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    Method for coloring cellulosic materials using cationic pigment dispersion
    3.
    发明申请
    Method for coloring cellulosic materials using cationic pigment dispersion 失效
    使用阳离子颜料分散体着色纤维素材料的方法

    公开(公告)号：US20050025972A1

    公开(公告)日：2005-02-03

    申请号：US10478382

    申请日：2002-05-17

    申请人： Hans Rasmusen ,  Jorn Thorsson ,  James Moore ,  Charles Perry ,  Joseph LaBazzo

    发明人： Hans Rasmusen ,  Jorn Thorsson ,  James Moore ,  Charles Perry ,  Joseph LaBazzo

    IPC分类号： D21H17/55 ,  D21H17/56 ,  D21H21/24 ,  D21H21/28 ,  D21H21/36 ,  B05D1/18 ,  B32B27/02

    CPC分类号： D21H21/28 ,  D21H17/55 ,  D21H17/56 ,  D21H21/24 ,  D21H21/285 ,  D21H21/36 ,  Y10T428/254 ,  Y10T428/2991 ,  Y10T428/2993 ,  Y10T428/2995 ,  Y10T428/2996 ,  Y10T428/2998

    摘要： A method of coloring a cellulosic material which includes a) dispersing pulped cellulosic material into water; and b) coloring the pulped cellulosic material by adding a cationic dispersion to the water, where the dispersion includes: (i) at least one pigment; (ii) water; and (iii) at least one quaternary salt of a styrene maleimide imide resin in an amount effective to disperse the pigment. The cationic dispersion may be prepared by (i) mixing, at 500 to 10,000 rpm, at least one pigment; water; and either (a) at least one a quaternary salt of a styrene maleimide imide resin or (b) at least one styrene maleimide imide resin in combination with at least one weak acid, thereby forming a dispersion premix; (ii) milling the dispersion premix in a mixer filled with ceramic, metal or glass beads for a period of time sufficient to reduce pigment agglomerates to primary particles, thereby forming a nonstandardized dispersion; and (iii) standardizing the dispersion against a color standard by adding water. The resulting cationic dispersion can be used to color cellulosic materials such as cotton and paper.

    摘要翻译： 一种着色纤维素材料的方法，其包括：a）将制浆的纤维素材料分散在水中; 和b）通过向水中加入阳离子分散体来对制浆的纤维素材料着色，其中分散体包括：（i）至少一种颜料; （ii）水; 和（iii）至少一种有效分散颜料的量的苯乙烯马来酰亚胺酰亚胺树脂季盐。 阳离子分散体可以通过（i）在500至10,000rpm下混合至少一种颜料来制备; 水; 和（a）至少一种苯乙烯马来酰亚胺酰亚胺树脂的季盐或（b）至少一种苯乙烯马来酰亚胺酰亚胺树脂与至少一种弱酸的组合，从而形成分散体预混物; （ii）将分散体预混物在填充有陶瓷，金属或玻璃珠的混合物中研磨一段足以将颜料附聚物降至初级颗粒的时间，从而形成非标准分散体; 和（iii）通过加入水来对色标进行标准化。 所得的阳离子分散体可用于染色纤维素材料如棉和纸。