Patent classifications
Y10T428/1386
MEMBRANES AND USES THEREOF
Membranes and methods for producing them are disclosed. The membranes comprise a core layer comprising a composite of alternating thermoplastic polyurethane (TPU) and barrier microlayers, and they comprise at least one cap layer that is bonded to the core layer or a structural layer. In some embodiments, at least the cap layer comprises a polydiene polyol-based TPU. The membrane may further comprise a rubber layer bonded to the cap layer.
RUBBER COMPOSITION FOR REFRIGERANT-TRANSPORTING HOSE AND REFRIGERANT-TRANSPORTING HOSE
The present invention provides a rubber composition for a refrigerant-transporting hose having excellent processability and hose properties, and a refrigerant-transporting hose in which an inner tube is manufactured by using the rubber composition for a refrigerant-transporting hose. A rubber composition for a refrigerant-transporting hose includes at least an inner tube and a reinforcing layer disposed outward of the inner tube, wherein the rubber composition is used for manufacture of the inner tube, the rubber composition including: butyl rubber; a scale-like filler; carbon black; an iodine adsorption number of the carbon black being from 65 to 150 mg/g; a content of the scale-like filler being 20 parts by mass or greater, per 100 parts by mass of the butyl rubber; and a content of the carbon black being 20 parts by mass or greater and less than 50 parts by mass, per 100 parts by mass of the butyl rubber.
Low moisture permeability laminate construction
A tire comprising an outer tread layer, intermediate sidewall and carcass layers and an innermost air permeation prevention layer: (i) the air permeation prevention (APP) layer having an upper and a lower surface, the layer having a polymer composition exhibiting an air permeation coefficient (APC) of about 2510.sup.12 cc cm/cm.sup.2 sec cmHg (at 30 C.) or less and a Young's modulus of about 1 MPa to about 500 MPa, the polymer composition comprising: (A) at least 10 wt % of at least one thermoplastic resin component having an APC of about 2510.sup.12 cc cm/cm.sup.2 sec cmHg (at 30 C.) or less and a Young's modulus of more than 500 MPa, which is preferably a polyamide resin or mixture, and (B) at least 10 wt % of at least one elastomer component having an APC of more than about 2510.sup.12 cc cm/cm.sup.2 sec cmHg (at 30 C.) and a Young's modulus of not more than 500 MPa, which elastomer component is preferably a halogen-containing rubber or mixture, the total amount (A)+(B) being not less than about 30 wt %, and the elastomer component is a dispersed vulcanized, discontinuous phase in the thermoplastic resin matrix; and (ii) at least one thermoplastic laminate layer bonded to at least said lower surface of the APP layer, the thermoplastic layer comprising a film-forming, semi-crystalline, substantially hydrophobic carbon chain polymer having a glass transition temperature, Tg, of less than about 20 C.
Membranes and uses therof
Membranes and methods for producing them are disclosed. The membranes comprise a core layer comprising a composite of alternating thermoplastic polyurethane (TPU) and barrier microlayers, and they comprise at least one cap layer that is bonded to the core layer or a structural layer. In some embodiments, at least the cap layer comprises a polydiene polyol-based TPU. The membrane may further comprise a rubber layer bonded to the cap layer.
Coating compositions for aluminum beverage cans and methods of coating same
A coating composition for a food or beverage can that includes an emulsion polymerized latex polymer formed by combining an ethylenically unsaturated monomer component with an aqueous dispersion of a water-dispersible polymer.
Gas storage device
The present invention provides a gas storage device. In an embodiment, the gas storage device includes a cylinder with opposing ends. An endcap is present at each end. The cylinder and the endcaps form an enclosure. Each endcap includes a connector. A diaphragm is located in the enclosure. The diaphragm includes an annular sidewall. The device includes an inner chamber defined by an inner surface of the sidewall, and a storage space between an interior surface of the cylinder and an outer surface of the sidewall. A metal hydride composition is located in the storage space.
Highly saturated nitrile rubber composition and cross-linked rubber
A highly saturated nitrile rubber composition containing a carboxyl group-containing highly saturated nitrile rubber (A1) which contains ,-ethylenically unsaturated nitrile monomer units 15 to 60 wt % and ,-ethylenically unsaturated dicarboxylic acid monoester monomer units 1 to 60 wt % and has an iodine value of 120 or less, a highly saturated nitrile rubber (A2) which contains ,-ethylenically unsaturated nitrile monomer units 15 to 60 wt %, has a content of the ,-ethylenically unsaturated dicarboxylic acid monoester monomer units of 0.9 wt % or less, and has an iodine value of 120 or less, and a polyamide resin (B), a content ratio of the carboxyl group-containing highly saturated nitrile rubber (A1) and the highly saturated nitrile rubber (A2) being a weight ratio of carboxyl group-containing highly saturated nitrile rubber (A1):highly saturated nitrile rubber (A2) of 2:98 to 98:2, is provided.
COMPOSITES, METHODS OF MANUFACTURE THEREOF, AND ARTICLES CONTAINING THE COMPOSITES
A composite includes a polymer; and a phase-change composition including an unencapsulated first phase-change material, and an encapsulated second phase-change material.
Thermoplastic resin composition and molded article thereby
A thermoplastic resin composition and a molded article including the same can include 100 parts by weight of a base resin including 10 to 50% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing acrylate rubber having an average particle diameter of 0.3 to 0.5 ?m, 5 to 40% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing acrylate rubber having an average particle diameter of 0.05 ?m or more and less than 0.3 ?m, and 20 to 65% by weight of an aromatic vinyl polymer (B), and 0.5 to 12 parts by weight of a polyamide (C). The thermoplastic resin composition can have a solvent resistance of 15 days or more.
RUBBER COMPOSITION, LAMINATED BODY, AND CONVEYOR BELT
Provided is a rubber composition capable of suppressing deterioration of adhesiveness to a reinforcing member even in the case of having been subjected to repeated flex fatigue. The rubber composition is obtainable by compounding a rubber component containing a diene based rubber, a wet silica, a carbon black, and a calcium carbonate, wherein: a compounding amount of the wet silica is 3 parts by mass or more per 100 parts by mass of the diene based rubber; a nitrogen adsorption BET specific surface area of the carbon black is 8 m.sup.2/g or more and 100 m.sup.2/g or less; and the following formula 0.5X+28YX+88 is satisfied, where X represents the nitrogen adsorption BET specific surface area of the carbon black in terms of m.sup.2/g, and Y represents a compounding amount of the calcium carbonate in terms of parts by mass per 100 parts by mass of the diene based rubber.