发明名称 |
PROCEDIMIENTO PARA PREPARAR ESPUMA FENOLICA |
摘要 |
<p>A phenolic foam produced without the use of a conventional chlorofluorocarbon or hydrocarbon blowing agent is disclosed. The phenolic foam is produced as the reaction product of a mixture comprising a phenolic resole, a surfactant and stannous chloride. The phenolic foams can be formulated to contain a substantial proportion of closed cells.</p> |
申请公布号 |
ES498925(D0) |
申请公布日期 |
1982.05.01 |
申请号 |
ES19250004989 |
申请日期 |
1981.01.29 |
申请人 |
ARMSTRONG WORLD INDUSTRIES,INC. |
发明人 |
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分类号 |
C08J9/00;C08J9/12;(IPC1-7):08F8/10 |
主分类号 |
C08J9/00 |
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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