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    • 1. 发明授权
    • Pigment composition and preparation process thereof
    • 颜料组合物及其制备方法
    • US4713411A
    • 1987-12-15
    • US869325
    • 1986-06-02
    • Kazuo KanouTakamitu ShinodaYukio Kanbara
    • Kazuo KanouTakamitu ShinodaYukio Kanbara
    • C08L33/00C08J3/21C08L33/02C08L33/10C09B67/08C09B67/20C08J3/04
    • C08J3/212C09B67/0013C09B67/0063
    • A pigment composition is composed of an intimate mixture of an organic pigment and a polymer. The content of the organic pigment is 75-95 wt. % based on the whole pigment composition. Monomers which form the polymer include 0-40 wt. % of styrene, 20-70 wt. % of a methacrylic ester and 20-50 wt. % of methacrylic acid. The total proportion of styrene, the methacrylic ester and methacrylic acid is at least 85 wt. % of the entire monomers. The pigment composition is prepared by mixing the organic pigment with an aqueous alkaline solution, which contains the polymer and an alkali metal salt, alkali metal hydroxide, lower amine or ammonium, to form an aqueous dispersion. The organic pigment and polymer are then subjected to coprecipitation, preferably, by lowering the pH of the aqueous dispersion beyond 7.0.
    • 颜料组合物由有机颜料和聚合物的紧密混合物组成。 有机颜料的含量为75-95wt。 基于整个颜料组成的%。 形成聚合物的单体包括0-40wt。 %的苯乙烯,20-70wt。 %的甲基丙烯酸酯和20-50wt。 %甲基丙烯酸。 苯乙烯,甲基丙烯酸酯和甲基丙烯酸的总比例至少为85wt。 %的整个单体。 通过将有机颜料与含有聚合物和碱金属盐,碱金属氢氧化物,低级胺或铵的碱性水溶液混合以形成水分散体来制备颜料组合物。 然后将有机颜料和聚合物进行共沉淀,优选通过将水分散体的pH降低至7.0以上。
    • 3. 发明授权
    • Composite pigments, coloring compositions, and image recording substances
    • 复合颜料,着色组合物和图像记录物质
    • US06368399B1
    • 2002-04-09
    • US09614713
    • 2000-07-12
    • Masahiko AobaYukio KanbaraShigeru TakaradaKazutaka AokiKeiji NakajimaShotoku Takami
    • Masahiko AobaYukio KanbaraShigeru TakaradaKazutaka AokiKeiji NakajimaShotoku Takami
    • C09B4704
    • C09D11/32B41M5/385C08K5/0091C09B67/0035G03G9/0918G03G9/122
    • A composite pigment of a bluish green color comprises copper phthalocyanine and aluminum phthalocyanine which are preferably in the form of a mixture or solid solution. The composite pigment can be produced by mixing copper phthalocyanine and aluminum phthalocyanine into a mixture and then converting said mixture into a pigment form. A coloring composition comprises at least a resin and a pigment which comprises copper phthalocyanine and aluminum phthalocyanine. The coloring composition can be produced by mixing copper phthalocyanine and aluminum phthalocyanine which have been independently comminuted, into a composite pigment, and then kneading the pigment and a resin such that the pigment is dispersed in the resin. An image recording substance is produced using the coloring composition. The image recording substance can be a dry developer of a fine powder form or a wet developer of a liquid form, an ink-jet ink, or a thermal transfer ink ribbon with the coloring composition coated on a film-shaped or sheet-shaped base material.
    • 蓝绿色的复合颜料包括铜酞菁和铝酞菁,其优选为混合物或固溶体形式。 复合颜料可以通过将铜酞菁和铝酞菁混合到混合物中,然后将所述混合物转化为颜料形式来制备。 着色组合物至少包含树脂和包含铜酞菁和铝酞菁的颜料。 着色组合物可以通过将已经独立粉碎的铜酞菁和铝酞菁混合到复合颜料中,然后捏合颜料和树脂使得颜料分散在树脂中来制备。 使用着色组合物制造图像记录物质。 图像记录物质可以是细粉末形式的干燥显影剂或液体形式的湿式显影剂,喷墨油墨或具有着色组合物的热转印墨带涂覆在薄膜状或片状基材上 材料。