Relief printing plate precursor for laser engraving, relief printing plate, and method of manufacturing relief printing plate

摘要

The invention provides a relief printing plate precursor for laser engraving, comprising a relief forming layer, the relief forming layer comprising a resin composition for laser engraving, and the resin composition for laser engraving comprising a binder polymer (A) that is insoluble in water and soluble in an alcohol having 1 to 4 carbon atoms. The invention further provides a method for manufacturing a relief printing plate having crosslinking components of the relief forming layer and laser engraving the relief forming layer, and a relief printing plate formed thereby.