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

ink deposition and training can obtain excellent relief printing plates, for the excellent rinsing property after laser engraving laser engraving to provide a composition for the purpose. And composition (component A) acrylate oligomer for laser engraving of the present invention, (component B) and the thermal polymerization initiator (component C) and containing the formula (1) to (7), at least one of a compound represented by, (component D) does not contain a weight average molecular weight of 10,000 or more resin or higher than 0% by mass based on the total weight of the composition, and characterized in that it contains less than 2% by weight. [Equation (1) to (7) of, R ¹ ~R ¹⁸ are each independently a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl or heteroaryl shows the ventilation, L ² represents a divalent organic group, L ³ represents a trivalent organic group, L ⁴ is a tetravalent organic group show]