Abstract: [Object] To provide a permanent magnet electric motor that can be downsized in a rotation axis direction and can also suppress a leakage flux. [Solving Means] The permanent magnet electric motor includes: a columnar rotor including a permanent magnet portion annularly disposed; a shaft disposed along a rotation axis of the rotor; a cylindrical stator core disposed on an outer circumferential side of the rotor; a main body including a shell integrally formed with the stator core; a bracket attached to one end side of the main body; and a bearing that rotatably supports the shaft. The bracket includes a bearing house portion that stores the bearing, and a non-magnetic portion that is connected to the bearing house portion. The bearing house portion is disposed on an inner diameter side relative to the permanent magnet portion as viewed from an axis direction of the rotation axis, and an edge portion of the bearing house portion on an outer diameter side is covered with the non-magnetic portion.

Abstract: [Object] To provide an electric motor that can be downsized in a rotation axis direction and can also suppress the deformation of a bearing and a bearing house portion along with the deformation of a resin shell. [Solving Means] An electric motor according to an aspect of the present invention includes: a columnar rotor; a shaft disposed along a rotation axis of the rotor; a cylindrical stator core disposed on an outer circumferential side of the rotor; a resin shell that covers the stator core; a bearing that rotatably supports the shaft; and a bearing house portion that stores the bearing. The resin shell includes an annular portion integral with the stator core, and an end surface portion connected to an end portion of the annular portion and expanding from the annular portion to an inner circumferential side. The end surface portion includes a connection portion to be connected to the bearing house portion.

Abstract: A multilayer film includes a protective layer, a color layer and an adhesive layer, with a molding film disposed between either of the adjoining pairs of layers or on an opposite surface of the protective layer to the color layer, wherein the protective layer contains a polyurethane resin (U) formed at least from an active hydrogen component (A) and an organic isocyanate component (B) and having a polycarbonate skeleton with an alicyclic hydrocarbon group and conditions (1) and/or (2) are satisfied: (1): the polyurethane resin (U) is a polyurethane resin (U1) having an alkoxysilyl and/or a silanol group in a molecule, (2): the protective layer contains a compound (X) having a glycidyl ether and an alkoxysilyl and/or a silanol group, and the polyurethane resin (U) is a polyurethane resin (U2) having an amino group or a carboxyl group and/or a salt thereof.

Abstract: A multilayer film includes a protective layer, a color layer and an adhesive layer, with a molding film disposed between either of the adjoining pairs of layers or on an opposite surface of the protective layer to the color layer, wherein the protective layer contains a polyurethane resin (U) formed at least from an active hydrogen component (A) and an organic isocyanate component (B) and having a polycarbonate skeleton with an alicyclic hydrocarbon group and conditions (1) and/or (2) are satisfied: (1): the polyurethane resin (U) is a polyurethane resin (U1) having an alkoxysilyl and/or a silanol group in a molecule, (2): the protective layer contains a compound (X) having a glycidyl ether and an alkoxysilyl and/or a silanol group, and the polyurethane resin (U) is a polyurethane resin (U2) having an amino group or a carboxyl group and/or a salt thereof.

Abstract: A decorative molding film has a laminated structure in which a protective layer is disposed on at least one surface of a substrate film, wherein the substrate film has a structure in which a layer comprising a resin PA (PA layer) and a layer comprising a resin PB (PB layer) are alternately laminated each by at least 50 layers, each layer having a thickness of 0.03 ?m to 0.5 ?m, wherein the resin PA and the resin PB have different average in-plane refractive indices, the average in-plane refractive index of the resin PA being relatively higher than the average in-plane refractive index of the resin PB, and the protective layer comprises a polyurethane resin (U) formed from at least an active hydrogen component (A) and an organic isocyanate component (B) and having a polycarbonate skeleton containing an alicyclic hydrocarbon group, and satisfies at least one of two Conditions.

Abstract: The present invention aims to provide a vinyl resin which, with a polyurethane resin, is capable of providing a film excellent in mechanical strength, weather resistance, solvent resistance, and water resistance.

Abstract: A multilayer film includes a protective layer, a color layer and an adhesive layer, with a molding film disposed between either of the adjoining pairs of layers or on an opposite surface of the protective layer to the color layer, wherein the protective layer contains a polyurethane resin (U) formed at least from an active hydrogen component (A) and an organic isocyanate component (B) and having a polycarbonate skeleton with an alicyclic hydrocarbon group and that conditions (1) and/or (2) are satisfied: (1): The polyurethane resin (U) is a polyurethane resin (U1) having an alkoxysilyl and/or a silanol group in a molecule, (2): The protective layer contains a compound (X) having a glycidyl ether, and an alkoxysilyl and/or a silanol group, and the polyurethane resin (U) is a polyurethane resin (U2) that has an amino group, or a carboxyl group and/or a salt thereof.

Abstract: Provided is an aqueous polyurethane resin dispersion having a good film-forming property, and excellent mechanical properties and water resistance. The present invention is an aqueous polyurethane resin dispersion comprising water and a polyurethane resin (U) and satisfying all of the following conditions (1) to (6): (1) a urethane group content in the polyurethane resin (U) is 0.5 to 5.0 mmol/g, based on weight of the polyurethane resin (U); (2) a terminal amino group content in the polyurethane resin (U) is not more than 0.35 mmol/g, based on the weight of the polyurethane resin (U); (3) a number average molecular weight (Mn) of the polyurethane resin (U) is 10,000 to 1,000,000; (4) a ratio (Mw/Mn) of a weight average molecular weight (Mw) to the number average molecular weight (Mn) of the polyurethane resin (U) is 1.5 to 3.5; (5) a melting temperature of the polyurethane resin (U) is 70 to 280° C.; and (6) a volume average particle diameter (Dv) of the polyurethane resin (U) is 0.01 to 1 ?m.

Abstract: Provided is an aqueous polyurethane resin dispersion having a good film-forming property, and excellent mechanical properties and water resistance. The present invention is an aqueous polyurethane resin dispersion comprising water and a polyurethane resin (U) and satisfying all of the following conditions (1) to (6): (1) a urethane group content in the polyurethane resin (U) is 0.5 to 5.0 mmol/g, based on weight of the polyurethane resin (U); (2) a terminal amino group content in the polyurethane resin (U) is not more than 0.35 mmol/g, based on the weight of the polyurethane resin (U); (3) a number average molecular weight (Mn) of the polyurethane resin (U) is 10,000 to 1,000,000; (4) a ratio (Mw/Mn) of a weight average molecular weight (Mw) to the number average molecular weight (Mn) of the polyurethane resin (U) is 1.5 to 3.5; (5) a melting temperature of the polyurethane resin (U) is 70 to 280° C.; and (6) a volume average particle diameter (Dv) of the polyurethane resin (U) is 0.01 to 1 ?m.

Abstract: A laminated organic photosensitive material which comprises an electroconductive support, a charge producing layer and a charge transporting layer formed thereon wherein the charge producing layer contains X-type nonmetal phthalocyanine as a charge producing substance and the charge transporting layer contains an arylaldehydehydrazone derivative of the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each an alkyl or an aryl group.

Abstract: There is disclosed a laminated organic photosensitive material which comprises an electroconductive support, an undercoat, a charge producing layer and a charge transporting layer in sequence wherein the undercoat is composed of an alcohol soluble polyamide resin and wherein the charge producing layer contains X-type nonmetal phthalocyanine as a charge producing substance and a mixture of a vinyl chloride-etyhylene copolymer in an amount of 40-95% by weight and a vinyl chloride-vinyl acetate-maleic acid copolymer in an amount of 5-60% by weight based on the mixture as a binder resin for the layer.

Abstract: A laminated organic photosensitive material which comprises an electroconductive support, a charge producing formed thereon, wherein the charge transporting layer layer and a charge transporting layer contains a mixture of a bistyryl compound represented by the formula ##STR1## in an amount of 65-90% by weight based on the mixture as a first charge transporting substances and a further compound in an amount of 35-10% by weight based on the mixture as a second charge transporting substance, and the mixture has a glass transition temperature of not more than 45.degree. C.

Abstract: A laminated organic photosensitive material which comprises an electroconductive support, a charge producing layer and a charge transporting layer formed thereon wherein the charge producing layer contains X-type nonmetal phthalocyanine as a charge producing substance and a halogen-containing resin as a binder resin for the layer, and the charge transporting layer contains a hydrazone compound of the formula: ##STR1## as a charge transporting substance and a halogen-containing resin as a binder resin for the charge producing layer.

Abstract: In an electrophotographic light-sensitive material having a layer of a charge transporting substance and a layer of a charge producing substance on an electrically conductive support, the charge transporting substance is an arylaldehydehydrazone derivative of the general formula: ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each an alkyl or aryl group.

Abstract: A process for producing beryllium-copper alloys is disclosed, which comprises the steps of obtaining a cast ingot by melting an alloy essentially consisting of from 0.05 to 2.0% by weight of Be, form 0.1 to 10.0% by weight of at least one kind of Co and Ni, and the balance being substantially Cu, subjecting the thus obtained cast ingot to a solution treatment at a temperature range from 800.degree. to 1,000.degree. C., cold working, annealing at a temperature range from 750.degree. to 950.degree. C. being lower than the solution treating temperature, and then an age hardening treatment. The alloy may further contain from 0.05 to 4.0% by weight of at least one kind of Si, Al, Mg, Zr, Sn, and Cr in a total amount. By this producing process, the beryllium-copper alloys having higher strength and formability can be otained due to uniform and fine dispersion of solid-unsolved precipitate.