发明名称 |
Process for preparing polyamide-imide foam |
摘要 |
This invention relates to preparation of polyamide-imide foam by extruding foamable composition comprising polyamide-imide and volatiles into a confined expansion zone, expanding the composition therein and cooling the result. The resulting foams are essentially open-celled and exhibit good strength, insulating properties and other desirable features.
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申请公布号 |
US4960549(A) |
申请公布日期 |
1990.10.02 |
申请号 |
US19880197208 |
申请日期 |
1988.05.23 |
申请人 |
AMOCO CORPORATION |
发明人 |
BROOKS, GARY T.;CONNOLLY, BRIAN C.;RILEY, ROBERT |
分类号 |
B29C44/50;B29C44/60;B29C47/34 |
主分类号 |
B29C44/50 |
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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