Abstract: Provided is a transparent roll around which a transparent belt that transmits light from a light source is wound and which presses the transparent belt in a nip portion and transmits the light from the light source, the transparent roll including a base layer, and an elastic layer that is exposed on a transparent belt side with respect to the base layer and is elastically deformed greater than the base layer in the nip portion.

Abstract: Provided is a transparent belt which is wound around a transparent roll and pressed at a nip portion and through which light from a light source transmits, the transparent belt including a base material layer, and an elastic layer that is exposed on a transparent roll side with respect to the base material layer and is elastically deformed greater than the base material layer in the nip portion.

Abstract: Provided is a lens including a curved surface including a top portion at one end of the lens, wherein a groove is formed on the curved surface, and wherein light incident to the curved surface is concentrated on the other end of the lens.

Abstract: Provided is a lens including a curved surface including a top portion at one end of the lens, wherein a groove is formed on the curved surface, and wherein light incident to the curved surface is concentrated on the other end of the lens.

Abstract: Provided is a heating device, including a transparent belt that travels along a determined path, a first transparent member that comes into contact with an outer circumferential surface of the belt to form a nip at a first position in the belt, and an irradiating section that irradiates a beam which reaches a second position which comes into contact with a heating-target member and differs from the first position in a circumferential direction of the belt via the transparent member and the nip.

Abstract: Provided is a fixing device that includes a transparent endless belt, a lens, a nip forming member, and a light source. The transparent endless belt includes an inner peripheral surface to which a lubricating liquid adheres, and an outer peripheral surface. A plurality of grooves are formed on one of the inner peripheral surface and the outer peripheral surface, and the light source irradiates an irradiation target with light through the inner peripheral surface or the outer peripheral surface of the belt.

Abstract: A surface protective film includes a structure in which a fluorine resin having a perfluoroalkylene ether structure in a main chain is crosslinking polymerized, wherein a storage elastic modulus E? is in the range of 10 MPa to 1000 MPa at a temperature which is 40 K higher than a dynamic glass transition temperature Tg in dynamic viscoelasticity measurement at a measurement frequency of 10 Hz.

Abstract: Provided is a perfluoroalkylene ether-containing compound represented by the following general formula (1): wherein R1 and R2 each independently indicates a fluorine atom or a trifluoromethyl group, provided that both R1 and R2 are not the fluorine atom, n1 indicates an integer from 1 to 5, n2 indicates an integer from 0 to 2, the total number of n1 and n2 is less than or equal to 5, m indicates an integer greater than or equal to 1, A1 and A2 each independently indicates a bivalent group represented by the following general formula (2), B1 and B2 each independently indicates a bivalent group selected from the group consisting of a single bond and the following (B-1) to (B-3), X1 and X2 each independently indicates a monovalent group having at least one reactive crosslinking group selected from the group consisting of the following (X-1) to (X-8).

Abstract: There is provided an elastic member including a surface resin layer including a crosslinked product of a dimethyl silicone compound having a reactive group and a fluoroalkyl compound having a reactive group.

Abstract: An electrophotographic photoreceptor includes a substrate; an undercoat layer provided on the substrate and containing a tin-zinc complex oxide powder having a volume resistivity of about 2×109 ?·cm or less; and a photosensitive layer provided on the undercoat layer.

Abstract: A surface protection film contains a urethane resin formed by polymerizing an acrylic resin having a hydroxyl group at a side chain and an isocyanate, and has a Martens' hardness of 50 N/mm2 or less and a surface roughness Ra measured based on JIS-B0601 of from 0.05 ?m to 1.0 ?m.

Abstract: A surface protective film includes a structure in which a fluorine resin having a perfluoroalkylene ether structure in a main chain is crosslinking polymerized, wherein a storage elastic modulus E? is in the range of 10 MPa to 1000 MPa at a temperature which is 40 K higher than a dynamic glass transition temperature Tg in dynamic viscoelasticity measurement at a measurement frequency of 10 Hz.

Abstract: A urethane resin laminate includes a substrate material having a contact angle of water in the surface of the substrate material being from 0 degree to 90 degrees, an inner urethane resin layer, and an outer urethane resin layer in this order. The inner urethane resin layer contains urethane resin that does not have a fluorine atom in a molecular structure, and has self-repairability. The outer urethane resin layer contains urethane resin containing a fluorine atom in a molecular structure, and has self-repairability.

Abstract: A resin material contains a polymer of a composition containing an isocyanate and an acrylic resin having OH-group-containing side chains in which a proportion of OH-group-containing side chains each having 6 or more carbon atoms relative to all of the OH-group-containing side chains is about 76 mol % or more and about 100 mol % or less.

Abstract: Provided is a transparent plate for a platen which is used in a document scanning apparatus, including a transparent supporting member, and a transparent protective layer that has a self-repairability and has a surface coefficient of kinetic friction with respect to copy paper of 0.7 or less on the transparent supporting member.

Abstract: A resin material contains a polymer of a composition containing an isocyanate and an acrylic resin having OH-group-containing side chains in which a proportion of OH-group-containing side chains each having 6 or more carbon atoms relative to all of the OH-group-containing side chains is about 76 mol % or more and about 100 mol % or less.

Abstract: There is provided an elastic member including a surface resin layer including a crosslinked product of a dimethyl silicone compound having a reactive group and a fluoroalkyl compound having a reactive group.

Abstract: Provided is a transparent plate for a platen which is used in a document scanning apparatus, including a transparent supporting member, and a transparent protective layer that has a self-repairability and has a surface coefficient of kinetic friction with respect to copy paper of 0.7 or less on the transparent supporting member.

Abstract: A urethane resin laminate includes a substrate material having a contact angle of water in the surface of the substrate material being from 0 degree to 90 degrees, an inner urethane resin layer, and an outer urethane resin layer in this order. The inner urethane resin layer contains urethane resin that does not have a fluorine atom in a molecular structure, and has self-repairability. The outer urethane resin layer contains urethane resin containing a fluorine atom in a molecular structure, and has self-repairability.

Abstract: An electrophotographic photoreceptor includes a substrate; an undercoat layer provided on the substrate and containing a tin-zinc complex oxide powder having a volume resistivity of about 2×109 ?·cm or less; and a photosensitive layer provided on the undercoat layer.