CHARGING MEMBER, MANUFACTURING METHOD THEREOF, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS

PROBLEM TO BE SOLVED: To provide a charging member having a high relative dielectric constant and a small surface free energy and being capable of maintaining the high relative dielectric constant over a long period of time; a process cartridge effectively allowing high-speed printing and a long lif...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAMINE NORIKO, KURODA NORIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY CINEMATOGRAPHY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HOLOGRAPHY INKS MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PHOTOGRAPHY PHYSICS POLISHES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a charging member having a high relative dielectric constant and a small surface free energy and being capable of maintaining the high relative dielectric constant over a long period of time; a process cartridge effectively allowing high-speed printing and a long life electrophotographic apparatus; and an electrophotographic apparatus.SOLUTION: A charging member 3 has a substrate 101, an elastic layer 102 and a surface layer 103, where the surface layer is a cured product layer of a coating agent comprising a reaction product of a hydrolysis silane compound with a titanium oxide particle having a hydroxyl group amount of 0.7 mass% or more and 35 mass% or less which exists on the surface. An electrophotographic apparatus and a process cartridge have the charging member.