发明授权
- 专利标题： Polycarbonate compositions having good mold-release properties
- 专利标题（中）： 聚碳酸酯组合物具有良好的脱模性能
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申请号： US975477申请日： 1997-11-20
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公开(公告)号： US6008280A公开(公告)日： 1999-12-28
- 发明人: Sivaram Krishnan , Jon M. Newcome , James B. Johnson , Ramesh M. Pisipati , Jeffrey M. Tennant
- 申请人： Sivaram Krishnan , Jon M. Newcome , James B. Johnson , Ramesh M. Pisipati , Jeffrey M. Tennant
- 申请人地址： PA Pittsburgh
- 专利权人： Bayer Corporation
- 当前专利权人： Bayer Corporation
- 当前专利权人地址： PA Pittsburgh
- 主分类号： C08K5/103
- IPC分类号： C08K5/103
摘要：
A thermoplastic molding composition having improved release properties is disclosed. The composition contains a polycarbonate resin and a mold release agent which is a hydroxy ester conforming structurally to ##STR1## where R is a member selected from the group consisting of glycerol, trimethylol propyl and pentaerythritol radicals, R' denotes a C.sub.6-20 hydrocarbon radical having at least one pendant hydroxyl group, and x is 2 to 4.
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