Patents for C08C 19 - Chemical modification of rubber (5,922)
09/2002
09/18/2002EP1240211A1 A process for hydrogenating unsaturated polymers
09/18/2002EP1131156B1 A method for preparing a hydrogenation catalyst system
09/17/2002US6451935 Highly functionalized polymers and a process for making the same
09/12/2002WO2001004164A3 Hydrogenation of unsaturated polymers using divalent diene-containing bis-cyclopentadienyl group iv metal catalysts
09/12/2002US20020128426 Anionic polymerization of mixture of living polymers and lithium alkoxide stabilizer
09/12/2002US20020128418 Trifunctional olefinic-capped polymers and compositions that include such polymers
09/12/2002US20020128393 Of a nitrile copolymer rubber, using a hydrogenation catalyst, a cocatalyst, and a proton acceptor that is non-coordinating with the metal complex catalyst, such as epoxidized soybean oil (ESBO)
09/11/2002EP1237935A1 Modified polymers prepared with lanthanide-based catalysts
09/11/2002EP1237934A1 Method to control increase in viscosity during aging of siloxane modified polymers
09/05/2002US20020123574 Process for the production of hydrogenated nitrile rubber
09/05/2002US20020123573 Heating an elastomer of ethylene and alpha-olefin and/or diene comonomer(s) and a coupler of poly(sulfonyl azide) to its decomposition temperature for a period of time; gel content of </= 2% wt
09/05/2002US20020123554 A vulcanizing polysiloxane coupling agent, carbon black and/or silica filler, and an organic lithium polymerization catalyst
09/03/2002US6444757 Such as endcapped polyoxypropylene glycol with benzylidenecyanoacetates; suitable as crosslinking toughening agents in adhesives, coatings and matrices for composites; impact/shatter resistance
08/2002
08/29/2002WO2001096415A3 Hydrogenation process
08/28/2002EP0986582B1 Process for making hydrogenated conjugated diene polymers
08/27/2002US6441098 Low hardness, resilient golf putter insert
08/22/2002WO2002064636A1 Modified rubber, process for producing the same, and composition
08/21/2002EP1232205A1 Devulcanisation product consisting of scrap rubber, a devulcanisation compound, a method for producing same, the reuse thereof in fresh mixtures and the use thereof for producing injection moulded parts
08/15/2002WO2002062594A1 Process for producing tyres, tyres thus obtained and elastomeric compositions used therein
08/14/2002EP1231079A1 Process for producing tyres, tyres thus obtained and elastomeric composition used therin
08/14/2002EP1230273A1 Modified polymers prepared with lanthanide-based catalysts
08/14/2002EP0946600B1 Method for the epoxidation of unsaturated polymers
08/14/2002CN2505272Y Hot-air vulcanising drying tunnel
08/14/2002CN1089095C Rubber composition containing organic silane derivative and using diolefinic polymer as group
08/13/2002US6433105 Coupling, decoupling
08/13/2002US6433104 Hydrogenation process
08/08/2002WO2002060958A2 Functionalized initiators for anionic polymerization, protected funtionalized polymers, deprotected analogues thereof, and methods of making the same
08/08/2002US20020107423 Method for hydrogenation of polymer
08/01/2002WO2002020626A3 Improved process for hydrogenating unsaturated polymers
07/2002
07/31/2002EP1226186A1 Dispersants and dispersant viscosity index from selectively hydrogenated polymers: mannich reaction products
07/30/2002CA2119244C Halogenation of star-branched butyl rubber with improved neutralization
07/30/2002CA2036110C Sulfenyl chloride adducts of hydrogenated nitrile rubber
07/25/2002WO2001087994A3 Process for reacting large hydrophobic molecules with small hydrophilic molecules
07/25/2002US20020099148 Initiating anionic polymerization of one or more conjugated diolefin using alkylsilyloxy protected lithium initiator in presence of polar modifier to form living polymer; reacting liviny polymer with tin halide and silicon halide
07/24/2002EP1036098B1 Method for selective hydrogenation of ethylene unsaturated double bonds in polymerizates
07/23/2002US6423781 Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces
07/16/2002US6420490 Telechelic polymers are produced by ozonation degradation of diene polymers
07/16/2002US6420484 Asymmetrical tin-coupled rubbery polymers
07/11/2002US20020091202 Process for the hydrogenation of a polymer composed of diene monomeer units and a nitrile group-containing monomer units
07/11/2002US20020091199 Process of rheology modification of polymers
07/10/2002EP1221460A2 End-modified diene copolymer and rubber composition for tire tread including the same
07/10/2002CN1358201A Method of selectively hydrogenating ethylenical unsaturated double bonds in polymers
07/09/2002US6417285 Method for the production of a copolymer based on vinyl aromatic compounds and conjugated dienes
07/09/2002US6416834 Composition for improving adhesion of elastomers to polymer compositions
07/09/2002CA2042438C Selective hydrogenation of conjugated diolefin polymers
07/04/2002US20020086952 Cross-link is formed and cleaved reversibly between functional groups of an elastomer and a compound by temperature fluctuation
07/03/2002EP1219640A2 Hydrogenation of nitrile rubber
06/2002
06/28/2002CA2368684A1 Esbo enhanced hydrogenation
06/28/2002CA2329844A1 Esbo enhanced hydrogenation
06/27/2002WO2002016448A3 Metallized unsaturated polymer anions, stabilized by a coordinate bond and having a large portion of cis double bonds
06/27/2002WO2002002650A9 Method for hydrogenation of polymer
06/27/2002US20020082348 Process for producing an epoxidized polymer
06/26/2002EP1217011A1 Process for producing an expoxidized polymer
06/26/2002EP1217009A1 Process for the production of hydrogenated nitrile rubber
06/26/2002EP0755415B1 Epoxidized low viscosity rubber toughening modifiers for epoxy resins
06/26/2002CN1086715C Regeneration and improvement for rubber material
06/25/2002US6410657 Living polymer; reacting organolithium compound with hydrogenforming lithium hydride
06/25/2002US6410653 Acrylonitrile-butadiene copolymer
06/25/2002US6410606 Process for producing natural rubber for pressure-sensitive adhesive and natural rubber-based pressure-sensitive adhesive composition
06/22/2002CA2329551A1 Process for the production of hydrogenated nitrile rubber
06/20/2002WO2002016491A3 Rubber compositions and vulcanizates including comb-branched polymers
06/20/2002US20020077429 Polymerizing conjugated diene aromatic vinyl compound in hydrocarbon solvent in the presence of an alkali metal catalyst; imparts impact resilience
06/20/2002US20020077427 Dispersing or suspending solid polymer in solvent and epoxidizing with peroxide
06/20/2002US20020074696 Treating surface of vulcanised rubber object with halogenating agent to provide halogenated rubber surface, treating halogenated rubber surface with multi-functional amine-containing organic compound to bind compound to rubber
06/19/2002EP1214360A2 Process to prepare hydrogenated polymers with improved colour
06/19/2002EP1214353A1 Process for the hydrogenation of a polymer composed of diene monomer units and a nitrile group-containing monomer units
06/19/2002CN1086392C Sulphur vulcanized elastomer compositions and its use
06/13/2002US20020072558 Rubber derivatives and method for their preparation
06/13/2002DE10152629A1 Verfahren zur Herstellung eines modifizierten Dienpolymerkautschuks A process for preparing a modified diene polymer rubber
06/12/2002EP1213303A2 Rubber derivatives and method for their preparation
06/12/2002EP1212368A1 Method for producing a solution of diene polymers in vinyl aromatic compounds and method for producing resistant vinyl aromatic polymers by polymerizing the same solution
06/11/2002US6403727 Reacting polymers with hydrogen in presence of hydrogenation catalyst selected from ruthenium salts and complex compounds, in aqueous dispersion comprising not more than 20% by volume of organic solvent at elevated temperature and pressure
06/11/2002CA2055972C Amine modified hydrogenation of nitrile rubber
06/06/2002WO2002010267A3 Silica-reinforced rubber compounds containing moisture stabilized polymers
06/06/2002US20020068798 Synthesis of tin/silicon coupled rubbery polymers
06/06/2002US20020068794 Room temperature curable hybrid silicones
06/04/2002US6399673 Photocurable acrylated chlorinated rubber coatings
06/04/2002US6399538 Process for hydrogenating unsaturated polymers
05/2002
05/30/2002WO2002042337A1 Rubber compounds containing polyether/diolefin rubbers and their use for producing, in particular, low-rolling resistance tires
05/30/2002WO2001087993A3 Chain-coupled polymeric alkoxide compounds having controlled viscosity
05/30/2002US20020065372 Fluoroelastomers
05/30/2002US20020065348 Treadwear and reduced rolling resistance, when used in tire tread rubbers
05/30/2002CA2429307A1 Rubber compounds containing polyether/diolefin rubbers and their use for producing, in particular, low-rolling resistance tires
05/29/2002EP1208153A1 Process for producing tyres, tyres thus obtained and elastomeric compositions used therein
05/29/2002EP1208120A1 Cross-linked products with no blooming and reduced fogging
05/29/2002EP1208118A2 Production of haze-free block copolymers
05/28/2002US6395841 Process for hydrogenating unsaturated polymers
05/23/2002DE10057508A1 Rubber mixture for production of low-damping tires or tire tread, based on a polyether-diolefin block copolymer in which the polyether component is incorporated into the polymer chain
05/16/2002WO2002038626A1 Epoxidized thermoplastic polymers and processes for their production
05/16/2002WO2002038615A1 Functionalized high cis-1,4-polybutadiene prepared using novel functionalizing agents
05/15/2002EP1204702A1 Rubber composition for use as tyre running tread
05/10/2002WO2002010224A3 Alkenyl-co-maleimide/diene rubber composition
05/07/2002US6384164 Process for the preparation of a branched diene elastomer via an anionic route
05/02/2002WO2002034800A1 Hydrogenated polymer
05/02/2002WO2002034799A1 Process for preparing partially hydrogenated butadiene polymers
05/02/2002DE10052183A1 Hydrogenation of conjugated diene polymers employs catalyst composition comprising titanium compound(s), silyl hydride compound(s) and (organo)metallic compound(s)
04/2002
04/30/2002US6380321 Process for carbonation of a living diene polymer obtained anionically
04/24/2002EP1199313A2 Diene polymers and copolymers having an alkoxysilane group
04/24/2002EP1198506A1 Method to control increase in viscosity during aging of siloxane modified polymers
04/23/2002US6376623 Heating; coupling with polysulfonyl azide
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