Abstract: To provide a collection method capable of collecting ?-caprolactam and a polyamide 6 oligomer in high yield only by depolymerization using a small amount of water and solid-liquid separation with a small energy consumption. This disclosure is a method of collecting ?-caprolactam and a polyamide 6 oligomer, including adding a resin composition (A) containing at least polyamide 6 and at least one of water (B) heated to 290° C. or higher and 350° C. or lower and a polyamide 6 oligomer aqueous solution (B1) heated to 290° C. or higher and 350° C. or lower to make contact with each other to obtain a reaction mixture (C) containing at least ?-caprolactam, a polyamide 6 oligomer, and water, and subjecting the reaction mixture (C) to a solid-liquid separation (I) in a temperature range not higher than a boiling point of water at an operation pressure to separate and collect a polyamide 6 oligomer in a solid phase, and an ?-caprolactam aqueous solution in a liquid phase.

Abstract: The present invention relates to a method of operating a membrane filtration unit including plural hollow fiber membrane modules connected to each other in parallel, the method including: a filtration step; a collection step; and a recovery step, in which a relation of n1?n2>n3 is satisfied, where n1 is the number of the hollow fiber membrane modules simultaneously used in executing the filtration step, n2 is the number of the hollow fiber membrane modules simultaneously used in executing the collection step, and n3 is the number of the hollow fiber membrane modules simultaneously used in executing the recovery step.

Abstract: A stretch yarn includes a multifilament including fibers having a coiled crimping form in a fiber axial direction, wherein a coil diameter distribution of crimping in the fiber has two or more groups, a ratio of a maximum group average value to a minimum group average value of the coil diameter (a maximum group average value/a minimum group average value) is less than 3.00, and a cross section of the fibers constituting the multifilament is an eccentric core-sheath cross section.

Abstract: A head-up display (HUD) system is described that makes it less possible that coloring is visually recognized on a windshield even with sunglasses worn, wherein the head-up display system includes an image projector configured to project an image; and a resin film configured such that the image from the image projector is projected on the resin film, wherein the resin film is a reflective plane, and is disposed in such a manner that the incidence plane where the maximum of the absolute value of a* and the maximum of the absolute value of b* satisfy the following formulae (1) and (2) is at 90±10° to a horizontal plane.

Abstract: A fiber placement device that includes a placement surface on which a reinforcing fiber tow is placed and stacked; a tow arranging mechanism which presses and places the reinforcing fiber tow against and on the placement surface; and a heating mechanism which is configured to heat the placement surface. In one placement cycle, the tow arranging mechanism presses a group of the reinforcing fiber tows against the placement surface heated in advance by the heating mechanism, moves by a predetermined length in a first axial direction to glue and fix the group of the reinforcing fiber tows onto the placement surface, and move the placement surface in a second axial direction which substantially intersects the first axial direction.

Abstract: A color conversion sheet includes at least a color conversion layer, a color conversion layer, a resin layer, and a base layer, the color conversion layer contains a light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and less than 580 nm, the color conversion layer contains a light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm to 750 nm, a haze value of the color conversion sheet is 20% to 90%, and nA1, nA2 and nB satisfy relationships (1) or (2), where nA1 is a refractive index of the color conversion layer, nA2 is a refractive index of the color conversion layer, and nB is a refractive index of the resin layer: nA1>nB and nA2>nB??(1) nA1<nB and nA2<nB.

Abstract: A method for manufacturing a carbon fiber bundle includes a stabilization process of subjecting an acrylic fiber bundle to a heat treatment within a range of 200° C. to 300° C. in an oxidizing atmosphere; a pre-carbonization process of performing a heat treatment within a range of 300° C. to 1,000° C. using a heat treatment furnace having at least one inert gas supply port on each of an incoming side and an outgoing side of the fiber bundle and at least one exhaust port between the incoming-side and outgoing-side inert gas supply ports, the heat treatment being performed with a temperature of an inert gas supplied being higher on the outgoing side than on the incoming side; and a carbonization process of performing a heat treatment at a temperature of 1,000° C. to 2,000° C. in an inert gas atmosphere, in which from a position at which an atmospheric temperature in the heat treatment furnace is 300° C.

Abstract: The present invention provides a water-repellent woven or knitted article that overcomes the problems of the related art and exhibits water-repellent properties and is excellent in abrasion resistance and durability. The water-repellent woven or knitted article of the present invention is a woven or knitted article subjected to a water repellent treatment using a water repellent having a perfluorooctanoic acid (PFOA) concentration of 5 ng/g or less, wherein the woven or knitted article includes, as constituent fibers, fibers having a transverse cross-sectional shape, each fiber has a plurality of grooves at an outer circumference of the transverse cross section, each groove has a wide part, and a size of the grooves in the fibers satisfies the following Formulae (Formula 1) and (Formula 2): w2/w1?1.3??(Formula 1) 0.15?h/d?0.

Abstract: To provide an artificial leather which simultaneously achieves uniform and elegant surface quality, good touch sensation, and wear resistance while suppressing the total amount of heat generated at the time of combustion. Provided is an artificial leather including: a fiber-tangled body containing a nonwoven fabric made of fine fibers having an average single fiber diameter of 0.01 ?m or more and 10.0 ?m or less; and a polymer elastic body. The artificial leather satisfies the following requirements: requirement 1: the artificial leather has a weight per unit area of 25 g/m2 or more and 75 g/m2 or less; and requirement 2: the number per unit area of micropores penetrating the artificial leather in the thickness direction and having a pore diameter of 35 ?m or more and 500 ?m or less is 0.1/mm2 or more and 5.0/mm2 or less.

Abstract: A balloon catheter and a balloon catheter system capable of safely keeping the surface temperature of a balloon constant. A balloon catheter includes: a balloon; an outer cylinder shaft connected to a proximal end of the balloon; an inner cylinder shaft passing through the outer cylinder shaft and connected to a distal end of the balloon; a heating member for heating a liquid in the balloon; a first temperature sensor fixed to an end of the heating member; and a liquid passage formed between the outer cylinder shaft and the inner cylinder shaft and leading into the balloon. The balloon can be stretched or loosened by relative movement of the inner cylinder shaft to the outer cylinder shaft, and the heating member is arranged in the balloon and fixed only to the outer cylinder shaft.

Abstract: The present invention relates to a damage inspection method for a reverse osmosis membrane, in which at least one of: presence or absence of physical damage; and a degree of physical damage in a reverse osmosis membrane is inspected based on presence or absence of a stained area on at least a permeate side of a stained membrane obtained by supplying a water-to-be-treated including a staining agent to the reverse osmosis membrane to stain the reverse osmosis membrane.

Abstract: A plastic optical fiber has an excellent noise suppression effect. The plastic optical fiber is a plastic optical fiber including a core and a cladding, wherein a first cladding adjacent to the core contains a light-shielding agent, and a content of the light-shielding agent is 100 to 10000 ppm, the plastic optical fiber preferably further includes a second cladding outside the first cladding. In addition, the plastic optical fiber can be suitably used for a medical sensor device.

Abstract: Provided is cloth that is excellent in dust protection and liquid protection with a first outermost layer of a layered nonwoven fabric containing a predetermined amount of an antistatic agent relative to the entire layer, a second outermost layer of the layered nonwoven fabric containing a predetermined amount or less of an antistatic agent relative to the entire layer, where a joint region includes a seam allowance located on the inner side of the cloth and a tape member, and the seam allowance is covered with the tape member, where at least both end portions of the tape member in a short-side direction are fixed to the second outermost layer, and water pressure resistance (A) of the layered nonwoven fabric is in a predetermined range, and a ratio of water pressure resistance (B) of the joint region to the water pressure resistance (A) is in a predetermined range.

Abstract: An electrocardiographic signal analysis system includes: an input unit configured to receive input of electrocardiographic information; a unit waveform data extracting unit configured to perform segmentation and extract unit waveform data based on a peak of an R wave or an S wave from waveform data included in the electrocardiographic information; a loss detection unit configured to detect a loss portion of a peak of an R wave or an S wave in the unit waveform data using an extreme value immediately before or immediately after the peak or using a point of inflection immediately before or immediately after the peak; and a data interpolation unit configured to set a wave height or a cycle of a waveform after interpolation based on a peak position of an R wave or an S wave of a waveform obtained by interpolating the loss portion.

Abstract: A hemostatic material includes a lipid that can accelerate adhesion or aggregation of platelets even if the lipid does not carry a protein or a peptide involved in adhesion or aggregation of platelets such as GPIb and H12 and, to achieve the object, provides a hemostatic material including a water-insoluble base and a lipid supported on a surface of the base, wherein the lipid includes one or two or more anionic lipids.

Abstract: The sheet material according to the present invention has a polymer elastic body and a fibrous base material comprising ultrafine fibers, wherein the average single fiber diameter of the ultrafine fibers is 0.1 ?m to 10.0 ?m, the polymer elastic body has a hydrophilic group and an N-acylurea bond and/or an isourea bond, and the following conditions are satisfied: the longitudinal stiffness, in accordance with method A (45° cantilever method) in the text of “8.21 Stiffness” of JIS L 1096:2010 “Testing Methods for Woven and Knitted Fabrics”, is 40 mm to 140 mm; and after immersion for 24 hours in N,N-dimethylformamide, the following are obtained in wear testing using a pressing load of 12.0 kPa and 20,000 friction cycles in accordance with method E (Martindale method) in the text of “8.19 Wear Strength and Friction Discoloration” of JIS L 1096:2010 “Testing Methods for Woven and Knitted Fabrics”: a grade of at least 4 and a wear loss of not more than 25 mg.

Abstract: There is provided a fire resistant sheet having excellent flame retardance and an article covered with a fire resistant sheet. The present invention provides a fire resistant sheet including: a fiber base material layer containing a non-melting fiber A having a high-temperature shrinkage rate of 3% or less and a thermal conductivity, conforming to ISO22007-3 (2008), of 0.060 W/m·K or less, and a thermoplastic fiber B having an LOI value, conforming to JIS K7201-2 (2007), of 25 or more; and a resin layer containing expandable graphite, wherein a phase transition temperature, conforming to JIS K7121 (2012), of the resin is lower by 20° C. or more than an expansion starting temperature of the expandable graphite, and an article covered with the fire resistant sheet.

Abstract: A liquid crystal polyester resin including a structural unit derived from aromatic hydroxycarboxylic acid, a structural unit derived from aromatic diol, and a structural unit derived from aromatic dicarboxylic acid, wherein a content of the structural unit derived from aromatic hydroxycarboxylic acid is 15 to 80 mol %, a content of the structural unit derived from aromatic diol is 2 to 40 mol %, a content of the structural unit derived from aromatic dicarboxylic acid is 2 to 40 mol %, relative to 100 mol % of the total structural unit of the liquid crystal polyester resin, and a temperature sensitivity coefficient and a solidification start temperature, obtained from rheometer spectra, are within a certain range. The liquid crystal polyester resin which is moldable at a wide range of molding temperatures, has excellent molding stability, and has small thickness dependency of fluidity is obtained.

Abstract: Provided is a coating film removing equipment that is a device including: a cleaning tank; a supply device configured to supply a cleaning liquid to the cleaning tank; a conveyance device configured to convey a coated film in a longitudinal direction of the coated film such that the coated film passes through the cleaning tank; a suction box that is disposed in the cleaning tank and surrounds a part of a conveyance path of the coated film with a gap through which a film can pass; a removing mechanism disposed in the suction box, the removing mechanism being configured to remove a coating film from the coated film; and a discharge device for discharging the cleaning liquid and the removed coating film from the suction box to an outside of the cleaning tank.

Abstract: The purpose of the present invention is to provide a composite false twisted yarn and a woven fabric having an excellent feeling of bulkiness and softness in addition to having excellent stretchability and being particularly suitable for use in clothing, and also to provide clothing using the same. The present invention provides a composite false twisted yarn comprising a polyamide fiber A and a polyamide fiber B, wherein the polyamide fiber A is a latent crimp yarn, the polyamide fiber B is not a latent crimp yarn, and the ratio of adjacent filament groups in the polyamide fiber A is 50% or more.