Patent ID: 6350825
Filing Date: 2002-02-26
Classification: C08G,C09D,Y10S

Abstract:
A process for the preparation of an epoxy resin mixture in which simultaneously:a) (i) at least one diglycidyl compound is reacted at temperatures of from 160 to 170Â° C. with (ii) at least one bisphenol compound and (iii) at least one monophonol in the presence of an advancement catalyst that can be thermally deactivated, b) when the reaction is complete, the catalyst is deactivated by heating to a temperature of approximately 180Â° C. and, at that temperature, an epoxy resin component (A1) consisting of one or more epoxy resins and having an overall mean epoxy functionality that is greater than 2 is added to the resulting product, and c) the resulting epoxy resin mixture is homogenised at that temperature.