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    Method for making positive working printing plates from a heat mode sensitive image element
    11.
    发明授权
    Method for making positive working printing plates from a heat mode sensitive image element 有权
    从加热模式敏感图像元件制作正性印刷版的方法

    公开(公告)号：US6083663A

    公开(公告)日：2000-07-04

    申请号：US161469

    申请日：1998-09-28

    Applicant: Joan Vermeersch ,  Marc Van Damme ,  Guido Hauquier ,  Eric Verschueren

    Inventor： Joan Vermeersch ,  Marc Van Damme ,  Guido Hauquier ,  Eric Verschueren

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

    CPC classification number: B41C1/1016 ,  B41C2210/02 ,  B41C2210/06 ,  B41C2210/14 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262

    Abstract: According to the present invention there is provided a method for making lithographic printing plates including the following steps:a) preparing a heat mode imaging element having on a lithographic base with a hydrophilic surface a first layer including a polymer, soluble in an aqueous alkaline solution, a compound capable of converting light to heat and a top layer on the same side of the lithographic base as the first layer which top layer is unpenetrable for an alkaline developer containing SiO.sub.2 as silicate;b) exposing imagewise the heat mode imaging element to actinic light;c) developing the imagewise exposed heat mode imaging element with the alkaline developer so that the exposed areas of the top layer and the underlying areas of the first layer are dissolved and the unexposed areas of the first layer remain undissolved characterized in that said top layer includes an organic quaternary ammonium salt.

    Abstract translation: 根据本发明，提供一种制备平版印刷版的方法，包括以下步骤：a）制备具有亲水表面的平版印刷基底上的热模式成像元件，该第一层包括可溶于碱性水溶液的聚合物 能够将光转换成热的化合物和在与第一层相同的一侧上的顶层，该顶层对于含有SiO 2作为硅酸盐的碱性显影剂是不可穿透的; b）将热模式成像元件成像曝光成光化光; c）用碱性显影剂显影图像曝光的热模式成像元件，使得顶层的暴露区域和第一层的下面的区域被溶解，并且第一层的未曝光区域保持不溶解，其特征在于所述顶层包括 有机季铵盐。

    On the press development of a diazo based printing plate
    13.
    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：US5776653A

    公开(公告)日：1998-07-07

    申请号：US760341

    申请日：1996-12-04

    Applicant: Joan Vermeersch ,  Eric Verschueren ,  Dirk Kokkelenberg

    Inventor： Joan Vermeersch ,  Eric Verschueren ,  Dirk Kokkelenberg

    IPC: B41C1/10 ,  B41N3/08 ,  G03F7/30 ,  G03F7/021 ,  G03F7/11

    CPC classification number: G03F7/305

    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 of a flexible film support in the order given (i) a uniform ink-repellant layer comprising a cross-linked hydrophilic binder 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 wiping it with a disposable absorbing tissue moistened with water or fountain solution.

    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）以具有柔性膜支持体的成像元件成像曝光，其顺序为（i）均匀的疏墨层 包括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成像元件通过将其安装在印刷机的印刷滚筒上并用浸有水或润版液的一次性吸收性组织擦拭而形成。

    Method of making a lithographic printing plate precursor
    16.
    发明申请
    Method of making a lithographic printing plate precursor 审中-公开
    制备平版印刷版前体的方法

    公开(公告)号：US20060234161A1

    公开(公告)日：2006-10-19

    申请号：US10530129

    申请日：2003-09-12

    Applicant: Eric Verschueren

    Inventor： Eric Verschueren

    IPC: G03F7/00

    CPC classification number: B41N3/00 ,  B41C1/1008 ,  B41C1/1016 ,  B41C2201/02 ,  B41C2201/12 ,  B41C2201/14 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41M2205/12 ,  B41N3/036

    Abstract: A method of making a heat-sensitive lithographic printing plate precursor is disclosed which comprises the steps of (i) providing a web of a lithographic support having a hydrophilic surface; (ii) applying on the hydrophilic surface of the web a coating comprising a phenolic resin; (iii) drying the coating; (iv) a heating step wherein the web temperature is maintained above the glass transition temperature of the phenolic resin Tg during a period of between 0.1 and 60 seconds; (v) a cooling step wherein the web temperature is reduced at an average cooling rate which is higher than if the web would be kept under ambient conditions but not higher than 30° C./s; and (vi) winding the precursor on a core or cutting the precursor into sheets. The heating step and the cooling step provide a significant improvement of the aging behavior of the precursor. A stable sensitivity is obtained shortly after coating.

    Abstract translation: 公开了一种制备热敏平版印刷版原版的方法，其包括以下步骤：（i）提供具有亲水表面的平版印刷载体的网; （ii）在纤维网的亲水表面上施加包含酚醛树脂的涂层; （iii）干燥涂层; （iv）加热步骤，其中在0.1至60秒的时间段内，所述卷材温度保持在酚醛树脂Tg的玻璃化转变温度以上; （v）冷却步骤，其中所述幅材温度以比所述幅材保持在环境条件但不高于30℃/秒以下的平均冷却速率降低; 和（vi）将前体卷绕在芯上或将前体切割成片。 加热步骤和冷却步骤显着提高了前体的老化行为。 涂层后即可获得稳定的敏感性。

    Method for postbaking a lithographic printing plate
    17.
    发明申请
    Method for postbaking a lithographic printing plate 审中-公开
    印刷平版印刷版的方法

    公开(公告)号：US20050037287A1

    公开(公告)日：2005-02-17

    申请号：US10914336

    申请日：2004-08-09

    Applicant: Eric Verschueren ,  Marc Van Damme

    Inventor： Eric Verschueren ,  Marc Van Damme

    IPC: G03F7/26

    CPC classification number: B41C1/1008 ,  B41C2210/02 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  B41C2210/262 ,  B41N3/08 ,  G03F7/40

    Abstract: A method for making a lithographic printing plate is disclosed wherein the method comprises the steps of: (i) providing a lithographic printing plate precursor comprising a photosensitive coating on a substrate having a hydrophilic surface, (ii) image-wise exposing said photosensitive coating, (iii) developing said exposed coating to form an image on said substrate and optionally gumming the plate and (iv) baking the image on the plate, wherein said baking step is carried out within a dwell-time of less than 1 minute and wherein the chemical resistance of the coating against printing liquids and press chemicals is improved. This baking step is preferably carried out by exposing the printing plate to an infrared radiation source, preferably in a dynamic configuration.

    Abstract translation: 公开了一种制备平版印刷版的方法，其中所述方法包括以下步骤：（i）提供平版印刷版前体，其包含在具有亲水表面的基底上的感光涂层，（ii）成像曝光所述光敏涂层， （iii）显影所述暴露的涂层以在所述基底上形成图像，并且任选地涂覆所述板，和（iv）在所述板上烘烤图像，其中所述烘烤步骤在小于1分钟的停留时间内进行，并且其中 提高了涂料对印刷液和印刷化学品的耐化学性。 该烘烤步骤优选通过将印刷版暴露于红外辐射源，优选以动态构型进行。

    Method of lithographic printing with a reusable substrate
    18.
    发明授权
    Method of lithographic printing with a reusable substrate 失效
    使用可重复使用的基板进行平版印刷的方法

    公开(公告)号：US06802258B2

    公开(公告)日：2004-10-12

    申请号：US10016960

    申请日：2001-12-07

    Applicant: Eric Verschueren ,  Joan Vermeersch

    Inventor： Eric Verschueren ,  Joan Vermeersch

    IPC: B41C110

    CPC classification number: B41C1/1075

    Abstract: A method for removing ink-accepting areas of a lithographic printing master is disclosed which enables to recycle the lithographic substrate of the printing master. The method comprises after a cleaning step a treatment of the recycled substrate with an aqueous solution having a pH

    Abstract translation: 公开了一种用于去除平版印刷母版的接受油墨区域的方法，其能够对印刷母版的平版印刷基板进行再循环。 该方法包括在清洁步骤之后，用pH <7的水溶液处理回收的底物。

    Method of lithographic printing with a reusable substrate
    19.
    发明授权
    Method of lithographic printing with a reusable substrate 失效
    使用可重复使用的基板进行平版印刷的方法

    公开(公告)号：US06487970B2

    公开(公告)日：2002-12-03

    申请号：US09736821

    申请日：2000-12-14

    Applicant: Eric Verschueren ,  Joan Vermeersch

    Inventor： Eric Verschueren ,  Joan Vermeersch

    IPC: B41C110

    CPC classification number: B41N3/006 ,  B41C1/1025 ,  B41C1/1041 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  B41N3/00 ,  C11D3/2003 ,  C11D3/2068 ,  C11D7/3218 ,  C11D7/3263 ,  C11D7/3281 ,  C11D7/5013 ,  C11D11/0041

    Abstract: A direct-to-plate method of lithographic printing is disclosed which enables to recycle the lithographic substrate of the printing master. The method comprises the steps of (a) making a negative-working imaging material by coating on a hydrophilic substrate a coating solution comprising hydrophobic thermoplastic polymer particles and a hydrophilic binder; (b) making a printing master having ink-accepting areas by image-wise exposing the imaging material; (c) applying ink and fountain solution to the printing master; (d) removing the ink-accepting areas from the printing master by supplying an amide and preferably also an alkanolamine. The above steps are preferably carried out on-press.

    Abstract translation: 公开了一种平版印刷的直接平板印刷方法，其能够回收印刷母版的平版印刷基板。 该方法包括以下步骤：（a）通过在亲水基底上涂覆包含疏水性热塑性聚合物颗粒和亲水性粘结剂的涂布溶液来制备负性成像材料;（b）通过图像形成方法制备具有接受油墨区域的印刷母版， 明亮地曝光成像材料;（c）将墨水和润版液施加到印刷母版上;（d）通过提供酰胺，优选还有链烷醇胺，从印刷母版中除去油墨接收区域。上述步骤优选在 -按。

    Method of offset printing with a reusable substrate
    20.
    发明授权
    Method of offset printing with a reusable substrate 失效
    使用可重复使用的基材进行胶版印刷的方法

    公开(公告)号：US06484638B2

    公开(公告)日：2002-11-26

    申请号：US09736814

    申请日：2000-12-14

    Applicant: Eric Verschueren ,  Peter Geerts

    Inventor： Eric Verschueren ,  Peter Geerts

    IPC: B41C110

    CPC classification number: G03F7/423 ,  B41C1/1025 ,  B41C2210/04 ,  B41C2210/08 ,  B41C2210/22 ,  B41C2210/24 ,  B41M5/366 ,  B41N3/00 ,  B41N3/006 ,  B41N3/06 ,  C11D3/18 ,  C11D3/2003 ,  C11D3/2068 ,  C11D7/24 ,  C11D7/263 ,  C11D7/5022 ,  C11D11/0041 ,  C11D17/0021 ,  G03F7/422

    Abstract: A direct-to-plate method of lithographic printing is disclosed which enables to recycle the lithographic substrate of the printing master. The method comprises the steps of (a) making a negative-working imaging material by coating on a hydrophilic substrate a coating solution comprising hydrophobic thermoplastic polymer particles and a hydrophilic binder; (b) making a printing master having ink-accepting areas by image-wise exposing the imaging material; (c) applying ink and fountain solution to the printing master; (d) removing the ink-accepting areas from the printing master by supplying a aliphatic or aromatic compound having a structure comprising at least 6 carbon atoms. The above steps are preferably carried out on-press.

    Abstract translation: 公开了一种平版印刷的直接平板印刷方法，其能够回收印刷母版的平版印刷基板。 该方法包括以下步骤：（a）通过在亲水基底上涂覆包含疏水性热塑性聚合物颗粒和亲水性粘结剂的涂布溶液来制备负性成像材料;（b）通过图像形成方法制备具有接受油墨区域的印刷母版， （c）将油墨和润版液施加到印刷母版上;（d）通过提供具有至少6个碳原子的结构的脂族或芳族化合物从印刷母版中除去油墨接收区域。 上述步骤优选在印刷机上进行。

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