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    • 5. 发明授权
    • Surface treatment for printing applications using water-based ink
    • 使用水性油墨进行印刷应用的表面处理
    • US06833008B2
    • 2004-12-21
    • US10045150
    • 2002-01-15
    • Boaz NitzanGuy PeledNaama SchurMoshe Frenkel
    • Boaz NitzanGuy PeledNaama SchurMoshe Frenkel
    • D06P515
    • C09D11/54B41M5/0011B41M5/0017B41M5/0064C09D11/30
    • The surface treatment for printing applications using water-based ink of the present invention comprises a surface pretreatment of the recording media prior to the deposition of the ink on the surface, wherein the pretreatment liquid is an aqueous and/or alcoholic solution or emulsion containing a polyvalent metal salt, and at least one of an organic swelling reagent and a coalescence reagent. The pretreatment liquid is applied with a rubbing motion in a thin layer of approximately 4 &mgr;m to the entire upper surface of the recording media. The swelling reagent and/or the coalescence reagent cause the upper 3-5 &mgr;m to swell and the polyvalent metal cations become embedded in the surface. After partial drying of the pretreated media, ink composition is deposited onto the surface to form an image. The ink solids precipitate in response to the embedded cations deposited in the pretreatment, and form interactions above and below the surface of the media to give a mechanically stable ink dot. After drying at temperatures high enough to evaporate the swelling reagent and/or the coalescence reagent, the ink dot remains embedded in the surface of the media.
    • 本发明的使用水性油墨的印刷用途的表面处理包括在将油墨沉积在表面上之前的记录介质的表面预处理,其中预处理液体是含有和/或醇溶液或乳液的水溶液或/ 多价金属盐,以及有机溶胀剂和聚结剂中的至少一种。 将预处理液体以约4μm的薄层的摩擦运动施加到记录介质的整个上表面。 溶胀试剂和/或聚结试剂导致上3-5μm的溶胀,多价金属阳离子嵌入表面。 在预处理的介质的部分干燥之后,将油墨组合物沉积在表面上以形成图像。 响应于在预处理中沉积的嵌入的阳离子,油墨固体沉淀,并且在介质表面上方和下方形成相互作用以产生机械稳定的油墨点的相互作用。 在高至足以蒸发溶胀试剂和/或聚结试剂的温度下干燥后,墨点保持嵌入介质表面。
    • 8. 发明授权
    • Pre-treatment liquid for use in preparation of an offset printing plate using direct inkjet CTP
    • 使用直接喷墨CTP制备胶印版的预处理液
    • US06906019B2
    • 2005-06-14
    • US09822500
    • 2001-04-02
    • Boaz NitzanMoshe Frenkel
    • Boaz NitzanMoshe Frenkel
    • B41C1/10B41N3/03C09D11/00
    • B41C1/1066B41N3/03
    • A method of making a printing plate in which the uncoated surface of a substrate is treated with a pre-treatment solution prior to the deposition of ink on the surface. The pre-treatment liquid comprises a polyvalent metal salt, and at least one of an organic swelling reagent and/or a coalescence reagent. The pre-treatment liquid is applied to form a thin, homogenous layer of approximately 4 μm to the entire upper surface of the recording plate. The swelling reagent and/or the coalescence reagent and the polyvalent metal cations are physically well localized in the porous structure of the plate's surface. After partial drying of the pretreated anodized aluminum plate, CTP liquid is deposited onto the surface to form an image. The CTP liquid solids react with the pre-treatment liquid and are, therefore, chemically bound to the surface. This allows all data to be deposited in a single pass of the inkjet head without the problem of clustering.
    • 一种制造印版的方法,其中在将油墨沉积在表面上之前用预处理溶液处理基材的未涂覆表面。 预处理液体包含多价金属盐和至少一种有机溶胀试剂和/或聚结剂。 施加预处理液体以在记录板的整个上表面上形成约4μm的薄均匀层。 溶胀试剂和/或聚结试剂和多价金属阳离子物理上良好地定位在板表面的多孔结构中。 在预处理的阳极氧化铝板的部分干燥之后,将CTP液体沉积到表面上以形成图像。 CTP液体固体与预处理液体反应,因此与表面化学结合。 这允许所有数据以喷墨头的单次通过进行沉积,而不会出现聚类问题。