- 专利标题: Production of SiOC-bonded polyether siloxanes
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申请号: US16029987申请日: 2018-07-09
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公开(公告)号: US10414872B2公开(公告)日: 2019-09-17
- 发明人: Wilfried Knott , Horst Dudzik , Olga Fiedel , Philippe Favresse , Ute Hesse
- 申请人: Evonik Degussa GmbH
- 申请人地址: DE Essen
- 专利权人: Evonik Degussa GmbH
- 当前专利权人: Evonik Degussa GmbH
- 当前专利权人地址: DE Essen
- 代理机构: Nexsen Pruet PLLC
- 代理商 Philip P. McCann
- 优先权: EP17184159 20170801
- 主分类号: C08G77/16
- IPC分类号: C08G77/16 ; C08G77/46 ; C08L83/04 ; C08G77/00 ; C08G77/18
摘要:
A process for producing SiOC-bonded polyether siloxanes by transesterification of alkoxysiloxanes with polyetherols in the presence of zinc acetylacetonate as catalyst is described.
公开/授权文献
- US20190040205A1 Production of SiOC-Bonded Polyether Siloxanes 公开/授权日:2019-02-07
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