发明名称 |
Verwendung von Heterogenkatalysatoren in Verfahren zur Herstellung von Polyamiden |
摘要 |
The invention relates to the use of metal oxides as heterogeneous catalysts in a method for the production of polyamides by polymerization of lactams and possibly other polyamide-forming monomers. According to said method the metal oxides are used in a form which permits their mechanical separation from the reaction mixture and during or at the end of polymerization are separated from the reaction mixture so as to reduce the content of extractable compounds in the polyamide obtained in this way.
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申请公布号 |
DE19901013(A1) |
申请公布日期 |
2000.07.20 |
申请号 |
DE19991001013 |
申请日期 |
1999.01.13 |
申请人 |
BASF AG |
发明人 |
MOHRSCHLADT, RALF;HILDEBRANDT, VOLKER |
分类号 |
C08G69/16;C08G69/04;C08G69/20;C08G69/28;(IPC1-7):C08G69/20;C08G69/46;C08L77/00 |
主分类号 |
C08G69/16 |
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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