发明名称 |
Reduced-friability, highly cross-linked, flame-resistant, polyurethane foams |
摘要 |
Highly flame-resistant polyurethane foams of improved friability and reduced brittleness without a corresponding substantial increase in flame-spread or smoke-generation characteristics are prepared by incorporating into a foamable polyurethane composition an amount of a liquid organic carbonate, such as ethylene or propylene carbonate.
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申请公布号 |
US4071482(A) |
申请公布日期 |
1978.01.31 |
申请号 |
US19760735883 |
申请日期 |
1976.10.27 |
申请人 |
GEN LATEX & CHEM CORP |
发明人 |
HOPKINS, JR., HENRY S.;VARGO, DONALD L. |
分类号 |
C08J9/00;(IPC1-7):C08G18/14 |
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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