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

    公开(公告)号：US20230305402A1

    公开(公告)日：2023-09-28

    申请号：US18023039

    申请日：2021-09-15

    申请人： ASAHI KASEI KABUSHIKI KAISHA

    发明人： Hiroki AKIYAMA ,  Shinji MIYAMOTO

    IPC分类号： G03F7/095 ,  G03F7/039 ,  B41C1/10

    CPC分类号： G03F7/095 ,  G03F7/039 ,  B41C1/1033

    摘要： A photosensitive resin structure for a flexographic printing plate, containing



    (a): a support;
    (b): a photosensitive resin composition layer which is located on the support (a) and which contains a thermoplastic elastomer having a copolymer site of a monovinyl-substituted aromatic hydrocarbon and a conjugated diene; and
    (c): an infrared ray ablation layer which is laminated on the photosensitive resin composition layer (b) and which comprises a resin and carbon black, is ablatable with an infrared laser, and is a layer shielding a light beam other than infrared ray, wherein
    the resin in the infrared ray ablation layer (c) contains a copolymer of a monovinyl-substituted aromatic hydrocarbon and a conjugated diene, or a hydrogenated copolymer of a monovinyl-substituted aromatic hydrocarbon and a conjugated diene, and
    a primary particle diameter of the carbon black contained in the infrared ray ablation layer (c) is 13 nm or larger and 25 nm or smaller.