发明名称 Reduced density foam articles and process for making
摘要 The invention discloses reduced density foams and methods of making the foams by applying or creating a nonfoaming barrier layer on a foamable layer, which barrier layer inhibits the escape of fugitive gases during the foaming process.
申请公布号 US6623674(B1) 申请公布日期 2003.09.23
申请号 US20000714408 申请日期 2000.11.16
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 GEHLSEN MARK DAVID;VALL DAVID LOREN;ALBRECHT BONNIE WEISKOPF
分类号 C08J9/06;B29C44/04;B29C44/06;B32B5/18;B32B5/20;B32B27/18;B32B27/32;B32B37/00;C08J9/12;C08J9/34;C09J7/02;(IPC1-7):B29C44/06 主分类号 C08J9/06
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