Lithographic printing with printing members having primer layers
    1.
    发明授权
    Lithographic printing with printing members having primer layers 失效
    具有底漆层的印刷部件的平版印刷

    公开(公告)号:US07205091B2

    公开(公告)日:2007-04-17

    申请号:US11119421

    申请日:2005-04-29

    Abstract: A primer layer that includes a surface-tension modifier dispersed within a polymer binder is disposed between the imaging layer and the substrate of a lithographic printing member to inhibit the production of thermal degradation products that disrupt the oleophilicity of the exposed imaged areas, thereby improving print-making performance and efficiency. In addition, embodiments of the primer layer inhibit static charge buildup during production and during the print-making process.

    Abstract translation: 包括分散在聚合物粘合剂内的表面张力调节剂的底漆层设置在成像层和平版印刷构件的基底之间,以抑制破坏曝光的成像区域的亲油性的热降解产物的产生,从而改善印刷 制造性能和效率。 此外,底漆层的实施方案抑制了生产过程中和印刷制作过程中的静电荷积累。

    Method and apparatus for laser imaging of lithographic printing members
by thermal non-ablative transfer
    2.
    发明授权
    Method and apparatus for laser imaging of lithographic printing members by thermal non-ablative transfer 失效
    通过热非烧蚀转印对平版印刷部件进行激光成像的方法和装置

    公开(公告)号:US5819661A

    公开(公告)日:1998-10-13

    申请号:US376766

    申请日:1995-01-23

    CPC classification number: B41C1/1091

    Abstract: Apparatus and methods for rapid, efficient production of durable lithographic printing plates by a thermal-transfer process that does not involve ablation. In response to an imaging pulse, a transfer material reduces in viscosity to a flowable state. The material exhibits a higher melt adhesion for a plate substrate than for the carrier sheet to which it is initially bound, so that in a flowable state it transfers completely to the substrate. Following transfer, the carrier sheet, along with untransferred material, is removed from the substrate.

    Abstract translation: 用于通过不涉及消融的热转移方法快速,有效地生产耐久平版印刷版的装置和方法。 响应于成像脉冲,转印材料将粘度降低到可流动状态。 该材料对于板基材的熔融粘合性比其初始结合的载体片材具有更高的熔融粘合性,使得在可流动状态下,其完全转移至基材。 在转印之后,载体片材以及未转印的材料从衬底上除去。

    Laser-imageable printing members and methods for wet lithographic
printing
    3.
    发明授权
    Laser-imageable printing members and methods for wet lithographic printing 失效
    激光成像印刷部件和湿法平版印刷的方法

    公开(公告)号:US5493971A

    公开(公告)日:1996-02-27

    申请号:US227002

    申请日:1994-04-13

    CPC classification number: B41C1/1033

    Abstract: Lithographic printing constructions and methods of imaging them. The constructions include a grained-metal substrate, a protective layer that can also serve as an adhesion-promoting primer, and an ablatable oleophilic surface layer. In operation, imagewise pulses from an imaging laser interact with the surface layer, causing ablation thereof and, probably, inflicting some damage to the underlying protective layer as well. The imaged plate may then be subjected to a solvent that eliminates the exposed protective layer, but which does no damage either to the surface layer or to the unexposed protective layer lying thereunder.

    Abstract translation: 平版印刷结构及其成像方法。 这些结构包括晶粒金属基材,还可以用作粘合促进底漆的保护层和可消融的亲油表面层。 在操作中,来自成像激光器的成像脉冲与表面层相互作用,导致其消融,并且也可能对下面的保护层造成一些损害。 然后可以对成像的板进行消除暴露的保护层的溶剂,但是对于表面层或其下的未曝光保护层不会造成损伤。

    Lithographic imaging with reduced power requirements
    7.
    发明授权
    Lithographic imaging with reduced power requirements 有权
    降低功率要求的平版影像

    公开(公告)号:US06168903A

    公开(公告)日:2001-01-02

    申请号:US09245103

    申请日:1999-01-21

    CPC classification number: B41C1/1033 B41N1/00 B41N1/14

    Abstract: Imaging of lithographic printing plates with reduced fluence requirements is accomplished using printing members that have a solid substrate, gas-producing and radiation-absorptive layers over the substrate, and a topmost layer that contrasts with the substrate in terms of lithographic affinity. Exposure of the radiation-absorptive layer to laser light causes this layer to become intensely hot. This, in turn, activates the gas-producing layer, causing rapid evolution and expansion of gaseous decomposition products. The gases stretch the overlying topmost layer to create a bubble over the exposure region, where the imaging layers have been destroyed. If this process is sufficiently explosive, the neck of the bubble expands beyond the diameter of the incident laser beam, tearing the topmost layer and the underlying imaging layers away from the substrate outside the exposed region. The entire affected area is easily removed during a post-imaging cleaning process, resulting in an image spot larger than the incident beam diameter.

    Abstract translation: 使用具有降低的能量密度要求的平版印刷版的成像使用在基底上具有固体基底,气体产生和辐射吸收层的印刷部件以及与光刻亲和力相对应的最底层。 将辐射吸收层暴露于激光使该层变得强烈热。 这反过来激活气体产生层,引起气态分解产物的快速演变和膨胀。 气体拉伸上覆的最上层,在曝光区域上形成一个气泡,在那里成像层被破坏。 如果这个过程是足够的爆炸性的,则气泡的颈部膨胀超过入射激光束的直径,撕裂最外层和下面的成像层远离暴露区域外的基底。 整个受影响区域在成像后清洁过程中容易被去除,导致比入射光束直径大的图像斑点。

    Method and apparatus for laser imaging of lithographic printing members
by thermal non-ablative transfer
    8.
    发明授权
    Method and apparatus for laser imaging of lithographic printing members by thermal non-ablative transfer 失效
    通过热非烧蚀转印对平版印刷部件进行激光成像的方法和装置

    公开(公告)号:US5697300A

    公开(公告)日:1997-12-16

    申请号:US376766

    申请日:1995-01-23

    CPC classification number: B41C1/1091

    Abstract: Apparatus and methods for rapid, efficient production of durable lithographic printing plates by a thermal-transfer process that does not involve ablation. In response to an imaging pulse, a transfer material reduces in viscosity to a flowable state. The material exhibits a higher melt adhesion for a plate substrate than for the carrier sheet to which it is initially bound, so that in a flowable state it transfers completely to the substrate. Following transfer, the carrier sheet, along with untransferred material, is removed from the substrate.

    Abstract translation: 用于通过不涉及消融的热转移方法快速,有效地生产耐久平版印刷版的装置和方法。 响应于成像脉冲,转印材料将粘度降低到可流动状态。 该材料对于板基材的熔融粘合性比其最初结合的载体片材具有更高的熔融粘合性,使得在可流动状态下,其完全转移至基材。 在转印之后,载体片材以及未转印的材料从衬底上除去。

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