发明授权
US5736748A Polyols having reduced terminal unsaturation and a process for producing
same
失效
具有降低的末端不饱和基团的多元醇及其制备方法
- 专利标题： Polyols having reduced terminal unsaturation and a process for producing same
- 专利标题（中）： 具有降低的末端不饱和基团的多元醇及其制备方法
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申请号： US677749申请日： 1996-07-10
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公开(公告)号： US5736748A公开(公告)日： 1998-04-07
- 发明人: Zenon Lysenko , Ritchie A. Wessling
- 申请人： Zenon Lysenko , Ritchie A. Wessling
- 申请人地址： MI Midland
- 专利权人： The Dow Chemical Company
- 当前专利权人： The Dow Chemical Company
- 当前专利权人地址： MI Midland
- 主分类号： C08G65/32
- IPC分类号： C08G65/32 ; C08G18/48 ; C08G18/50 ; C08G63/668 ; C08G63/685 ; C08G65/333 ; C09K3/08
摘要：
The unsaturation of a hydroxyl-containing compound can be reduced by reaction with a nitrile oxide compound such as tetramethyl terephthalonitrile, N,N'-dioxide. The reaction of a nitrile oxide with terminal unsaturation associated with the preparation of a polyol from propylene oxide reduces the monol content of the polyol composition.
公开/授权文献
- USD327634S Portion of a key blade blank 公开/授权日：1992-07-07
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