发明授权
- 专利标题: Process for the preparation of polyether ester polyols
- 专利标题(中): 聚醚酯多元醇的制备方法
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申请号: US12579513申请日: 2009-10-15
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公开(公告)号: US08716515B2公开(公告)日: 2014-05-06
- 发明人: Klaus Lorenz , Reinhard Albers , Frank Otto
- 申请人: Klaus Lorenz , Reinhard Albers , Frank Otto
- 申请人地址: DE Leverkusen
- 专利权人: Bayer MaterialScience AG
- 当前专利权人: Bayer MaterialScience AG
- 当前专利权人地址: DE Leverkusen
- 代理机构: Novak Druce Connolly Bove + Quigg LLP
- 优先权: DE102008051882 20081016
- 主分类号: C08G18/00
- IPC分类号: C08G18/00 ; C08G63/48 ; C08G63/42 ; C07C69/74 ; C07C69/00 ; C07C43/00
摘要:
The present invention relates to a process for the preparation of polyether ester polyols starting from fatty acid esters and starter compounds having Zerewitinoff-active hydrogen atoms, and to their use in the production of solid or foamed polyurethane materials.
公开/授权文献
- US20100099788A1 PROCESS FOR THE PREPARATION OF POLYETHER ESTER POLYOLS 公开/授权日:2010-04-22