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METHOD FOR PRODUCING FINE DISPERSION OF PHOTOCONDUCTIVE ZINC OXIDE FOR ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR USING SAME
METHOD FOR PRODUCING FINE DISPERSION OF PHOTOCONDUCTIVE ZINC OXIDE FOR ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR USING SAME
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机译:用相同的方法生产用于光电照相感光体和光电照相感光体的光导性氧化锌精细分散的方法
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摘要
PROBLEM TO BE SOLVED: To finely and uniformly disperse photoconductive zinc oxide powder in a solution of an insulating organic resin with high efficiency without mechanochemically modifying the powder which principally imparts photoconductivity in the production of a fine dispersion of photoconductive zinc oxide for an electrophotographic photoreceptor using the powder as a photoconductive material and the organic resin as a vehicle component and to establish a method for producing a fine dispersion of photoconductive zinc oxide for an electrophotographic photoreceptor giving a photoconductive layer which has superior sensitivity and withstands printing repeated many times without lowering sensitivity as the electrophotographic photoreceptor or causing discoloration. ;SOLUTION: Photoconductive zinc oxide powder is dispersed in a solution containing an insulating organic resin and an organic sensitizing dye in a solvent and the resulting dispersion is treated under 3-30 MPa pressure by passing through a wet jet mill in such a way that the powder is made fine and uniformly dispersed in the solution.;COPYRIGHT: (C)2001,JPO
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