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公开(公告)号：US20180354290A1
公开(公告)日：2018-12-13
申请号：US15991674
申请日：2018-05-29
Applicant: FUJIFILM Corporation
Inventor： Koji WARIISHI , Shunsuke HAYASHI , Fumiya SHIRAKI , Atsushi OOSHIMA
Abstract: A lithographic printing plate precursor, comprising a layer arrangement according to any one of the following (i) to (iv): (i) a support and an image recording layer; (ii) a support, an undercoat layer, and an image recording layer; (iii) a support, an image recording layer, and a protective layer; or (iv) a support, an undercoat layer, an image recording layer, and a protective layer, wherein: a layer containing a hydrophilic agent is included in the layer arrangement between the support and an innermost layer, between adjacent layers, or on an outermost layer other than the protective layer, the layer containing a hydrophilic agent contacts a region of at least one of, but not all of, the support, the undercoat layer, the image recording layer, or the protective layer, and an amount of sag of an end portion of the lithographic printing plate precursor is from 30 μm to 150 μm.
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2.发明申请公开(公告)号：US20170190167A1
公开(公告)日：2017-07-06
申请号：US15467309
申请日：2017-03-23
Applicant: FUJIFILM Corporation
Inventor： Atsushi OOSHIMA , Koji WARIISHI , Fumiya SHIRAKI , Shunsuke HAYASHI
CPC classification number: B41C1/1008 , B41C1/10 , B41C2210/04 , B41C2210/08 , B41M1/06 , B41N1/14 , B41N3/08 , B41P2200/20 , G03F7/00 , G03F7/11
Abstract: Provided is a planographic printing plate precursor including: a support; and an image recording layer formed on the support, in which the content of fine particles per unit area in a region on a plate surface on the image recording layer side from an end portion of the planographic printing plate precursor to a portion inside the end portion by 5 mm is greater than the content of the fine particles per unit area in a region other than the region by an amount of 10 mg/m2 or greater, edge stains are not generated therein, and transferring of the image recording layer is prevented even in a case where planographic printing plate precursors are stored in a stacked state. Further, provided are a method of producing the same and a printing method using the same.
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3.发明申请公开(公告)号：US20160339730A1
公开(公告)日：2016-11-24
申请号：US15226212
申请日：2016-08-02
Applicant: FUJIFILM Corporation
Inventor： Koji WARIISHI , Shunsuke HAYASHI , Fumiya SHIRAKI , Atsushi OOSHIMA
Abstract: An object of the present invention is to provide a manufacturing method for a lithographic printing plate precursor which can simplify a manufacturing step while maintaining the performance of preventing edge stains and in which there are neither setter contaminations nor vendor contaminations; the lithographic printing plate precursor; a plate manufacturing method for a lithographic printing plate; and a printing method using the above-described lithographic printing plate.The manufacturing method for a lithographic printing plate precursor of the present invention includes: an image recording layer forming step of forming an image recording layer as an a step; a coating step of coating a partial region of the image recording layer, which is formed in the a step, with a coating liquid containing a hydrophilic agent, as a b step; and a cutting step of cutting the lithographic printing plate precursor such that the region coated with the above-described coating liquid is in a range within 1 cm from the end portion of the lithographic printing plate precursor after being cut, as a c step, in which the c step is performed after performing either the a step and b step in this order or the b step and the a step in this order, on a hydrophilic aluminum support.
Abstract translation: 本发明的平版印刷版原版的制造方法包括：作为步骤形成图像记录层的图像记录层形成步骤; 作为b步骤的涂布步骤，用包含亲水剂的涂布液涂覆在该步骤中形成的图像记录层的部分区域; 以及切割平版印刷版原版的切割步骤，使得涂覆有上述涂布液的区域在切割之后距离平版印刷版原版的端部1cm内，作为交流步骤，其中 在亲水铝支架上执行以下顺序执行步骤和b步骤或b步骤和a步骤之后执行c步骤。
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