发明名称 |
METHOD FOR PRODUCING POLYMER |
摘要 |
<p>A method for producing a polymer has: a polymerization step of polymerizing at least a conjugated diene monomer in a hydrocarbon solvent using an organolithium compound as a polymerization initiator, and obtaining a polymer; and, following steps (1) to (4), successively performing after the polymerization step: (1) a step of mixing an acid and water of 20 to 300 parts by mass into the solution containing the polymer of 100 parts by mass, (2) a step of adjusting an amount of the water to 10 parts by mass or less based on 100 parts by mass of the solution containing the polymer, (3) a step of adding a carbon oxide gas and/or a compound to be decarboxylated to the solution containing the polymer, and (4) a step of removing a solvent from the solution containing the polymer until a concentration of the polymer reaches 95 mass% or more.</p> |
申请公布号 |
EP2947101(A1) |
申请公布日期 |
2015.11.25 |
申请号 |
EP20140740721 |
申请日期 |
2014.01.08 |
申请人 |
ASAHI KASEI CHEMICALS CORPORATION |
发明人 |
ARAKI, YOSHIFUMI;SASAYA, EIJI;SUZUKI, TAKUYA |
分类号 |
C08F6/06;C08F2/06;C08F36/04;C08F236/10;C08F297/04;C08L9/00 |
主分类号 |
C08F6/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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