Abstract: An electrophotographic belt comprising: a substrate and an elastic layer on an outer peripheral surface of the substrate, the elastic layer comprising a cured rubber product including a cured silicone rubber product, an elastic modulus of the elastic layer at a temperature of 23° C. being 1.00 MPa or less, wherein when 1 g sample collected from the elastic layer is immersed in 50 ml of toluene at a temperature of 23° C. for 24 hours in accordance with Japanese Industrial Standard (JIS) K6258:2016, an extract of 3% by mass to 20% by mass with respect to the sample is extracted, and a burning time of the elastic layer in a burn test in accordance with UL94 VTM standard is 30 seconds or less.

Abstract: A process for process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate of the following formula (3), wherein Ac represents an acetyl group, the process comprising steps of: preparing a nucleophilic reagent, 5-isopropenyl-2-methyl-8-nonenyl compound, of the following general formula (1): wherein M1 represents Li, MgZ1, ZnZ1, Cu, CuZ1, or CuLiZ1, wherein Z1 represents a halogen atom or a 5-isopropenyl-2-methyl-8-nonenyl group, from a 5-isopropenyl-2-methyl-8-nonenyl halide compound of the following general formula (4): wherein X1 represents a halogen atom; subjecting the nucleophilic reagent (1), 5-isopropenyl-2-methyl-8-nonenyl compound, to an addition reaction with at least one electrophilic reagent selected from the group consisting of formaldehyde, paraformaldehyde, and 1,3,5-trioxane, followed by a hydrolysis reaction to form 6-isopropenyl-3-methyl-9-decenol of the following formula (2); and acetylating 6-isopropenyl-3-methyl-9-decenol (2) to form 6-isopropenyl-3-methyl-9-decenyl acetate (3).

Abstract: According to one embodiment, a semiconductor device includes a first electrode, a second electrode, a third electrode; a fourth electrode, a semiconductor member, a first conductive member, a second conductive member, and an insulating member. The semiconductor member includes first, second and third semiconductor regions. The first semiconductor region includes a first outer edge region, a first partial region, a second partial region, a third partial region, and a fourth partial region. The first, third and fourth partial regions are of a first conductivity type. The second semiconductor region is of a second conductivity type. The third semiconductor region is of the first conductivity type. The second conductive member includes a first conductive portion. The insulating member includes a first insulating region and a second insulating region. An electrical resistivity of the second partial region is higher than an electrical resistivity of the first partial region.

Abstract: Provided is a 3-acyloxymethyl-3-butenal acetal compound of General Formula (10): wherein R1 and R2, which may be the same or different, are each an alkyl group having 1 to 6 carbon atoms, or are bonded to each other to form a divalent alkylene group having 2 to 12 carbon atoms, and X1 is an acyloxy group having 1 to 6 carbon atoms.

Abstract: A resinous membrane comprising a resin including a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, having a water pressure resistance of 800 kPa or more, and having a moisture permeability of 1500 g/m2·day or more.

Abstract: An electrophotographic member includes a base layer, an elastic layer, and a surface layer stacked in this order. The surface layer contains a fluorine resin and a fluorine rubber, the fluorine rubber is contained at a proportion of 0.5 parts by mass or more and 1.0 parts by mass or less with respect to 1 part by mass of the fluorine resin, and the surface layer further contains a compound represented by formula (1): CH3(CH2)m—O—((CH2)lO)n—OH??(1) In formula (1), m, l, and n each independently represent an integer of 1 or more.

Abstract: Provided is a pressurizing member including a substrate, an elastic layer on the substrate, and a surface layer on the elastic layer, the surface layer containing a fluorine resin, wherein the surface layer has a surface resistivity of 1×1011[?/?] or less at a temperature of 25° C. when applying a DC voltage of 500 V, and a thermal conductivity ? in a thickness direction of the surface layer is 0.093 [W/(m·K)] or less.

Abstract: A heater element including a honeycomb structure and a functional material-containing layer, wherein the honeycomb structure has an outer peripheral wall and partition walls provided inside the outer peripheral wall, the partition walls partitioning a plurality of cells that form flow paths extending from an inlet end surface to an outlet end surface, and at least the partition walls are made of a material having PTC characteristics, and wherein the functional material-containing layer is provided on a surface of the partition walls, and a thickness of the functional material-containing layer increases from the inlet end surface toward the outlet end surface.

Abstract: A hood in which a predetermined space is formed is provided in a front portion of a traveling vehicle body, a control portion on which an operator rides is provided on a rear side of the hood, a first electric motor configured to drive rear wheels and a second electric motor configured to drive a work machine are provided on a lower rear side of a control seat of the control portion, and a battery configured to store electric power to be supplied to the first electric motor and the second electric motor is provided in the space formed by the hood.

Abstract: A pressing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer having pores, wherein when placing an observation region of 8 ?m long×11 ?m wide at a cross section of the surface layer in a thickness direction of the surface layer—a direction perpendicular to a circumferential direction of the pressing rotating member, a degree of orientation f of the pores observed in the observation region is 0.20 or higher, and an orientation angle ? of the pores observed in the observation region is 0° to 10°.

Abstract: Provided is a pressurizing member including a substrate, an elastic layer on the substrate, and a surface layer on the elastic layer, the surface layer containing a fluorine resin, wherein the surface layer has a surface resistivity of 1×1011[?/?] or less at a temperature of 25° C. when applying a DC voltage of 500 V, and a thermal conductivity ? in a thickness direction of the surface layer is 0.093 [W/(m·K)] or less.

Abstract: An electrophotographic member includes a base layer and an elastic layer on the base layer, wherein the elastic layer includes a matrix rubber, an ionic liquid including an anion and a cation, and an inorganic layered double hydroxide compound, wherein the anion is at least one selected from the group consisting of structural formulae (1) to (3), the cation is at least one selected from the group consisting of structural formulae (4) to (7), and the inorganic layered double hydroxide compound has an average value of interlayer distances of 4 ? or larger and 8 ? or smaller, which are measured by XRD.

Abstract: Provided is a fixing rotating member capable of maintaining high toner releasability over longer periods of time than in conventional instances and that is capable of maintaining abrasion resistance against paper; the fixing rotating member comprises a base layer, an elastic layer, and a surface layer, in this order; the surface layer containing a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer and a perfluoropolyether; the tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer having pores formed therein; the surface layer has pores with openings at a first surface thereof, and constituting an outer surface of the fixing rotating member; at least part of the pores containing the perfluoropolyether; a content of the perfluoropolyether in the surface layer is 20 mass % to 60 mass %; and a degree of orientation A of molecules of the tetrafluoroethylene-perfluoroalkyl vinyl ether in a direction perpendicular to a circumferential direction of the surface layer is 35 to 75%.

Abstract: A fixing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer containing PFA and PFPE, and having pores with openings at a first surface; at least part of the pores containing the PFPE, wherein when after removing the PFPE in the pores, placing a first observation region on the first surface, defining a ratio of a sum of areas of the openings in the first observation region relative to an area of the first observation region as P1; and placing a second observation region in a cross section of the surface layer, and defining a ratio of a sum of areas of the pores in the second observation region relative to an area of the second observation region as P2, P2/P1 is 1.3 or higher.

Abstract: A pressing rotating member comprising a base layer, an elastic layer and a surface layer, in this order, the surface layer having pores, wherein when placing an observation region of 8 ?m long×11 ?m wide at a cross section of the surface layer in a thickness direction of the surface layer—a direction perpendicular to a circumferential direction of the pressing rotating member, a degree of orientation f of the pores observed in the observation region is 0.20 or higher, and an orientation angle ? of the pores observed in the observation region is 0° to 10°.

Abstract: A lens unit and a camera module are provided which are capable of warming the lens surface and realizing a quick snow melting effect without impairing the antireflection characteristics of the antireflection film. The lens unit has lens heating means which includes: i) a transparent conductive film provided on a lens surface facing the object side of the lens located closest to the object side, the lens constituting the lens group; ii) at least a pair of electrodes electrically connected to the transparent conductive film; wherein an electric current is caused to flow to the transparent conductive film by applying a voltage between the electrodes to generate Joule heat on the lens surface. The lens unit further includes an antireflection film provided to cover the lens heating means.

Abstract: A laminated film exhibits a certain adhesive property to various adherends having shapes or different irregularity shapes. The laminated film includes a resin layer A on one surface of a substrate and a resin layer B on the other surface. The resin layer A has a ten-point average surface roughness Rz(a) of 1.5 ?m or more and 5.0 ?m or less and a storage elastic modulus G? at 25° C. and 1 Hz of 3.0×105 Pa or more.

Abstract: A lens unit that includes an optical element including at least a lens group in which a plurality of lenses are arranged along an optical axis; and a cylindrical lens barrel having an inner accommodation space for accommodating and holding the optical element, and the lens group includes a first lens located closest to the object side thereof; and a second lens adjacent to the first lens on the image side thereof, and optical elements and/or the optical element and the lens barrel are bonded to each other in an airtight state, such that an inter-lens space between the first lens and the second lens is sealed to the outside.

Abstract: Provided is a curable silicone rubber mixture that provides a cured silicone rubber having a small change in volume resistivity when a high voltage is applied for a long period of time. The curable silicone rubber mixture includes a curable silicone rubber, a cation having one or more carbon-carbon double bonds in the molecular structure thereof, a metal oxide particle having a hydrophilization ratio at the surface thereof of 0.50 or more, and an anion having a specific structure.

Abstract: A laminated film exhibits a certain adhesive property to various adherends having shapes or different irregularity shapes. The laminated film includes a resin layer A on one surface of a substrate and a resin layer B on the other surface. The resin layer A has a ten-point average surface roughness Rz(a) of 1.5 ?m or more and 5.0 ?m or less and a storage elastic modulus G? at 25° C. and 1 Hz of 3.0×105 Pa or more.