P-TERPHENYL COMPOUND MIXTURE AND ELECTROPHOTOGRAPHIC PHOTORECEPTORS MADE BY USING THE SAME

摘要

The invention aims at providing a p-terphenyl compound mixture useful as a carrier transport agent which is improved in the cracking (which is a problem characteristic of photoreceptor) by enhancing the solubility in organic solvents and which is capable of realizing electrophotographic photoreceptors having high sensitivity and high endurance; and electrophotographic photoreceptors made by using the mixture. The invention relates to a p-terphenyl compound mixture consisting of two symmetric p-terphenyl compounds represented by the general formulae (1) and (2) respectively and an asymmetric p-terphenyl compound represented by the general formula (3) which has both a group of substituents constituting the compound of the general formula (1) and a group of substituents constituting the compound of the general formula (2); and electrophotographic photoreceptors made by using the mixture.