Photo- and/or thermo-curable copolymer, curable resin...

Details Photo- and/or thermo-curable copolymer, curable resin... Photo- and/or thermo-curable copolymer, curable resin...

2008-03-31

2011-12-27

Lipman, Bernard (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S327300

Reexamination Certificate

active

08084545

ABSTRACT:
Disclosed is a photo- and/or thermo-curable copolymer having polymerizable unsaturated groups in side chains, which is obtainable by reacting a copolymer (P) with an epoxy-containing polymerizable unsaturated compound (C), the copolymer (P) containing monomer units derived from a carboxyl-containing polymerizable unsaturated compound (A) and monomer units derived from at least one epoxy-containing polymerizable unsaturated compound (B) represented by following Formula (1) or (2), in which the epoxy group of the epoxy-containing polymerizable unsaturated compound (C) has been added to part of the carboxyl groups of the copolymer (P). In the formulae, Ras each represent hydrogen or hydroxyl-substituted or -unsubstituted alkyl having 1 to 4 carbon atoms; and Rbs each represent single bond or alkylene having 1 to 18 carbon atoms which may contain heteroatom(s). The curable copolymer is highly stably synthesized and stored, has satisfactory curing properties, and permits both epoxy crosslinking and radical crosslinking.

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Supplementary European Search Report dated Jul. 22, 2010 issued in corresponding European patent application No. 08720688.4.

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