| 发明名称 |
Process for preparing polycarbonates using cyclic amidine catalysts |
| 摘要 |
An interfacial polymerization process for preparing high molecular weight aromatic polycarbonates by reacting a dihydric phenol with a carbonate precursor in the presence of a catalytic amount of a cyclic amidine.
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| 申请公布号 |
US4277598(A) |
申请公布日期 |
1981.07.07 |
| 申请号 |
US19790107726 |
申请日期 |
1979.12.28 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
HALL, WALTER L.;JAQUISS, DONALD B. G.;MARK, VICTOR |
| 分类号 |
C08G64/24;(IPC1-7):C08G63/62 |
主分类号 |
C08G64/24 |
| 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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