ELECTROPHOTOGRAPHIC BELT, ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURING ELECTROPHOTOGRAPHIC BELT

Abstract: an electrophotographic belt is provided, which includes a base layer and a surface layer in direct contact with the base layer, wherein the surface layer includes heteroaggregates of a first particle and a second particle, the first particle is at least one selected from the group consisting of a hollow silica particle and a solid silica particle, and has a number-average particle diameter of primary particles, which is greater than 30 nm and less than 100 nm, the second particle contains a conductive metal oxide, and has a number-average particle diameter of primary particles, which is 5 nm to 40 nm, the surface layer has protruded portions derived from the heteroaggregates on an outer surface opposite to the surface facing the base layer, an arithmetic mean height (sa) of the outer surface is 0.1 �m to 0.7 �m, and the base layer includes specific cation and anion.

Inventor(s): NAOKO KASAI, MASAHIRO TAKENAGA, YASUTOMO TSUJI, MASATSUGU TOYONORI

CPC Classification: G03G15/162 (ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY (information storage based on relative movement between record carrier and transducer ; static stores with means for writing-in or reading-out information ; recording of television signals ))

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