公开(公告)号：EP4307049A1

公开(公告)日：2024-01-17

申请号：EP22767081.7

申请日：2022-03-07

申请人： RESONAC CORPORATION

发明人： NARITA, Mao ,  ONO, Keishi ,  TANAKA, Shiho ,  TAKEDA, Akiko ,  WATANABE, Yusaku

IPC分类号： G03F7/004 ,  G03F7/027 ,  G03F7/033

摘要： A photosensitive film containing (A) a binder polymer, (B) a photopolymerizable compound, (C) a photopolymerization initiator, and (D) a pyrazoline compound, in which a thickness of the photosensitive film is 20 µm or less. A photosensitive element 1 including a support 2, and a photosensitive resin layer 3 disposed on the support 2, in which the photosensitive resin layer 3 is the photosensitive film. A method for producing a laminate, the method including a disposing step of disposing a photosensitive resin layer on a base material by using the above-described photosensitive film or the photosensitive element 1, a step of photo-curing a part of the photosensitive resin layer, and a step of removing at least a part of an uncured area of the photosensitive resin layer to form a cured product pattern.

公开(公告)号：EP3471961B1

公开(公告)日：2023-09-20

申请号：EP17837418.7

申请日：2017-07-26

发明人： VEST, Ryan W. ,  BALDWIN, Kyle P. ,  BRYANT, Laurie A.

IPC分类号： B41C1/10 ,  G03B27/04 ,  G03F7/00 ,  G03F7/09 ,  G03F7/20 ,  G03F7/26 ,  G03F7/027 ,  G03F7/033 ,  G03F7/035 ,  G03F7/038

公开(公告)号：EP4185468A1

公开(公告)日：2023-05-31

申请号：EP21846119.2

申请日：2021-07-14

申请人： Macdermid Graphics Solutions, LLC

发明人： BALDWIN, Kyle P. ,  VEST, Ryan W. ,  BRYANT, Laurie A.

IPC分类号： B41F5/24 ,  B41N1/12 ,  G03F7/033

公开(公告)号：EP4159458A1

公开(公告)日：2023-04-05

申请号：EP21813150.6

申请日：2021-05-21

申请人： FUJIFILM Corporation

发明人： ENOMOTO, Kazuaki ,  YAMAMOTO, Akira ,  NAMBA, Yusuke ,  NOGOSHI, Keisuke

IPC分类号： B41N1/14 ,  B41C1/10 ,  B41M1/06 ,  G03F7/00 ,  G03F7/004 ,  G03F7/027 ,  G03F7/029 ,  G03F7/033 ,  G03F7/09 ,  G03F7/11

摘要： 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 image-recording layer contains an infrared absorber, an electron-accepting polymerization initiator, and a polymerizable compound, LUMO of the electron-accepting polymerization initiator - LUMO of the infrared absorber is 0.45 eV or more, and the outermost layer contains a discoloring compound. Also provided is 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：EP4019254A1

公开(公告)日：2022-06-29

申请号：EP20858037.3

申请日：2020-07-30

申请人： TOYOBO CO., LTD.

发明人： YOSHIMOTO, Kazuya ,  HIGO, Eri ,  NAKAMORI, Masahiko

IPC分类号： B41C1/00 ,  B41N1/12 ,  B41M1/04 ,  G03F7/00 ,  G03F7/027 ,  G03F7/033 ,  G03F7/095 ,  G03F7/11

摘要： The present invention provides a flexographic printing plate precursor which makes it possible to precisely reproduce the pattern of a microcell on the surface of a printing plate without requiring the use of any specialized device or any additional step, and thus to improve the ink laydown on a solid-printed part. A flexographic printing plate precursor comprising at least a support (A), a photosensitive resin layer (B), an oxygen barrier layer (C) and a heat-sensitive mask layer (D) which are laminated in this order, wherein a photosensitive resin composition constituting the photosensitive resin layer (B) comprises (a) a polymer prepared by polymerizing a conjugated diene, (b) an ethylenically unsaturated compound and (c) a photopolymerization initiator, and wherein the content of the photopolymerization initiator (c) in the photosensitive resin composition is 2 to 9% by mass.

公开(公告)号：EP4009106A1

公开(公告)日：2022-06-08

申请号：EP21210380.8

申请日：2021-11-25

申请人： Flint Group Germany GmbH

发明人： Pietsch, Christian ,  Kunz, Martin

IPC分类号： G03F7/033

摘要： A photosensitive composition (L2) of a developable relief precursor, comprising: at least one copolymer as component C, at least one ethylenically unsaturated compound as component U, at least one photoinitiator or photoinitiator system as component P, at least one water soluble and/or water dispersible binder as component B, wherein the at least one copolymer as component C is an at least partially hydrolyzed ethylene vinyl acetate copolymer, comprising ―CH 2 -CH 2 ― groups and wherein the content of said ―CH 2 -CH 2 ― groups in the partially hydrolyzed ethylene vinyl acetate copolymer is lower than 20 mol%, preferably lower than 15 mol%, more preferably lower than 10 mol%.

公开(公告)号：EP3991985A1

公开(公告)日：2022-05-04

申请号：EP20831196.9

申请日：2020-06-26

申请人： FUJIFILM Corporation

发明人： ENOMOTO, Kazuaki ,  ISHIJI, Yohei ,  YANAGI, Shunsuke

IPC分类号： B41N1/14 ,  B41C1/10 ,  B41M1/06 ,  B41N1/08 ,  B41N3/03 ,  G03F7/00 ,  G03F7/004 ,  G03F7/028 ,  G03F7/029 ,  G03F7/033 ,  G03F7/09 ,  G03F7/11

摘要： Provided is a lithographic printing plate precursor having an aluminum support, an image-recording layer, and a water-soluble overcoat layer in this order, in which the image-recording layer contains an infrared-absorbing polymethine colorant having HOMO of -5.2 eV or less, a polymerization initiator, a polymerizable compound, and a polymer, and the polymer has a constitutional unit formed of an aromatic vinyl compound and a constitutional unit formed of an acrylonitrile compound. Also provided are a method for preparing a lithographic printing plate using the lithographic printing plate precursor.

公开(公告)号：EP3991983A1

公开(公告)日：2022-05-04

申请号：EP20830606.8

申请日：2020-06-26

申请人： FUJIFILM Corporation

发明人： AIZU, Kohei

IPC分类号： B41N1/14 ,  B41C1/10 ,  B41M1/06 ,  B41N1/08 ,  B41N3/03 ,  G03F7/00 ,  G03F7/004 ,  G03F7/027 ,  G03F7/028 ,  G03F7/029 ,  G03F7/033 ,  G03F7/09 ,  G03F7/11

摘要： 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：EP3875282A1

公开(公告)日：2021-09-08

申请号：EP19880350.4

申请日：2019-10-31

申请人： FUJIFILM Corporation

发明人： NOGOSHI, Keisuke ,  SAKAGUCHI, Akira

IPC分类号： B41N1/14 ,  G03F7/00 ,  G03F7/004 ,  G03F7/027 ,  G03F7/029 ,  G03F7/033 ,  G03F7/11

摘要： Provided is a planographic printing plate precursor including a support and an image recording layer on the support, in which the image recording layer contains an infrared absorbing agent represented by Formula 1-1, a polymerization initiator, and a polymerizable compound. Details of R 1 , R 11 to R 18 , n 11 to n 14 , L, Za, A 1 , and A 2 in Formulae 1-1 and 2 are described in the specification.

公开(公告)号：EP3858636A1

公开(公告)日：2021-08-04

申请号：EP19866635.6

申请日：2019-09-26

申请人： FUJIFILM Corporation

发明人： WATANABE, Shumpei ,  SHIMANAKA, Shuji

IPC分类号： B41N1/08 ,  B32B15/08 ,  B32B15/082 ,  B32B15/20 ,  B32B27/18 ,  B41N3/03 ,  G03F7/00 ,  G03F7/033 ,  G03F7/11

摘要： 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.