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    THERMAL LITHOGRAPHIC PRINTING PLATE
    1.
    发明申请
    THERMAL LITHOGRAPHIC PRINTING PLATE 审中-公开
    热平面印刷板

    公开(公告)号：WO9967097A3

    公开(公告)日：2000-04-27

    申请号：PCT/US9912689

    申请日：1999-06-08

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： SHIMAZU KEN-ICHI ,  PATEL JAYANTI ,  SARAIYA SHASHIKANT ,  MERCHANT NISHITH ,  SAVARIAR-HAUCK CELIN ,  TIMPE HANS-JOACHIM ,  MCCULLOUGH CHRISTOPHER D

    IPC: B41C1/055 ,  B41C1/10 ,  B41M5/36 ,  B41M5/40 ,  B41M5/42 ,  B41M5/44 ,  B41M5/46 ,  G03F7/00

    CPC classification number: B41M5/42 ,  B41C1/1016 ,  B41C2201/04 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/24 ,  B41C2210/26 ,  B41C2210/262 ,  B41C2210/264 ,  B41C2210/266 ,  B41M5/368 ,  B41M5/44 ,  B41M5/465

    Abstract: A thermal lithographic printing plate, which can be imaged by thermal energy typically by imagewise exposure with an infrared emitting laser, a thermal printing head, etc., is made up of a hydrophilic substrate, and a composite layer structure composed of two layer coatings. Preferably, the first layer of the composite is composed of an aqueous developable polymer mixture containing a photothermal conversion material which is contiguous to the hydrophilic substrate. The second layer of the composite is composed of one or more non-aqueous soluble polymers which are soluble or dispersible in a solvent which does not dissolve the first layer. The plate is exposed with an infrared laser or a thermal print head, and upon aqueous development of the imaged plate, the exposed portions are removed exposing hydrophilic substrate surfaces receptive to conventional aqueous fountain solutions. The unexposed portions contain the ink-receptive image areas. Alternatively, the composite layer may be free of photothermal conversion material when thermal imaging is carried out using a thermal printing head.

    Abstract translation: 可以通过热能成像通过用红外发射激光成像曝光，热打印头等来成像的热平版印刷版由亲水基材和由两层涂层组成的复合层结构构成。 优选地，复合材料的第一层由包含与亲水基底邻接的光热转换材料的水性可显影聚合物混合物组成。 复合材料的第二层由一种或多种可溶于或不溶于不溶于第一层的溶剂中的非水溶性聚合物组成。 该板用红外激光或热打印头曝光，并且在成像板的水性显影时，去除曝光部分，暴露接受常规水性喷泉溶液的亲水底物表面。 未曝光部分包含吸墨图像区域。 或者，当使用热敏打印头进行热成像时，复合层可以不含光热转换材料。

    2.
    发明专利
    未知

    公开(公告)号：DE60305330T2

    公开(公告)日：2007-03-29

    申请号：DE60305330

    申请日：2003-08-07

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： MUNNELLY M ,  WEST R ,  SARAIYA SHASHIKANT ,  HUANG JIANBING

    IPC: B41C1/10 ,  G03F7/004 ,  B41M5/36 ,  B41N1/14 ,  G03F7/00 ,  G03F7/028 ,  G03F7/031 ,  G03F7/033 ,  G03F7/038

    Abstract: Negative working thermally imageable elements useful as lithographic printing plate precursors and methods for their use are disclosed. The elements have a substrate, a layer of imageable composition over the substrate, and, optionally, an overcoat layer over the layer of imageable composition. The imageable composition has an allyl-functional polymeric binder. Optimum resolution and on-press performance can be attained without a post-exposure bake. The elements do not require a post-exposure bake and can be used in on-press development applications.

    ELEMENTO DE FORMACION TERMICA DE IMAGENES Y PRECURSOR DE PLACA LITOGRAFICA.
    5.
    发明专利
    ELEMENTO DE FORMACION TERMICA DE IMAGENES Y PRECURSOR DE PLACA LITOGRAFICA. 未知

    公开(公告)号：ES2253895T3

    公开(公告)日：2006-06-01

    申请号：ES99928429

    申请日：1999-06-08

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： SHIMAZU KEN-ICHI ,  PATEL JAYANTI ,  SARAIYA SHASHIKANT ,  MERCHANT NISHITH ,  SAVARIAR-HAUCK CELIN ,  TIMPE HANS-JOACHIM

    IPC: B41C1/10 ,  B41C1/055 ,  B41M5/36 ,  B41M5/40 ,  B41M5/42 ,  B41M5/44 ,  B41M5/46 ,  G03F7/00

    Abstract: Un elemento de formación térmica de imágenes que funciona como positivo, que comprende: (A) un sustrato y (B) una estructura laminar compuesta sensible térmicamente, que tiene una superficie interior contigua al sustrato y una superficie exterior, comprendiendo la estructura laminar compuesta: (a) una primera capa que tiene la superficie interior, comprendiendo la primera capa un primer material polimérico y un material de conversión fototérmica, siendo el primer material polimérico soluble o dispersable en una solución acuosa, y (b) una segunda capa que tiene la superficie exterior, comprendiendo la segunda capa un segundo material polimérico, siendo la segunda capa insoluble en la solución acuosa, en el que primero se aplica la primera capa, que contiene el material de conversión fototérmica, y posteriormente se aplica la segunda capa, en el que, tras calentar la estructura laminar compuesta, la estructura laminar compuesta queda provista de porciones calentadas y porciones complementarias no calentadas, y en el que las porciones calentadas tienen una velocidad incrementada de separación en la solución acuosa.

    6.
    发明专利
    未知

    公开(公告)号：DE10393651T5

    公开(公告)日：2005-10-20

    申请号：DE10393651

    申请日：2003-11-03

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： HUANG JIANBING ,  SARAIYA SHASHIKANT ,  ZHONG XING-FU

    IPC: B41C1/10 ,  B41M5/36 ,  C07D239/46 ,  C07D487/04 ,  G03F7/027 ,  G03F7/035 ,  G03F7/038

    Abstract: QHB-Modified free radical polymerizable compounds and free radical polymerizable compositions that comprise these compounds are disclosed. A QBH-modified free radical polymerizable compound has at least one moiety that comprises at least one free radical polymerizable group; a supporting backbone, and at least one and preferably at least two moieties capable of forming four or more, typically four, hydrogen bonds with similar or complementary units on other molecules or portions of molecules. Free radical polymerizable compositions that contain these compounds may be used in any of the well-known applications for free radical polymerizable compositions. They are especially useful for the formation of imageable elements useful as lithographic printing plate precursors.

    7.
    发明专利
    未知

    公开(公告)号：DE69817345T2

    公开(公告)日：2004-06-09

    申请号：DE69817345

    申请日：1998-05-15

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： ZHONG XING-FU ,  SHIMAZU KEN-ICHI ,  PAPPAS PETER ,  HARMS H ,  DO THI ,  SARAIYA SHASHIKANT ,  KEAVENEY P

    IPC: B41C1/10 ,  G03F1/00

    Abstract: Presensitized lithographic plates are prepared which permit direct formation of printable images on plates by digital computerization without the intervening formation of a photographic image with a quality that allows the plates to be used for high volume printing applications. The lithographic printing plate has a structure which contains a substrate; a positive or negative working photosensitive layer; and a thermally sensitive masking layer which is opaque to the actinic radiation but which is soluble in an aqueous medium. The masking layer contains a heat softenable disperse phase which is insoluble in the aqueous medium; a polymeric continuous phase which is soluble or swellable in the aqueous medium; and a colorant which strongly absorbs radiant energy and converts the radiant energy to heat. In use the masking layer is digitally exposed to a computer controlled laser image so that exposed image areas of the masking are insolublized in the aqueous medium; soluble areas of the mask layer are then removed to form an opaque image mask on the photosensitive layer which is then exposed to actinic radiation passing through the mask to solubilize or insolubilize exposed areas of the photosensitive layer; the photosensitive layer is then developed with the developer liquid to remove the soluble areas and any overlying mask areas to form the lithographic printing plate. Both wet and waterless lithographic printing plates may be digitally prepared in this manner.

    10.
    发明专利
    未知

    公开(公告)号：DE69817345D1

    公开(公告)日：2003-09-25

    申请号：DE69817345

    申请日：1998-05-15

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： ZHONG XING-FU ,  SHIMAZU KEN-ICHI ,  PAPPAS PETER ,  HARMS H ,  DO THI ,  SARAIYA SHASHIKANT ,  KEAVENEY P

    IPC: B41C1/10 ,  G03F1/00

    Abstract: Presensitized lithographic plates are prepared which permit direct formation of printable images on plates by digital computerization without the intervening formation of a photographic image with a quality that allows the plates to be used for high volume printing applications. The lithographic printing plate has a structure which contains a substrate; a positive or negative working photosensitive layer; and a thermally sensitive masking layer which is opaque to the actinic radiation but which is soluble in an aqueous medium. The masking layer contains a heat softenable disperse phase which is insoluble in the aqueous medium; a polymeric continuous phase which is soluble or swellable in the aqueous medium; and a colorant which strongly absorbs radiant energy and converts the radiant energy to heat. In use the masking layer is digitally exposed to a computer controlled laser image so that exposed image areas of the masking are insolublized in the aqueous medium; soluble areas of the mask layer are then removed to form an opaque image mask on the photosensitive layer which is then exposed to actinic radiation passing through the mask to solubilize or insolubilize exposed areas of the photosensitive layer; the photosensitive layer is then developed with the developer liquid to remove the soluble areas and any overlying mask areas to form the lithographic printing plate. Both wet and waterless lithographic printing plates may be digitally prepared in this manner.

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