发明授权
- 专利标题： Polycarbonate preparation process
- 专利标题（中）： 聚碳酸酯制备工艺
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申请号： US09544744申请日： 2000-04-07
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公开(公告)号： US06225436B1公开(公告)日： 2001-05-01
- 发明人: Juergen Eiffler , Guenter A. Jueptner
- 申请人： Juergen Eiffler , Guenter A. Jueptner
- 主分类号： C08G6400
- IPC分类号： C08G6400
摘要：
Disclosed is a polycarbonate composition and process from making same, wherein introduction of a chain terminator and an acyl halide other than phosgene is after at least 25 percent of the hydroxyl groups in the dihydric phenol have been converted to chloroformate groups.
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