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    THERMAL LITHOGRAPHIC PRINTING PLATE
    2.
    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。

    3.
    发明专利
    未知

    公开(公告)号：DE69509435T3

    公开(公告)日：2004-07-08

    申请号：DE69509435

    申请日：1995-05-26

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： BAUMANN HARALD ,  TIMPE HANS-JOACHIM ,  HERTING HANS-PETER

    IPC: G03F7/029

    Abstract: A visible radiation sensitive composition is described which comprises a binder, one or more polymerizable compounds containing at least one polymerizable group, and one or more dyes having an absorption range in the emission range of the radiation source, characterized in that said composition comprises as an initiator an initiator system consisting of a metallocene as a photoinitiator and an onium compound as a coinitiator. The visible radiation sensitive composition shows an increased radiation sensitivity compared to the known radiation sensitive compositions and is especially suitable for recording materials such as printing plates, which can, in particular, also be exposed by means of laser radiation in the visible range.

    4.
    发明专利
    未知

    公开(公告)号：DE69818421D1

    公开(公告)日：2003-10-30

    申请号：DE69818421

    申请日：1998-08-14

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： NGUYEN T ,  MERCHANT NISHITH ,  SHIMAZU KEN-ICHI ,  PAPPAS S ,  HALLMAN W ,  KESSELMAN P ,  SAVARIAR-HAUCK CELIN ,  HAUCK GERHARD ,  TIMPE HANS-JOACHIM

    IPC: B41C1/10 ,  B41M5/36 ,  G03F7/004 ,  G03F7/023

    Abstract: A method for directly imaging a lithographic printing surface using infrared radiation without the requirement of pre- or post-UV-light exposure, or heat treatment employs a printing plate which contains a support with a hydrophilic surface overcoated with an imaging layer. The imaging layer contains at least one polymer having bonded pendent groups which are hydroxy, carboxylic acid, tert-butyl-oxycarbonyl, sulfonamide, amide, nitrile, urea, or combinations thereof; as well as an infrared absorbing compound. The imaging layer may contain a second polymer which has bonded pendent groups which are 1,2-napthoquinone diazide, hydroxy, carboxylic acid, sulfonamide, hydroxymethyl amide, alkoxymethyl amide, nitrile, maleimide, urea, or combinations thereof. The imaging layer may also contain a visible absorption dye, a solubility inhibiting agent, or both. In practice, the imaging layer is imagewise exposed to infrared radiation to produce exposed image areas in the imaged layer which have transient solubility in aqueous alkaline developing solution, so that solubility is gradually lost over a period of time until the imaged areas become as insoluble as non-imaged areas. Within a short time period of the imaging exposure, the imaged layer is developed with an aqueous alkaline developing solution to form the lithographic printing surface. In this method, the infrared radiation preferably is laser radiation which is digitally controlled.

    7.
    发明专利
    未知

    公开(公告)号：DE69818421T2

    公开(公告)日：2004-07-08

    申请号：DE69818421

    申请日：1998-08-14

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： NGUYEN T ,  MERCHANT NISHITH ,  SHIMAZU KEN-ICHI ,  PAPPAS S ,  HALLMAN W ,  KESSELMAN P ,  SAVARIAR-HAUCK CELIN ,  HAUCK GERHARD ,  TIMPE HANS-JOACHIM

    IPC: B41C1/10 ,  B41M5/36 ,  G03F7/004 ,  G03F7/023

    Abstract: A method for directly imaging a lithographic printing surface using infrared radiation without the requirement of pre- or post-UV-light exposure, or heat treatment employs a printing plate which contains a support with a hydrophilic surface overcoated with an imaging layer. The imaging layer contains at least one polymer having bonded pendent groups which are hydroxy, carboxylic acid, tert-butyl-oxycarbonyl, sulfonamide, amide, nitrile, urea, or combinations thereof; as well as an infrared absorbing compound. The imaging layer may contain a second polymer which has bonded pendent groups which are 1,2-napthoquinone diazide, hydroxy, carboxylic acid, sulfonamide, hydroxymethyl amide, alkoxymethyl amide, nitrile, maleimide, urea, or combinations thereof. The imaging layer may also contain a visible absorption dye, a solubility inhibiting agent, or both. In practice, the imaging layer is imagewise exposed to infrared radiation to produce exposed image areas in the imaged layer which have transient solubility in aqueous alkaline developing solution, so that solubility is gradually lost over a period of time until the imaged areas become as insoluble as non-imaged areas. Within a short time period of the imaging exposure, the imaged layer is developed with an aqueous alkaline developing solution to form the lithographic printing surface. In this method, the infrared radiation preferably is laser radiation which is digitally controlled.

    9.
    发明专利
    未知

    公开(公告)号：DE69610271D1

    公开(公告)日：2000-10-19

    申请号：DE69610271

    申请日：1996-07-09

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： TIMPE HANS-JOACHIM ,  DWARS UDO ,  BAUMANN HARALD ,  SAVRIAR-HAUCK CELIN

    IPC: C08F8/28 ,  C08F8/34 ,  G03F7/021 ,  G03F7/033

    Abstract: The present invention relates to binders and photosensitive compositions comprising said binders. The binder comprises units A, B, C and D, wherein A is present in an amount of 0.5 to 15 wt.% and is of the formula B is present in an amount of 20 to 35 wt.% and is of the formula C is present in an amount of 20 to 50 wt.% and is of the formula wherein R is methyl, ethyl, propyl or isopropyl, and D is present in an amount of 25 to 70 wt.% and is of the formula wherein n is an integer of from 1 to 3 and R , R are hydrogen or methyl and R is alkyl, aralkyl or aryl.

    10.
    发明专利
    未知

    公开(公告)号：AT196299T

    公开(公告)日：2000-09-15

    申请号：AT96111023

    申请日：1996-07-09

    Applicant: KODAK POLYCHROME GRAPHICS LLC

    Inventor： TIMPE HANS-JOACHIM ,  DWARS UDO ,  BAUMANN HARALD ,  SAVRIAR-HAUCK CELIN

    IPC: C08F8/28 ,  C08F8/34 ,  G03F7/021 ,  G03F7/033

    Abstract: The present invention relates to binders and photosensitive compositions comprising said binders. The binder comprises units A, B, C and D, wherein A is present in an amount of 0.5 to 15 wt.% and is of the formula B is present in an amount of 20 to 35 wt.% and is of the formula C is present in an amount of 20 to 50 wt.% and is of the formula wherein R is methyl, ethyl, propyl or isopropyl, and D is present in an amount of 25 to 70 wt.% and is of the formula wherein n is an integer of from 1 to 3 and R , R are hydrogen or methyl and R is alkyl, aralkyl or aryl.

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