| 发明名称 |
Flexible polyurethane foams prepared from cotrimers of alkylene-bridged polyphenylene polyisocyanates |
| 摘要 |
Flexible polyurethane foams having improved flame resistance and "guide factor" are prepared by reacting a copolymer polyahl, isocyanate-terminated prepolymer containing a cotrimer of MDI and a blowing agent.
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| 申请公布号 |
US4552903(A) |
申请公布日期 |
1985.11.12 |
| 申请号 |
US19840685290 |
申请日期 |
1984.12.24 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
NAFZIGER, JOHN L.;SNYDER, MARK A.;MOBLEY, LARRY W. |
| 分类号 |
C08G18/63;C08G18/79;C08L75/04;(IPC1-7):C08G18/14 |
主分类号 |
C08G18/63 |
| 代理机构 |
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