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    • 81. 发明授权
    • Flexographic printing plate precursor comprising an ink-jet receiving layer
    • 柔版印刷版原版包括喷墨接收层
    • US06358668B1
    • 2002-03-19
    • US09615589
    • 2000-07-13
    • Luc LeendersEddie DaemsRonn AndriessenLeo Oelbrandt
    • Luc LeendersEddie DaemsRonn AndriessenLeo Oelbrandt
    • G03F709
    • G03F7/2018
    • A material is disclosed which is suitable for making a flexographic printing plate and comprises in the order given a base, a photopolymer layer, a barrier layer wherein the main component is a polymer different from gelatin, and an ink receiving layer wherein the main component is gelatin. An image having a high optical density can be printed on the ink receiving layer by image-wise jetting a water-based ink because the gelatin in the ink receiving layer has excellent ink receptivity and because the barrier layer reduces diffusion of monomers from the photopolymer layer to the ink receiving layer. The image present in or on the ink receiving layer can then be used as a photomask for the subsequent flood exposure of the photopolymer layer. After processing, a flexographic printing plate is obtained.
    • 公开了适用于制造柔性版印刷版的材料,其顺序包括基底,光聚合物层,阻隔层,其中主要成分是不同于明胶的聚合物,以及油墨接收层,其中主要成分是 明胶。 由于油墨接收层中的明胶具有优异的油墨接受性,并且由于阻挡层减少单体从光聚合物层的扩散,因此通过成像喷射水性油墨可以将高光密度的图像印刷在油墨接收层上 到油墨接收层。 存在于油墨接收层中或其上的图像然后可以用作光掩模,用于随后的光聚合物层的暴露。 加工后,得到柔性版印刷版。
    • 82. 发明授权
    • Dry method for preparing a thermal lithographic printing plate precursor
    • 用于制备热平版印刷版前体的干法
    • US06244181B1
    • 2001-06-12
    • US09345778
    • 1999-07-01
    • Luc LeendersAugust Meisters
    • Luc LeendersAugust Meisters
    • B41C110
    • B41C1/1066
    • A method is provided for preparing a negative working lithographic printing plate precursor by applying a dry powder, containing a light absorbing compound in an amount not less than 50% by weight, on a metal support such as an anodized aluminum plate. The light absorbing compound is preferably carbon, soot or an infrared dye. In one embodiment of the invention, the dry powder may be rubbed in on the surface of the metal support. In another embodiment a layer of soot is applied on the metal support by contacting the surface of the support with a flame. In still another embodiment, a metal support is contacted with a transfer material consisting of a support and a dry layer of a light absorbing compound such as carbon. By applying heat or light, the dry powder is converted into a hydrophobic substance at the printing areas of the plate. The materials obtained by these methods are very suitable for computer-to-plate and computer-to-press applications as they can be processed by applying plain water, ink or fountain solution. Since the dry powder is preferably free from other reactive compounds besides the light absorbing compound, the materials are characterized by an excellent stability.
    • 提供了一种通过将含有不少于50重量%的光吸收化合物的干燥粉末施加到诸如阳极氧化铝板的金属载体上来制备负性平版印刷版原版的方法。 光吸收性化合物优选为碳,烟灰或红外染料。 在本发明的一个实施方案中,干粉可以在金属载体的表面上摩擦。 在另一个实施例中,通过使支撑体的表面与火焰接触,将一层烟灰施加在金属支撑件上。 在另一个实施方案中,金属载体与由支持物和诸如碳的光吸收化合物的干层组成的转移材料接触。 通过加热或加热,干粉在印版区域转化为疏水性物质。 通过这些方法获得的材料非常适合于计算机对板和计算机到压机的应用,因为它们可以通过应用普通水,墨水或者润版液来处理。 由于除了光吸收性化合物之外,干粉末优选不含其它的反应性化合物,所以材料的特征在于优异的稳定性。
    • 88. 发明授权
    • Heat-sensitive recording material having image-stabilization properties
    • 具有图像稳定性的热敏记录材料
    • US5637550A
    • 1997-06-10
    • US597429
    • 1996-02-08
    • Luc LeendersLeo Oelbrandt
    • Luc LeendersLeo Oelbrandt
    • B41M5/337B41M5/323G03C1/498B41M5/32
    • G03C1/4989Y10S430/146
    • A heat-sensitive recording material suited for use in direct thermal imaging and having image-stabilization properties which material contains in a binder on a support (i) a substantially light-insensitive organic silver salt capable of thermally activated reduction to silver in thermal working relationship with (ii) at least one reducing agent capable of reducing the substantially light-insensitive organic silver salt when thermally activated, characterized in that the recording material contains in conjunction, preferably in admixture, with the reducing agent(s) at least one colourless photo-oxidizing substance that on exposure to ultraviolet (UV) radiation, such as present in daylight or artificial lighting, yields free radicals capable of inactivating said reducing agent(s) by oxidation, thereby rendering said reducing agent(s) incapable of reducing said organic silver salt to silver.
    • 适用于直接热成像的具有图像稳定性的热敏记录材料,该材料在载体上的粘合剂中含有(i)能够热活化还原为银的热不稳定性有机银盐 与(ii)至少一种能够在热活化时还原基本上不受光敏感的有机银盐的还原剂,其特征在于,所述记录材料优选与所述还原剂一起包含至少一种无色照片 在暴露于紫外线(UV)辐射的情况下,例如在日光或人造照明中存在的氧化物质产生能够通过氧化使所述还原剂失活的自由基,从而使所述还原剂不能还原所述有机物 银盐银。
    • 89. 发明授权
    • Ink jet recording method operating with a chemically reactive ink
    • 用化学反应性油墨操作的喷墨记录方法
    • US5621449A
    • 1997-04-15
    • US141020
    • 1993-10-26
    • Luc LeendersCarlo UyttendaeleHerman Uytterhoeven
    • Luc LeendersCarlo UyttendaeleHerman Uytterhoeven
    • B41J2/01B41M1/36B41M3/00B41M5/00B41M5/52B41M7/00G01D15/16
    • B41M5/52B41M5/0011B41M5/0017B41M7/0018B41M7/0045B41M5/5218
    • An ink jet recording method comprising the steps of:(1) image-wise projecting liquid, called ink, in the form of droplets onto a receiving material containing a substance that by chemically reacting with another substance contained in said droplets is capable of forming a visually detectable product, characterized in that according to a first mode said receiving material contains at least one substantially light-insensitive organic silver salt and said ink contains a reducing agent for said silver salt, and according to a second mode said receiving material contains said reducing agent and the ink contains said silver salt, and optionally(2) heating said receiving material during and/or after the deposition of said ink on said receiving material to start or enhance reduction of said silver salt(s) forming thereby image-wise a deposit of silver metal in said receiving material.
    • 一种喷墨记录方法,包括以下步骤:(1)以液滴的形式将成像液体称为墨水,将液体的液体投影到包含物质的接收材料上,所述物质通过与所述液滴中所含的另一种物质发生化学反应而能够形成 其特征在于,根据第一模式,所述接收材料包含至少一种基本上不受光的有机银盐,并且所述油墨含有用于所述银盐的还原剂,并且根据第二模式,所述接收材料包含所述还原剂 试剂和油墨含有所述银盐,并且任选地(2)在所述油墨沉积在所述接收材料上和/或之后加热所述接收材料以开始或增强所述银盐的还原,从而形成图像 银金属沉积在所述接收材料中。