A lithographic printing plate precursor comprising a support having a hydrophilic surface having provided thereon an image-forming layer containing a hydrophobic high molecular compound having at least either a functional group represented by formula (1) or a functional group represented by formula (2):
1
wherein X
+
represents an iodonium ion, a sulfonium ion or a diazonium ion.
Provided is a polymer represented by the following formula (6):
wherein A represents a repeating unit obtained by polymerizing at least one vinyl monomer having a function of generating an acid by the action of an acid and further breeding an acid by the action of an acid generated from the vinyl monomer itself; B represents a repeating unit obtained by polymerizing at least one vinyl monomer having a partial structure of causing an absorption region of from 360 to 900 nm by the action of an acid; C represents a repeating unit obtained by polymerizing at least one vinyl monomer copolymerizable with A and B; and x, y and z each represents % by weight and satisfy the conditions of 1≦x≦99, 1≦y≦99, 0≦z≦98 and x+y+z=100.
本发明提供了由下式(6)表示的聚合物:
其中 A 代表通过聚合至少一种乙烯基单体得到的重复单元,该单体具有在酸的作用下产生酸的功能,并在乙烯基单体本身产生的酸的作用下进一步产生酸;B 代表通过聚合至少一种乙烯基单体而获得的重复单元,该单体具有在酸的作用下产生 360 至 900 纳米吸收区域的部分结构; C 代表通过聚合至少一种可与 A 和 B 共聚的乙烯基单体而获得的重复单元; x、y 和 z 分别代表重量百分比,并满足 1≦x≦99、1≦y≦99、0≦z≦98 和 x+y+z=100 的条件。
An image recording medium is disclosed which comprising: an acid generating agent capable of generating an acid by the action of heat or an acid, which is represented by the following formula (1); and a compound of causing variation in the absorption region of from 360 to 900 nm by the intramolecular or intermolecular reaction triggered by the action of an acid:
W
1
OP (1)
wherein W
1
represents a residue of an acid represented by W
1
OH, and P represents an acid-sensitive substituent capable of splitting off at a temperature of 150° C. or less due to catalysis by W
1
OH.
本发明公开了一种图像记录介质,其中包括:一种酸生成剂,能够在热或酸的作用下生成酸,由下式(1)表示;以及一种化合物,能够通过酸的作用引发的分子内或分子间反应,在 360 纳米到 900 纳米的吸收区域内产生变化:
W
1
OP (1)
其中 W
1
代表由 W
1
OH 所代表的酸残基,而 P 代表一种对酸敏感的取代基,该取代基在 W
1
OH 催化作用而在 150 摄氏度或更低温度下分离的酸敏感取代基。
Image recording medium containing an acid-generating agent, image recording method and thermosensitive polymer