| 发明名称 |
Pitch resistant hot melt polyurethane |
| 摘要 |
The present invention relates to hot melt polyurethanes. The polyurethane can include a polyol and both a pure and polymeric polyisocyanate. Generally the polyurethane can be used to improve pitch resistance in building materials.
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| 申请公布号 |
US2007031680(A1) |
申请公布日期 |
2007.02.08 |
| 申请号 |
US20060492719 |
申请日期 |
2006.07.25 |
| 申请人 |
FROMWILLER JOHN;BRINDEL ALYSSA |
发明人 |
FROMWILLER JOHN;BRINDEL ALYSSA |
| 分类号 |
B32B27/40 |
主分类号 |
B32B27/40 |
| 代理机构 |
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代理人 |
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