专利检索 ap:("BRIDGESTONE CORPORATION") AND inv:"OSAKADA, Kohtaro" 第 1 页

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发明公开
POLYBUTADIENE, POLYBUTADIENE PRODUCTION METHOD, POLYBUTADIENE COMPOSITION, TIRE, AND RESIN MEMBER 审中-公开

公开(公告)号：EP3892652A1

公开(公告)日：2021-10-13

申请号：EP19891970.6

申请日：2019-10-17

申请人： BRIDGESTONE CORPORATION

发明人： TAKANO, Shigenaga , KAITA, Shojiro , OSAKADA, Kohtaro , TAKEUCHI, Daisuke , YAMAKAWA, Shinji

IPC分类号： C08F36/06 , B60C1/00 , C08F4/70 , C08L9/00

摘要： Provided is novel polybutadiene having high isotacticity. The polybutadiene has a triad isotacticity (mm) of 72 % or more.