| 发明名称 |
Articles that include a polymer foam and method for preparing same |
| 摘要 |
Polymer foam articles prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.
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| 申请公布号 |
US7879441(B2) |
申请公布日期 |
2011.02.01 |
| 申请号 |
US20040835865 |
申请日期 |
2004.04.30 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
GEHLSEN MARK D.;MOMCHILOVICH BRADLEY S. |
| 分类号 |
B32B7/12;C08J9/14;B29C44/18;B29C47/00;B29C47/50;B29C70/66;B32B3/26;C08J9/32;C08L33/00;C09J5/08;C09J127/08;C09J133/00;C09J167/00 |
主分类号 |
B32B7/12 |
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