Abstract: A film for a microfluidic device is capable of bonding to a polydimethylsiloxane substrate having flow channels formed in a surface thereof, and also exhibiting stable hydrophilicity even under high temperature and high humidity conditions and having scratch resistance. When the film can be used as a microfluidic device, the film is bonded to a polydimethylsiloxane substrate having flow channels formed in a surface thereof to form a liquid-tight flow channels. The film including a base material and a hydrophilic coating, wherein the hydrophilic coating includes a (meth)acrylic resin and from 65 to 95 mass % of unmodified nanosilica particles based on a total mass of the hydrophilic coating.

Abstract: Provided is a manufacturing method of carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries, wherein the carbonaceous material is obtained from plant-derived char as a source, potassium is sufficiently removed, and an average particle diameter thereof is small; and a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries. The method for manufacturing a carbonaceous material having an average particle diameter of 3 to 30 ?m, for a negative electrode of non-aqueous electrolyte secondary batteries includes the steps of: (1) heating plant-derived char having an average particle diameter of 100 to 10000 ?m at 500° C. to 1250° C. under an inert gas atmosphere containing halogen compound to demineralize in a gas-phase, (2) pulverizing a carbon precursor obtained by demineralization in a gas-phase, (3) calcining the pulverized carbon precursor at 1000° C. to 1600° C. under an non-oxidizing gas atmosphere.

Abstract: The object of the present invention is to provide a manufacturing method of carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries, wherein the carbonaceous material is obtained from plant-derived char as a source, potassium is sufficiently removed, and an average particle diameter thereof is small; and a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries. The object can be solved by a method for manufacturing a carbonaceous material having an average particle diameter of 3 to 30 ?m, for a negative electrode of non-aqueous electrolyte secondary batteries comprising the steps of: (1) heating plant-derived char having an average particle diameter of 100 to 10000 ?m at 500° C. to 1250° C. under an inert gas atmosphere containing halogen compound to demineralize in a gas-phase, (2) pulverizing a carbon precursor obtained by demineralization in a gas-phase, (3) calcining the pulverized carbon precursor at 1000° C. to 1600° C.

Abstract: The object of the present invention is to provide a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery which uses a plant-derived organic material as a raw material, has high purity so that alkali metals such as the potassium element and alkali earth metals such as the calcium element are sufficiently removed by de-mineral treatment, and has excellent discharge capacity and efficiency, a novel manufacturing method capable of efficiently mass-producing the carbonaceous material, and a lithium ion secondary battery using the carbonaceous material. The problem described above can be solved by a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery obtained by carbonizing a plant-derived organic material, the atom ratio (H/C) of hydrogen atoms and carbon atoms according to elemental analysis being at most 0.

Abstract: The object of the present invention is to provide a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery which uses a plant-derived organic material as a raw material, has high purity so that alkali metals such as the potassium element are sufficiently removed by de-mineral, and has excellent cycle characteristics, and to provide a lithium ion secondary battery using the carbonaceous material. The carbonaceous material for an anode of a nonaqueous electrolyte secondary battery is a carbonaceous material obtained by carbonizing a plant-derived organic material, the atom ratio of hydrogen atoms and carbon atoms (H/C) according to elemental analysis being at most 0.1, the average particle size Dv50 being from 2 to 50 ?m, the average interlayer spacing of the 002 planes determined by X-ray diffraction being from 0.365 nm to 0.400 nm, the potassium element content being at most 0.5 mass %, the calcium element content being at most 0.

Abstract: A hollow-fiber porous membrane of vinylidene fluoride resin, satisfying: a ratio Pmax/Pm of at most 2.0 between a maximum pore size Pmax and an average pore size Pm, and a Pm of 0.13 ?m-0.25 ?m, according to the half-dry/bubble point method (ASTM F316 and ASTM E1294); a coefficient of variation in outer surface pore size of at most 70%, and a porosity of 75-90%. The hollow-fiber porous membrane has a moderate average pore size, has a pore size distribution which is uniform as a whole and also on the outer surface, and has a high porosity, so that it shows not only a good pure water permeability but also retains a good water permeability even in continuous filtration of cloudy water.

Abstract: The object of the invention is to provide: a screen-like object made of hollow fibers, a method of manufacturing a hollow fiber bundle, a cylindrical module of hollow fiber membrane, and an immersion type module of hollow fiber membrane wherein the hollow fibers are easy to bundle while keeping fiber-to-fiber intervals. The screen-like object made of hollow fibers includes: porous hollow fibers 10 disposed parallel at even intervals, tapes 26 for tying together the hollow fibers respectively at both ends of the hollow fibers, and a water-soluble tape for tying together the hollow fibers at a position apart from both ends of the hollow fibers across the hollow fibers.

Abstract: The object of the invention is to provide: a hollow fiber bundle, a method of manufacturing the hollow fiber bundle, a cylindrical module of hollow fiber membrane, and an immersion type module of hollow fiber membrane wherein the hollow fibers are easy to apply scrubbing while maintaining specified intervals among the hollow fibers.

Abstract: An object of the present invention is to provide a potting agent that enables the reduction of crawling and ensures sufficient penetration between the porous hollow fibers in stationary potting. The potting agent of the present invention is a potting agent for fixing an end portion of a porous hollow fiber group composed of a plurality of porous hollow fibers, and contains a resin material and a filler. The content of the filler is equal to or less than the content of the filler at a rising point of a variation curve of viscosity of the potting agent to filler content.