| 发明名称 |
Method for increasing the molecular weight of polyamides and polyesteramides. |
| 摘要 |
<p>A process is described for increasing the molecular weights of thermoplastic polyamides and polyesteramides by fluxing and homogenizing the subject polymers which have been prepared by the reaction of an organic diisocyanate and a dicarboxylic acid with an effective amount of an organic diisocyanate reagent at a temperature of at least 150°C.</p> |
| 申请公布号 |
EP0233490(A2) |
申请公布日期 |
1987.08.26 |
| 申请号 |
EP19870100711 |
申请日期 |
1987.01.20 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
NELB, ROBERT G. II;ONDER, KEMAL;RAUSCH, KARL W.;VANDERLIP, JOHN A. |
| 分类号 |
C08G18/60;C08G69/48;C08G18/34;C08G18/42;C08G18/83;(IPC1-7):C08G69/48;C08G69/44;C08G69/28 |
主分类号 |
C08G18/60 |
| 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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