发明名称 |
PREBLEND AND EXPANSION OF POLYMERIC MICROSPHERES |
摘要 |
The present invention relates to a process for producing a dispersion of polymeric microspheres in a polyol comprising expanding 1 to 70 % by weight of polymeric beads in a polyol with a twin screw extruder to simultaneously mix and expand the beads to create a uniform dispersion of the microspheres in the polyol such that the wetting of the microspheres by the polyol is maximized.
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申请公布号 |
WO0017261(A1) |
申请公布日期 |
2000.03.30 |
申请号 |
WO1999US21400 |
申请日期 |
1999.09.16 |
申请人 |
BAYER CORPORATION |
发明人 |
SPITLER, KEITH, G.;ARCHEY, RICK, L.;HOLSINGER, CARL, E.;VESCIO, LESLIE, J. |
分类号 |
B29B7/46;B29B7/88;B29C70/66;B29K101/00;B29K105/04;C08G18/00;C08G18/08;C08G18/42;C08G101/00;C08J9/224;C08J9/32;(IPC1-7):C08J9/32;B29C67/20;B29C44/34 |
主分类号 |
B29B7/46 |
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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