发明授权
US06211330B1 Process of making an epoxide polymer using highly active double metal cyanide catalysts
失效
使用高活性双金属氰化物催化剂制备环氧化物聚合物的方法
- 专利标题： Process of making an epoxide polymer using highly active double metal cyanide catalysts
- 专利标题（中）： 使用高活性双金属氰化物催化剂制备环氧化物聚合物的方法
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申请号： US08902784申请日： 1997-07-30
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公开(公告)号： US06211330B1公开(公告)日： 2001-04-03
- 发明人: Bi Le-Khac
- 申请人： Bi Le-Khac
- 主分类号： C08G5900
- IPC分类号： C08G5900
摘要：
Improved double metal cyanide (DMC) catalysts are disclosed. The catalysts comprise a DMC compound, an organic complexing agent, from about 0.1 to about 10 wt. % of an organophosphine oxide, and optionally, a polyether. Compared with other DMC catalysts prepared in the absence of the organophosphine oxide, those of the invention have higher activity for epoxide polymerization, and they give polyols having reduced unsaturation even at high epoxide polymerization temperatures.
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