发明授权
US5114988A Polyether polyols having reduced unsaturation and polyurethane foams
prepared therefrom
失效
具有减少不均匀性的聚醚多元醇和制备的聚氨酯
- 专利标题： Polyether polyols having reduced unsaturation and polyurethane foams prepared therefrom
- 专利标题（中）： 具有减少不均匀性的聚醚多元醇和制备的聚氨酯
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申请号： US425077申请日： 1989-10-23
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公开(公告)号： US5114988A公开(公告)日： 1992-05-19
- 发明人: Steven D. Gagnon , Oscar M. Grace , Theodore M. Smiecinski , Steven E. Wujcik
- 申请人： Steven D. Gagnon , Oscar M. Grace , Theodore M. Smiecinski , Steven E. Wujcik
- 申请人地址： NJ Parsippany
- 专利权人： BASF Corporation
- 当前专利权人： BASF Corporation
- 当前专利权人地址： NJ Parsippany
- 主分类号： C08G18/50
- IPC分类号： C08G18/50 ; C08G65/26
摘要：
Polyether polyols prepared by oxyalkylating a 1,2-diaminocycloalkane have reduced levels of unsaturation and may be used to prepare melamine containing flame retardant polyurethane foams capable of passing California 117 and 133, and other flame tests.
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