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.
提供一种用于激光雕刻柔性版印刷版的
树脂组合物,该
树脂组合物对激光雕刻印刷版前体时产生的雕刻残留物具有极佳的去除性,并能获得在不粘性、硬度、印刷耐久性和半色调形状方面都很出色的柔性版印刷版。
一种用于激光雕刻柔性版印刷版的
树脂组合物,该
树脂组合物包括(成分 A)具有式(1)所代表基团的聚
氨酯
树脂、(成分 B)
乙烯基不饱和化合物和(成分 C)聚合
引发剂。
式中,R 和 R "分别表示氢原子或烷基,R'表示烷基,R 和 R'可连接成环,波浪线部分表示键合位置。