公开(公告)号：US20170123315A1

公开(公告)日：2017-05-04

申请号：US15407254

申请日：2017-01-17

Applicant: FUJIFILM CORPORATION

Inventor： Akio MIZUNO ,  Keisuke NOGOSHI ,  Kyosuke TSUMURA ,  Taira MURAKAMI ,  Kohei AIZU

IPC: G03F7/004 ,  G03F7/16 ,  B41M5/333 ,  G03F7/26 ,  C09B23/16 ,  B41C1/10 ,  G03F7/11 ,  G03F7/20

CPC classification number: G03F7/0045 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/12 ,  B41C2210/04 ,  B41C2210/08 ,  B41M5/286 ,  B41M5/333 ,  B41M5/3333 ,  C09B23/00 ,  C09B23/0025 ,  C09B23/0066 ,  C09B23/086 ,  C09B23/164 ,  G03F7/11 ,  G03F7/16 ,  G03F7/168 ,  G03F7/20 ,  G03F7/26

Abstract: An object of the present invention is to provide a color developing composition which develops colors in a high density and does not significantly discolor when aged, a lithographic printing plate precursor which has excellent plate-inspecting properties by means of color development and is capable of maintaining strong color development even when aged after color development, a plate making method for a lithographic printing plate in which the lithographic printing plate precursor is used, and a new compound that can be preferably used as a color developer.The color developing composition of the present invention includes a compound represented by Formula 1. The compound in the present invention is represented by Formula 1. In Formula 1, R1 represents a group in which an R1—O bond is cleaved by heat or exposure to infrared rays.

公开(公告)号：US20220155679A1

公开(公告)日：2022-05-19

申请号：US17561083

申请日：2021-12-23

Applicant: FUJIFILM Corporation

Inventor： Kohei AIZU

IPC: G03F7/029 ,  B41M1/06 ,  G03F7/11

Abstract: Provided is an on-press development type lithographic printing plate precursor including an aluminum support and an image-recording layer on the aluminum support, in which the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound, and an addition polymerization-type resin having a hydrophilic structure, a water contact angle on a surface of the aluminum support on a side of the image-recording layer that is determined by an airborne water droplet method is 110° or less, and the polymerizable compound includes a polymerizable compound having 7 or more functional groups. Also provided are a method for preparing a lithographic printing plate and a lithographic printing method using the lithographic printing plate precursor.

公开(公告)号：US20230120465A1

公开(公告)日：2023-04-20

申请号：US18067368

申请日：2022-12-16

Applicant: FUJIFILM Corporation

Inventor： Kohei AIZU ,  Akira SAKAGUCHI ,  Toshifumi INNO ,  Akinori FUJITA ,  Kazuaki ENOMOTO ,  Ichiro KOYAMA ,  Akira YAMAMOTO

IPC: B41C1/10 ,  B41N1/14 ,  G03F7/029 ,  G03F7/09

Abstract: Provided are an on-press development type lithographic printing plate precursor having a support and an image-recording layer on the support in which the image-recording layer contains a coloring compound capable of having a coloring reaction with a decomposition product generated by exposure of the image-recording layer, and an on-press development type lithographic printing plate precursor having a support and an image-recording layer on the support in which the image-recording layer contains a compound represented by Formula 1C or Formula 2C and an electron-donating polymerization initiator. In Formula 1C and Formula 2C, R1C to R4C each independently represent a monovalent organic group, L1C and L2C each independently represent a divalent organic group, AC represents OH or NR5CR6C, and R5C and R6C each independently represent a monovalent organic group.

公开(公告)号：US20180361774A1

公开(公告)日：2018-12-20

申请号：US16109774

申请日：2018-08-23

Applicant: FUJIFILM CORPORATION

Inventor： Kohei AIZU ,  Ryo NAKAMURA ,  Hiroaki IDEI ,  Tomoki OCHIMIZU

IPC: B41N1/14 ,  B41C1/10 ,  G03F7/30

Abstract: Provided are a planographic printing plate precursor including: a support; and an image recording layer provided on the support, in which the image recording layer contains an infrared absorbing agent, a polymerization initiator, a polymerizable compound containing a hydrogen bonding group, and a hard polymer particle containing at least one group selected from the group consisting of a urethane group, a urea group, an imide group, an amide group, and a sulfonamide group on the surface of the hard polymer particle, and a number average primary particle diameter of the hard polymer particle is in a range of 0.01 to 1 μm; and a plate-making method for a planographic printing plate obtained by using the planographic printing plate precursor.