Abstract: A silicone compound represented by the following Chemical Structure 1: wherein Y represents a substituted or non-substituted alkyl group having one to ten carbon atoms, X1, X2, and X3 independently represent methyl groups or any of Substituents A-1 to A-7, and l, m, and n are independently zero or an integer of from 1 to 6.

Abstract: To provide a photocurable liquid developer including colored resin particles, and an electrically insulating liquid that cures by light, wherein the electrically insulating liquid contains an unsaturated group-containing silicone compound represented by General Formula (1) below, where R independently denotes a methyl group or a phenyl group, l and m each independently denote an integer of 0 to 100, and X1, X2 and X3 each independently denote a C1-C6 alkyl group or Substituent A below, with at least one of X1, X2 and X3 being Substituent A, where R denotes a methyl group or a phenyl group, and n denotes an integer of 2 or 3.

Abstract: A silicone compound represented by the following Chemical Structure 1: wherein Y represents a substituted or non-substituted alkyl group having one to ten carbon atoms, X1, X2, and X3 independently represent methyl groups or any of the following Substituents A-1 to A-7, and l, m, and n are independently zero or an integer of from 1 to 6, wherein R1 is a hydrogen atom, an alkyl group having one to four carbon atoms, or an alkoxy group having one to four carbon atoms, wherein R2 represents a single bonding or an alkylene group having one to four carbon atoms and R3 represents a single bonding or an alkyleneoxy group having one to four carbon atoms, wherein R4 and R5 independently represent hydrogen atoms or methyl groups,

Abstract: To provide a photocurable liquid developer including colored resin particles, and an electrically insulating liquid that cures by light, wherein the electrically insulating liquid contains an unsaturated group-containing silicone compound represented by General Formula (1) below, where R independently denotes a methyl group or a phenyl group, l and m each independently denote an integer of 0 to 100, and X1, X2 and X3 each independently denote a C1-C6 alkyl group or Substituent A below, with at least one of X1, X2 and X3 being Substituent A, where R denotes a methyl group or a phenyl group, and n denotes an integer of 2 or 3.

Abstract: The object of the invention is to provide a novel aromatic polyester resin useful as a binder resin or charge transporting polymer for an organic photoconductor and an electrophotographic photoconductor having high sensitivity and high durability produced using the above-noted novel aromatic polyester resin. For this object, the invention provides an aromatic polyester resin which has a recurring unit represented by the following Formula (I) and an electrophotographic photoconductor produced using the above-noted aromatic polyester resin. wherein R1 represents any one of a hydrogen atom, an unsubstituted or substituted alkyl group and an unsubstituted or substituted aryl group; Ar1 represents an unsubstituted or substituted aryl group; Ar2 and Ar3 may be the same as or different from each other and represent respectively an unsubstituted or substituted arylene group; and W represents an unsubstituted or substituted divalent aromatic group.

Abstract: An object of the present invention is to provide an electrophotographic photoconductor for liquid development, having high resistance to a carrier solvent for use in a liquid developing method and having practically high sensitivity, an image-forming apparatus including the photoconductor, and an image forming method. To achieve this object, the present invention provides an electrophotographic photoconductor for liquid development including a support, and a photosensitive layer on or above the support, wherein the photosensitive layer includes a charge-generating material, a charge-transporting material, and an acceptor compound, and the charge-transporting material includes a charge-transporting polymer having a specified structure.

Abstract: A polycarbonate resin has a constitutional unit expressed by the following general formula (I): A1 represents an alkyl group which is substitutional or nonsubstitutional, and an aryl group which is substitutional or nonsubstitutional. A2, A3, A4, A5, A6 and A7 each represent one of a hydrogen atom, a halogen atom, an alkyl group which has 1 to 6 carbon atoms and is substitutional or nonsubstitutional.

Abstract: To provide a highly sensitive and highly durable electrophotographic photoconductor, electrophotography, photographic apparatus and process cartridge for the electrophotographic apparatus which is practical for a high-speed copying machine as well as for a laser printer. The electrophotographic photoconductor includes a photoconductive layer on a conductive support, in which the photoconductive layer contains an azo compound expressed by Formula (1) and wherein at least one of “Cp1” and “Cp2” contains a coupler residue selected from Formula (2), Formula (3) and Formula (4).

Abstract: An electrophotographic photoconductor contains a conductive support; and a photoconductive layer disposed on the photoconductive support; wherein the photoconductive layer contains an azo compound expressed by a general formula <<1>> ArN?N—Cp)n,??(<<1>>) wherein in the general formula <<1>>, Ar is a substituted or non-substituted aromatic series hydrocarbon group or an aromatic series heterocyclic ring group which can be bonded by way of a bonding group; Cp is a coupler residual group; n represents an integer of 1, 2, 3, or 4, at least one of the Cp is a coupler residual group selected from the group consisting of general formulae <<2>>, <<3>>, and <<4>> wherein in the general formulae <<2>>, <<3>>, and <<4>>, all substituents are as defined in the specification.

Abstract: The object of the invention is to provide a novel aromatic polyester resin useful as a binder resin or charge transporting polymer for an organic photoconductor and an electrophotographic photoconductor having high sensitivity and high durability produced using the above-noted novel aromatic polyester resin. For this object, the invention provides an aromatic polyester resin which has a recurring unit represented by the following Formula (I) and an electrophotographic photoconductor produced using the above-noted aromatic polyester resin. wherein R1 represents any one of a hydrogen atom, an unsubstituted or substituted alkyl group and an unsubstituted or substituted aryl group; Ar1 represents an unsubstituted or substituted aryl group; Ar2 and Ar3 may be the same as or different from each other and represent respectively an unsubstituted or substituted arylene group; and W represents an unsubstituted or substituted divalent aromatic group.

Abstract: An object of the present invention is to provide an electrophotographic photoconductor for liquid development, having high resistance to a carrier solvent for use in a liquid developing method and having practically high sensitivity, an image-forming apparatus including the photoconductor, and an image forming method. To achieve this object, the present invention provides an electrophotographic photoconductor for liquid development including a support, and a photosensitive layer on or above the support, wherein the photosensitive layer includes a charge-generating material, a charge-transporting material, and an acceptor compound, and the charge-transporting material includes a charge-transporting polymer having a specified structure.

Abstract: To provide a highly sensitive and highly durable electrophotographic photoconductor, electrophotography, photographic apparatus and process cartridge for the electrophotographic apparatus which is practical for a high-speed copying machine as well as for a laser printer. The electrophotographic photoconductor includes a photoconductive layer on a conductive support, in which the photoconductive layer contains an azo compound expressed by Formula (1) and wherein at least one of “Cp1” and “Cp2” contains a coupler residue selected from Formula (2), Formula (3) and Formula (4).

Abstract: Providing an electrophotographic photoconductor comprising a conductive support and a photoconductive layer disposed on the photoconductive support; wherein the photoconductive layer contains an azo compound expressed by a general formula <<1>>. Ar?N?N—Cp)n ??general formula <<1>> (in the general formula <<1>>, Ar expresses one of a substituted or non-substituted aromatic carbon hydride group and heterocyclic ring aromatic series group which can be combined by way of a bond group; Cp expresses a coupler residual group; n expresses an integer of one of 1, 2, 3, and 4; at least one of the Cp is a coupler residual group selected from one of the following general formulae <<2>>, <<3>>, and <<4>>.

Abstract: A polycarbonate resin has a constitutional unit expressed by the following general formula (I): A1 represents an alkyl group which is substitutional or nonsubstitutional, and an aryl group which is substitutional or nonsubstitutional. A2,A3,A4,A5,A6 and A7 each represent one of a hydrogen atom, a halogen atom, an alkyl group which has 1 to 6 carbon atoms and is substitutional or nonsubstitutional.

Abstract: Providing an electrophotographic photoconductor comprising a conductive support and a photoconductive layer disposed on the photoconductive support; wherein the photoconductive layer contains an azo compound expressed by a general formula <<1>>. Ar?N?N—Cp)n??general formula <<1>> (in the general formula <<1>>, Ar expresses one of a substituted or non-substituted aromatic carbon hydride group and heterocyclic ring aromatic series group which can be combined by way of a bond group; Cp expresses a coupler residual group; n expresses an integer of one of 1, 2, 3, and 4; at least one of the Cp is a coupler residual group selected from one of the following general formulae <<2>>, <<3>>, and <<4>>.

Abstract: Providing an electrophotographic photoconductor comprising a conductive support and a photoconductive layer disposed on the photoconductive support; wherein the photoconductive layer contains an azo compound expressed by a general formula <<1>>.

Abstract: To provide a novel reaction product useful as an organic photoconductive material for electrophotographic photoconductors. A product obtainable by reacting (i) a nitrile derivative, (ii) a phthalonitrile derivative or a 1,3-diiminoisoindoline derivative and, if necessary, (iii) a metal or a metal-containing compound.

Abstract: A mixture is made of a plurality of different titanyltetraazaporphyrin compounds, each of which is represented by formula (1): wherein A, B, C and D are each independently an unsubstituted or substituted benzene ring or pyridine ring, a substituent thereof being selected from the group consisting of nitro group, cyano group, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxyl group having 1 to 8 carbon atoms, and an aryl group. The above-mentioned mixture is contained in a photoconductive layer of an electrophotographic photoconductor as a photoconductive material.

Abstract: [Problem] To provide a novel reaction product useful as an organic photoconductive material for electrophotographic photoconductors.

Abstract: A reaction product useful as an organic photoconductive material for electrophotographic photoconductors is provided, obtainable by reacting (i) a nitrile derivative, (ii) a phthalonitrile derivative or a 1,3-diiminoisoindoline derivative and, if necessary, (iii) a metal or a metal-containing compound.