RESIN COMPOSITION FOR LASER-ENGRAVABLE FLEXOGRAPHIC PRINTING PLATE, FLEXOGRAPHIC PRINTING PLATE PRECURSOR FOR LASER-ENGRAVABLE AND PROCESS FOR PRODUCING SAME, AND FLEXOGRAPHIC PRINTING PLATE AND PROCESS FOR MAKING SAME

摘要

To provide a resin composition for a laser-engravable flexographic printing plate that has excellent removability for engraving residue generated when laser-engraving a printing plate precursor and that can give a flexographic printing plate that is excellent in terms of non-tackiness, hardness, printing durability, and halftone shape.;A resin composition for a laser-engravable flexographic printing plate, the resin composition that comprises (Component A) a polyurethane resin having a group represented by Formula (1), (Component B) an ethylenically unsaturated compound, and (Component C) a polymerization initiator;;wherein in the Formula, R and R″ independently denote a hydrogen atom or an alkyl group, R′ denotes an alkyl group, R and R′ may be linked to form a ring, and the wavy line portion denotes the position of bonding.

主权项

1. A resin composition for a laser-engravable flexographic printing plate, comprising
(Component A) a polyurethane resin having a group represented by Formula (1), (Component B) an ethylenically unsaturated compound, and (Component C) a polymerization initiatorwherein in the Formula, R and R″ independently denote a hydrogen atom or an alkyl group, R′ denotes an alkyl group, R and R′ may be linked to form a ring, and the wavy line portion denotes the position of bonding.