发明名称 |
Insulation boards and methods for their manufacture |
摘要 |
A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.
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申请公布号 |
US7612120(B2) |
申请公布日期 |
2009.11.03 |
申请号 |
US20030640895 |
申请日期 |
2003.08.13 |
申请人 |
BFS DIVERSIFIED PRODUCTS, LLC |
发明人 |
LETTS JOHN B. |
分类号 |
C08G18/42;C08G18/32;C08J9/14;C08J9/22 |
主分类号 |
C08G18/42 |
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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