Polymerizable composition and planographic printng plate precursor using the same
申请人:Shimada Kazuto
公开号:US20060135742A1
公开(公告)日:2006-06-22
The present invention provides a polymerizable composition comprising (A) a compound including a polymerizable unsaturated group and (B) a macromolecular compound including, at a side chain thereof, a structure represented by the following general formula (I):
Z
−
M
+
General formula (I)
wherein Z
−
represents COCOO
−
, COO
−
, SO
3
−
, or SO
2
—N
−
—R where R represents a monovalent organic group and M
+
represents an onium cation. The present invention also provides a negative type planographic printing plate precursor responsive to an infrared laser, the precursor being superior in recording sensitivity and printing durability and using the polymerizable compound as a recording layer.
本发明提供了一种可聚合组合物,该组合物包含(A)一种包括可聚合不饱和基团的化合物和(B)一种大分子化合物,在其侧链上包括由以下通式(I)表示的结构:
Z
-
M
+
通式 (I)
其中 Z
-
代表 COCOO
-
, COO
-
, SO
3
-
或 SO
2
-N
-
-R,其中 R 代表一价有机基团,M
+
代表鎓阳离子。本发明还提供了一种对红外激光有反应的底片式平面印刷版前驱体,该前驱体在记录灵敏度和印刷耐久性方面都很出色,并使用可聚合化合物作为记录层。