发明名称 |
Asbestos-metal surfaced urethane modified polyisocyanurate foam |
摘要 |
A fireproof laminate passing Grade 2 incombustibility according to Japanese Industrial Standard (JIS) A-1321 combustion test is disclosed. The laminate comprises a urethane modified polyisocyanurate foam as a core material and particular surface materials piled on both sides of the foam through self-adhesion of the foam and has a density of the core material of 0.02-0.04 g/cm3 and a total thickness of not more than 30 mm.
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申请公布号 |
US4292361(A) |
申请公布日期 |
1981.09.29 |
申请号 |
US19790068289 |
申请日期 |
1979.08.20 |
申请人 |
BRIDGESTONE TIRE CO., LTD. |
发明人 |
OHASHI, TAKASHI;OKUYAMA, TORU;SUZUKI, AKIRA;ARAI, KATSUHIKO |
分类号 |
B32B5/18;B32B5/20;B32B15/04;B32B27/06;C08G18/00;C08G18/02;E04B1/94;(IPC1-7):B32B5/20 |
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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