Abstract: A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.

Abstract: A fuel cell cartridge includes a fuel reservoir configured to supply a fuel to a fuel-cell power generation part and has a water-absorber configured to absorb water formed in the fuel-cell power generation part, at least on part of its outer surface. When the cartridge is attached to a fuel cell system, the fuel in the fuel reservoir is supplied to the fuel cell system. A power generation reaction in the fuel-cell power generation part yields electric power and water. The water is easily and reliably absorbed by the water-absorber without leakage to outside of the fuel cell system. The fuel cell cartridge has a simple structure, is easily handled, can easily and reliably recover water formed in the fuel cell, allows the recovered water to be easily disposed of upon recharge of the fuel and exhibits good recyclability.

Abstract: A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.

Abstract: A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.

Abstract: A solid electrolyte membrane for solid polymer fuel cells, or the like is provided that is chemically stable in a strong acid atmosphere, and has low methanol cross-over as well as high proton conductivity. The solid electrolyte membrane is manufactured, using an electrolyte composition comprising a sulfonic acid group-containing polymer having a specific triazine structure. This polymer can be synthesized, for example, from a sulfonic acid group-containing dihydroxy compound having a triazine structure, and a difluoride.

Abstract: An organic EL element includes an organometallic complex including a rhenium atom; one ligand which has a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium atom, and has at least one ? conjugation part; and the other ligand coordinated with the rhenium atom in such a way that the ligand saturates the coordination number of the rhenium atom and the charge of the whole organometallic complex is neutral.

Abstract: The present invention aims to provide metal complexes, suited to luminescent materials or color transfer materials in organic EL elements or lighting systems. The metal complexes according to the present invention comprise a metal atom, a tridentate ligand, and one of monodentate ligands and halogen atoms, wherein the tridentate ligand binds to the metal atom at three sites through three nitrogen atoms of a first nitrogen atom, a second nitrogen atom and a third nitrogen atom, and the one of monodentate ligands and halogen atoms binds to the metal atom. The metal complexes are preferably expressed by General Formula (1) shown below.

Abstract: An object of the invention is to provide an organic EL element which uses an organometallic complex emitting light by phosphorescence and which represents excellent luminous efficiency, etc; or the like. The organic EL element of the invention includes the organometallic complex, where the organometallic complex includes a metal atom, and a tridentate ligand, where the tridentate ligand binds to the metal atom tridentately via two nitrogen atoms and a carbon atom, and the carbon atom is located between the two nitrogen atoms, and where the tridentate ligand has two azomethine bonds (—C?N—), and each nitrogen atom in the azomethine bonds coordinates to the metal atom. Preferably, in one aspect, the organometallic complex includes a monodentate ligand which binds to the metal atom monodentately, and in another aspect, the metal atom is Pt.

Abstract: The present invention aims to provide organic EL elements etc., containing phosphorescent organometallic complexes, that can exhibit longer durability, higher emitting efficiency, superior thermal/electrical stability, significantly longer operating life. The organic EL elements comprise an organic thin layer interposed between a positive hole transport layer and a electron transport layer, the organic thin layer comprises an organometallic complex comprising at least a metal element, a tridentate ligand, and a monodentate ligand, wherein the tridentate ligand bonds with the metal atom through two nitrogen atoms and one carbon atom, and the carbon atom exists between the two nitrogen atoms, and a monodentate ligand bonds with the metal atom through a atom selected from the group consisting of C, N, O, P and S atoms.

Abstract: A spring with high durability has a coating film composed of an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of the coating film. A method of coating a spring with high durability comprises a coating step of making an epoxy resin powder coating containing softening agent which contains an epoxy resin and a softening agent comprising a thermoplastic resin for improving impact resistance of a coating film adhere to a surface on which the coating film is formed, and a baking step of baking the epoxy resin powder coating containing softening agent adhered to the surface.

Abstract: An object of the invention is to provide an organic EL element which uses an organometallic complex emitting light by phosphorescence and which represents excellent luminous efficiency, etc; or the like. The organic EL element of the invention includes the organometallic complex, where the organometallic complex includes a metal atom, and a tridentate ligand, where the tridentate ligand binds to the metal atom tridentately via two nitrogen atoms and a carbon atom, and the carbon atom is located between the two nitrogen atoms, and where the tridentate ligand has two azomethine bonds (—C?N—), and each nitrogen atom in the azomethine bonds coordinates to the metal atom. Preferably, in one aspect, the organometallic complex includes a monodentate ligand which binds to the metal atom monodentately, and in another aspect, the metal atom is Pt.

Abstract: An organic electroluminescent element contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene compound represented by following Structural Formuala (1): wherein R1, R6, R8 and R13 may be the same as or different from one another and each represent a group represented by following Structural Formula (2); and R2, R3, R4, R5, R7, R9, R10, R11, R12 and R14 each represent hydrogen atom or a substituent: wherein R15 and R16 may be the same as or different from each other and each represent one of hydrogen atom, an alkyl group and an aryl group, where R15 and R16 may be bound to each other directly or indirectly.

Abstract: The object of the present invention is to provide an organic EL element, and the like utilizing the aforementioned organometallic complex that shows phosphorescence light emission and that has excellent light-emitting efficiency, thermal and electrical stability, and long drive lifetime. The organic EL element of the present invention contains organometallic complex has properties comprising; a metal atom and, a terdentate ligand that is terdentate-bonded to this metal atom through two nitrogen atoms and a carbon atom, and the carbon atom is situated in-between these two nitrogen atoms, and a monodentate ligand that is monodentate-bonded to the aforementioned metal atom through one of the atom selected from a N atom, an O atom and a S atom, and also comprises a ring structure having a substituent group or substituted by a halogen atom at the position, excluding the para-position as compared with the metal atom.

Abstract: A fuel cell cartridge includes a fuel reservoir configured to supply a fuel to a fuel-cell power generation part and has a water-absorber configured to absorb water formed in the fuel-cell power generation part, at least on part of its outer surface. When the cartridge is attached to a fuel cell system, the fuel in the fuel reservoir is supplied to the fuel cell system. A power generation reaction in the fuel-cell power generation part yields electric power and water. The water is easily and reliably absorbed by the water-absorber without leakage to outside of the fuel cell system. The fuel cell cartridge has a simple structure, is easily handled, can easily and reliably recover water formed in the fuel cell, allows the recovered water to be easily disposed of upon recharge of the fuel and exhibits good recyclability.

Abstract: An electrophotographic toner comprising a binder resin and a colorant, which is used in electrophotographic process employing a flash fixing system for fixation of a transferred toner image, wherein the binder resin is a polyester resin which partially contains a chloroform-insoluble content; and the toner contains a polypropylene resin and an ester type structure resin represented by the following formula (I); wherein p, q, m and n each represents a positive integer of 16 to 22 and R may be the same or different and each represents a hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms. The electrophotographic toner is capable of remarkably enhancing the fixation strength of the toner and inhibiting the occurrence of voids during the printing and the occurrence of fuming and odor during the fixation.

Abstract: An organic EL element includes an organometallic complex including a rhenium atom; one ligand which has a coordinated nitrogen atom and a coordinated oxygen atom, each coordinated with the rhenium atom, and has at least one ? conjugation part; and the other ligand coordinated with the rhenium atom in such a way that the ligand saturates the coordination number of the rhenium atom and the charge of the whole organometallic complex is neutral.

Abstract: A solid electrolyte membrane for solid polymer fuel cells, or the like is provided that is chemically stable in a strong acid atmosphere, and has low methanol cross-over as well as high proton conductivity. The solid electrolyte membrane is manufactured, using an electrolyte composition comprising a sulfonic acid group-containing polymer having a specific triazine structure. This polymer can be synthesized, for example, from a sulfonic acid group-containing dihydroxy compound having a triazine structure, and a difluoride.

Abstract: elementAn organic electroluminescent element of the present invention contains a positive electrode, a negative electrode, and a thin organic layer arranged between the positive electrode and the negative electrode, wherein the thin organic layer comprises, as a luminescent material, a peropyrene compound represented by following Structural wherein R1, R6, R8 and R13 may be the same as or different from one another and each represent a group represented by following Structural Formula (2); and R2, R3, R4, R5, R7, R9, R10, R11, R12 and R14 each represent hydrogen atom or a substituent: wherein R15 and R16 may be the same as or different from each other and each represent one of hydrogen atom, an alkyl group and an aryl group, where R15 and R16 may be bound to each other directly or indirectly.

Abstract: A rotation particle display apparatus is disclosed that includes plural rotation particles for rotating in accordance with an applied electric field for displaying an image, each rotation particle having a first region and a second region. The first and second regions have different colors and different charge characteristics. When the rotation particles are viewed two-dimensionally from a direction where the borderline between the first and second regions is situated substantially at the center of the rotation particle and where the first region has an area which is substantially the same as that of the second region, the proportion of the rotation particles that satisfy a relation of 1.0?L/R?1.2 is 80% or more, where “L” represents the length of the borderline between the first and second regions, and “R” represents the diameter of a circle corresponding to a contour of the rotation particle.

Abstract: Provisions of a large screen, thin sheet-like display device capable of realizing usages just like paper, a sphere-like resin body made of two semispheres capable of being manufactured easily, and a microcapsule containing electrophoretic particles capable of being manufactured easily. The sheet-like display device 10 has a sheet-like display layer 12 and at least one layer 14 containing an element for activating the sheet-like display layer, the layers being integrally formed. The sphere-like resin body has first and second portions made of resins, the absolute value of a difference between both the solubility parameters &dgr;1 and &dgr;2 of the resins being |&dgr;1−&dgr;2|≧0.2. The phoretic particle-containing microcapsule has a resin shell in which phoretic particles are contained in a core. The diameter of the core is in a range from 10 &mgr;m to 200 &mgr;m and the circumferential length L of the microcapsule is in a range of (4.1×T)≦L≦(20.