发明授权
- 专利标题: Method for the production of block copolymers by retarded anionic polymerization
- 专利标题(中): 通过延迟阴离子聚合制备嵌段共聚物的方法
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申请号: US09622175申请日: 2000-08-14
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公开(公告)号: US06353056B1公开(公告)日: 2002-03-05
- 发明人: Konrad Knoll , Hermann Gausepohl , Volker Warzelhan , Christian Schade , Wolfgang Fischer
- 申请人: Konrad Knoll , Hermann Gausepohl , Volker Warzelhan , Christian Schade , Wolfgang Fischer
- 优先权: DE19806785 19980218
- 主分类号: C08F29704
- IPC分类号: C08F29704
摘要:
In a process for the preparation of block copolymers from vinylaromatic monomers and dienes, the monomers are polymerized in the presence of at least one alkali metal organyl or alkali metal alkoxide and at least one magnesium, aluminum or zinc organyl.
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