162 results about "Antimony compounds" patented technology

This invention recognizes the hazards of beryllium and beryllium oxide in automotive applications and offers alternative material solutions. In particular, commercial electrochromic mirrors use beryllium comprising alloys for busbars and may also use beryllium oxide for the electronics used to power and control these mirrors. Further, this can be combined by reducing other known hazards such as mercury, cadmium, lead and antimony compounds.

A fire retardant polyamide composition comprising: 20 to 85% by weight of a polyamide (A) of 280° C. or higher melting point, comprising repeating units constituted of: dicarboxylic acid component units (i) consisting of 30 to 100 mol % of terephthalic acid component units, 0 to 70 mol % of component units of an aromatic dicarboxylic acid other than terephthalic acid and 0 to 70 mol % of component units of an aliphatic dicarboxylic acid having 4 to 20 carbon atoms, provided that the sum of these dicarboxylic acid component units is 100 mol %, and diamine component units (ii) composed of aliphatic diamine component units and / or alicyclic diamine component units; 5 to 50% by weight of an inorganic reinforcement (B); 5 to 40% by weight of a brominated fire retardant additive (C) obtained by copolymerizing brominated polystyrene with an olefin having an epoxy group; and 0.1 to 10% by weight of an antimony compound and / or a zinc compound oxide (D), provided that the sum of components (A), (B), (C) and (D) is 100% by weight. This fire retardant polyamide composition is excellent in fire retardant properties, flowability, toughness and reflow heat resistance.

A fabric is provided that has high degree of flame resistance in the case of a union fabric consisting of a halogen-containing flame resistant fiber including antimony compounds (A), and a cellulosic fiber, and the fabric is classified into class M1 of NF P 92-503 combustion test in France. A flame resistant union fabric obtained by co-weaving: a compound yarn (A) 30% to 70% by weight obtained by compounding a halogen-containing flame resistant fiber (a-1) including an antimony compound 25 to 50 parts by weight in an acrylic based copolymer 100 parts by weight obtained by polymerizing a monomer mixture including acrylonitrile 30 to 70% by weight, a halogen containing vinyl based monomer 30 to 70% by weight, and a vinyl based monomer copolymerizable therewith 0 to 10% by weight, and an other fiber (a-2), the compound yarn (A) having an elongation percentage less than 5% under a condition of a load of 300 mg / metric count of No. 17, and of a temperature range of 100 degrees C. to 500 degrees C.; a cellulosic fiber yarn (B) 70 to 30% by weight.

Disclosed are compositions comprising: a flame retardant composition comprising (i) an acrylonitrile-styrene-acrylate graft copolymer (ASA) or acrylate- modified ASA, (ii) at least one rigid thermoplastic polymer comprising structural units derived from styrene and acrylonitrile; alpha-methylstyrene and acrylonitrile; alpha-methylstyrene, styrene, and acrylonitrile; styrene, acrylonitrile, and methyl methacrylate; alpha-methyl styrene, acrylonitrile, and methyl methacrylate; or alpha- methylstyrene, styrene, acrylonitrile, and methyl methacrylate, or mixtures thereof, (iii) at least one halogenated flame retardant, (iv) at least one antidrip additive, (v) optionally at least one additive which comprises an inorganic or organic antimony compound, and (vi) optionally at least one acid scavenger. Articles made from said compositions are also disclosed.

A preparation method for a CZTS nano-particle material belongs to the technical field of materials. The method comprises the following steps: first, respectively preparing a reaction system A (dissolving copper salt, antimonic salt and elemental sulfur in ethylene diamine in an ultrasonic manner) and a reaction system B (a water solution of zinc salt and tin salt); then, mixing the system A and the system B in an ultrasonic manner, sealing and heating to 200 DEG C; keeping the the temperature for 7-24 hours for reaction; finally, taking black powder at the lower layer, and obtaining a target product through centrifugation and washing. According to the invention, a moderate amount of an antimony compound is added to allow copper ions and Sb ions to react with the sulfur so as to generate a mobile-phase copper-antimony-sulfur compound and to promote the growth of Cu2ZnSnS4; meanwhile, the crystal grain dimensions of the Cu2ZnSnS4 nano particles are more uniform. The prepared CZTS nano-particle is good in crystallinity, has no other impurity phase, and is more uniform in dimension distribution; the reaction time is greatly shortened under the action of the mobile phase; only sealing and heating equipment is required during the preparation process, so that the preparation steps are simple, and mass production is achieved.

The invention discloses a flame-retarding synergist and flame-retarding alkyl benzene sulphonate (ABS) prepared by the flame-retarding synergist. The formula of the novel flame-retarding synergist includes 20-50 parts of talcum powder, 0.5-10 parts of inorganic silicate, 10-30 parts of organosilicon substance, 20-50 parts of antimony compound and 0.2-5 parts of dispersing agent. The novel flame-retarding synergist can completely and equivalently replace antimonous oxide in a bromine-antimony compound flame-retarding system and prepare the low-cost flame-retarding ABS. Compared with the flame-retarding ABS prepared by an existing antimonous oxide brominated flame-retarding synergist, the flame-retarding ABS is lower in cost, better in flame-retarding stability and reduction of combustion smoke density and simpler and more convenient to produce and use, and other mechanical properties are remained the same or have better technical effect.

Disclosed is an electrode whose surface includes an organic / inorganic composite porous coating layer comprising heat-absorbing inorganic particles and a binder polymer, wherein the heat-absorbing inorganic particle is at least one particle selected from the group consisting of antimony-containing compounds, metal hydroxides, guanidine-based compounds, boron-containing compounds and zinc tartrate compounds. A separator using the heat-absorbing inorganic particles as a component for forming or coating the separator, and an electrochemical device including the electrode and / or the separator are also disclosed. The separator using the heat-absorbing inorganic particles as a component for forming or coating the separator can ensure excellent thermal safety and minimizes degradation of the quality of a battery.

This invention recognizes the hazards of beryllium and beryllium oxide in automotive applications and offers alternative material solutions. In particular, commercial electrochromic mirrors use beryllium comprising alloys for busbars and may also use beryllium oxide for the electronics used to power and control these mirrors. Further, this can be combined by reducing other known hazards such as mercury, cadmium, lead and antimony compounds.

The invention discloses a zinc oxide pressure-sensitive resistor raw material. The zinc oxide pressure-sensitive resistor raw material contains the following components in percentage by mole: 91-97% of ZnO, 0.1-3% of Bi2O3, 0.1-2% of Cr2O3, 0.1-1.5% of manganese-containing compound, 0.1-1.5% of cobalt-containing oxide and 0.1-1.5% of Nb2O5. According to the zinc oxide pressure-sensitive resistor raw material, a zinc oxide powder material is adopted as a main material, a stibium-containing compound as one of the traditional additive components is removed, and a variety of metal oxide components are added as additives; and the pressure-sensitive resistor manufactured by the raw material can make up various performance defects caused by the removal of the stibium-containing compound, the properties such as electrical property, mechanical property and reliability and the like are greatly improved, the pressure-sensitive voltage can be controlled in a wider range at the same time, and good comprehensive performance is gained.

Disclosed are compositions comprising: a flame retardant composition comprising (i) an acrylonitrile-styrene-acrylate graft copolymer (ASA) or acrylate-modified ASA, (ii) at least one rigid thermoplastic polymer comprising structural units derived from styrene and acrylonitrile; alpha-methylstyrene and acrylonitrile; alpha-methylstyrene, styrene, and acrylonitrile; styrene, acrylonitrile, and methyl methacrylate; alpha-methyl styrene, acrylonitrile, and methyl methacrylate; or alpha-methylstyrene, styrene, acrylonitrile, and methyl methacrylate, or mixtures thereof, (iii) at least one halogenated flame retardant, (iv) at least one antidrip additive, (v) optionally at least one additive which comprises an inorganic or organic antimony compound, and (vi) optionally at least one acid scavenger. Articles made from said compositions are also disclosed.

A water-soluble catalytic cracking multifunctional deactivator is disclosed. The deactivator comprises following components by weight: 6-30% of an antimony compound and 2-10% of a ligand, with the balance being water. In addition, a preparing method of the deactivator is disclosed. The deactivator has characteristics of capability of deactivating a plurality of metals simultaneously, good dispersity, high activity, low toxicity, miscibility with water, high deposition efficiency of effective components, and significant deactivating effects.

A method of recovering copper from a copper sulfide concentrate comprising a copper arsenic sulfosalt or a copper antimony sulfosalt, using pyrite as a catalyst. The concentrate and pyrite are added to an acidic sulfate leach solution. The copper is leached from the concentrate, in the presence of an oxygen-containing gas, under conditions whereby the pyrite is substantially unoxidized. The pyrite:copper sulfide ratio of the pyrite being added to the copper sulfide present in the concentrate being added is at least 1:3. The pyrite may be maintained at a concentration in the leach solution of at least 9 grams per liter. The leached copper is recovered from the solution by conventional methods.

A doping method includes: a first step of depositing a material solution containing an antimony compound containing elements selected from the group consisting essentially of hydrogen, nitrogen, oxygen, and carbon together with antimony to a surface of a substrate; a second step of drying the material solution to form an antimony compound layer on the substrate; and a third step of performing heat treatment so that antimony in the antimony compound layer is diffused into the substrate.

A polymerization catalyst for polyester production which consists mainly of ingredients other than antimony compounds and germanium compounds, has excellent catalytic activity, and gives a polyester which, even without undergoing catalyst deactivation or removal, is effectively inhibited from thermally deteriorating during melt processing and has excellent thermal stability; a polyester obtained by using the catalyst; and a process for producing a polyester with the catalyst. The catalyst contains neither antimony nor germanium, has an activity parameter (AP) satisfying AP (min) < 2T (min), gives polyethylene terephthalate having an index of thermal stability (TD, %) satisfying TD<25, and comprises a metallic ingredient and an organic compound ingredient containing an Ar-O- and / or Ar-N< unit. The polyester is usable as, e.g., various molded articles such as a fiber, film, sheet, and hollow molding.

A catalyst composition is disclosed. The composition comprises a titanium compound, a solubility promoter selected from the group consisting of orthosilicates, orthozirconates, and combinations thereof, a phosphorus source, a solvent, and optionally a sulfonic acid, a cocatalyst, or both. The cocatalyst can be a cobalt / aluminum catalyst, and antimony compound, or combinations thereof. Also disclosed is a process for producing the composition. The process comprises combining a titanium compound, a solubility promoter, a phosporous source, a solvent, and optionally a sulfonic acid, a cocatalyst, or both. Further disclosed is a process for using the composition which comprises contacting a carbonyl compound, in the presence of the composition, with an alcohol under a condition suitable for esterification, transesterification, polymerization, or combinations thereof.

To provide a polyamide resin composition which inhibits generation of a gas, formation of decomposition products and discoloration of molded articles even under high molding temperature conditions, is excellent in incombustibility and toughness, and heat resistance in a reflow soldering step being required for surface mounting. The present invention provides a flame-retardant polyamide composition comprising 20 to 80% by mass of polyamide (A), 5 to 40% by mass of a flame retardant (B), 0.01 to 0.45% by mass of an antimony compound (C) and 0.5 to 10% by mass of a salt of zinc or calcium (D).