METHODS AND COMPOSITIONS FOR MODIFYING POLYPROPYLENE-BASED FIBRES
    1.
    发明申请
    METHODS AND COMPOSITIONS FOR MODIFYING POLYPROPYLENE-BASED FIBRES 审中-公开
    用于改性聚丙烯基纤维的方法和组合物

    公开(公告)号:US20150252526A1

    公开(公告)日:2015-09-10

    申请号:US14425596

    申请日:2013-08-05

    IPC分类号: D06P3/79 C08L23/12

    摘要: The invention provides a process for preparing dyed, polypropylene-based fibres. Polypropylene having a Melt Flow Index of 45 or less is combined with an additive blend to provide the polypropylene-based polymer composition for forming into fibres. The additive blend is a terpolymer of ethylene, acrylic or methacrylic ester and maleic anhydride or glycidyl methacrylate combined with an amine-terminated polyamide, in weight ratio 3:1 to 1:1. Fatty acid monoglyceride may also be used in the polymer composition to further improve dyeability. The polypropylene-based fibres are readily dyeable by contacting the fibres with an aqueous dispersion of a disperse dye, to provide fibres with high colour intensity (deep hues) and high dye substantivity and colour fastness, without the need to employ temperatures in excess of the atmospheric pressure boiling point of the dye dispersion.

    摘要翻译: 本发明提供了一种制备染色的聚丙烯基纤维的方法。 熔体流动指数为45以下的聚丙烯与添加剂共混物组合,以提供用于形成纤维的基于聚丙烯的聚合物组合物。 添加剂共混物是乙烯,丙烯酸或甲基丙烯酸酯和马来酸酐或甲基丙烯酸缩水甘油酯与胺封端的聚酰胺的三元共聚物,其重量比为3:1至1:1。 脂肪酸单甘油酯也可用于聚合物组合物中以进一步改善染色性。 聚丙烯基纤维通过使纤维与分散染料的水性分散体接触而容易染色,以提供具有高颜色强度(深色调)和高染料亲和性和色牢度的纤维,而不需要使用超过 大气压沸点的染料分散体。

    Methods and compositions for modifying polypropylene-based fibers

    公开(公告)号:US10066338B2

    公开(公告)日:2018-09-04

    申请号:US14425596

    申请日:2013-08-05

    摘要: The invention provides a process for preparing dyed, polypropylene-based fibers. Polypropylene having a Melt Flow Index of 45 or less is combined with an additive blend to provide the polypropylene-based polymer composition for forming into fibers. The additive blend is a terpolymer of ethylene, acrylic or methacrylic ester and maleic anhydride or glycidyl methacrylate combined with an amine-terminated polyamide, in weight ratio 3:1 to 1:1. Fatty acid monoglyceride may also be used in the polymer composition to further improve dyeability. The polypropylene-based fibers are readily dyeable by contacting the fibers with an aqueous dispersion of a disperse dye, to provide fibers with high color intensity (deep hues) and high dye substantivity and color fastness, without the need to employ temperatures in excess of the atmospheric pressure boiling point of the dye dispersion.