Abstract: A carbon fiber bundle for resin reinforcement, wherein there are adhered by 0.1-5.0 mass % to a carbon fiber bundle in which multiple lengths of filament are bundled, a mixture created by mixing an organic polymer (A) having a mass-average molecular weight of 10000 or more and an organic compound (B) the thermal reduction rate specified in claim 1 of which is 5 mass % or more or an organic compound (B) the thermal reduction rate specified in claim 2 of which is 0.8 mass % or more, the amount of the organic polymer (A) adhered being 0.1 mass % or more.
Abstract: The present invention is: a horizontal heat treatment apparatus for continuously heat-treating by moving a continuous flat workpiece to be treated (carbon-fiber-precursor fiber bundles) back and forth in the horizontal direction on multiple levels inside a heat treatment chamber, the horizontal heat treatment apparatus being characterized by being provided with a sealing chamber (4) which is continuous from the entrance (6) side of the heat treatment chamber (2) in to which the workpiece to be treated is conveyed to the exit (6?) side thereof and that is vertically delimited by partition plates making a heat transfer zone in which 2 to 4 levels of the workpiece are transferred, among which the temperature of the workpiece transferred in a lower level is higher than the temperature of the workpiece transferred in a higher level. As a result, the horizontal heat treatment apparatus completely prevents leakage of poisonous gas produced in the heat treatment chamber, and effectively prevents energy loss.
Type:
Application
Filed:
July 1, 2014
Publication date:
December 22, 2016
Applicant:
MITSUBISHI RAYON CO., LTD.
Inventors:
Keishi MIZUNO, Youji HATANAKA, Hitoshi TOMOBE, Yusuke OKA
Abstract: The present invention relates to a polyester resin which comprises a constituent unit represented by general formula (1), a constituent unit derived from a compound having a bisphenol skeleton and a constituent unit derived from a polyvalent carboxylic acid, and wherein the constituent unit derived from a compound having a bisphenol skeleton is contained in an amount of 20 parts by mole or more per 100 parts by mole of the constituent unit derived from a polyvalent carboxylic acid. The present invention is able to provide a polyester resin which has excellent solubility in a solvent and excellent pulverization properties, and which provides a toner having excellent storage stability.
Abstract: A pressure vessel comprises a liner formed by blow-molding; an FRP layer covers the outer surface of the liner; and a stock comprising a stock main body, formed from metal with a cylindrical section passing through the liner and FRP layer and a circular metal flange section projecting outward from one end of the cylindrical section in the radial direction of the cylindrical section, and a molded piece, formed of a synthetic resin, covers at least the outer circumferential surface of the cylindrical section and all the metal flange section of the stock main body, has a circular resin flange section projecting outward from the edge of the metal flange section that faces outward in the radial direction, and adheres to the inner surface of the liner. The resin flange section comprises an upper surface, an outer circumferential edge surface and a lower surface.
Abstract: A polymer powder (P) selected from a group consisting of (i) a polymer powder (P1) and (ii) a polymer powder (P2) is provided. The (i) polymer powder (P1) includes a (meth)acrylate-based polymer (A1) having a glass transition temperature of 0° C. or less, and the polymer powder has an acetone-soluble component of 5 mass % or more. The acetone-soluble component has a mass average molecular weight of 100,000 or more. The (ii) polymer powder (P2) has an acetone-soluble component of 2 mass % to 35 mass %, the acetone-soluble component has a mass average molecular weight of 100,000 or more, and has a volume average primary particle size (Dv) of 200 nm or more.
Abstract: A fine-concave-convex transfer mold with which defect regions of a molded body having a fine-concave-convex structure can be easily identified, and deformation of the fine-concave-convex structure can be inhibited even if the molded product is wound. A mold for the production of an optical article has, provided to a surface thereof, a plurality of convex portions at a cycle equal to or less than the wavelengths of visible light, and a plurality of concave portions formed between the adjacent convex portions. The mold has a surface provided with a transfer area having concave portions and convex portions that have a size and shape complementing the convex portions and the concave portions of the optical article. The mold can include, in the transfer area, marking portions. The height of the convex portions in the transfer area is less than the height of convex portions in sections other than the transfer area.
Abstract: A first fixing member which fixes to a membrane module unit a tubular member with a protrusion formed at a tip end or near the tip end for connecting a membrane module of the membrane module unit and a water collecting header to form a filtrate flow path from the membrane module to the water collecting header, the first fixing member includes: a fixing member main body which includes an engaging surface formed at a position at which the fixing member main body engages with the protrusion formed in the tubular member; and a second fixing member which fixes the fixing member main body to the membrane module unit.
Abstract: In a protective film affixed to a microscopic roughness structure having a microscopically rough structure on the surface, water contact angle of the surface of the microscopic roughness structure is 40° or less, compressive stress obtainable when the adhesive layer of the protective film is compressed to a compression ratio of 20% is 0.6 MPa to 3.0 MPa; in the infrared absorption spectrum of the surface on the microscopically rough structure side of the microscopic roughness structure, ratio (A1/A2) of peak area A1 having absorption maximum of 3700 cm?1 to 3100 cm?1, and peak area A2 having absorption maximum of 1730±10 cm?1, is 0.1 to 0.8; in the surface of adhesive layer of the protective film, ratio (B1/B2) of peak area B1 having absorption maximum of 3700 cm?1 to 3100 cm?1, and peak area B2 having absorption maximum of 1730±10 cm?1, is 0.6 to 1.3.
Abstract: The present invention relates to a method for manufacturing a fiber-reinforced composite material molding, having a step (A) for forming a plurality of partial preforms, each having a partial shape obtained by dividing the three-dimensional shape of a target fiber-reinforced composite material molding, by cutting a prepreg sheet containing reinforcing fibers and a matrix resin composition, and by preshaping the cut prepreg pieces; a step (B) for forming a preform having the three-dimensional shape of the target fiber-reinforced composite material molding by combining and integrating the plurality of partial preforms; and a step (C) for producing a fiber-reinforced composite material molding by compression-molding the preform, wherein the step (B) includes arranging a foamable material between the plurality of partial preforms when they are combined.
Abstract: An image reading method realizing more rapid detection time and reduced volume of detection data during reading of fluorescence intensity from a fluorescence image that reads a fluorescence image from a sample in which a plurality of fluorescent regions are present, and includes: (a) setting a first image capture condition, (b) capturing a fluorescence image in the first image capture condition, (c) calculating a fluorescence intensity of each of plural regions in the captured fluorescence image, (d) determining whether to end image capture based on the calculated fluorescence intensities of the regions, (e) setting a next image capture condition based on the fluorescence intensities of the regions calculated in (c) when a decision is made in (d) not to end image capture, (f) capturing a fluorescent image in the next image capture condition, and (g) repeating (c) through (f) until a determination is made in (d) to end image capture.
Abstract: A resin composition comprising 100 parts by mass of a polymer (A) and 0.5 parts to 60 parts by mass of a high dielectric material (B), the high dielectric material (B) having a relative dielectric constant at 20° C. of 10 or more, a melting point of 45° C. or lower, and a boiling point of 150° C. or higher.
Type:
Application
Filed:
December 11, 2014
Publication date:
December 1, 2016
Applicant:
MITSUBISHI RAYON CO., LTD
Inventors:
Hiroshi OKAFUJI, Osamu KAWAI, Hideto YAMAZAWA, Masahiko ONO
Abstract: Provided is a plate-type light guide (4) in which two opposing main surfaces are set as light emitting surfaces (6A, 6B) and at least one side-edge surface is set as a light incidence surface (5). In such a light guide, a light emitting mechanism (6) is provided in at least one region of at least one main surface; the haze value is 3% or lower in the region where the light emitting mechanism is provided; when a perfect diffuse light enters through at least one light incidence surface (5), a maximum emission angle (?A, ?B), at which maximizes the intensity of emitted light (8) from the main surface is in a range from ?60 degrees to +60 degrees with respect to a normal line to the main surface; and the utilization efficiency of emitted light is 15% or greater.
Abstract: A resin composition for a light guide article-preform is described, which enables the formation of a foamed layer having a large light scattering effect on the surface of a shaped article by laser irradiation processing at low cost. More specifically, the present invention relates to: a resin composition for a light guide article-preform, which contains a resin having a mass average molecular weight of 60,000 to 150,000, and has a 30% thermal mass reduction temperature of 310° C. or lower and a difference between a 40% thermal mass reduction temperature and a 20% thermal mass reduction temperature of 7° C. or less when a thermal mass measurement is performed with starting from the state at 100° C. under air at a temperature rising rate of 5° C./min.
Abstract: Provided is a microarray processing apparatus which is capable of sufficiently washing a microarray. The microarray processing apparatus (30) includes a well plate (38) in which one or two or more wells (40) are formed, each well (40) accommodating a microarray (1), and a suction nozzle (46) that suctions a liquid from the well. The well has a concave portion whose upper end is opened, which has a depth equal to or greater than a height of the microarray, and into which a front end of the suction nozzle can be inserted up to a height position of a lower end of the microarray accommodated in the well. The suction nozzle can relatively descend in the well until the front end of the suction nozzle is located at the height position of the lower end of the microarray accommodated in the well.
Abstract: Provided are a catalyst whereby isobutylene can be produced at high yield in a lower-temperature environment, and a method for producing isobutylene using the catalyst. The catalyst for producing isobutylene is an oxide including at least one element selected from molybdenum and tungsten, and at least one element selected from tantalum, niobium, and titanium.
Type:
Application
Filed:
August 4, 2016
Publication date:
November 24, 2016
Applicants:
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, MITSUBISHI RAYON CO., LTD.
Abstract: Provided is an optical fiber which has exceptional heat resistance and is highly safe. This optical fiber has a core, and a sheath of a least one layer around the outside circumference of the core, the sheath including a polymer that contains a repeating unit (A) derived from a fluoroalkyl (meth)acrylate having a specific structure.
Abstract: The invention relates to a vinyl chloride resin composition and a vinyl chloride resin molded article obtained by molding the vinyl chloride resin composition, wherein the vinyl chloride resin composition contains a vinyl chloride resin (A), a stabilizer (B) as a compound containing at least one of calcium and zinc, and a processing auxiliary (C). The processing auxiliary (C) is a copolymer containing 19 mass % to 95 mass % of a methyl methacrylate monomer (c1) unit and 5 mass % to 81 mass % of an alkyl methacrylate monomer (c2) unit having a C3-C5 alkyl group.
Abstract: A graft copolymer capable of providing impact resistance, flame retardance, and color rendering properties to a thermoplastic resin is described. The graft copolymer contains a polyorganosiloxane, and is obtained by graft-polymerizing vinyl monomers including a (meth)acrylate ester (b1) having an alkyl group or an aromatic group and an aromatic vinyl monomer (b2) on a polyorganosiloxane-based rubber. The graft copolymer has a volume average particle diameter of 200-2000 nm, and contains 0.1-69 mass % of polyorganosiloxane. A thermoplastic resin composition is also described, containing a thermoplastic resin (A), the graft copolymer, a fluorine resin (C) and a flame retardant (D). A molded article is also described, which is obtained by molding the thermoplastic resin composition.