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    • 5. 发明授权
    • Coating solution containing cocrystals and or crystals of a charge-generation pigment or a mixture of charge-generation pigments
    • 含有电荷产生颜料或电荷产生颜料的混合物的共晶体和/或晶体的涂层溶液
    • US07211359B2
    • 2007-05-01
    • US10836784
    • 2004-04-30
    • Michel Frantz MolaireLloyd Anthony Lobo
    • Michel Frantz MolaireLloyd Anthony Lobo
    • G03G5/06
    • G03G5/0664C09B67/0002C09B67/0026C09B67/0035G03G5/0696G03G5/0698
    • A method for preparing a coating solution containing a cocrystallized titanyl phthalocyanine-titanyl fluorophthalocyanine, the method comprising: dry milling a charge-generation pigment or mixtures of charge-generation pigments; increasing the amorphousness of the pigment mixture as determined by X-ray crystallography using X-radiation characteristic of Cu Kα at a wavelength of 1.541 Å of the Bragg angle 2θ to provide an amorphous pigment mixture; contacting the amorphous pigment mixture with a first organic solvent having a gammac hydrogen bonding parameter of less than 9, with or without the presence of a dispersant material, to produce a crystalline pigment of the charge-generation pigment prior to contacting the pigment with a second organic solvent having a gammac hydrogen bonding parameter greater than 9; mixing at least one of a second organic solvent, a dispersant and a binder with the crystalline pigment/first solvent mixture without isolating the crystalline pigment to produce a mixture; and, adjusting the concentrations of the first organic solvent, crystalline pigment, binder, dispersants and second organic solvent as required to produce the coating solution of a selected composition.
    • 一种制备含有共结晶的氧钛酞菁 - 钛氧基酞菁的涂布溶液的方法,该方法包括:将电荷产生颜料或电荷产生颜料的混合物干磨; 通过使用X射线特性的Cu Kalpha在布拉格角2θ的1.541处通过X射线晶体学测定来提高颜料混合物的无定形性,以提供无定形颜料混合物; 使无定形颜料混合物与具有小于9的氢键合参数的第一有机溶剂接触,在或不存在分散剂材料的情况下,产生电荷产生颜料的结晶颜料 在使颜料与具有大于9的氢键合参数的第二有机溶剂接触之前; 将第二有机溶剂,分散剂和粘合剂中的至少一种与结晶颜料/第一溶剂混合物混合,而不分离结晶颜料以产生混合物; 并且根据需要调节第一有机溶剂,结晶颜料,粘合剂,分散剂和第二有机溶剂的浓度以产生所选组合物的涂布溶液。