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Title:
ON-MACHINE-DEVELOPING-TYPE PLANOGRAPHIC PRINTING PLATE ORIGINAL PLATE, METHOD FOR MANUFACTURING PLANOGRAPHIC PRINTING PLATE, AND PLANOGRAPHIC PRINTING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/019217
Kind Code:
A1
Abstract:
Provided is an on-machine-developing-type planographic printing plate original plate in which, when exposure is performed using infrared rays having two or more local maximum absorption wavelengths in the wavelength range of 760–900 nm and having a wavelength of 830 nm at an energy density of 110 mJ/cm2, the brightness change ΔL in the exposed portion from before the exposure to after storage for 24 hours under conditions of 25°C and 70% RH after the exposure is 3.0 or greater. Also provided are a method for manufacturing a planographic printing plate and a planographic printing method that use said on-machine-developing-type planographic printing plate original plate.

Inventors:
NAMBA YUSUKE (JP)
ENOMOTO KAZUAKI (JP)
KOYAMA ICHIRO (JP)
SAKAGUCHI AKIRA (JP)
YAMAMOTO AKIRA (JP)
Application Number:
PCT/JP2021/026683
Publication Date:
January 27, 2022
Filing Date:
July 15, 2021
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
B41N1/14; B41C1/10; B41M1/06; B41N1/08; B41N3/03; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; G03F7/09; G03F7/11
Domestic Patent References:
WO2016027886A12016-02-25
WO2019013268A12019-01-17
WO2018230412A12018-12-20
WO2019150788A12019-08-08
WO2017141882A12017-08-24
WO2016027886A12016-02-25
WO2019219560A12019-11-21
WO2019013268A12019-01-17
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Other References:
RESEARCH DISCLOSURE, no. 33303, January 1992 (1992-01-01)
CHARLES M. HANSEN: "A Users Handbook", vol. VII, 2007, CRC PRESS, article "Hansen Solubility Parameters", pages: 698 - 711
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See also references of EP 4186708A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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