发明名称 |
Method of making polyisocyanurate foam laminate |
摘要 |
A process for producing a laminate of polyisocyanurate foam which is the reaction product of a polymethylene polyphenylisocyanate and a polyol which is ethoxylated trimethylol propane, ethoxylated trimethylol ethane, ethoxylated pentaerythritol or ethoxylated glycerin. Laminates of such foams exhibit improved adhesion of the facing sheet.
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申请公布号 |
US4362678(A) |
申请公布日期 |
1982.12.07 |
申请号 |
US19810312584 |
申请日期 |
1981.10.19 |
申请人 |
THE CELOTEX CORPORATION |
发明人 |
SKOWRONSKI, MICHAEL J.;DELEON, ALBERTO |
分类号 |
B32B27/40;C08G18/09;C08G18/48;(IPC1-7):B32B3/26;B32B5/20;B32B31/14;B29D7/14 |
主分类号 |
B32B27/40 |
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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