| 发明名称 |
Process for preparing polyamides |
| 摘要 |
<p>The disclosure is a process for preparing polyamides by concentrating the wash water extract from the extraction of polyamide to an extractables content of not more than 85% by weight, adding fresh lactam down to a water content of from 0.5 to 13% by weight, and effecting at least one adiabatic expansion during the polymerization.</p> |
| 申请公布号 |
CZ20001929(A3) |
申请公布日期 |
2000.11.15 |
| 申请号 |
CZ20000001929 |
申请日期 |
1998.11.24 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HUENGER HANS-HARALD;LUDWIG ALFONS;NEUBERG RAINER;PIPPER GUNTER;SAUER THOMAS;WILMS AXEL |
| 分类号 |
C08G69/14;C08G69/04;C08G69/16;C08G69/46;(IPC1-7):C08G69/14 |
主分类号 |
C08G69/14 |
| 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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