发明名称 Image forming apparatus, image forming process, and process cartridge for image forming apparatus
摘要 Disclosed is an image forming apparatus for lowering friction coefficient and lowering surface energy of photoconductor surface in particular, which comprises an electrophotographic photoconductor, charging unit, light exposure unit, developing unit, transferring unit, and fixing unit, the electrophotographic photoconductor comprises a photosensitive layer on a conductive support and fluoropolymer fine particles at the outermost layer, a part of the fluoropolymer fine particles are exposed above the surface of the outermost layer in configurations of primary particles and secondary particles formed by flocculation of plural primary particles, and sum of area ratios of particles in the configurations of the primary particles and the secondary particles, each particles having an average diameter D of 0.15 mum<=D<=3.0 mum as respective projected figures of exposed portion above the surface of the outermost layer, is 10% to 60% based on the entire surface area of the outermost layer, and wherein the binder resin in the outermost layer comprises a polyalylate copolymer resin having a structural unit of alkylene-aryldicarboxylate.
申请公布号 US7391994(B2) 申请公布日期 2008.06.24
申请号 US20040006643 申请日期 2004.12.08
申请人 RICOH COMPANY, LTD. 发明人 TAKADA TAKESHI;IKEGAMI TAKAAKI;SUGINO AKIHIRO
分类号 G03G15/00;G03G5/147;G03G9/08;G03G9/097;G03G15/01;G03G15/04;G03G21/00 主分类号 G03G15/00
代理机构 代理人
主权项
地址