Robert Jérôme

Quinone transfer radical polymerization (QTRP) of styrene: Catalysis by different metal complexes (2005)

Conférence donnée à l'école de pharamacie dans le cadre du programme Socrates Intensive 29240-IC-2002 -1-IT-Erasmus IPUC-1 2nd edition

Caille, Jean-Raphaël, Debuigne, Antoine, Jérôme, Robert

Styrene has been polymerized by a Quinone Transfer Radical Polymerization (QTRP) based on the redox reaction of an ortho-quinone and a metal catalyst. Several metal acetylacetonates have been tested...

Polymerization of (L,L)-lactide and copolymerization with epsilon-caprolactone initiated by dibutyltin dimethoxide in supercritical carbon dioxide (2005)

Polymerization of (L,L)-lactide and copolymerization with epsilon-caprolactone initiated by dibutyltin dimethoxide in supercritical carbon dioxide (2005)

Ring-opening polymerization (ROP) of (L,L)-lactide (LA) has been initiated by dibutyltin dimethoxide in supercritical carbon dioxide (SC CO2). Polymerization is controlled and proceeds at quasi the...

Synthesis of end-functional poly(vinyl acetate) by cobalt-mediated radical polymerization (2005)

Ring-opening polymerization (ROP) of (L,L)-lactide (LA) has been initiated by dibutyltin dimethoxide in supercritical carbon dioxide (SC CO2). Polymerization is controlled and proceeds at quasi the...

Debuigne, Antoine, Caille, Jean-Raphaël, Jérôme, Robert

Poly(vinyl acetate) (PVAc) chains prepared by cobalt-mediated radical polymerization in the presence of cobalt(II) acetylacetonate (Co(acac)(2)) were quenched by radical scavengers, such as thiol...

Sequential electrografting and ring opening metathesis polymerization: a strategy for the tailoring of conductive surfaces (2005)

Voccia, Samuel, Claes, Michael, Jérôme, Robert, Jérôme, Christine

An electrografting technique has been combined with ring-opening metathesis polymerization (ROMP). Poly(allyl methacrylate) chains have been chemisorbed onto steel and carbon plates under an...

Synthesis of new substituted poly(ε-caprolactone)s by comination of ring-opening polymerization, atom transfer radical addition and click reaction (2005)

Lecomte, Philippe, Riva, Raphaël, Schmeits, Stephanie, Jérôme, Christine, Jérôme, Robert

Belgian Polymer Group (BPG) annual meeting 2005

Effective cobalt mediation of the radical polymerization of vinyl acetate in suspension (2005)

Debuigne, Antoine, Caille, Jean-Raphaël, Detrembleur, Christophe, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

New developments in the synthesis of aliphatic polyesters by ring-opening polymerisation (2005)

Jérôme, Robert, Lecomte, Philippe

Center for Education and Research on Macromolecules (CERM)

Wetting of bioactive glass surfaces by poly(alpha-hydroxyacid) melts: interaction between Bioglass (R) and biodegradable polymers (2005)

Blaker, Jonny J., Maquet, Véronique, Boccaccini, Aldo R., Jérôme, Robert, Bismarck, Alexander

The interfacial characteristics between bioactive glass (4555 Bioglass(R)) surfaces and poly(alpha-hydroxyacid) melts have been assessed by direct wetting measurements. In particular, the wettability...

Block balance in hydrogenated polybutadiene-b-polymethylmethacrylate diblock copolymer for efficient interfacial activity in low-density polyethylene/polymethylmethacrylate blend: Phase morphology development (2005)

Harrats, Charef, Jérôme, Robert

The objective of the present study was to determine the best molecular balance between the two hydrogenated polybutadiene (HPB) and polymethylmethacrylate (PMMA) blocks that promotes an HPB-b-PMMA...

Adsorption of poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers at the silica-water interface (2005)

Vangeyte, Patrick, Leyh, Bernard, Rojas, O J, Claesson, P M, Heinrich, M, Auvray, Loïc, ...

The adsorption of amphiphilic poly(ethylene oxide)-b-poly(epsilon-caprolactone) and poly(ethylene oxide)-b-poly(gamma-methyl-epsilon-caprolactone) copolymers in aqueous solution on silica and glass...

Stretching calorimetry studies of poly(epsilon-caprolactone)/organoclay nanocomposites (2005)

Karaman, Vitaly M, Privalko, Eleonora G, Valery, P Privalko, Kubies, Dana, Puffr, Rudolf, Jérôme, Robert

Poly(epsilon-caprolactone)/montmorillonite nanocomposites, prepared by bulk ring-opening polymerization of epsilon-caprolactone in the presence of tin(II) 2-ethylhexanoate as a catalyst and hydroxy...

Highly efficient cobalt-mediated radical polymerization of vinyl acetate (2005)

Debuigne, Antoine, Caille, Jean-Raphaël, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Preparation, characterization and in vitro release properties of ibuprofen-loaded microspheres based on polylactide, poly(epsilon-caprolactone) and their copolymers (2005)

Zhu, K J, Li, Y, Jiang, H L, Yasuda, H, Ichimaru, A, Yamamoto, K, ...

In this paper, ibuprofen was encapsulated into microspheres by oil-in-water (o/w) emulsion solvent evaporation method. Biodegradable polymers with certain compositions and characteristics such as...

Normal and shear forces between a polyelectrolyte brush and a solid surface (2005)

Kampf, Nir, Gohy, Jean-François, Jérôme, Robert, Klein, Jacob

The diblock copolymer poly(methyl methacrylate)-b-poly(sodium sulfonated glycidyl methacrylate) (PMMA-b-PSGMA) was end-attached by its hydrophobic block (PMMA) onto mica hydrophobized by a stearic...

Versatile functionalization and grafting of poly(epsilon-caprolactone) by Michael-type addition (2005)

Rieger, Jutta, Van Butsele, Kathy, Lecomte, Philippe, Detrembleur, Christophe, Jérôme, Robert, Jérôme, Christine

The Michael-type addition of aliphatic (co)polyesters onto gamma-acryloyloxy epsilon-caprolactone units is a very straightforward technique of functionalization and grafting, which is tolerant to a...

Controlled radical polymerization of styrene by quinone transfer radical polymerization (QTRP) (2005)

Caille, Jean-Raphaël, Debuigne, Antoine, Jérôme, Robert

Radical polymerization of styrene falls under control when conducted at 100 degreesC, in the presence of an ortho-quinone, e.g., phenanthrenequinone (PhQ): and a catalytic amount of cobalt(II)...

Stress-strain behavior of low-density polyethylene/poly(methyl methacrylate) blends with modulated interfaces with a hydrogenated polybutadiene-block-poly(methyl methacrylate) diblock copolymer (2005)

Harrats, Charef, Benabdallah, T, Groeninckx, Gabriel, Jérôme, Robert

The stress-strain diagrams and ultimate tensile properties of uncompatibilized and compatibilized hydrogenated polybutadiene-block-poly(methyl methacrylate) (HPB-b-PMMA) blends with 20 wt %...

Polymer layered silicate/carbon nanotube nanocomposites : Morphological and rheological properties (2005)

Peeterbroeck, Sophie, Alexandre, Michaël, Nagy, Janos B, Moreau, N, Destrée, A, Monteverde, F, ...

Morphological and rheological properties of new ternary nanocomposites based on ethylene vinyl acetate copolymers (EVA), commercial organo-modified clays (organoclays) and purified multi-walled...

Preparation and characterisation of poly(lactide-co-glycolide) (PLGA) and PLGA/Bioglass((R)) composite tubular foam scaffolds for tissue engineering applications (2005)

Boccaccini, Aldo R., Blaker, Jonny J., Maquet, Véronique, Day, RM, Jérôme, Robert

Polylactide-co-glycolide (PLGA) and PLGA/Bioglass(R) foams of tubular shape have been prepared with a 1 wt% 45S5 Bioglass(R) content. Porous membranes with varying thickness and porosity were...

Comparison of Sm complexes with Sn compounds for syntheses of copolymers composed of lactide and cyclic carbonates and their biodegradabilities (2005)

Nakayama, Yuushou, Yasuda, Hajime, Yamamoto, Katsuhiro, Tsutsumi, Chikara, Jérôme, Robert, Lecomte, Philippe

The comparison of organolanthanide complexes, (C5Me5)(2)SmMe(THF) (Sm1) and [(C5Me5)(2)SM](2)(PhC=C=C=CPh) (Sm2), with tin compounds, Bu2Sn(OMe), (Sn1) and Bu2Sn(OCH2CH2CH2O) (Sn2), in the...

Controlled radical polymerization of vinyl acetate based on cobalt(II) acetyl acetonate (2005)

Debuigne, Antoine, Detrembleur, Christophe, Caille, Jean-Raphaël, Momtaz, Ardechir, Jérôme, Robert

Controlled radical polymerization (CRP) is a valuable strategy to design a large range of polymers with well defined molecular characteristics under non very demanding conditions. However, the known...

Lactone end-capped poly(ethylene oxide) as a new building block for biomaterials (2004)

Rieger, Jutta, Bernaerts, Katrien V., Du Prez, Filip E, Jérôme, Robert, Jérôme, Christine

This paper reports on the synthesis of a novel poly(ethylene oxide) (PEO) macromonomer, which can be copolymerized with epsilon-caprolactone (epsilon-CL) by ring-opening polymerization (ROP). PEO...

Surface modification of multiwalled carbon nanotubes by poly(2-vinylpyridine): Dispersion, selective deposition, and decoration of the nanotubes (2004)

Lou, Xudong, Detrembleur, Christophe, Pagnoulle, Christophe, Jérôme, Robert, Bocharova, Vera, Kiriy, Anton, ...

Polymer modification of carbon nanotubes is accomplished using a grafting-to approach. Radicals formed by the thermolysis of poly(2-vinylpyridine) terminated with a radical-stabilizing nitroxide can...

Self-association of double-hydrophilic copolymers of acrylic acid and poly(ethylene oxide) macromonomer (2004)

Khousakoun, Eric, Gohy, Jean-François, Jérôme, Robert

Poly(ethylene oxide) (PEO) end-capped by a methacrylate unsaturation was copolymerized with acrylic acid by RAFT with dibenzyltrithiocarbonate as a chain transfer agent. Tapered triblock copolymers...

Synthesis of copolymer brushes endowed with adhesion to stainless steel surfaces and antibacterial properties by controlled nitroxide-mediated radical polymerization (2004)

Ignatova, Miléna, Voccia, Samuel, Gilbert, Bernard, Markova, Nadya, Mercuri, Paola Sandra, Galleni, Moreno, ...

Novel copolymer brushes have been synthesized by a two-step "grafting from" method that consists of the electrografting of poly(2-phenyl-2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-ethylacrylate) onto...

Preparation of poly(epsilon-caprolactone) brushes at the surface of conducting substrates (2004)

Voccia, Samuel, Bech, Loïc, Gilbert, Bernard, Jérôme, Robert, Jérôme, Christine

This paper reports on the preparation of polyester brushes at the surface of electrically conducting materials. A two-step strategy has been worked out that consists of the electropolymerization of...

Solid-state NMR study of intercalated species in poly(epsilon-caprolactone)/clay nanocomposites (2004)

Hrobarikova, J, Robert, JL, Calberg, Cédric, Jérôme, Robert, Grandjean, Jean

The structure and dynamics of surfactant and polymer chains in intercalated poly(epsilon-caprolactone)/clay nanocomposites are characterized by (31)P magic-angle spinning (MAS) and (13)C...

Synthesis of pyrene-containing polymers and noncovalent sidewall functionalization of multiwalled carbon nanotubes (2004)

Lou, Xudong, Daussin, Raphaël, Cuenot, Stéphane, Duwez, Anne-Sophie, Pagnoulle, Christophe, Detrembleur, Christophe, ...

Pyrene-containing polymers have been prepared for noncovalent sidewall functionalization of multiwalled carbon nanotubes (MWNTs). (1-Pyrene)methyl 2-methyl-2-propenoate (PyM-MP) has been synthesized...

Mixed self-assembly of poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers and sodium dodecyl sulfate in aqueous solution (2004)

Vangeyte, Patrick, Leyh, Bernard, Auvray, L, Grandjean, Jean, Misselyn-Bauduin, Anne-Marie, Jérôme, Robert

Interaction of amphiphilic poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers with anionic sodium dodecyl sulfate (SDS) has been investigated in aqueous solution. Formation of mixed...

Electrodeposition of mixed adherent thin films of poly(ethyl acrylate) and polyacrylonitrile onto nickel (2004)

Baute, Noëlle, Geskin, Victor M, Lazzaroni, Roberto, Brédas, Jean-Luc, Arys, Xavier, Jonas, Alain M, ...

Adherent thin polymer films have been prepared by sequential electrodeposition of ethyl acrylate (EA) and acrylonitrile (AN) onto nickel. Their composition has been studied by IR spectroscopy and...

Contribution of supercritical CO2 to the preparation of aliphatic polyesters and materials thereof (2004)

Role of polylelectrolyte charge density in tuning colloidal forces (2004)

This paper is a short review of the most recent achievments of CERM in the synthesis of poly (ε-caprolactone) (PCL) and polylactides (PLA) in supercritical carbon dioxide (sc CO2) In addition to the...

Abraham, T, Christendat, D, Xu, Z, Masliyah, J, Gohy, Jean-François, Jérôme, Robert

An atomic force microscope was used to study the effects of polymer charge density on surface interactions between similarly charged silica surfaces. Copolymers of acrylamide and acrylic acid of...

Self-assembly of poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers in aqueous solution (2004)

Vangeyte, Pattrick, Leyh, Bernard, Heinrich, M, Grandjean, Jean, Bourgaux, C, Jérôme, Robert

The associative behavior of monodisperse diblock copolymers consisting of a hydrophilic poly(ethylene oxide) block and a hydrophobic poly(epsilon-caprolactone) or...

Segregation of coronal chains in micelles formed by supramolecular interactions (2004)

Gohy, Jean-François, Khousakoun, Eric, Willet, Nicolas, Varshney, Sunil K, Jérôme, Robert

Spherical micelles have been formed by mixing, in DMF, a poly(styrene)-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) (PS-block-P2VP-block-PEO) triblock copolymer with either poly(acrylic...

Comparison of Sm complexes with Sn compounds for syntheses of copolymers composed of lactide and cyclic carbonates and their biodegradabilities (2004)

Yasuda, Hajime, Yamamoto, Katsuhiro, Nakayama, Yuushou, Tsutsumi, Chikara, Lecomte, Philippe, Jérôme, Robert, ...

The comparison of organolanthanide complexes, (C5Me5)(2)SmMe(THF) (Sm1) and [(C5Me5)(2)SM](2)(PhC=C= C=CPh) (Sm2), with tin compounds, Bu2Sn(OMe)(2) (Sn1) and Bu2Sn(OCH2CH2CH2O) (Sn2), in the...

Grafting of alkoxyamine end-capped (co)polymers onto multi-walled carbon nanotubes (2004)

Lou, Xudong, Detrembleur, Christophe, Sciannamea, Valérie, Pagnoulle, Christophe, Jérôme, Robert

Multi-walled carbon nanotubes (MWNTs) have been successfully modified by polystyrene, poly(epsilon-caprolactone), and their block copolymers by addition reaction of the alkoxyamine-terminated...

About the methods of preparation of poly(ethylene oxide)-b-poly(epsilon-caprolactone) nanoparticles in water. Analysis by dynamic light scattering (2004)

Vangeyte, Patrick, Gautier, Sandrine, Jérôme, Robert

Self-assembly of nonionic amphiphilic poly(ethylene oxide)-b-poly(ε-caprolactone) (PEO-b-PCL) and poly(ethylene oxide)-b-poly(γ-methyl-ε-caprolactone) (PEO-b-PMCL) has been studied in water by...

Recent developments in the ring-opening polymerization of epsilon-caprolactone and derivatives initiated by tin(IV) alkoxides (2004)

Lecomte, Philippe, Stassin, Fabrice, Jérôme, Robert

International Symposium on Ionic Polymerization and Related Processes 2003

Porous poly(α-hydroxyacid)/Bioglass® composite scaffolds for bone tissue engineering. I: preparation and in vitro characterisation (2004)

Maquet, Véronique, Boccaccini, Aldo R., Pravata, Laurent, Nothinger, I, Jérôme, Robert

Highly porous composites scaffolds of poly-D,L-lactide (PDLLA) and poly(lactide-co-glycolide) (PLGA) containing different amounts (10, 25 and 50wt%) of bioactive glass (45S5 bioglass®) were prepared...

Ring opening polymerization (2004)

Formation of polyamide 12-polyisoprene core-shell particles in polystyrene by reactive blending (2004)

Center for Education and Research on Macromolecules (CERM)

Koulic, Christian, François, G, Jérôme, Robert

Polyamide 12 (PA12)-polyisoprene (PIP) particles with a thermoplastic core and a rubbery shell have been prepared in a thermoplastic matrix (PS) by reactive blending. For this purpose, an...

Formation of polyamide 12-polyisoprene core-shell particles in polystyrene by reactive blending (2004)

Koulic, Christian, François, G, Jérôme, Robert

Polyamide 12 (PA12)-polyisoprene (PIP) particles with a thermoplastic core and a rubbery shell have been prepared in a thermoplastic matrix (PS) by reactive blending. For this purpose, an...

Recent progress in the macromolecular engineering of aliphatic polyesters (2004)

Jérôme, Robert, Li, Haiying, Rieger, Jutta, Riva, Raphaël, Jérôme, Christine, Lecomte, Philippe

International Symposium on Macromolecules, World Polymer Congress MACRO 2004

Recent progress in the macromolecular engineering of aliphatic polyesters (2004)

Jérôme, Robert, Li, Haiying, Rieger, Jutta, Riva, Raphaël, Jérôme, Christine, Lecomte, Philippe

International Symposium on Macromolecules, World Polymer Congress MACRO 2004

Morphology of core-shell-corona aqueous micelles: 11. Addition of core-forming homopolymer (2004)

Lei, Liangcai C, Gohy, Jean-François, Willet, Nicolas, Zhang, Jian-Xin, Varshney, Sunil, Jérôme, Robert

The poly(styrene)-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) triblock copolymer PS200-b-P2VP(140)-b-PEO590, where the subscripts refer to the number average degrees of polymerization,...

Ring-opening polymerization of alpha-chloro-epsilon-caprolactone and chemical modification of poly(alpha-chloro-epsilon-caprolactone) by atom transfer radical processes (2004)

Lenoir, Sandrine, Riva, Raphaël, Lou, Xudong, Detrembleur, Christophe, Jérôme, Robert, Lecomte, Philippe

A highly versatile strategy was implemented in order to attach a range of polymer grafts and functional groups along the backbone of poly(epsilon-caprolactone). alpha-Chloro-epsilon-caprolactone...

In vivo characterisation of a novel bioresorbable poly(lactide-co-glycolide) tubular foam scaffold for tissue engineering applications (2004)

Day, Richard M, Boccaccini, Aldo R., Maquet, Véronique, Shurey, Sandra, Forbes, Alastair, Gabe, Simon M, ...

Polylactide-co-glycolide (PLGA) foams of tubular shape were assessed for their use as soft-tissue engineering scaffolds in vitro and in vivo. Porous membranes were fabricated by a thermally induced...

Functionalization of multi-walled carbon nanotubes by electrografting of polyacrylonitrile (2004)

Petrov, Petar, Lou, Xudong, Pagnoulle, Christophe, Jérôme, Christine, Calberg, Cédric, Jérôme, Robert

As a result of their unique architecture and remarkable mechanical and electrical properties[1,2] carbon nanotubes (CNTs)[3] have great potential that remains, however, un-exploited because of poor...

Nanostructured polyamide by reactive blending. 1. Effect of the reactive diblock composition (2004)

Koulic, Christian, Jérôme, Robert

Reactive blending of phthalic anhydride end-capped polystyrene-b-polyisoprene diblock (PS-b-PIP-anh) with 80 wt % of polyamide 12 (PA12) results in the very rapid formation of a PS-b-PIP-b-PA...

Texture characterisation of foams based on poly(e-caprolactone) - clay nanocomposites by image analysis of X-ray microtomography and mercury porosimetry (2004)

Blacher, Silvia, Stassin, F., Léonard, Angélique, Pirard, René, Crine, Michel, Jérôme, Robert, ...

8th International Conference on Fundamentals of Adsorption

Electrochemical formation of polypyrrole nanowires (2004)

Jérôme, Christine, Labaye, David, Jérôme, Robert

This paper aims at approaching the mechanism of formation of polypyrrole (PPy) nanowires by an all-electrochemical process, which consists in electrografting a poly(alkylacrylate) film onto the...

Nafion-layered silicate nanocomposite membrane for fuel cell application (2004)

Thomassin, Jean-Michel, Pagnoulle, Christophe, Bizzari, Didier, Caldarella, Giuseppe, Germain, Albert, Jérôme, Robert

Direct methanol fuel cells (DMFCs) using a proton exchange membrane as electrolyte is an attractive option for electricity generation. The most widely used membrane in the DMFC system is based on a...

Freeze-dried poly(D,L-lactic acid) macroporous guidance scaffolds impregnated with brain-derived neurotrophic factor in the transected adult rat thoracic spinal cord (2004)

Patist, Carla M, Borgerhoff Mulder, Masha, Gautier, Sandrine, Maquet, Véronique, Jérôme, Robert, Oudega, Martin

The effects of poly(D,L-lactic acid) macroporous guidance scaffolds (foams) with or without brain-derived neurotrophic factor (BDNF) on tissue sparing, neuronal survival, axonal regeneration, and...

Structure and dynamics of cationic surfactants intercalated in synthetic clays (2004)

Müller, Robert, Hrobarikova, Jana, Calberg, Cédric, Jérôme, Robert, Grandjean, Jean

Center for Education and Research on Macromolecules (CERM)

Silica reinforced triblock copolymer gels (2004)

Theunissen, E, Overbergh, N, Reynaers, H, Antoun, Said, Jérôme, Robert, Mortensen, K

The effect of silica and polymer coated silica particles as reinforcing agents on the structural and mechanical properties of polystyrene-poly(ethylene/butylene)-polystyrene (PS-PEB-PS) triblock gel...

PLA-coated gold nanoparticles for the labeling of PLA biocarriers (2004)

Qiu, Hongjin, Rieger, Jutta, Gilbert, Bernard, Jérôme, Robert, Jérôme, Christine

POly-DL-lactide end-capped by a protected thiol was synthesized by bulk ring-opening polymerization (ROP) of DL-lactide initiated by the reaction product of aluminum isopropoxide [Al (iOPr) (3)] with...

Solid-state NMR study of poly(epsilon-caprolactone)/clay nanocomposites (2004)

Calberg, Cédric, Jérôme, Robert, Grandjean, Jean

Center for Education and Research on Macromolecules (CERM)

Amphiphilic block copolymers of high-molecular-weight poly(ethylene oxide) and either epsilon-caprolactone or gamma-methyl-epsilon-caprolactone: Synthesis and characterization (2004)

Vangeyte, Patrick, Jérôme, Robert

Ethylene oxide (EO) has been block-polymerized with both epsilon-caprolactone (epsilon-CL) and gamma-methyl-epsilon-caprolactone (MCL) through the combination of the anionic polymerization of EO and...

Influence of substrate hydrophobicity on the adsorption of an amphiphilic diblock copolymer (2004)

De Cupere, VM, Gohy, Jean-François, Jérôme, Robert, Rouxhet, PG

The adsorption of poly(tert-butylmethacrylate)-block-poly(2-(dimethylamino-ethyl) methacrylate) (PtBUMA-b-PDMAEMA) was studied by X-ray photoelectron spectroscopy (XPS) and atomic force microscopy...

Tuning of the morphology of core-shell-corona micelles in water. I. Transition from sphere to cylinder (2004)

Lei, Liangcai, Gohy, Jean-François, Willet, Nicolas, Zhang, Jian-Xin, Varshney, Sunil, Jérôme, Robert

Poly(styrene)-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) (PS-b-P2VP-b-PEO) ABC triblock copolymers commonly form core-shell-corona (CSC) micelles in water. These micelles consist of a PS...

Nanostructured PMMA: from lamellar sheets to double-layered vesicles (2004)

Koulic, Christian, Jérôme, Robert

PMMA was nanostructured by similar to100 nm liposome-like vesicular objects by melt blending with 20 wt % of a symmetric poly(styrene)-b-poly(isoprene)-b-poly(methyl methacrylate) (PS-b-PIP-b-PMMA)...

Electrografting of polymers onto AFM tips: A novel approach for chemical force microscopy and force spectroscopy (2004)

Jérôme, Christine, Willet, Nicolas, Jérôme, Robert, Duwez, Anne-Sophie

Polymer-modified AFM tips have been prepared through an easily implemented and versatile electrochemical method (see graphic). The authors describe the electropolymerization process of acrylic-based...

Nanostructured polyamide by reactive blending. 2. Transition from nanovesicles to cucumber-like core-shell nanoobjects (2004)

Koulic, Christian, Jérôme, Robert

Polyamide 12 (PA 12) has been nanostructured by reactive blending with 20 wt% of a symmetric anhydride end-capped polystyrene-b-polyisoprene (PS-b-PIP-anh) The liposome-like nanovesicles which are...

Self-assembling of poly(-caprolactone)-b-poly(ethylene oxide) diblock copolymers in aqueous solution and at the silica–water interface (2004)

Leyh, Bernard, Vangeyte, Patrick, Heinrich, M, Auvray, L, De Clercq, C, Jérôme, Robert

Third European Conference on Neutron Scattering

Alignment of glial cells stimulates directional neurite growth of cns neurons in vitro (2004)

Deumens, R, Koopmans, GC, Den Bakker, CGJ, Maquet, V, Blacher, Silvia, Honig, WMM, ...

Olfactory ensheathing cells (OECs) together with olfactory nerve fibroblasts (ONFs) and neonatal astrocytes are potent stimulators of neurite growth in adulthood and during development, respectively....

Noncovalent functionalization of multi-walled carbon nanotubes by pyrene containing polymers (2003)

Petrov, Petar, Stassin, Fabrice, Pagnoulle, Christophe, Jérôme, Robert

Multi-walled carbon nanotubes (MWNTs) have been solubilized in water and in various organic solvents by noncovalent side-wall functionalization by pyrene containing polymers.

The influence of an acid-base-equilibrium on the adsorption behaviour of a weak polyampholyte (2003)

Mahltig, Boris, Jérôme, Robert, Stamm, Manfred

A weak diblock polyampholyte PMAA-b-PDMAEMA, poly(methacrylic acid)-block-poly((dimethylamino)ethyl methacrylate), was investigated as a model system for the influence of an acid-base-equilibrium of...

Immobilization of silver in polypyrrole/polyanion composite coatings: Preparation, characterization, and antibacterial activity (2003)

Ignatova, Milena, Labaye, David, Lenoir, Sandrine, Strivay, David, Jérôme, Robert, Jérôme, Christine

Thin films of polypyrrole doped by polyanions have been deposited onto stainless steel and carbon fibers by anodic electropolymerization of pyrrole in the presence of an anionic polyelectrolyte in...

Preparation of reactive surfaces by electrografting (2003)

Jérôme, Christine, Gabriel, Sabine, Voccia, Samuel, Detrembleur, Christophe, Ignatova, Miléna, Gouttebaron, Rachel, ...

The electrografting process has been applied to a new monomer in order to induce reactivity to the surface of various conducting substrates which are then appropriate for the anchoring of a large...

Polymerization of epsilon-caprolactone initiated by Y alkoxide grafted onto porous silica (2003)

Lubrication by charged polymers (2003)

Ring-opening polymerization of c-caprolactone has been initiated by Y isopropoxide grafted onto silica, in the presence of 2-propanol, in toluene at 40degreesC. The degree of polymerization is...

Raviv, Uri, Giasson, Suzanne, Kampf, Nir, Gohy, Jean-François, Jérôme, Robert, Klein, Jacob

Long-ranged forces between surfaces in a liquid control effects from colloid stability [1] to biolubrication [2], and can be modified either by steric factors due to flexible polymers [3], or by...

Polymer coating of steel by a combination of electrografting and atom-transfer radical polymerization (2003)

Claes, Michaël, Voccia, Samuel, Detrembleur, Christophe, Jérôme, Christine, Gilbert, Bernard, Leclère, Philippe, ...

Cathodic electrografting of poly(2-chloropropionate ethyl acrylate) (poly[cPEA]) onto steel followed by the styrene grafting-from by atom transfer radical polymerization (ATRP) is an efficient...

In situ formation of yttrium alkoxides: A versatile and efficient catalyst for the ROP of epsilon-caprolactone (2003)

Preparation, characterization, and in vitro degradation of bioresorbable and bioactive composites based on Bioglass (R)-filled polylactide foams (2003)

[Tris(hexamethyldisilyl)amide] yttrium is a catalyst for the controlled ring-opening polymerization of epsilon-caprolactone when reacted with an excess of alcohol. Up to an alcohol-to-yttrium molar...

Maquet, Véronique, Boccaccini, Aldo R., Pravata, Laurent, Nothinger, I, Jérôme, Robert

Highly porous poly(D,L-lactide)/Bioglass composites scaffolds were prepared by thermally induced phase separation process of polymer solutions and subsequent solvent sublimation. A series of...

Preparation of macroporous biodegradable poly(L-lactide-co-epsilon-caprolactone) foams and characterization by mercury intrusion porosimetry, image analysis, and impedancy spectroscopy (2003)

Maquet, Véronique, Blacher, Silvia, Pirard, René, Pirard, Jean-Paul, Vyakarnam, MN, Jérôme, Robert

Two poly(L-lactide-co-epsilon-caprolactone) random copolymers containing 5 and 40 mol% of epsilon-CL, namely P(LA-co-CL5) and P(LA-co-CL40), respectively, have been made macroporous by freeze-drying...

Dependence of the interfacial reaction and morphology development on the functionality of the reactive precursors in reactive blending (2003)

Yin, Zhihui, Koulic, Christian, Pagnoulle, Christophe, Jérôme, Robert

PMMA containing 50 wt% of anthracene-labeled PMMA chains end-capped by a phthalic anhydride group (anth-PMMA-anh) has been melt blended at 180°C with PS containing 33 wt% of chains end-capped by an...

Dependence of the interfacial reaction and morphology development on the functionality of the reactive precursors in reactive blending (2003)

Yin, Zhihui, Koulic, Christian, Pagnoulle, Christophe, Jérôme, Robert

PMMA containing 50 wt% of anthracene-labeled PMMA chains end-capped by a phthalic anhydride group (anth-PMMA-anh) has been melt blended at 180°C with PS containing 33 wt% of chains end-capped by an...

Reactively and physically compatibilized immiscible polymer blends: Stability of the copolymer at the interface (2003)

Harrats, Charef, Dedecker, Kristof, Groeninckx, Gabriel, Jérôme, Robert

This paper reports on the interfacial behaviour' of block and graft copolymers used as compatibilizers in immiscible polymer blends. A limited residence time of the copolymer at the interface has...

Reversible chemical patterning on stimuli-responsive polymer film: Environment-responsive lithography (2003)

Ionov, Leonid, Minko, Sergiy, Stamm, Manfred, Gohy, Jean-François, Jérôme, Robert, Scholl, Andreas

We report on a novel type of chemical patterning based on thin stimuli-responsive polymer films. The basic concept is the permanent storage (writing) of a pattern, which is reversibly developed and...

Recent progress in ring-opening of ε-caprolactone and derivatives (2003)

2-oxepane-1,5-dione: a precursor of a novel class of versatile semicrystalline biodegradable (co)-polyesters (2003)

16th International Symposium on Ionic Polymerization (IP 2003)

Lecomte, Philippe, Latere Dwan'Isa, Jean-Pierre, Dubois, Philippe, Jérôme, Robert

16th International Symposium on Ionic Polymerization (IP 2003)

Controlled radical polymerization of alkyl methacrylates in the presence of NO/NO2 mixtures (2003)

Detrembleur, Christophe, Claes, Michaël, Jérôme, Robert

Radical polymerization of alkyl methacrylates initiated by AIBN is controlled when conducted in the presence of a mixture of NO/NO2. Reaction of alkyl methacrylates with NO/NO2 leads indeed to the...

Hydrolytic and thermal degradation of random copolyesters of epsilon-caprolactone and 2-oxepane-1,5-dione (2003)

Dwan'Isa Latere, Jean-Pierre, Lecomte, Philippe, Dubois, Philippe, Jérôme, Robert

The hydrolytic and thermal stability of random copolyesters of epsilon-caprolactone (epsilon-CL) and ca. 30 mol-% 2-oxepane-1,5-dione (OPD) have been investigated. Compared with...

Exfoliated polylactide/clay nanocomposites by in-situ coordination-insertion polymerization (2003)

Paul, Marie-Amélie, Alexandre, Michaël, Degée, Philippe, Calberg, Cédric, Jérôme, Robert, Dubois, Philippe

Poly(L-lactide)/layered aluminosilicate nanocomposites were synthesized in bulk by ring-opening polymerization in the presence of two organo-modified montmorillonites. When the organo-modifier...

Desorption behaviour of regular adsorbed polyampholytic layers (2003)

Mahltig, Boris, Gohy, Jean-François, Jérôme, Robert, Pfuetze, G, Stamm, Manfred

The desorption behaviour of the diblock polyampholyte PMAA-b-PDMAEMA, poly(methacrylic acid)-block-poly ((dimethylamino)ethyl methacrylate), preadsorbed on silicon substrates was investigated under...

Synthesis of macrocyclic polyesters (2003)

2-oxepane-1,5-dione: a precursor of a novel class of versatile semicrystalline biodegradable (co)-polyesters (2003)

Symposium "Recent Progress in Macromolecular Chemistry"

Latere Dwan'Isa, Jean-Pierre, Lecomte, Philippe, Dubois, Philippe, Jérôme, Robert

Symposium "Recent Progress in Macromolecular Chemistry"

Bioresorbable and bioactive composite materials based on polylactide foams filled with and coated by Bioglass (R) particles for tissue engineering applications (2003)

Boccaccini, Aldo R., Notingher, I, Maquet, Véronique, Jérôme, Robert

Poly(DL-lactide) (PDLLA) foams and bioactive glass (Bioglass®) particles were used to form bioresorbable and bioactive composite scaffolds for applications in bone tissue engineering. A thermally...

Synthesis and characterization of random copolyesters of epsilon-caprolactone and 2-oxepane-1,5-dione (2003)

Latere Dwan'Isa, Jean-Pierre, Lecomte, Philippe, Dubois, Philippe, Jérôme, Robert

2-Oxepane-1,5-dione (OPD) has been synthesized by the Baeyer-Villiger oxidation of 1,4-cyclohexanedione and copolymerized with epsilon-caprolactone. This random copolymerization has been initiated by...

Self-organization of water-soluble complexes of a poly(2-vinylpyridinium)-block-poly(ethylene oxide) diblock with fluorinated anionic surfactants (2003)

Gohy, Jean-François, Mores, Sandrine, Varshney, Sunil K, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Complexation of uranyl ions by polypyrrole doped by sulfonated and phosphonated polyethyleneimine (2003)

Leroy, D, Martinot, Lucien, Mignonsin, P, Strivay, David, Weber, Georges, Jérôme, Christine, ...

Branched polyethyleneimine (PEI) was sulfonated by reaction with chloropropanesulfonylchloride and phosphonated by reaction with phosphorous acid and formaldehyde. The accordingly formed polyanions...

Polymerization-filled composites and nanocomposites by coordination catalysis (2003)

Dubois, Philippe, Alexandre, Michaël, Jérôme, Robert

Polyolefinic microcomposites and layered silicate nanocomposites were prepared by the in-situ polymerization of ethylene (and alpha-olefin) via the so-called polymerization-filling technique. Various...

Image analysis of the axonal ingrowth into poly(D,L-lactide) porous scaffolds in relation to the 3-D porous structure (2003)

Blacher, Silvia, Maquet, Véronique, Luyckx, Françoise, Martin, Didier, Schoenen, Jean, Moonen, Gustave, ...

Porous polymer scaffolds are promising materials for neural tissue engineering because they offer valuable three-dimensional (3D) supports for the in vitro and in vivo axonal growth and tissue...

Polymer/layered silicate nanocomposites by combined intercalative polymerization and melt intercalation: a masterbatch process (2003)

Lepoittevin, Bénédicte, Pantoustier, Nadège, Devalckenaere, Myriam, Alexandre, Michaël, Calberg, Cédric, Jérôme, Robert, ...

Poly(ε-caprolactone) (PCL) and poly(vinyl chloride) (PVC) layered silicate nanocomposites were prepared by combination of intercalative polymerization and melt intercalation. In a first step, high...

Controlled free radical polymerization of styrene initiated from alkoxyamine attached to polyacrylate chemisorbed onto conducting surfaces (2003)

Voccia, Samuël, Jérôme, Christine, Detrembleur, Christophe, Leclère, Philippe, Gouttebaron, Rachel, Hecq, Michel, ...

A new inimer that associates an alkoxyamine, which is an initiator/mediator in nitroxide mediated radical polymerization (NMP), and a polymerizable acrylate has been synthesized and used in a...

An energy transfer study of homopolymer localization in block copolymers (2003)

Rharbi, Yahya, Zhang, Jian-Xin, Spiro, John G, Chen, Liusheng, Winnik, Mitchell A, Vavasour, JD, ...

We have investigated the localization of homopolystyrene (hPS) in its blends with poly(styrene-b-butyl methacrylate) (PS-b-PBMA), at 140 degreesC, measuring the quantum efficiency of direct energy...

Novel aliphatic polyesters based on functional cyclic (di)esters (2003)

Lou, Xudong, Detrembleur, Christophe, Jérôme, Robert

Recent progress in the chemical synthesis of novel aliphatic polyesters via ring-opening polymerization of functional cyclic (di)esters are reviewed in this article. Syntheses of these functional...

Preparation of supported yttrium alkoxides as catalysts for the polymerization of lactones and oxirane (2003)

Determination of polyisoprene-block-poly(methyl methacrylate) domain sizes using 1H spin diffusion (2003)

Two methods have been reported that allow yttrium alkoxides to be supported on porous silica and to be used afterward as heterogeneous catalysts in the ring-opening polymerization of oxirane and...

Werkhoven, Thekla M, Mulder, Fokko M, Zune, Catherine, Jérôme, Robert, De Groot, Huub JM

The microphase structure of polyisoprene-block-poly(methyl methacrylate) diblock copolymers was studied using solid-state NMR techniques. Wideline separation spectroscopy reveals a narrow interphase...

Probing of the reaction progress at a PMMA/PS interface by using anthracene-labeled reactive PS chains (2003)

Yin, Zhihui, Koulic, Christian, Pagnoulle, Christophe, Jérôme, Robert

The progress of the interfacial reaction of polystyrene chains end-capped by a primary amine (PS-NH2) and PMMA chains end-capped by an anhydride (PMMA-anh) has been monitored by SEC-UV, by using...

Amphiphilic copolymers of epsilon-caprolactone and gamma-substituted epsilon-caprolactone. Synthesis and functionalization of poly(D,L-lactide) nanoparticles (2003)

Gautier, Sandrine, D'Aloia, Violetta, Halleux, Olivier, Mazza, Michaël, Lecomte, Philippe, Jérôme, Robert

Fully biodegradable and surface-functionalized poly(D,L-lactide) (PLA) nanoparticles have been prepared by a co-precipitation technique. Novel amphiphilic random copolyesters P(CL-co-gamma XCL) were...

Intercalative polymerization of cyclic esters in layered silicates : thermal vs. catalytic activation (2003)

Pantoustier, Nadège, Alexandre, Michaël, Degée, Philippe, Kubies, Dana, Jérôme, Robert, Henrist, Catherine, ...

Poly(ε-caprolactone) layered silicate nanocomposites were synthesized by in situ inter-calative ring-opening polymerization (ROP) of ε-caprolactone. The polymerization was promoted by thermal or...

Effect of pressure and temperature upon tin alkoxide-promoted ring-opening polymerisation of epsilon-caprolactone in supercritical carbon dioxide (2003)

The in situ formation of a new initiator system for the syndiotactic anionic polymerization of methyl methacrylate in toluene at 0°C (2002)

Ring-opening polymerisation of epsilon-caprolactone in supercritical carbon dioxide is slowed down by a carbonation reaction, resulting in a positive volume of activation and a higher energy of...

Zundel, Thomas, Teyssié, Philippe, Jérôme, Robert

This paper reports on an efficient 'in-situ' one pot synthesis of an initiatior/ligand adduct, which can be used to initiate the anionic polymerization of methyl methacrylate in toluene at 0 °C....

Novel bioresorbable and bioactive composites based on bioactive glass and polylactide foams for bone tissue engineering (2002)

Roether, JA, Gough, JE, Boccaccini, Aldo R., Hench, LL, Maquet, Véronique, Jérôme, Robert

Bioresorbable and bioactive tissue engineering scaffolds based on bioactive glass (45S5 Bioglass®) particles and macroporous poly(DL-lactide) (PDLLA) foams were fabricated. A slurry dipping...

Effect of molecular weight of the reactive precursors in melt reactive blending (2002)

Yin, Zhihui, Koulic, Christian, Jeon, HK, Pagnoulle, Christophe, Macosko, C W, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Poly(epsilon-caprolactone)/clay nanocomposites by in-situ intercalative polymerization catalyzed by dibutyltin dimethoxide (2002)

Lepoittevin, Bénédicte, Pantoustier, Nadège, Devalckenaere, Myriam, Alexandre, Michaël, Kubies, Dana, Calberg, Cédric, ...

Poly(epsilon-caprolactone)/clay nanocomposites were prepared by in-situ ring-opening polymerization of epsilon-caprolactone by using dibutyltin dimethoxide as an initiator/catalyst. A nonmodified...

Controlled synthesis of anthracene-labeled omega-amine polystyrene to be used as a probe for interfacial reaction with mutually reactive PMMA (2002)

Yin, Zhihui, Koulic, Christian, Pagnoulle, Christophe, Jérôme, Robert

Anthracene-labeled polystyrene (PS) end-capped by a primary amine has been synthesized by atom transfer radical copolymerization of styrene with 3-isopropenyl-alpha,alpha-dimethylbenzyl isocyanate...

2-oxepane-1,5-dione: A precursor of a novel class of versatile semicrystalline biodegradable (Co)polyesters (2002)

Latere, Jean-Pierre, Lecomte, Philippe, Dubois, Philippe, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Controlled nitroxide-mediated radical polymerization of styrene, styrene/acrylonitrile mixtures, and dienes using a nitrone (2002)

Detrembleur, Christophe, Sciannamea, Valérie, Koulic, Christian, Claes, Michaël, Hoebeke, Maryse, Jérôme, Robert

Radical polymerization of styrene and copolymerization of styrene and acrylonitrile (60/40) are controlled when conducted in the presence of N-tert-butyl-alpha-isopropylnitrone, which is easily...

Synthesis and compatibilization ability of hydrogenated polybutadiene-b-polyamide 6 diblock copolymer in low density polyethylene and polyamide 6 blends (2002)

Harrats, Charef, Fayt, R, Jérôme, Robert

This paper describes the synthesis of hydrogenated polybutadiene-b-polyamide 6 (HPB-b-PA6), a pure diblock copolymer, which consists of three main steps: synthesis of hydroxyl terminated...

Biodegradable polyester layered silicate nanocomposites based on poly(epsilon-caprolactone) (2002)

Pantoustier, Nadège, Lepoittevin, Bénédicte, Alexandre, Michaël, Kubies, Dana, Calberg, Cédric, Jérôme, Robert, ...

Nanocomposites based on biodegradable poly(epsilon-caprolactone) (PCL) and layered silicates (montmorillonite, MMT) were prepared either by melt intercalation with PCL or by in situ ring-opening...

Development and in vitro characterisation of novel bioresorbable and bioactive composite materials based on polylactide foams and Bioglass (R) for tissue engineering applications (2002)

Roether, J A, Boccaccini, Aldo R., Hench, L L, Maquet, Véronique, Gautier, Sandrine, Jérôme, Robert

Bioactive and bioresorbable composite materials were fabricated using macroporous poly(DL-lactide) (PDLLA) foams coated with and impregnated by bioactive glass (Bioglass®) particles. Stable and...

pH Dependence of the morphology of aqueous micelles formed by polystyrene-block-poly(2-vinylpyridine)-block-poly(ethylene oxide) copolymers (2002)

Gohy, Jean-François, Willet, Nicolas, Varshney, Sunil K, Zhang, Jian-Xin, Jérôme, Robert

The morphology of micelles formed by two polystyrene-block-poly(2-vinylpyridine)- block-poly(ethylene oxide) (PS-b-P2VP-b-PEO) copolymers was studied in water by dynamic light scattering and...

Novel unsaturated epsilon-caprolactone polymerizable by ring-opening and ring-opening metathesis mechanisms (2002)

Lou, Xudong, Detrembleur, Christophe, Lecomte, Philippe, Jérôme, Robert

Ring-opening polymerization (ROP) and ring-opening metathesis polymerization (ROMP) of an unsaturated epsilon-caprolactone, 6,7-dihydro-2(3H)-oxepinone (DHO2), are alternative routes to produce...

Surfactant molecules intercalated in laponite as studied by C-13 and Si-29 MAS NMR (2002)

Kubies, Dana, Jérôme, Robert, Grandjean, Jean

The structure and dynamics of surfactant molecules intercalated in Laponite have been characterized by solid-state C-13 NMR relaxation times and C-13- and Si-29-detected proton relaxation times....

Controlled synthesis and chemical modification of unsaturated aliphatic (co)polyesters based on 6,7-dihydro-2(3H)-oxepinone (2002)

Lou, Xudong, Detrembleur, Chritsophe, Lecomte, Philippe, Jérôme, Robert

A pure unsaturated cyclic ester, 6,7-dihydro-2(3H)-oxepinone (DHO2), was prepared by a new synthetic route. The copolymerization of DHO2 with epsilon-caprolactone (CL) was initiated by aluminum...

Layered silicate/polyester nanohybrids by controlled ring-opening polymerization (2002)

Lepoittevin, Bénédicte, Pantoustier, Nadège, Alexandre, Michaël, Calberg, Cédric, Jérôme, Robert, Dubois, Philippe

In this study, layered silicate/aliphatic polyester nanohybrids were synthesized by ring-opening polymerization of c-caprolactone as promoted by the so-called coordination-insertion mechanism. These...

Anionic polymerisation of methyl methacrylate with complex initiator system (2002)

Nugay, Turgut, Nugay, Nihan, Jérôme, Robert

Polymerisation of methyl methacrylate was conducted by using alkyl lithium/dimethylsulfoxide (DMSO) system as initiator in toluene. A special attention was focused on using some lithium...

Full electrochemical synthesis of conducting polymer films chemically grafted to conducting surfaces (2002)

Labaye, David E, Jérôme, Christine, Gueskin, VM, Louette, P, Lazzaroni, R, Martinot, Lucien, ...

This paper reports on the full electrochemical synthesis of electrically conducting polymers chemically grafted to conducting surfaces (e.g., glassy carbon, stainless steel, nickel, gold). It is...

Vesicular nanostructures prepared by reactive melt blending (2002)

Koulic, Christian, Yin, Zhihui, Pagnoulle, Christophe, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Poly(epsilon-caprolactone)/clay nanocomposites prepared by melt intercalation: mechanical, thermal and rheological properties (2002)

Lepoittevin, Bénédicte, Devalckenaere, Myriam, Pantoustier, Nadège, Alexandre, Michaël, Kubies, Dana, Calberg, Cédric, ...

(Nano)composites of poly(epsilon-caprolactone) (PCL) were prepared by melt blending the polymer with natural Na+ montmorillonite and montmorillonite modified by hydrogenated tallowalkyl (HTA)-based...

Adsorption and structure formation of the weak polyelectrolytic diblock copolymer, PVP-b-PDMAEMA (2002)

Mahltig, Boris, Gohy, Jean-François, Antoun, Sayed, Jérôme, Robert, Stamm, Manfred

This paper reports on the pH-dependent adsorption of weak the polyelectrolytic diblock copolymer poly(2-vinylpyridine)-block-poly(dimethylaminoethyl methacrylate), (PVP-b-PDMAEMA). Aqueous...

The use of epsilon-caprolactone as a polymerizable solvent for the atom transfer radical polymerization of MMA at low temperature (2002)

Wang, Wenxin, Yin, Zhihui, Detrembleur, Christophe, Lecomte, Philippe, Lou, Xudong, Jérôme, Robert

This paper report on the decisive effect that solvent has on the atom transfer radical polymerization of methyl metacrylate (MMA) at low temperature. In buta-none and in the presence of a...

Texture characterisation of ultramacroporous materials using non-destructive methods (2002)

Blacher, Silvia, Maquet, Véronique, Léonard, Angélique, Chapelle, G., Crine, Michel, Jérôme, Robert, ...

6th International Symposium on the Characterization of Porous Solids

pH-Dependence of the morphology of micelles formed by poly(2-vinylpyridine)-block-poly(ethylene oxide) copolymers in water (2002)

Gohy, Jean-François, Mores, Sandrine, Varshney, Sunil K, Zhang, Jian-Xin, Jérôme, Robert

The morphology of micelles formed by two poly(2-vinylpyridine)-block-poly(ethylene oxide) (P2VP-b-PEO) copolymers has been studied in phosphate-buffered water by dynamic light scattering and...

Controlled ring-opening polymerization of epsilon-caprolactone in the presence of layered silicates and formation of nanocomposites (2002)

Kubies, Dana, Pantoustier, Nadège, Dubois, Philippe, Rulmont, André, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Electrografting of preformed aliphatic polyesters onto metallic surfaces (2002)

Lou, Xudong, Jérôme, Christine, Detrembleur, Christophe, Jérôme, Robert

Preformed aliphatic polyesters bearing pendent acrylate groups, poly(4-acryloyloxy-epsilon-caprolactone)co-epsilon-caprolactone) [poly(ACL-co-epsilonCL)], were grafted onto metallic surfaces by a...

Polyethylene-layered silicate nanocomposites prepared by the polymerization-filling technique: synthesis and mechanical properties (2002)

Alexandre, Michaël, Dubois, Philippe, Sun, Tao, Garces, Juan M., Jérôme, Robert

Polyethylene-layered silicate nanocomposites were prepared by the in situ intercalative polymerization of ethylene by the so-called polymerization-filling technique and analyzed by transmission...

Control of the radical polymerization of tert-butyl methacrylate in water by a novel combination of sodium nitrite and iron(II) sulfate (2002)

Detrembleur, Christophe, Teyssié, Philippe, Jérôme, Robert

Addition of iron(II) sulfate to sodium nitrite is a new way to control the radical polymerization of tert-butyl methacrylate (tBMA) in water at 80 degreesC. Nitric oxide is released in the reaction...

Sodium nitrite and ascorbic acid: a metal-free combination that controls the free-radical polymerization of tert-butyl methacrylate in water (2002)

Detrembleur, Christophe, Mouithys-Mickalad, Ange, Teyssié, Philippe, Jérôme, Robert

A mixture of sodium nitrite and ascorbic acid is able to control the radical polymerization of tert-butyl methacrylate (tBMA) in water at 80°C. Indeed, sodium nitrite is reduced by the ascorbic...

Lithiation of toluene by organolithium compounds activated by lithium polyether alkoxides (2002)

Nugay, Nihan, Nugay, Turgut, Jérôme, Robert, Teyssié, Philippe

The catalytic effect of polyether alkoxides (PEAs) on the activity of organolithium. compounds as metallating agent has been investigated. Toluene has been lithiated by using different organolithiums...

Analogy in adsorption behavior of homopolyelectrolyte mixtures as compared to analogous diblock polyampholytes (2002)

Mahltig, Boris, Gohy, Jean-François, Jérôme, Robert, Buchhamer, HM, Stamm, Manfred

The adsorption behavior of aqueous mixtures of the homopolyelectrolytes poly(methacrylic acid) (PMAA) and poly[(dimethylamino)ethyl methacrylate] (PDMAEMA) was investigated in comparison with the...

Living cationic polymerization of delta-valerolactone and synthesis of high molecular weight homopolymer and asymmetric telechelic and block copolymer (2002)

Lou, Xudong, Detrembleur, Christophe, Jérôme, Robert

Poly(delta-valerolactone) [poly(deltaVL)] of high molecular weight (similar to40 000) and low polydispersity index (similar to1.05) was prepared by activated monomer cationic ring-opening...

Effect of block copolymers of various molecular architecture on the phase morphology and tensile properties of LDPE rich (LDPE/PS) blends (2002)

Harrats, Charef, Fayt, R, Jérôme, Robert

The emulsification efficiency of three different block copolymers consisting of hydrogenated polybutadiene (HPB) and polystyrene (PS), i.e. a pure diblock , a tapered diblock and a triblock copolymer...

Two-step backbiting reaction in the ring-opening polymerization of gamma-acryloyloxy-epsilon-caprolactone initiated with aluminium isopropoxide (2002)

Lou, Xudong, Detrembleur, Christophe, Lecomte, Philippe, Jérôme, Robert

gamma-Acryloyloxyethyl-gamma-butyrolactone is formed as a byproduct when the polymerization of gamma-acryloyloxy-epsilon-caprolactone is initiated with aluminium isopropoxide in toluene. The extent...

Contribution of unsymmetrical difunctional initiators/monomers to the macromolecular engineering (2002)

Jérôme, Robert

The emerging technologies (e.g. in optics, microelectronics, medicine...) require the availability of synthetic polymers with continuously more sophisticated properties and performances. The best way...

New silica based polymeric systems designed for the solid-liquid extraction of uranyl ions (2002)

Caprasse, F, Leroy, Delphine, Martinot, Lucien, Pire, Sylvie, Pirard, Jean-Paul, Guillaume, Jean-François, ...

Image analysis characterization of highly oriented freeze-drying porous materials (2002)

Blacher, Silvia, Maquet, Véronique, Jérôme, Robert, Pirard, Jean-Paul

Image analysis has been used as a potential tool for the characterization of the texture of ultramacroporous foams prepared by freeze-drying. It has been shown that this technique actually provides...

Polyester layered silicate nanohybrids by controlled grafting polymerization (2002)

Lepoittevin, Bénédicte, Pantoustier, Nadège, Alexandre, Michaël, Calberg, Cédric, Jérôme, Robert, Dubois, Philippe

Poly( epsilon-caprolactone) (PCL) layered silicate nanohybrids were synthesized by ring opening polymerization of epsilon-caprolactone according to a well-controlled coordination-insertion mechanism....

Texture characterization of ultramacroporous materials using non-destructive methods (2002)

Blacher, Silvia, Maquet, Véronique, Léonard, Angélique, Chapelle, Gérard, Crine, Michel, Jérôme, Robert, ...

Image analysis, impedance spectroscopy and X-ray microtomography have been used as non-destructive methods in order to characterize ultramacroporous materials (pore width > 1 mum). These methods are...

New silica based polymeric systems designed for the solid-liquid extraction of uranyl ions (2002)

Caprasse, Christine, Leroy, Cécile, Martinot, L., Lambert, Stéphanie, Pirard, Jean-Paul, Guillaume, J., ...

Fonds de la Recherche Scientifique (Communauté française de Belgique) - FNRS

One-pot preparation of polymer/clay nanocomposites starting from Na+ montmorillonite. 1. Melt intercalation of ethylene-vinyl acetate copolymer (2001)

Alexandre, Michaël, Beyer, Günter, Henrist, Catherine, Cloots, Rudi, Rulmont, André, Jérôme, Robert, ...

Center for Education and Research on Macromolecules (CERM)

Association of telechelic ionomers in apolar solvents (2001)

Chassenieux, Christophe, Nicolai, Taco, Tassin, Jean-François, Durand, Dominique, Gohy, Jean-François, Jérôme, Robert

The associative properties of well-defined halatotelechelic ionomers in an apolar solvent were studied by means of dynamic mechanical spectroscopy, small-angle X-ray scattering, as well as static and...

pH-dependent micellization of poly(2-vinylpyridine)-block-poly((dimethylamino) ethyl methacrylate) diblock copolymers (2001)

Gohy, Jean-François, Antoun, Sayed, Jérôme, Robert

A series of poly(2-vinylpyridine)-block-poly((dimethylamino)ethyl methacrylate) diblock copolymers (P2VP-b-PDMAEMA) have been synthesized by living anionic polymerization of the comonomers. Dynamic...

Highly regular polyampholytic structures adsorbed directly from solution (2001)

Mahltig, Boris, Müller-Buschbaum, P, Wolkenhauer, M, Wunnicke, O, Wiegand, S, Gohy, Jean-François, ...

This article concerns the adsorption of the diblock polyampholyte poly(methacrylic acid)-block-poly((dimethylamino)ethyl methary-late) (PMAA-b-PDMAEMA) from aqueous solution on silicon substrates....

Self-aggregation of poly(methyl methacrylate)-block-poly(sulfonated glycidyl methacrylate) copolymers (2001)

Gohy, Jean-François, Antoun, Sayed, Jérôme, Robert

The self-aggregation of a series of amphiphilic poly(methyl methacrylate)-block-poly(sulfonated glycidyl methacrylate) (PMMA-b-PSGMA) copolymers in water has been studied by dynamic light scattering...

Metallocene catalyzed polymerization of ethylene in the presence of graphite. 2. Structure and electrical properties of the composites (2001)

Pluta, Miroslaw, Alexandre, Michaël, Blacher, Silvia, Dubois, Philippe, Jérôme, Robert

Structure and electrical properties of conducting polyethylene/graphite composites have been studied in relation to the preparation method, i.e. (i) the polymerization-filling technique (PFT), in...

Ionic end-capping of (semi)telechelic polymers by mesogens: a novel route to liquid crystalline polymers (2001)

Gohy, Jean-François, Jérôme, Robert

A mesogenic cation has been associated with low molecular weight carboxylato- and sulfonato-(semi)telechelic polymers to form liquid crystalline halato(semi)telechelic polymers (LC H(S)TPs). Two...

Living ring-opening (co)polymerization of 6,7-dihydro-2(5H)-oxepinone into unsaturated aliphatic polyesters (2001)

Lou, Xudong, Detrembleur, Christophe, Lecomte, Philippe, Jérôme, Robert

Homopolymerization of the unsaturated cyclic ester, 6,7-dihydro-2(5H)-oxepinone (DHO), and copolymerization with epsilon-caprolactone (epsilon-CL) are an easy way to produce unsaturated aliphatic...

Comments on and updating of the paper "controlled radical polymerization of methyl methacrylate mediated by 4-methoxypyridine-N-oxide" (2001)

Detrembleur, Christophe, Teyssié, Philippe, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Reactive blending of functional PS and PMMA: interfacial behavior of in situ formed graft copolymers (2001)

Yin, Zhihui, Koulic, Christian, Pagnoulle, Christophe, Jérôme, Robert

ω-Isocyanate PMMA, α-anhydride PMMA, and PS-co-PSNH2 have been prepared by atom transfer radical polymerization (ATRP) with controlled molecular weights (104 and 3.5 × 104) and low polydispersity...

Metallocene catalyzed polymerization of ethylene in the presence of graphite. 1. Synthesis and characterization of the composites (2001)

Alexandre, Michaël, Pluta, Miroslaw, Dubois, Philippe, Jérôme, Robert

Polyethylene/graphite composites have been prepared by two different methods. In a first approach, the ethylene polymerization has been catalyzed by metallo-cene in the presence of neat graphite...

Investigation of the interactions of polyvinylpyrrolidone with mixtures of anionic and nonionic surfactants or anionic and zwitterionic surfactants by pulsed field gradient NMR (2001)

Misselyn-Bauduin, Anne-Marie, Thibaut, André, Grandjean, Jean, Broze, Guy, Jérôme, Robert

The interaction of polyvinylpyrrolidone (PVP) with an anionic surfactant (sodium dodecyl sulfate, SDS), a nonionic surfactant (pentaethylene glycol monodecyl ether, C(10)E(5)), and a zwitterionic...

Probing thermoplastic matrix-carbon fiber interphases. 1. Preferential segregation of low molar mass chains to the interface (2001)

Carlier, V, Sclavons, M, Jonas, Alain M, Jérôme, Robert, Legras, Roger

The molecular mobility of polystyrene (PS) chains near the surface of carbon fibers was investigated. The glass transition temperature of very thin coatings deposited on carbon fibers was measured by...

Synthesis and ring-opening polymerization of α-chloro-ε-caprolactone (2001)

Lecomte, Philippe, Lenoir, Sandrine, Xudong, Lou, Detrembleur, Christophe, Jérôme, Robert

Belgian Polymer Group (BPG) annual meeting 2001

Effect of the Solvent Polarity on the Living Ligated Anionic Polymerization of tert-Butyl Methacrylate and Copolymerization with Methyl Methacrylate (2001)

Zune, Catherine, Archambeau, C, Dubois, Philippe, Jérôme, Robert

An anionic polymerization of t-butyl methacrylate and a copolymerization with methyl methacrylate were initiated with an organolithium ligated with 10 equiv of LiCl. As a rule, the complexation of...

Water-soluble complexes formed by poly(2-vinylpyridinium)-block-poly(ethylene oxide) and poly(sodium methacrylate)-block-poly(ethylene oxide) copolymers (2001)

Gohy, Jean-François, Varshney, Sunil K, Jérôme, Robert

Formation of interpolyelectrolyte complexes (IPEC) by mixing protonated poly(2-vinylpyridine)-block-poly(ethylene oxide) (P2VP-b-PEO) with neutralized poly(methacrylic acid)-block-poly(ethylene...

Preparation and properties of layered silicate nanocomposites based on ethylene vinyl acetate copolymers (2001)

Alexandre, Michaël, Beyer, Günter, Henrist, Catherine, Cloots, Rudi, Rulmont, André, Jérôme, Robert, ...

(Nano)composites based on ethylene vinyl acetate copolymers (EVA) and montmorillonite modified by various alkylammonium cations were processed by mechanical kneading. Polymer intercalation and filler...

Poly(D,L-lactide) foams modified by poly(ethylene oxide)-block-poly(D,L-lactide) copolymers and a-FGF: in vitro and in vivo evaluation for spinal cord regeneration (2001)

Maquet, Véronique, Martin, Didier, Scholtes, Félix, Franzen, Rachelle, Schoenen, Jean, Moonen, Gustave, ...

The first goal of this study was to examine the influence that poly(ethylene oxide)-block-poly(D,L-lactide) (PELA) copolymer can have on the wettability, the in vitro controlled delivery capability,...

Full-electrochemical preparation of conducting/insulating binary polymer films (2001)

Jérôme, Christine, Geskin, V, Lazzaroni, Roberto, Brédas, Jean-Luc, Thibaut, Anne, Calberg, Cédric, ...

Binary polymer films consisting of an insulating polymer and a conducting polymer have been successfully prepared by sequential electropolymerization of the parent monomers. The insulating polymer...

Electrochemical strategies for the strengthening of polymer – metal interfaces (2001)

Baute, Noëlle, Jérôme, Christine, Martinot, Lucien, Mertens, Marc, Geskin, Viktor M, Lazzaroni, Roberto, ...

Polymers have been widely used for the protection of metals against corrosion and for improving the performance of structural adhesive joints. In this contribution, the weakness and short-term...

Morphology of Water-Soluble Interpolyelectrolyte Complexes Formed by Poly(2-vinylpyridinium)-block-poly(ethylene oxide) Diblocks and Poly(4-styrenesulfonate) Polyanions (2001)

Gohy, Jean-François, Varshney, Sunil K, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Combination of Electrografting and Ring-Opening Metathesis Polymerization: An Efficient Way to Prepare Polynorbornene Brushes on Conducting Substrates (2001)

Detrembleur, Christophe, Jérôme, Christine, Claes, Michaël, Louette, Pierre, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Micellization of quaternized poly(2-(dimethylamino)ethyl methacrylate)-block-poly(methyl methacrylate) copolymers in water (2001)

Antoun, Sayed, Gohy, Jean-François, Jérôme, Robert

Micellization of a series of amphiphilic quaternized poly(2-(dimethylamino)ethyl methacrylate)-block-poly(methyl methacrylate) (PQDMAEMA-b-PMMA) copolymers has been studied in water. The alkyl halide...

Morphology and mechanical properties of poly(methylmethacrylate)-b-poly(alkylacrylate)-b-poly(methylmethacrylate) (2001)

Tong, J D, Leclère, Philippe, Doneux, C, Brédas, Jean-Luc, Lazzaroni, Roberto, Jérôme, Robert

A series of well-defined poly(methylmethacrylate) (PMMA)-b-poly(alkylacrylate)-b-PMMA triblock copolymers (MAM) has been synthesized by transalcoholysis of PMMA-b-poly(tert-butylacrylate)-b-PMMA...

Diblock polyampholytes at the silicon-water interface: adsorption as a function of block ratio and molecular weight (2001)

Mahltig, Boris, Gohy, Jean-François, Jérôme, Robert, Stamm, Manfred

Polyampholytes are highly charged macromolecules carrying oppositely charged functional groups. This article reports on the adsorption of a weak diblock polyampholyte, poly(methacrylic...

Polylactide implants and bacterial contamination: an animal study (2001)

Mainil-Varlet, Pierre, Hauke, Christian, Maquet, Véronique, Printzen, Gert, Arens, Stephan, Schaffner, Thomas, ...

Although bioresorbable aliphatic polyesters derived from lactic acid are now used clinically as sutures, bone-fracture fixation devices and sustained-release drug-delivery systems, very little is...

Reverse atom-transfer radical polymerization at room temperature (2001)

Wang, Wenxin, Yan, Deyue, Jiang, Xuling, Detrembleur, Christophe, Lecomte, Philippe, Jérôme, Robert

This paper aims at reporting on the living/controlled radical polymerization of methyl methacrylate initiated with the benzoyl peroxide (BPO)/CuIX (X=Br,Cl)/2,2'-bipyridine (bpy) redox system at room...

Particle-in-particle morphology for the dispersed phase formed in reactive compatibilization of SAN/EPDM blends (2001)

Pagnoulle, Christophe, Jérôme, Robert

Poly(ethylene-co-propylene-co-diene) (EPDM) containing 50 wt% of poly(ethylene-co-propylene) grafted with maleic anhydride (EP-g-MA) has been melt blended with poly(styrene-co-acrylonitrile) (SAN)...

Premade versus in situ formed compatibilizer at the PS/PMMA interface: contribution of the Raman confocal microscopy to the fracture analysis (2001)

Koulic, Christian, Yin, Zhihui, Pagnoulle, Christophe, Gilbert, Bernard, Jérôme, Robert

The interface of a two-layer assembly of polystyrene (PS) and poly(methyl methacrylate) (PMMA) was modified by an intermediate layer of either a premade poly(styrene-g-methyl methacrylate) copolymer...

Phase-separated microstructures in "all-acrylic" thermoplastic elastomers (2001)

Leclère, Philippe, Rasmont, A, Brédas, Jean-Luc, Jérôme, Robert, Aimé, J P, Lazzaroni, Roberto

Atomic Force Microscopy (AFM) is used to study the phase separation process occurring in block copolymers in the solid state. Measuring simultaneously the amplitude and the phase of the oscillating...

Controlled exchange of metallic cations by polypyrrole-based resins (2001)

Jérôme, Christine, Martinot, Lucien, Strivay, David, Weber, Georges, Jérôme, Robert

Binding and release of various cations by polarization of polypyrrole based exchange-resins has been studied. The reversibility of the process has been investigated by electrochemical and nuclear...

Ring-opening polymerization of epsilon-caprolactone in Supercritical Carbon Dioxide (2001)

Stassin, Fabrice, Halleux, Olivier, Jérôme, Robert

The ring-opening polymerization of ε-caprolactone (CL) initiated by dibutyltin dimethoxide was studied in supercritical carbon dioxide at 40 °C, under a pressure of 210−215 bar. The...

Reactive compatibilization of SAN/EPR blends. 2. Effect of type and content of reactive groups randomly attached to SAN (2001)

Pagnoulle, Christophe, Jérôme, Robert

Kinetics of the poly(styrene-co-acrylonitrile)/poly(ethylene-co-propylene) (SAN/EPR) interfacial reaction has been varied by changing both the average number of reactive groups per SAN chain and the...

Determination of the stability constants of uranyl/polymer complexes by differential pulse polarography (2001)

Leroy, D, Martinot, Lucien, Jérôme, Christine, Jérôme, Robert

Differential pulse polarography (DPP) allows for the determination of the stability constants (K) and the stoichiometry (n) for the complexation of the UO22+ ion by various monomers and the parent...

Polymerization-filling technique: an efficient way to improve the mechanical properties of polyethylene composites (2001)

Alexandre, Michaël, Martin, Eric, Dubois, Philippe, Garcia Marti, Miguel, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Poly (ε-caprolactone-b-glycolide) and Poly(D,L-lactide-b-glycolide) diblock copolyesters: controlled synthesis, characterization, and colloidal dispersions (2001)

Barakat, Ibrahim, Dubois, Philippe, Grandfils, Christian, Jérôme, Robert

Living -aluminum alkoxide poly--caprolactone and poly-D,L-lactide chains were synthesized by the ring-opening polymerization of -caprolactone (-CL) and D,L-lactide (D,L-LA), respectively, and were...

Image analysis, impedance spectroscopy and mercury porosimetry characterisation of freeze-drying porous materials (2001)

Blacher, Silvia, Maquet, Véronique, Pirard, René, Pirard, Jean-Paul, Jérôme, Robert

Image analysis and impedance spectroscopy have been used as potential tools for the characterization of the texture of ultramacroporous PLA foams prepared by freeze-drying. It has been shown that...

Core-shell-corona micelles with a responsive shell (2001)

Gohy, Jean-François, Willet, Nicolas, Varshney, Sunil, Zhang, Jian-Xin, Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Key criteria for the design of polymeric stabilizers for aqueous titanium dioxide dispersions of high solid content (2001)

Creutz, Serge, Jérôme, Robert

Amphiphilic copolymers consisting of an animated hydrophobic block and a hydrophilic poly(sodium methacrylate) one have been synthesized with different structures and tested as stabilizers for...

Rheology of compatibilized immiscible viscoelastic polymer blends (2001)

Iza, Mustapha, Bousmina, Mosto, Jérôme, Robert

Rheological behavior of a PS/PE model viscoelastic immiscible blend compatibilized by two types of inter facial modifiers was investigated. Dynamic, steady shear, and transient experiments were...

Protein adsorption on preadsorbed polyampholytic monolayers (2001)

Mahltig, Boris, Werner, Carsten, Müller, Martin, Jérôme, Robert, Stamm, Manfred

The adsorption behaviour of five different globular proteins on pure silicon substrates and on preadsorbed polyampholytic monolayers has been investigated as a function of protein concentration. The...

Poly(e-caprolactone) layered silicate nanocomposites: effect of clay surface modifiers on the melt intercalation process (2001)

Pantoustier, Nadège, Alexandre, Michaël, Degée, Philippe, Calberg, Cédric, Jérôme, Robert, Henrist, Catherine, ...

Nanocomposites based on biodegradable poly(e-caprolactone) (PCL) and layered silicates (montmorillonite) modified by various alkylammonium cations were prepared by melt intercalation. Depending on...

Preparation of poly(D,L-lactide) nanoparticles assisted by amphiphilic poly(methyl methacrylate-co-methacrylic acid) copolymers (2001)

Gautier, Sandrine, Grudzielski, Nathalie, Goffinet, Gerhard, Henry De Hassonville, Sandrine, Delattre, Luc, Jérôme, Robert

When co-precipitated with amphiphilic copolymers from DMSO, poly(D,L-lactide) (PLA) can be readily converted into stable sub-200 nm nanoparticles by addition of an aqueous phase, free of any...

Diblock polyampholytes at the silicon/water interface: adsorption at various modified silicon substrates (2001)

Mahltig, Boris, Jérôme, Robert, Stamm, Manfred

The adsorption behaviour of the ampholytic diblock copolymer poly(methacrylic acid)-block-poly((dimethylamino)ethyl methacrylate), PMAA-b-PDMAEMA, was investigated on differently prepared silicon...

Microphase separation at the surface of block copolymers, as studied with atomic force microscopy (2000)

Rasmont, A, Leclère, Philippe, Doneux, C, Lambin, G, Tong, Jiang Dong, Jérôme, Robert, ...

Atomic force microscopy (AFM) is used to study the phase separation process occurring in block copolymers in the solid state. The simultaneous measurement of the amplitude and the phase of the...

Characterization of porous polylactide foams by image analysis and impedance spectroscopy (2000)

Maquet, Véronique, Blacher, Silvia, Pirard, René, Pirard, Jean-Paul, Jérôme, Robert

The texture of highly porous polylactide foams prepared by freeze-drying of poly-L-lactide (L-PLA) and poly-DL-lactide (DL-PLA) solutions of various concentrations was investigated by two novel...

Peripheral Nerve Regeneration Using Bioresorbable Macroporous Polylactide Scaffolds (2000)

Maquet, V, Martin, Didier, Malgrange, Brigitte, Franzen, Rachelle, Schoenen, Jean, Moonen, Gustave, ...

The ability of DRG-derived neurons to survive and attach onto macroporous polylactide (PLA) foams was assessed in vitro. The foams were fabricated using a thermally induced polymer-solvent phase...

Peripheral nerve regeneration using bioresorbable macroporous polylactide scaffolds (2000)

Maquet, Véronique, Martin, Didier, Malgrange, Brigitte, Franzen, Rachelle, Schoenen, Jean, Moonen, Gustave, ...

The ability of DRG-derived neurons to survive and attach onto macroporous polylactide (PLA) foams was assessed in vitro. The foams were fabricated using a thermally induced polymer-solvent phase...

Water-soluble complexes formed by sodium poly(4-styrenesulfonate) and a poly(2-vinylpyridinium)-block-poly(ethyleneoxide) copolymer (2000)

Gohy, Jean-François, Varshney, Sunil K, Antoun, Said, Jérôme, Robert

Formation of interpolyelectrolyte complexes (IPEC) between sodium poly(4-styrenesulfonate) (PSSO3Na) and a diblock copolymer consisting of a protonated poly(2-vinylpyridine) (P2VP) block and a...

Adsorption of Poly(vinylpyrrolidone)/Surfactant(s) mixtures at the silica/water interface: a calorimetric investigation (2000)

Thibaut, Anne, Misselyn-Bauduin, Anne-Marie, Broze, Guy, Jérôme, Robert

The adsorption of binary mixtures of poly(vinylpyrrolidone) (PVP) and sodium dodecyl sulfate (SDS) and of ternary mixture of PVP, SDS, and pentaethylene glycol monodecyl ether (C10E5) onto silica has...

Ionic end-capping of (semi)telechelic polymers by mesogens (2000)

Gohy, Jean-François, Sobry, Roger, Van Den Bossche, Guy, Jérôme, Robert

Two methods have been used to end-cap linear polymer chains at one end or at both ends by a mesogen through ionic bonding. These polymers are designated as liquid-crystalline halato(semi)telechelic...

Effectiveness of block copolymers as stabilizers for aqueous titanium dioxide dispersions of a high solid content (2000)

Creutz, Serge, Jérôme, Robert

Copolymers of 2-(dimethylamino)ethyl methacrylate (DMAEMA) and sodium methacrylate (MANa) have been synthesized and tested as dispersants for the aqueous dispersion of titanium dioxide (80 wt.%...

Adsorption of an aqueous mixture of surfactants on silica (2000)

Thibaut, Anne, Misselyn-Bauduin, Anne-Marie, Grandjean, Jean, Broze, Guy, Jérôme, Robert

The behavior of mixtures of a nonionic surfactant, pentaethylene glycol monodecyl ether (C10E5), and an anionic surfactant, sodium dodecyl sulfate (SDS), was studied at the water−silica interface....

Polarization holography reveals the nature of the grating in polymers containing azo-dye (2000)

Blanche, Pierre-Alexandre, Lemaire, P C, Maertens, Christophe, Dubois, Philippe, Jérôme, Robert

To study the origin of reversible holographic recording in three polymers containing the same azo-dye, we have measured the diffraction efficiency and analyzed the gratings characteristics for...

Reactive compatibilization of SAN/EPR blends: Effect of rubber content and reactivity of the SAN functional groups (2000)

Pagnoulle, Christophe, Martin, Philippe, Jérôme, Robert

SAN containing 20 wt.-% reactive SAN-X was melt blended with EPDM containing 50 wt.-% maleic anhydride EPR grafted chains (EP-g-MA). The rubber content was changed from 15 to 80 wt.-%, and 2 types of...

Reactivity of functional SAN toward coreactive EPR-g-MA at planar interface (2000)

Pagnoulle, Christophe, Moussaif, Noureddine, Riga, Joseph, Jérôme, Robert

The grafting kinetics of reactive poly(styrene-co-acrylonitrile) (SAN) onto EPR-g-MA was studied under isothermal conditions, at the planar interface of an SAN/ethylene-propylene rubber (EPR) bilayer...

Surface structure of thin film blends of polystyrene and poly(n-butyl methacrylate) (2000)

Affrossman, S, Jérôme, Robert, O'Neill, S A, Schmitt, T, Stamm, Manfred

Thin films of blends of polystyrene (PS) and poly(n-butyl methacrylate) (PBMA) were prepared by spin-casting onto silicon wafers in order to map the lateral distribution of the two polymers. The...

New Functional Aliphatic Polyesters by Chemical Modification of Copolymers of ε-Caprolactone with γ-(2-Bromo-2-methylpropionate)- ε-caprolactone, γ-Bromo- ε-caprolactone, and a Mixture of β-and γ-Ene- ε-caprolactone (2000)

Detrembleur, Christophe, Mazza, Michaël, Lou, Xudong, Halleux, Olivier, Lecomte, Philippe, Mecerreyes, David, ...

New functional aliphatic polyesters were prepared by chemical modification of brominated copolyesters. Poly(epsilon-caprolactone)-co-poly(gamma-(2-bromo-2-methylpropionate)-epsilon-caprolactone)...

Electrochemical synthesis of conjugated polymer wires and nanotubules (2000)

Jérôme, Christine, Demoustier-Champagne, Sophie, Legras, Roger, Jérôme, Robert

Two electrochemical methods designed for the synthesis of polypyrrole (PPy) wires and nanotubules are the topic of this paper. The concept that allows the morphology of PPy to be controlled is...

Ternary polymer blend with core-shell dispersed phases: effect of the core-forming polymer on phase morphology and mechanical properties (2000)

Luzinov, Igor, Pagnoulle, Christophe, Jérôme, Robert

Phase morphology and mechanical properties of ternary blends consisting of PS (polystyrene), SBR (styrene butadiene rubber) and different polyolefins (POs) have been studied. PS, systematically forms...

Aggregates formed by amphoteric diblock copolymers in water (2000)

Gohy, Jean-François, Creutz, Serge, Garcia, Myriam, Mahltig, Boris, Stamm, Manfred, Jérôme, Robert

The associating behavior of a series of monodisperse poly(2-(dimethylamino)ethyl methacrylate)-b-poly(methacrylic acid) (PDMAEMA-b-PMAA) ampholytic diblock copolymers has been studied in water in the...

Tuning of the exchange dynamics of unimers between block copolymer micelles with temperature, cosolvents, and cosurfactants (2000)

Van Stam, Jan, Creutz, Serge, De Schryver, Frans C, Jérôme, Robert

The dynamics of unimer exchange between aqueous micelles, formed by two amphiphilic block copolymers, i.e., poly(styrene-b-sodium methacrylate) and poly(tert-butylstyrene-b-sodium methacrylate), has...

Small-angle neutron scattering studies of low-polarity telechelic ionomer solutions. 3. Temperature dependence of the ionic association (2000)

Karayianni, Eleni, Jérôme, Robert, Cooper, Stuart L

The effect of temperature on the structure and single chain conformation of associating solutions of carboxy−telechelic polystyrene ionomers has been investigated in the dilute to semidilute...

Reactive compatibilization of SAN/EPR blends. 1. Dependence of the phase morphology development on the reaction kinetics (2000)

Pagnoulle, Christophe, Koning, Cor, Leemans, Luc, Jérôme, Robert

SAN containing 20 wt % of reactive SAN-X has been melt blended with EPDM containing 50 wt % of EP chains grafted by maleic anhydride (EP-g-MA). Two types of reactive groups (X) have been attached to...

Synthesis of new hydrophilic γ-substituted poly-ε-caprolactones (2000)

Lecomte, Philippe, D'aloia, Violetta, Mazza, Michaël, Halleux, Olivier, Gautier, Sandrine, Detrembleur, Christophe, ...

ACS 220th : "Macromolecular Synthesis by Selective Chemical Modification"

New system for complexation of uranyl ions from liquid wastes of low-level activity: Polypyrrole doped with complexing polyanions (2000)

Leroy, Danielle, Martinot, Lucien, De Becker, Michaël, Strivay, David, Weber, Géraldine, Jérôme, Christine, ...

Polymer composites consisting of polypyrrole doped by uranyl complexing polyanions [i.e., poly(2-acrylamidoglycolic acid) and poly(2-acrylamido-2-methyl-1-propanesulfonic acid)] were...

Adsorption kinetics of a hydrophobic-hydrophilic diblock polyelectrolyte at the solid- aqueous solution interface: a slow birth and fast growth process (2000)

Abraham, T, Giasson, S, Gohy, Jean-François, Jérôme, Robert, Müller, B, Stamm, Manfred

The adsorption kinetics of a diblock copolymer poly(tert-butyl methacrylate)-b-poly(glycidyl methacrylate sodium sulfonate) on hydrophobic substrate from aqueous solution under different added...

Morphology and rheology of poly(methyl methacrylate)-block-poly(isooctyl acrylate)-block-poly(mehtyl methacrylate) triblock copolymers, and potential as thermoplastic elastomers (2000)

Tong, Jiang-Dong, Leclère, Philippe, Rasmont, A, Brédas, Jean-Luc, Lazzaroni, Roberto, Jérôme, Robert

The phase morphology and rheological properties of a series of poly(methyl methacrylate)-block-poly(isooctyl acrylate)-block-poly(methyl methacrylate) triblock copolymers (MIM) have been studied....

Use of metallocenes in the polymerization-filling technique with production of polyolefin-based composites (2000)

Alexandre, Michaël, Martin, Eric, Dubois, Philippe, Garcia-Martini, Miguel, Jérôme, Robert

In an updated version of the polymerization-filling technique, the surface of particulate fillers has been activated by metallocenes. Homogeneously filled polyolefins have accordingly been produced...

Deformation behavior of weakly segregated block copolymers. 2. Correlation between phase behavior and deformation mechanisms of diblock copolymers (2000)

Weidisch, R, Schreyeck, G, Ensslen, M, Michler, G H, Stamm, Manfred, Schubert, D W, ...

The deformation behavior of poly(styrene-b-butyl methacrylate) diblock copolymers, PS-b-PBMA, is studied by high-voltage electron microscopy (HVEM) with an in-situ tensile device. While in the first...

First example of an unsymmetrical difunctional monomer polymerizable by two living/controlled methods (2000)

Mecerreyes, David, Humes, J., Miller, R. D., Hedrick, James L., Detrembleur, Christophe, Lecomte, Philippe, ...

In this paper the synthesis and (co)polymerizations of 4-(acryloyloxy)-epsilon-caprolactone are reported. This new monomer can be polymerized in a living/controlled way by two different...

Synthesis of fully acrylic thermoplastic elastomers by atom transfer radical polymerization (ATRP), 2a effect of the catalyst on the molecular control and the rheological properties of the triblock copolymers (2000)

Moineau, Georges, Minet, Michaël, Teyssié, Philippe, Jérôme, Robert

The ATRP of MMA was initiated by α,ω-dibromo poly(n-butyl acrylate) in the presence of NiBr2(PPh3)2 leading to poly(MMA)-b-poly(nBuA)-b-poly(MMA) triblock copolymers (MnBM). The initiation of the...

Reactive compatibilization of PC/PVDF polymer blends by zinc carboxylate containing poly(methylmethacrylate)ionomers (2000)

Moussaif, Noureddine, Pagnoulle, Christophe, Jérôme, Robert

Polycarbonate (PC) has been reacted with a random copolymer of methylmethacrylate and 6 mol% of acrylic acid (poly(MMA-co-AA)) and with this copolymer neutralized (totally or not) by Zn cations. When...

Cyclic esterketone compounds, processes for the synthesis thereof and process for the preparation of poly (esterketone) polymers (2000)

Wautier, Henri, Latere, Jean-Pierre, Lecomte, Philippe, Jérôme, Robert, Dubois, Philippe

Solvay SA

Cyclic esterketone compounds, processes for the synthesis thereof and process for the preparation of poly (esterketone) polymers (2000)

Wautier, Henri, Latere, Jean-Pierre, Lecomte, Philippe, Jérôme, Robert, Dubois, Philippe

Solvay SA

Cyclic esterketone compounds, processes for the synthesis thereof and process for the preparation of poly(esterketone)polymers (2000)

Wautier, Henri, Latere, Jean-Pierre, Lecomte, Philippe, Jérôme, Robert, Dubois, Philippe

Solvay SA

Anionic synthesis of cyclic anhydride end-capped poly(methyl methacrylate) (2000)

Fallais, Isabelle, Pantoustier, Nadège, Devaux, Jacques, Zune, Catherine, Jérôme, Robert

This paper reports on the anionic synthesis of poly(methyl methacrylate) chains end-capped by cyclic anhydride. The method is based on the chemical derivatization of a precursor tert-butyl diester...

Synthesis and bulk properties of poly(methyl methacrylate)-b-poly(isooctyl acrylate(isooctyl acrylate)-b-poly(methyl methacrylate) (2000)

Tong, J D, Leclère, Philippe, Doneux, C, Brédas, Jean-Luc, Lazzaroni, Roberto, Jérôme, Robert

A series of well-defined poly(methylmethacrylate) (PMMA)-b-poly(isooctylacrylate) (PIOA)-b-PMMA triblock copolymers (MIM) has been synthesized by transalcoholysis of PMMA-b-poly(tert-butylacrylate)...

Adsorption of block polyampholyte micelles in monolayers at the silicon water interface (2000)

Mahltig, Boris, Gohy, Jean-François, Jérôme, Robert, Bellmann, C, Stamm, Manfred

The adsorption of the diblock polyampholyte poly (methacrylic acid)-block-poly((di-methylamino)ethyl methacrylate) from aqueous solution on silicon substrates was investigated as a function of...

Aggregation behaviour of monosulfonated telechelic ionomers (2000)

Chassenieux, Christophe, Nicolai, Taco, Durand, Dominique, Gohy, Jean-François, Jérôme, Robert

The behaviour of monosulfonated telechelic polystyrene with various molar masses and different counterions has been investigated using static and dynamic light scattering. For concentrations above...

Polymer dynamics In an Interface-confined space: NMR study of poly(hexyl ethacrylate)-block-poly(acrylic acid) and poly(dodercyl methacrylate)-block-poly(acrylic acid) micelles in D2O (2000)

Kritz, J, Brus, J, Plestil, J, Kurkova, D, Masai, B, Dybal, J, ...

The mobility of distant methyl side groups in poly(hexyl methacrylate)-block-poly(sodium acrylate) (PHMA−PAANa) and poly(dodecyl methacrylate))-block-poly(sodium acrylate) (PLMA−PAANa) micelles,...

Mixed micelles of anionic-nonionic and anionic-zwitterionic surfactants analyzed by pulsed field gradient NMR (2000)

Misselyn-Bauduin, Anne-Marie, Thibaut, Anne, Grandjean, Jean, Broze, Guy, Jérôme, Robert

The micellar composition of two binary surfactant systems, that is, sodium dodecyl sulfate (SDS)/pentaethylene glycol monodecyl ether (C10E5) and SDS/lauryl amido propyl betaine (LAPB), has been...

Comments on "living polymerization : rationale for uniform terminology" (2000)

Jérôme, Robert

Center for Education and Research on Macromolecules (CERM)

Direct measurements of interactions between hydrophobically anchored strongly charged polyelectrolyte brushes (2000)

Abraham, T, Giasson, S, Gohy, Jean-François, Jérôme, Robert

We investigated the nature and the range of interactions between negatively charged polyelectrolyte-coated surfaces as a function of salt concentration using the surface forces apparatus. The...

Synthesis of new substituted polycaprolactones by ring-opening polymerization (2000)

Jérôme, Robert, Detrembleur, Christophe, Lecomte, Philippe

Belgian Polymer Group (BPG) annual meeting 2000

End-capping of polystyrene by aliphatic primary amine by derivatization of precursor hydroxyl end group (2000)

Fallais, Isabelle, Devaux, Jacques, Jérôme, Robert

A new and very efficient route for the synthesis of aliphatic primary amine terminated polystyrene (PS) is reported. In contrast to most known methods, only traditional commercially available...

Photoinduced birefringence and diffraction efficiency in azo dye doped or grafted polymers: theory versus experiment of the temperature influence (2000)

Blanche, Pierre-Alexandre, Lemaire, P C, Maertens, Christophe, Dubois, Philippe, Jérôme, Robert

We have investigated the influence of the temperature on the photoinduced birefringence as well as on the diffraction efficiency of azo dye doped or grafted polymers. The samples are composed of...

Investigating the morphology/rheology interrelationships in immiscible polymer blends (2000)

Martin, P P, Carreau, P J, Favis, B D, Jérôme, Robert

Morphological changes in immiscible polymer blends have been studied in shear flow using an original method based on quenching following deformation of molten samples Relaxation effects wete expected...

Dependence of phase morphology and mechanical properties of PS/SBR/PE ternary blends on composition: transition from core-shell to triple-phase continuity structures (2000)

Luzinov, Igor, Pagnoulle, Christophe, Jérôme, Robert

The weight ratio of PE and PS in ternary PS/SBR/PE blends has been changed at constant SBR content (25 wt%). When the matrix is either PE or PS, the dispersed phase has a core-shell structure with...

Single-step reactive extrusion of PLLA in a corotating twin-screw extruder promoted by 2-ethylhexanoic acid tin(II) salt and triphenylphosphine (2000)

Jacobsen, S, Fritz, HG, Degée, Philippe, Dubois, Philippe, Jérôme, Robert

The ring opening polymerisation of L,L-lactide using an equimolar complex of 2-ethylhexanoic acid tin(II) salt Sn(Oct)2 and triphenylphosphine P( )3 as catalyst shows for the first time a reactivity...

XPS analysis of the PC/PVDF interface modified by PMMA. Location of the PMMA at the interface (2000)

Moussaif, Noureddine, Pagnoulle, Christophe, Riga, Joseph, Jérôme, Robert

Polycarbonate (PC) and polyvinylidenefluoride (PVDF) are two immiscible polymers, which form two-phase polyblends with a weak interfacial adhesion and a high interfacial tension. This situation may...

Novel functionalized oligo-vinylthiophene molecules with modulated second-order nonlinear optical response (2000)

Dos Santos, D A, Kogej, T, Brédas, Jean-Luc, Boutton, C, Hendrickx, E, Houbrechts, S, ...

We present a joint theoretical and experimental investigation of the second-order nonlinear optical properties of a new kind of active molecule with a triblock structure. The molecular architecture...

Controlled ring-opening polymerization of epsilon-caprolactone promoted by "in situ" formed yttrium alkoxides (2000)