发明名称 |
Process for the preparation of polycarbonates by melt-polycondensation |
摘要 |
A process for the preparation of a thermally stable polycarbonate by melt-polycondensing a dihydric phenol with a carbonic diester, which comprises using a compound selected from the group consisting of electron-donative amines and salts thereof as a catalyst. |
申请公布号 |
EP0872507(A3) |
申请公布日期 |
1998.12.16 |
申请号 |
EP19980111628 |
申请日期 |
1993.10.01 |
申请人 |
DAICEL CHEMICAL INDUSTRIES, LTD. |
发明人 |
KANNO, TATSUYA;FUKUDA, YUTAKA |
分类号 |
C08G64/00;C08G64/30 |
主分类号 |
C08G64/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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