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    • 1. 发明授权
    • Electrostatic image developing toner
    • 静电图像显影墨粉
    • US5693445A
    • 1997-12-02
    • US752895
    • 1996-11-20
    • Hiroyoshi YamagaNoboru AkuzawaNobuo Suzuki
    • Hiroyoshi YamagaNoboru AkuzawaNobuo Suzuki
    • G03G9/09G03G9/097
    • G03G9/09716G03G9/0914
    • Disclosed herein is an electrostatic image developing toner, which comprises a binder resin, a colorant and a charge control agent, wherein the charge control agent is a hydrophobicity-imparted product of a xanthene-type dye, which is represented by the formula ##STR1## wherein R.sub.1, R.sub.3, R.sub.5, R.sub.6 and R.sub.7 are independently hydrogen or a lower alkyl group, R.sub.2 and R.sub.4 are independently a lower alkyl group, and A is a group represented by the formula ##STR2## in which R.sub.8 is a C.sub.8-37 alkyl group, or the formula ##STR3## in which R.sub.9 is a C.sub.1-37 alkyl group, and X is O, S, NH or CH.sub.2, and is contained in a proportion of 0.05 to 10 parts by weight per 100 parts by weight of the binder resin.
    • 本文公开了一种静电图像显影调色剂,其包含粘合剂树脂,着色剂和电荷控制剂,其中电荷控制剂是呫吨型染料的疏水性赋予产物,其由下式表示: (1)其中R1,R3,R5,R6和R7独立地是氢或低级烷基,R2和R4独立地是低级烷基,A是由式(2)表示的基团,其中R8 是C8-37烷基,或其中R9为C1-37烷基,X为O,S,NH或CH2的式(IMAGE)(3),其含量为0.05〜10份 的每100重量份粘合剂树脂。
    • 4. 发明授权
    • Electrophotographic toner containing metal complex
    • 含有金属络合物的电子照相调色剂
    • US4624907A
    • 1986-11-25
    • US669370
    • 1984-11-08
    • Isao NiimuraKatsuichi MotohashiHiroyoshi YamagaNoboru Akuzawa
    • Isao NiimuraKatsuichi MotohashiHiroyoshi YamagaNoboru Akuzawa
    • G03G9/09G03G9/08G03G9/10
    • G03G9/091
    • An electrophotographic toner capable of being electrified negatively comprising:(a) a binder resin; and(b) a charge-controlling and coloring agent comprising at least one 2:1 type metal complex of the formula (I): ##STR1## where each of X.sub.1 and X.sub.2, which may be the same or different, is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, a C.sub.1 -C.sub.5 alkoxy group, a nitro group or a halogen atom, each of m and m' is an integer of 1 to 3, each of R.sub.1 and R.sub.2, which may be the same or different, is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group, a C.sub.1 -C.sub.5 alkoxy group, a halgen atom, a nitro group, a sulfonamide group, a methylsulfonyl group, an ethylsulfonyl group, an acetyl amino group or a benzoyl amino group, each of n and n' is an integer of 1 to 3, Y.sup..sym. is an ammonium ion, an aliphatic ammonium ion, an alicyclic ammonium ion or a heterocyclic ammonium ion, and M is a chromium atom, a cobalt atom or an iron atom.
    • 能够负电荷的电子照相调色剂包括:(a)粘合剂树脂; 和(b)电荷控制和着色剂,其包含至少一种式(I)的2:1型金属络合物:其中X1和X2各自可以相同或不同,为氢原子 ,C1-C5烷基,C1-C5烷氧基,硝基或卤原子,m和m'各自为1〜3的整数,R1和R2各自可以相同或不同 是氢原子,C1-C5烷基,C1-C5烷氧基,卤原子,硝基,磺酰胺基,甲基磺酰基,乙基磺酰基,乙酰基氨基或苯甲酰氨基, n和n'分别为1〜3的整数,Y(+)为铵离子,脂肪族铵离子,脂环族铵离子或杂环铵离子,M为铬原子,钴原子或 铁原子。