METHOD FOR MAKING A LITHOGRAPHIC PRINTER PLATE PRECURSOR
    481.
    发明申请
    METHOD FOR MAKING A LITHOGRAPHIC PRINTER PLATE PRECURSOR 有权
    制造光刻印刷机前驱体的方法

    公开(公告)号:US20100129755A1

    公开(公告)日:2010-05-27

    申请号:US12594091

    申请日:2008-05-15

    Abstract: A method for making a lithographic printing plate precursor is disclosed comprising the steps of a. providing a lithographic printing plate precursor including a support having a hydrophilic surface or which is provided with a hydrophilic layer, a photopolymerizable coating comprising a photopolymerizable composition, and an overcoat layer comprising a water soluble low molecular weight acid, wherein said overcoat layer has a surface pH-value ranging between 1 to 6; b. image-wise exposing the precursor; c. optionally heating the exposed precursor; d. processing the obtained precursor by applying a gum solution and optionally brushing the precursor, and/or by mounting the precursor on a plate cylinder of a lithographic printing press and rotating the plate cylinder while feeding dampening liquid and/or ink to the coating. The printing plate obtained after imaging and processing in an off-press configuration with a gum solution or in an on-press configuration with fountain solution and ink shows an improved roll-up performance in the start-up of a printing process on a printing press.

    Abstract translation: 公开了一种制备平版印刷版前体的方法,包括以下步骤:a。 提供一种平版印刷版原版,其包括具有亲水性表面的支持体,或设置有亲水层,包含可光聚合组合物的光聚合涂层和包含水溶性低分子量酸的外涂层,其中所述外涂层具有表面 pH值介于1到6之间; b。 以图像方式曝光前体; C。 可选地加热暴露的前体; d。 通过施加胶溶液和任选地刷涂前体来处理所获得的前体,和/或通过将前体安装在平版印刷机的印版滚筒上并旋转印版滚筒,同时将润版液体和/或墨水供给到涂层。 通过胶溶液在印刷结构中进行成像处理后获得的印刷版或具有润版液和油墨的印刷机构造成的印刷版在印刷机上的印刷过程启动时显示出改进的卷起性能 。

    WATER-DEVELOPABLE PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE MATERIAL
    482.
    发明申请
    WATER-DEVELOPABLE PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE MATERIAL 审中-公开
    水可溶性光刻印刷印刷材料

    公开(公告)号:US20100112478A1

    公开(公告)日:2010-05-06

    申请号:US12532592

    申请日:2008-03-21

    Applicant: Akira Furukawa

    Inventor: Akira Furukawa

    Abstract: The present invention provides a highly sensitive photosensitive lithographic printing plate material capable of being used in a CTP system, which allows on-press development and/or development with water and has superior printability. More specifically, the present invention provides a water-developable photosensitive lithographic printing plate material comprising a support; on the support, a hydrophilic layer containing a water-soluble polymer, a crosslinking agent which forms a cross-linking network with the water-soluble polymers, and colloidal silica, wherein the weight ratio of the water-soluble polymer to the colloidal silica is within the range of 1:1 to 1:3; and, on the hydrophilic layer, a photocurable photosensitive layer containing a polymer having a sulfonic acid group and a vinylphenyl group in a side chain wherein the vinylphenyl group is attached to a main chain through a linking group containing a hetero ring, a photopolymerization initiator, and a compound which sensitizes the photopolymerization initiator.

    Abstract translation: 本发明提供能够用于CTP系统中的高灵敏度光敏平版印刷版材料,其允许用水进行印刷和/或显影,并且具有优异的可印刷性。 更具体地说,本发明提供一种包含载体的水显影感光性平版印刷版材料, 在载体上,含有水溶性聚合物的亲水层,与水溶性聚合物形成交联网络的交联剂和胶体二氧化硅,其中水溶性聚合物与胶体二氧化硅的重量比为 在1:1至1:3的范围内; 并且在亲水层上,在侧链中含有具有磺酸基和乙烯基苯基的聚合物的光固化感光层,其中乙烯基苯基通过含有杂环的连接基团连接到主链上,光聚合引发剂, 和使光聚合引发剂敏化的化合物。

    Method of making a lithographic printing plate
    483.
    发明授权
    Method of making a lithographic printing plate 有权
    制作平版印刷版的方法

    公开(公告)号:US07704679B2

    公开(公告)日:2010-04-27

    申请号:US12093600

    申请日:2006-11-09

    Applicant: Marc Van Damme

    Inventor: Marc Van Damme

    Abstract: A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support, including a photopolymerizable layer and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator and a binder, b) image-wise exposing the coating in a plate setter, c) optionally, heating the precursor in a pre-heating unit, d) treating the precursor in a gumming station, including a first and at least a second gumming unit, wherein the precursor is consecutively developed in the first and the second gumming unit with a gum solution, thereby removing non-exposed areas of the photopolymerizable layer from the support and gumming the plate in a single step.

    Abstract translation: 制备平版印刷版的方法包括以下步骤:a)提供平版印刷版前体,其包括(i)具有亲水表面的或具有亲水层的载体,(ii)载体上的涂层,包括 可光聚合层和任选地在可光聚合层和载体之间的中间层,其中可光聚合层包括可聚合化合物,聚合引发剂和粘合剂,b)成像曝光在印版机中的涂层,c)任选地 在预加热单元中加热前体,d)在上胶台中处理前体,包括第一和至少第二上胶单元,其中前体在第一和第二上胶单元中连续地用胶溶液显影 从而从支持体中除去可光聚合层的未曝光区域并且在单个步骤中涂覆该板。

    PLATE MAKING METHOD OF LITHOGRAPHIC PRINTING PLATE PRECURSOR
    484.
    发明申请
    PLATE MAKING METHOD OF LITHOGRAPHIC PRINTING PLATE PRECURSOR 有权
    平版印刷机前驱板制作方法

    公开(公告)号:US20100075260A1

    公开(公告)日:2010-03-25

    申请号:US12563812

    申请日:2009-09-21

    Applicant: Tomoya Sasaki

    Inventor: Tomoya Sasaki

    Abstract: A plate making method of a lithographic printing plate precursor includes: exposing imagewise a lithographic printing plate precursor including a support and an image-forming layer and containing (A) a compound generating an acid with light or heat, (B) an aromatic hydrocarbon compound or heterocyclic compound substituted with a functional group containing a nitrogen atom and (C) an aromatic aldehyde protected with an acid-decomposable group; and removing an unexposed area of the image-forming layer of the lithographic printing plate precursor by supplying at least one of dampening water and ink on a cylinder of a printing machine.

    Abstract translation: 平版印刷版原版的制版方法包括:对包含载体和图像形成层的平版印刷版原版进行成像曝光,并含有(A)产生酸或光的化合物,(B)芳族烃化合物 或被含有氮原子的官能团取代的杂环化合物和(C)用酸可分解基团保护的芳族醛; 以及通过在印刷机的圆筒上提供润湿水和油墨中的至少一个来去除平版印刷版原版的图像形成层的未曝光区域。

    PROCESSING OF POSITIVE-WORKING LITHOGRAPHIC PRINTING PLATE PRECURSOR
    486.
    发明申请
    PROCESSING OF POSITIVE-WORKING LITHOGRAPHIC PRINTING PLATE PRECURSOR 有权
    正式工作平版印刷机前驱板的处理

    公开(公告)号:US20100047723A1

    公开(公告)日:2010-02-25

    申请号:US12195468

    申请日:2008-08-21

    Abstract: Positive-working imageable elements can be imaged and processed using a processing solution that comprises at least 0.03 N of an organic amine or a mixture thereof, whose conjugated acids have a pKa greater than 9 and a boiling point greater than 150° C. The imageable element is a single-layer, infrared radiation-sensitive positive-working imageable element comprising a substrate and an infrared radiation absorbing compound. It also has an imageable layer that comprises a developability-enhancing compound and a poly(vinyl acetal) in which at least 25 mol % of its recurring units comprise pendant phenol, naphthol, or anthracenol groups that are substituted with one or more electron-withdrawing groups.

    Abstract translation: 可以使用包含至少0.03N的共轭酸的pKa大于9且沸点大于150℃的有机胺或其混合物的处理溶液成像和处理正性可成像元件。可成像的 元件是包括基底和红外辐射吸收化合物的单层红外辐射敏感的正性可成像元件。 它还具有可成像层,其包含显影性增强化合物和聚(乙烯醇缩醛),其中至少25摩尔%的其重复单元包括被一个或多个吸电子取代的侧苯酚,萘酚或蒽代醇基 团体

    METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE
    487.
    发明申请
    METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE 审中-公开
    制作平版印刷版的方法

    公开(公告)号:US20100037791A1

    公开(公告)日:2010-02-18

    申请号:US12530656

    申请日:2008-03-06

    Abstract: A method for making a lithographic printing plate including the steps of providing a lithographic printing plate precursor including a heat sensitive image-recording layer, the image-recording layer including hydrophobic thermoplastic particles; image-wise exposing the precursor to infrared radiation having an energy density of 190 mJ/cm2 or less; mounting the exposed precursor on a printing press; developing the mounted precursor by supplying ink and/or fountain; and baking the plate by keeping the plate at a temperature above the glass transition temperature of the thermoplastic particles during a period between 5 seconds and 2 minutes.

    Abstract translation: 一种制备平版印刷版的方法,包括以下步骤:提供包括热敏图像记录层的平版印刷版原版,所述图像记录层包括疏水性热塑性颗粒; 将前体成像地曝光到能量密度为190mJ / cm 2以下的红外辐射; 将暴露的前体安装在印刷机上; 通过供应墨水和/或喷泉来显影所安装的前体; 并且在5秒至2分钟之间的时间内将板保持在高于热塑性颗粒的玻璃化转变温度的温度下烘烤该板。

    PLANOGRAPHIC PRINTING PLATE PRECURSOR
    489.
    发明申请
    PLANOGRAPHIC PRINTING PLATE PRECURSOR 审中-公开
    PLANOGRAPHIC印刷板前身

    公开(公告)号:US20090253071A1

    公开(公告)日:2009-10-08

    申请号:US12414676

    申请日:2009-03-31

    Applicant: Ikuo KAWAUCHI

    Inventor: Ikuo KAWAUCHI

    Abstract: A planographic printing plate precursor comprising a hydrophilic support having a surface roughness (Ra) in a range of from 0.45 to 0.60, and, on the support, a recording layer containing a phenolic resin, an infrared absorber and a polymer having at least one selected from the group consisting of a structural unit represented by the following formula (I) and a structural unit represented by the following formula (II). In the Formulae (I) and (II), R1 represents a hydrogen atom or an alkyl group; z represents —O— or —NR2— wherein R2 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group; Ar1 and Ar2 each independently represent an aromatic group, and at least one of Ar1 and Ar2 represents a heteroaromatic group; and a and b each independently represent 0 or 1.

    Abstract translation: 一种平版印刷版前体,其包含表面粗糙度(Ra)在0.45至0.60范围内的亲水性支持体,并且在载体上包含含有酚醛树脂,红外吸收剂和至少一种所选择的聚合物的记录层 由由下式(I)表示的结构单元和由下式(II)表示的结构单元组成。 在式(I)和(II)中,R 1表示氢原子或烷基; z表示-O-或-NR2-,其中R2表示氢原子,烷基,烯基或炔基; Ar 1和Ar 2各自独立地表示芳基,Ar 1和Ar 2中的至少一个表示杂芳基; 和a和b各自独立地表示0或1。

    METHODS FOR IMAGING AND PROCESSING NEGATIVE-WORKING IMAGEABLE ELEMENTS
    490.
    发明申请
    METHODS FOR IMAGING AND PROCESSING NEGATIVE-WORKING IMAGEABLE ELEMENTS 审中-公开
    用于成像和处理负压工作图像元素的方法

    公开(公告)号:US20090246698A1

    公开(公告)日:2009-10-01

    申请号:US12057673

    申请日:2008-03-28

    Abstract: An imaged and developed element, such as a lithographic printing plate, is provided by infrared radiation imaging of a negative-working imageable element having an outermost imageable layer that includes an acid generating compound that generates acid upon exposure to imaging infrared radiation, an infrared radiation absorbing compound, an acid activatable crosslinking agent that has acid activatable reactive groups, and a polymeric binder that is capable of undergoing an acid-catalyzed condensation reaction with the crosslinking agent. The imaged element is heated at from about 120 to about 150° C. for up to two minutes, and then developed with a single processing solution to remove only the non-exposed regions and to provide a protective layer prior to lithographic printing.

    Abstract translation: 通过对具有最外可成像层的负性可成像元件的红外辐射成像提供成像和显影元件,例如平版印刷版,其包括在暴露于成像红外辐射时产生酸的产酸化合物,红外辐射 具有酸可活化反应性基团的酸可活化交联剂和能够与交联剂进行酸催化缩合反应的聚合物粘合剂。 将成像的元件在约120至约150℃加热长达两分钟,然后用单一处理溶液显影以仅去除非曝光区域,并在平版印刷之前提供保护层。

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