Abstract:
Provided is a toner in which faulty transfer under an extremely-low-temperature, low-humidity environment hardly occurs, including toner particles and a zeolite as an external additive, in which a ratio of the alminium atoms to a total of the silicon atoms and the aluminium atoms contained in the zeolite is 0.2 to 24.0%.
Abstract:
The present invention provides a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range, an electrochemical element produced by using the same and a sulfonic ester compound having a branched structure which is used for the same.The present invention relates to a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, which comprises a sulfonic ester compound represented by the following Formula (I) in an amount of 0.001 to 5% by mass of the nonaqueous electrolytic solution: (wherein R represents an alkyl group or an aryl group; A represents a >CH group or a >SiZ group (Z represents an alkyl group or an aryl group); X represents an alkyl group, a cycloalkyl group or an aryl group; Y represents a cycloalkyl group, a -L1CHRaOSO2Rb group or a —Si(Rc)(Rd)OSO2Rb group; W represents 1 or 2; Ra represents an alkyl group; Rb, Rc and Rd represent an alkyl group or an aryl group; L1 represents an alkylene group in which at least one hydrogen atom may be substituted with —OSO2Re (Re has the same meaning as that of R), a divalent linkage group containing at least one ether bond or a single bond).
Abstract:
A photosensitive unit includes: a photosensitive member that carries a developer image on a surface thereof; a primary roller, which contacts the surface of the photosensitive member, and which captures a foreign substance on the surface of the photosensitive member; a pair of primary bearing members that rotatably support axial end portions of the primary roller; a pair of pressing members that press the pair of primary bearing members toward the photosensitive member; and a pair of guide members that guide the pair of primary bearing members in a pressing direction in which the pair of pressing members press the pair of primary bearing members.
Abstract:
A nonaqueous electrolytic solution that provides a lithium secondary battery with excellent electrical capacity, cycling properties, storage properties and other battery characteristics and that maintains the battery characteristics for a long time; and a lithium secondary battery comprising it. A nonaqueous electrolytic solution comprising an electrolytic salt dissolved in a nonaqueous solvent, containing 0.1 to 10% by weight of an ethylene carbonate derivative represented by the general formula (I), and 0.01 to 10% by weight of (A) a triple bond-containing compound and/or (B) a pentafluorophenyloxy compound represented by the general formula (X), wherein formula (I) is: wherein R1 to R3 each independently represents a hydrogen atom, a halogen atom, an alkenyl group, an alkynyl group or an aryl group, provided that ethylene carbonate is excluded from the definition of the ethylene carbonate derivative; and wherein formula (X) is: wherein R15 represents an alkylcarbonyl group, an alkoxycarbonyl group, an aryloxycarbonyl group or an alkanesulfonyl group.
Abstract:
A shaft-receiving device connects a rotating member and a frame. The rotating member has a rotational axis extending in a first direction and at least one end in the first direction. The frame extends in a second direction perpendicular to the first direction and is formed with a through-hole having an inner peripheral surface. The shaft-receiving device includes a shaft-receiving portion and a pressing member. The one end is inserted into the shaft-receiving portion in the first direction. The shaft-receiving portion is inserted into the through-hole in the first direction and opposes the inner peripheral surface in the second direction. The pressing member opposes the inner peripheral surface in the second direction to press the rotating member toward the inner peripheral surface.
Abstract:
The present invention includes (1) an ester compound having a specific structure, (2) a nonaqueous electrolytic solution for lithium secondary battery comprising an electrolyte dissolved in a nonaqueous solvent and containing an ester compound having a specific structure in an amount of from 0.01 to 10% by weight of the nonaqueous electrolytic solution, which is excellent in initial battery capacity and cycle property, and (3) a lithium secondary battery comprising a positive electrode, a negative electrode and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution contains an ester compound having a specific structure in an amount of from 0.01 to 10% by weight of the nonaqueous electrolytic solution.
Abstract:
A bearing device to hold a rotor in an opening formed in a frame is provided. Circumference of the opening is formed to have a first edge and a second edge, which linearly extend along different directions from each other. The bearing device includes a flange member to be attached to an axial end portion of the rotor, a bearing member to be externally attached to the flange member and inserted in the opening, and a presser member to press the flange member toward a section between the first edge and the second edge.
Abstract:
According to one embodiment, an electronic apparatus includes a housing including a palmrest, and a honeycomb-shaped rib on an inner surface of the palmrest.
Abstract:
Disclosed are a nonaqueous electrolytic solution for lithium secondary battery comprising an electrolyte dissolved in a nonaqueous solvent and containing at least one compound represented by the formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; a lithium battery containing the electrolytic solution and excellent in low-temperature and high-temperature cycle property; and a formyloxy group-containing compound having a specific structure which is used in lithium batteries, etc. (wherein X represents an alkylene group, an alkenylene group or an alkynylene group; R1 represents H, an alkyl group, a cycloalkyl group or a group of the formula (II); R2 represents an alkyl group, a cycloalkyl group or a group of the formula (II); R3 to R7 each represent H, F, a methoxy group or an ethoxy group.)
Abstract translation:公开了一种锂二次电池的非水电解液,其包含溶解在非水溶剂中的电解质,并且含有至少一种由式(I)表示的化合物,其量为非水电解液的0.01〜10质量% 含有电解液的锂电池,低温高温循环性能优异; 和具有特定结构的含甲酰氧基的化合物,其用于锂电池等(其中X表示亚烷基,亚烯基或亚炔基; R 1表示H,烷基,环烷基或基团 式(II)的基团; R 2表示烷基,环烷基或式(II)的基团; R 3〜R 7各自表示H,F,甲氧基或乙氧基。
Abstract:
A non-aqueous electrolyte comprising (i) a non-aqueous solvent, especially mainly composed of a cyclic carbonate and a cyclic ester and optionally a linear carbonate, and (ii) an electrolyte salt, especially LiBF4, dissolved therein and (iii) a vinyl sulfone derivative having the formula (I): wherein R indicates a C1 to C12 alkyl group, C2 to C12 alkenyl group, or C3 to C6 cycloalkyl, and also a lithium secondary battery using the same are disclosed.