61results about How to "Excellent heat resistance" patented technology

The invention is a catalyst formed by covering each surface of particles in a ceramic support with an alumina thin film and holding an active catalyst component with the surface of the thin film, which is large in the pore size and porosity and small in the pressure loss irrespectively of forming the alumina thin film on the surface and is produced, for example, by immersing the ceramic support in an aluminum-containing metallic compound, preliminarily firing, immersing in hot water, drying, firing and finally holding the active catalyst component on the alumina thin film on the surface of the support.

A slurry for forming an insulating layer of the present invention includes heat-resistant insulating fine particles, a thickening agent, and a dispersion medium. The insulating fine particles are dispersed in the dispersion medium. The slurry for forming an insulating layer has a viscosity of 5 to 500 mPa·s. The proportion of particles with a particle size of 1 μm or less in the insulating fine particles is 30 vol % or more and the proportion of particles with a particles size of 3 μm or more in the insulating fine particles is 10 vol % or less. An electrochemical device of the present invention includes a separator for an electrochemical device of the present invention that is produced using the slurry for forming an electrochemical device of the present invention.

A polyamide resin composition includes (A) polyamide resin, (B) white pigment, and (C) sodium phosphate salt.

An organic compound having excellent heat resistance, an excellent amorphous nature, an excellent ability to transport charges, highly excited singlet and triplet states, and excellent solubility in an organic solvent is an organic compound represented by Formula (I):

The invention relates to a sealing composition which comprises a crosslinkable fluoroelastomer, a crosslinking agent for this elastomer and a reinforcing polyimide resin powder; and seals such as O-rings, made by molding the composition into a prescribed shape and crosslinking the molded article. According to the invention, seals free from metals and sulfur can be made from a fluoroelastomer suitable for the production unit for semiconductor devices without a scatter of physical properties within one seal or among seals, and the obtained seals are lowered in the compression set determined ate the same hardness level to cause little permanent set by compression in use, thus having a prolonged service life.

Disclosed is a carbon-fiber-reinforced composite material that is suitable for use as a construction material and exhibits high mechanical strength in harsh usage environments such as low-temperature environments and high-temperature moisture-absorbing environments. Also disclosed are an epoxy resin composition for producing the aforementioned carbon-fiber-rein-forced composite material and a prepreg obtained through the use of said epoxy resin composition. Said epoxy resin composition comprises at least the following constituents, by mass with respect to the total mass of the composition: (A) between 20% and 80% of an epoxy resin having the structure represented by formula (1); and (B) between 10% and 50% of an epoxy resin that has at least two ring structures with four or more members each and also has one amine glycidyl or ether glycidyl directly connected to a ring structure.

A molded article produced by injection-molding a molten form of a flame-retardant aromatic polycarbonate resin composition comprising: 100 parts by weight of an aromatic polycarbonate (A) (Mw: 17,000 to 35,000), 0.01 to 3 parts by weight of inorganic compound particles (B) (average diameter: 10 nm to 10 μm), 0.001 to 0.5 part by weight of an alkali metal salt (C) of an organic sulfonic acid, and 0.01 to 0.5 part by weight of a fluoropolymer (D), wherein the largest FL/t ratio of the molded article is 50 or more, wherein FL is a flow length of the composition in a mold and t is a thickness of the molded article, the FL/t ratios being obtained by measuring the thicknesses of the molded article at portions corresponding to flow paths (L) (from a gate to points at which the flow of the composition stops) of the composition in the mold during the molding, and calculating an integral of (dL/T′) along each (L) (dL: length of a segment of (L), t′: thickness of the molded article at a portion corresponding to the segment), wherein the calculated integrals are defined as the FL/t ratios.

A thermal conductive sheet contains boron nitride particles, an epoxy resin, and a curing agent. The epoxy resin contains a crystalline bisphenol epoxy resin and the curing agent contains a phenol resin having a partial structure represented by the following formula (1).

A binder fiber comprising a polyamide component in at least part of a surface thereof is prepared. The polyamide component contains a semi-aromatic polyamide at least having an aromatic ring unit and a C_3-7 alkane unit which may have a branched CA _1-3 alkyl chain. In the binder fiber, the polyamide component may be (a) a semi-aromatic copolyamide having an aromatic ring unit, a C_3-7 alkane unit which may have a branched C_1-3 alkyl chain, and a C_8-12 alkane unit which may have a branched C_1-3 alkyl chain. The polyamide component may be (d) a combination of (b) a semi-aromatic polyamide and (c) a semi-aromatic polyamide, wherein the polyamide (b) has an aromatic ring unit and a C_3-7 alkane unit which may have a branched C_1-3 alkyl chain, and the polyamide (c) has an aromatic ring unit and a C_8-12 alkane unit which may have a branched C_1-3 alkyl chain.

A thermosetting polyimide resin composition is provided which comprises a polyimide resin and an epoxy resin, which has excellent heat resistance, low dielectric constant and low dielectric loss tangent and also yields a cured article having good mechanical properties such as tensile strength and tensile elongation. Also, a process for producing a polyimide resin used in the polyimide resin composition is provided. The thermosetting polyimide resin composition comprises a polyimide resin (X), which has a carboxyl group and a linear hydrocarbon structure having a number-average molecular weight of 300 to 6,000, and an epoxy resin (Y). The polyimide resin is obtained by reacting a prepolymer (A) having an isocyanate group at the end, which is obtained by reacting a polyisocyanate compound (a1) with a polyol compound (a2) having a linear hydrocarbon structure in which a number-average molecular weight of a linear hydrocarbon structure is from 300 to 6,000, with an anhydride (B) of polycarboxylic acid having three or more carboxyl groups in an organic solvent.

A battery separator includes a porous membrane A with a thickness of less than 10 μm including a polypropylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies a specific range of thickness, average pore size, and porosity, and the entire battery separator satisfies a specific range of thickness, peeling strength at the interface between the porous membrane A and the porous membrane B, and difference in air resistance between the entire battery separator and the porous membrane A.

A battery separator includes a porous membrane A including a polyethylene resin, and a porous membrane B laminated thereon including a heat resistant resin and inorganic particles or cross-linked polymer particles, wherein the porous membrane A satisfies expressions (a) to (c), and the entire battery separator satisfies expressions (d) to (f).

The invention provides a preparation method of a carbon material-supported ruthenium metal catalyst containing a barium auxiliary agent and relates to a preparation method of a catalyst taking a carbon material as a carrier, ruthenium metal as an active component and barium as an auxiliary agent. The preparation method particularly comprises the following steps: firstly, impregnating a ruthenium metal loaded carbon material into a barium nitrate water solution and carrying out reduction treatment under a certain temperature; treating the sample at a certain temperature range under the condition that carbon-containing gas exists; finally, reducing in a hydrogen atmosphere or nitrogen-hydrogen mixed gas to obtain the carbon material-supported ruthenium catalyst containing the barium auxiliary agent. Compared with the carbon material-supported ruthenium metal catalyst containing the barium auxiliary agent, which is prepared by an existing method, the catalyst provided by the invention has relatively high ammonia synthesis activity and heat stability and a relatively good application prospect.

Disclosed is an Al alloy film for use in a display device, which does not undergo the formation of hillocks even when exposed to high temperatures of about 450° C. to 600° C., and has excellent high-temperature heat resistance, low electrical resistance (wiring resistance) and excellent corrosion resistance under alkaline environments. Specifically disclosed is an Al alloy film for use in a display device, which comprises at least one element selected from a group X consisting of Ta, Nb, Re, Zr, W, Mo, V, Hf and Ti and at least one rare earth element, and which meets the following requirement (1) when heated at 450° C. to 600° C. (1) Precipitates each having an equivalent circle diameter of 20 nm or more are present at a density of 500,000 particles/mm² or more in a first precipitation product containing at least one element selected from Al and the elements included in the group X and at least one rare earth element.

The invention discloses a high-hardness impact-resistant heat-insulation foamed plastic which comprises the following raw materials in parts by weight: 57-60 parts of ABS (acrylonitrile butadiene styrene) resin, 32-35 parts of EVA (ethylene vinyl acetate) resin, 22-26 parts of epoxy resin, 15-18 parts of phenolic resin, 3-3.6 parts of nylon 66 fibers, 2.5-2.9 parts of glass fibers, 2.4-2.7 parts of a silane coupling agent A-172, 15-18 parts of a foamer K, 3-6 parts of supercritical nitrogen gas, 9-12 parts of supercritical carbon dioxide, 3-6 parts of a polyethylene-octene copolymer elastomer (POE), 2.1-2.4 parts of diisononyl phthalate (DINP), 3.7-4 parts of epoxy octyl stearate, 7-10 parts of fumed silica, 25-28 parts of wollastonite powder, 17-21 parts of augite powder, 10-13 parts of mica powder, 0.7-2.1 parts of an antioxidant RD and 2.4-2.8 parts of an antioxidant 4010NA.

A diene rubber is modified for increasing the dispersibility of silica and improving wear resistance and resistance to heat generation. Specifically disclosed is a modified diene rubber which is obtained by adding a compound (B) having a nitroxide free radical, which is stable at room temperature in the presence of oxygen, in the molecule, a radical initiator (C) and a radically polymerizable monomer (D) having a functional group in the molecule to a diene rubber (A), and then reacting the resulting mixture. Also specifically disclosed are a rubber composition containing the modified diene rubber, and a pneumatic tire.

An object of the present invention is to provide an insulated wire which includes an insulating layer with a low relative permittivity and has excellent heat resistance and excellent abrasion resistance. The insulated wire of the present invention includes a conductor (A), and an insulating layer (B) formed on the periphery of the conductor (A), the insulating layer (B) is formed from a resin composition that contains a resin (I) with a relative permittivity of 3.0 to 4.0 and a fluororesin (II).

The invention belongs to gloves braiding technology field, discloses an anti-cutting cladding yarn and a preparation method and a purpose; the curling coefficient of the anti-cutting cladding yarn is 99.8; the preparation of the anti-cutting cladding yarn comprises the following steps: spandex filament is used as the core, and cladding yarn after wire contacting, nylon wire or polyvinyl filament or polypropylene fiber filament are used to clad the core; when the core is claded, the cladding yarn twist is 470-520, and the twisting direction is S-shaped; the twist of nylon wire or polyvinyl filament or polypropylene fiber filament is 209-231 and twisting direction is Z-shaped; the rabbi of the spandex filament is between 1.4-3.5 times; by weight percentage, the prepared anti-cutting cladding yarn comprises the cladding yarn 35-45%, nylon wire or polyvinyl filament or polypropylene fiber filament 45-60% and spandex filament 5-15%. The gloves made by the cladding yarn provided by the invention have the advantages of highly improved anti-cutting performance, thermal contact performance, wear resistant performance, anti tear performance and anti-puncture performance.

Provided is a compound containing a phenolic hydroxy group which has excellent heat resistance, a resist composition which has excellent thermal decomposition resistance, optical sensitivity and resolution, and a composition for a resist underlayer coating which has excellent thermal decomposition resistance and dry etching resistance. The compound containing a phenolic hydroxy group has a molecular structure represented by Structural Formula (1) below:

wherein R¹ is a hydrogen atom, an alkyl group or an aryl group, n is an integer of 2 to 10, R² is any one of an alkyl group, an alkoxy group, an aryl group, an aralkyl group and a halogen atom, m is an integer of 0 to 4, and when m is 2 or greater, a plurality of R²'s may be the same as or different from each other and may be bonded to either one of two aromatic rings of the naphthylene skeleton.

The invention discloses a novel aromatic amine compound. The compound molecule general formula of the novel aromatic amine compound can be seen in the specification, wherein R1, R2 and R3 are alkyl with the hydrogen atom number or carbon atom number ranging from 1 to 30 or aryl with the carbon atom number ranging from 6 to 50 or heterocyclic radicals with the carbon atom number ranging from 5 to 50 or aromatic amidogen with the carbon atom number ranging from 6 to 30, Ar1 and Ar2 are aklary with hydrogen atom number or the carbon atom number ranging from 7 to 50 or aryloxy with the carbon atom number ranging from 7-50 or alkaryl sulfydryl with the carbon atom number ranging from 7 to 50 or aryl with the carbon atom number ranging from 6 to 50 or heterocyclic radicals with the carbon atom number ranging from 5 to 50 or aromatic amine with the carbon atom number ranging from 6 to 30 or aryloxy with the carbon atom number ranging from 6-50 or aryloxy aryl sulfydryl with the carbon atom number ranging from 6-50. The aromatic heterocyclic compound is used for preparing organic electro-devices, and the devices manufactured through the novel heterocyclic compound have the advantages of being high in brightness, good in heat resistance, long in service life, high in efficiency and the like.

The invention relates to a mutant α-amylase obtained by making replacement or deletion of at least one of amino acid residues such as the 167th Gln, 169th Tyr and 178th Ala in the amino acid sequence set forth in SEQ ID NO:1 in an α-amylase having said amino acid sequence, or an α-amylase having a homology of at least 70% to said amino acid sequence, a gene encoding the mutant α-amylase, a vector, transformed cells, a process for producing a mutant α-amylase, comprising culturing the transformed cells, and a detergent composition comprising the mutant α-amylase. The mutant α-amylase of the invention has excellent properties of high resistance to chelating agents, high specific activity in an alkaline region and excellent stability to heat, and is hence useful for detergents for automatic dish washer, laundry detergents and the like.

A polylactic acid composition wherein a ratio (L/D) of an L-lactic acid unit and a D-lactic acid unit is from 30/70 to 70/30; a weight average molecular weight (Mw) is from 100,000 to 300,000; a stereocomplex crystal content (S) is 80% or more; a melting point (Tm) of a stereocomplex crystal is 200° C. or higher; and a degree of randomization (R) is from 0.001 to less than 2.5%, and a fiber thereof.

A method that has a step (a) of melt-kneading 0.003 to 0.3 part by mass of an organic peroxide, 0.5 to 400 parts by mass of an inorganic filler, and more than 2 parts by mass and 15.0 parts by mass or less of a silane coupling agent, with respect to 100 parts by mass of a resin containing a halogen-containing resin, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; a heat-resistant crosslinked resin formed body obtained by the method, a silane master batch, a mixture and a formed body thereof, and a heat-resistant product.

A lenticular lens medium forms a lenticular lens which includes a plurality of semicylindrical-shaped or arc-shaped elongated convex parts. The lenticular lens medium has a volume resistivity of 1×10⁷-1×10¹⁴Ω·cm and a surface resistivity of 1×10⁸-1×10¹⁵Ω/□.

The present invention provides a polymerizable composition and a resin formed object capable of providing a crosslinked cycloolefin formed object and a crosslinked cycloolefin resin composite excellent in heat resistance, more specifically, a polymerizable composition comprising a cycloolefin mixture containing 0.1 to 50% by mole of a cycloolefin having, as a substituent group, a monovalent group including an aliphatic carbon-carbon unsaturated bond, a metathesis polymerization catalyst, and a radical generating agent; and formed objects produced by using a polymerizable composition described above which preferably further comprises a chain transfer agent and making the cycloolefin mixture undergo at least ring-opening polymerization.

A non-halogenous insulated wire possessing sufficient flame retardancy and excellent heat resistance, wear resistance and flexibility, and a wiring harness including the wire. The wire includes a conductor, an inside coat of one or more layers and an outermost coat, wherein the outermost coat is in the range of 10 to 100 μm in thickness and is made from a resin composition including an olefin resin with a melting point of 180° C. or more and/or an olefin resin having a —Si(X₁)(X₂)(X₃) group, by 20 wt % or more, and at least one of the layers of the inside coat is made from a resin composition including (A) an olefin resin with a melting point of 180° C. or more by 50 to 5 part weight, (B) an olefin resin by 50 to 95 part weight, and (C) a metallic hydrate by 30 to 250 part weight.

To provide a process for producing a fluoroolefin/vinyl alcohol copolymer with sufficiently high productivity and excellent heat resistance, whereby a quality loss by coloration is prevented, and a fluoroolefin/vinyl alcohol copolymer obtainable by such a process. A process for producing a fluoroolefin/vinyl alcohol copolymer, which comprises a polymerization step of copolymerizing a specific fluoroolefin and a vinyl ether having a hydrogen atom of a hydroxy group of a vinyl alcohol substituted with a protective group which can be deprotected, and a deprotection step of substituting the protective group in polymerized units based on the vinyl ether in the copolymer obtained in the polymerization step, with a hydrogen atom to form a hydroxyl group, and the fluoroolefin/vinyl alcohol copolymer obtainable by such a process.

A method for manufacturing a molded article includes applying a photosensitive composition to at least one of a first plate and a second plate to form a coated film. The first plate is pressed against the second plate with the coated film therebetween. The coated film of the photosensitive composition is exposed. The first plate is separated from the second plate. The exposed coated film is heated. At least one of the first plate and the second plate has a pattern including concave and convex on its surface, and the coated film conforms to the pattern in the step of pressing the first plate against the second plate. The photosensitive composition includes a thioether compound, a photopolymerization initiator other than a phosphine oxide compound and an α-aminoalkylphenone compound, and a compound having 1 to 6 (meth)acryloyl groups in one molecule.

Disclosed is a wax that is added to a thermoplastic resin that undergoes a molding process at high temperatures. The wax does not thermally decompose when that thermoplastic resin composition undergoes the molding process. The wax also prevents mold fouling and provides superior lubricating properties and mold release properties. Also disclosed are a method for producing the wax with superior productivity, a lubricant and mold release agent for thermoplastic resin molding processes.

The wax contains a dehydration condensed amide wax component. 99.98-5% by weight of which is an acid, which is formed from 2 mol of a C_12-22 saturated aliphatic monocarboxylic acid by molar ratio and “a” mole of a C_2-12 polybasic acid by molar ratio (0≦“a”≦5), and “b” mole of a C_2-14 diamine by molar ratio (1≦“b”≦6), and 0.02-5% by weight of an oxidation inhibitor that has compatibility with this amide wax component.

The invention discloses a recombined Newcastle disease heat-resisting vaccine strain for expressing H5 subtype avian influenza virus truncated HA protein and a preparation method. The heat-resisting vaccine strain is classified and named rTS-HA1/H5, and is preserved in China Center for Type Culture Collection in Wuhan University, and the preservation number is CCTCC NO:V201629. The vaccine strain has remarkable heat-resisting performance, dependency on a cold chain system can be remarkably reduced, the preservation and transportation cost is reduced, and the heat stability of vaccines is improved. The incomplete HA protein is expressed by the vaccine strain, only an HA1 region (1-1041nt) with high immunogenicity in the HA protein is selected, and the immunoprotection effect of the vaccines can be enhanced specifically. The vaccine strain can be used for preparing an H5 avian influenza and Newcastle disease bigeminal heat-resisting vaccine.