Abstract: A plastic scintillating fiber includes: a core containing a transparent resin having scintillating properties and at least one type of fluorescent substance that absorbs the scintillation light and converts the absorbed light into light having a wavelength longer than that of the absorbed light; a cladding layer covering an outer peripheral surface of the core and having a refractive index lower than that of the core; and an outermost peripheral layer covering an outer peripheral surface of the cladding layer and containing a compound of a heavy metal element. The core, the cladding layer, and the outermost peripheral layer are integrally formed.

Abstract: A plastic scintillating fiber includes: an outermost peripheral layer containing a compound of a heavy metal element and containing a resin having scintillating properties; a core disposed inside the outermost peripheral layer and containing at least one type of fluorescent substance that absorbs the scintillation light generated from the outermost peripheral layer and wavelength-converts the absorbed light into light having a wavelength longer than that of the absorbed light; and a cladding layer covering an outer peripheral surface of the core and having a refractive index lower than that of the core. A wavelength shifting fiber including the core and the cladding layer, and the outermost peripheral layer covering an outer peripheral surface of the wavelength shifting fiber are integrally formed.

Abstract: A plastic scintillating fiber includes an organic compound containing an element with a neutron cross section larger than that of hydrogen, and includes: an outermost peripheral layer containing a plastic material that emits scintillation light when it is irradiated with neutron radiation; a core having a high refractive index, disposed inside the outermost peripheral layer, and containing at least one type of fluorescent substance that absorbs the scintillation light and wavelength-converts the absorbed light into light having a wavelength longer than that of the absorbed light; and a cladding layer covering an outer peripheral surface of the core and having a refractive index lower than that of the core. A wavelength shifting fiber including the core and the cladding layer, and the outermost peripheral layer covering an outer peripheral surface of the wavelength shifting fiber are integrally formed.

Abstract: Provided is a ?-methyl-?-valerolactone polymer represented by the following general formula (I).

Abstract: An adsorption filter according to the present invention is an adsorption filter including a molded body containing activated carbon and a binder. A pore volume of the adsorption filter at a pore diameter of 15 ?m or more and 30 ?m or less at a volume basis of the adsorption filter under measurement by mercury intrusion porosimetry is 0.06 cm3/cc to 0.30 cm3/cc.

Abstract: Disclosed is a vinyl alcohol-based block copolymer that is a block copolymer composed of a vinyl alcohol-based polymer block (B-b) and a copolymer block (B-c) comprising a vinyl alcohol-based monomer unit and an acrylic acid-based monomer unit, wherein a content (Z) of the acrylic acid-based monomer unit relative to all monomer units is 0.05 to 20.0 mol %, the block copolymer has a saponification degree of 80 to 99.99 mol %, the block copolymer has a number-average molecular weight (Mna) of 20,000 to 440,000, the block copolymer has a molecular weight distribution (Mwa/Mna) of 1.05 to 1.95, and a ratio (DPb/DPa) of a number-average polymerization degree (DPb) of the vinyl alcohol-based polymer block (B-b) to the number-average polymerization degree (DPa) of the block copolymer is 0.010 to 0.999.

Abstract: The present invention relates to a carbonaceous material having a pore volume determined by performing Grand Canonical Monte Carlo simulation on an adsorption-desorption isotherm of carbon dioxide of 0.05 cm3/g or more and 0.20 cm3/g or less, and a ratio of desorption amount to adsorption amount (desorption amount/adsorption amount) at a relative pressure of 0.01 in the adsorption-desorption isotherm of 1.05 or more.

Abstract: A curable resin composition that includes a curable resin (A) and acrylic rubber particles (B), the acrylic rubber particles (B) having a multilayer structure of two or more layers including an inner layer that includes a crosslinked rubber polymer having an acrylic acid ester unit, and an outermost layer that includes a hard polymer, the outermost layer of the acrylic rubber particles (B) having a thickness of 3.5 nm or more. Also an adhesive and a curing agent each including the curable resin composition, and a cured article of the curable resin composition.

Abstract: One aspect of the present invention relates to a carbonaceous material which has a benzene adsorption of 25 to 40% and a vitamin B12 adsorption of 13.0 to 50.0 mg/g, while having a pore volume of mesopores of 0.070 to 0.150 cm3/g as calculated from a nitrogen adsorption isotherm by means of a BJH method.

Abstract: Provided is a composite material that is useful as a reinforcement, and the like. The composite material at least includes a woven fabric which contains weaving yarns being fibers each having a tensile elastic modulus of 20 GPa or higher, and a thermoplastic elastomer resin. The thermoplastic elastomer resin penetrates through openings of the woven fabric from one surface of the woven fabric, and is exposed at another surface.

Abstract: The present invention relates to a method for producing a resin sheet containing at least the following step P, Step P: a step of applying pressure (p) to a sheet-shaped resin modeled article formed by a 3D printer while heating, and deforming the sheet-shaped resin modeled article to obtain a compressed sheet; and relates to a polishing pad containing a polishing layer obtained by using the method for producing.

Abstract: An antenna system includes: a laminate including a plurality of high-frequency permeable layers; and an antenna circuit board including a high-frequency insulating layer. n-th layer of the plurality of high-frequency permeable layers has a thickness Ln within a range of Lnmin ±?(10??n). The n-th layer is at least one high-frequency permeable layer of the laminate. ?n denotes a relative dielectric constant of the n-th layer; ? denotes a wavelength of the high-frequency wave that is incident on the laminate; and Lnmin denotes a thickness of the n-th layer where an intensity of a reflected wave from the laminate is minimized, the intensity being determined as an intensity of a composite wave of reflected waves from a front surface, a back surface, and joint interfaces of the laminate.

Abstract: Disclosed are a polyurethane for use in a polishing layer, and a polishing layer and a polishing pad using the same, the polyurethane including a terminal group represented by the following formula (I): R—(OX)n— (I) wherein R represents a monovalent hydrocarbon group having 1 to 30 carbon atoms that may be substituted with a heteroatom or may be interrupted by a heteroatom, X represents an alkylene group having 2 to 4 carbon atoms, 90 to 100% of the alkylene group being an ethylene group, and n represents a number from 8 to 120.

Abstract: A polishing pad is provided with a spiral groove or concentric grooves disposed spanning from a central region to a peripheral edge region of a polishing surface of the polishing pad, and radial grooves including line segment-shaped grooves extending from the central region toward the peripheral edge region. The line segment-shaped grooves have a first end portion and a second end portion, positioned at a distance of 5 to 10% and at a distance of 35 to 70% of the radius of the polishing surface from a center of the radial grooves, respectively, and the line segment-shaped grooves have an average length of 30 to 65% of the radius of the polishing surface. A cross-sectional area Sa (mm2) of the line segment-shaped grooves and a cross-sectional area Sb (mm2) of the spiral groove or the concentric grooves satisfy 0.1?Sb/Sa<1.0.

Abstract: A coating agent for paper comprises: an ethylene-vinyl alcohol copolymer, wherein the ethylene-vinyl alcohol copolymer has a content of ethylene units of 1 mol % or more and less than 20 mol % and a block character of the ethylene units from 0.90 to 0.99. Coated paper is obtained by coating paper with such a coating agent. The coating agent of the present invention is excellent in viscosity stability and also causes the resulting coated paper to be excellent in barrier properties and water resistance.

Abstract: A liquid crystal polyester multifilament has an initial modulus variation of 3.0% or less and a tensile strength of 18 cN/dtex or more.

Abstract: A polyvinyl alcohol-based crosslinked copolymer may include an unsaturated monocarboxylic acid-based structural unit, wherein an amount of carboxylate-forming structural units in the crosslinked copolymer is 1% by mole or more and 35% by mole or less with respect to all structural units constituting the crosslinked copolymer, and a solubility of the crosslinked copolymer in water is 90% or less.

Abstract: Provided is a photosensitive resin composition comprising a thermoplastic elastomer (A), a liquid farnesene rubber (B), an ethylenically unsaturated compound (C), and a photoinitiator (D).