Patent ID: 7727692
Filing Date: 2010-06-01
Classification: G03G

Abstract:
1. An electrophotographic photoreceptor comprising: an electroconductive support; and a photosensitive layer on the electroconductive support, wherein the photosensitive layer comprises a functional layer, the functional layer comprising: a compound having a triple bond and a hydroxyl group in a molecule; and a cured product of a curable resin, wherein the compound having a triple bond and a hydroxyl group is at least one compound selected from the group consisting of 2-propyn-1-ol, 1-butyn-3-ol, 2-butyn-1-ol, 3-butyn-1-ol, 1-pentyn-3-ol, 2-pentyn-1-ol, 3-pentyn-1-ol, 4-pentyn-1-ol, 4-pentyn-2-ol, 1-hexyn-3-ol, 2-hexyn-1-ol, 3-hexyn-1-ol, 5-hexyn-1-ol, 5-hexyn-3-ol, 1-heptyn-3-ol, 2-heptyn-1-ol, 3-heptyn-1-ol, 4-heptyn-2-ol, 5-heptyn-3-ol, 1-octyn-3-ol, 3-octyn-1-ol, 3-nonyn-1-ol, 2-decyn-1-ol, 3-decyn-1-ol, 10-undecyn-1-ol, 3-methyl-1-butyn-3-ol, 3-methyl-1-penten-4-yn-3-ol, 3-methyl-1-pentyn-3-ol, 5-methyl-1-hexyn-3-ol, 3-ethyl-1-pentyn-3-ol, 3-ethyl-1-heptyn-3-ol, 4-ethyl-1-octyn-3-ol, 3,4-dimethyl-1-pentyn-3-ol, 3,5-dimethyl-1-hexyn-3-ol, 3,6-dimethyl-1-heptyn-3-ol, 2,2,8,8-tetramethyl-3,6-nonadiyn-5-ol, 4,6-nonadecadiyn-1-ol, 10,12-pentacosadiyn-1-ol, 2-butyn-1,4-diol, 3-hexyn-2,5-diol, 2,4-hexadiyn-1,6-diol, 2,5-dimethyl-3-hexyn-2,5-diol, 3,6-dimethyl-4-octyn-3,6-diol, 2,4,7,9-tetramethyl-5-decyn-4,7-diol, (+)-1,6-bis(2-chlorophenyl)-1,6-diphenyl-2,4-hexadiyn-1,6-diol, (−)-1,6-bis(2-chlorophenyl)-1,6-diphenyl-2,4-hexadiyn-1,6-diol, 2-butyn-1,4-diol bis(2-hydroxyethyl), 1,4-diacetoxy-2-butyn-4-diethylamino-2-butyn-1-ol, 1,1-diphenyl-2-propyn-1-ol, 1-ethynyl-1-cyclohexanol, 9-ethynyl-9-fluorenol, 2,4-hexadiyndiyl-1,6-bis(4-phenylazobenzene sulfonate), ethyl 2-hydroxy-3-butynoate, 2-methyl-4-phenyl-3-butyn-2-ol, methyl propargyl ether, 5-phenyl-4-pentyn-1-ol, 1-phenyl-1-propyn-3-ol, 1-phenyl-2-propyn-1-ol, 4-trimethylsilyl-3-butyn-2-ol, 3-trimethylsilyl-2-propyn-1-ol and a compound represented by fomula (XX-1) or (XX-2):