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    • 1. 发明授权
    • Hot melt flexographic inks and method of preparing same
    • 热熔柔性油墨及其制备方法
    • US06841590B2
    • 2005-01-11
    • US10034004
    • 2001-12-28
    • Jitendra ModiEdward StoneAna Marie FloresRobert CatenaRobert Auerbach
    • Jitendra ModiEdward StoneAna Marie FloresRobert CatenaRobert Auerbach
    • C09D11/00C09D11/10C08L31/04C08L33/02C08L91/06
    • C09D11/34
    • Solid, solvent-free inks are provided for use in hot melt flexographic printing. The ink is composed of a pigment; a thermoplastic binder which is an ethylene copolymer, a hydrocarbon resin, or a combination thereof; a wax which is a highly branched hydrocarbon wax, a polyethylene homopolymer wax, an oxidized polyethylene wax, an animal wax, a vegetable wax or combinations thereof; a solid linear alcohol; and, a dispersing agent. The ink may also contain a solid plasticizer. The solid ink has a melting point of about 75° C. or greater, and when heated to a temperature between about 90° C. and about 135° C., a molten ink is formed which has a viscosity between about 100 cps and about 1200 cps. The solid inks are used in melt flexographic printing by heating the ink to a temperature greater than about 90° C. to form a molten ink which has a viscosity between about 100 cps and about 1200 cps; applying the molten ink to the surface of a heated anilox roller in operational contact with a heated flexographic printing plate; and printing the applied molten ink from the printing plate onto a substrate such as conventional print stock, polymeric films, metal sheets, etc.
    • 提供固体,无溶剂的油墨用于热熔胶版印刷。 油墨由颜料组成; 乙烯共聚物,烃树脂或其组合的热塑性粘合剂; 蜡,高支化烃蜡,聚乙烯均聚物蜡,氧化聚乙烯蜡,动物蜡,植物蜡或其组合; 固体线性醇; 和分散剂。 油墨也可以含有固体增塑剂。 固体油墨具有约75℃或更高的熔点,并且当加热到约90℃至约135℃的温度时,形成熔融油墨,其粘度在约100cps和约 1200 cps。 固体油墨通过将油墨加热至大于约90℃的温度而用于熔融柔性版印刷,以形成粘度在约100cps至约1200cps之间的熔融油墨; 将熔融油墨施加到加热的网纹辊的表面上,与加热的柔版印刷版操作接触; 并将所施加的熔融油墨从印刷版印刷到诸如常规印刷原料,聚合物膜,金属片等的基材上。
    • 10. 发明授权
    • Surfactant-pretreated printing plate substrate, lithographic printing plate and method for production thereof
    • 表面活性剂预处理印版基板,平版印刷版及其制造方法
    • US06276273B1
    • 2001-08-21
    • US09330072
    • 1999-06-11
    • Patrice M. AurentyRoshanak DebeaudEdward StoneGordon Kotora
    • Patrice M. AurentyRoshanak DebeaudEdward StoneGordon Kotora
    • B41N303
    • B41C1/1066B41N3/03
    • A printing plate precursor for direct receipt of an image-wise applied ink receptive layer the precursor having a desorbable surfactant adsorbed on at least one surface in an amount effective to improve the resolution of the subsequently image-wise applied ink receptive layer. The printing plate precursor can be used to prepare a printing plate having improved resolution. The printing plate may be prepared by (a) applying a desorbable surfactant to at least one surface of a printing plate substrate, (b) removing non-adsorbed surfactant from the surface, (c) applying a fluid composition containing an ink receptive material onto at least a portion of the surface in the form of a desired image, thereby providing an ink receptive image layer; and (d) removing the desorbable surfactant from any area of the surface which does not form part of the desired image.
    • 一种印版前体,用于直接接收具有吸收在至少一个表面上的可吸收表面活性剂的具有可吸收表面活性剂的前体的成像应用油墨接受层,该有效量可以有效改善随后的成像方式施加的油墨接受层的分辨率。 印版前体可用于制备具有改进分辨率的印版。 印刷版可以通过以下方法制备:(a)将可除去的表面活性剂施加到印刷基底的至少一个表面上,(b)从表面除去未吸附的表面活性剂,(c)将含有可接受感光材料的流体组合物涂布到 所述表面的至少一部分呈所需图像的形式,由此提供墨接受图像层; 和(d)从不形成所需图像的一部分的表面的任何区域除去可吸收的表面活性剂。