CONDUCTIVE ROLLER FOR ELECTROPHOTOGRAPHIC DEVICE

A conductive roller for electrophotographic device is provided, in which the agglomeration of carbon black to be blended is suppressed and the surface layer of the conductive roller has excellent resistance uniformity when a water-based coating is used. The conductive roller for electrophotographic...

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Bibliographische Detailangaben
Hauptverfasser:	KASHIHARA, Shinkichi, NAKAZATO, Kenta, NIMURA, Yasunori, HORIUCHI, Takeru, HAYASHI, Yosuke
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PHOTOGRAPHY PHYSICS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A conductive roller for electrophotographic device is provided, in which the agglomeration of carbon black to be blended is suppressed and the surface layer of the conductive roller has excellent resistance uniformity when a water-based coating is used. The conductive roller for electrophotographic device 10 including a shaft body 12, an elastic body layer 14 formed on the outer periphery of the shaft body 12, and a surface layer 16 formed on the outer periphery of the elastic body layer 14, and the surface layer 16 is formed from an emulsion composition containing the following (a) to (d): (a) an aqueous polyurethane resin, (b) a urethane curing agent, (c) an associative thickener, and (d) carbon black.