| 发明名称 |
Low-density cellular wood plastic composite and process for formation |
| 摘要 |
A low-pressure CO2 tank or an air compressor with a refrigerated air dryer is attached to the vent zone of a standard twin-screw extruder. During extrusion, the gas is dissolved in the wood-plastic melt. The CO2 expands which foams the wood-plastic material.
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| 申请公布号 |
US2004147625(A1) |
申请公布日期 |
2004.07.29 |
| 申请号 |
US20040474992 |
申请日期 |
2004.03.18 |
| 申请人 |
DOSTAL DAVID F.;WOLCOTT MICHAEL P. |
发明人 |
DOSTAL DAVID F.;WOLCOTT MICHAEL P. |
| 分类号 |
C08J9/12;B27N3/00;B27N3/28;B29C44/12;B29C44/22;B29C44/34;B29C47/00;B29C47/10;B29C47/34;B29C47/90;C08J9/00;(IPC1-7):B29C44/02 |
主分类号 |
C08J9/12 |
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代理人 |
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