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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...
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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...
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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 ...
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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...
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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...
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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,...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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,...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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.
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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...
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4202952 |
Method of vulcanizing bromobutyl rubber with amino acids
A vulcanizable composition comprising a bromobutyl rubber and a specific amino acid.
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4146689 |
Vulcanizable compositions of bromobutyl rubber and amino acids
A vulcanizable composition comprising a bromobutyl rubber and a specific amino acid.
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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,...
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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...
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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.
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3960822 |
Crosslinking polymers with chloronitroso compounds
Organic polymers are crosslinked with polyfunctional chloronitroso containing compounds.
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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...
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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...
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