16 results about "Antimony pentoxide" patented technology

The invention provides near-infrared adjustable double-perovskite type mechanoluminescence fluorescent powder as well as a preparation method and application of the near-infrared adjustable double-perovskite type mechanoluminescence fluorescent powder. The expression general formula of the double perovskite type mechanoluminescence fluorescent powder is Sr2M1-xSbO6: xCr < 3 + >, wherein M is Al, Ga, Sc, In or Y; x is equal to 1%-7%. The preparation process of the fluorescent powder comprises the following steps: a, weighing strontium carbonate, an oxide of M, antimony pentoxide and chromium sesquioxide according to the element proportion in the chemical general formula Sr2M1-xSbO6: xCr < 3 + >; b, mixing the weighed raw materials, and uniformly grinding to obtain a mixture; and c, carrying out high-temperature calcination on the obtained mixture to obtain the near-infrared adjustable double perovskite type mechanoluminescence fluorescent powder. By regulating and controlling the components of the substrate, the emission main peak can be adjusted from 780nm to 946nm. The fluorescent powder provided by the invention can show a self-recovery near-infrared stress luminescence characteristic without pre-irradiation under continuous stress stimulation, is simple to prepare and convenient for industrial batch production, and has a wide application prospect.

The invention discloses an indium gallium zinc oxide target material as well as a preparation method and application thereof. The indium gallium zinc oxide target material comprises the following preparation raw materials in parts by weight: 15-45 parts of indium oxide, 29-32 parts of gallium oxide, 25-54 parts of zinc oxide powder and 0.01-0.05 part of antimony pentoxide. According to the indium gallium zinc oxide target material provided by the invention, the sintering temperature of the target material and the volatilization rate of raw materials can be effectively reduced under the condition of not additionally introducing oxygen.

The invention relates to a method for recovering an antimony resource in arsenic-removed lead anode slime by a fluorination conversion method, which comprises the following steps of: grinding fluoride, a slag former, a reducing agent and the arsenic-removed lead anode slime to a certain particle size, and mixing according to a certain proportion to obtain a mixed material; the mixed material is subjected to high-temperature reduction smelting, the adding amount of fluoride, the adding amount of a slag former, the adding amount of a reducing agent, the smelting temperature and the smelting time are controlled, sodium antimonate in the arsenic-removed lead anode slime reacts with fluoride to generate sodium fluoride and antimony pentoxide, antimony pentoxide is reduced into metal antimony by the reducing agent, and lead-antimony alloy is formed; antimony resources in the arsenic-removed lead anode slime are recycled, and other components become smelting slag; and the addition amount of the fluoride relative to the arsenic-removed lead anode slime is 5-10 wt%. Compared with the prior art, the recovery efficiency of antimony resources in the arsenic-removed lead anode slime is improved.

The invention belongs to the technical field of target materials, and particularly relates to a tin oxide-based composite target material and a preparation method thereof. The tin oxide-based composite target material provided by the invention comprises tin oxide, doped oxides and sintering aids, the doped oxides are antimony pentoxide, vanadium pentoxide, nickel oxide and tungsten trioxide, and the sintering aids are magnesium oxide and yttrium oxide. The antimony pentoxide, the vanadium pentoxide, the nickel oxide and the tungsten trioxide are used as doped oxides, so that the electrical and optical properties of the target material are effectively improved; magnesium oxide and yttrium oxide are adopted as sintering aids, grains are refined, and the compactness and the mechanical property of the target material are improved; atomic-scale mixing of part of elements is achieved through a sol-gel method, then atomic-scale doping is conducted through a high-energy ball milling method, the distribution deviation of the elements in a matrix is reduced, sintering is conducted through a discharge plasma furnace, and the volatilization loss of the elements and the pore defect in the target material are reduced.

The application belongs to the technical field of target materials, and particularly relates to a tin oxide-based composite target material and a preparation method thereof. The tin oxide-based composite target material provided by the application comprises tin oxide, doped oxide and sintering aid, the doped oxide is antimony pentoxide, vanadium pentoxide, nickel oxide and tungsten trioxide, and the sintering aid is magnesium oxide and yttrium oxide. The application uses antimony pentoxide, vanadium pentoxide, nickel oxide and tungsten trioxide as the doped oxide, effectively improves the electrical and optical properties of the target material; uses magnesium oxide and yttrium oxide as the sintering aid, refines the grains, and improves the density and mechanical properties of the target material; uses the sol-gel method to realize atomic-level mixing of part of elements, then uses the high-energy ball milling method to realize atomic-level doping, reduces the distribution deviation of the elements in the matrix, uses the discharge plasma furnace to realize sintering, and reduces the volatilization loss of the elements and the pore defects in the target material.

The present invention provides a flame-retardant resin composition which is excellent in flame retardancy and heat resistance and is less likely to cause blooming. The present invention relates to a flame-retardant polypropylene resin composition characterized by comprising: (A) a polypropylene resin: 100 parts by weight; (B) a mixture of specific bisphenol S derivatives: 2 to 50 parts by weight; (C) at least one of (c1) tetrabromobisphenol A bis(2,3-dibromopropyl) ether and (c2) tris(2,3-dibromopropyl) isocyanurate: 0.2 to 20 parts by weight; and (D) at least one of antimony trioxide, antimony pentoxide, zinc molybdate, boron trioxide and zinc borate: 1 to 20 parts by weight.

This invention provides a corrosion-resistant PMMA / ABS composite material and its preparation method, relating to the field of polymer materials technology. The composite material provided by this invention comprises, by weight, 50-80 parts PMMA matrix, 40-80 parts ABS matrix, 5-10 parts brominated flame retardant, 5-10 parts toughening agent, 2-5 parts compatibilizer, 0.1-1 part lubricant, 0.1-1 part antioxidant, 0.1-1 part weathering agent, and 3-5 parts corrosion-resistant filler; wherein the corrosion-resistant filler includes nano-modified silica and nano-modified antimony pentoxide. The composite material provided by this invention exhibits excellent acid and alkali corrosion resistance and good mechanical properties, while the flame-retardant performance is improved by combining nano-modified antimony pentoxide with the brominated flame retardant.

The invention relates to a process for producing a catalytically active multi-element oxide containing the elements Mo, W, V, Cu and Sb, wherein an aqueous solution or an aqueous suspension is produced from at least one source of the element constituents W, Mo, V, Cu and Sb of the multi-element oxide, a powder P is produced by drying the obtained aqueous solution or aqueous suspension, geometrical precursor moldings are optionally produced using the obtained powder P, and the powder P or the geometrical precursor moldings are thermally treated, forming the catalytically active multi-element oxide, characterized in that antimony(V)oxide Sb2O5 is used as the source of the element constituent Sb.

To provide a decorative sheet having excellent low-temperature adhesion and flame retardancy.SOLUTION: There is provided a decorative sheet comprising a base material composed of a material containing polyvinyl chloride and an adhesive layer provided on one surface side of the base material, wherein the adhesive layer contains an emulsion-based adhesive, a flame retardant having a solidification point of 3°C or less and antimony pentoxide. The content rate of the emulsion-based adhesive in the adhesive layer preferably is 50 mass% or more and 95 mass% or less. Further, in the adhesive layer, the content of the flame retardant having a solidification point of 3°C or less preferably is 1 pt.mass or more and 60 pts.mass or less based on 100 pts.mass of the emulsion-based adhesive.SELECTED DRAWING: Figure 1

The invention discloses a preparation method of a Sb-doped ZnO microwire humidity-sensitive sensor and the humidity-sensitive sensor, and the preparation method comprises the following steps: S1, carrying out chemical vapor deposition on zinc oxide, antimony pentoxide and graphite to obtain a Sb-doped ZnO microwire; and S2, electrically connecting the Sb-doped ZnO microwire obtained in the step S1 with an electrode, and then adding an ethanol solution of a perfluorosulfonic polymer Nafion to the surface of the Sb-doped ZnO microwire, so that the Sb-doped ZnO microwire is fixed with the electrode, thereby obtaining the Sb-doped ZnO microwire miniature humidity-sensitive sensor. The Sb-doped ZnO microwire micro humidity-sensitive sensor disclosed by the invention has the advantages of short response time, short recovery time and high recovery rate.

The invention provides a high-gloss ABS (Acrylonitrile Butadiene Styrene) composite material and a preparation method thereof, and relates to the technical field of ABS materials. The composite material provided by the invention is prepared from the following components in parts by mass: 80 to 90 parts of ABS (Acrylonitrile Butadiene Styrene) resin, 10 to 20 parts of PBT (Polybutylene Terephthalate) resin, 5 to 15 parts of brominated flame retardant, 3 to 5 parts of compatilizer, 1 to 3 parts of modified antimony pentoxide flame-retardant aid, 1 to 2 parts of stabilizer and 0.5 to 1 part of lubricant, wherein the modified antimony pentoxide flame-retardant additive comprises antimony pentoxide particles and silver nanoparticles grown on the surfaces of the antimony pentoxide particles in situ. According to the invention, the surface of antimony pentoxide is modified with the silver nano layer, so that the flame retardant property and surface glossiness of the composite material can be synergistically improved.

A method for producing ethyl lactate includes subjecting lactic acid and ethanol to an esterification reaction in the presence of an antimony catalyst, so as to obtain ethyl lactate. The antimony catalyst is selected from the group consisting of antimony trioxide, antimony pentoxide, antimony trichloride, and combinations thereof, and the esterification reaction is carried out at a temperature ranging from 80° C. to 88° C. and under a pressure of 1 atm.

The invention belongs to the field of polymer compositions, and particularly relates to a flame-retardant polyester composite material and a preparation method and application thereof.The flame-retardant polyester composite material is prepared from 35-65 parts of polyester resin, 20-50 parts of reinforcing filler, 10-14 parts of brominated flame retardant, 0.5-1 part of antimony compound, 3-5 parts of hydrotalcite and 0-1 part of processing agent, the brominated flame retardant is at least one of decabromodiphenyl ethane, brominated epoxy resin, brominated polystyrene, tri (tribromophenoxy) triazine, brominated polycarbonate and poly (pentabromobenzyl acrylate), and the antimony compound is at least one of antimony trioxide, antimony pentoxide and sodium antimonate. The proportion of antimony in a bromine-antimony flame-retardant system is greatly reduced, the glowing filament ignition temperature of the flame-retardant polyester composite material is increased, the flame-retardant grade of the material is not reduced, meanwhile, good mechanical properties are kept, and the formula cost is reduced.

The invention relates to the field of fluorescent materials in biomedicine and the like, and particularly discloses a rare earth doped strontium lutetium antimonate up-conversion luminescent material and a preparation method thereof, the material is Sr2Lu1-x-ySbO6: xEr < 3 + > and yYb < 3 + >, x is greater than or equal to 0.01 and less than or equal to 0.04, and y is greater than or equal to 0.05 and less than or equal to 0.35; the preparation method comprises the following steps: weighing strontium carbonate, lutetium oxide, erbium oxide, ytterbium oxide and antimony pentoxide according to a certain ratio as raw materials, adding a proper amount of absolute ethyl alcohol, fully stirring, drying, pressing into sheets, and sintering in a muffle furnace at 1350 DEG C for a period of time. The rare earth doped lutetium strontium antimonate up-conversion luminescent material has the beneficial effects that stronger green light is emitted, when erbium ions and ytterbium ions are at the optimal concentration, the novel luminescent material Sr2Lu0. 73SbO6: 0.02 Er < 3 + > and 0.25 Yb < 3 + > excites stronger green light at 526 nm, has a key effect in optical temperature sensing, and has a huge development prospect as a rare earth doped lutetium strontium antimonate up-conversion luminescent material.

A method for producing a catalytically active multi-element oxide containing the elements molybdenum, tungsten, vanadium, copper and antimony, wherein from at least one source each of the elements tungsten, molybdenum, vanadium, copper and antimony of the multi-element oxide an aqueous solution or an aqueous suspension is generated, a powder P is generated by drying the aqueous solution or the aqueous suspension obtained, optionally a geometric precursor shaped body is produced using the powder P obtained, and the powder P or the geometric precursor shaped body is subjected to a heat treatment to form the catalytically active multi-element oxide, characterized in that antimony pentoxide (V) Sb2O5 is used as a source of the element antimony.

The invention discloses a continuous production method and equipment for preparing antimony pentoxide, and relates to the field of antimony pentoxide colloid production.The equipment comprises a mounting table, and a plurality of reaction bent pipes are fixedly connected to the mounting table. Two raw materials are accurately introduced into the reaction bent pipe and the mixing and heating mechanism in proportion, and the first rotation driving piece drives the transmission pipe and the screw rod to rotate, so that smooth flowing and full stirring and mixing of the raw materials in the reaction bent pipe are realized, and the reaction is promoted. Meanwhile, the heating temperature of the heat supply mechanism is gradually increased from left to right, and the raw materials are fully and uniformly heated, so that byproducts caused by local overheating are avoided, and the reaction purity is ensured. In addition, a second rotation driving piece in the discharging pipe drives the screw rod to convey the mixed raw materials again, continuous and sufficient reaction is achieved, the reaction effect and efficiency are greatly improved, and the product quality is improved.