Resin composition for laser engraving, flexographic printing plate precursor for laser engraving and process for producing same, and process for making flexographic printing plate

摘要

A resin composition for laser engraving that comprises (Component A) a binder polymer comprising an ethylenically unsaturated bond in at least one part selected from the group consisting of a main chain interior, a main chain terminal, and a side chain, (Component B) a polymerization initiator, and (Component C) a foaming agent, Component A comprising a plastomer selected from the group consisting of a polybutadiene structure-containing polymer, a polyisoprene structure-containing polymer, and a urethane (meth)acrylate, and Component A having a content of at least 50 mass% relative to the total mass of the composition.