Invention Application
- Patent Title: WATERLESS PRINTING PLATE PRECURSOR, AND METHOD FOR MANUFACTURING PRINTED MATTER USING WATERLESS PRINTING PLATE
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Application No.: US15519065Application Date: 2015-11-10
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Publication No.: US20170232775A1Publication Date: 2017-08-17
- Inventor: Yasunori KUSE , Akihiro IIHARA , Seiichiro MURASE
- Applicant: TORAY INDUSTRIES, INC.
- Applicant Address: JP Tokyo
- Assignee: TORAY INDUSTRIES, INC.
- Current Assignee: TORAY INDUSTRIES, INC.
- Current Assignee Address: JP Tokyo
- Priority: JP2014-228575 20141111; JP2015-173516 20150903
- International Application: PCT/JP2015/081538 WO 20151110
- Main IPC: B41N1/14
- IPC: B41N1/14 ; G03F7/11

Abstract:
An object of the present invention is to provide a waterless lithographic printing plate precursor that sufficiently repels ink, which tends to adhere to non-imaging areas, and maintains its repelling effects, and a printing method using a waterless lithographic printing plate obtained from the waterless lithographic printing plate precursor. The following are provided: a lithographic printing plate precursor having at least a heat sensitive layer and an ink repellent layer, wherein the ink repellent layer contains an ink repelling, the ink repellent liquid having a boiling point of not less than 150° C. at 1 atmospheric pressure; and a method of producing a printed material, comprising the step of transferring an ink containing a photosensitive component in an amount from 10% by mass to 50% by mass to a printing substrate using a lithographic printing plate and then irradiating the printing substrate with ultraviolet light, wherein the lithographic printing plate precursor has at least an ink repellent layer on a substrate, an ink repellent liquid contained in the ink repellent layer has a surface tension of 30 mN/m or less.
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