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.
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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 |
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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