Multilayered photoreceptor containing particulate materials
AssigneeXerox Corporation
InventorRobert C. U. Yu
Life of this patent
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Abstract
In an electrophotographic imaging device, material for exposed layers and members has particles homogeneously dispersed therein. The particles provide coefficient of surface contact friction reduction, increased wear resistance, durability against tensile cracking, and improved adhesion of the layers without adversely affecting the optical and electrical properties of the imaging member.
Claims20
An electrophotographic imaging member comprising a charge transport layer comprised of a thermoplastic film forming binder, aromatic amine charge transport molecules and a homogeneous dispersion of at least one of organic and inorganic particles having a particle diameter less than about 4.5 micrometers, said particles comprising a material selected from the group consisting of microcrystalline silica, ground glass, synthetic glass spheres, diamond, corundum, topaz, polytetrafluoroethylene, and waxy polyethylene, wherein said particles do not decrease the optical transmittancy or photoelectric functioning of said layer.
An electrophotographic imaging member comprising a supporting substrate having an electrically conductive layer, a hole blocking layer, an adhesive layer, a charge generating layer, a charge transport layer, and optionally an overcoating layer, at least one of said charge transport layer and said overcoating layer comprising a homogeneous dispersion of particles selected from the group consisting of microcrystalline silica, ground glass, synthetic glass spheres, diamond, corundum, topaz, polytetrafluoroethylene, and waxy polyethylene, wherein said particles do not decrease the optical transmittancy or photoelectric functioning of said at least one of said charge transport layer and said overcoating layer.
Dependencies are inferred from the claim text.