| 发明名称 |
Composition and process for improving heat and weathering stability of segmented polyurethane polymers |
| 摘要 |
The present invention relates to the stabilization of segmented polyurethanes by the addition of a combination of antioxidants, benzofuranones and or sterically hindered amines and a hydrazine or hydrazide.
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| 申请公布号 |
US7642304(B2) |
申请公布日期 |
2010.01.05 |
| 申请号 |
US20050299469 |
申请日期 |
2005.12.12 |
| 申请人 |
CIBA SPECIALTY CHEMICALS CORPORATION |
发明人 |
CHAN SOKE MENG;GOH CHIN SIONG;JUNAIDI MUHAMADZEN |
| 分类号 |
C08K5/3435;C07C39/15;C08K5/1535;C08K5/24 |
主分类号 |
C08K5/3435 |
| 代理机构 |
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