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METHOD FOR PRODUCING MODIFIED POLYMER AND DIENE-BASED POLYMER 发明申请

2023-06-21 2880 199K 0

专利信息

申请日期 2025-07-07 申请号 JP2012285759
公开(公告)号 JP2014125618A 公开(公告)日 2014-07-07
公开国别 JP 申请人省市代码 全国
申请人 TOYO TIRE RUBBER CO LTD
简介 PROBLEM TO BE SOLVED : To provide a method for producing a modified polymer which can rearrange main chains and can introduce functional groups to a main chain structure thereof by decomposing and recombining two or more kinds of polymers. SOLUTION : Two or more kinds of polymers having carbon-carbon double bonds in their main chains are degraded by oxidatively cleaving the carbon-carbon double bonds to reduce their molecular weight, and a system including the degraded polymers is recombined the polymer chains to obtain a modified polymer having modified molecular structure by changing acidity and basicity such that when the system is acidic the system is made basic or, conversely, when the system is basic the system is made acidic. COPYRIGHT : (C)2014, JPO&INPIT


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