发明名称 |
Phosphonium phenoxide catalysts for promoting reacting of epoxides with phenols and/or carboxylic acids |
摘要 |
Certain tetrahydrocarbyl phosphonium phenoxide salts are described herein which are novel compounds and/or novel catalysts for promoting the reaction between vicinal epoxides and phenols and/or carboxylic acids or anhydrides. These catalysts are particularly useful in preparing high molecular weight epoxy resins by the advancement reaction of diglycidyl ether of bisphenol A with bisphenol A.
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申请公布号 |
US4302574(A) |
申请公布日期 |
1981.11.24 |
申请号 |
US19800148875 |
申请日期 |
1980.05.12 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
DOORAKIAN, GEORGE A.;BERTRAM, JAMES L. |
分类号 |
C07F9/54;C08G59/68;C08G65/10;C08G65/26;(IPC1-7):C08G59/68 |
主分类号 |
C07F9/54 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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