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    • 3. 发明申请
    • Aqueous Pigmented Black Inks Having a Unique Dispersant Mixture
    • 具有独特分散剂混合物的水性着色黑色油墨
    • US20130005851A1
    • 2013-01-03
    • US13174478
    • 2011-06-30
    • Xiaorong CaiElaine Money
    • Xiaorong CaiElaine Money
    • C09D11/02C08K5/053C08L33/00
    • C09D11/324
    • The present invention relates to a unique polymer dispersant mixture to be incorporated into a carbon black ink formulation. More particularly, the a polymeric dispersant mixture consists of a first polymer dispersant having moieties of methacrylic acid; poly(propylene glycol)-4-nonylphenyl ether acrylate; and poly(ethylene glycol)2,4,6-tris-(1-phenylethyl)phenyl ether methacrylate in combination with a second polymer dispersant selected from the group consisting of a copolymer of methacrylic acid and benzyl methacrylate and a terpolymer of styrene, alpha-methyl styrene and acrylic acid. Carbon black inkjet inks having this particular polymer dispersant mixture exhibit improved text quality when compared to carbon black inks not having this polymer dispersant mixture.
    • 本发明涉及要并入炭黑油墨配方中的独特的聚合物分散剂混合物。 更具体地,聚合物分散剂混合物由具有甲基丙烯酸部分的第一聚合物分散剂组成; 聚(丙二醇)-4-壬基苯基醚丙烯酸酯; 和聚(乙二醇)2,4,6-三 - (1-苯乙基)苯基醚甲基丙烯酸酯与第二聚合物分散剂的组合,所述第二聚合物分散剂选自甲基丙烯酸和甲基丙烯酸苄酯的共聚物和苯乙烯的三元共聚物 甲基苯乙烯和丙烯酸。 与不具有该聚合物分散剂混合物的炭黑油墨相比,具有这种特定聚合物分散剂混合物的炭黑喷墨油墨显示出改进的文本质量。