| 发明名称 |
PREPARATION OF POLYISOCYANATES CONTAINING URETDIONE GROUPS |
| 摘要 |
The invention relates to the use of cycloalkylphosphines as catalysts f or isocyanate dimerization and to a process for preparing polyisocyanates containing uretdione groups.
|
| 申请公布号 |
CA2450453(A1) |
申请公布日期 |
2004.05.25 |
| 申请号 |
CA20032450453 |
申请日期 |
2003.11.21 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
RICHTER, FRANK;HECKING, ANDREAS;LAAS, HANS-JOSEF;HALPAAP, REINHARD |
| 分类号 |
C07D229/00;C08G18/02;C08G18/16;C08G18/79;(IPC1-7):C08G18/75;C07C263/00;C08K5/50;C08G18/72 |
主分类号 |
C07D229/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
