发明授权
- 专利标题: Phosphonium bicarbonate catalysts for promoting reaction of epoxides with carboxylic acids or anhydrides
- 专利标题(中): 用于促进环氧化物与羧酸或酸酐反应的碳酸氢盐催化剂
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申请号: US403692申请日: 1982-07-30
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公开(公告)号: US4405766A公开(公告)日: 1983-09-20
- 发明人: James L. Bertram , George A. Doorakian , Lawrence G. Duquette
- 申请人: James L. Bertram , George A. Doorakian , Lawrence G. Duquette
- 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: C08G59/16
- IPC分类号: C08G59/16 ; C08G59/42 ; C08G59/68
摘要:
Tetrahydrocarbyl phosphonium bicarbonate salts are employed as catalysts to promote the reaction between (a) vicinal epoxides and (b) carboxylic acids or anhydrides. These catalysts are particularly useful in the preparation of vinyl ester resins.
公开/授权文献
- US5619113A Reluctance-type motor 公开/授权日:1997-04-08
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