发明名称 |
Polyphenylene ether-polycarbonate copolymers and method of preparation. |
摘要 |
<p>Polyphenylene ether-polycarbonate copolymers are prepared by reacting a polyphenylene ether, preferably one which has been acid-functionalized by reaction with a compound such as maleic anhydride or fumaric acid, with an aromatic polycarbonate at a temperature of at least about 175 DEG C in the presence of a polycarbonate-forming transesterification catalyst, typically a tetraalkyl titanate or a tetraalkylammonium tetraphenylborate. Under these conditions, the polycarbonate chain is cleaved and fragments thereof are chemically bonded to the polyphenylene ether.</p> |
申请公布号 |
EP0279196(A2) |
申请公布日期 |
1988.08.24 |
申请号 |
EP19880100759 |
申请日期 |
1988.01.20 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
CAMPBELL, JOHN ROBERT;SHEA, TIMOTHY JOHN |
分类号 |
C08G65/48;C08G81/00;(IPC1-7):C08G81/02 |
主分类号 |
C08G65/48 |
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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