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    Polyester Composition with Improved Dyeing Properties
    5.
    发明申请
    Polyester Composition with Improved Dyeing Properties 有权

    公开(公告)号：US20210371582A1

    公开(公告)日：2021-12-02

    申请号：US17216752

    申请日：2021-03-30

    申请人： Parkdale Incorporated

    发明人： Robert A. Usher

    IPC分类号： C08G63/672 ,  D06P3/52 ,  D06P3/54 ,  D06P3/82 ,  D01F6/84 ,  D02G3/04

    摘要： A composition with advantages for textile fibers is disclosed. The composition is a melt of polyester precursors selected from the group consisting of terephthalic acid, dimethyl terephthalate, ethylene glycol, sebacic acid in an amount sufficient to give filaments and fibers made from the melt a dye receptivity similar to cotton at atmospheric pressure; pentaerythritol in an amount sufficient to give pill resistance to yarns blended of cotton with fibers made from the melt, and polyethylene glycol in an amount sufficient to give the melt the elasticity necessary to produce extruded filament from the melt. In an exemplary embodiment, the copolymer melt includes between about 4 and 6 percent sebacic acid, between about 500 and 800 ppm pentaerythritol, and between about 3.5 and 3.9 percent polyethylene glycol, with less than 2 percent DEG, at an intrinsic viscosity of between about 0.640 and 0.690 dl/g, and at a temperature of between about 268° C. and 271° C., with the proportional amounts being based on the amount of polymerized copolymer.

    Textile printing
    8.
    发明授权
    Textile printing 有权

    公开(公告)号：US11066782B2

    公开(公告)日：2021-07-20

    申请号：US16079960

    申请日：2016-07-21

    申请人： HP Indigo B.V.

    发明人： Dafna Or-Chen ,  Eyal Joseph ,  Inna Tzomik ,  Asaf Salant ,  Dani Tulchinski

    IPC分类号： D06P5/20 ,  D06P1/52 ,  G03G7/00 ,  G03G9/13 ,  D06P1/649 ,  D06P1/645 ,  D06P1/58 ,  D06P5/00 ,  D06P1/54 ,  D06P1/642 ,  G03G9/12 ,  G03G8/00 ,  D06P3/52

    摘要： Herein is described a method of printing on a textile substrate. The method may comprise: a. applying a primer comprising a cross-linkable primer resin onto a surface of the textile substrate to form a primer layer; b. electrophotographically printing onto the primer layer an electrostatic ink composition comprising a cross-linkable thermoplastic resin to form a printed layer; c. applying a cross-linking composition comprising a cross-linking agent to the printed layer, wherein i. the cross-linking agent penetrates into at least the electrostatic ink composition and the primer layer; and/or ii. the cross-linking agent is a non-isocyanate agent; and d. activating the cross-linking agent. Printed textiles are also described.