发明名称 |
COMPOSITE ARTICLES CONTAINING SEMI-RIGID POLYURETHANE FOAM BONDED TO A POLYMERIC SHEET |
摘要 |
<p>A composite article comprising a body of semi-rigid polyurethane foam in contact with a layer of sheet of polymeric material, the foam having been prepared by reacting an organic polyisocyanate with a polymeric polyol having a hydroxyl number in the range from 20 to 80 and a crosslinking agent or chain extender having a hydroxyl number of at least 250 in the presence of water and a catalytically effective amount of an alkali metal or alkaline earth metal salt of an acid of the formula : R-A-COOH wherein R represents R min OCO-, R min COO- or R min O-, R min represents an optionally substituted hydrocarbon or heterocyclic radical and A represents an optionally substituted C1-C3 chain.</p> |
申请公布号 |
NZ224720(A) |
申请公布日期 |
1990.04.26 |
申请号 |
NZ19880224720 |
申请日期 |
1988.05.20 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
ELING, BEREND;HUYGENS, ERIC |
分类号 |
B32B5/18;C08G18/16;C08G18/22;C08J9/04;(IPC1-7):B32B27/40;C08L67/00;C08L71/00 |
主分类号 |
B32B5/18 |
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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