发明名称 |
PROCESS FOR PRODUCING EXTRUDED FOAM |
摘要 |
<p>In one embodiment, the present invention relates to a process for preparing foam board or sheet including the steps of (A) forming a foamable mixture of (1) a major amount of a styrenic polymer having a high melt index, (2) a minor amount of a low melt index styrenic polymer, and (3) a blowing agent containing a major amount of carbon dioxide under a pressure sufficient to prevent prefoaming of the mixture, and (B) foaming the mixture into a region of reduced pressure to form a foam product.</p> |
申请公布号 |
EP1124887(B1) |
申请公布日期 |
2005.04.27 |
申请号 |
EP19990953245 |
申请日期 |
1999.10.21 |
申请人 |
OWENS CORNING |
发明人 |
MILLER, LARRY, M.;CISAR, THOMAS, E.;BREINDEL, RAYMOND, M.;WEEKLEY, MITCHELL, Z. |
分类号 |
C08J9/00;C08J9/12;C08L25/04;(IPC1-7):C08J9/00 |
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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