Polysulfone containing photoconductors
AssigneeXerox Corporation
InventorJin Wu
Life of this patent
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Abstract
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the charge transport layer contains a polysulfone.
Claims28
A photoconductor consisting of a supporting substrate, a photogenerating layer, an optional hole blocking layer, an optional adhesive layer, and at least one charge transport layer, and wherein said at least one charge transport layer includes a polysulfone with a glass transition temperature of from about 250° C. to about 350° C., and an optional antioxidant, wherein said polysulfone is represented by
- wherein x is from about 60 to about 80, y is from about 20 to about 40, and wherein the total thereof is about 100, and wherein aryl is at least one of
A photoconductor consisting of a supporting substrate, a photogenerating layer, and at least one charge transport layer consisting of at least one charge transport component and a polysulfone as represented by at least one of
- and with a glass transition temperature of from about 250° C. to about 350° C., wherein aryl is one of
- and wherein x is 60 to 80, y is 20 to 40, and wherein the total thereof is about 100, and wherein said charge transport component is represented by the following structures/formulas
- wherein X, Y, and Z are independently selected from the group consisting of alkyl, alkoxy, aryl, and halogen.
A photoconductor consisting of a supporting substrate, a photogenerating layer, and a charge transport layer consisting of a mixture of a charge transport component and a polysulfone as represented by
- wherein x is from about 60 to about 80, y is from about 20 to about 40, and wherein the total thereof is about 100, wherein said polysulfone has a number average molecular weight of from about 20,000 to about 50,000, and a weight average molecular weight of about 30,000 to about 100,000, and wherein said polysulfone possesses a glass transition temperature of about 290° C. to about 310° C.
Dependencies are inferred from the claim text.