发明授权
US4590226A Polyether polyols containing hydroxymethyl substituted 1,3-dioxane for
use in polyurethanes
失效
含羟甲基取代的1,3-二恶烷的聚醚多元醇用于聚氨酯
- 专利标题: Polyether polyols containing hydroxymethyl substituted 1,3-dioxane for use in polyurethanes
- 专利标题(中): 含羟甲基取代的1,3-二恶烷的聚醚多元醇用于聚氨酯
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申请号: US696168申请日: 1985-01-29
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公开(公告)号: US4590226A公开(公告)日: 1986-05-20
- 发明人: James P. Brown , William G. Carroll , Ronald N. May , Erik M. B. Merckx , David J. Sparrow
- 申请人: James P. Brown , William G. Carroll , Ronald N. May , Erik M. B. Merckx , David J. Sparrow
- 申请人地址: GB2 London
- 专利权人: Imperial Chemical Industries Inc.
- 当前专利权人: Imperial Chemical Industries Inc.
- 当前专利权人地址: GB2 London
- 优先权: GBX8404022 19840215
- 主分类号: C07D319/06
- IPC分类号: C07D319/06 ; C08G18/00 ; C08G18/48 ; C08G65/26 ; C08G65/28 ; C08L67/00 ; C08L71/02 ; C08L77/00 ; C08G18/14
摘要:
A polyether polyol having an average hydroxyl value in the range 400 to 650 mgKOH/g which is a alkoxylated derivative of a polyhydric alcohol being itself a single compound or a mixture of compounds according to the general formula (I) ##STR1## where R.sup.1 is --H, --CH.sub.3 or OCH.sub.3R.sup.2 is --H, --CH.sub.2 OH or --CH.sub.2 C(CH.sub.2 OH).sub.3The preparation of polyurethanes, including rigid foams, using these polyols, is also disclosed.
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