| 发明名称 |
Uretdione formation in solution |
| 摘要 |
The invention relates to a process for preparing polyisocyanates having a high uretdione group content by phosphine-catalysed isocyanate oligomerization in the presence of organic carbonates and/or nitriles. |
| 申请公布号 |
US8058382(B2) |
申请公布日期 |
2011.11.15 |
| 申请号 |
US20060333575 |
申请日期 |
2006.01.17 |
| 申请人 |
RICHTER FRANK;LAAS HANS-JOSEF;HALPAAP REINHARD;HECKING ANDREAS;BAYER MATERIALSCIENCE AG |
发明人 |
RICHTER FRANK;LAAS HANS-JOSEF;HALPAAP REINHARD;HECKING ANDREAS |
| 分类号 |
C08G18/79;C07C263/16;C07C265/00;C07D229/00;C08G18/80 |
主分类号 |
C08G18/79 |
| 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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