发明名称 |
Process for the continuous production of polyamides |
摘要 |
A process for the production of polyamides by the polycondensation of aqueous solutions of salts of diamines and dicarboxylic acids by continuously introducing the aqueous salt solution into a precondensate melt under atmospheric pressure and simultaneously distilling off the water and maintaining the temperature of the melt at a minimum temperature of 180 DEG C.
|
申请公布号 |
US4465821(A) |
申请公布日期 |
1984.08.14 |
申请号 |
US19830504666 |
申请日期 |
1983.06.15 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
NIELINGER, WERNER;ALEWELT, WOLFGANG;HERMANN, KARL H. |
分类号 |
C08G69/00;C08G69/28;(IPC1-7):C08G69/26 |
主分类号 |
C08G69/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|