发明名称 |
FIRE RESISTANT INSULATION COMPOSITION |
摘要 |
A fire resistant insulating composite material is described which can be used to insulate tunnel walls and prevent ground water from freezing. This composite material comprises a layer of closed cell polyethylene foam that has been bonded on one or both sides to a metal sheet. Another aspect of the invention relates to the installation of such fire resistant tunnel insulating compositions to the interior rock face wall of a tunnel. |
申请公布号 |
WO8901864(A1) |
申请公布日期 |
1989.03.09 |
申请号 |
WO1988US02911 |
申请日期 |
1988.08.24 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
APOSTOLOPOULOS, IOANNIS |
分类号 |
B32B5/18;B32B15/08;B32B15/085;E04B1/94;E21D11/38;(IPC1-7):B32B3/26;B32B7/00 |
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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