Abstract: The present invention relates to a method of filtering an oil, the method including the following steps (A) and (B): (A) allowing a hydrophobic gas to permeate through a porous membrane including a hydrophobic polymer as a main component; and (B) allowing an oil to permeate through the porous membrane, in which the step (B) is performed after the hydrophobic gas that has permeated through the porous membrane is confirmed to have a relative humidity of 0 to 60% in the step (A).
Abstract: The present invention provides a technology in production of a prepreg and enhances the production efficiency, in which the technology allows the arrangement property and rectilinearity of reinforcing fibers to be well maintained and allows any resin to be applied stably at a high speed. A prepreg is produced by a method which includes: discharging a molten resin in planar form to form a resin film, and applying the resin film onto a reinforcing fiber sheet conveyed continuously, wherein the reinforcing fiber sheet is conveyed substantially in the horizontal direction, and wherein an angle made between the discharge direction of the resin and the conveyance direction of the reinforcing fiber sheet 1a is 80° or less.
Abstract: A polyamide-610 filament has high strength and excels in fluff quality. The polyamide-610 multifilament has a sulfuric acid relative viscosity of 3.3-3.7, a strength of 7.3-9.2 cN/dtex, and an elongation of 20-30%, wherein the number of fluffs is 0/10000 m to 4/10000 m and a total fineness is 420 dtex to 1500 dtex.
Abstract: A method produces polyamide fine particles by polymerizing a polyamide monomer (A) in the presence of a polymer (B) at a temperature equal to or higher than the crystallization temperature of a polyamide to be obtained, wherein the polyamide monomer (A) and the polymer (B) are homogeneously dissolved at the start of polymerization, and polyamide fine particles are precipitated after the polymerization. Polyamide fine particles have a number average particle size of 0.1 to 100 ?m, a sphericity of 90 or more, a particle size distribution index of 3.0 or less, a linseed oil absorption of 100 mL/100 g or less, and a crystallization temperature of 150° C. or more. In particular, a polyamide having a high crystallization temperature includes fine particles having a smooth surface, a narrow particle size distribution, and high sphericity.
Abstract: Provided is a feather separation system for separating feathers from a product in which feathers are filled into a bag-shaped product of a covering. The feather separation system includes: a cutting part configured to cut the product into individual pieces so that at least a part of the bag-shaped product of the covering is open; a feather separation part configured to separate the individual pieces of the product into the feathers and the covering; and an airflow introduction part configured to introduce airflow to the feather separation part.
Abstract: A black resin composition is provided that presents an achromatic reflected color tone, has a high visible-light-blocking ability and a high near-infrared penetrability, and exhibits a smaller amount of transmitted scattered light, where the black resin composition includes (A) a resin, (B) a colorant, and (C) an organic solvent, wherein the black composition includes a red pigment and a blue pigment as (B) the colorant, wherein amount of the red pigment is 20 to 80 wt % with respect to the total amount of (B) the colorant, and wherein crystalline size of the red pigment in a colored film composed of a cured product of the black resin composition is 5 nm or more and 25 nm or less, as calculated from a half bandwidth determined from a main peak of an X-ray diffraction spectrum obtained using CuK? rays as an X-ray source.
Abstract: An object of the present invention is to provide a gas diffusion electrode that is less likely to cause damage to an electrolyte membrane or the like due to fluff in an outer peripheral portion during production of a membrane electrode assembly. The present invention provides a gas diffusion electrode including a conductive porous substrate containing carbon fibers and a microporous layer formed on a surface of the conductive porous substrate, in which the gas diffusion electrode satisfies at least one of the following (1) and (2): (1) the number of carbon fibers protruding from an edge portion by 20 ?m or more when viewed from a plane surface is less than 1.0 number/cm with respect to a length of the edge portion; and (2) the number of carbon fibers that are inclined at an angle of 30° or more in an in-plane direction of the gas diffusion electrode and have lengths of 10 ?m or more when viewed from a side surface of the edge portion is less than 1.0 number/cm with respect to the length of the edge portion.
Abstract: The present invention relates to a novel di-amine compound, a heat-resistant resin using the di-amine compound, and a resin composition using the heat-resistant resin, and a cured film excellent in chemical resistance and film properties even by a thermal treatment at a low temperature of 200° C. or less can be obtained. The novel di-amine compound is represented by the general formula (1). The heat-resistant resin composition of the present invention or the resin composition can be suitably used in a surface protective film and an interlayer dielectric film of a semiconductor device, a dielectric layer or a planarizing layer of an organic electroluminescent element (organic EL), or the like.
Abstract: A liquid crystal polyester resin for laminate, wherein, in a molecular weight distribution of an absolute molecular weight measured by a gel permeation chromatograph/light scattering method, an area fraction of a portion having an absolute molecular weight of 10,000 or less is 10 to 40%, and an area fraction of a portion having an absolute molecular weight of 50,000 or more is 3 to 20%, relative to 100% of the total peak area.
Abstract: A fiber-reinforced composite material including reinforcing fiber layers and a resin layer sandwiched therebetween, wherein conductive particles having a sphericity of 85% or more are disposed in the resin layer, and the fiber-reinforced composite material has a portion where upper and lower reinforcing fiber layers are connected by one conductive particle and has a portion where a conductive particle is sunk in a reinforcing fiber layer. Provided is a fiber-reinforced composite material having sufficient electrical conductivity in a thickness direction with a small addition amount of conductive particles.
Abstract: This disclosure relates to a nucleic acid collection column that collects a nucleic acid from a liquid sample containing the nucleic acid. The nucleic acid collection column includes a sample injection portion having an opening into which the liquid sample containing the nucleic acid is injected, a support adsorption portion that houses a support for adsorbing the nucleic acid and in which the nucleic acid is adsorbed on the support, and a discharge portion that discharges a liquid passed through the support adsorption portion. The support includes aluminum oxide having a surface where a water-soluble neutral polymer is adsorbed. A space that houses the support in the support adsorption portion has a cylindrical shape, and has a volume of 0.13 ?L or more and 13.5 ?L or less. An aspect ratio (d1/d2) of the space satisfies 1.0?d1/d2<15.0.
Type:
Grant
Filed:
October 30, 2019
Date of Patent:
October 24, 2023
Assignee:
Toray Industries, Inc.
Inventors:
Shota Sekiguchi, Takahiro Motoshiromizu, Masateru Ito
Abstract: A fiber-reinforced resin molding material molded product includes a fiber-reinforced resin molding material prepared by impregnating chopped fiber bundles obtained by cutting a reinforcing fiber bundle with a matrix resin, wherein in a region excluding 30 mm from an edge of the molded product, when an arbitrary rectangular region having an area of 40 mm2 or more and defined by a thickness of the molded product and a width in a direction perpendicular to a thickness direction of the molded product is set in a cross section in an arbitrary thickness direction of the molded product, with respect to a bundle thickness of the chopped fiber bundles present in the set rectangular region.
Type:
Grant
Filed:
March 9, 2020
Date of Patent:
October 24, 2023
Assignee:
Toray Industries, Inc.
Inventors:
Yusuke Yamanaka, Takafumi Hashimoto, Tetsuya Motohashi, Yasukazu Ono
Abstract: The present invention aims to provide an electronic device housing that is able to maintain the antenna performance without deteriorating the radio communication performance, excellent in terms of the degree of warpage and dimensional accuracy, and mass productivity. The electronic device housing includes a fiber reinforcing member (a) and a fiber reinforcing member (b), wherein the fiber reinforcing member (a) contains a resin (a1) and a fiber (a2), the fiber (a2) being in the form of discontinuous fibers; the fiber reinforcing member (b) contains a resin (b1) and a fiber (b2), the fiber (b2) being in the form of continuous fibers; the projected area of the fiber reinforcing member (a) accounts for 60% or more of the total projected area, which accounts for 100%, of the housing projected onto the plane of the top face; and requirements (i) and/or (ii) given below are met: (i) the resin (a1) is a thermoplastic resin having a melting point of more than 265° C.
Abstract: A polypropylene film has an excellent long-term operating reliability in a high temperature environment when used in a high-voltage capacitor, which is suitable for use in such capacitor applications and the like, and which has an excellent structural stability to heat; and a metal film-laminated film and a film capacitor including the same. The polypropylene film, wherein the relationship between the sum (E?135 (MD+TD)) of the storage moduli in the machine direction and the transverse direction of the film, as determined by solid viscoelasticity measurement at 135° C., and the sum (E?125(MD+TD)) of the storage moduli, as determined by solid viscoelasticity measurement at 125° C., satisfies formula (1): E?135(MD+TD)/E?125(MD+TD)>0.7??(1).
Type:
Grant
Filed:
August 20, 2019
Date of Patent:
October 24, 2023
Assignee:
Toray Industries, Inc.
Inventors:
Yasuyuki Imanishi, Masatoshi Ohkura, Yuta Nakanishi
Abstract: The invention aims to provide an electronic device housing that can maintain the antenna performance without deteriorating the radio communication performance, ensures uniform characteristics as one molded electronic device housing in spite of consisting of a plurality of members, and show excellent features in terms of the degree of warpage and dimensional accuracy as well as small deformation in high temperature environments and high mass productivity.
Abstract: Disclosed is a polymetalloxane including a constituent unit represented by the following general formula (1), which stably exists in a transparent and uniform state in a solution and can form a homogeneous cured film: wherein R1 is an organic group and at least one of R1 is an (R33SiO—) group, R3 is optionally selected from specific groups, R2 is optionally selected from specific groups, when plural R1, R2, and R3 exist, they may be the same or different, M represents a specific metal atom, m is an integer indicating a valence of a metal atom M, and a is an integer of 1 to (m?2).
Abstract: The present invention relates to a separation membrane including a thermoplastic polymer selected from a cellulose ester and a polyamide, in which, when regions obtained by dividing a cross-sectional surface perpendicular to a longitudinal direction of the separation membrane into 5 at an equal interval are defined as regions 1 to 5, all the regions 1 to 5 have a number average pore diameter changing rate ?i of ?0.25 to 0.25, and at least one of the regions 1 to 5 is a region P that satisfies conditions (a) and (b): (a) a value of area average pore diameter Ds/number average pore diameter Dn is 2.50 to 6.00; and (b) a number average W of fine pores that are located at a distance smaller than La from a center of respective coarse pores is 10 to 30.
Abstract: The following configuration is adopted for the purpose of solving reduction in strength and rigidity at a weldline which is a problem of an injection molding body, and enabling free design such as thin wall molding or complex shape molding of the injection molding body. That is, there is provided an integrally molded body in which a substrate for reinforcement (a) having a discontinuous fiber (a1) and a resin (a2) and an injection molding body (b) having a discontinuous fiber (b1) and a resin (b2) are integrated, the substrate for reinforcement (a) covering a part or all of a weldline of the injection molding body (b) to be integrated with the injection molding body (b), the ratio of thickness Ta of the substrate for reinforcement (a) to thickness T of a weldline part of the integrally molded body satisfying relational expression: in a case of Ea?Ebw, Ta/T?((Ebw??(Ea·Ebw))/(Ebw?Ea)) in a case of Ea=Ebw, Ta/T?0.
Abstract: LED display devices emit light in all directions. Therefore, light is absorbed by peripheral insulating films for insulation of wiring, protective films, partition walls, and the like, and the light-extraction efficiency of a display becomes reduced, resulting in insufficient luminance. According to the present invention, such a problem is solved. This display device comprises at least: a metal wiring; a cured film; and a plurality of light-emitting elements. Each of the light-emitting elements is equipped with a pair of electrode terminals on one surface thereof. The pair of electrode terminals are connected to a plurality of strands of the metal wiring extending in the cured film. The plurality of strands of the metal wiring are configured to maintain electrical insulating properties due to the cured film. The cured film is obtained by curing a resin composition containing a resin (A).
Abstract: A bonding system includes a supporting jig having a mounting surface on bonding substrates which are mounted, a bonding device that sandwiches and welds the bonding substrates between itself and the mounting surface, an articulated robot to which the bonding device is attached, and a control unit that controls the articulated robot and the bonding device.
Type:
Grant
Filed:
March 23, 2018
Date of Patent:
October 17, 2023
Assignees:
TOYOTA CUSTOMIZING & DEVELOPMENT CO., LTD., AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, TORAY INDUSTRIES, INC., TEIJIN LIMITED, KOMATSU LTD., SUBARU CORPORATION