Lithographic printing plate precursor, method for preparing lithographic printing plate, and lithographic printing method
AssigneeFUJIFILM Corporation
InventorsAkira Sakaguchi, Akinori Fujita, Taira Murakami
Life of this patent
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Abstract
Provided is a lithographic printing plate precursor having a support and an image-recording layer on the support, in which the image-recording layer has an infrared absorber, a polymerization initiator, a polymerizable compound 1, a polymerizable compound 2, and a polymerizable compound 3, in which a molecular weight of the polymerizable compound 1 is less than 1,000, a weight-average molecular weight of the polymerizable compound 2 is 1,000 or more and 3,000 or less, and a weight-average molecular weight of the polymerizable compound 3 is more than 3,000 and 15,000 or less.
Claims19
A lithographic printing plate precursor, comprising:
- a support;
- and
- an image-recording layer on the support,
- wherein the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound 1, a polymerizable compound 2, and a polymerizable compound 3,
- a molecular weight of the polymerizable compound 1 is less than 1,000,
- a weight-average molecular weight of the polymerizable compound 2 is 1,000 or more and 3,000 or less,
- a weight-average molecular weight of the polymerizable compound 3 is more than 3,000 and 15,000 or less, and
- wherein the polymerizable compound 3 is a compound represented by Formula (I),
- AP-(BP)nP Formula (I)
- in Formula (I), AP represents an nP-valent organic group having a hydrogen bonding group, BP represents a group having two or more polymerizable groups, and nP represents an integer of two or more.
A lithographic printing plate precursor comprising:
- a support;
- and
- an image-recording layer on the support,
- wherein the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound 1, a polymerizable compound 2, and a polymerizable compound 3,
- a molecular weight of the polymerizable compound 1 is less than 1,000,
- a weight-average molecular weight of the polymerizable compound 2 is 1,000 or more and 3,000 or less,
- a weight-average molecular weight of the polymerizable compound 3 is more than 3,000 and 15,000 or less,
- wherein the polymerizable compound 3 has at least one kind of structure selected from the group consisting of an adduct structure, a biuret structure, and an isocyanurate structure.
A lithographic printing plate precursor comprising:
- a support;
- and
- an image-recording layer on the support,
- wherein the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound 1, a polymerizable compound 2, and a polymerizable compound 3,
- a molecular weight of the polymerizable compound 1 is less than 1,000,
- a weight-average molecular weight of the polymerizable compound 2 is 1,000 or more and 3,000 or less,
- a weight-average molecular weight of the polymerizable compound 3 is more than 3,000 and 15,000 or less,
- wherein the polymerizable compound 3 has a structure represented by any of Formula (A-1) to Formula (A-3),
- in Formula (A-1), RA1 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and a portion of a wavy line represents a bonding position with other structures.
Dependencies are inferred from the claim text.