Precatalyzed catalyst compositions, process for preparing epoxy resins, curable compositions, articles resulting from curing the resultant compositions
申请人:THE DOW CHEMICAL COMPANY
公开号:EP0441243A2
公开(公告)日:1991-08-14
The process of reacting an epoxy resin with a reactive hydrogen-containing compound or a carboxylic acid anhydride in the presence of a phosphonium catalyst is improved by employing a phosphonium compound having an amino substituent on the cation portion of the phosphonium compound as the catalyst. The invention also concerns precatalyzed epoxy resin compositions, curable compositions and cured compositions.
本发明改进了在鏻催化剂存在下环氧树脂与活性含氢化合物或羧酸酐反应的工艺,采用了在鏻化合物阳离子部分具有氨基取代基的鏻化合物作为催化剂。本发明还涉及预催化环氧树脂组合物、可固化组合物和固化组合物。