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    PAPER SUBSTRATE CONTAINING A WETTING AGENT AND HAVING IMPROVED PRINT MOTTLE
    8.
    发明申请
    PAPER SUBSTRATE CONTAINING A WETTING AGENT AND HAVING IMPROVED PRINT MOTTLE 审中-公开
    包含湿润剂并具有改进的打印纸的纸基材

    公开(公告)号：US20130273270A1

    公开(公告)日：2013-10-17

    申请号：US13899884

    申请日：2013-05-22

    Applicant: International Paper Company

    Inventor： Yan C. Huang ,  Kapil M. Singh ,  David S. Shelmidine ,  Jeff R. Becker ,  Paul J. Fosco

    IPC: C09D103/02 ,  B41M5/52

    CPC classification number: C09D103/02 ,  B41M5/52 ,  D21H17/20 ,  D21H17/33 ,  D21H17/45 ,  D21H17/66 ,  D21H17/67 ,  D21H21/16

    Abstract: The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, enhanced print mottle, as well as print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substate by applying the sizing composition to at least one surface thereof. Further, the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition.

    Abstract translation: 本发明涉及一种施胶组合物，当施加到纸基材上时，产生优选适于喷墨印刷的基材，其具有增加的印刷密度，增强的印花斑点以及打印清晰度，低HST和/或图像干燥时间 ，基材优选具有高亮度和降低的颜色到颜色的渗色。 此外，本发明涉及通过将施胶组合物施用于其至少一个表面来降低纸张基材的HST的方法。 此外，本申请涉及制造和使用施胶组合物的方法，以及制备和使用含有施胶组合物的纸的方法。

    Low basis weight inkjet printable substrates with lower showthrough and improved waterfastness and print density
    9.
    发明授权
    Low basis weight inkjet printable substrates with lower showthrough and improved waterfastness and print density 有权

    公开(公告)号：US09878568B2

    公开(公告)日：2018-01-30

    申请号：US14870591

    申请日：2015-09-30

    Applicant: INTERNATIONAL PAPER COMPANY

    Inventor： Kapil M. Singh

    IPC: B41M5/00 ,  B41M5/50 ,  B41M5/52 ,  B05D1/00

    CPC classification number: B41M5/508 ,  B05D1/00 ,  B41M5/5218 ,  B41M5/5227 ,  B41M5/5236 ,  B41M5/5245 ,  D21H19/00 ,  G03G7/0066 ,  G03G7/008

    Abstract: An article in the form of a printable substrate having a showthrough value of about 0.14 or less, and an opacity value of at least about 88% which includes a paper substrate with a first and second surfaces formed of paper fibers having a basis weight of from about 12 to about 32 lbs/1300 ft2, and a substrate filler in an amount in the range of from 0 to about 30% by weight of the paper substrate; and a surface size layer on at least one of the first and second surfaces, the surface size layer having about 50 lbs or less per ton of the paper substrate of a starch surface sizing agent and a multivalent metal salt drying agent in an amount sufficient to impart to the at least one of the first and second surfaces a black print density value of at least about 0.8 when inkjet printed with pigmented inks and a waterfastness value of at least about 85% when inkjet printed with dye-based inks, the printable substrate having a MD tensile strength of at least about 12 lbs/in. and a CD tensile strength of at least about 6 lbs/in. Also, a method for preparing such a printable substrate.

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