Patent ID: 7521161
Filing Date: 2009-04-21
Classification: G03G

Abstract:
1. An electrophotographic photoreceptor, comprising: an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate; and a photosensitive layer located overlying the undercoat layer, wherein the undercoat layer comprises a crosslinked reaction product of a blocked isocyanate compound, an oil-free alkyd resin including a hydroxyl group, and a basic amine; and the amount of basic amine is from 0.0001 to 5% by weight based on total weight of the oil-free alkyd resin and blocked isocyanate compound; wherein the basic amine is one selected from the group consisting of ammonia, monoethanol amine, diethanol amine, triethanol amine, diethyl ethanolamine, methyl ethanolamine, ethylene diamine, diamino butane, diamino propane, hexane diamine dodecane diamine, diethylene triamine, triethylene tetramine and polyether diamine.