发明名称 |
Fire resistant laminar cushioning material |
摘要 |
A composite fire resistant laminar cushioning material is disclosed. The material comprises a foamed polyphosphazene upper lamella and a foamed polyurethane lower lamella. The foamed polyphosphazene further comprises a lamelliform substantially unfoamed outer first layer and a substantially foamed second layer. The cushioning material is capable of passing the Cal-133 flammability test.
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申请公布号 |
US4948648(A) |
申请公布日期 |
1990.08.14 |
申请号 |
US19890448611 |
申请日期 |
1989.12.11 |
申请人 |
ETHYL CORPORATION |
发明人 |
DADGAR, BILLIE B.;WALTER, THOMAS J. |
分类号 |
B32B5/18;C08J9/00 |
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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