发明名称 |
Copolyimides-polyamides from aliphatic and aromatic anhydrides, dicarboxylic acids, and diamines |
摘要 |
This invention relates to copolyimides-polyamides prepared from mixtures of tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride (TMCDA), aromatic or aliphatic dianhydrides, and dicarboxylic acids or their esters or acid chlorides. These dianhydride-dicarboxylic acid mixtures are then reacted with aliphatic or aromatic diamines. These novel copolyimides-polyamides are useful in the preparation of molded articles, fibers, films, laminates and coatings.
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申请公布号 |
US4413115(A) |
申请公布日期 |
1983.11.01 |
申请号 |
US19820427018 |
申请日期 |
1982.09.29 |
申请人 |
STANDARD OIL COMPANY (INDIANA) |
发明人 |
NIMRY, TAYSEER S.;FIELDS, ELLIS K. |
分类号 |
C08G73/10;C08G73/14;(IPC1-7):C08G73/10 |
主分类号 |
C08G73/10 |
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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