Patent ID: 7962068
Filing Date: 2011-06-14
Classification: G03G,Y10T

Abstract:
1. A charging member comprising an electroconductive support, a conductive elastic layer formed on the electroconductive support, and a surface layer formed on the conductive elastic layer, wherein the surface layer is a layer formed through steps (VII) and (VIII): (VII) an impregnation step of impregnating a surface region of the conductive elastic layer with a treatment agent containing a copolymer and a hydrolyzable compound; and (VIII) an irradiation step of irradiating the surface region of the conductive elastic layer impregnated with the treatment agent with ultraviolet light, the copolymer is a copolymer of a siloxane and polyester components, the polyester components have an acid component and a glycol component, the siloxane has an isocyanate group on its terminal, and the hydrolyzable compound has a structure expressed by the formula (4): wherein h is an integer of 1 or larger, and k is an integer of 3 or larger; Z