Patent application number | Description | Published |
20140100316 | BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention relates to a branched conjugated diene copolymer which is useful for preparing a rubber composition, having high uniformity of a temperature dependence curve of a viscoelasticity tanδ, for a tire, a rubber composition comprising the copolymer, and a pneumatic tire produced using the rubber composition for a tire. The branched conjugated diene copolymer is composed of monomer components comprising a branched conjugated diene compound represented by a general formula (1): | 04-10-2014 |
20140200321 | BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention relates to a branched conjugated diene copolymer which is useful for preparing a rubber composition, having high uniformity of a temperature dependence curve of a viscoelasticity tan δ, for a tire, a rubber composition comprising the copolymer, and a pneumatic tire produced using the rubber composition for a tire. The branched conjugated diene copolymer is composed of monomer components comprising a branched conjugated diene compound represented by a general formula (1): | 07-17-2014 |
20140296373 | STUDLESS WINTER TIRE - Provided is a studless winter tire which provides good performance on ice and snow and good abrasion resistance, and suffers little change in hardness and little discoloration on the tire surface. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a predetermined amount of a farnesene resin obtained by polymerizing farnesene. The present invention relates to a studless winter tire including a tread formed from a rubber composition containing a predetermined amount of at least one myrcene resin selected from the group consisting of myrcene polymers with a Mw of 1,000-500,000, myrcene-butadiene copolymers with a Mw of 1,000-500,000, and myrcene-styrene copolymers with a Mw of 1,000-150,000; and a predetermined amount of a silica with an N | 10-02-2014 |
20140357824 | BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - There is provided a branched conjugated diene copolymer prepared by copolymerizing 1 to 99% by weight of a branched conjugated diene compound (1): | 12-04-2014 |
20140371415 | BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - There is provided a branched conjugated diene copolymer prepared by copolymerizing 1 to 99% by weight of a branched conjugated diene compound (1): | 12-18-2014 |
20150031839 | HYDROGENATED BRANCHED CONJUGATED DIENE COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE - There is provided a hydrogenated branched conjugated diene copolymer prepared by copolymerizing 1 to 99% by weight of a branched conjugated diene compound (1): | 01-29-2015 |
20150038657 | PREPARATION PROCESS OF BRANCHED CONJUGATED DIENE POLYMER - There is provided a process for preparing a branched conjugated diene polymer by copolymerizing 1 to 100% by weight of a branched conjugated diene compound (1) monomer: | 02-05-2015 |
20150218305 | PARTIALLY HYDROGENATED PHENOLIC RESIN, RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a novel partially hydrogenated phenolic resin being prepared by selectively hydrogenating double bonds other than those on aromatic rings of a phenolic resin and having a hydrogenation ratio of the double bonds of from 30 to 100% and a hydroxyl value of from 30 to 500 mgKOH/g, a rubber composition comprising the resin and exhibiting excellent grip performance and abrasion resistance, and a pneumatic tire produced using the rubber composition. | 08-06-2015 |