Patent ID: 7790354
Filing Date: 2010-09-07
Classification: C08G,C09D,G03F,H05K,Y10T

Abstract:
1. A photosensitive resin composition comprising: a photopolymerizable component containing a urethane acrylate compound (A) a compound (B) having an ethylenic unsaturated group other than said urethane acrylate compound (A), an epoxy resin as a thermosetting resin (C), a photopolymerization initiator (D), and a thermal polymerization catalyst (E); wherein said urethane acrylate compound (A) is the reaction product of an isocyanate compound (a-1) of the following general formula (1): (wherein R represents a hydrocarbon group having 1 to 30 carbon atoms) with polyhydroxy compounds (a-2), wherein at least one of said polyhydroxy compounds (1-2) is a polyol compound having a carboxyl group, and wherein the number average molecular weight of the urethane acrylate compound (A) is 1,000 to 40,000, and the acid value of the urethane acrylate compound (A) is 5 to 150 mg KOH/g.