ELECTROCONDUCTIVE POLYURETHANE MEMBER, PART OF APPARATUS FOR FORMING IMAGE AND APPARATUS FOR FORMING IMAGE USING THE SAME,申请号JP19990142915-传众专利搜索

ELECTROCONDUCTIVE POLYURETHANE MEMBER, PART OF APPARATUS FOR FORMING IMAGE AND APPARATUS FOR FORMING IMAGE USING THE SAME

申请公布号：JP2000327910(A)

申请号：JP19990142915

申请日期：1999.05.24

申请公布日期：2000.11.28

申请人：

BRIDGESTONE CORP

发明人：NAKAJIMA TADASHI;SAKATA JUNJI;YAMADA TSUTOMU;KAWAGOE TAKAHIRO

分类号：G03G15/02;C08K3/26;C08K5/098;C08K5/42;C08L75/04;G03G15/08;G03G15/16;G03G21/10;(IPC1-7):C08L75/04

主分类号：G03G15/02

摘要：PROBLEM TO BE SOLVED: To obtain an electroconductive polyurethane member having a low hardness without fouling a photoreceptor and without fusing to a toner, remarkably reduced in positional dispersion of electrical resistance and voltage dependence and suitable as a member for an apparatus for forming images. SOLUTION: This electroconductive polyurethane member comprises a polyurethane having electroconductivity. In the electroconductive polyurethane member, the polyurethane comprises a nonelectroconductive absorbent substance and the amount Z [wt.%] of the formulated nonelectroconductive oil absorbent substance satisfies 0.1X<=0.01YZ<=7X when the extraction ratio of the electroconductive polyurethane without adding the nonelectroconductive oil absorbent substance is X [wt.%] and the oil absorption volume of the nonelectroconductive oil absorbent substance to be formulated is Y [mL/100 g].