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8981012 Modified polydicyclopentadienes  
The present invention provides novel, modified polydicyclopentadienes and methods to prepare modified polydicyclopentadienes. The modified polydicyclopentadienes prepared by the methods of the...
8975361 Process for the production of water and solvent-free polymers  
The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like styrene butadiene rubber products and butadiene rubber...
8927657 Method for producing epoxidized polymer  
The present invention discloses a method for producing an epoxidized polymer. The method comprises the steps of: (1) providing a polymer solution containing a polymer having a conjugated diene...
8809464 Polymers functionalized with halosilanes containing an amino group  
A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer, and reacting the reactive polymer with a halosilane compound containing an amino...
8779066 Process for brominating butadiene polymers using ester solvent mixtures  
Butadiene copolymers are brominated using certain quaternary ammonium or phosphonium tribromides as the brominating agent. The bromination is performed in solution in a mixture of n-butyl acetate...
8735494 Polymers functionalized with nitrile compounds containing a protected amino group  
A method for preparing a polydiene polymer, the method comprising: (i) preparing an active polymerization mixture by introducing conjugated diene monomer, and optionally monomer copolymerizable...
8709603 Article based on a composition containing a crosslinked blend of elastomers  
Article based on an elastomeric composition (C) comprising a crosslinked blend (B) of at least: (1) one substantially saturated synthetic elastomer; and (2) a copolymer containing repeating units...
8618223 Functionalized polymers and tires therefrom  
A method for preparing a functionalized polymer, the method comprising providing a reactive polymer, where the reactive polymer includes an oxygen anion, a sulfur anion, or a nitrogen anion,...
8604136 Process for making dendritic hydrocarbon polymers  
A process for making a substantially saturated dendritic hydrocarbon polymer. The process has the following steps: (a) polymerizing an amount of one or more alkadiene monomers and/or one or more...
8569420 Singly-terminated polyisobutylenes and process for making same  
The present invention generally relates to singly-terminated polyisobutylene (PIB) compounds, and to a process for making such compounds. In one embodiment, the present invention relates to...
8569424 Brominated and epoxidized flame retardants  
Brominated and epoxidized organic compounds are useful flame retardants for polymers such as polystyrene. The organic compounds contain both bromine and oxirane groups, and have molecular weights...
8552118 Polyisobutylenes and process for making same  
The present invention generally relates to alcohol-terminated polyisobutylene (PIB) compounds, and to a process for making such compounds. In one embodiment, the present invention relates to...
8513367 Mitigation of elastomer reactor fouling using mechanical vibration  
Method of reducing fouling in an elastomer polymerization process that includes providing a reactor capable of housing an industrial-scale elastomer polymerization reaction, and applying a...
8410226 Two-step process for brominating butadiene copolymers  
Butadiene copolymers are brominated using certain quaternary ammonium tribromides as the brominating agent in a first step, and then with elemental bromine in a second bromination step. The...
8372921 Process for brominating unsaturated organic compounds using a quaternary phosphonium tribromide as the brominating agent  
Compounds or polymers that contain carbon-carbon unsaturation are brominated using a quaternary phosphonium tribromide as the brominating agent. The bromination process proceeds easily under mild...
8354473 Halogenation processes  
The invention discloses improved processes to halogenate polymers. In particular, the invention discloses to improved processes to halogenate polymers made from C4-1012 isoolefins.
8304492 Process for brominating butadiene/vinyl aromatic copolymers  
A polybutadiene brominating method uses a quaternary ammonium tribromide as the brominating agent. The brominating is performed in solution, and dual extractions recover the spent brominating...
8268931 Process for cleaner production of chlorinated rubber without using carbon tetrachloride and water  
The present invention relates to a green technology to produce chlorinated rubber without using carbon tetrachloride and water by using 1,1,2-trichloroethane as the solvent and iodine as the...
8227562 Functionalized polymers and initiators for making same  
A polymer includes at a terminus a cyclic amine radical bonded to the polymer through a ring nitrogen atom. The polymer can be provided by using a lithiated version of the cyclic amine to initiate...
8217128 Farnesene interpolymers  
Farnesene interpolymer comprises units derived from a farnesene (e.g., α-farnesene or β-farnesene) and units derived from at least one vinyl monomer. The farnesene interpolymer can be prepared by...
8158725 Functionalized polymers and tires therefrom  
A method for preparing a functionalized polymer, the method comprising providing a reactive polymer, where the reactive polymer includes a carbon anion, an oxygen anion, a sulfur anion, or a...
8114943 Process for brominating butadiene/vinyl aromatic copolymers  
Butadiene copolymers are brominated in solution using bromine as the brominating agent. The bromination is conducted in the presence of an excess of an aliphatic alcohol, relative to the amount of...
8026304 Partially or fully neutralized butyl ionomers in golf ball layers  
A golf ball having a core, and at least one layer about the core, wherein the core or the layer is formed from partially or fully neutralized butyl ionomers or their blends to improve the...
8017695 Method for producing functionalized cis-1,4-polydienes having high cis-1,4-linkage content and high functionality  
This invention relates to a method for producing functionalized cis-1,4-polydienes having a combination of a high cis-1,4-linkage content and a high functionality, the resulting polymers and the...
7951876 Multi-functional polymers  
A multi-functional polymer defined by the formula (Q-R¦n—Z—P2—Y where (Q-R)n is a functionality cluster, Q is a functional group, R is a multi-valent organic group, P2 is a long-chain polymer, n...
7910662 Halogenation processes  
The invention discloses improved processes to halogenate polymers. In particular, the invention discloses to improved processes to halogenate polymers made from C4-1012 isoolefins.
7868099 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 tin containing compound to...
7825195 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...
7767755 Composition including multiple functionalized polymers  
A composition that includes functionalized polymers and particulate filler is provided. The composition includes at least three components: (1) a polymer that includes a first type of...
7662480 Butyl ionomer having improved surface adhesion  
A butyl rubber ionomer having improved adhesion to substrates whose surfaces have polar functional groups. Examples of such substrate materials include stainless steel, glass, mylar or Teflon®....
7659355 Elastomeric compositions, air barriers, and processes for the making the same  
The invention relates to novel air barriers made from elastomeric compositions. In particular, the invention relates to novel air barriers such as innerliners, air sleeves, and innertubes made...
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 polymer...
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...
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...
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...
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...
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....

Matches 1 - 50 out of 251 1 2 3 4 5 6 >