Patent ID: 7344575

Claim:
A coated abrasive article comprising a backing and an abrasive layer, further comprising at least one of a presize layer, a saturant, a subsize, a backsize layer, or a tie layer that comprising a binder that, based on the total weight of components a) through f), is a reaction product of components comprising: a) from 20 to 65 percent by weight of epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F; b) from 29 to 75 percent by weight of polyfunctional urethane(meth)acrylate; c) from 0.1 to 15 percent by weight of novolac resin; d) dicyandiamide; e) photoinitiator; and f) optional epoxy cure catalyst.