CS Lal, V Kumar, A Ranjan, VNR Das, N Kumar, K Kishore, ...
The manuscript describes a study on the blood cholinesterase (ChE) level in an exposed population at different interval of time after spraying with malathion suspension (SRES) use for kala-azar...
Lal,CS, Kumar,V, Ranjan,A, Das,VNR, Kumar,N, Kishore,K, ...
The manuscript describes a study on the blood cholinesterase (ChE) level in an exposed population at different interval of time after spraying with malathion suspension (SRES) use for kala-azar...
Lal, C.S., Kumar, V., Ranjan, A., Das, V.N.R., Kumar, N., Kishore, K., ...
The manuscript describes a study on the blood cholinesterase (ChE) level in an exposed population at different interval of time after spraying with malathion suspension (SRES) use for kala-azar...
Hydrolytic Degradation Studies on Poly(Phosphate Ester)s (2002)
Eight poly(phosphate ester)s comprising five homopolymers (polymers I–V), two copolymers (polymers VI and VII), and one terpolymer (polymer VIII) were synthesized by interfacial polycondensation of...
Hydrolytic Degradation Studies on Poly(Phosphate Ester)s (2002)
Eight poly(phosphate ester)s comprising five homopolymers (polymers I–V), two copolymers (polymers VI and VII), and one terpolymer (polymer VIII) were synthesized by interfacial polycondensation of...
Jayaseharan, J, Nanda, AK, Kishore, K
Vinyl polyperoxides degrade through two competing reactions, they pyrolyze unimolecularly through a chain unzipping process but they photolyze mainly through a disproportionation mechanism involving...
Oxidative Metamorphosis of Poly(Styrenedisulfide) Backbone (2000)
Latha, R, Ganesh, K, Kishore, K
This is the first report on the oxidation of a disulfide polymer, viz., poly(styrenedisulfide) (PSD). Oxidation was performed using $KMnO_4$ and $KHSO_4$, which are strong and mild oxidizing agents,...
Primary Pyrolysis Products of Hydroxy-Terminated Polybutadiene (2000)
Ganesh, K, Sundarrajan, S, Kishore, K, Ninan, KN, George, B, Surianarayanan, M
This is the first report on the analysis of primary degradation products of a widely used commercial propellant binder, viz. hydroxy-terminated polybutadiene (HTPB), which has been carried out by...
Oxidative Metamorphosis of Poly(Styrenedisulfide) Backbone (2000)
Latha, R, Ganesh, K, Kishore, K
This is the first report on the oxidation of a disulfide polymer, viz., poly(styrenedisulfide) (PSD). Oxidation was performed using $KMnO_4$ and $KHSO_4$, which are strong and mild oxidizing agents,...
Jayaseharan, J, Nanda, AK, Kishore, K
Vinyl polyperoxides degrade through two competing reactions, they pyrolyze unimolecularly through a chain unzipping process but they photolyze mainly through a disproportionation mechanism involving...
First report on a semicrystalline vinyl polyperoxide (1999)
Jayaseharan, J, Kishore, K, Nalini, G, Gururow, TN
Vinyl polyperoxides constitute a narrow but important class of polymers because they show several novel physicochemical properties. Having a highly flexible backbone, they are also highly viscous...
First report on a semicrystalline vinyl polyperoxide (1999)
Jayaseharan, J, Kishore, K, Nalini, G, Gururow, TN
Vinyl polyperoxides constitute a narrow but important class of polymers because they show several novel physicochemical properties. Having a highly flexible backbone, they are also highly viscous...
Application of Polystyrene Peroxide as a Curative in Coating and Molding Compositions (1997)
An attempt has been made to demonstrate the applicability of poly(styrene peroxide) (PSP) as a curative in coating and molding compositions and to compare it with a conventional curative benzoyl...
Murthy, Shanmugananda K, Kishore, K
Poly(styrene peroxide) (PSP), an alternating copolymer of oxygen and styrene, has been used as an initiator for the radical polymerizations of methyl methacrylate and styrene. Thermal decomposition...
Murthy, Shanmugananda K, Kishore, K
Poly(styrene peroxide) (PSP), an alternating copolymer of oxygen and styrene, has been used as an initiator for the radical polymerizations of methyl methacrylate and styrene. Thermal decomposition...
Application of Polystyrene Peroxide as a Curative in Coating and Molding Compositions (1997)
An attempt has been made to demonstrate the applicability of poly(styrene peroxide) (PSP) as a curative in coating and molding compositions and to compare it with a conventional curative benzoyl...
Miscibility of poly(vinyl chloride) and poly(phenyl methacrylate) (1996)
The phase behaviour of poly(vinyl chloride)/poly(phenyl methacrylate) blends has been investigated by glass transition temperature $(T_g)$ and proton spin lattice relaxation time $(T_1\rho(^1H))$...
Miscibility of poly(vinyl chloride) and poly(phenyl methacrylate) (1996)
The phase behaviour of poly(vinyl chloride)/poly(phenyl methacrylate) blends has been investigated by glass transition temperature $(T_g)$ and proton spin lattice relaxation time $(T_1\rho(^1H))$...
Studies on model oligosulfides to understand polysulfide polymers (1995)
1-bromo- 1-phenylethane was reacted with aqueous sodium disulfide or sodium tetrasulfide to form the 1-phenylethyl polysulfides of sulfur rank 2 or 4 respectively. The distribution of the...
Kannan, P, Umamaheshwari, N, Kishore, K
Two series of new flame-retardant polyaryl phosphoramide esters were synthesized by low-temperature solution polycondensation from arylphosphorodichlorides with...
Studies on model oligosulfides to understand polysulfide polymers (1995)
1-bromo- 1-phenylethane was reacted with aqueous sodium disulfide or sodium tetrasulfide to form the 1-phenylethyl polysulfides of sulfur rank 2 or 4 respectively. The distribution of the...
Kannan, P, Umamaheshwari, N, Kishore, K
Two series of new flame-retardant polyaryl phosphoramide esters were synthesized by low-temperature solution polycondensation from arylphosphorodichlorides with...
Entropy catastrophe and configurational entropies in supercooled and superheated regimes (1994)
Utilizing the well known Kauzmann’s entropy catastrophe paradox, we have developed simple thermodynamic expressions for calculating the Kauzmann’s temperatures in the supercooled liquid...
Entropy catastrophe and configurational entropies in supercooled and superheated regimes (1994)
Utilizing the well known Kauzmann’s entropy catastrophe paradox, we have developed simple thermodynamic expressions for calculating the Kauzmann’s temperatures in the supercooled liquid...
Polyphosphoramido sulfides: a new class of flame retardant for HTPB (1993)
Polyphosphoramido sulfides were synthesized and their thermal and flammability characteristics were evaluated. These polymers were used as flame retardants for hydroxyl terminated polybutadiene...
Thermal transitions in liquid crystalline polymers (1993)
Phase transition temps. were detd. for thermotropic liq.-cryst. polymers photocrosslinkable via a 2,6-dibenzylidenecyclohexanone group in the main or side chains. DSC and UV spectral data for...
Polyphosphoramido sulfides: a new class of flame retardant for HTPB (1993)
Polyphosphoramido sulfides were synthesized and their thermal and flammability characteristics were evaluated. These polymers were used as flame retardants for hydroxyl terminated polybutadiene...
Thermal transitions in liquid crystalline polymers (1993)
Phase transition temps. were detd. for thermotropic liq.-cryst. polymers photocrosslinkable via a 2,6-dibenzylidenecyclohexanone group in the main or side chains. DSC and UV spectral data for...
This is the first comprehensive report on the influence of structure and molecular weight of long-chain esters on their plasticization behavior with PVC. Below a molecular weight of 550, there is a...
Novel flame retardant polyphosphoramide esters (1992)
Several new polyphosphoramide esters have been synthesized by solution polycondensation of N,N′-bis(p-chloroformylphenyl)N″-phenyl phosphoric triamide with various aromatic diols. The polymers...
This is the first comprehensive report on the influence of structure and molecular weight of long-chain esters on their plasticization behavior with PVC. Below a molecular weight of 550, there is a...
Novel flame retardant polyphosphoramide esters (1992)
Several new polyphosphoramide esters have been synthesized by solution polycondensation of N,N′-bis(p-chloroformylphenyl)N″-phenyl phosphoric triamide with various aromatic diols. The polymers...
Several new polyamidophosphate esters were synthesized by the solution polycondensation of aromatic diols with N-aryl phosphoramidic dichlorides. The polymers were characterized by the IR and$^...
The tetrahedral cobalt(II) complexes A-D are found to possess an unusual coordinately unsaturated nature. These additives significantly inhibit the thermal polymerization of acrylamide and further,...
Synthesis, characterization and reactivity of polymeric peroxides (1990)
Polymeric peroxides constitute an important class of compounds. There are two main groups of these materials: (i) those formed from vinyl monomers and oxygen, and (ii) those formed from aldehydes and...
Several new polyamidophosphate esters were synthesized by the solution polycondensation of aromatic diols with N-aryl phosphoramidic dichlorides. The polymers were characterized by the IR and$^...
Poly(phosphate esters) were synthesized from phenolphthalein and aryl phosphorodichloridates by interfacial polycondensation using a phase-transfer catalyst. The polymers were characterized by IR,...
The tetrahedral cobalt(II) complexes A-D are found to possess an unusual coordinately unsaturated nature. These additives significantly inhibit the thermal polymerization of acrylamide and further,...
Synthesis, characterization and reactivity of polymeric peroxides (1990)
Polymeric peroxides constitute an important class of compounds. There are two main groups of these materials: (i) those formed from vinyl monomers and oxygen, and (ii) those formed from aldehydes and...
Poly(phosphate esters) were synthesized from phenolphthalein and aryl phosphorodichloridates by interfacial polycondensation using a phase-transfer catalyst. The polymers were characterized by IR,...
Effect of metal salicylates on the ignition and combustion of polystyrene (1989)
The effect of transition metal salicylates of Co, Ni, Mn and Fe on the ignition and combustion of polystyrene has been studied. Co and Ni salicylates have four molecules of $H_2O$ as water of...
Poly(vinylnaphthalene peroxide)s: Syntheses, Characterization, and Thermal Reactivity (1989)
Three new polymeric peroxides based on vinyl and substituted vinylnaphthalenes have been synthesized and characterized. The thermal reactivity of these polymers was studied by DSC and PGC. The...
Effect of fire-retardant additives on the time-resolved processes of polymer combustion (1989)
The effect of various inorganic and organic additives on various time-resolved processes (e.g. degradation, ignition, burning rate and quenching) in the combustion of polystyrene has been examined....
Effect of metal salicylates on the ignition and combustion of polystyrene (1989)
The effect of transition metal salicylates of Co, Ni, Mn and Fe on the ignition and combustion of polystyrene has been studied. Co and Ni salicylates have four molecules of $H_2O$ as water of...
Synthesis and properties of flame retardant polyphosphate esters - a review (1989)
A review with 109 refs. discussed the synthesis, flame-retardant and plasticizing properties, and potential uses of phosphoric acid polyesters. They were prepd. by polycondensation of diols or...
Poly(vinylnaphthalene peroxide)s: Syntheses, Characterization, and Thermal Reactivity (1989)
Three new polymeric peroxides based on vinyl and substituted vinylnaphthalenes have been synthesized and characterized. The thermal reactivity of these polymers was studied by DSC and PGC. The...
Effect of fire-retardant additives on the time-resolved processes of polymer combustion (1989)
The effect of various inorganic and organic additives on various time-resolved processes (e.g. degradation, ignition, burning rate and quenching) in the combustion of polystyrene has been examined....
Synthesis and properties of flame retardant polyphosphate esters - a review (1989)
A review with 109 refs. discussed the synthesis, flame-retardant and plasticizing properties, and potential uses of phosphoric acid polyesters. They were prepd. by polycondensation of diols or...
Effect of Oxygen on the Polymerization of Acrylamide (1988)
Oxygen commonly plays a vital role during the degradation and polymerization of vinyl compounds. While many studies have been done in the former case, there are only a few reports on its role in the...
Effect of Oxygen on the Polymerization of Acrylamide (1988)
Oxygen commonly plays a vital role during the degradation and polymerization of vinyl compounds. While many studies have been done in the former case, there are only a few reports on its role in the...
$^{13}C and ^1H$ NMR study of N-5'-methylsalicylideneanilines (1987)
Kishore, K, Sathyanarayana, DN, Bhanu, VA
The $^{13}C and ^1H$ NMR spectra of six N-5'-methylsalicylideneanilines have been studied. Correlations of the chem. shifts of C-\alpha (azomethine carbon) and C-4' with the \sigma, F, R, \sigma 1...
Raja, VS, Kishore, K, Ranganathan, S
DSC, x-ray diffraction, and TEM were used to det. the thermal stability and identify the cryst. phases on devitrification of Metglas 2826 MB. The glass crystallizes into \gamma-FeNiMo and fcc....
Studies on the pyrolysis of composite solid propellants leading to ignition (1987)
Studies on the pyrolysis leading to ignition of polystyrene-$NH_4ClO_4$, PVC-$NH_4ClO_4$, and polyphenol-formaldehyde-$NH_4ClO_4$ propellants reveals that the activation energy of ignition depends...
Polymer Combustion: A Review (1987)
A review with 129 references on the chemical and products of polymer combustion as well as combustion modeling.
Kishore, K, Dharumaraj, Varghese G, Rajalingam, P
Curing reactions of a new crosslinking agent, 1,3,5-tris(2-methylaziridinyl-1-methyl)benzene (TRIMAM) with carboxylterminated polybutadiene have been studied by dynamic differential thermal analysis...
$^{13}C and ^1H$ NMR study of N-5'-methylsalicylideneanilines (1987)
Kishore, K, Sathyanarayana, DN, Bhanu, VA
The $^{13}C and ^1H$ NMR spectra of six N-5'-methylsalicylideneanilines have been studied. Correlations of the chem. shifts of C-\alpha (azomethine carbon) and C-4' with the \sigma, F, R, \sigma 1...
Raja, VS, Kishore, K, Ranganathan, S
DSC, x-ray diffraction, and TEM were used to det. the thermal stability and identify the cryst. phases on devitrification of Metglas 2826 MB. The glass crystallizes into \gamma-FeNiMo and fcc....
Studies on the pyrolysis of composite solid propellants leading to ignition (1987)
Studies on the pyrolysis leading to ignition of polystyrene-$NH_4ClO_4$, PVC-$NH_4ClO_4$, and polyphenol-formaldehyde-$NH_4ClO_4$ propellants reveals that the activation energy of ignition depends...
Polymer Combustion: A Review (1987)
A review with 129 references on the chemical and products of polymer combustion as well as combustion modeling.
Kishore, K, Dharumaraj, Varghese G, Rajalingam, P
Curing reactions of a new crosslinking agent, 1,3,5-tris(2-methylaziridinyl-1-methyl)benzene (TRIMAM) with carboxylterminated polybutadiene have been studied by dynamic differential thermal analysis...
Poly(styrene peroxide): an auto-combustible polymer fuel (1986)
Commonly, polymers exhibit extremely slow, candle-like burning, although oxidizers can increase the rate of combustion, as in solid propellants. Polymer degradation occurs before combustion, and...
Crystallization and Melting Behavior of Isotactic Polybutene-1 at High Pressures (1986)
An equation has been developed for the study of the kinetics of polymer crystallization at high pressures using differential scanning calorimetry (DSC) in the dynamic mode of operation. The...
Ammonium perchlorate (AP: 70-85 wt%) and carboxy or hydroxy terminated polybutadiene (CTPB or HTPB: 15-20 wt%) constitute the major ingredients of commonly-used composite solid propellant systems....
Kishore, K, Begum, A Sameena, Sankaralingam, S
Calorimetric value and ignition temp. of carboxy-terminated polybutadiene$/NH_4ClO_4$ propellant decrease during accelerated aging. The behavior is attributed to binder loss and condensed phase...
Kishore, K, Dharumaraj, GV, Gayathri, V
The effect of triethanolamine [102-71-6] and benzaldehyde [100-52-7] on the stability of polystyrene [9003-53-6] was studied by dynamic thermogravimetry (TG). Slower decompn. of polymer in the...
Poly(styrene peroxide): an auto-combustible polymer fuel (1986)
Commonly, polymers exhibit extremely slow, candle-like burning, although oxidizers can increase the rate of combustion, as in solid propellants. Polymer degradation occurs before combustion, and...
Crystallization and Melting Behavior of Isotactic Polybutene-1 at High Pressures (1986)
An equation has been developed for the study of the kinetics of polymer crystallization at high pressures using differential scanning calorimetry (DSC) in the dynamic mode of operation. The...
Ammonium perchlorate (AP: 70-85 wt%) and carboxy or hydroxy terminated polybutadiene (CTPB or HTPB: 15-20 wt%) constitute the major ingredients of commonly-used composite solid propellant systems....
Kishore, K, Begum, A Sameena, Sankaralingam, S
Calorimetric value and ignition temp. of carboxy-terminated polybutadiene$/NH_4ClO_4$ propellant decrease during accelerated aging. The behavior is attributed to binder loss and condensed phase...
Kishore, K, Dharumaraj, GV, Gayathri, V
The effect of triethanolamine [102-71-6] and benzaldehyde [100-52-7] on the stability of polystyrene [9003-53-6] was studied by dynamic thermogravimetry (TG). Slower decompn. of polymer in the...
Mechanistic Studies on Self Deflagrating Solids from temperature profile analysis (1985)
Kishore, K, Patil, KC, Gajapathi, D
A preliminary investigation has been made to study the mechanism of decomposition of self deflagrating solid (iron oxalate dihydrazinate) using temperature profile technique. A three step...
Effect of Pressure on the Ignition of Ammonium Perchlorate (1985)
Effect of Pressure on the Ignition of Ammonium Perchlorate
Maximum Degradation Rates in Vinyl Polymers (1985)
The thermal and thermwxidative degradation of thermoplastic vinyl polymers has been studied extensively. However, there are several features which are either controversial or not understood clearly....
Mechanistic Studies on Self Deflagrating Solids from temperature profile analysis (1985)
Kishore, K, Patil, KC, Gajapathi, D
A preliminary investigation has been made to study the mechanism of decomposition of self deflagrating solid (iron oxalate dihydrazinate) using temperature profile technique. A three step...
Effect of Pressure on the Ignition of Ammonium Perchlorate (1985)
Effect of Pressure on the Ignition of Ammonium Perchlorate
Maximum Degradation Rates in Vinyl Polymers (1985)
The thermal and thermwxidative degradation of thermoplastic vinyl polymers has been studied extensively. However, there are several features which are either controversial or not understood clearly....
Some Observations on the Thermal Stability of double-base Propellants (1984)
Kishore, K, Verneker, Pai VR, Subhas, CBV
Heats of decomposition and explosion of double base propellants were measured as a function of aging time. They show opposite trends with aging time: heat of decomposition shows a gradual increase...
Kinetic analysis of the data on the effect of humidity on the stability (1984)
The effect of temperature and humidity on polymer aging is well recognized. Gardner and Martin and Kelleher, et al., have collected extensive data on the effect of temperature and humidity during the...
Effect of Transition Metal Salicylates on the Degradation of Poly(styrene Peroxide) (1984)
Kishore, K, Ravindran, K, Nagarajan, R
Effect of Transition Metal Salicylates on the Degradation of Poly(styrene Peroxide)