公开(公告)号：EP2883909A4

公开(公告)日：2016-06-15

申请号：EP13834844

申请日：2013-09-06

Applicant: SUMITOMO RUBBER IND

Inventor： KOJIMA RYOJI ,  YOKOYAMA YUKA ,  YOSHINO MASAFUMI

IPC: C08L9/06 ,  B60C1/00 ,  C08F212/08 ,  C08F236/06 ,  C08F236/10 ,  C12P5/00 ,  C12P5/02 ,  C12P7/16

CPC classification number: C08F236/10 ,  B60C1/00 ,  B60C1/0016 ,  C07C11/167 ,  C08F212/08 ,  C08F236/06 ,  C08K3/04 ,  C08K3/36 ,  C08K5/548 ,  C08L7/00 ,  C08L9/06 ,  C12P5/005 ,  C12P5/026

Abstract: Provided are rubber compositions for tires capable of providing tire components and pneumatic tires that have the same level of fuel efficiency and wet grip performance (particularly, wet grip performance) as those of tire components and pneumatic tires containing conventional synthetic rubber, while satisfying the requirements for a sound material-cycle society. The present invention relates to rubber compositions for tires containing a biomass-derived rubber polymerized from an aromatic vinyl compound and a diene, the biomass-derived rubber having a pMC (percent modern carbon) measured in accordance with ASTM D 6866-10 of 1% or higher.