Patent ID: 6355310
Filing Date: 2002-03-12
Classification: C08F,C09D,G03F,Y10T

Abstract:
In a method for coating a substrate in which an energy-curable polymer-forming composition is applied by applicator means to a substrate and the polymer forming composition is thereafter exposed to a source of energy under such conditions as to form a coating of cured polymer on the substrate, an improvement comprisinga) employing the applicator means for applying a substantially water-free, water-washable, energy-curable, polymer-forming composition which comprises i. an epoxy oligomer having at least two ethylenically unsaturated moieties, ii. at least one alkoxylated polyol monomer having at least two ethylenically unsaturated moieties and capable of being copolymerized with epoxy oligomer (a) to provide a solid polymer when exposed to energy-curing conditions, and iii. at least one surface active agent capable of being integrated into the molecular structure of the polymer resulting from the copolymerization of (a) and (b) either by covalent bonding or hydrogen bonding, and further capable of rendering said composition water-dispersible; and, b) washing the applicator means with water to remove excess polymer-forming composition therefrom.