Abstract: Provided are a holding material for a gas treatment device, which is inexpensive, has a simple structure, and exhibits high holding force, a gas treatment device, and a method for manufacturing the same. A holding material for a gas treatment device according to the present invention is a holding material, which is a holding material to be arranged, in a gas treatment device including a treatment structure and a casing for housing the treatment structure, between the treatment structure and the casing, the holding material including silica fibers and an alumina sol in an amount of 3 parts by mass or more in terms of a solid content with respect to 100 parts by mass of the silica fibers.

Abstract: A holding material for gas treatment device, gas treatment device, and methods for those achieve proper control of a frictional resistance between the holding material and a casing. A method of treating a gas with a gas treatment device including a treatment structure, a casing made of a metal for housing the treatment structure and a holding material made of inorganic fibers placed between the treatment structure and the casing, the method including: placing an organic polymer between the holding material and the casing so that the organic polymer is brought into contact with an outer surface of the holding material and an inner surface of the casing during treatment of the gas; and treating the gas under a condition that a temperature of the casing is equal to or higher than a softening temperature of the organic polymer and lower than a decomposition temperature of the organic polymer.

Abstract: A holding material for gas treatment device, gas treatment device, and methods for those achieve proper control of a frictional resistance between the holding material and a casing. A method of treating a gas with a gas treatment device including a treatment structure, a casing made of a metal for housing the treatment structure and a holding material made of inorganic fibers placed between the treatment structure and the casing, the method including: placing an organic polymer between the holding material and the casing so that the organic polymer is brought into contact with an outer surface of the holding material and an inner surface of the casing during treatment of the gas; and treating the gas under a condition that a temperature of the casing is equal to or higher than a softening temperature of the organic polymer and lower than a decomposition temperature of the organic polymer.

Abstract: Provided are a holding material for a gas treatment device, which is inexpensive, has a simple structure, and exhibits high holding force, a gas treatment device, and a method for manufacturing the same. A holding material for a gas treatment device according to the present invention is a holding material, which is a holding material to be arranged, in a gas treatment device including a treatment structure and a casing for housing the treatment structure, between the treatment structure and the casing, the holding material including silica fibers and an alumina sol in an amount of 3 parts by mass or more in terms of a solid content with respect to 100 parts by mass of the silica fibers.

Abstract: (Problem to be Solved) To obtain a hollow-fiber membrane blood purification device having excellent blood compatibility and antioxidative performance and highly stable antioxidative performance under severe environments. (Solution) A hollow-fiber membrane blood purification device provided with a hollow-fiber membrane containing a polysulfone-based resin, a polyvinyl pyrrolidone, a fat-soluble vitamin and a polymer having an ester group, in which an abundance of the fat-soluble vitamin on all surfaces of the hollow-fiber membrane is 2 mg or more and 18 mg or less based on 1 g of the hollow-fiber membrane, when the hollow-fiber membrane is extracted with ethanol, an extract is dried and subjected to measurement of an infrared absorption spectrum (IR), a ratio of absorbance (Abs(A)) of peak A in a vicinity of 1720 to 1730 cm?1 to absorbance (Abs(B)) of peak B in a vicinity of 1660 to 1670 cm?1, (Abs(A)/Abs(B)), is 0.01 or more and 0.

Abstract: A polysulfone-based blood treatment membrane that exhibits excellent antioxidant properties, excellent long-term storage stability, and a practical strength, and ensures high productivity, a polysulfone-based blood treatment membrane that exhibits excellent antioxidant properties and long-term storage stability, rarely allows endotoxins to enter a treatment liquid, exhibits a practical strength, and ensures high productivity, and a method of producing the same. A polysulfone-based blood treatment membrane includes a polysulfone-based resin, a hydrophilic polymer, and a lipophilic antioxidant, the membrane containing the lipophilic antioxidant in an amount of 30 to 76 mg per gram of the membrane, and the total amount of the lipophilic antioxidant present on the surface of the membrane being 4 to 25 mg per gram of the membrane.

Abstract: The present invention relates to a holding material for a catalytic converter containing a catalyst carrier, a metal casing for receiving the catalyst carrier, and the holding material wound around the catalyst carrier and interposed in a gap between the catalyst carrier and the metal casing, in which the holding material contains an organic substrate and a protective film having a plurality of pores, and the protective film is joined to a metal casing-side surface of the substrate.

Abstract: A polysulfone-based blood treatment membrane that exhibits excellent antioxidant properties, excellent long-term storage stability, and a practical strength, and ensures high productivity, a polysulfone-based blood treatment membrane that exhibits excellent antioxidant properties and long-term storage stability, rarely allows endotoxins to enter a treatment liquid, exhibits a practical strength, and ensures high productivity, and a method of producing the same. A polysulfone-based blood treatment membrane includes a polysulfone-based resin, a hydrophilic polymer, and a lipophilic antioxidant, the membrane containing the lipophilic antioxidant in an amount of 30 to 76 mg per gram of the membrane, and the total amount of the lipophilic antioxidant present on the surface of the membrane being 4 to 25 mg per gram of the membrane.