公开(公告)号：US20230384671A1

公开(公告)日：2023-11-30

申请号：US18339622

申请日：2023-06-22

Applicant: FUJIFILM Corporation

Inventor： Shumpei WATANABE

IPC: G03F7/004 ,  G03F7/039 ,  G03F7/32

CPC classification number: G03F7/0045 ,  G03F7/0397 ,  G03F7/322

Abstract: The present invention provides a laminate of negative tone lithographic printing plate precursors each having at least one layer containing an infrared absorber with a HOMO of −5.43 eV or less on a hydrophilic support, in which in each of the negative tone lithographic printing plate precursors, at least one of an outermost layer surface on a side of the at least one layer containing an infrared absorber with reference to the support or an outermost layer surface on a side opposite to the side of the at least one layer containing an infrared absorber has an arithmetic mean height Sa of 0.3 μm or more and 20 μm or less. The present invention also provides a method of preparing a negative tone lithographic printing plate.

公开(公告)号：US20190217651A1

公开(公告)日：2019-07-18

申请号：US16367259

申请日：2019-03-28

Applicant: FUJIFILM CORPORATION

Inventor： Yusuke IKEYAMA ,  Shumpei WATANABE ,  Atsushi OSHIMA ,  Shuji SHIMANAKA

IPC: B41N1/14 ,  B41F1/18 ,  B41C1/10

Abstract: Provided are a lithographic printing plate precursor including: a hydrophilized aluminum support, and a water-soluble or water-dispersible negative type image recording layer provided on the aluminum support, in which an arithmetic average height Sa of a surface of an outermost layer on a side opposite to a side where the image recording layer is provided is in a range of 0.3 μm to 20 μm; a method of producing the lithographic printing plate precursor; a lithographic printing plate precursor laminate formed of the lithographic printing plate precursor; and a lithographic printing method.

公开(公告)号：US20240278550A1

公开(公告)日：2024-08-22

申请号：US18582657

申请日：2024-02-21

Applicant: FUJIFILM CORPORATION

Inventor： Yusuke NAMBA ,  Shumpei WATANABE

IPC: B41C1/10

CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2210/22

Abstract: A stack including: a lithographic printing plate precursor including an image-recording layer which contains an infrared absorber, a polymerizable compound, and a polymerization initiator; and an interleaving paper stacked on the lithographic printing plate precursor, in which air permeation resistance of the interleaving paper is 55 seconds or more, or a stack including: a lithographic printing plate precursor including an image-recording layer which contains an infrared absorber, a polymerizable compound, and a polymerization initiator; and an interleaving paper stacked on the lithographic printing plate precursor, in which the interleaving paper is overlapped with the lithographic printing plate precursor to be in contact with a surface of the lithographic printing plate precursor on an image-recording layer side, and a color difference ΔE of the image-recording layer before and after storage in a dark room in an environment of 25° C. and 55% RH for 3 days is less than 3.0.

公开(公告)号：US20190225002A1

公开(公告)日：2019-07-25

申请号：US16371121

申请日：2019-04-01

Applicant: FUJIFILM CORPORATION

Inventor： Shumpei WATANABE ,  Yusuke IKEYAMA ,  Atsushi OSHIMA ,  Shuji SHIMANAKA

IPC: B41N1/14 ,  B41N3/00 ,  G03F7/11 ,  B41C1/10 ,  B41N1/08

Abstract: Provided are a lithographic printing plate precursor including a hydrophilized aluminum support, and a water-soluble or water-dispersible negative type image recording layer provided on the aluminum support, in which an arithmetic average height Sa of a surface of an outermost layer on a side where the image recording layer is provided is in a range of 0.3 μm to 20 μm or in which Expression (1) and Expression (2) are satisfied in a case where a Bekk smoothness of a surface of an outermost layer on a side where the image recording layer is provided is set as a seconds and a Bekk smoothness of a surface of an outermost layer on a side opposite to a side where the image recording layer is provided is set as b seconds; a method of producing the same; a lithographic printing plate precursor laminate formed of the lithographic printing plate precursor; a plate-making method for a lithographic printing plate; and a lithographic printing method. a≤1000,b≤1000  (1) 1/a+1/b≥0.002  (2)

公开(公告)号：US20210146676A1

公开(公告)日：2021-05-20

申请号：US17162026

申请日：2021-01-29

Applicant: FUJIFILM Corporation

Inventor： Shumpei WATANABE ,  Shuji SHIMANAKA

IPC: B41C1/10 ,  B41N1/08 ,  G03F7/11 ,  C08K5/42 ,  B32B5/16 ,  B32B15/082 ,  B32B15/16 ,  B32B15/20 ,  B32B27/14 ,  B32B27/18 ,  B32B27/30 ,  B32B3/30 ,  C08K9/02

Abstract: Provided are a planographic printing plate precursor including an aluminum support, and an image recording layer and a protective layer which are provided on the aluminum support in this order, in which a thickness of the protective layer is 0.2 μm or greater, and Expression (1) is satisfied in a case where a Bekk smoothness of a surface of an outermost layer on a side opposite to a side where the image recording layer is provided is denoted by b seconds; a planographic printing plate precursor laminate; a plate-making method for a planographic printing plate; and a planographic printing method.

公开(公告)号：US20200276851A1

公开(公告)日：2020-09-03

申请号：US16876398

申请日：2020-05-18

Applicant: FUJIFILM CORPORATION

Inventor： Yusuke IKEYAMA ,  Shumpei WATANABE ,  Atsushi OSHIMA ,  Shuji SHIMANAKA

IPC: B41N1/14 ,  B41C1/10 ,  B41F1/18 ,  G03F7/00 ,  G03F7/027 ,  G03F7/033 ,  G03F7/004 ,  G03F7/09

Abstract: Provided are a lithographic printing plate precursor including: a hydrophilized aluminum support, and a water-soluble or water-dispersible negative type image recording layer provided on the aluminum support, in which an arithmetic average height Sa of a surface of an outermost layer on a side opposite to a side where the image recording layer is provided is in a range of 0.3 μm to 20 μm; a method of producing the lithographic printing plate precursor; a lithographic printing plate precursor laminate formed of the lithographic printing plate precursor; and a lithographic printing method.

公开(公告)号：US20200262231A1

公开(公告)日：2020-08-20

申请号：US16828536

申请日：2020-03-24

Applicant: FUJIFILM CORPORATION

Inventor： Shumpei WATANABE ,  Yusuke IKEYAMA ,  Atsushi OSHIMA ,  Shuji SHIMANAKA

IPC: B41N1/14 ,  G03F7/033 ,  G03F7/004 ,  G03F7/027 ,  G03F7/09 ,  G03F7/00 ,  G03F7/11 ,  B41C1/10 ,  B41N1/08 ,  B41N3/00

Abstract: Provided are a lithographic printing plate precursor including a hydrophilized aluminum support, and a water-soluble or water-dispersible negative type image recording layer provided on the aluminum support, in which an arithmetic average height Sa of a surface of an outermost layer on a side where the image recording layer is provided is in a range of 0.3 μm to 20 μm or in which Expression (1) and Expression (2) are satisfied in a case where a Bekk smoothness of a surface of an outermost layer on a side where the image recording layer is provided is set as a seconds and a Bekk smoothness of a surface of an outermost layer on a side opposite to a side where the image recording layer is provided is set as b seconds; a method of producing the same; a lithographic printing plate precursor laminate formed of the lithographic printing plate precursor; a plate-making method for a lithographic printing plate; and a lithographic printing method. a≤1000, b≤1000  (1) 1/a+1/b≥0.002  (2)

公开(公告)号：US20240208200A1

公开(公告)日：2024-06-27

申请号：US18588680

申请日：2024-02-27

Applicant: FUJIFILM Corporation

Inventor： Shumpei WATANABE ,  Akira SAKAGUCHI

IPC: B41C1/10 ,  B41N1/08 ,  B41N3/08 ,  G03F7/00 ,  G03F7/20

CPC classification number: B41C1/1016 ,  B41N1/083 ,  B41N3/08 ,  G03F7/2004 ,  G03F7/70025 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22

Abstract: The present invention provides an on-press development type lithographic printing plate precursor including, in the following order, a support, an image-recording layer, and a protective layer, in which the image-recording layer contains a) a polymerizable compound, b) an infrared absorber, c) a polymerization initiator, and d) a color forming substance precursor, and the protective layer contains an ultraviolet absorber, and a method of preparing a printing plate.

公开(公告)号：US20210221117A1

公开(公告)日：2021-07-22

申请号：US17214452

申请日：2021-03-26

Applicant: FUJIFILM Corporation

Inventor： Shumpei WATANABE ,  Shuji Shimanaka

IPC: B41C1/10 ,  B41N3/03 ,  B41N1/08

Abstract: The present invention provides a printing plate precursor including a layer which includes a polymer and is provided on a printing surface side of an aluminum support, and a layer which includes particles and is provided on a side opposite to the printing surface side, in which a modulus of elasticity of the particles is 0.1 GPa or more, and in a case where a Bekk smoothness of an outermost layer surface on the side opposite to the printing surface side is denoted by b second, a specific expression (1) is satisfied; a printing plate precursor laminate; a method for making a printing plate; and a printing method.

公开(公告)号：US20210146675A1

公开(公告)日：2021-05-20

申请号：US17161072

申请日：2021-01-28

Applicant: FUJIFILM Corporation

Inventor： Shuji SHIMANAKA ,  Shumpei WATANABE

IPC: B41C1/10

Abstract: A planographic printing plate precursor containing in the following order: an aluminum support; an image recording layer; and a protective layer, in which a thickness of the protective layer is 0.2 μm or greater, and in a case where a Bekk smoothness of a surface of an outermost layer at a side where the image recording layer is provided is 1000 seconds or less.