Alkenyl aromatic polymer foams and processes for preparing same

申请公布号：EP1041107(A2)

申请号：EP20000109104

申请日期：1993.06.08

申请公布日期：2000.10.04

申请人：

DOW GLOBAL TECHNOLOGIES INC.

发明人：PAQUET, ANDREW N.;SUH, KYUNG W.

分类号：C08J9/12;C08J9/14;C08L25/04;(IPC1-7):C08J9/12;C08L25/06

主分类号：C08J9/12

摘要：<p>Disclosed is an insulative, bimodal aromatic polymer foam structure having microscopic pinholes in the cell walls to enhance the flexibility of the foam structure. Further disclosed is an insulative, bimodal alkenyl aromatic polymer foam structure containing carbon black. Further disclosed is a process for making low density alkenyl aromatic polymer foams prepared with a halogen-free blowing agent of carbon dioxide, lower alcohol and water. The cell size can be effectively controlled by controlling the amount of water in the blowing agent.</p>

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