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.
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
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