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7622531 Powder paint composition  
The present invention relates to a powder paint composition comprising at least (a) a thermosetting polymer having functional groups capable of reacting with β-hydroxyalkylamide units (b) a...
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...
7612147 Dendrimers of rubbery polymers  
This invention discloses a process for synthesizing a dendrimer of a rubbery polymer comprising: (a) reacting a lithium terminated rubbery polymer with a halogenated silicon containing compound to...
7534839 Sequentially terminated elastomers  
Anionically-polymerized living polymers are sequentially functionalized with certain agents X′ and Y′. A method of preparing a functionalized polymer comprising the steps of reacting the...
7491773 Halogenated polymers with new sequence distributions  
The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel halogenated polymers with new sequence distributions. In...
7446151 Process for production of high-isoprene butyl rubber  
The present invention relates to a continuous process for producing polymers at conversions ranging from 50% to 95% having a Mooney viscosity of at least 25 Mooney-units and a gel content of less...
7427651 Process for producing conjugated diene copolymer rubber  
A process for producing a conjugated diene copolymer rubber which comprises initiating a copolymerization reaction in a reaction system containing a first conjugated diene compound and a first...
7402542 Construction material  
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic is applied as a slurry which includes one or more of a metal oxide or a...
7335706 Method of making alkoxy functionalized rubbery polymers  
The present invention is directed to a method for synthesizing rubbery copolymers, such as styrene-butadiene rubber, or rubbery homopolymers, such as polybutadiene rubber, that are alkoxy...
7312171 Method of binding structural material  
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic. The ceramic is applied as a slurry which includes one or more of a metal...
7279531 Rubbery polymers containing tin coupling agents and rubber compounds including the same  
The present invention is directed to rubbery polymers, such as polybutadiene rubber or styrene-butadiene rubber, that contain tin coupling agents and provide desirable dispersion of carbon black in...
7151147 Method for producing polymers using conjugated dienes and vinyl aromatic compounds, polymers produced according to said method and use thereof  
This invention relates to a process for producing polymerisates by anionic polymerization in an inert reaction medium using conjugated dienes and vinylaromatic compounds in the presence of a...
7151140 Preparation method of diene copolymer having improved rolling resistance and wet traction  
The present invention provides a method for preparing a copolymer useful for the manufacture of tires by coupling the ends of a living polymer, obtained from copolymerization of a diene monomers in...
7144962 Method for surface treatment of rubber process for production of rubber articles, rubber compositions, rubber molding, and process for production thereof  
A method for the surface treatment of rubber, a process for production of a rubber article, and a rubber composition wherein a structure derived from a fluorine compound containing a fluoroalkyl at...
7001860 Construction material and method  
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic. The ceramic is applied as a slurry which includes one or more of a metal...
6927269 Functionalized elastomers  
This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having...
6897262 Scavenger resin and processes for the use thereof  
Scavenger resins comprising pendant groups specific for the removal of primary amines form solution in the presence of secondary amines are provided. Processes for the use of these scavenger...
6872783 Method of preparation of coupled branched and linear polymer compositions  
A continuous process for manufacture of a polymer including branched and linear components comprising first polymerizing conjugated diene(s) in the presence of an organometallic initiator to 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....
6750296 Polymer material with stable non-wetting surface  
The present invention provides block copolymers with semifluorinated LC side groups (single or monodendron groups). The block copolymers can be blended with a thermoplastic elastomer block...
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...
6602960 Polymers and copolymers prepared or modified by using cobalt complexes  
A polymerization process comprising the steps of admixing a halogen-containing compound, monomer, and a cobalt complex.
6583244 Synthesis of rubber having a low vinyl content  
Metal salts of cyclic alcohols can be used as modifiers in lithium initiated solution polymerizations of diene monomers into rubbery polymers having a low vinyl content. For instance, such...
6462142 Processes for improved surface properties incorporating compressive heating of reactive gases  
An apparatus and method are used to modify the surface chemistry of an article. The article to be surface treated has at least a surface region that includes at least one polymer. The method...
6433101 Fluorinated polymers and methods for their preparation  
The present invention relates to the post-polymerization fluorination methods of polymers produced via ring-opening metathesis polymerization. Unlike prior art methods that result in low product...
6333385 Method to produce flame retardant styrenic polymers and product produced thereby  
Disclosed is a process for producing thermally stabilized styrenic polymers and products produced thereby wherein a pre-formed styrenic polymer is functionalized with a bifunctional...
6313216 Synthesis of styrene-isoprene rubber  
This invention discloses a process for synthesizing random styrene-isoprene rubber comprising: (1) continuously charging isoprene, styrene, an initiator, and a solvent into a first polymerization...
6277924 Solid golf ball  
The present invention provides a solid golf ball which attains long flying distance and is superior in hit feeling and durability. The present invention provides a solid golf ball in which at least...
6197891 Functionalized chain extended initiators for anionic polymerization  
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M--Q n --Z--O--[A(R 1 R 2 R 3 )] wherein M is an alkali metal...
6133388 Process for preparing styrene-butadiene rubber or butadiene rubber by solution polymerization  
This invention relates to a process for preparing styrene-butadiene rubber or butadiene rubber with both ends of the polymer chain modified by solution polymerization, wherein styrene-butadiene...
6114467 Semifluorinated acid halides and fluorinated polymers produced therefrom  
Compounds having the formula F(CF 2 ) q --(CH 2 ) p -1 --COX' wherein q ranges from 6-15, p ranges from 3-15 and X' is halogen are useful as reactants for hydroxylated block copolymers or...
6084025 Reduced hysteresis products prepared with anionic polymerization initiators  
A functionalized polymer prepared by a process comprising the steps of preparing a solution of a cyclic amine compound, an organolithium compound, and from 3 to about 300 equivalents, based upon...
6071459 Process of making metathesis polymerized olefin articles containing flame-retarding agents  
A metathesis polymerized polyolefin article is provided which includes a flame-retarding agent. The method of making the article includes polymerizing an olefin monomer via a metathesis...
5985995 Process for producing hydrogenated rubbers  
Process for producing hydrogenated rubbers which allows an easy and effective deactivation of the living polymer before the hydrogenation step. The deactivation of living polymer is carried out...
5959048 Soluble anionic polymerization initiators for preparing functionalized polymer  
An acyclic alkane soluble anionic polymerization initiator includes a mixture of from about 90 to about 10 parts by weight of a lithio amine having the general formula A 1 Li and from about 10 to...
5936029 Macrocyclic polymers having low hysteresis compounded properties  
The present invention provides a method of anionic synthesis of stable macrocyclic polymers that are compounded to form vulcanizable elastomeric compounds exhibiting reduced hysteresis properties....
5916957 Rubber compositions for tire tread  
A rubber composition for tire tread has a considerably improved rolling resistance without degrading wet-skid resistance, fracture resistance and wear resistance and comprises a particular...
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,...
5907017 Semifluorinated side chain-containing polymers  
Fluorinated polymers for use per se or in a blend with compatible homopolymer or copolymer which is not fluorinated, for providing a low surface energy (anti-stick, non-wetting, low friction)...
5886106 Halogenated butyl rubbers having a low halogen content  
New halogenated butyl rubbers, which have a defined content of halogen, a defined content of non-halogenated double bonds and a defined content of antiagglomeration/vulcanization control agents,...
5877336 Synthesis of tributyltin lithium  
Triorgano substituted-tin lithium initiators are made in a dimethyl ether solvent. The substitution of dimethyl ether as the solvent for the traditional tetrahydrofuran solvent results in an...
5872190 Surface treatment of rubbers and rubber-based materials  
A method of increasing the adhesion of a rubber (as hereinbefore defined) or rubber-based material which includes treating at least part of the surface of the rubber or rubber-based material with a...
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,...
5847055 Polymer-containing catalyst systems  
A catalyst system of the formula I X M (Z 1 ) z s (Z 2 ) z s (Z 3 ) z s I where X is C 1 -C 10 -alkyl, 5- to 7-membered cycloalkyl, C 1 -C 10 -alkoxy, C 6 -C 15 -aryl or a compound of...
5827929 Functionalized initiators for anionic polymerization  
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M--Z--O--C(R 1 R 2 R 3 ) wherein M is an alkali metal; Z is a...
5792815 Functionalized polymer produced with functionalized initiators by anionic polymerization  
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M--Z--O--C(R 1 R 2 R 3 ) wherein M is an alkali metal; Z is a...
5723533 Soluble anionic polymerization initiators and products therefrom  
An acyclic alkane soluble anionic polymerization initiator includes a mixture of from about 90 to about 10 parts by weight of a lithio amine having the general formula A 1 Li and from about 10 to...
5717043 Process for preparing a polymer using lithium initiator prepared by in situ preparation  
In a polymerization process of at least one of monomers selected from the group consisting of conjugated diene compounds such as butadiene and vinylaromatic compounds such as styrene, an...
5700888 Synthesis of macrocyclic polymers having low hysteresis compounded properties  
The present invention provides a method of anionic synthesis of stable macrocyclic polymers that are compounded to form vulcanizable elastomeric compounds exhibiting reduced hysteresis properties....
5698646 Process for producing elastomeric compound having reduced hysteresis  
The present invention is directed toward anionic polymerization employing lithio aldimines mixed with an organic alkali metal compound and optionally, a chelating reagent. The lithio aldimines have...
Matches 1 - 50 out of 220 1 2 3 4 5 >