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    METHOD FOR PRODUCING PRINTING PLATE AND PRINTING METHOD
    1.
    发明公开
    METHOD FOR PRODUCING PRINTING PLATE AND PRINTING METHOD 审中-公开

    公开(公告)号：US20240361700A1

    公开(公告)日：2024-10-31

    申请号：US18686905

    申请日：2022-09-09

    申请人： ASAHI KASEI KABUSHIKI KAISHA

    发明人： Yuka YOSHIDA ,  Takumi ISHII

    IPC分类号： G03F7/40 ,  B41M1/04 ,  G03F7/00 ,  G03F7/20

    CPC分类号： G03F7/40 ,  B41M1/04 ,  G03F7/0035 ,  G03F7/2002

    摘要： A method for producing a printing plate, containing: an exposure step of forming a relief by the exposure of a photosensitive resin composition; and a developing step of performing development by attaching or adsorbing the photosensitive resin composition of an unexposed portion in the exposure step to a development medium, wherein a storage elastic modulus of the photosensitive resin composition of the unexposed portion at a development temperature of the developing step is 100 Pa or more and 4000 Pa or less, and the development medium is a wiper having an elastic recovery rate of 30% or more and 99% or less.

    PHOTOSENSITIVE RESIN COMPOSITION FOR FLEXOGRAPHIC PRINTING ORIGINAL PLATE AND FLEXOGRAPHIC PRINTING ORIGINAL PLATE OBTAINED THEREFROM
    4.
    发明公开
    PHOTOSENSITIVE RESIN COMPOSITION FOR FLEXOGRAPHIC PRINTING ORIGINAL PLATE AND FLEXOGRAPHIC PRINTING ORIGINAL PLATE OBTAINED THEREFROM 审中-公开

    公开(公告)号：US20240191016A1

    公开(公告)日：2024-06-13

    申请号：US18285050

    申请日：2022-03-24

    申请人： TOYOBO MC Corporation

    发明人： Tomoko Watanabe ,  Kazuya Yoshimoto

    IPC分类号： C08F279/02 ,  B41M1/04

    CPC分类号： C08F279/02 ,  B41M1/04

    摘要： The present invention aims to provide a photosensitive resin composition for a flexographic printing original plate that can maintain durability against aqueous ink while having high water-developability, and a flexographic printing original plate obtained therefrom. A photosensitive resin composition for a flexographic printing original plate, wherein the photosensitive resin composition contains at least: a conjugated diene-based (a) obtained polymer from water-dispersible latex; a photopolymerizable unsaturated compound (b); a diene-based polymer (c) having a terminal carboxyl group; and a photopolymerization initiator (d), characterized in that the terminal carboxyl group of the diene-based polymer (c) having a terminal carboxyl group is a metal salt.

    PLATE CYLINDER WITH REUSABLE ADHESION SURFACE
    6.
    发明公开
    PLATE CYLINDER WITH REUSABLE ADHESION SURFACE 审中-公开

    公开(公告)号：US20230191772A1

    公开(公告)日：2023-06-22

    申请号：US17996266

    申请日：2021-04-06

    申请人： tesa SE

    发明人： Stefan Wulf ,  Norbert Grittner

    IPC分类号： B41F27/12 ,  B41M1/04

    CPC分类号： B41F27/1275 ,  B41M1/04

    摘要： A plate cylinder for multiple mounting of flexographic printing plates is provided. The plate cylinder has an outer circumferential surface and a longitudinal axis. It comprises an adhesion layer attached to the plate cylinder, the adhesion layer comprising a carrier sheet with a mounting surface side facing the plate cylinder and an adhesion surface side facing radially outwards in relation to the longitudinal axis; and a plurality of adhesion elements. Each of these adhesion elements includes an elongated body extending radially outwards in relation to the longitudinal axis and an end face for attaching the printing plate by an adhesive bond, wherein the end faces of the adhesion elements form the adhesion surface side.

    FLEXOGRAPHIC PRINTING PLATE
    8.
    发明申请
    FLEXOGRAPHIC PRINTING PLATE 有权

    公开(公告)号：US20220314680A1

    公开(公告)日：2022-10-06

    申请号：US17635582

    申请日：2020-07-01

    申请人： TOYOBO CO., LTD.

    发明人： Kazuya Yoshimoto ,  Eri Higo ,  Masahiko Nakamori

    IPC分类号： B41N1/12 ,  B41M1/04

    摘要： The present invention provides a flexographic printing plate in which the dot gain of fine dots in a fade-out part is reduced and printability is improved. A flexographic printing plate obtained from a flexographic printing plate precursor comprising at least a support (A), a photosensitive resin layer (B) and a heat-sensitive mask layer (C) which are laminated in this order, characterized in that, when dots each having a diameter of 16 μm are formed at 175 lpi on the printing plate, the dots do not buckle until a load of 0.2 N is applied thereto. Preferably, when dots each having a diameter of 16 μm are formed at 175 lpi on the printing plate, the shoulder angle of each dot is 105 to 125° and the dot depth is 70 to 85 μm.

    FLEXOGRAPHIC PRINTING PLATE INCLUDING PSEUDO-RANDOM PATTERN OF RAISED FEATURES
    10.
    发明申请
    FLEXOGRAPHIC PRINTING PLATE INCLUDING PSEUDO-RANDOM PATTERN OF RAISED FEATURES 有权

    公开(公告)号：US20210394506A1

    公开(公告)日：2021-12-23

    申请号：US17341668

    申请日：2021-06-08

    申请人： Eastman Kodak Company

    发明人： Thomas F. Kaltenbach ,  Kam Chuen Ng ,  James S. Honan ,  Kevin Edward Spaulding

    IPC分类号： B41F5/24 ,  B41M1/04

    摘要： A flexographic printing system prints image patterns including one or more uniform image regions on a substrate. A flexographic printing plate includes a pattern of raised features for transferring ink to the substrate in accordance with the image pattern. An anilox roller having a plurality of anilox cells is configured to transfer ink to the flexographic printing plate. Uniform image regions of the flexographic printing plate corresponding to the uniform image regions of the image pattern include a pattern of raised feature shapes positioned in a pattern of pseudo-random feature locations. An average spacing between the raised feature shapes in the uniform image regions is less than an anilox cell size such that a plurality of the raised feature shapes receive ink from a single anilox cell of the anilox roller.