Abstract:
There is provided a radio wave absorbing composition containing a magnetic powder and a binder. There is also provided a radio wave absorber containing a magnetic powder and a binder. The magnetic powder is a powder of a substitution-type hexagonal ferrite subjected to surface treatment with a surface treatment agent, and the binder is a polyamide.
Abstract:
Provided are an acoustic matching sheet containing the following component (B) in the following component (A), a composition for an acoustic matching layer, an acoustic wave probe, an acoustic wave measurement apparatus, and a method for manufacturing an acoustic wave probe. (A) is at least one of a resin or a rubber; and (B) is at least one of a resin particle or a rubber particle having an acoustic velocity lower than an acoustic velocity of the component (A) and having a number average particle diameter of 1.0 μm or less.
Abstract:
Provided are an adhesive for an endoscope, a cured product of the adhesive for an endoscope, an endoscope produced using the adhesive for an endoscope, and a method for producing an endoscope. The adhesive for an endoscope includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins, a polyamine compound (B), and a specific compound (C) having an epoxy group.
Abstract:
To provide a composition for an acoustic wave probe which can significantly improve the hardness and the mechanical strength (tensile strength at break, tensile elongation at break, tear strength, and abrasion resistance) of a silicone resin while maintaining a low acoustic attenuation, a silicone resin for an acoustic wave probe and the acoustic wave probe using the composition for an acoustic wave probe, an acoustic wave measurement apparatus, and an ultrasound diagnostic apparatus.To provide an ultrasound probe in which cMUT is used as an ultrasonic diagnostic transducer, and the composition for an acoustic wave probe and the silicone resin for an acoustic wave probe which can improve the sensitivity of the photoacoustic wave measurement apparatus and the ultrasound endoscope.Provided are a composition for an acoustic wave probe containing a polysiloxane mixture containing polysiloxane having a vinyl group, polysiloxane having two or more Si—H groups in a molecular chain, and one or more inorganic compound particles, in which the average primary particle diameter of the inorganic compound particles is less than 25 nm and the inorganic compound particles are selected from the group consisting of magnesium oxide, titanium oxide, iron oxide, zinc oxide, zirconium oxide, barium oxide, tin oxide, and ytterbium oxide; a silicone resin for an acoustic wave probe; an acoustic wave probe; an acoustic wave measurement apparatus; an ultrasound diagnostic apparatus; an ultrasound probe; a photoacoustic wave measurement apparatus; and an ultrasound endoscope.
Abstract:
The present invention provides a flexible tube having a cylindrical flexible tube base that has flexibility and a resin layer that coats the flexible tube base, in which the resin layer is configured by at least two layers of a first layer that contains a specific resin and a second layer that contains a specific resin, or in which the resin layer is a single layer or multiple layers of two or more layers, and a layer A that is any of the resin layers includes polyester elastomers, and, hindered phenol compounds or hindered amine compounds.
Abstract:
An organic photoelectric conversion element composition including a p-type-and-n-type linked organic semiconductor polymer represented by any one of formulas (1) to (5), a thin film and a photovoltaic cell each containing the same, an organic semiconductor polymer and a compound each for use in these, and a method of producing the polymer: wherein, in formulas, A to A4 represent a group of a p-type organic semiconductor unit, and B to B3 represent a group of an n-type organic semiconductor unit; L1 to L4 represent a divalent or trivalent linking group; herein, in the formulas, at least one bonding hand represented by -* in the structures shown upperward and downward, and in the case of formula (4), L4 and (b), and L1 or L2 and (a), bond directly or through a divalent linking group; l, n, r, t, u and v represent an integer of 1 to 1,000; m and s represent an integer of 1 to 10; and p, q, l′ and n′ represent an integer of 0 to 1,000; in which p and q do not simultaneously represent 0.
Abstract:
An organic photovoltaic cell, containing a first electrode; a second electrode; and a photoelectric conversion layer between the first electrode and the second electrode, wherein the photoelectric conversion layer contains a polymer having a structural unit represented by formula (I): wherein X represents S, NR2, O, Se or Te; Y represents NR2, O, Te, SO, SO2 or CO; and R1 and R2 represent a hydrogen atom or a substituent.
Abstract:
Provided are an adhesive for a medical device, containing the following components (a) to (e) in specific amounts, a cured substance, a medical device member, a medical device, and a manufacturing method of a medical device. (a) an epoxy resin including at least one of a bisphenol A-type epoxy resin or a bisphenol F-type epoxy resin, (b) an imidazole compound having no heteroatom other than a ring-constituting nitrogen atom and having a melting point of lower than 60° C., (c) a phenol resin which is liquid at 25° C., (d) fumed silica having an average particle diameter of 5 nm or more and 35 nm or less, and (e) talc.
Abstract:
Provided are an epoxy resin adhesive for a medical device and its cured product, and a medical device member and a medical device. The epoxy resin adhesive includes the following components (A) to (C):
(A) an epoxy resin; (B) a polyamine compound having two or more unsubstituted amino groups; and (C) a compound having a nonaromatic carbon-carbon double bond group and a phenolic hydroxy group.
Abstract:
Provided are a flexible tube for an endoscope, the flexible tube having a sleeve-shaped flexible-tube base having flexibility and a cover layer covering an outer periphery of the flexible-tube base, in which the cover layer includes a chain-extended product of a polyester having a naphthalene structure, and the chain-extended product includes a constituent component derived from at least one chain extender selected from the group consisting of (A) an epoxy compound, (B) an isocyanate compound, (C) an amine compound, (D) an oxazoline compound, (E) a carbodiimide compound having a molecular weight of less than 3,000, and (F) a carboxylic anhydride and a constituent component derived from a polyester having a naphthalene structure, an endoscopic medical device using the flexible tube, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.