发明授权
US06329477B1 Method for increasing diene conversion in EPDM type polymerizations
有权
增加EPDM型聚合中二烯转化率的方法
- 专利标题： Method for increasing diene conversion in EPDM type polymerizations
- 专利标题（中）： 增加EPDM型聚合中二烯转化率的方法
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申请号： US09260784申请日： 1999-03-02
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公开(公告)号： US06329477B1公开(公告)日： 2001-12-11
- 发明人: Bruce A. Harrington , Charles C. Cozewith , Sudhin Datta , Bernard J. Folie , John F. Walzer, Jr. , Donna J. Crowther
- 申请人： Bruce A. Harrington , Charles C. Cozewith , Sudhin Datta , Bernard J. Folie , John F. Walzer, Jr. , Donna J. Crowther
- 主分类号： C08F206
- IPC分类号： C08F206
摘要：
This invention relates to a method of making polymer compositions, e.g. EPDM compositions, in a multistage reactor with monomers chosen from ethylene, C3-C8 alpha olefins, and a non conjugated diene. In particular, the invention relates to a process for improving diene conversion during the manufacture of the aforementioned polymer compositions by use of a multistage reactor and a metallocene catalyst system.