发明授权
- 专利标题： Process for making long fiber-reinforced polyurethanes that contain particulate fillers
- 专利标题（中）： 制造含有颗粒填料的长纤维增强聚氨酯的方法
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申请号： US13578150申请日： 2011-03-11
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公开(公告)号： US09441067B2公开(公告)日： 2016-09-13
- 发明人: Paolo Diena , Luigi Bertucelli , George A. Klumb , Gianluca Casagrande
- 申请人： Paolo Diena , Luigi Bertucelli , George A. Klumb , Gianluca Casagrande
- 申请人地址： US MI Midland
- 专利权人： Dow Global Technologies LLC
- 当前专利权人： Dow Global Technologies LLC
- 当前专利权人地址： US MI Midland
- 优先权： ITMI2010A0440 20100318
- 国际申请： PCT/EP2011/053731 WO 20110311
- 国际公布： WO2011/113768 WO 20110922
- 主分类号： C08G18/10
- IPC分类号： C08G18/10 ; C08G18/32 ; C08G18/48 ; C08G18/66 ; C08G18/76
摘要：
Fiber-reinforced polyurethane structures are made with a polyol composition that contains a particulate filler such as calcium carbonate, in addition to the fibers. The polyol composition and the polyisocyanate composition are selected such that the polymer formed in their reaction has a calculated molecular weight between crosslinks (Mc) of from 300 to 420. The polyisocyanate component contains a urethane-modified MDI and/or a urethane-modified polymeric MDI.
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