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    Diazo based imaging element having improved storage stability
    2.
    发明授权
    Diazo based imaging element having improved storage stability 失效
    重氮基成像元件具有改善的储存稳定性

    公开(公告)号：US5714300A

    公开(公告)日：1998-02-03

    申请号：US593355

    申请日：1996-01-29

    Applicant: Joan Vermeersch ,  Dirk Kokkelenberg ,  Guido Hauquier

    Inventor： Joan Vermeersch ,  Dirk Kokkelenberg ,  Guido Hauquier

    IPC: G03F7/004 ,  G03F7/00 ,  G03F7/016 ,  G03F7/021 ,  G03F7/075 ,  G03F7/11 ,  G03C1/93

    CPC classification number: G03F7/016

    Abstract: The present invention provides an imaging element comprising on a support a hydrophilic layer containing a hydrophilic (co)polymer or (co)polymer mixture and having been hardened with a hydrolysed tetraalkyl orthosilicate and a light sensitive layer containing a diazo resin and/or a diazonium salt characterized in that the light sensitive layer comprises at least one diazo resin or diazonium salt containing or being a diazonium salt of p-aminodiphenylamine containing as substituent an alkyl or alkoxy group and the weight percentage of said diazonium salt(s) and/or diazo resin(s) containing or being a diazonium salt of p-aminodiphenylamine containing as substituent an alkyl or alkoxy group versus the total amount of diazo resin and/or diazonium salt ranges from 22 to 40%.

    Abstract translation: 本发明提供了一种成像元件，其在支撑体上包含亲水层，该亲水层含有亲水（共）聚合物或（共）聚合物混合物，并已被水解的原硅酸四烷基酯和含有重氮树脂和/或重氮的光敏层硬化 盐，其特征在于，所述光敏层包含至少一种含有或作为含有烷基或烷氧基的取代基的对氨基二苯胺的重氮盐和所述重氮盐和/或重氮的重氮盐的重氮树脂或重氮盐 含有或作为烷基或烷氧基取代基的对氨基二苯胺的重氮盐相对于重氮树脂和/或重氮盐的总量的树脂的含量为22〜40％。

    Method for making positive working printing plates
    6.
    发明授权
    Method for making positive working printing plates 失效
    制作正版印刷版的方法

    公开(公告)号：US06458510B1

    公开(公告)日：2002-10-01

    申请号：US09476109

    申请日：2000-01-03

    Applicant: Joan Vermeersch ,  Marc Van Damme ,  Dirk Kokkelenberg ,  Bart Braspenninckx

    Inventor： Joan Vermeersch ,  Marc Van Damme ,  Dirk Kokkelenberg ,  Bart Braspenninckx

    IPC: G03F7004

    CPC classification number: B41C1/1016 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41N3/06 ,  Y10S430/145 ,  Y10S430/146 ,  Y10S430/165

    Abstract: According to the present invention there is provided a method for the preparation of a lithographic printing plate comprising the steps of exposing with IR light an imaging element comprising on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution and a top layer on the same side of the lithographic base as the first layer which top layer is IR-sensitive and unpenetratable for or insoluble in an alkaline developer wherein said first layer and said top layer may be one and the same layer, said imaging element comprising a siloxane surfactant; developing said exposed imaging element with an alkaline solution; rinsing said developed imaging element with water or an aqueous solution; gumming said developed imaging element with a baking gum solution; subjecting said gummed imaging element to a thermal treatment at a temperature above 50° C.; characterized in that said rinsing is carried out with a brushing and/or with water containing a surfactant.

    Abstract translation: 根据本发明，提供了一种制备平版印刷版的方法，包括以下步骤：用IR光照射成像元件，该成像元件在光刻基底上具有亲水表面，第一层包括可溶于碱性水溶液的聚合物 以及与所述第一层在所述平版印刷基底的相同侧上的顶层，所述第一层的顶层对于碱性显影剂是IR敏感的且不可渗透的或不溶于碱性显影剂，其中所述第一层和所述顶层可以是同一层，所述成像 元素，其包含硅氧烷表面活性剂;用碱性溶液显影所述暴露的成像元件;用水或水溶液漂洗所述显影的成像元件;用烘焙胶溶液涂覆所述显影的成像元件;使所述胶粘的成像元件在 温度高于50℃;其特征在于，所述冲洗是用刷洗和/或用水进行的 涂上表面活性剂。

    Printable paper; process for producing printable paper; and use thereof
    7.
    发明授权
    Printable paper; process for producing printable paper; and use thereof 有权
    可打印纸; 印刷纸生产工艺; 及其用途

    公开(公告)号：US08357447B2

    公开(公告)日：2013-01-22

    申请号：US12402599

    申请日：2009-03-12

    Applicant: Dirk Quintens ,  Dirk Kokkelenberg

    Inventor： Dirk Quintens ,  Dirk Kokkelenberg

    IPC: B32B5/18 ,  B05D5/04

    CPC classification number: B41M5/52 ,  B32B27/08 ,  B32B27/36 ,  B32B27/40 ,  B41M5/506 ,  B41M5/508 ,  B41M5/5218 ,  B41M5/5254 ,  D21H17/20 ,  D21H19/36 ,  D21H19/56 ,  D21H19/72 ,  D21H19/84 ,  Y10T428/24934 ,  Y10T428/249953 ,  Y10T428/249972 ,  Y10T428/249979 ,  Y10T428/249987 ,  Y10T428/249991 ,  Y10T428/249992 ,  Y10T428/31551 ,  Y10T428/31786

    Abstract: A printable paper comprising a water-resistant support having two optionally subbed sides and a single layer on at least one of said optionally subbed sides, wherein said single layer has no substantial compositional variation, has a layer thickness of at least 3 μm, a pore volume of at least 1.2 mL/m2 and comprises at least one porous pigment; a process for producing a printable paper comprising the steps of: (i) optionally providing a water-resistant support having two sides with a subbing layer on at least one side; (ii) providing at least one side of said optionally subbed water-resistant support with a single layer having no substantial compositional variation, said single layer being applied to said optionally subbed water-resistant support as at least one wet aqueous layer in a single pass for each side of said water-resistant support, said at least one aqueous layer comprising at least one latex, at least one pigment, at least one binder and optionally at least one insolubilizing agent, wherein said latex is an anionic acrylic latex or an aliphatic polyurethane latex; and the use in printing of the above-described printable paper or that obtained by the above-described production process.

    Abstract translation: 一种可印刷纸，其包括具有两个任选的副床侧的防水支撑件和在所述任选的副床边中的至少一个上的单层，其中所述单层没有实质的组成变化，具有至少3μm的层厚度， 至少1.2mL / m 2的体积，并且包含至少一种多孔颜料; 一种用于生产可印刷纸的方法，包括以下步骤：（i）任选地在至少一个侧面上提供具有双面层的防水支撑体，其具有底层; （ii）用不具有实质性组成变化的单层提供所述任选的底层防水支撑体的至少一侧，所述单层作为至少一个单一湿度水层施加到所述任选的底层防水支撑体 所述至少一层水层包含至少一种胶乳，至少一种颜料，至少一种粘合剂和任选的至少一种不溶化剂，其中所述胶乳是阴离子丙烯酸胶乳或脂族 聚氨酯胶乳; 以及在上述可印刷纸的印刷中的应用或通过上述制造方法得到的用途。

    Heat-sensitive lithographic printing plate precursor
    8.
    发明申请
    Heat-sensitive lithographic printing plate precursor 审中-公开
    热敏平版印刷版前体

    公开(公告)号：US20050084797A1

    公开(公告)日：2005-04-21

    申请号：US10960466

    申请日：2004-10-07

    Applicant: Joan Vermeersch ,  Sue Wilkinson ,  Dirk Kokkelenberg

    Inventor： Joan Vermeersch ,  Sue Wilkinson ,  Dirk Kokkelenberg

    IPC: B41C1/10 ,  G03C3/00

    CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24

    Abstract: A heat sensitive lithographic printing plate precursor comprising in the order given (i) a lithographic base having a hydrophilic surface, (ii) an image recording layer comprising hydrophobic thermoplastic polymer particles and (iii) a contrast layer, wherein the precursor comprising an infrared absorbing compound present in at least one of said image recording layer or contrast layer and wherein the contrast layer further comprises a colorant capable of providing a visible image after exposure and development of the precursor and wherein the image recording layer is substantially free of the colorant. The printing plate formed after image-wise exposing and processing exhibits an improved image-contrast and reduced staining.

    Abstract translation: 一种热敏平版印刷版原版，其顺序包括（i）具有亲水表面的平版印刷基底，（ii）包含疏水性热塑性聚合物颗粒的图像记录层和（iii）对比层，其中所述前体包含红外吸收 化合物存在于所述图像记录层或对比层中的至少一个中，并且其中所述对比层还包含能够在所述前体暴露和显影之后提供可见图像的着色剂，并且其中所述图像记录层基本上不含所述着色剂。 在成像曝光和加工后形成的印版显示出改进的图像对比度和减少的染色。

    On the press development of a diazo based printing plate
    9.
    发明授权
    On the press development of a diazo based printing plate 失效
    关于重氮基印刷版的新闻发展

    公开(公告)号：US5922511A

    公开(公告)日：1999-07-13

    申请号：US729513

    申请日：1996-10-11

    Applicant: Joan Vermeersch ,  Dirk Kokkelenberg ,  Johan Van Hunsel ,  Guido Hauquier

    Inventor： Joan Vermeersch ,  Dirk Kokkelenberg ,  Johan Van Hunsel ,  Guido Hauquier

    IPC: B41C1/10 ,  G03F7/016 ,  G03F7/32

    CPC classification number: G03F7/016

    Abstract: According to the present invention there is provided a method for making a lithographic printing plate comprising the steps of:(1) image-wise exposing an imaging element having on a support in the order given (i) a uniform ink-repellant layer comprising a hydrophilic binder cross-linked by means of a hydrolysed tetra-alkylorthosilicate and (ii) a photosensitive layer comprising a diazonium salt or a diazo resin;(2) and developing a thus obtained image-wise exposed imaging element by mounting it on a print cylinder of a printing press and supplying an aqueous dampening liquid and/or ink to said photosensitive layer.The present invention also provides a method for making multiple copies of an original comprising the steps of:(1) image-wise exposing an imaging element having on a support in the order given (i) a uniform ink-repellant layer comprising a hydrophilic binder cross-linked by means of a hydrolysed tetra-alkylorthosilicate and (ii) a photosensitive layer comprising a diazonium salt or a diazo resin;(2) mounting a thus obtained image-wise exposed imaging element without development, on a print cylinder of a printing press;(3) rotating said print cylinder while supplying an aqueous dampening liquid and/or supplying ink to said photosensitive layer of said imaging element and(4) transfering ink from said imaging element to a receiving element.

    Abstract translation: 根据本发明，提供了一种制备平版印刷版的方法，包括以下步骤：（1）以给定的顺序成像曝光具有在支持体上的成像元件，其中（i）均匀的墨水排斥层包含 通过水解的四烷基原硅酸酯交联的亲水性粘合剂和（ii）包含重氮盐或重氮树脂的感光层; （2），并将如此获得的图像曝光的成像元件通过将其安装在印刷机的印刷滚筒上并将水性润版液体和/或墨水供应到所述感光层来显影。 本发明还提供了一种用于制作原件的多个副本的方法，包括以下步骤：（1）以给定的顺序将具有在支撑体上的成像元件成像曝光（i）包含亲水性粘合剂的均匀的墨水排斥层 通过水解的四烷基原硅酸酯和（ii）包含重氮盐或重氮树脂的感光层交联; （2）将未经显影的如此获得的图像曝光成像元件安装在印刷机的印刷滚筒上; （3）在供应水性阻尼液体和/或向所述成像元件的所述感光层供应墨水的同时旋转所述印刷滚筒，以及（4）将油墨从所述成像元件传送到接收元件。

    Diazo based imaging element having improved resistance against physical damage
    10.
    发明授权
    Diazo based imaging element having improved resistance against physical damage 失效
    重氮基成像元件具有改善的抵抗物理损伤的抵抗力

    公开(公告)号：US5663031A

    公开(公告)日：1997-09-02

    申请号：US593354

    申请日：1996-01-29

    Applicant: Guido Hauquier ,  Joan Vermeersch ,  Eric Verschueren ,  Dirk Kokkelenberg ,  Willem Cortens

    Inventor： Guido Hauquier ,  Joan Vermeersch ,  Eric Verschueren ,  Dirk Kokkelenberg ,  Willem Cortens

    IPC: G03F7/004 ,  B41N3/03 ,  G03F7/00 ,  G03F7/016 ,  G03F7/021 ,  G03F7/075 ,  G03F7/11

    CPC classification number: G03F7/11

    Abstract: The present invention provides an imaging element comprising on a support in the order given a coated composition of at least two hydrophilic layers being in water permeable contact with each other and each containing a hydrophilic (co)polymer or (co)polymer mixture and having been hardened with a hydrolyzed tetraalkyl orthosilicate and a light sensitive layer containing a diazo resin or a diazonium salt characterized in that the ratio by weight in the top layer of said package of said hydrophilic (co)polymer or (co)polymer mixture versus said hydrolyzed tetraalkyl orthosilicate (expressed as silicon dioxide) is at least 1.1 and the ratio by weight in an underlying layer of said package of said hydrophilic (co)polymer or (co)polymer mixture versus said hydrolyzed tetraalkyl orthosilicate (expressed as silicon dioxide) is not higher than 0.9.

    Abstract translation: 本发明提供了一种成像元件，其按照给定涂层组合物的顺序包含至少两个彼此具有水可渗透接触的亲水层，并且各自含有亲水（共）聚合物或（共）聚合物混合物，并且已经被 用水解的原硅酸四烷基酯和含有重氮树脂或重氮盐的光敏层硬化，其特征在于所述亲水（共）聚合物或（共）聚合物混合物包装的顶层中的重量比与所述水解的四烷基 所述原硅酸盐（表示为二氧化硅）至少为1.1，并且所述亲水（共）聚合物或（共）聚合物混合物的所述包装层的底层与所述水解的原硅酸四烷基酯（表示为二氧化硅）的重量比不高 比0.9。

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