Patent application number | Description | Published |
20080275199 | POLYMERIZATION PROCESS FOR PRODUCING POLYDIENES - There is disclosed a process for producing a conjugated diene-containing polymer wherein a stream comprising conjugated diene monomer and a specified catalyst, that includes a lanthanide compound and an aluminoxane, is passed through an orifice into the reaction zone of a polymerization vessel, maintained under specific pressure conditions to form a cement having a viscosity that allows the cement to be conveyed through a devolatilization zone, where desired. | 11-06-2008 |
20090043046 | Process for producing functionalized polymers - A method for preparing a functionalized polymer, the method comprising the steps of (a) polymerizing monomer in the presence of a coordination catalyst to form a polymer, (b) inhibiting said step of polymerizing with a Lewis base, and (c) reacting the polymer with a functionalizing agent. | 02-12-2009 |
20090043055 | Polyhydroxy compounds as polymerization quenching agents - A method for quenching an active polymerization mixture, the method comprising introducing a polyhydroxy compound to an active polymerization mixture. | 02-12-2009 |
20090099325 | POLYMERS FUNCTIONALIZED WITH HETEROCYCLIC NITRILE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound. | 04-16-2009 |
20090171035 | POLYMERS FUNCTIONALIZED WITH POLYIMINE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a polyimine compound. | 07-02-2009 |
20090171046 | PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing employs a lanthanide-based catalyst system. | 07-02-2009 |
20090253869 | METHOD FOR BULK POLYMERIZATION - A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture. | 10-08-2009 |
20090299019 | PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, and where said step of polymerizing employs a lanthanide-based catalyst system that includes the combination of or reaction product of ingredients including (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a bromine-containing compound selected from the group consisting of elemental bromine, bromine-containing mixed halogens, and organic bromides. | 12-03-2009 |
20090326161 | FUNCTIONALIZED POLYMERS AND IMPROVED TIRES THEREFROM - A tire component comprising a vulcanized residue of a functionalized polymer defined by the formula I | 12-31-2009 |
20100004413 | BULK POLYMERIZATION PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system including the combination or reaction product of: (a) a lanthanide compound selected from the group consisting of lanthanide organophosphates, lanthanide organophosphonates, and lanthanide organophosphinates, (b) an alkylating agent, and (c) a chlorine-containing compound, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of solvent based on the total weight of the polymerization mixture. | 01-07-2010 |
20100004414 | POLYMERS FUNCTIONALIZED WITH IMIDE COMPOUNDS CONTAINING A PROTECTED 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 an imide compound containing a protected amino group. | 01-07-2010 |
20100137520 | Branched Polymers and Methods for Their Synthesis and Use - Branched polymers including multi-branched polymers, functionalized branched polymers, star-branched polymers, and dendigraft polymers. Methods for the synthesis of branched polymers and method for the use of branched polymers in tire components are also included. | 06-03-2010 |
20100168378 | POLYMERS FUNCTIONALIZED WITH NITROSO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a nitroso compound. | 07-01-2010 |
20100216956 | PROCESS AND CATALYST SYSTEM FOR POLYDIENE PRODUCTION - Compositions and polydiene production processes involving catalyst systems comprising at least one lanthanide-containing compound, at least one alkylating agent, at least one halogen source, and at least one N,N-dihydrocarbylhydroxylamine. | 08-26-2010 |
20100273963 | PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing employs a lanthanide-based catalyst system. | 10-28-2010 |
20100280217 | POLYMERS FUNCTIONALIZED WITH HETEROCYCLIC NITRILE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound. | 11-04-2010 |
20100311899 | FUNCTIONALIZED POLYMER AND METHODS FOR MAKING AND USING - A functionalized polymer includes a polymer chain and a terminal functionality that includes at least one disilylamino group. The polymer can be the reaction product of a terminally active polymer chain and a compound that includes at least one disilylamino group and a group capable of reacting with terminally active polymers. Methods for making and using such polymers also are provided, as are compositions containing the polymer and one or more types of filler particles as well as vulcanizates provided from such compositions. | 12-09-2010 |
20100317818 | 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 group. | 12-16-2010 |
20110046327 | METHOD FOR BULK POLYMERIZATION - A method for polymerizing conjugated diene monomer into polydienes, the method comprising: polymerizing conjugated diene monomer within a liquid-phase polymerization mixture that includes conjugated diene monomer, a lanthanide-based catalyst system, dicyclopentadiene or substituted dicyclopentadiene, and optionally organic solvent, with the proviso that the organic solvent, if present, is less than about 20% by weight based on the total weight of the polymerization mixture. | 02-24-2011 |
20110077325 | FUNCTIONALIZED POLYMERS AND METHODS FOR THEIR MANUFACTURE - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group. | 03-31-2011 |
20110144282 | POLYMERS FUNCTIONALIZED WITH IMIDE COMPOUNDS CONTAINING A PROTECTED 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 an imide compound containing a protected amino group. | 06-16-2011 |
20110152449 | POLYMERS FUNCTIONALIZED WITH POLYOXIME COMPOUNDS AND METHODS FOR THEIR MANUFACTURE - A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer, and reacting the reactive polymer with a protected polyoxime compound. | 06-23-2011 |
20110172369 | FUNCTIONALIZED POLYMERS AND PROCESSES FOR MAKING SAME - A macromolecule includes at least one polymer chain with at least one functionality. The polymer can include unsaturated mer units and can be provided via anionic and pseudo-living polymerization techniques. In either technique, the functionality can include at least one 5- or 6-membered ring which includes a secondary amine group and at least one additional heteroatom; in the latter technique, the functionality can include a hydrazone radical. Such polymers can be used to provide compositions that also include particulate fillers, such compositions being useful for the production of vulcanizates. | 07-14-2011 |
20110210486 | RUBBER ARTICLES SUBJECTED TO REPEATED DEFORMATION AND COMPOSITIONS FOR MAKING THE SAME - An air spring having an airsleeve, wherein at least one layer of said airsleeve includes the vulcanization product of an elastomer and syndiotactic 1,2-polybutadiene. | 09-01-2011 |
20110237729 | Rubber Composition Having Improved Crack Resistance - A method includes: (a) mixing in a first step a first polymer and a filler, (b) mixing in a second step a second polymer and a polyhydroxy compound, and (c) mixing in a third mixing step the mixtures resulting from steps (a) and (b) and optionally additional filler, wherein said first polymer and second polymer may be the same polymer or different polymers, and wherein steps (a) and (b) can occur simultaneously or consecutively. | 09-29-2011 |
20110288200 | POLYMERS FUNCTIONALIZED WITH POLYCYANO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer, and reacting the reactive polymer with a polycyano compound. | 11-24-2011 |
20120059112 | POLYMERS FUNCTIONALIZED WITH NITRILE COMPOUNDS COMTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a nitrile compound containing a protected amino group. | 03-08-2012 |
20120077941 | POLYMERS FUNCTIONALIZED WITH PROTECTED OXIME COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer, and (ii) reacting the reactive polymer with a protected oxime compound. | 03-29-2012 |
20120108736 | RUBBER COMPOSITIONS INCLUDING A POLYMERIC COMPONENT HAVING A MULTI-MODAL MOLECULAR WEIGHT DISTRIBUTION - A vulcanizable composition of matter comprising a rubber component, a filler, a curative for the rubber, where the rubber component includes a multi-modal polymer including at least two distinct peak molecular weights within a range defined by a lower limit of 80 kg/mole and an upper limit of 500 kg/mole. | 05-03-2012 |
20120108755 | BRANCHED POLYMERS AND METHODS FOR THEIR SYNTHESIS AND USE - Branched polymers including multi-branched polymers, functionalized branched polymers, star-branched polymers, and dendigraft polymers. Methods for the synthesis of branched polymers and method for the use of branched polymers in tire components are also included. | 05-03-2012 |
20120149833 | POLYMERS FUNCTIONALIZED WITH OXIME COMPOUNDS CONTAINING AN ACYL GROUP - A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer; and reacting the reactive polymer with a protected oxime compound containing an acyl group. | 06-14-2012 |
20120165484 | PROCESS AND CATALYST SYSTEM FOR POLYDIENE PRODUCTION - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a vinylsilane, an allylsilane, or an allylvinylsilane. | 06-28-2012 |
20120172553 | Process For Producing Polydienes - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, and where said step of polymerizing employs a lanthanide-based catalyst system that includes the combination of or reaction product of ingredients including (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a bromine-containing compound selected from the group consisting of elemental bromine, bromine-containing mixed halogens, and organic bromides. | 07-05-2012 |
20120184677 | FUNCTIONALIZED POLYMERS AND METHODS FOR THEIR MANUFACTURE - A method for preparing a functionalized polymer, the method comprising the steps of (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group. | 07-19-2012 |
20120252979 | Process for Producing Blends of Syndiotactic, 1,2-Polybutadiene and Rubbery Elastomers - Blends of syndiotactic 1,2-polybutadiene and rubbery elastomers are prepared by a process that comprises polymerizing 1,3-butadiene monomer into syndiotactic 1,2-polybutadiene within a rubber cement of an elastomeric terpolymer by using a chromium-based, molybdenum-based, or iron-based catalyst composition. Polymer composition comprising the blend with improved properties is also provided. | 10-04-2012 |
20120296041 | POLYMERS FUNCTIONALIZED WITH NITRILE COMPOUNDS CONTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with an anionic initiator to form a reactive polymer; and (ii) reacting the reactive polymer with a nitrile compound containing a protected amino group, where the protected amino group is directly attached to a moiety selected from the group consisting of acyclic moieties, heterocyclic moieties, and non-aromatic cyclic moieties. | 11-22-2012 |
20120309906 | 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 group. | 12-06-2012 |
20130066016 | POLYMERS FUNCTIONALIZED WITH HETEROCYCLIC NITRILE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of preparing a reactive polymer and reacting the reactive polymer with a heterocyclic nitrile compound. | 03-14-2013 |
20130079463 | POLYMERS FUNCTIONALIZED WITH POLYHYDRAZONE COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a protected polyhydrazone compound. | 03-28-2013 |
20130085227 | POLYMERS FUNCTIONALIZED WITH NITRILE COMPOUNDS CONTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer with a coordination catalyst to form a reactive polymer and reacting the reactive polymer with a nitrile compound containing a protected amino group. | 04-04-2013 |
20130096264 | POLYMERS FUNCTIONALIZED WITH NITROSO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a nitroso compound. | 04-18-2013 |
20130096267 | PROCESS FOR PRODUCING FUNCTIONALIZED POLYMERS - A method for preparing a functionalized polymer, the method comprising the steps of (a) polymerizing monomer in the presence of a coordination catalyst to form a polymer, (b) inhibiting said step of polymerizing with a Lewis base, and (c) reacting the polymer with a functionalizing agent. | 04-18-2013 |
20130274430 | Bulk Polymerization of Conjugated Dienes Using a Nickel-Based Catalyst System - A process for preparing a polydiene, the process comprising the steps of (i) providing conjugated diene monomer; (ii) charging a nickel-based catalyst system to the conjugated diene monomer; and (iii) charging a modulating Lewis base to the conjugated diene monomer, to thereby polymerize the conjugated diene monomer in the presence of the modulating Lewis base, where said step of charging a modulating Lewis base is separate from said step of charging a nickel-based catalyst, and where said steps of providing conjugated diene monomer, charging a nickel-based catalyst system and charging a Lewis base form a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture. | 10-17-2013 |
20130281642 | Bulk Polymerization Of Conjugated Dienes Using A Nickel-Based Catalyst System - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a nickel-based catalyst system, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, where the temperature of the polymerization mixture is maintained below 34° C. during said step of polymerizing, and where the conversion of the conjugated diene monomer is maintained below 30%. | 10-24-2013 |
20130331507 | METHOD FOR PRODUCING POLYDIENES AND POLYDIENE COPOLYMERS WITH REDUCED COLD FLOW - A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a boronic ester containing a cyano group. | 12-12-2013 |
20130331508 | POLYMERS FUNCTIONALIZED WITH UNSATURATED HETEROCYCLES CONTAINING A PROTECTED AMINO GROUP - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with an unsaturated heterocycle containing a protected amino group. | 12-12-2013 |
20140011963 | PROCESS FOR PRODUCING POLYDIENES - A method for producing a polydiene, the method comprising the steps of: (i) forming an active catalyst by combining a lanthanide-containing compound, an alkylating agent, and a halogen source in the substantial absence of an amine; and (ii) polymerizing conjugated diene monomer in the presence of the active catalyst and an amine. | 01-09-2014 |
20140018500 | Polymers Functionalized With A Carboxylic Or Thiocarboxylic Ester Containing A Silylated Amino Group - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with an anionic initiator to form a reactive polymer; and (ii) reacting the reactive polymer with a carboxylic or thiocarboxylic ester containing a silylated amino group, where the silylated amino group is directly attached to a moiety selected from the group consisting of acyclic moieties, heterocyclic moieties, and nonaromatic cyclic moieties. | 01-16-2014 |
20140031488 | Polymers Functionalized With Protected Hydrazone Compounds Containing An Acyl Group - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer; and (ii) reacting the reactive polymer with a protected hydrazone compound containing an acyl group. | 01-30-2014 |
20140031502 | Metal Complex Catalysts And Polymerization Methods Employing Same - A novel class of aminidate complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers. | 01-30-2014 |
20140031503 | Lanthanide Complex Catalyst And Polymerization Method Employing Same - A novel class of lanthanide metal phenoxyimine complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers. | 01-30-2014 |
20140039126 | Lanthanide Complex Catalyst And Polymerization Method Employing Same - A novel class of lanthanide metal salen complexes can be used as an ingredient of a catalyst system. The catalyst system can be used in polymerizations of ethylenically unsaturated hydrocarbon monomers. | 02-06-2014 |
20140100340 | POLYMERS FUNCTIONALIZED WITH NITROSO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer with a coordination catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a nitroso compound. | 04-10-2014 |
20140187711 | POLYMERS FUNCTIONALIZED WITH UNSATURATED HETEROCYCLES CONTAINING AN AZOLINYL GROUP - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an unsaturated heterocycle containing an azolinyl group. | 07-03-2014 |
20140187712 | FUNCTIONALIZED POLYMERS - A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with an azodiester. | 07-03-2014 |
20140187725 | METHOD FOR PRODUCING POLYDIENES AND POLYDIENE COPOLYMERS WITH REDUCED COLD FLOW - A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomer to form a reactive polymer, and (ii) reacting the reactive polymer with coumarin or a substituted coumarin compound. | 07-03-2014 |
20140275403 | POLYMERS FUNCTIONALIZED WITH POLYCYANO COMPOUNDS - A method for preparing a functionalized polymer, the method comprising the steps of polymerizing monomer to form a reactive polymer, and reacting the reactive polymer with a polycyano compound. | 09-18-2014 |
20140296445 | Method For Producing Polydienes And Polydiene Copolymers With Reduced Cold Flow - A method for preparing a coupled polymer, the method comprising the steps of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a glycidic ester. | 10-02-2014 |
20140303327 | Process For Producing Polydienes - A method for producing a polydiene, the method comprising the steps of: (i) forming an active catalyst by combining a lanthanide-containing compound, an alkylating agent, and a halogen source in the substantial absence of a sulfone, a sulfoxide, and a phosphine oxide; and (ii) polymerizing conjugated diene monomer in the presence of the active catalyst and a polymerization modulator selected from the group consisting of a sulfone, a sulfoxide, and a phosphine oxide. | 10-09-2014 |
20140378630 | Bulk Polymerization Process For Producing Polydienes - A process for preparing a polydiene, the process comprising the steps of: polymerizing conjugated diene monomer with a metallocene complex catalyst system within a polymerization mixture that includes less than 20% by weight of solvent based on the total weight of the polymerization mixture, where the metallocene complex catalyst system includes the combination or reaction product of: (a) metallocene complex, (b) an alkylating agent, and optionally (c) a non-coordinating anion. | 12-25-2014 |
20150018488 | Polymers Functionalized With Lactones Or Thiolactones Containing A Protected Amino Group - A method for preparing a functionalized polymer, the method comprising the steps, of: (i) polymerizing monomers to form a reactive polymer, and (ii) reacting the reactive polymer with a lactone or thiolactone that contains a protected amino group. | 01-15-2015 |
20150031845 | Process For Producing Polydienes - A method for producing a polydiene, the method comprising the steps of (i) forming an active catalyst by combining a lanthanide-containing compound, an alkylating agent, and a halogen source in the substantial absence of an organosulfide; and (ii) polymerizing conjugated diene monomer in the presence of the active catalyst and an organosulfide. | 01-29-2015 |