Provided are a hard coating composition for a flexible window cover film, a hard coating layer obtained therefrom, and a flexible window cover film including the same. More particularly, a hard coating composition for a flexible window cover film which includes a high molecular weight epoxy polysiloxane resin, thereby satisfying surface properties such as excellent hardness, wear resistance, scratch resistance, and pressing resistance, and also having excellent flexibility so as to be appropriate for use in a flexible display panel, a hard coating layer obtained therefrom, and a flexible window cover film including the same.

An object of the present invention is to provide an improved partial discharge-resistant electrical insulating resin composition that can inhibit deterioration of an insulator due to partial discharge. The partial discharge-resistant electrical insulating resin composition of the present invention comprises boehmite alumina and a resin.

A conductive textile includes a base cloth and a conductive film disposed on the base cloth. The conductive film includes a polyurethane resin and a silver bearing conductor, in which a content of the silver bearing conductor is 55 parts by weight to 80 parts by weight, and a content of the polyurethane resin is 8 parts by weight to 12 parts by weight.

A flame-retardant polymer composition comprising a polymer, a flame retardant, a high aspect ratio particulate mineral and optionally a reinforcing material, articles made from and comprising said flame-retardant polymer composition and methods of making said flame-retardant polymer composition.

An anisotropic conductive film, capable of connecting a terminal formed on a substrate having a wavy surface such as a ceramic module substrate with conduction characteristics stably maintained, includes an insulating adhesive layer, and conductive particles regularly arranged in the insulating adhesive layer as viewed in a plan view. The conductive particle diameter is 10 μm or more, and the thickness of the film is 1 or more times and 3.5 or less times the conductive particle diameter. The variation range of the conductive particles in the film thickness direction is less than 10% of the conductive particle diameter.

A gear is provided that has excellent continuous moldability for practical use, and both high slidability and high durability. The provided gear is a molded resin constructed of a resin composition comprising a thermoplastic resin (A) and cellulose nanofibers (B) with an average fiber diameter of 1000 nm or smaller, and having a number average molecular weight of the thermoplastic resin (A) in the range of 10,000 to 150,000, wherein a sliding surface of the gear with another gear teeth has an arithmetic mean surface roughness Sa of 3.0 .Math.m or lower.

The present disclosure relates to a silicone rubber foam layer obtainable by a process that includes providing a substrate; providing a first solid film and applying it onto the substrate; providing a coating tool provided with an upstream side and a downstream side, wherein the coating tool is offset from the substrate to form a gap normal to the surface of the substrate; moving the first solid film relative to the coating tool in a downstream direction; providing a curable and foamable precursor of the silicone rubber foam to the upstream side of the coating tool thereby coating the precursor of the silicone rubber foam through the gap as a layer onto the substrate provided with the first solid film; providing a second solid film and applying it along the upstream side of the coating tool, such that the first solid film and the second solid film are applied simultaneously with the formation of the adjacent layer of the precursor of the silicone rubber foam; foaming or allowing the precursor of the silicone rubber foam to foam; curing or allowing the layer of the precursor of the silicone rubber foam to cure thereby forming the silicone rubber foam layer; optionally, exposing the layer of the precursor of the silicone rubber foam to a thermal treatment; and optionally, removing the first solid film and/or the second solid film from the silicone rubber foam layer.

Disclosed is a reinforced polypropylene material, comprising in parts by weight: a, 10-90 parts of polypropylene resin, b, 0.5-25 parts of compatilizer, c, 5-60 parts of reinforced fibers and d, 0.1-20 parts of low-hardness toner. The reinforced fibers comprise a component I, a component II and a component III, where the component I is composed of reinforced fibers with a length of 0.1-0.6 mm and accounts for 35-50% of number of reinforced fibers, the component II is composed of reinforced fibers with a length of 0.7-1.3 mm and accounts for 35-45% of number of reinforced fibers, and component III is composed of reinforced fibers with a length of 1.4-2.0 mm and accounts for 5-20% of number of reinforced fibers. The present invention, by adjusting the length and the content distribution of the reinforced fibers in the reinforced polypropylene material formula, greatly preserves the maintained length of the reinforced fibers in the reinforced polypropylene material, and by combining a specific amount of low hardness toner and a specific amount of compatilizer, the low-temperature resilience and the long-term weatherability performance of the resulting reinforced polypropylene material are significantly improved.

An alumina powder containing alumina particles, wherein among the alumina particles, an average sphericity of an alumina particle having a projected area equivalent circle diameter of 50 nm or more as determined by microscopy is 0.80 or more, a content ratio of an alumina particle having a particle diameter of 75 μm or more is 0.05% by mass or less, an average particle diameter of the alumina powder is 0.2 μm or more and 15 μm or less, the average particle diameter is a particle diameter measured using a laser light diffraction scattering particle size distribution analyzer, and an amount of water included in the alumina powder measured by a specific measurement method is 30 ppm or more and 500 ppm or less.

A seal rubber composition contains a carboxyl group-containing acrylic rubber, silica, and two or more inorganic fibers, an amount of the silica per 100 parts by weight of the carboxyl group-containing acrylic rubber is 25 to 100 parts by weight, and a total amount of the inorganic fibers per 100 parts by weight of the carboxyl group-containing acrylic rubber is 35 to 100 parts by weight. A sealing member includes a sliding portion composed of a vulcanized product of the seal rubber composition.