发明授权
- 专利标题： Bulk polymerization of conjugated dienes using a nickel-based catalyst system
- 专利标题（中）： 使用镍基催化剂体系共轭二烯的本体聚合
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申请号： US13976284申请日： 2011-12-30
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公开(公告)号： US08987395B2公开(公告)日： 2015-03-24
- 发明人: Kevin M. McCauley , Steven Luo
- 申请人： Kevin M. McCauley , Steven Luo
- 申请人地址： JP Tokyo
- 专利权人： Bridgestone Corporation
- 当前专利权人： Bridgestone Corporation
- 当前专利权人地址： JP Tokyo
- 代理商 Meredith E. Hooker; Arthur M. Reginelli
- 国际申请： PCT/US2011/068069 WO 20111230
- 国际公布： WO2012/092547 WO 20120705
- 主分类号： C08F4/70
- IPC分类号： C08F4/70 ; C08F4/80 ; C08F2/02 ; C08F36/00 ; C08F136/06 ; C08F36/04
摘要：
A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a nickel-based catalyst system, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, where the temperature of the polymerization mixture is maintained below 34° C. during said step of polymerizing, and where the conversion of the conjugated diene monomer is maintained below 30%.
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