Abstract: A thermoplastic resin composition includes a graft copolymer (A) obtained by graft copolymerization of a monomer mixture (a) that includes at least an aromatic vinyl monomer (a1) and a (meth)acrylate monomer (a2), but does not practically contain a vinyl cyanide monomer (a3), in the presence of a rubbery polymer (r) having a refractive index of not lower than 1.510 and not higher than 1.520; and a vinyl copolymer (B). An acetone insoluble component (C) of the thermoplastic resin composition does not practically contain a vinyl cyanide monomer-derived unit. An acetone soluble component (D) of the thermoplastic resin composition contains the vinyl cyanide monomer-derived unit. The content of the vinyl cyanide monomer-derived unit is not lower than 2% by mass and not higher than 20% by mass relative to 100% by mass of the acetone soluble component (D).
Abstract: A light source unit is provided which makes an excellent contrast between the black display portions and the white display portions if mounted on a display, while having a high frontal luminance. The light source unit includes: a light source; a color conversion material that converts incident light from the light source into light having a longer wavelength than the incident light; and a reflective film that exists between the light source and the color conversion material and that transmits light from the light source incident perpendicularly on the film surface and reflects light from the color conversion material incident perpendicularly on the film surface; wherein the P-Polarized light of the light incident from the light source on the reflective film surface at an angle of 20°, 40°, and 60° is reflected at a reflectance of R20(%), R40(%), and R60(%) respectively, which satisfy R20<R40<R60.
Abstract: The purpose of the present invention is to provide a graphene dispersion which has high dispersibility and which is capable of exhibiting high electrical conductivity and ionic conductivity when used as a raw material for producing an electrode material. The present invention provides a graphene dispersion including a graphene, an amine compound having a molecular weight of 150 or less, and an organic solvent, wherein the mass ratio of an amine compound to the graphene is 0.005 or more and 0.30 or less.
Abstract: One purpose of the present invention is to provide an epoxy resin composition which is for obtaining a fiber-reinforced composite material that combines heat resistance with tensile strength on a high level. The other purpose is to provide: a fiber-reinforced composite material obtained using this epoxy resin composition; and a molded article and a pressure vessel both containing the fiber-reinforced composite material. The present invention has the following configuration in order to achieve the above purposes. Namely, the epoxy resin composition includes the constituent element [A]: An epoxy resin including an aromatic ring and having a functionality of 2 or higher and the following constituent element [B]: An acid anhydride-based hardener, and is characterized in that a cured object obtained by curing the epoxy resin composition has a rubber-state modulus of 10 MPa or less when evaluated for dynamic viscoelasticity and the cured object has a glass transition temperature of 95° C. or higher.
Abstract: Provided is a spunbond nonwoven fabric which is made of a polypropylene fiber and satisfies all of the following conditions A to E: A. the average single fiber diameter of the fiber is 6-17 ?m; B. the degree of crystal orientation of the fiber as obtained by wide-angle X-ray diffraction is at least 0.91; C. the crystallite size of the (110) plane of the fiber as obtained by wide angle X-ray diffraction is at least 12 nm; D. the average orientation parameter of the fiber as obtained by Raman spectroscopy is at least 8.0; and E. the complex viscosity of the spunbond nonwoven fabric at a temperature of 230° C. is 20-100 Pa·sec at an angular frequency of 6.3 rad/sec.
Abstract: One object of the present invention is to provide a polyolefin resin foam sheet suitable as a sealing substrate having both flexibility and heat resistance despite its thinness, and an adhesive tape in which the polyolefin resin foam sheet is used. In order to achieve this, the polyolefin resin foam includes a thermoplastic elastomer, wherein the endothermic peaks measured by a differential scanning calorimeter (DSC) occur in the range of at least 110° C. or more and 143° C. or less and at 153° C. or more, and the thermoplastic elastomer resin is contained at a ratio of 30% by mass or more and 60% by mass or less in 100% by mass of the polyolefin resin.
Abstract: One purpose of the present invention is to provide an epoxy resin composition which is for obtaining a fiber-reinforced composite material that combines heat resistance with tensile strength on a high level. Another purpose is to provide: a fiber-reinforced composite material obtained using this epoxy resin composition; and a molded article and a pressure vessel both containing the fiber-reinforced composite material. The present invention has the following configuration in order to achieve the above purposes. Namely, the epoxy resin composition includes the constituent element [A]: An epoxy resin including an aromatic ring and having a functionality of 2 or higher and the following constituent element [B]: An amine-based hardener, and is characterized in that a cured object obtained by curing the epoxy resin composition has a rubber-state modulus of 10 MPa or less when evaluated for dynamic viscoelasticity and the cured object has a glass transition temperature of 95° C. or higher.
Abstract: A fiber-reinforced thermoplastic-resin base includes continuous reinforcing fibers aligned in parallel to each other and a thermoplastic resin is impregnated thereinto, wherein the base has a fiber volume content of 40-65 vol % and a dispersion parameter D of the fibers, determined by (i)-(iv), of 90% or more: (i) a cross-section of the fiber-reinforced thermoplastic-resin base that is perpendicular to the alignment direction of the reinforcing fibers is divided into a plurality of sections, and one of the sections is photographed, (ii) the photograph image of the section is divided into a plurality of square units each having a one-side length t, (iii) a dispersion parameter d is calculated, (iv) with respect to other sections, (i) to (iii) are repeatedly performed, and an average value of dispersion parameters d of the plurality of sections is dispersion parameter D.
Abstract: A prepreg includes a fiber layer containing unidirectionally arranged carbon fibers impregnated with a thermosetting resin and a resin layer existing on at least one side of the fiber layer and containing a thermosetting resin and a thermoplastic resin insoluble in the thermosetting resin. The prepreg contains carbon fibers having an areal weight of fibers of 120 to 300 g/m2 and has a weight fraction of resin of 25 to 50 mass %. An extreme value frequency of a surface geometry along a straight line perpendicular to the fibers of the prepreg is 30 points/mm or less when the prepreg has been exposed, for 24 hours, to a temperature at which a coefficient of interlayer friction is the lowest. Using sheets of the prepreg which are laid up, the coefficient of interlayer friction of the prepreg is measured at 10° C. intervals in a temperature range of 40 to 80° C. under the conditions: a pulling speed of 0.2 mm/min, a perpendicular stress of 0.1 bar, and a pulling displacement of 1 mm.
Abstract: Provided is a black pigment that enables pattern formation of pixel division layer while suppressing generation of development residue. The black pigment comprises (a) a core containing at least one organic black pigment selected from the group consisting of benzodifuranone-based black pigments, perylene-based black pigments, azo-based black pigments, and isomers thereof and (b) a coating layer containing silica and/or a metal oxide and/or a metal hydroxide.
Abstract: An elastic roll includes: a roll core; an inner-layer laminate covering an outer-peripheral surface of the roll core parallel to a roll longitudinal direction; a surface-layer elastomer including a tubular portion covering an outer-peripheral surface of the inner-layer laminate, and edge portions connected to the tubular portion, covering both end surfaces of the inner-layer laminate orthogonal to the roll longitudinal direction, and arranged in a manner being in contact with the roll core; and end-portion sealing structural bodies configured to press the edge portions of the surface-layer elastomer against the roll core.
Abstract: An antithrombogenic metallic material includes a metallic material whose surface is coated with a coating material, the coating material containing: a phosphonic acid derivative or a catechol derivative; a polymer containing, as a constituent monomer, a compound selected from the group consisting of alkyleneimines, vinylamines, allylamines, lysine, protamine, and diallyldimethylammonium chloride; and an anionic compound containing a sulfur atom and having anticoagulant activity; the polymer being covalently bound to the phosphonic acid derivative or the catechol derivative, the phosphonic acid derivative or the catechol derivative being bound to the metallic material through a phosphonic acid group or a catechol group thereof, wherein the abundance ratio of nitrogen atoms to the abundance of total atoms as measured by X-ray photoelectron spectroscopy (XPS) on the surface is 4.0 to 13.0 atomic percent.
March 31, 2016
Date of Patent:
July 14, 2020
Toray Industries, Inc.
Koji Kadowaki, Masaki Fujita, Yuka Sakaguchi, Kazuhiro Tanahashi
Abstract: The purpose of the present invention is to provide a graphene which has high dispersibility, high electrical conductivity and oxidation resistance namely a graphene which has high electrochemical stability. In order to achieve the above-described purpose, a surface-treated graphene according to the present invention is obtained by having a compound represented by general formula (1) or a neutralized salt thereof adhere to a graphene.
Abstract: To provide a medical device including a substrate and a hydrophilic polymer layer formed on at least a part of the substrate, which satisfies the following conditions (a) to (d): (a) a polymer constituting the hydrophilic polymer layer is a hydrophilic polymer having an acidic group; (b) the hydrophilic polymer layer has a thickness of 1 nm or more and less than 100 nm; (c) a number ratio of basic group/acidic group of the hydrophilic polymer layer is 0.2 or less; and (d) a liquid film retention time at 40 minutes after ultrasonic cleaning in a phosphate buffer solution is 15 seconds or more. The present invention provides a medical device in which a surface of a substrate is hydrophilized, and a method for manufacturing same by a simple method.
Abstract: The present invention provides a kit or device for the detection of biliary tract cancer, and a method for detecting biliary tract cancer. The present invention relates to a kit or device for the detection of biliary tract cancer, comprising a nucleic acid capable of specifically binding to miRNA in a sample of a subject, and a method for detecting biliary tract cancer, comprising measuring the miRNA in vitro.
March 18, 2020
July 9, 2020
TORAY INDUSTRIES, INC., NATIONAL CANCER CENTER
Abstract: An objective of the present disclosure is to provide an adsorption material that can selectively adsorb immunosuppressive leukocyte. The present disclosure provides an adsorption material for immunosuppressive leukocyte. The adsorption material includes a water-insoluble carrier to which at least one nitrogen-containing compound selected from a polyamine represented by a predetermined formula and aliphatic amines represented by predetermined formulae are bound. A form of the water-insoluble carrier is a fiber or a particle, a diameter of the fiber or the particle is 15 to 50 ?m, and an arithmetic mean roughness of a surface of the water-insoluble carrier is 0.1 to 3.0 ?m.
September 7, 2018
July 9, 2020
TORAY INDUSTRIES, INC., NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE
Abstract: A photosensitive resin composition which contains a compound represented by general formula (1). (In general formula (1), R1-R4 may be the same or different, and each represents a hydrogen atom or an organic group having 1-4 carbon atoms; and X represents a tetravalent organic group having two or more structural units represented by general formula (2) in the main chain.) (In general formula (2), R5 represents a hydrogen atom or an alkyl group having 1-20 carbon atoms, and a plurality of R5s in the same molecule may be the same or different.) Provided is a photosensitive resin composition which enables the achievement of a cured film having low stress after being heated and fired, and which has excellent long-term stability, high sensitivity and high resolution.
Abstract: A color conversion composition that converts incident light into light having a wavelength longer than that of the incident light includes: a compound represented by Formula (1): (R1 to R4 are the same or different from each other and selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, an aralkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, a hydroxy group, a mercapto group, an alkoxy group, an alkylthio group, an aryl ether group, an aryl thioether group, an aryl group, a heteroaryl group, a heterocyclic group, a halogen, a haloalkane, a haloalkene, a haloalkyne, a cyano group, an aldehyde group, a carbonyl group, a carboxy group, an ester group, a carbamoyl group, an amino group, a nitro group, a silyl group, a siloxanyl group, and a ring structure formed between adjacent substituents; Ar1 to Ar4 are aryl groups and Ar1 ? Ar2 or Ar3 ? Ar4, and Ar5 is an aryl group or a heteroaryl group); and a binder resin.
June 23, 2016
Date of Patent:
July 7, 2020
Toray Industries, Inc., Toray Chemical Korea Incorporated
Masaaki Umehara, Jinwoo Kwon, Hyo-seok Kim