Patent ID: 6770421
Filing Date: 2004-08-03
Classification: C08G,G03F,H05K,Y10T

Abstract:
A photo- or heat-curable resin composition comprising,a) 100 parts by weight of (A) unsaturated compound having a structural unit represented by the following general formula (1) (wherein R is hydrogen or methyl group, A is a group represented by the formula (2), Y is the residue of a polycarboxylic acid or its acid anhydride, and n is integer of 0-3) (wherein R1 and R2 are hydrogen, an alkyl group with 1-5 carbon atoms, or a halogen and X is â€”COâ€”, â€”SO2â€”, â€”C(CF3)2â€”, â€”Si(CH3)2â€”, â€”CH2â€”, â€”C(CH3)2â€”, â€”Oâ€”, â€”Sâ€”, group represented by the formula (3) or single bond), b) 10-100 parts by weight of (B) which is at least one acrylate selected from the group consisting of: [CH2&boxH;CHCOâ€”(OC2H4)1â€”OCH2]3â€”CCH2CH3, [CH2&boxH;CHCOâ€”(OC2H4)2â€”OCH2]3â€”CCH2CH3, and [CH2&boxH;CHCOâ€”(OC3H6)2â€”OCH2]3â€”CCH2CH3c) 10-40 parts by weight of (C) compound containing epoxy group and d) 0-10 parts by weight of (D) photopolymerization initiator or sensitizer.