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 R¹ to R¹⁸ 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, L² denotes a divalent organic group, L³ denotes a trivalent organic group, and L⁴ denotes a tetravalent organic group.        R¹-CO₂R²     ( 1 )        R³O₂C-L²-CO₂R⁴     ( 2 )        R¹²-CONHR¹³     ( 5 )        R¹⁴-SO₂NHR¹⁵     ( 6 )