- 专利标题: Method for preparing polyols
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申请号: US15809801申请日: 2017-11-10
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公开(公告)号: US10774179B2公开(公告)日: 2020-09-15
- 发明人: Michael Kember , Rakibul Kabir , Charlotte Katherine Williams
- 申请人: Econic Technologies Ltd.
- 申请人地址: GB Macclesfield
- 专利权人: Econic Technologies Ltd.
- 当前专利权人: Econic Technologies Ltd.
- 当前专利权人地址: GB Macclesfield
- 代理机构: Wolf, Greenfield & Sacks, P.C.
- 优先权: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2f8130c3
- 主分类号: C08G64/34
- IPC分类号: C08G64/34 ; C08G65/26 ; C08G64/02 ; C08G18/44
摘要:
The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound. The catalyst of formula (I) is as follows:
公开/授权文献
- US20180148539A1 METHOD FOR PREPARING POLYOLS 公开/授权日:2018-05-31
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