发明名称 |
Process for preparing polyphenylene oxides |
摘要 |
Polyphenylene oxides, self-condensation products of phenols, are prepared with a high yield through oxidative coupling by employing a catalyst system with higher activity, which comprises a copper compound, iodine or an iodine-containing compound and a primary amine.
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申请公布号 |
US4067851(A) |
申请公布日期 |
1978.01.10 |
申请号 |
US19750639141 |
申请日期 |
1975.12.09 |
申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
TOMITA, TETSUO;YOSHII, TADASHI;ITO, AKIRA |
分类号 |
C08G65/44;(IPC1-7):C08G65/44 |
主分类号 |
C08G65/44 |
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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