发明名称 |
Polyimide precursor solid residuum |
摘要 |
A polyimide precursor solid residuum is an admixture of an aromatic dianhydride or derivative thereof and an aromatic diamine or dervative thereof plus a complexing agent, which is complexed with the admixture by hydrogen bonding. The polyimide precursor solid residuum is effectively employed in the preparation of polyimide foam and the fabrication of polyimide foam structures.
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申请公布号 |
US6180746(B1) |
申请公布日期 |
2001.01.30 |
申请号 |
US19990316428 |
申请日期 |
1999.05.21 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION;UNITIKA, LTD |
发明人 |
WEISER ERIK S.;ST. CLAIR TERRY L.;ECHIGO YOSHIAKI;KANESHIRO HISAYASU |
分类号 |
C08G73/10;C08J9/02;(IPC1-7):C08G73/10;C08G69/26 |
主分类号 |
C08G73/10 |
代理机构 |
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