Abstract: A resin belt for an image forming apparatus includes a resin base layer containing a filler. The exposed area of the filler on an inner circumferential surface side of the resin base layer is 0.1% or less.

Abstract: A polymer material molded product includes a polymer material and a porous carbon material having an X-ray diffraction spectral characteristic shown in the following (1) or (2), (1): a peak derived from a (002) plane of carbon is observed, a half width of the peak derived from the (002) plane of carbon is 5° or more, and a half width of a peak derived from a (10) plane of carbon is 3.2° or less, and (2): the peak derived from the (002) plane of carbon is not observed, and the half width of the peak derived from the (10) plane of carbon is 3.2° or less.

Abstract: An endless belt includes a resin and an acicular filler of which a thermal conductivity is 220 W/mK or more and 320 W/mK or less, a volume resistivity is 1011 ?cm or more and 1016 ?cm or less, and a content with respect to the endless belt is 1% by mass or more and 30% by mass or less.

Abstract: A polymer material molded product includes a polymer material and a porous carbon material having an X-ray diffraction spectral characteristic shown in the following (1) or (2), (1): a peak derived from a (002) plane of carbon is observed, a half width of the peak derived from the (002) plane of carbon is 5° or more, and a half width of a peak derived from a (10) plane of carbon is 3.2° or less, and (2): the peak derived from the (002) plane of carbon is not observed, and the half width of the peak derived from the (10) plane of carbon is 3.2° or less.

Abstract: An endless belt includes a resin and an acicular filler of which a thermal conductivity is 220 W/mK or more and 320 W/mK or less, a volume resistivity is 1011 ?cm or more and 1016 ?cm or less, and a content with respect to the endless belt is 1% by mass or more and 30% by mass or less.

Abstract: A polyimide precursor solution contains a polyimide precursor, wherein in the case where the polyimide precursor is analyzed by gel permeation chromatography, the elution curve of the polyimide precursor has a region A including a higher-molecular-weight peak and a region B including a lower-molecular-weight peak; a weight average molecular weight determined from the region A in terms of polystyrene is approximately 10,000 or more, and a weight average molecular weight determined from the region B in terms of polystyrene is approximately less than 10,000; and when the area of the region A is a and the area of the region B is b, the polyimide precursor satisfies Equation (1) a/(a+b)=approximately from 0.70 to 0.98.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer, and a photosensitive layer. The undercoating layer that is provided on the conductive substrate and includes a binder resin and a charge transporting material. The binder resin includes a resin obtained by polymerizing a diallyl phthalate compound. The photosensitive layer that is provided on the undercoating layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; an undercoat layer that is disposed on the conductive substrate and contains metal titanate compound particles, an electron transporting compound, and a binder resin; and a photosensitive layer on the undercoat layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; a photosensitive layer provided on the conductive substrate; and an undercoating layer that is provided between the conductive substrate and the photosensitive layer and includes a charge transport material containing at least one of imide compounds represented by Formula (1) or (2): (in Formulas (1) and (2), R10, R11, R20 or R21 independently represents a group represented by Formula (3) or (4) where X represents a monovalent organic group having at least one of an alkyl group, an alkylene group, an ether group, an ester group, and a keto group, a halogen atom, a nitro group, an aralkyl group, or an aryl group, Y represents a sulfur atom or an oxygen atom, n represents an integer of 0 to 2, and when n represents 2, two X's may be the same or different), and an imide compound is represented by Formula (1A) where Ar represents an aromatic group having 6 to 18 carbon atoms except for a tetravalent perylene group, X1 and X2 each independ

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer, and a photosensitive layer. The undercoating layer that is provided on the conductive substrate and includes a binder resin and a charge transporting material. The binder resin includes a resin obtained by polymerizing a diallyl phthalate compound. The photosensitive layer that is provided on the undercoating layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; an undercoat layer that is disposed on the conductive substrate and contains metal titanate compound particles, an electron transporting compound, and a binder resin; and a photosensitive layer on the undercoat layer.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2) which are shown below, and polyurethane, contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification, or contains a resin obtained by polymerizing a diallyl phthalate compound and a charge transporting material.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; an undercoat layer on the conductive substrate, the undercoat layer containing at least one perinone compound selected from the group consisting of a compound represented by general formula (1) and a compound represented by general formula (2) below, metal oxide particles of at least one type selected from the group consisting of aluminum oxide particles, iron oxide particles, copper oxide particles, magnesium oxide particles, calcium oxide particles, and silicon dioxide particles, and a binder resin, the undercoat layer having a thickness of 1 ?m or more and 10 ?m or less; and a photosensitive layer on the undercoat layer.

Abstract: A porous film includes at least one porous polyimide film that includes a polyimide resin, an organic amine compound and a resin other than a polyimide resin, and that does not include a polar aprotic solvent, wherein a content of the organic amine compound is 0.001% by weight or higher with respect to a total weight of the porous polyimide film.

Abstract: A porous film includes at least one porous polyimide film that includes a polyimide resin, an organic amine compound and a resin other than a polyimide resin, and that does not include a polar aprotic solvent, wherein a content of the organic amine compound is 0.001% by weight or higher with respect to a total weight of the porous polyimide film.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer on the conductive substrate, and a photosensitive layer on the undercoat layer. The undercoat layer contains at least one perinone compound selected from the group consisting of a compound represented by general formula (1) below and a compound represented by general formula (2) below, an amine compound (A) having an ionization potential of 5.4 eV or more and 5.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoating layer that is disposed on the conductive substrate, and a photosensitive layer that is disposed on the undercoating layer, in which the undercoating layer contains at least one perinone compound selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2) which are shown below, and polyurethane, contains at least one perinone compound selected from the group consisting of the compounds represented by Formulas (1) and (2), and at least one acceptor compound selected from the group consisting of compounds represented by Formula (3) to (15) which are shown in the specification, or contains a resin obtained by polymerizing a diallyl phthalate compound and a charge transporting material.

Abstract: An electrophotographic photoreceptor includes a conductive substrate; a photosensitive layer provided on the conductive substrate; and an undercoating layer that is provided between the conductive substrate and the photosensitive layer and includes a charge transport material containing at least one of imide compounds represented by Formula (1) or (2): (in Formulas (1) and (2), R10, R11, R20 or R21 independently represents a group represented by Formula (3) or (4) where X represents a monovalent organic group having at least one of an alkyl group, an alkylene group, an ether group, an ester group, and a keto group, a halogen atom, a nitro group, an aralkyl group, or an aryl group, Y represents a sulfur atom or an oxygen atom, n represents an integer of 0 to 2, and when n represents 2, two X's may be the same or different), and an imide compound is represented by Formula (1A) where Ar represents an aromatic group having 6 to 18 carbon atoms except for a tetravalent perylene group, X1 and X2 each independ