Patent ID: 6558781
Filing Date: 2003-05-06
Classification: G03G,Y10T

Abstract:
A conductive roller, comprising:an electroconductive support, an electroconductive elastic layer coating the support and a resistance layer coating the elastic layer, wherein the elastic layer comprises (i) at least one species of rubber selected from the group consisting of acrylonitrile-butadiene rubber, epichlorohydrin rubber and chloroprene rubber, (ii) an ether oxygen-containing alkyl phthalate derivative, (iii) a quaternary ammonium perchlorate compound and (iv) a fatty oil, wherein said ether oxygen-containing alkyl phthalate derivative (ii), said quaternary ammonium perchlorate compound (iii), and said fatty oil (iv) are contained in a total amount of 0.1-20 wt. parts per 100 wt. parts of said rubber, wherein said quaternary ammonium perchlorate compound is one represented by formula (2) below: and wherein R3, R4 and R5 independently denote an alkyl group having 1-18 carbon atoms, B denotes an alkylene group having 2-4 carbon atoms, and p denotes an integer of 1-4.