发明名称 |
PROCESS FOR PRODUCING AROMATIC POLYAMIDE-IMIDE |
摘要 |
In a process for producing an aromatic polyamide-imide by polycondensation of an aromatic tricarboxylic acid and/or aromatic tricarboxylic anhydride and an aromatic diamine with heating in the presence of a dehydration catalyst, the improvement which comprises using a solvent containing sulfolane as a reaction medium. |
申请公布号 |
DE3376427(D1) |
申请公布日期 |
1988.06.01 |
申请号 |
DE19833376427 |
申请日期 |
1983.04.11 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
KATSUJI, UENO;KENJI, NAGAOKA |
分类号 |
C08G73/00;C08G73/14;(IPC1-7):C08G73/14 |
主分类号 |
C08G73/00 |
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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