申请人:HODOGAYA CHEMICAL CO., LTD.
公开号:EP0664493A1
公开(公告)日:1995-07-26
A friction charge-providing member for positively-chargeable toner is disclosed, which comprises a parent material having provided at least on the surface thereon a compound represented by formula (I) as a charge-controlling agent:
wherein A and A' may be the same or different and each independently represents a hydrogen atom, a halogen atom, a nitro group, an alkyl group having 1 to 18 carbon atoms which may contain a substituent(s), an alkenyl group, an acyl group, a sulfonic acid group, a sulfamoyl group, a N-substituted sulfamoyl group, an alkylsulfonyl group having 1 to 5 carbon atoms, a carboxyl group, an alkylester group having 1 to 5 carbon atoms, a hydroxyl group, an alkoxyl group having 1 to 18 carbon atoms, an amino group, and a N-substituted amino group; B and B' may be the same or different and each independently represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 18 carbon atoms which may contain a substituent(s), an alkenyl group, an amino group, a N-substituted amino group, an acyl group, a benzoylamino group which may contain a substituent(s), a sulfamoyl group, an alkylester group having 1 to 5 carbon atoms, a hydroxyl group, an alkoxyl group having 1 to 18 carbon atoms and a N-substituted carbamoyl group; X, X' Y and Y' may be the same or different and each independently represents -O-, -COO-, -NH- and -S- and is present at ortho-position of an azo group; n, n', m and m' may be the same or different and each independently represents an integer of 1 to 4; Z represents a hydrogen atom, sodium, potassium, ammonium, aliphatic ammonium, alicyclic ammonium and heterocyclic ammonium; M represents chromium, cobalt and iron.
本发明公开了一种用于正电荷墨粉的摩擦电荷提供部件,它由母体材料组成,母体材料的表面至少有一种由式 (I) 代表的化合物作为电荷控制剂:
其中 A 和 A'可以相同或不同,且各自独立地代表氢原子、卤素原子、硝基、具有 1 至 18 个碳原子且可能含有取代基的烷基、烯基、酰基、
磺酸基、
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、N-取代的
氨基磺酰基、具有 1 至 5 个碳原子的烷磺酰基、羧基、具有 1 至 5 个碳原子的烷酯基、羟基、具有 1 至 18 个碳原子的烷氧基、
氨基和 N-取代
氨基;B 和 B'可以相同或不同,各自独立地代表氢原子、卤素原子、具有 1 至 18 个碳原子且可能含有取代基的烷基、烯基、
氨基、N-取代
氨基酰基、可含有取代基的苯甲酰
氨基、
氨基磺酰基、具有 1 至 5 个碳原子的烷基酯基、羟基、具有 1 至 18 个碳原子的烷氧基和 N-取代的
氨基甲酰基;X、X' Y 和 Y'可以相同或不同,各自独立地代表-O-、-COO-、-NH-和-S-,并存在于偶氮基团的正交位置;n、n'、m 和 m'可以相同或不同,各自独立地代表 1 至 4 的整数;Z 代表氢原子、
钠、
钾、
铵、脂肪族
铵、脂环族
铵和杂环族
铵;M 代表
铬、
钴和
铁。