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    • 8. 发明授权
    • Print media products for generating high quality, water-fast images and methods for making the same
    • 打印媒体产品,用于生成高质量,防水的图像和制作相同的方法
    • US06869647B2
    • 2005-03-22
    • US09944177
    • 2001-08-30
    • Loretta Ann Grezzo PageRichard J. McManus
    • Loretta Ann Grezzo PageRichard J. McManus
    • B41M5/00B41M5/52B41M5/40
    • B41M5/52B41M5/5218B41M5/5227B41M5/5236B41M5/5245B41M5/5254Y10T428/24802
    • Ink-receiving print media products having multiple capabilities including (A) minimal drying time; (B) improved smear-fastness; (C) a high level of water-fastness; (D) the ability to generate high-definition images; and (E) excellent ink compatibility. The media products have at least one ink-receiving layer on a substrate (e.g. paper pre-coated with one or more binders and/or pigments). The ink-receiving layer includes a pigment (boehmite, pseudo-boehmite, or mixtures thereof) optimally combined with a special binder blend [polyvinyl alcohol, a poly(vinyl acetate-ethylene) copolymer, and a poly(vinyl pyrrolidone-vinyl acetate) copolymer]. Also included is a special dye fixative (namely, a cationic emulsion polymer) which provides enhanced water-fastness. This fixative is of a particular type (a quaternary amine) that also allows high pigment levels to be employed (at least about 65% by weight) which further promotes the foregoing benefits.
    • 具有多种能力的接收墨水的打印介质产品包括(A)最短的干燥时间; (B)改善涂片坚牢度; (C)耐水性高; (D)产生高分辨率图像的能力; 和(E)优异的油墨相容性。 介质产品在基材上具有至少一个油墨接受层(例如预先涂覆有一种或多种粘合剂和/或颜料的纸张)。 油墨接收层包括与特殊的粘合剂共混物(聚乙烯醇,聚(乙酸乙烯酯 - 乙烯)共聚物和聚(乙烯基吡咯烷酮 - 乙酸乙烯酯))最佳组合的颜料(勃姆石,假勃姆石或其混合物) 共聚物]。 还包括提供增强的耐水性的特殊染料固定剂(即阳离子乳液聚合物)。 该固定剂是特殊类型(季胺),其还允许使用高颜料水平(至少约65重量%),这进一步促进了上述益处。