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CONTINUOUS METHOD FOR PRODUCING A DIENE ELASTOMER 发明申请

2023-07-03 2980 1001K 0

专利信息

申请日期 2025-07-14 申请号 US16767731
公开(公告)号 US20210380728A1 公开(公告)日 2021-12-09
公开国别 US 申请人省市代码 全国
申请人 COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
简介 A continuous method for producing a diene elastomer is provided. The method comprises a polymerization reaction of a catalytic system with at least one conjugated diene monomer to be polymerized in solution in a solvent. The catalytic system is based on at least a rare earth organic salt and an alkylating agent, in at least two full polymerization reactors in series. A portion of the conjugated diene monomer to be polymerized is introduced into a polymerization reactor subsequent to the first polymerization reactor.


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