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Title:
LITHOGRAPHIC PRINTING PLATE SUPPORT, LITHOGRAPHIC PRINTING PLATE PRECURSOR, AND METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE
Document Type and Number:
WIPO Patent Application WO/2023/032992
Kind Code:
A1
Abstract:
The present invention provides a lithographic printing plate support with which a lithographic printing plate having excellent scratch resistance can be obtained by combining with an image recording layer, a lithographic printing plate, and a method for producing a lithographic printing plate. This lithographic printing plate support comprises an aluminum plate and an aluminum anodized film disposed on the aluminum plate. The surface of the lithographic printing plate support on the anodized film side has a plurality of protrusions, the average value of an equivalent circular diameter of a cut surface of a protrusion at a position 0.5 μm higher than the position of the average height of the protrusions is 3.0−10.0 μm, and the density of protrusions having a height of 0.5 μm or more above the position of the average height of the protrusions is 3000−9000 per square millimeter.

Inventors:
MATSUURA ATSUSHI (JP)
ARIMURA KEISUKE (JP)
Application Number:
PCT/JP2022/032630
Publication Date:
March 09, 2023
Filing Date:
August 30, 2022
Export Citation:
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Assignee:
FUJIFILM CORP (JP)
International Classes:
B41N3/03; B41C1/10; B41N1/08
Domestic Patent References:
WO2021132647A12021-07-01
WO2019044087A12019-03-07
WO2019087516A12019-05-09
Foreign References:
JP2008119881A2008-05-29
JP2006240116A2006-09-14
JP2005262530A2005-09-29
US20120138481A12012-06-07
JPH06135175A1994-05-17
JPH06135175A1994-05-17
JPS5040047B21975-12-22
JPS5040047B21975-12-22
US3276868A1966-10-04
US4153461A1979-05-08
US4689272A1987-08-25
JP2001312068A2001-11-09
JP2008195018A2008-08-28
JP2009255434A2009-11-05
JPS4841708B11973-12-07
JPS4841708B11973-12-07
JP2012187907A2012-10-04
JP2005254638A2005-09-22
US2714066A1955-07-26
US3181461A1965-05-04
EP1765593A12007-03-28
Other References:
"Dye Handbook", 1970, THE SOCIETY OF SYNTHETIC ORGANIC CHEMISTRY
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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