METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE SUPPORT
    232.
    发明申请
    METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE SUPPORT 审中-公开
    制作平版印刷版支持的方法

    公开(公告)号:US20110048265A1

    公开(公告)日:2011-03-03

    申请号:US12528586

    申请日:2008-03-07

    Abstract: A method for making a lithographic aluminum printing plate support comprising the steps of (i) graining said support by applying a charge density x; (ii) desmutting the grained support; (iii) graining the desmutted support by applying a charge density y; (iv) anodizing the support; characterized in that during each graining step a current density varying between 80 and 250 A/dm2 is applied and that the ratio x/x+y varies between 0.3 and 0.7.

    Abstract translation: 一种制备平版印刷铝印版支撑体的方法,包括以下步骤:(i)通过施加电荷密度x来对所述支撑体进行磨粒; (ii)解散粮食支持; (iii)通过施加电荷密度y来对未完成的支持进行分段; (iv)阳极氧化载体; 其特征在于,在每个研磨步骤期间,施加在80和250A / dm 2之间变化的电流密度,并且x / x + y的比率在0.3和0.7之间变化。

    METHOD FOR MAKING A LITHOGRAPHIC PRINTER PLATE PRECURSOR
    235.
    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
    236.
    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
    237.
    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
    238.
    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
    240.
    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

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