Patent ID: 6843815

Claim:
A coated abrasive article comprising a backing and abrasive layer wherein the abrasive layer comprises abrasive particles and a binder comprising, based on the total weight of the components a) though e), a reaction product of a curable composition comprising: a) from 50 to 90 percent by weight of at least one epoxy rein preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F; b) from 1 to 20 percent by weight of polyfunctional (meth)acrylate c) dicyandiamide; d) photoinitiator; and e) optional epoxy cure catalyst; wherein the curable composition further comprises a novolac resin that is present in an amount of up to 25 percent by weight base an total weight of the curable composition.