发明名称 |
Process for producing polystyrene foam |
摘要 |
The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooling and drying the resulting polystyrene foam.
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申请公布号 |
US5342857(A) |
申请公布日期 |
1994.08.30 |
申请号 |
US19940184073 |
申请日期 |
1994.01.18 |
申请人 |
REEDY INTERNATIONAL CORPORATION;GENPAK CORPORATION |
发明人 |
REEDY, MICHAEL E.;RIDER, JR., EDWARD W. |
分类号 |
C08J9/00;C08J9/12;(IPC1-7):C08J9/08 |
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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