| 发明名称 |
Catalytic production of aromatic polyamides from high purity monomers |
| 摘要 |
Aromatic polyamides having an improved resistance against thermal oxidation, are produced by utilizing monomers having a very high degree of purity, at least 99.90% by weight, preferably, at least 99.94%.
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| 申请公布号 |
US4980451(A) |
申请公布日期 |
1990.12.25 |
| 申请号 |
US19900472918 |
申请日期 |
1990.01.31 |
| 申请人 |
HUELS AKTIENGESELLSCHAFT |
发明人 |
FINKE, JUERGEN;BARTMANN, MARTIN;FEINAUER, ROLAND |
| 分类号 |
C08G69/28;C08G69/04;C08G69/32;C08G69/40;C08G69/42;C08G69/46;C08L77/00;C08L77/10 |
主分类号 |
C08G69/28 |
| 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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