Abstract: A fiber dispersion liquid includes ultrafine fibers having a fiber diameter of 100 to 5000 nm dispersed in an aqueous medium, wherein the fiber dispersion liquid has a solid content concentration of 0.01% to 10% by weight and a dispersion index of 20 or less, in which the dispersion index is measured by preparing a fiber dispersion liquid such that a solid content concentration is 0.01% by weight with respect to a total amount of the fiber dispersion liquid, an image of the obtained fiber dispersion liquid at a magnification of 50 times is captured with a microscope under transmitted illumination, the image is converted into a monochrome image by using an image processing software, then a luminance histogram is formed with 256 grades, and a standard deviation obtained from the luminance histogram is used as the dispersion index.

Abstract: A balloon catheter includes a balloon, a catheter shaft, a heating unit, and an electrode temperature sensor. The catheter shaft has an outer cylinder shaft connected to the proximal end of the balloon, and an inner cylinder shaft extending into the balloon to be connected to the distal end of the balloon. The inner cylinder shaft passes inside the outer cylinder shaft. The gap between the inner cylinder shaft and the outer cylinder shaft defines a liquid flow path leading to the inner space of the balloon. The heating unit includes multiple heating electrodes. The multiple heating electrodes are distributed over the outer circumferential surface of the inner cylinder shaft in the balloon. The electrode temperature sensor is provided in the balloon to acquire information on the temperature of the heating electrodes.

Abstract: A composite fiber is described that is capable of forming various fiber cross section shapes with high accuracy and maintaining high dimensional stability of a cross section shape. Also provided is a method for producing the composite fiber, the method comprising: distributing a sea-component polymer and at least one other-component polymer different from the sea-component polymer; discharging the sea-component polymer and the other-component polymer distributed by the distribution plate respectively from sea-component discharge holes and other-component discharge holes of a discharge plate positioned at a downstream side of the distribution plate with respect to a polymer spinning path direction; and discharging the composite polymer from a discharge hole of a spinneret discharge plate positioned at a downstream side of the discharge plate with respect to the polymer spinning path direction.

Abstract: A polyarylene sulfide resin composition includes: 100 parts by weight of (A) a polyarylene sulfide; and 0.1 to 5 parts by weight of (B) an organic silane coupling agent having at least one epoxy group, an amino group, and an isocyanate group, wherein, when a cumulative integral value from a molecular weight of 100 to 10,000 in a molecular weight distribution curve of (A) the polyarylene sulfide is taken as 100, the cumulative integrated value at a molecular weight of 4,000 is 48 to 53, and when a melt flow rate of (A) the polyarylene sulfide is defined as MFR1, and when the melt flow rate obtained after mixing (A) the polyarylene sulfide with an epoxy silane coupling agent at a weight ratio of 100:1, and heating the resulting mixture at 315.5° C. for 5 minutes is defined as MFR2, a rate of change (MFR2/MFR1) is not more than 0.085.

Abstract: A fiber-reinforced resin base material includes continuous reinforcing fibers or a reinforcing fiber base material in which discontinuous fibers are dispersed, the continuous reinforcing fibers or a reinforcing fiber base material being impregnated with a polyphenylene sulfide resin composition, wherein the fiber-reinforced resin base material has a glass-transition temperature, as measured by the DMA method (bending mode), of 115° C. or higher.

Abstract: A cerium oxide nanoparticle is produced by mixing a solution of an aromatic heterocyclic compound having no substituent or at least one substituent selected from the group consisting of a methyl group, an ethyl group, an amino group, an aminomethyl group, a monomethylamino group, a dimethylamino group, and a cyano group and containing 2 to 8 carbon atoms and 1 to 4 nitrogen atoms in a ring structure of the aromatic heterocyclic compound, with a solution containing a cerium (III) ion or with a cerium (III) salt, followed by addition of an oxidant.

Abstract: An unevenness measuring device for a sheet-shaped material, the device including: a light irradiation unit configured to irradiate a measurement target with illumination light such that the illumination light is partially blocked at the measurement target; a time-delay integration type imaging unit arranged to face the light irradiation unit and configured to receive the illumination light that is irradiated from the light irradiation unit and that is not blocked at the measurement target; a luminance-profile calculation unit configured to calculate a luminance profile in a main-scanning direction from a captured image generated by the imaging unit; an unevenness determination unit configured to determine, based on the luminance profile, whether the sheet-shaped material has a recessed portion and/or a projecting portion; and an unevenness calculation unit configured to estimate, based on the luminance profile, a depth of the recessed portion and/or a height of the projecting portion.

Abstract: A bioelectrode having a textile form, and which is flexible, highly versatile, excellent in fastness, and curbs lowering in conductivity due to washing is described along with a method for manufacturing the same, where the bioelectrode has a multilayer structure of a conductor and a fiber base material composed of non-conductive fibers, in which the conductor contains carbon black and a polyurethane resin, the carbon black being dispersed in a particulate form at least on a surface of the conductor, where a ratio of a longest distance to a shortest distance between particles of the carbon black and adjacent particles of the carbon black (longest distance/shortest distance) is 1 to 20 on the surface of the conductor, and the surface of the conductor has a wet rubbing fastness of grade 4 or higher.

Abstract: A high-quality microporous hollow fiber membrane having high gas permeability, gas selectivity, and strength. A microporous hollow fiber membrane, having a carbon dioxide gas flux of 10×10?5 to 200×10?5 (cm3(STP)/cm2/sec/cmHg), a value (carbon dioxide gas flux/nitrogen gas flux) obtained by dividing a value of a carbon dioxide gas flux by a value of a nitrogen gas flux (cm3(STP)/cm2/sec/cmHg) of 1.3 or more, and a tensile strength of 0.5 cN/dtex or more.

Abstract: There are provided a laminated polyester film which is excellent in coating uniformity and adhesiveness of water-based coating, a laminate using the same, and a method for producing a laminated polyester film. The laminated polyester film of the present invention includes an easy-adhesion layer (X) on an outermost surface of at least one side of a polyester base material, in which a ratio (?h/?d) of hydrogen bonds (?h) to a dispersive force (?d) in surface free energy of the easy-adhesion layer (X) is 0.250 or less. In addition, the laminated polyester film according to another aspect of the present invention includes an easy-adhesion layer (X) on an outermost surface on at least one side of a polyester base material, in which an advancing angle ?a of water in the easy-adhesion layer (X) is 75.0° or more and 110.0° or less, and a receding angle ?r of water is 5.0° or more and 40.0° or less.

Abstract: A method of producing ?-caprolactam includes bringing a resin composition (A) containing at least polyamide 6 and water (B) heated to a temperature of 290° C. or higher and 350° C. or lower into contact with each other. The contact is made under a condition that a product of X and Y is 2,000 or less when a mass ratio of the water to the polyamide 6 is represented by X:1 and a reaction temperature is represented by Y° C.

Abstract: A thermoplastic polyester resin composition includes 10 parts by weight or more and 80 parts by weight or less of a polyester resin (B) containing 50 to 90 mol % of a structure in which a terephthalic acid residue and a 1,4-cyclohexanedimethanol residue are bonded, with respect to 100 parts by weight of a polybutylene terephthalate-based resin (A), wherein the thermoplastic polyester resin composition has a melting point of 222° C. or more and 230° C. or less as measured using a differential scanning calorimeter at heating and cooling rates of 20° C./min, and has a cold crystallization temperature of 170° C. or more and 200° C. or less as measured under the same condition.

Abstract: A material removes neutrophils while suppressing removal of platelets, the material being a knitted fabric or a woven fabric including a fiber having a fiber diameter of 10 to 60 ?m, wherein the knitted fabric or the woven fabric has a thickness of 0.10 to 0.40 mm and a porosity of 10 to 30%.

Abstract: The present invention pertains to: a polyamide resin composition obtained by compounding, with respect to 100 parts by weight of a polyamide resin (A), 0.01-12 parts by weight of a silicone resin (B) and 0.01-5 parts by weight of a silane coupling agent (C) having at least one functional group selected from the group consisting of an isocyanate group, an epoxy group, and an acid anhydride group; a molded article thereof; and methods for producing the composition and the molded article. Provided is a polyamide resin composition which, even if the polyamide resin composition contains a silicone resin as an impurity, can suppress detachment of the silicone resin from a molded article obtained through injection molding of the polyamide resin composition and can suppress adhesion of the silicone resin to the surface of a mold during molding, and a molded article from which also can have excellent mechanical properties.

Abstract: A fiber-reinforced plastic substrate is described in which a plurality of resins having different properties are firmly compounded and that includes components [A], [B], and [C]: [A] reinforcing fibers; [B] thermoplastic resin (b); and [C] thermoplastic resin (c), wherein the component [A] is arranged in one direction, in the fiber-reinforced plastic substrate, a resin area including the component [B] and a resin area including the component [C] are present, the resin area including the component [B] is present on a surface of one side of the fiber-reinforced plastic substrate, and a distance Ra(bc) between Hansen solubility parameters of the component [B] and the component [C] satisfies formula (1): Ra(bc)={4(?DB??DC)2+(?PB??PC)2+(?HB??HC)2}1/2?8 wherein Ra(bc), ?DB, ?DC, ?PB, ?PC, ?HB and ?HC are as defined.

Abstract: A transparent thermoplastic resin composition containing: based on 100 parts by mass of the transparent thermoplastic resin composition, 10 to 60 parts by mass of a graft copolymer (A) obtained by graft copolymerizing a monomer mixture (a) containing at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (R); 40 to 90 parts by mass of a vinyl copolymer (B) obtained by copolymerizing a monomer mixture (b) containing at least an aromatic vinyl-based monomer (b1) and a (meth)acrylic acid ester-based monomer (b2); 100 to 1,000 ppm of a phenolic compound (C); and a dihydrooxaphosphaphenanthrene-based phosphorus compound (D), wherein a molar ratio (P/OH) of a phosphorus atom (P) of the dihydrooxaphosphaphenanthrene-based phosphorus compound (D) to a hydroxyl group (OH) of the phenolic compound (C) is 0.2 to 5.0.

Abstract: There is provided a fiber bundle drawing apparatus that can draw a fiber bundle traverse-wound around a bobbin and having a laterally-elongated cross-sectional shape while maintaining the cross-sectional shape, and cause the fiber bundle to travel along a fixed course.

Abstract: A flexible wireless communication device with high position accuracy and low cost by a simple process is described, including a wireless communication device and a method for manufacturing a wireless communication device formed by bonding a first film substrate on which at least a circuit is formed and a second film substrate on which an antenna is formed, in which the circuit includes a transistor, and the transistor is formed by a step of forming a conductive pattern on the first film substrate, a step of forming an insulating layer on the film substrate on which the conductive pattern is formed, and a step of applying a solution including an organic semiconductor and/or a carbon material on the insulating layer and drying the solution to form a semiconductor layer.

Abstract: An ablation catheter system includes: a catheter shaft; a balloon attached to the catheter shaft; a lumen extending through the catheter shaft in a longitudinal direction thereof and communicating with the interior of the balloon; a heating electrode and a temperature sensor provided in the interior of the balloon; a heater that applies electrical energy to the heating electrode; a pressure sensor; a balloon volume sensor; and a processor that calculates the estimated depth of ablation, using as variables, heating temperature of a generator, ablation time of the generator, a value of balloon pressure obtained from the pressure sensor and a value of balloon volume obtained from the balloon volume sensor.