| abstract |
(57) [Problem] A charging member having high controllability of electric resistance value, uniform electric resistance value, and suppressing change with time in electric resistance value, chemical property and mechanical property, and excellent in durability. . SOLUTION: This is a charging member mainly composed of 100 parts by mass of at least one kind of polar rubber containing at least a nitrile rubber, wherein 0.01 to 5 parts by mass of a diazabicycloamine compound; And at least 10 parts by mass of a weakly acidic compound. |