公开(公告)号：US20200223216A1

公开(公告)日：2020-07-16

申请号：US16830216

申请日：2020-03-25

Applicant: FUJIFILM Corporation

Inventor： Kenjiro ARAKI ,  Kotaro KUDO

IPC: B41C1/10 ,  G03F7/11 ,  G03F7/20 ,  G03F7/30

Abstract: Provided are a lithographic printing plate precursor having a support, an image recording layer, and an overcoat layer in this order, in which the overcoat layer includes a water-soluble polymer and particles, a melting point of the particles is in a range of 70° C. to 150° C., and a volume average particle diameter of the particles is greater than 0.7 μm and a method of producing a lithographic printing plate obtained by using the lithographic printing plate precursor.

公开(公告)号：US20190329545A1

公开(公告)日：2019-10-31

申请号：US16409856

申请日：2019-05-12

Applicant: FUJIFILM CORPORATION

Inventor： Tadao SHIBAMOTO ,  Taira MURAKAMI ,  Kyosuke TSUMURA ,  Kotaro KUDO

IPC: B41C1/10

Abstract: A planographic printing plate precursor includes: a support; and an image recording layer which includes a radical initiator, a radical polymerizable component, and a radiation absorption compound, and in which the image recording layer shows two or more peaks of a radical generation amount in a radical generation amount-versus-time curve after exposure to image forming radiation, in which the radical initiator includes an electron-donating radical initiator and an electron-accepting radical initiator, and the radiation absorption compound comprises a compound represented by the following Formula 1.

公开(公告)号：US20190232703A1

公开(公告)日：2019-08-01

申请号：US16382196

申请日：2019-04-12

Applicant: FUJIFILM CORPORATION

Inventor： Kotaro KUDO

IPC: B41N1/08 ,  B41F3/32

CPC classification number: B41N1/083 ,  B41C1/1016 ,  B41F3/32 ,  B41M1/06 ,  B41N1/08 ,  B41N3/03 ,  G03F7/00 ,  G03F7/004 ,  G03F7/11

Abstract: Provided are a lithographic printing plate precursor including an aluminum support, and an image recording layer on the aluminum support, in which the aluminum support includes an anodized film on a surface of the image recording layer side, the anodized film has micropores extending in a depth direction from the surface of the anodized film on the image recording layer side, an average pore diameter of the micropores in the surface of the anodized film is greater than 0 μm and 0.03 μm or less, an average maximum diameter of the micropores inside the anodized film is in a range of 0.04 μm to 0.30 μm, an average value A nm of thicknesses of surface opening portions and an average value B nm of thicknesses of internal maximum diameter portions satisfy a relationship of 2.5≤B/A≤28.0, and the image recording layer contains an acid color former; a method of preparing a lithographic printing plate using the lithographic printing plate precursor; and a lithographic printing method.

公开(公告)号：US20230226814A1

公开(公告)日：2023-07-20

申请号：US18159152

申请日：2023-01-25

Applicant: FUJIFILM Corporation

Inventor： Ichiro KOYAMA ,  Shunsuke YANAGI ,  Kazuaki ENOMOTO ,  Kotaro KUDO

IPC: B41C1/10

CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2210/04 ,  B41C2210/22 ,  B41C2201/14

Abstract: Provided is an on-press development type lithographic printing plate precursor having a support, an image-recording layer, and an outermost layer in this order, in which the outermost layer has a sea-island structure consisting of a discontinuous phase that contains a hydrophobic polymer and a continuous phase that contains a water-soluble polymer. Also provided are a method of preparing a lithographic printing plate and a lithographic printing method in which the on-press development type lithographic printing plate precursor is used.

公开(公告)号：US20230161247A1

公开(公告)日：2023-05-25

申请号：US18059198

申请日：2022-11-28

Applicant: FUJIFILM Corporation

Inventor： Kotaro KUDO

IPC: G03F7/029 ,  B41C1/10 ,  G03F7/004 ,  G03F7/11

CPC classification number: G03F7/0295 ,  B41C1/1075 ,  G03F7/0045 ,  G03F7/11

Abstract: The present disclosure provides an on-press development type lithographic printing plate precursor having a support, an image-recording layer, and an outermost layer in this order, in which a contact angle of a water droplet on a surface of the outermost layer that is measured 2 seconds after the water droplet is landed by an airborne water droplet method is greater than 36°. The present disclosure also provides applications of the on-press development type lithographic printing plate precursor.