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    • 9. 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。