Tadeusz Pakula

Publication List Details

Period

1995 - 2008

Number

259

Co-Authors

Polymeric mesoions: Novel synthetic methods, photochemistry, and characterization in the solid state by dielectric-and waveguide-mode spectroscopy (2003)

Theis,A., Menges,B., Mittler,Silvia, Mierzwa,M., Pakula,Tadeusz, Ritter,H.

Photosensitive mesoionic polymers in which the polymerizable methacrylic group is attached to the malonic acid component of the mesoionic function were prepared and characterized. Dielectric...

Heterografted PEO-PnBA brush copolymers (2003)

Neugebauer,D., Zhang,Y., Pakula,Tadeusz, Matyjaszewski,K.

A series of P[(HEMA-TMS)-co-PEOMA] graft copolymers with different amounts of incorporated macromonomer grafts were prepared by copolymerization of a PEO macromonomer (PEOMA, MWav = 1100 g/mol, DPPEO...

Densely-grafted and double-grafted PEO brushes via ATRP. A route to soft elastomers (2003)

Neugebauer,D., Zhang,Y., Pakula,Tadeusz, Sheiko,S. S., Matyjaszewski,K.

Two macromonomers containing ethylene oxide (EO) segments with different degrees of polymerization (DPPEO = 5 and 23), capped by a methoxy and a methacrylate group (PEOMA), were polymerized by atom...

Effect of volume changes on segmental relaxation in siloxane polymers (2003)

Paluch,M., Casalini,R., Patkowski,A., Pakula,Tadeusz, Roland,C. M.

From dielectric relaxation and equation-of-state measurements on polymethylphenylsiloxane and polymethyltolylsiloxane, the relative contributions of volume and thermal energy to the temperature...

Structural control of poly(methyl methacrylate)-g-poly(dimethylsiloxane) copolymers using controlled radical polymerization: Effect of the molecular structure on morphology and mechanical properties (2003)

Shinoda,H., Matyjaszewski,K., Okrasa,L., Mierzwa,M., Pakula,Tadeusz

Atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT) process, and the conventional radical polymerization (RP) were applied to the copolymerization of...

Studies of mobility, interdiffusion, and self-diffusion in two-component mixtures using the dynamic lattice liquid model (2003)

Polanowski,P., Pakula,Tadeusz

The dynamic lattice liquid model was implemented as a simulation algorithm for simple liquids. This model works correctly for the density factor ρ=1 and becomes a base for a parallel algorithm. Such...

Interaction of a spherical particle with linear chains. II. Chains end-grafted at the particle surface (2003)

Klos,J., Pakula,Tadeusz

Linear flexible polymers end-grafted onto the spherical surface ("hairy sphere") are simulated using the cooperative motion algorithm. The simulations are performed in two extremes of the surrounding...

Aromatic polyamides with pendent acetoxybenzamide groups and thin films made therefrom (2003)

Sava,I., Iosip,M. D., Bruma,M., Hamciuc,C., Robison,J., Okrasa,L., ...

New aromatic polyamides containing 1,3,4-oxadiazole or benzonitrile units in the main chain and 5-(4-acetoxybenzamido) groups in the side chain have been synthesized and their properties have been...

Endotoxins in ophthalmic viscosurgical devices (2003)

Dick,H. B., Augustin,A. J., Pakula,Tadeusz, Pfeiffer,N.

PURPOSE. To measure the endotoxin concentration (EC) of 25 commercially available, hyaluronic acid- and hydroxypropylmethylcellulose-based (HPMC) ophthalmic viscosurgical devices (OVDs). METHODS. The...

Miktoarm block copolymer formation via ionic interactions (2003)

Pispas,S., Floudas,G., Pakula,Tadeusz, Lieser,Günter, Sakellariou,S., Hadjichristidis,N.

Blends of functionalized polystyrenes (3NPS) having three dimethylamino groups {N(CH3)(2)} at one end, with sulfonic acid end-capped polyisoprenes (HO3SPI) were prepared in a ratio of N(CH3)(2)/SO3H...

Interaction of a spherical particle with linear chains (2003)

Klos,J., Pakula,Tadeusz

Linear flexible polymers both at low and high concentrations surrounding a single hard sphere are simulated using the cooperative motion algorithm on the face-centered cubic lattice. The...

Phase diagrams of poly(siloxane)/liquid crystal blends (2003)

Gogibus,N., Benmouna,F., Ewen,Bernd, Pakula,Tadeusz, Coqueret,X., Benmouna,M., ...

Phase diagrams of blends of poly(methylphenylsiloxane) in short PMPS and two low molecular weight liquid crystals (4-cyano-4'- n-pentyl-biphenyl and an eutectic mixture of paraphenylenes) are...

Polymers, particles, and surfaces with hairy coatings: Synthesis, structure, dynamics, and resulting properties (2003)

Pakula,Tadeusz, Minkin,P., Matyjaszewski,K.

In this chapter, we discuss problems related to the synthesis, structure and dynamic behavior of macromolecular systems, in which many linear chains are anchored to other macromolecules, to...

Synthesis and properties of copolymers with tailored sequence distribution by controlled/living radical polymerization (2003)

Lutz,J. F., Pakula,Tadeusz, Matyjaszewski,K.

The control of the overall composition and the sequence distribution in copolymers with both linear and branched architectures is described. The synthesis of alternating and gradient copolymers as...

Lamellar ordering in computer-simulated block copolymer melts by a variety of thermal treatments (2003)

Banaszak,M., Woloszczuk,S., Jurga,S., Pakula,Tadeusz

A lattice computer simulation of a symmetric A-B-A triblock copolymer melt is reported. This melt is quenched, in simulation, from an athermal state to 39 different temperatures using cooperative...

Synthesis and solid state properties of novel fluorescent polyester star polymers (2003)

Klok,Harm-Anton, Becker,S., Schuch,F., Pakula,Tadeusz, Müllen,Klaus

Two novel tetra-and hexahydroxy functionalized perylene chromophores have been used as initiators for the Sn(OCt)(2) catalyzed ring-opening polymerization of different lactones. The arms of the...

Interaction of a spherical particle with linear chains. II. Chains end-grafted at the particle surface (2003)

Klos, J., Pakula, Tadeusz

Linear flexible polymers end-grafted onto the spherical surface ("hairy sphere") are simulated using the cooperative motion algorithm. The simulations are performed in two extremes of the surrounding...

Endotoxins in ophthalmic viscosurgical devices (2003)

Dick, H. B., Augustin, A. J., Pakula, Tadeusz, Pfeiffer, N.

PURPOSE. To measure the endotoxin concentration (EC) of 25 commercially available, hyaluronic acid- and hydroxypropylmethylcellulose-based (HPMC) ophthalmic viscosurgical devices (OVDs). METHODS. The...

Aromatic polyamides with pendent acetoxybenzamide groups and thin films made therefrom (2003)

Sava, I., Iosip, M. D., Bruma, M., Hamciuc, C., Robison, J., Okrasa, L., ...

New aromatic polyamides containing 1,3,4-oxadiazole or benzonitrile units in the main chain and 5-(4-acetoxybenzamido) groups in the side chain have been synthesized and their properties have been...

Miktoarm block copolymer formation via ionic interactions (2003)

Pispas, S., Floudas, G., Pakula, Tadeusz, Lieser, Günter, Sakellariou, S., Hadjichristidis, N.

Blends of functionalized polystyrenes (3NPS) having three dimethylamino groups {N(CH3)(2)} at one end, with sulfonic acid end-capped polyisoprenes (HO3SPI) were prepared in a ratio of N(CH3)(2)/SO3H...

Interaction of a spherical particle with linear chains (2003)

Klos, J., Pakula, Tadeusz

Linear flexible polymers both at low and high concentrations surrounding a single hard sphere are simulated using the cooperative motion algorithm on the face-centered cubic lattice. The...

Phase diagrams of poly(siloxane)/liquid crystal blends (2003)

Gogibus, N., Benmouna, F., Ewen, Bernd, Pakula, Tadeusz, Coqueret, X., Benmouna, M., ...

Phase diagrams of blends of poly(methylphenylsiloxane) in short PMPS and two low molecular weight liquid crystals (4-cyano-4'- n-pentyl-biphenyl and an eutectic mixture of paraphenylenes) are...

Polymers, particles, and surfaces with hairy coatings: Synthesis, structure, dynamics, and resulting properties (2003)

Pakula, Tadeusz, Minkin, P., Matyjaszewski, K.

In this chapter, we discuss problems related to the synthesis, structure and dynamic behavior of macromolecular systems, in which many linear chains are anchored to other macromolecules, to...

Synthesis and properties of copolymers with tailored sequence distribution by controlled/living radical polymerization (2003)

Lutz, J. F., Pakula, Tadeusz, Matyjaszewski, K.

The control of the overall composition and the sequence distribution in copolymers with both linear and branched architectures is described. The synthesis of alternating and gradient copolymers as...

Studies of mobility, interdiffusion, and self-diffusion in two-component mixtures using the dynamic lattice liquid model (2003)

Polanowski, P., Pakula, Tadeusz

The dynamic lattice liquid model was implemented as a simulation algorithm for simple liquids. This model works correctly for the density factor ρ=1 and becomes a base for a parallel algorithm. Such...

Structural control of poly(methyl methacrylate)-g-poly(dimethylsiloxane) copolymers using controlled radical polymerization: Effect of the molecular structure on morphology and mechanical properties (2003)

Shinoda, H., Matyjaszewski, K., Okrasa, L., Mierzwa, M., Pakula, Tadeusz

Atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT) process, and the conventional radical polymerization (RP) were applied to the copolymerization of...

Densely-grafted and double-grafted PEO brushes via ATRP. A route to soft elastomers (2003)

Neugebauer, D., Zhang, Y., Pakula, Tadeusz, Sheiko, S. S., Matyjaszewski, K.

Two macromonomers containing ethylene oxide (EO) segments with different degrees of polymerization (DPPEO = 5 and 23), capped by a methoxy and a methacrylate group (PEOMA), were polymerized by atom...

Polymeric mesoions: Novel synthetic methods, photochemistry, and characterization in the solid state by dielectric-and waveguide-mode spectroscopy (2003)

Theis, A., Menges, B., Mittler, Silvia, Mierzwa, M., Pakula, Tadeusz, Ritter, H.

Photosensitive mesoionic polymers in which the polymerizable methacrylic group is attached to the malonic acid component of the mesoionic function were prepared and characterized. Dielectric...

Effect of volume changes on segmental relaxation in siloxane polymers (2003)

Paluch, M., Casalini, R., Patkowski, A., Pakula, Tadeusz, Roland, C. M.

From dielectric relaxation and equation-of-state measurements on polymethylphenylsiloxane and polymethyltolylsiloxane, the relative contributions of volume and thermal energy to the temperature...

Heterografted PEO-PnBA brush copolymers (2003)

Neugebauer, D., Zhang, Y., Pakula, Tadeusz, Matyjaszewski, K.

A series of P[(HEMA-TMS)-co-PEOMA] graft copolymers with different amounts of incorporated macromonomer grafts were prepared by copolymerization of a PEO macromonomer (PEOMA, MWav = 1100 g/mol, DPPEO...

Lamellar ordering in computer-simulated block copolymer melts by a variety of thermal treatments (2003)

Banaszak, M., Woloszczuk, S., Jurga, S., Pakula, Tadeusz

A lattice computer simulation of a symmetric A-B-A triblock copolymer melt is reported. This melt is quenched, in simulation, from an athermal state to 39 different temperatures using cooperative...

Synthesis and solid state properties of novel fluorescent polyester star polymers (2003)

Klok, Harm-Anton, Becker, S., Schuch, F., Pakula, Tadeusz, Müllen, Klaus

Two novel tetra-and hexahydroxy functionalized perylene chromophores have been used as initiators for the Sn(OCt)(2) catalyzed ring-opening polymerization of different lactones. The arms of the...

The phase state of poly(butadiene-b-tert-butyl methacrylate) and poly(ethylene-b-tert-butyl methacrylate) diblock copolymers (2002)

Schipper,F. J. M., Floudas,G., Pispas,S., Hadjichristidis,N., Pakula,Tadeusz

We report on the phase state of two new diblock copolymer systems, poly(butadiene-b-tert-butyl methacrylate) (BBMA) and poly(ethylene-b-tert-butyl methacrylate) (EBMA). The EBMA system was...

Mechanical properties of electron beam cured monomer and monomer/liquid crystal films (2002)

Olivier,A., Pakula,Tadeusz, Ewen,Bernd, Coqueret,X., Benmouna,M., Maschke,U.

This article reports on mechanical properties of electron beam cured tripropylene glycol diacrylate (TPGDA) and propoxylated glycerol triacrylate (GPTA) films. This study has been motivated by the...

Computer simulation of structure and microphase separation in model A-B-A triblock copolymers (2002)

Banaszak,M., Woloszczuk,S., Pakula,Tadeusz, Jurga,S.

A set of computer simulations for three symmetric A-B-A triblock copolymer microarchitectures at varying temperatures is reported. By using the cooperative motion algorithm we obtain energy, specific...

Solid-state morphologies of linear and bottlebrush-shaped polystyrene-poly(Z-L-lysine) block copolymers (2002)

Schlaad,H., Kukula,H., Smarsly,B., Antonietti,M., Pakula,Tadeusz

The solid-state structures of polystyrene -poly(Z-L-lysine) block copolymers were examined with respect to the polymer architecture and the secondary structure of the polypeptide using circular...

Studies of polymer conformation and dynamics in two dimensions using simulations based on the Dynamic Lattice Liquid (DLL) model (2002)

Polanowski,P., Pakula,Tadeusz

The Dynamic Lattice Liquid (DLL) model has been implemented as a simulation algorithm for two-dimensional (2-D) polymeric systems. The model can work with density factor rho=1 and became a basis for...

Structure and dynamics in columnar discotic materials: A combined X-ray and solid-state NMR study of hexabenzocoronene derivatives (2002)

Fischbach,I., Pakula,Tadeusz, Minkin,P., Fechtenkötter,Andreas, Müllen,Klaus, Spiess,Hans Wolfgang, ...

The solid columnar discotic and liquid crystalline (LC) phases formed by alkyl-substituted hexabenzocoronene (HBC) mesogens have been investigated by a combination of X-ray scattering and a variety...

Fluorescent star-shaped polystyrenes: "Core-first" synthesis from perylene-based ATRP initiators and dynamic mechanical solid-state properties (2002)

Klok,Harm-Anton, Becker,S., Schuch,F., Pakula,Tadeusz, Müllen,Klaus

Full Paper: This paper describes the synthesis of two grovel tetra, 2-bromoisobutyric acid-substituted perylene fluorophores and their use as initiators for the atom transfer radical polymerization...

Are polymers suitable rock analogs? (2002)

Ten Grotenhuis,S. M., Piazolo,S., Pakula,Tadeusz, Passchier,C. W., Bons,P. D.

To evaluate if a polymer is suitable for analog modeling, it is essential to know the theological properties of the material. Polymers used in analog modeling exhibit a complex theological behavior;...

The phase structure and relaxation phenomena in blends of a poly(ether-ester) elastomer with a liquid crystalline polyester (Vectra) (2002)

Majszczyk,J., Roslaniec,Z., Pietkiewicz,D., Pakula,Tadeusz

Poly(ether-ester) (PEE) Elitel 4450 - liquid crystalline polyester (LCP) Vectra RD 501 blends extruded (L/D = 20, D = 19mm) with a homogenizing head at 225degreesC, were studied by differential...

Polarized light scattering and off-state transmission of electron-beam cured polymer dispersed liquid crystals (2002)

Mechernene,L., Leclercq,L., Ewen,Bernd, Pakula,Tadeusz, Benmouna,M., Coqueret,X., ...

Polarized Light Scattering (LS) experiments are performed on thin Electron-Beam (EB) cured polymer precursor/liquid crystal (LC) films. The polarized component I-vv is obtained for irradiated blends...

The phase structure and relaxation phenomena in blends of a poly(ether-ester) elastomer with a liquid crystalline polyester (Vectra) (2002)

Majszczyk, J., Roslaniec, Z., Pietkiewicz, D., Pakula, Tadeusz

Poly(ether-ester) (PEE) Elitel 4450 - liquid crystalline polyester (LCP) Vectra RD 501 blends extruded (L/D = 20, D = 19mm) with a homogenizing head at 225degreesC, were studied by differential...

Computer simulation of structure and microphase separation in model A-B-A triblock copolymers (2002)

Banaszak, M., Woloszczuk, S., Pakula, Tadeusz, Jurga, S.

A set of computer simulations for three symmetric A-B-A triblock copolymer microarchitectures at varying temperatures is reported. By using the cooperative motion algorithm we obtain energy, specific...

Mechanical properties of electron beam cured monomer and monomer/liquid crystal films (2002)

Olivier, A., Pakula, Tadeusz, Ewen, Bernd, Coqueret, X., Benmouna, M., Maschke, U.

This article reports on mechanical properties of electron beam cured tripropylene glycol diacrylate (TPGDA) and propoxylated glycerol triacrylate (GPTA) films. This study has been motivated by the...

The phase state of poly(butadiene-b-tert-butyl methacrylate) and poly(ethylene-b-tert-butyl methacrylate) diblock copolymers (2002)

Schipper, F. J. M., Floudas, G., Pispas, S., Hadjichristidis, N., Pakula, Tadeusz

We report on the phase state of two new diblock copolymer systems, poly(butadiene-b-tert-butyl methacrylate) (BBMA) and poly(ethylene-b-tert-butyl methacrylate) (EBMA). The EBMA system was...

Polarized light scattering and off-state transmission of electron-beam cured polymer dispersed liquid crystals (2002)

Mechernene, L., Leclercq, L., Ewen, Bernd, Pakula, Tadeusz, Benmouna, M., Coqueret, X., ...

Polarized Light Scattering (LS) experiments are performed on thin Electron-Beam (EB) cured polymer precursor/liquid crystal (LC) films. The polarized component I-vv is obtained for irradiated blends...

Solid-state morphologies of linear and bottlebrush-shaped polystyrene-poly(Z-L-lysine) block copolymers (2002)

Schlaad, H., Kukula, H., Smarsly, B., Antonietti, M., Pakula, Tadeusz

The solid-state structures of polystyrene -poly(Z-L-lysine) block copolymers were examined with respect to the polymer architecture and the secondary structure of the polypeptide using circular...

Studies of polymer conformation and dynamics in two dimensions using simulations based on the Dynamic Lattice Liquid (DLL) model (2002)

Polanowski, P., Pakula, Tadeusz

The Dynamic Lattice Liquid (DLL) model has been implemented as a simulation algorithm for two-dimensional (2-D) polymeric systems. The model can work with density factor rho=1 and became a basis for...

Fluorescent star-shaped polystyrenes: "Core-first" synthesis from perylene-based ATRP initiators and dynamic mechanical solid-state properties (2002)

Klok, Harm-Anton, Becker, S., Schuch, F., Pakula, Tadeusz, Müllen, Klaus

Full Paper: This paper describes the synthesis of two grovel tetra, 2-bromoisobutyric acid-substituted perylene fluorophores and their use as initiators for the atom transfer radical polymerization...

Structure and dynamics in columnar discotic materials: A combined X-ray and solid-state NMR study of hexabenzocoronene derivatives (2002)

Fischbach, I., Pakula, Tadeusz, Minkin, P., Fechtenkötter, Andreas, Müllen, Klaus, Spiess, Hans Wolfgang, ...

The solid columnar discotic and liquid crystalline (LC) phases formed by alkyl-substituted hexabenzocoronene (HBC) mesogens have been investigated by a combination of X-ray scattering and a variety...

Are polymers suitable rock analogs? (2002)

Ten Grotenhuis, S. M., Piazolo, S., Pakula, Tadeusz, Passchier, C. W., Bons, P. D.

To evaluate if a polymer is suitable for analog modeling, it is essential to know the theological properties of the material. Polymers used in analog modeling exhibit a complex theological behavior;...

Dielectric relaxation modeling in complex polymer systems (2001)

Pakula, Tadeusz

The dynamic Monte Carlo WO simulation using algorithms based on the cooperative motion algorithm (CMA) is presented in application to analysis of structure and dynamics of single complex...

Effect of Molecular Weight on Mechanical Behaviour of Segmented Polyurethanes (1995)

Ilavský, Michal, Fähnrich, Jaromír, Pakula, Tadeusz, Lantman, Christopher

The effect of molecular weight of polyurethanes on their dynamic mechanical and ultimate behaviour was investigated in wide frequency and temperature ranges. The polyurethanes were prepared from...