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7619036 Copolymers of fluorinated polydienes and sulfonated polystyrene  
Copolymers of fluorinated polydienes and sulfonated polystyrene and their use in fuel cell membranes, batteries, breathable chemical-biological protective materials, and templates for sol-gel...
7470742 Rubber composition for covering carcass cord and tire having carcass using same  
The present invention provides a rubber composition for covering a carcass cord, which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum...
7163988 Aromatic sulfonic acid ester derivative, polyarylene, polyarylene having sulfonic acid group and process for producing the same, and polymer solid electrolyte and proton-conductive membrane  
Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, —OSO 3 CH 3 ...
7160955 Sulfoxides or sulfones grafted onto polymers  
Polymers grafted with a compound of formula I, formula (I) wherein the general symbols are as defined in claim 1, have outstanding stability against oxidative, thermal, dynamic, light-induced...
7041745 Addition of polar polymer to improve tear strength and processing of silica filled rubber  
A vulcanizable rubber composition is provided that comprises an elastomer, a reinforcing filler comprising silica or a mixture thereof with carbon black, a silica dispersing aid comprising about...
6969737 Adhesion promoter for cord-reinforced rubber and metal or polymer substrate/rubber composites  
A rubber composition including a natural or synthetic rubber, and an adhesive resin capable of unexpected adhesion to metal, polymer and glass substrates, particularly cords in radical tires,...
6812277 Tire with component comprised of a blend of polybutadiene-rich rubber composition which contains a minor portion of styrene-rich styrene/isoprene elastomer  
Pneumatic rubber tire having at least one component or a rubber composition comprised of a major portion of relatively low Tg high cis 1,4-polybutadiene elastomer (BR) and a minor portion of a...
6806307 Synthesis and use of chain-coupled polymeric sulfide compounds in rubber formulations  
The invention provides chain-coupled polymeric sulfide compounds for use as the elastomeric component in vulcanizable elastomeric compositions comprising silica, carbon black or mixtures thereof....
6664319 Rubber compound for golf ball and golf ball  
A golf ball is provided that includes a molded resilient inner core made of a rubber compound and a polymeric cover surrounding the inner core. The rubber compound is a halo-butyl rubber polymer...
6610753 Process for preparing selective ion exchangers  
The present invention relates to a process for preparing selective ion exchangers based on crosslinked vinylaromatic polymers and containing iminoacetic acid units of the general formulas (I) and...
6590017 Processability of silica-reinforced rubber containing an amide compound  
The invention provides an amide compound as a processing aid to improve the dispersion of silica reinforcing filler in a rubber composition, while reducing or eliminating the use of expensive...
6579950 Rubber waste disposal apparatus and method of treating rubber waste  
A rubber waste disposal apparatus processing rubber waste such as an old tire efficiently includes a casing, a rubber waste deformation unit provided in the casing to subject rubber waste to...
6420489 Polymer bromination process in solution  
An improved process is provided for the bromination of isoolefin-conjugated diolefin polymers by brominating said polymer in solution in selected halogen-containing hydrocarbons as solvent. There...
6417285 Method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes  
The present invention provides a method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes, in which after polymerization, the copolymers are treated with...
6348545 Water-absorbing resin and manufacturing method  
A water-absorbing resin having superior water absorption properties, and a method for manufacturing the water-absorbing resin having superior water absorption properties in a short time, in which...
6114445 Hydrosilylation of polypropylene  
The hydrosilylation of terminal double bonds in polypropylene (PP) or other polymers is effected in the melt phase. The double bonds were created by peroxide initiated degradation of PP in an...
5916961 Amine-initiated elastomers having hysteresis reducing interaction with silica  
The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with a lithium amine initiator and,...
5866650 Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof  
The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with a lithium amine initiator and,...
5844049 Sulfur-vulcanized rubber compositions comprising substituted succinimide compounds  
Rubber compositions are provided having improved physical properties. More particularly, the present invention relates to sulfur-vulcanized rubber compositions which are vulcanized in the presence...
5814709 Process for hydrogenation on conjugataed diene polymers and catalyst composition suitable for use therein  
The invention provides a catalyst composition suitable for hydrogenation of polymers containing ethylenic unsaturation, which comprise: (a) a titanium compound of the formula, ##STR1## wherein A...
5717038 Tire treads with increased tread life, and method of manufacturing same  
A tire tread made for polydiene rubber crosslinked with 1,2-bis(N,N-dibenzylthiocarbamoyldisulfido)ethane and method of producing the same.
5652310 Rubbers having improved interaction with silica  
The subject invention discloses a process for modifying a rubbery polymer to improve silica interaction which comprises the steps of: (1) metallating the rubbery polymer with lithium by reacting...
5569723 Process for the bromination of alkyl rubbers  
C 4 -C 16 alkyl rubbers are brominated by reacting the alkyl rubbers with bromine in the presence of organic azo compounds and/or alkali metal and/or alkaline earth metal hypochlorites and in the...
5357002 Polymer containing chelating groups, process for preparing it and its use in water purification  
Water insoluble polymers containing hydrophilic pendant moieties ending with a chelating group are disclosed. The polymers are useful in the purification of water polluted by heavy metals such as...
5317057 (Halomethyl vinyl arene)-modified elastomers and compositions containing them having reduced hysteresis properties  
A (halomethyl arene)-modified elastomer is made by reacting a lithium terminated elastomer intermediate with the halogen atoms of a halomethyl vinyl arene compound. A road-contacting tread...
5317062 Styrene-isoprene-butadiene rubber  
The subject invention discloses a styrene-isoprene-butadiene rubber which is particularly valuable for use in making truck tire treads, said rubber being comprised of repeat units which are derived...
5302635 Method and arrangement for the single-stage continuous production of a rubber base compound and a rubber end compound  
The invention is directed to a method and an arrangement continuously producing a rubber base compound and a rubber end compound in a single stage for vehicle tires, drive belts, conveyor belts as...
5239010 Sulfonated block copolymers  
A thermoplastic polymer which possesses excellent mechanical properties at both room and elevated temperatures is obtained by reacting an acyl sulfate with a block copolymer composed of at least...
5034468 N-halothiosulfonamide modified rubber products  
N-halothiosulfonamide-modified rubber products are provided. The modified rubber products are prepared by reaction of a rubber, such as a butyl rubber or a halogenated butyl rubber, with a...
5010142 Rubber compositions for tire inner liners  
Rubber compositions are disclosed for use as inner liners in automobile tires. Sulfur-vulcanizable, halogenated butyl rubbers are combined with 2-(4'-morpholinodithio)benzothiazole, whereby the...
4833205 Polymeric materials having controlled physical properties  
Ground polymeric elastomer or other polymeric plastic, particularly from recovered scrap, is surface modified by treatment with a gaseous mixture containing a minor amount of fluorine and a larger...
4764565 Rubber with nickel dithiocarbates  
Adhesiveness of a halogenated butyl rubber is improved by blending with it from 5 to 20 weight parts of nickel dithiocarbamate, such as nickel butyl- or diethyldithiocarbamate, per 100 weight parts...
4650828 Molding composition containing functionalized thermoplastic rubber and method  
A thermoplastic molding composition which comprises a blend of: (A) a copolymer having recurring units of a monoalkenyl aromatic monomer and recurring units of an α,β-ethylenically unsaturated...
4619974 Perfluoroalkyl substituted polymers  
Perfluoroalkyl alkylene substituted polydienes are described which are obtained by addition of perfluoroalkyl-alkylene thiols to polydienes and which are useful as hard, oil- and water repellent...
4543395 Terminally functional polymers  
The alkyllithium initiated preparation of terminally functional polymers in high yield is accomplished by first capping a macromolecular polymer with an alkylene sulfide prior to terminating the...
4519431 Styrene-butadiene copolymers with high styrene content  
A styrene-butadiene copolymer having a high styrene content is disclosed, which is obtained by polymerizing styrene and butadiene in a hydrocarbon solvent in the presence of an organolithium...
4380609 Prevulcanization inhibitors of thio-triazine-amines for rubber  
Vulcanizable rubber compositions are described which are inhibited from premature vulcanization by thio-substituted-1,3,5-triazine-diamine or -triamine.
4357446 Curable composition of halogen-containing polymer  
A curable composition of a halogen-containing polymer composed of (1) 100 parts by weight of a halogen-containing polymer, (2) as a crosslinking agent, about 0.1 to about 10 parts by weight...
4317265 Electrically conductive elastomers  
Electrically conductive elastomers are prepared by adding polyfunctional tertiary amine compounds to halogenated polymers. The resulting elastomers have resistivities in the range that makes them...
4278778 Synergistic prevulcanization inhibitor for halopolymer with diaminopropane and cyclohexylthiophthalimide  
Scorch safety and shelf-life of a heat-curable composition including a chlorine- or bromine-containing halopolymer such as chlorinated polyethylene; a 1,3-diaminopropane or salt thereof; a sulfur...
4277579 Increasing the molecular weight of a chlorinated polymer of ethylene by treatment with a sulfur compound either before or during chlorination of said polymer  
The molecular weight of chlorine containing elastomers are increased by adding sulphur compounds before or during the chlorination of elastomers.
4234705 Curable composition of halogen-containing polymer and crosslinking agent therefor  
A curable composition consisting essentially of (1) 100 parts by weight of a halogen-containing polymer, (2) 0.1 to 10 parts by weight of a 3,5-dimercapto-1,2,4-triazole compound defined in...
4202952 Method of vulcanizing bromobutyl rubber with amino acids  
A vulcanizable composition comprising a bromobutyl rubber and a specific amino acid.
4146689 Vulcanizable compositions of bromobutyl rubber and amino acids  
A vulcanizable composition comprising a bromobutyl rubber and a specific amino acid.
4136136 Graft copolymers of hydrocarbons and small ring heterocyclic compounds and process for the preparation thereof  
Disclosed are novel graft copolymers comprising hydrocarbon backbones and polymerized small ring heterocyclic compounds. The backbones are devoid of O, N or S in the main chain and include SBR,...
4128510 Vulcanizing halogen-containing polymers  
Halogen-containing polymers can be crosslinked by heating with certain derivatives of 2,5-dimercapto-1,3,4-thiadiazole, such as the monobenzoate derivative, and a basic material to produce useful...
4091195 Hot-melt adhesive compound and method for the production of the same  
A hot-melt adhesive produced from a number of polymers which have been at least partially cross-linked and which may be applied to a suitable carrier as a melt.
3960822 Crosslinking polymers with chloronitroso compounds  
Organic polymers are crosslinked with polyfunctional chloronitroso containing compounds.
3960821 Chloronitrosylated, chlorosulfonated hydrocarbon polymers and a process for the preparation thereof  
Hydrocarbon polymers which have been chloronitrosylated and chlorosulfonated to introduce nitrogen and sulfur containing polar groups into the polymer or composites of chlorosulfonated and...
3919131 Perhalogenated co-butyl rubber  
Disclosed is a perhalogenated butyl rubber prepared by halogenating a butyl rubber having conjugated double bonds, a major portion of which are in the linear backbone. Also disclosed is a method...
Matches 1 - 50 out of 83 1 2 >