公开(公告)号：US3860426A

公开(公告)日：1975-01-14

申请号：US31758372

申请日：1972-12-22

Applicant: EASTMAN KODAK CO

Inventor： CUNNINGHAM MICHAEL P ,  MCCLUNE DAVID J

IPC: G03F7/09 ,  B41N1/14 ,  B41N3/00 ,  B41N3/03 ,  G03F7/00 ,  G03F7/11 ,  G03C1/94

CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/24 ,  B41N3/036

Abstract: A printing plate is prepared by coating on an anodized aluminum support a hydrophilic cellulosic layer containing a water-soluble salt of a metal such as zinc, calcium, magnesium, barium, strontium, cobalt or manganese. A radiation-sensitive material to provide a polymeric printing layer is coated over the hydrophilic subbing layer, exposed to an image, and processed. In the areas where the polymeric material is removed in processing, the hydrophilic cellulosic subbing is exposed. Incorporation of the metal salt therein improves the resistance to scumming when the lithographic plate is used on a lithographic printing press.

Abstract translation: 通过在阳极氧化的铝载体上涂覆含有诸如锌，钙，镁，钡，锶，钴或锰的金属的水溶性盐的亲水性纤维素层来制备印刷版。 用于提供聚合物印刷层的辐射敏感材料涂覆在亲水性底层上，暴露于图像并加工。 在加工中除去聚合物材料的区域中，露出亲水性纤维素底片。 当在平版印刷机上使用平版印刷版时，其中加入金属盐可提高抗浮渣性。

公开(公告)号：US20240278550A1

公开(公告)日：2024-08-22

申请号：US18582657

申请日：2024-02-21

Applicant: FUJIFILM CORPORATION

Inventor： Yusuke NAMBA ,  Shumpei WATANABE

IPC: B41C1/10

CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2201/06 ,  B41C2210/22

Abstract: A stack including: a lithographic printing plate precursor including an image-recording layer which contains an infrared absorber, a polymerizable compound, and a polymerization initiator; and an interleaving paper stacked on the lithographic printing plate precursor, in which air permeation resistance of the interleaving paper is 55 seconds or more, or a stack including: a lithographic printing plate precursor including an image-recording layer which contains an infrared absorber, a polymerizable compound, and a polymerization initiator; and an interleaving paper stacked on the lithographic printing plate precursor, in which the interleaving paper is overlapped with the lithographic printing plate precursor to be in contact with a surface of the lithographic printing plate precursor on an image-recording layer side, and a color difference ΔE of the image-recording layer before and after storage in a dark room in an environment of 25° C. and 55% RH for 3 days is less than 3.0.

公开(公告)号：US12061417B2

公开(公告)日：2024-08-13

申请号：US17428449

申请日：2020-01-21

Applicant: TOYOBO CO., LTD.

Inventor： Toshiyuki Kita ,  Toru Wada

IPC: G03F7/038 ,  B41C1/10 ,  B41N1/12 ,  G03F7/09 ,  G03F7/11 ,  G03F7/32

CPC classification number: G03F7/0382 ,  B41C1/1016 ,  B41N1/12 ,  G03F7/11 ,  G03F7/322 ,  B41C2201/02

Abstract: A photosensitive resin printing original plate is disclosed in which a side surface light-blocking layer does not peel off from a metal support during handling of the printing original plate, and which enables efficient production of the side surface light-blocking layer. A water-developable photosensitive resin printing original plate, includes at least: a support; and a photosensitive resin layer arranged on the support, in which a peripheral side surface of the water-developable photosensitive resin printing original plate is covered with a light-blocking layer; the light-blocking layer contains carbon black and a vinyl polymer at a mass ratio of 80/20 to 30/70; and the vinyl polymer is an alcohol-soluble vinyl polymer containing 25 to 65 mol % of a hydroxyl group with respect to a constituent monomer unit in a molecule (in the case of being chemically modified, a constituent monomer unit after the modification).

公开(公告)号：US12059886B2

公开(公告)日：2024-08-13

申请号：US17214452

申请日：2021-03-26

Applicant: FUJIFILM Corporation

Inventor： Shumpei Watanabe ,  Shuji Shimanaka

IPC: B41C1/10 ,  B41N1/08 ,  B41N3/03

CPC classification number: B41C1/1025 ,  B41C1/1016 ,  B41N1/083 ,  B41N3/034 ,  B41C2201/02 ,  B41C2201/10 ,  B41C2210/02 ,  B41C2210/12 ,  B41C2210/24

Abstract: 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.

公开(公告)号：US20240109281A1

公开(公告)日：2024-04-04

申请号：US18263192

申请日：2022-01-11

Applicant: Agfa Offset BV

Inventor： Thomas Billiet ,  Kristof Heylen

IPC: B41C1/10 ,  G03F7/033

CPC classification number: B41C1/1025 ,  B41C1/1016 ,  G03F7/033 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06

Abstract: A lithographic printing plate precursor is disclosed including a support and a coating comprising (i) a photopolymerisable layer including a polymerisable compound and a photoinitiator, and a toplayer provided above the photopolymerisable layer;characterized in that the toplayer includes a hydrophobic binder, and hydrophobic discrete particles having a melting and/or softening temperature above 50° C.

公开(公告)号：US20230266667A1

公开(公告)日：2023-08-24

申请号：US18012325

申请日：2021-06-10

Applicant: AGFA Offset BV

Inventor： Thomas Billiet ,  Kristof Heylen ,  Faïma Lazreg ,  Johan Loccufier

IPC: G03F7/004 ,  B41C1/10 ,  G03F7/038 ,  C09B23/10

CPC classification number: G03F7/0045 ,  B41C1/1016 ,  G03F7/038 ,  C09B23/107 ,  B41C2201/12 ,  B41C2201/02 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22

Abstract: A lithographic printing plate precursor is disclosed including on a support a coating comprising (i) a photopolymerisable layer including a polymerisable compound, a first infrared absorbing dye including at least one electron withdrawing substituent and a photoinitiator; and (ii) a top layer provided above the photopolymerisable layer which includes a second infrared absorbing compound which includes a thermocleavable group which transforms into a group which is a stronger electron-donor upon exposure to heat and/or IR radiation, and is capable of forming a print-out image upon exposure to heat and/or IR radiation.

公开(公告)号：US20230219336A1

公开(公告)日：2023-07-13

申请号：US18059304

申请日：2022-11-28

Applicant: FUJIFILM Corporation

Inventor： Kazuaki ENOMOTO ,  Akira YAMAMOTO ,  Yusuke NAMBA ,  Keisuke NOGOSHI

IPC: B41C1/10

CPC classification number: B41C1/1016 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/22 ,  B41C2210/24

Abstract: 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-donating polymerization initiator, and a polymerizable compound, HOMO of the infrared absorber - HOMO of the electron-donating polymerization initiator is 0.60 eV or less, and the outermost layer contains a discoloring compound. Also provided are 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：US09738064B2

公开(公告)日：2017-08-22

申请号：US13511439

申请日：2010-12-03

Applicant: Johan Loccufier ,  Stefaan Lingier ,  Heidi Janssens

Inventor： Johan Loccufier ,  Stefaan Lingier ,  Heidi Janssens

IPC: G03F7/004 ,  B41F1/18 ,  G03F7/20 ,  B41C1/10

CPC classification number: B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262

Abstract: A positive-working lithographic printing plate precursor is disclosed which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer a heat and/or light-sensitive coating including an infrared absorbing agent, said heat and/or light-sensitive coating comprising a first layer comprising a binder including a monomeric unit including a sulfonamide group; characterized in that the binder further comprises a monomeric unit including a phosphonic acid group or a salt thereof, and that the monomeric unit comprising the phosphonic acid group is present in an amount comprised between 2 mol % and 15 mol %.

公开(公告)号：US09605150B2

公开(公告)日：2017-03-28

申请号：US12970208

申请日：2010-12-16

Applicant: Sonia Rondon ,  Kevin Ray

Inventor： Sonia Rondon ,  Kevin Ray

IPC: G03F7/00 ,  C08L83/04 ,  B41C1/10 ,  B41N1/00 ,  C09D183/04 ,  C08G77/12 ,  C08G77/20

CPC classification number: C08L83/04 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/14 ,  B41C2210/16 ,  B41C2210/24 ,  B41C2210/262 ,  B41N1/003 ,  B41N1/14 ,  C08G77/12 ,  C08G77/20 ,  C08J7/047 ,  C08J2367/00 ,  C08J2483/04 ,  C09D183/04 ,  Y10T428/269 ,  Y10T428/31663 ,  C08L83/00

Abstract: A recording medium comprises an oleophilic substrate and, thereover, a topmost oleophobic layer comprising a cured polymeric silicone matrix that consists essentially of the addition-cure reaction product of a vinyl-functional polydialkylsiloxane and a silane cross-linking agent. The vinyl-functional polydialkylsiloxane has a molecular weight ranging from 30,000 to 75,000 or 110,000 to 130,000. If the molecular weight of the vinyl-functional polydialkylsiloxane is within the range of 30,000 to 75,000, the molar ratio of silane groups to vinyl groups is within the range of about 11:1 to about 25:1; and if the molecular weight of the vinyl-functional polydialkylsiloxane is within the range of 110,000 to 130,000, the molar ratio of silane groups to vinyl groups is from about 5:1 to about 27:1. The recording medium may be used as a lithographic printing plate.

公开(公告)号：US09348225B2

公开(公告)日：2016-05-24

申请号：US14467613

申请日：2014-08-25

Applicant: FUJIFILM Corporation

Inventor： Ichiro Koyama ,  Junya Abe

IPC: G03F7/11 ,  G03F7/038 ,  C08F290/12 ,  C08F299/06 ,  G03F7/027 ,  G03F7/38 ,  B41C1/10 ,  G03F7/033 ,  G03F7/30 ,  G03F7/32 ,  G03F7/20 ,  C08F265/06

CPC classification number: G03F7/0388 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/10 ,  B41C2210/24 ,  C08F265/06 ,  C08F290/12 ,  C08F299/06 ,  G03F7/027 ,  G03F7/033 ,  G03F7/3035 ,  G03F7/322 ,  G03F7/38 ,  C08F222/10

Abstract: Disclosed is a lithographic printing plate allowing for high running performance of the developer, wide water window and high printing durability. The lithographic printing plate precursor comprises a photosensitive layer on a support, wherein the photosensitive layer comprises (A) a polymerizable compound, (B) a polymerization initiator, (C) a polyvinyl acetal binder containing at least one kind of repeat units represented by general formula (I-c), general formula (I-b) and general formula (I-a), and (D) an acrylic resin binder.

Abstract translation: 公开了一种允许显影剂的高运行性能，宽水窗和高印刷耐久性的平版印刷版。 平版印刷版原版在载体上包含感光层，其中感光层包含（A）可聚合化合物，（B）聚合引发剂，（C）含有至少一种重复单元的聚乙烯醇缩乙醛粘合剂， 式（Ic），通式（Ib）和通式（Ia），和（D）丙烯酸树脂粘合剂。