Process for preparing phenolic curing agents for epoxy resins

Details Process for preparing phenolic curing agents for epoxy resins Process for preparing phenolic curing agents for epoxy resins

C - Chemistry, Metallurgy

08

G

400/112

C08G 59/56 (2006.01) C08G 59/18 (2006.01) C08G 59/62 (2006.01)

Patent

CA 1312976

T 4105 A B S T R A C T PROCESS FOR PREPARING PHENOLIC CURING AGENTS FOR EPOXY RESINS The invention provides a process for preparing phenolic curing agents which have a weight per phenolic of 240 to 280 and, when combined with imidazole cure accelerators, exhibit reduced tendency to sinter during storage by staged advancing of a liquid linear epoxy resin having an average of 2 epoxy groups per molecule and an epoxy equivalent weight (EEW) of less than 500 with a dihydric phenol. Kor K4/T4105

566124

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