Class / Patent application number | Description | Number of patent applications / Date published |
525332900 | Interpolymer with aromatic hydrocarbon | 15 |
20080234438 | EPOXIDATION OF UNSATURATED CATIONICALLY STABILIZED POLYMER LATEX - The present invention is directed to a process for synthesizing an epoxidized polymer that includes the steps of: | 09-25-2008 |
20090131597 | PROCESS FOR THE PREPARATION OF A HYDROGENATED CONJUGATED DIENE-BASED POLYMER - The present invention relates to a process for the preparation of a hydrogenated conjugated diene-based polymer comprising effectively removing the residues including the titanium-based catalyst, a reducing agent, etc., remaining in the conjugated diene-based polymer solution after hydrogenation by extraction from an aqueous layer through separation using an organic acid, alcohol and water. | 05-21-2009 |
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 |
20120165477 | Master batch elastometer containing organically modified silica and method of preparing the same - Provided are an organically modified silica master batch elastomer having superior affinity for silica and a method for preparing the same. A copolymer solution-polymerized from a conjugated diene-based monomer and a vinyl aromatic monomer is mixed in solution with organically modified silica having the silica modified with a specific aliphatic hydrocarbon to prepare the organically modified silica master batch elastomer. The organically modified silica master batch elastomer according to the present invention has improved mechanical properties, abrasion resistance and blending processability over the existing master batch elastomers containing common silica. Thus, when it is used as a tire material, improved fuel efficiency, abrasion resistance and wet traction may be expected. | 06-28-2012 |
20130165596 | FUNCTIONTIONALIZED ELASTOMER - The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion. | 06-27-2013 |
20130303706 | METHOD OF PRODUCING A TREAD COMPOUND - A method of producing a rubber compound, which includes mixing at least one cross-linkable unsaturated-chain polymer base, silica with a surface area of 100-220 m | 11-14-2013 |
20140066578 | METHOD FOR HYDROGENATING POLYMER AND HYDROGENATED POLYMER THEREOF - A method for hydrogenating a polymer containing vinyl aromatic block and the hydrogenated polymer are provided. The method includes providing a polymer having at least one vinyl aromatic block; and hydrogenating the polymer in presence of a heterogeneous catalyst on a support, wherein the heterogeneous catalyst consists essentially of Ru, Zn and B, or Ru, Zn and P. | 03-06-2014 |
20140187723 | POLYSILOXANE COMPOUND, MODIFIED CONJUGATED DIENE-VINYL AROMATIC COPOLYMER AND PREPARING METHOD THEREOF - The present invention relates to a polysiloxane compound having a structure represented by formula 1: | 07-03-2014 |
20140357804 | RUBBER COMPOSITION FOR TIRE, VULCANIZED RUBBER COMPOSITION FOR TIRE, AND TIRES USING SAME - An object of the present invention is to provide a rubber composition for a tire, capable of achieving both good rolling resistance properties and good wear resistance in a sufficiently compatible manner when the rubber composition is applied to a component member of a tire. Specifically, the present invention provides a rubber composition comprising a rubber composition and hydrated silica, wherein “CTAB” (m | 12-04-2014 |
20150099852 | AMINOSILANE INITIATORS, FUNCTIONALIZED POLYMERS PREPARED THEREFROM AND RELATED PROCESSES - Disclosed herein are metallated aminosilane compounds for use as functional initiators in anionic polymerizations and processes for producing an aminosilane-functionalized polymer using the metallated aminosilane compounds to initiate anionic polymerization of at least one type of anionically polymerizable monomer. Preferred use of the metallated aminosilane compounds results in rubber compositions for use in tires comprising an aminosilane functionalized polymer. A telechelic polymer may result from use of the metallated aminosilane compound and a functional terminator. | 04-09-2015 |
20150315324 | TERMINAL BORINIC ACID GROUP-MODIFIED POLYMER, METHOD OF MANUFACTURING THE SAME AND RUBBER COMPOSITION CONTAINING THE SAME - Provided is a terminal borinic acid group-modified polymer having a borinic acid group at least at a molecular terminus thereof, comprising a polymer of at least one of a styrene monomer and a diene monomer. The above terminal borinic acid group-modified polymer may be manufactured by performing a polymerization reaction of at least one of a styrene monomer and a diene monomer in the presence of an anionic polymerization initiator, and then adding a cyclic boronic anhydride to quench the polymerization reaction. When the resulting terminal borinic acid group-modified polymer is added to a silica-containing rubber composition for automobile pneumatic tires as a component thereof, the dispersibility of silica compounded therein can be improved, fully achieving a performance of a good balance between reduced rolling resistance inherent in silica and stability on a wet road. | 11-05-2015 |
20150322190 | Modified Polymer - The present technology provides a modified polymer which is modified with two or more types of nitrones that include a nitrone having at least one carboxy group and a nitrone having no carboxy group. | 11-12-2015 |
20160009903 | MODIFIED CONJUGATED DIENE POLYMER AND METHOD FOR PRODUCING SAME, POLYMER COMPOSITION, CROSSLINKED POLYMER, AND TIRE | 01-14-2016 |
20160083494 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion. | 03-24-2016 |
20160083498 | MODIFIED DIENE BASED POLYMER - Provided is a modified diene based polymer in which a diene based polymer is graft modified with a polyether having a mercapto group attached via diurethane bonding. Formation of diurethane bonding is performed by allowing sequential reactions of two species of hydroxyl group-containing compounds with an diisocyanate compound. By adding the modified diene based polymer to a silica-containing rubber composition for automobile pneumatic tires, the dispersibility of silica compounded in the rubber composition can be improved, and a property inherent in silica which simultaneously allows a reduction of rolling resistance and a stability on wet road surfaces can be sufficiently effected. | 03-24-2016 |