发明名称 |
STRANGGEPRESSTER SCHAUMSTOFF NIEDRIGER DICHTE MIT HOHER DRUCKFESTIGKEIT. |
摘要 |
A low density extruded structural foam of closed cell structure having good compressive strength comprising a engineered thermoplastic resin, alone, or containing a flame retarding agent and/or nucleating agent, optionally combined with a vinyl aromatic resin, and a blowing agent is produced by feeding said resin, or composition, into a primary extruder (2) wherein mixing, adding a blowing agent which is essentially insoluble in the resin at room temperature but soluble in the melt and further mixing, then optionally passing the mixture to a second, cooling extruder (12), passing said extruded mixture through a die (8), then expanding and foaming said composition into a foam article (14). |
申请公布号 |
DE3863396(D1) |
申请公布日期 |
1991.08.01 |
申请号 |
DE19883863396 |
申请日期 |
1988.06.08 |
申请人 |
GENERAL ELECTRIC CO., SCHENECTADY, N.Y., US |
发明人 |
ALLEN, RICHARD BRIAN, PITTSFIELD MASSACHUSSETTS 01201, US;BACSKAI, BARBARA MARIE, SCHAUMBURG ILLINOIS 60193, US;ROBERTS, DANIEL LEE, ALBANY NEW YORK 12205, US;BOPP, RICHARD CHARLES, COXSACKIE NEW YORK 12192, US |
分类号 |
B29C47/00;B29C44/34;B29C44/50;B29C47/10;B29C47/38;B29K25/00;B29K71/00;B29K105/04;C08J9/04;C08J9/14;C08L25/06 |
主分类号 |
B29C47/00 |
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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