Patent application number | Description | Published |
20090043041 | Enhancing Interactivity Between Amine-Functionalized Polymers and Particulate Fillers - A process for providing interaction between particulate filler and a functionalized polymer involves a composition that includes at least three components: (1) a polymer that includes a functional group including an acidic cation of a primary or secondary amine functionality, (2) a material including a functionality capable of reacting with the acidic cation, and (3) particulate filler. The amine functionality from (1) is allowed to interact with (3) after being neutralized by the action of the acid-reactive functionality from (2). The process is useful in the formation of vulcanizates and articles made therefrom. | 02-12-2009 |
20090054554 | Disk-like Nanoparticles - A disk-like nanoparticle includes a core layer that comprises a cross-linked multi-vinyl substituted aromatic hydrocarbon and a shell layer that comprises tri-block copolymer chains, each having a first, a second, and a third block. The first and third blocks of the tri-block copolymer chains comprise vinyl aromatic monomer units and are crosslinked with the core. The second block comprises conjugated diene monomer units and comprises a top and bottom axial surface of the disk-like nanoparticle. In the case of a nanoparticle having A-B-C tri-block copolymer chains, the third block comprises a top and bottom axial surface of the disk-like nanoparticle. | 02-26-2009 |
20090062434 | METHOD OF IMPROVING AFFINITY BETWEEN FILLER AND POLYMERS HAVING A LOW DEGREE OF UNSATURATION - Provided is a composition comprising at least one polymer having a degree of unsaturation of no more than about 50 mol %; a filler selected from the group consisting of carbon black, silica, and mixtures thereof; and a polymeric additive comprising a functional end group reactive with said filler, wherein said polymeric additive has a degree of unsaturation of no more than about 50 mol % and a number average molecular weight between about 1,000 and about 25,000. The composition may optionally contain one or more polymers having a degree of unsaturation of more than 50 mol %. The composition may be particularly useful as a component for a tire. | 03-05-2009 |
20090062451 | SYNTHESIS OF A LIQUID POLYMER AND A FUNCTIONALIZED POLYMER - A method comprising: (a) forming a living liquid polymer, wherein said living liquid polymer is anionically initiated and comprises a cation; (b) adding a functional initiator precursor of the formula FI-H, wherein H is hydrogen and FI is a functional group, said H terminates said living liquid polymer resulting in said liquid polymer having a number average molecular weight of about 20,000 (g/mole) to about 100,000 (g/mole), and said FI and said cation form a functional initiator; (c) adding monomer, wherein said functional initiator initiates anionic polymerization of said monomer; and (d) terminating the polymerization reaction initiated in step (c). Steps (a) through (c) may be conducted in a single reactor, allowing a liquid polymer to be dispersed in a functionalized polymer in a single polymerization step. Thus, the liquid polymer does not have to be handled separately and processing efficiency is improved. | 03-05-2009 |
20090105408 | FUNCTIONALIZED POLYMERS - A functionalized polymer includes a polymer chain and a terminal group linked to the chain through a functionality that contains one or more urethane groups. The functionalized polymer can be provided by reacting a nucleophile with a polymer having terminal iso(thio)cyanate functionality which, in turn, can be provided by reacting a terminally active polymer with a polyiso(thio)cyanate. Even polymers that contain substantial amounts of styrene mer can be used in the described process. | 04-23-2009 |
20090163675 | SILANE COUPLED POLYMERS - A functionalized polymer includes a directly bonded moiety, which can be located at a terminus of the polymer, defined by the formula —[—CR | 06-25-2009 |
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 |
20090326176 | NOVEL MULTIFUNCTIONAL INITIATORS FOR ANIONIC POLYMERIZATION AND POLYMERS THEREFROM - The embodiments of the invention relate to a multifunctional lithiated amine-containing compound comprising at least two molecules of lithiated amine in a molecule of the compound. In one embodiment, the compound has a formula | 12-31-2009 |
20100041797 | USE OF SULFUR CONTAINING INITIATORS FOR ANIONIC POLYMERIZATION OF MONOMERS - A vulcanized rubber composition comprising the vulcanization product of a functional polymer, where the functional polymer is defined by the formula | 02-18-2010 |
20100120976 | AMINE FUNCTIONALIZED POLYMERS - A functionalized polymer includes a polymer chain and, bonded thereto, an functional group having the general formula —NHAR | 05-13-2010 |
20100286348 | HYDROXYARYL FUNCTIONALIZED POLYMERS - Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing aryl functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. | 11-11-2010 |
20110009583 | 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 polymerization of one or more ethylenically unsaturated monomers. The polymer can be used in the production in a variety of vulcanizates. | 01-13-2011 |
20110028632 | Method of Making Hydroxyaryl-Functionalized Interpolymer - Cationic techniques can be used to polymerize monomers that include a class of hydroxyaryl compounds so as to provide polymers that exhibit desirable properties including, but not limited to, reduced hysteresis. Compositions such as vulcanizates in which such polymers can be utilized and products such as tire components that incorporate and/or are manufactured from such compositions also are provided. | 02-03-2011 |
20110028653 | INTERPOLYMERS CONTAINING ISOBUTYLENE AND DIENE MER UNITS - This disclosure relates to a block interpolymer comprising at least one diene block and at least one butyl block, wherein the at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to the diene block(s). The disclosure also relates to methods of making such block interpolymers. Also disclosed is a rubber composition comprising: (a) a block interpolymer comprising at least one diene block and at least one butyl block, and (b) a filler, wherein said at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to said diene block(s). | 02-03-2011 |
20110112263 | ANIONIC POLYMERIZATION INITIATORS AND POLYMERS THEREFROM - One or more embodiments of the present invention provides a method for preparing a chain-extended lithiated thioacetal solution, the method comprising (i) preparing a lithiated thioacetal by reacting an initiator precursor compound with an organolithium compound; and (ii) chain extending the lithiated thioacetal by polymerizing monomer including conjugated diene monomer, optionally together with vinyl aromatic monomer, to form a polymeric or oligomeric segment having at least 3 and less than 125 repeat units. | 05-12-2011 |
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 |
20110213066 | Hairy Polymeric Nanoparticles With First And Second Shell Block Polymer Arms - Compositions and methods are included for preparing a hairy polymeric nanoparticle including first and second shell block polymer arms are at least partially phase-separated and surround a polymeric core. One type of polymeric arm can have a greater polarity than the other type(s) of polymeric arms. A rubber composition including the hairy nanoparticles is also provided. | 09-01-2011 |
20120010355 | POLYHEDRAL-MODIFIED POLYMER - A macromolecule including a polymer and a polyhedral radical chemically bonded to a terminus of the polymer provides numerous processing and performance advantages. Further functionalization of this macromolecule also is described as being advantageous in certain circumstances. Methods of providing, functionalizing, and utilizing the macromolecule also are provided. | 01-12-2012 |
20120035336 | NOVEL MULTIFUNCTIONAL INITIATORS FOR ANIONIC POLYMERIZATION AND POLYMERS THEREOF - The embodiments of the invention relate to a multifunctional lithiated amine-containing compound comprising at least two molecules of lithiated amine in a molecule of the compound. In one embodiment, the compound has a formula | 02-09-2012 |
20120059113 | PROCESSING OF RUBBER COMPOSITIONS INCLUDING SILICEOUS FILLERS - Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a compound that includes multiple hydroxyl groups. The compound can act to disrupt the interactivity of the functionalities and the particulate filler particles during processing of the composition, thereby facilitating processing of the composition. | 03-08-2012 |
20120065315 | ELASTOMERIC COMPOUNDS HAVING INCREASED COLD FLOW RESISTANCE AND METHODS PRODUCING THE SAME - Elastomeric compounds having increased cold flow resistance may be obtained by utilizing from 10-100 phr of a functionalized rubbery polymer containing specified types of functionalizing units, at least 0.01 phr of a multivalent metal organic salt and 0-90 phr of at least one additional rubbery polymer. | 03-15-2012 |
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 |
20120130009 | POLYMERS FUNCTIONALIZED WITH HYDROXYL GROUP-CONTAINING DIPHENLYETHYLENE - Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing diphenylethylene-type functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. | 05-24-2012 |
20120136091 | METHOD OF MAKING HYDROXYARYL-FUNCTIONALIZED INTERPOLYMER BY FREE RADICAL INITIATED POLYMERIZATION - Radical polymerization techniques can be used to polymerize monomers that include a class of hydroxyaryl compounds so as to provide polymers that exhibit desirable properties including, but not limited to, reduced hysteresis. Compositions such as vulcanizates in which such polymers can be utilized and products such as tire components that incorporate and/or are manufactured from such compositions also are provided. | 05-31-2012 |
20120136113 | HYDROXYARYL FUNCTIONALIZED POLYMERS - A functionalized polymer includes the reaction product of a reactive polymer and a compound that includes an aryl group having at least one directly bonded OG | 05-31-2012 |
20120136128 | ANIONIC POLYMERIZATION INITIATORS AND PROCESSES - A group of compounds defined by the general formula (I) can be used to anionically initiate polymerization of unsaturated monomers. In the formula, M is an alkali metal atom, R | 05-31-2012 |
20120142813 | AMINE FUNCTIONALIZED POLYMER - A macromolecule includes a functional group including imine functionality bonded to a polymer chain. Where desired, the functional group also can contain additional (e.g., amine and/or silane) functionality. The material can be provided by reacting a polymer including carbonyl functionality with a compound including a primary amino group. The functional group can interact with particulate filler such as, e.g., carbon black and silica. | 06-07-2012 |
20120232223 | Functionalized Polymer - A method for providing a polymer having terminal functionality that includes at least one sulfur atom and at least one silicon or tin atom involves reacting a terminally active polymer with a cyclic compound that includes in its ring structure at least one Si or Sn atom and at least one S atom, optionally at adjacent positions of the ring structure. | 09-13-2012 |
20120283387 | METHOD FOR MAKING FUNCTIONALIZED POLYMER - A macromolecule includes at least one polymer chain and terminal functionality. The terminal functionality includes a ring-opened radical of a cyclosilazane or cyclic hydrosiloxane. The polymer can include unsaturated mer units and can be provided via anionic polymerization techniques. The macromolecule can be used as a component of a composition that also includes particulate fillers, with the composition being useful for the production of vulcanizates. | 11-08-2012 |
20130035437 | RUBBER COMPOSITIONS INCLUDING SILICEOUS FILLERS - Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition. | 02-07-2013 |
20130035443 | METHOD OF MAKING A BLOCKED POLYMER WITH A SILOXANE LINKING GROUP - Carbanionic polymer chains that contain polyene mer can be provided with a block derived from one or more ethylenically unsaturated functional monomers after being reacted to include, at their respective termini, one or more, although preferably one, unit that is the radical of a cyclic compound, the ring structure of the cyclic compound comprising silicon atoms alternating with O, S or N atoms. | 02-07-2013 |
20130090423 | HYDROXYL GROUP-CONTAINING METHYLSTYRENE AND POLYMERS INCORPORATING SAME - Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing α-methylstyrene functionalities. The functionalities can be incorporated by using any or all of appropriate initiators, monomers and optional terminating compounds. Such polymers exhibit excellent interactivity with both conventional and non-conventional fillers. | 04-11-2013 |
20130261225 | Disk-Like Nanoparticles - A disk-like nanoparticle includes a core layer that comprises a cross-linked multi-vinyl substituted aromatic hydrocarbon and a shell layer that comprises tri-block copolymer chains, each having a first, a second, and a third block. The first and third blocks of the tri-block copolymer chains comprise vinyl aromatic monomer units and are crosslinked with the core. The second block comprises conjugated diene monomer units and comprises a top and bottom axial surface of the disk-like nanoparticle. In the case of a nanoparticle having A-B-C tri-block copolymer chains, the third block comprises a top and bottom axial surface of the disk-like nanoparticle. | 10-03-2013 |
20130274408 | Coupled Polymers And Methods For Making Same - Carbanionic polymer chains that contain polyene mer can be coupled after being reacted to include, at their respective termini, at least one, and preferably one, unit that is the radical of a cyclic polysiloxane. The coupled polymers are useful in preparing rubber compounds from which vulcanizates are made. | 10-17-2013 |
20140100334 | Interpolymers Containing Isobutylene And Diene Mer Units - This disclosure relates to a block interpolymer comprising at least one diene block and at least one butyl block, wherein the at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to the diene block(s). The disclosure also relates to methods of making such block interpolymers. Also disclosed is a rubber composition comprising: (a) a block interpolymer comprising at least one diene block and at least one butyl block, and (b) a filler, wherein said at least one butyl block comprises residue from a functionalizing agent on at least one end adjacent to said diene block(s). | 04-10-2014 |
20140148527 | AMINE FUNCTIONALIZED POLYMER - A macromolecule includes a functional group including imine functionality bonded to a polymer chain. Where desired, the functional group also can contain additional (e.g., amine and/or silane) functionality. The material can be provided by reacting a polymer including carbonyl functionality with a compound including a primary amino group. The functional group can interact with particulate filler such as, e.g., carbon black and silica. | 05-29-2014 |
20140309390 | Stabilized Multi-Valent Anionic Polymerization Initiators And Methods For Preparing The Same - A stabilized initiator solution comprising a multi-valent lithiated containing initiator and an aliphatic or cycloaliphatic solvent. | 10-16-2014 |