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Title:
帯電部材、プロセスカートリッジ及び電子写真装置
Document Type and Number:
Japanese Patent JP4948668
Kind Code:
B2
Abstract:
A charging member is provided in which exudation of a low molecular weight component from an elastic layer to the surface is suppressed, and at the same time, charging performance of the electrophotographic photosensitive member are provided at a high level. The charging member includes a substrate, an elastic layer and a surface layer, wherein the surface layer includes a polymer compound having the structural units represented by the following formulas (1), (2) and (3), and having a Si-O-Ti bond, a Ti-O-Ta bond, and a Si-O-Ta bond: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒTiO 4/2 €ƒ€ƒ€ƒ€ƒ€ƒFormula (2) €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒTaO 5/2 €ƒ€ƒ€ƒ€ƒ€ƒFormula (3)

Inventors:
Noriko Nagamine
Noriaki Kuroda
Yuya Tomomi
Application Number:
JP2011177181A
Publication Date:
June 06, 2012
Filing Date:
August 12, 2011
Export Citation:
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Assignee:
Canon Inc
International Classes:
C08G77/14; G03G15/02; C08G79/00
Domestic Patent References:
JP5150617A
JP200437786A
JP2006293004A
JP20074102A
JP200639286A
JP200524672A
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata



 
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