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    • 3. 发明申请
    • Ink composition and ink-jet printing method using the same for improving ink-jet print quality
    • 油墨组合物和喷墨印刷方法使用该方法来提高喷墨打印质量
    • US20060028521A1
    • 2006-02-09
    • US11193203
    • 2005-08-01
    • Moshe Frenkel
    • Moshe Frenkel
    • C09D11/00G01D11/00B41J2/17
    • C09D11/30C09D11/54
    • An ink-jet recording method comprising the step of ejecting a water-based inkjet ink onto a substrate printed material coated with a fixation layer causing a rapid reaction between the ink composition and the fixation layer on top of the substrate. The fixation layer on top of the substrate contains an aqueous soluble salt and as soon as the ink droplet hits the fixation layer and will precipitate a non-soluble salt to produce an image having an excellent print quality with virtually no ink bleeding, strike through, feathering and optical density loss. The ink composition comprises one or more aqueous soluble salts together with a colorant, water soluble organic solvent, wetting agent and optionally anionic polymer resin.
    • 一种喷墨记录方法,包括以下步骤:将水性喷墨油墨喷射到涂覆有定影层的基材印刷材料上,从而在基材顶部引起油墨组合物和固定层之间的快速反应。 基底上的固定层含有水溶性盐,一旦墨滴撞击固定层,并且将沉淀出不溶性盐,以产生具有优异印刷质量的图像,实际上没有油墨渗出,穿透, 羽化和光密度损失。 油墨组合物包含一种或多种水溶性盐以及着色剂,水溶性有机溶剂,润湿剂和任选的阴离子聚合物树脂。
    • 6. 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。
    • 9. 发明授权
    • Ink additives
    • 油墨添加剂
    • US06652639B1
    • 2003-11-25
    • US09403245
    • 2000-03-13
    • Moshe FrenkelEitan Cohen
    • Moshe FrenkelEitan Cohen
    • C09D1102
    • C09D11/322
    • An additive for a pigment based ink—jet printing composition which is used in conjunction with a printing head that comprises metallic components, is disclosed. The additive comprises a cationic component and an anionic component, and characterized in that the cationic component is a cationic surfactant. Preferred additives are those where the cationic component is C10-22alkyl trimethyl ammonium. Pigment-based ink—jet printing compositions comprising these additive are also described.
    • 公开了一种用于与包括金属组分的打印头结合使用的颜料基喷墨印刷组合物的添加剂。 添加剂包含阳离子组分和阴离子组分,其特征在于阳离子组分是阳离子表面活性剂。 优选的添加剂是阳离子组分为C10-22烷基三甲基铵的添加剂。 还描述了包含这些添加剂的颜料基喷墨印刷组合物。
    • 10. 发明授权
    • Ink-jet print head
    • 喷墨打印头
    • US06409310B1
    • 2002-06-25
    • US09331061
    • 1999-06-16
    • Moshe FrenkelJoseph Kaplan
    • Moshe FrenkelJoseph Kaplan
    • B41J204
    • B41J2/14274
    • An ink-jet print head suitable for use with pigment based inks having protective layers interdisposed between pairs of juxtaposed dissimilar metal surfaces having a relatively large electrochemical potential difference therebetween so as to substantially reduce the potential difference, thereby reducing clogging of the ink-jet nozzles. The ink-jet head further comprising a composite body formed with an array of ink jet nozzles for respectively emitting a train of ink droplets, each of said ink jet nozzles being associated with a piezoelectric transducer and adapted for flow communication with a source of pigment based ink via an ink duct.
    • 一种喷墨打印头,其适用于颜料基油墨,该颜料基油墨具有介于其间具有较大电化学电位差的并置的异种金属表面对之间的保护层,从而显着降低电位差,从而减少喷墨喷嘴的堵塞 。 所述喷墨头还包括复合体,所述复合体形成有用于分别发射一系列墨滴的喷墨喷嘴阵列,每个所述喷墨喷嘴与压电换能器相关联并适于与基于颜料的源 油墨通过墨水管道。