| 发明名称 |
CATALYST AND PROCESS FOR THE TRIMERISATION OF ISOCYANATES |
| 摘要 |
Method for preparation of polyisocyanates and polyisocyanurates by catalytic cyclotrimerization of isocyanates uses catalyst based on a quaternary ammonium salt with imidazole, or one of its derivatives, as co-catalyst. An Independent claim is also included for a polymer composition produced by said method. |
| 申请公布号 |
EP1375545(A1) |
申请公布日期 |
2004.01.02 |
| 申请号 |
EP20030020852 |
申请日期 |
1998.11.04 |
| 申请人 |
RHODIA CHIMIE |
发明人 |
REVELANT, DENIS;BERNARD, JEAN-MARIE |
| 分类号 |
C08G18/02;B01J31/02;C07D233/54;C08G18/18;C08G18/20;C08G18/38 |
主分类号 |
C08G18/02 |
| 代理机构 |
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