Imaging member and methods of forming the same
AssigneeXerox Corporation
InventorsKathy L. De Jong, Nan-Xing Hu, Yvan Gagnon, Yu Qi, Ah-Mee Hor, Cuong Vong, Vladislav Skorokhod
Life of this patent
Estimating the term…
Abstract
The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and imparts increased scratch resistance, reduced torque, and improved cleaning performance to the layer. In embodiments, the outermost layer is an overcoat layer used for an improved imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge transport layer.
Claims17
An electrostatographic imaging member comprising:
- an electrically conductive substrate;
- an imaging layer disposed on the substrate, wherein the imaging layer comprises a charge generation layer disposed on the substrate, and a charge transport layer disposed on the charge generation layer;
- and
- an overcoat layer disposed on the charge transport layer, wherein the overcoat layer comprises a cured composite composition comprised of polymer resin, wherein the polymer resin is selected from the group consisting of melamine-formaldehyde resin, phenol-formaldehyde resin, melamine-phenol-formaldehyde resin, guanamine-formaldehyde resin, and mixtures thereof, a charge transport component and a plurality of wax particles, such that the overcoat layer acquires a rough surface morphology;
- wherein the rough surface morphology has a root mean square surface roughness (Rq) of from about 0.25 to 0.8 micrometers.
An electrophotographic imaging apparatus comprising:
- at least one photosensitive member comprising an electrically conductive substrate and an imaging layer comprising a photogenerating pigment disposed on the electrically conductive substrate;
- a charging unit;
- a developing unit;
- and
- a transfer unit, wherein the photosensitive member includes an overcoat layer having a rough surface morphology comprising a cured composite coating, the coating further comprising a plurality of wax particles, a melamine resin and tertiary arylamine transport component containing a substituent selected from the group consisting of a hydroxyl, a hydroxymethyl, and an alkoxymethyl having from about 2 to about 6 carbons, and the photosensitive member is rigid or flexible, wherein the overcoat layer acquires a rough surface morphology and the rough surface morphology has a root mean square surface roughness (Rq) of from about 0.25 to 0.8 micrometers.
Dependencies are inferred from the claim text.