发明名称 |
Polyurethane froth foams |
摘要 |
A process for the manufacture of a polyurethane froth foam is provided. The process, which comprises contacting a polyurethane forming formulation with an inert gas under conditions which produce a froth, uses a formulation which contains either (1) an aromatic amine having the formula <IMAGE> wherein the R groups are independently selected from hydrogen or alkyl groups and the R1 and R2 groups are independently selected from hydrogen or hydroxyalkyl groups or (2) an alkoxylated bisphenol A. Optionally a second additive which is a linear glycol can also be used. The polyurethane froth foams produced are thermoformable while exhibiting good shape retention at ambient temperature.
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申请公布号 |
US4757096(A) |
申请公布日期 |
1988.07.12 |
申请号 |
US19870119740 |
申请日期 |
1987.11.12 |
申请人 |
BP CHEMICALS LIMITED |
发明人 |
BERTHEVAS, PAUL R.;FANGET, ALAIN F. |
分类号 |
B32B5/18;C08G18/16;C08G18/18;C08G18/65;C08G18/66;C08J9/02;C08J9/30;D06N3/14;(IPC1-7):C08G18/30 |
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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