Fast curing epoxy resins and a process for their preparation

Details Fast curing epoxy resins and a process for their preparation Fast curing epoxy resins and a process for their preparation

C - Chemistry, Metallurgy

08

G

402/250

C08G 59/06 (2006.01) C08G 59/14 (2006.01) C08G 59/62 (2006.01)

Patent

CA 1277087

ABSTRACT Epoxy resins containing both terminal hydroxyl groups and epoxy-derived groups are prepared by advancing a polyepoxide with a polyol and terminating the reaction at a point such that the epoxy resin reaction product contains both epoxy and terminal hydroxyl groups. The epoxy groups are then further reacted to form epoxy-derived groups and the rate of curing is further improved. The resulting epoxy resins exhibit lower melt and solution viscosities than those exhibited by conventional epoxy resins having the same epoxy equivalent weight, as well as curing quickly when used. The resins are usefully employed at high solids levels in can coating formulations and other epoxy formulations wherein the resin is applied from an organic liquid solution or aqueous dispersion. 35,056-F

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