COMPOSITION FOR LASER ENGRAVING, RELIEF PRINTING ORIGINAL PLATE FOR LASER ENGRAVING AND PRODUCTION METHOD THEREFOR, PRODUCTION METHOD FOR RELIEF PRINTING PLATE, AND RELIEF PRINTING PLATE

摘要

To provide a composition for laser engraving that can give a relief printing plate having excellent ink laydown and that has excellent rinsing properties after laser engraving. A composition for laser engraving, the composition that comprises (Component A) an acrylate oligomer; (Component B) a thermopolymerization initiator; and (Component C) at least one of the compounds represented by Formula (1) to Formula (7); the composition not comprising or comprising at more than 0 mass% but less than 2 mass% relative to the total mass of the composition (Component D) a resin having a weight-average molecular weight of at least 10,000, wherein R 1 to R 18 independently denote a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, a heterocyclic group, or a substituted heterocyclic group, L 2 denotes a divalent organic group, L 3 denotes a trivalent organic group, and L 4 denotes a tetravalent organic group.
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 -CO 2 R 2 €ƒ€ƒ€ƒ€ƒ€ƒ( 1 )
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 3 O 2 C-L 2 -CO 2 R 4 €ƒ€ƒ€ƒ€ƒ€ƒ( 2 )
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 12 -CONHR 13 €ƒ€ƒ€ƒ€ƒ€ƒ( 5 )
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 14 -SO 2 NHR 15 €ƒ€ƒ€ƒ€ƒ€ƒ( 6 )