67 results about "Antimony compounds" patented technology

The invention relates to the field of lead storage batteries, and discloses a lead storage power battery positive electrode lead paste additive and application thereof. The additive is composed of a tin-antimony compound, 4BS and graphite, the addition amount of the tin-antimony compound is 0.1%-0.5% of the weight of lead powder used in the positive electrode of the lead storage power battery, the addition amount of the 4BS is 0.5%-2% of the weight of the lead powder used in the positive electrode of the lead storage power battery, and the addition amount of the graphite is 0.1%-0.3% of the weight of the lead powder used in the positive electrode of the lead storage power battery. The additive disclosed by the invention is used in the positive lead plaster of the lead storage power battery, and can improve the porosity of a polar plate, improve the charge-discharge efficiency and the initial capacity of the battery and guarantee the cycle service life of the battery at the same time.

The invention relates to the technical field of lithium ion batteries, and particularly discloses an antimony chalcogenide coated lithium cobalt oxide positive electrode material and a preparation method and application thereof.The preparation method comprises the steps that lithium cobalt oxide powder is mixed with an antimony-containing compound, a sulfur-containing compound and a selenium-containing compound in deionized water, and a uniformly-dispersed precursor solution is formed; the molar ratio of the lithium cobalt oxide powder to the compound containing antimony, sulfur and selenium is 1: (0.01-1): (0.01-3): (0.001-2); drying the precursor solution to obtain solid powder; and calcining the solid powder at 100-500 DEG C in a protective atmosphere to finally obtain the antimony chalcogenide coated lithium cobalt oxide positive electrode material. According to the preparation method of the antimony chalcogenide-coated lithium cobalt oxide positive electrode material, the prepared antimony chalcogenide-coated lithium cobalt oxide positive electrode material has good structural stability, and when the antimony chalcogenide-coated lithium cobalt oxide positive electrode material is used in a lithium ion battery, the specific capacity of the lithium cobalt oxide battery under high voltage can be remarkably improved, and the cycle life of the lithium cobalt oxide battery under high voltage can be remarkably prolonged.

Methods for preparing catalysts for oxidative dehydrogenation (ODH) of alkanes such as ethane are provided. An exemplary method includes forming a slurry including metal oxides; one or more of a bismuth compound, an antimony compound, and a tellurium compound; a reducing agent; and water; and heating the slurry to form the catalyst. The metal oxides include an oxide of molybdenum and an oxide of vanadium. The bismuth compound includes bismuth oxide, bismuth hydroxide, or a bismuth carbonate. The antimony compound includes an oxide of antimony, an antimony acetate, or an antimony ethoxide. The tellurium compound includes tellurium dioxide. The reducing agent includes molybdenum dioxide and may further include vanadium dioxide. The methods use all inorganic reagents, with no build up COx pressure observed during the hydrothermal synthesis.

This invention belongs to the field of vanadium redox flow batteries, specifically relating to a vanadium redox flow battery precursor, a vanadium redox flow battery, and a method for preparing the same. The vanadium redox flow battery precursor of this invention includes a positive electrode electrolyte precursor and a negative electrode electrolyte precursor; the positive electrode electrolyte precursor includes vanadium ions, an inorganic acid, a positive electrode side reaction inhibitor precursor, and a solvent; wherein the positive electrode side reaction inhibitor precursor is aniline; the inorganic acid includes hydrochloric acid; the negative electrode electrolyte precursor includes vanadium ions, an inorganic acid, a negative electrode side reaction inhibitor precursor, and a solvent; wherein the negative electrode side reaction inhibitor precursor is a metal compound; the metal compound is selected from one or more of tin compounds, bismuth compounds, and antimony compounds; the inorganic acid includes hydrochloric acid.

The present invention addresses the problem of providing a method for producing a polyester film that uses a polyester resin that has been used and that uses at least one compound selected from the group consisting of antimony compounds, titanium compounds, and germanium compounds as a polymerization catalyst, that is not susceptible to discoloration and reduction in molecular weight even when recycled multiple times, and that has high recycling efficiency. The present invention relates to a method for producing a polyester film, the method comprising a step for mixing a recovered polyester resin (A) and a polyester resin (B) containing an aluminum compound and a phosphorus compound, the polyester resin (A) satisfying the following (1)-(3), and the polyester resin (B) satisfying the following (4). (1) The polyester resin (A) contains at least one element selected from among elemental antimony, elemental titanium, and elemental germanium. (2) The total content of elemental antimony, elemental titanium, and elemental germanium in the polyester resin (A) is 2-500 mass ppm. (3) The intrinsic viscosity of the polyester resin (A) is 0.5-0.8 dl / g. (4) The polyester resin (B) The present invention is a resin obtained by polycondensing a starting material containing di-2-hydroxyethyl terephthalate obtained by decomposing a polyester resin.

To provide a resin composition which is excellent in electromagnetic wave shielding property and flame retardance, and a pellet and a molded article which are formed of the resin composition.SOLUTION: A resin composition contains (A) a polybutylene terephthalate resin, (B) a thermoplastic resin having an SP value lower than that of the polybutylene terephthalate resin, (C) a carbon fiber, (D) a halogen-based flame retardant, and (E) an antimony compound, wherein (E) the antimony compound is derived from (E1) a material which is made into a master batch by a thermoplastic resin having an SP value lower than that of the polybutylene terephthalate resin, the content of (C) the carbon fiber in the resin composition is 5 to 30 mass%, and (B) / (A), which is a mass ratio of (B) to (A), is more than 0.1 and less than 1.0.SELECTED DRAWING: None

A resin composition, which is a resin composition containing an ethylene-vinyl acetate copolymer resin as a resin component, wherein the resin composition contains an imidazole compound, a phenolic compound and a thioether compound as antioxidants, and a bromine compound and an antimony compound as flame retardants, and relative to 100 parts by mass of the total content of the above-mentioned resin components in the resin composition, the content of the above-mentioned imidazole compound is 14 parts by mass to 24 parts by mass, the content of the above-mentioned phenolic compound is 1.0 parts by mass to 2.0 parts by mass, the content of the above-mentioned thioether compound is 0.3 parts by mass to 0.9 parts by mass, the content of the above-mentioned bromine compound is 15 parts by mass to 30 parts by mass, and the content of the above-mentioned antimony compound is 5 parts by mass to 15 parts by mass.

Provided is a method for producing an alkali-free glass substrate having a small number of pinholes. The method is a method for continuously producing an alkali-free glass substrate of the SiO2-Al2O3-RO (RO represents one or more of MgO, CaO, BaO, SrO, and ZnO) system, which includes a step of preparing a raw batch material containing a tin compound and substantially not containing an arsenic compound and an antimony compound; a step of electrically melting the prepared raw batch material in a melting furnace capable of performing electric heating using an electrode; and a step of forming the molten glass into a plate shape by a down-draw method, and the obtained glass has a β-OH value of 0.05 / mm or more and a number of metallic pinholes of 20 / t or less.

The present invention relates to an antimony-containing thin film evaporation composition containing a novel antimony compound that can be effectively used as a precursor for an antimony-containing thin film, and a method for producing an antimony-containing thin film using the same.

The application discloses a high-nickel positive electrode material and a preparation method and application thereof, and belongs to the technical field of new energy sources. x Co y M z M´ w O2 and a porous base material and a gap-filling substance, wherein 0.80<=x<=0.98, 0.02<=y<=0.20, 0<=z<=0.06, 0<w<=0.02; x+y+z+w=1; M is at least one of Mn and Al, M´ is at least one of Y, Sr, La, B, Mg and Ti; the gap-filling substance exists in the inside of the pores and comprises a sintered product derived from an additive B, the additive B comprises a zirconium-containing compound and at least one of a tungsten-containing compound, an antimony-containing compound and a bismuth-containing compound. The high-nickel positive electrode material has excellent long cycle performance and rate performance. The application further provides a preparation method and application of the high-nickel positive electrode material.

Provided are a composition for depositing an antimony-containing thin film including a novel antimony compound which may be useful as a precursor of an antimony-containing thin film and a method for manufacturing an antimony-containing thin film using the same.

A flame-retardant resin composition according to the present invention comprises: 40-90 wt% of a recycled polypropylene resin (A), 1-25 wt% of a bromine-based flame retardant (B), 1-15 wt% of an antimony (C), 0.1-10 wt% of a hydrotalcite (D), 0.01-3 wt% of a triazine-based compound (E), 0.01-3 wt% of a sulfur-based antioxidant (F), and 0.01-3 wt% of a phosphorus-based antioxidant (G). The bromine-based flame retardant (B) contains at least one of 2,2-bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane and bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]sulfone. The phosphorus-based antioxidant (G) is a diphosphate-based compound.

To provide a thermoplastic resin composition that can produce molded articles with excellent extrusion moldability, flexibility, flame retardancy, and dielectric breakdown properties. [Solution] A thermoplastic resin composition comprising (A) 100 parts by mass of polybutylene (terephthalate / dodecadioate) copolymer having a melt mass flow rate of 3.0 g / 10 min or less, measured at a temperature of 250°C and a load of 1000 g in accordance with ISO 1133, (B) 10 to 20 parts by mass of a flame retardant having a benzene ring in its side chain, and (C) 3 to 8 parts by mass of an antimony compound.

The invention discloses a zero-dimensional inorganic metal halide luminescent material as well as a preparation method and application thereof, and belongs to the technical field of photoluminescent materials. The chemical formula of the material is K3SbCl6, the crystal structure of the material is composed of isolated [SbCl6] 3-octahedron and K < + > ions, and typical 0D structural characteristics are shown; k3SbCl6 can emit bright yellow fluorescence under the excitation of ultraviolet light, and shows excellent optical properties, including a remarkable broadband emission characteristic and an ultra-high photoluminescence quantum yield close to 100%. The material is synthesized by adopting a room-temperature solid-state interface diffusion method, a potassium-containing compound and an antimony-containing compound are in close contact under a room-temperature condition, and efficient synthesis of K3SbCl6 can be realized by utilizing an interface diffusion reaction between the potassium-containing compound and the antimony-containing compound; the method does not need harsh synthesis conditions such as high temperature and high pressure, significantly reduces the process complexity and energy consumption, and has good industrial application prospects.

The application provides a phosphorus-nitrogen rare earth compound and a rare earth flame-retardant fabric, which comprises a flame-retardant coating primer and a flame-retardant coating top glue, wherein the flame-retardant coating primer is made of raw materials including the following components in parts by weight: polyurethane emulsion 30-35 parts, the phosphorus-nitrogen rare earth compound of claim 1 15-50 parts, decabromodiphenyl ethane 5-25 parts, N,N-dimethylformamide 20-30 parts, a bridging agent 1-3 parts, a crosslinking agent 1-1.5 parts, and a promoter 0.2-1.5 parts. The phosphorus-nitrogen rare earth compound has excellent synergistic flame-retardant performance, can replace halogen and antimony-containing compounds in a flame-retardant system, reduces the generation of smoke and harmful gases, and has strong structural stability to the para-position structure of hydroxyphenyl phosphoric acid in the form of ion state under specific reaction conditions, and the specific triazine ring structure of melamine can effectively improve the thermal stability of the fabric.

The invention discloses high-activity ethylene glycol antimony waste liquid filtering equipment, and relates to the field of chemical waste liquid filtering equipment.The high-activity ethylene glycol antimony waste liquid filtering equipment comprises a box body and a rotationally-arranged separation kettle, a heating piece and a main filter screen are arranged in the separation kettle, a functional opening is formed in the side wall of the separation kettle, a feeding box is arranged above the box body, and a functional pipe is vertically arranged on the outer side of the separation kettle; one end of the functional pipe is communicated with the functional port, and the other end of the functional pipe is freely arranged; an air entraining pipe is arranged above the box body, the top end of the air entraining pipe is communicated with a negative pressure pump, and the bottom end of the air entraining pipe is communicated with the functional pipe; and a residue collecting drawer is arranged below the box body and is matched with the functional pipe. According to the scheme, through the arrangement of the heating piece, the functional pipe and the negative pressure pump, under the adjustment of negative pressure and temperature rise, ethylene glycol in waste and antimony are promoted to generate esterification reaction, ethylene glycol antimony is formed after cooling, the separated ethylene glycol antimony is filtered out and collected, and through the design of a rotating structure, mother liquor can be repeatedly used; therefore, the content of antimony-containing compounds used in the waste liquid is greatly reduced.

The invention relates to the technical field of glass production auxiliaries, and discloses a clarifying agent for producing photovoltaic glass and a preparation method thereof.The clarifying agent is prepared from, by weight, 10-20 parts of sodium nitrate, 40-70 parts of sodium sulfate, 1-5 parts of antimony compound and 5-15 parts of recycled powder; the recycled powder comprises the optical glass polishing waste powder subjected to recycling treatment. The optical glass polishing waste powder is used for preparing the photovoltaic glass clarifying agent, and the problems that existing polishing waste powder is difficult to economically recycle, rare earth resources are wasted, and the rare earth raw material cost of the glass clarifying agent is high are effectively solved.

The invention discloses a double-layer electrocatalyst prepared based on a pulse electrodeposition method and a preparation method and application of the double-layer electrocatalyst. The preparation method comprises the steps that a cut titanium felt is sequentially subjected to ultrasonic water washing, alkali washing and acid washing; dissolving a tin-containing and antimony-containing compound and a carbon source in a deep eutectic solvent formed by mixing choline chloride and ethylene glycol to prepare an intermediate layer electro-deposition solution; dissolving a tin-containing compound, an antimony-containing compound, a nickel-containing compound, a ruthenium-containing compound and a neodymium-containing compound into a deep eutectic solvent to prepare an outer-layer electro-deposition solution; and taking two graphite electrodes as anodes and the pretreated titanium felt as a cathode, carrying out pulse electrodeposition in the middle layer electrodeposition liquid, drying and roasting the obtained electrocatalyst, and repeating the electrodeposition step in the outer layer electrodeposition liquid to obtain the electrocatalyst. The pulse electrodeposition method is adopted, bidirectional pulse alternate deposition is adopted, meanwhile, the strategy of introducing the middle layer is adopted, a compact and uniform electrocatalyst layer is formed, and the electrocatalyst has high Faraday efficiency when sodium hypochlorite is produced through electrocatalysis and is low in energy consumption and cost.

The invention belongs to the technical field of semiconductor material characterization, and relates to an antimonide material carrier concentration detection method. The method comprises the following steps: growing a first antimony-containing compound material layer on a conductive gallium antimonide substrate; performing an electrochemical capacitance-voltage test on the first antimony-containing compound material layer to obtain a first carrier concentration value; growing a second antimony-containing compound material layer on the semi-insulating gallium arsenide substrate; performing a Hall effect test on the second antimony-containing compound material layer to obtain a second carrier concentration value; obtaining a carrier concentration correction factor based on the ratio of the second carrier concentration value to the first carrier concentration value; growing an antimony-containing compound material layer on one side, far away from the substrate, of the first antimony-containing compound material layer and / or the second antimony-containing compound material layer, and performing electrochemical capacitance-voltage test on each antimony-containing compound material layer to obtain a corresponding carrier concentration value; and obtaining the carrier concentration of each antimony-containing compound material layer based on the carrier concentration value and the carrier concentration correction factor.

This invention discloses a catalyst for the chlorofluorination of 1,1,1,3-tetrachloropropane to prepare 2-chloro-3,3,3-trifluoropropylene, the catalyst being designated M. x O y / Fe p O q -MgF2, in which Fe p O q -MgF2 as support, Fe p O q It is a mixture of Fe2O3 and Fe3O4, M x O y M is the active component. x O y It consists of one or more of Al2O3, CuO, ZnO, and La2O3. The catalyst preparation method includes: adding a polyamine to an aqueous solution of a soluble magnesium salt at 30℃~60℃ with stirring, then adding hydrofluoric acid dropwise, and continuing stirring for 10min~60min after the addition is complete; adding a soluble iron salt to the above solution, and continuing stirring for 30min~90min; adding ammonia dropwise to adjust the pH to 8~10, and continuing stirring for 60min~180min; filtering, washing the filter cake with deionized water until the pH of the filtrate is ~7, drying at 80℃~120℃, and calcining at 200℃~260℃ to obtain the supported Fe. p O q The precursor salt of the active component is loaded onto a support using an impregnation method, dried at 80℃~120℃, and calcined at 260℃~320℃ to obtain the desired catalyst. The catalyst in this invention does not involve chromium or antimony compounds, and exhibits high selectivity and yield for 2-chloro-3,3,3-trifluoropropylene, making it valuable for industrial applications.

The invention relates to a synthetic method of bio-based poly (butylene succinate), which comprises the following steps: taking bio-based succinic acid and 1, 4-butanediol as polymeric monomers, and synthesizing the bio-based poly (butylene succinate) through esterification, pre-polycondensation and final polycondensation, during esterification, a compound catalyst is added; during final polycondensation, a stabilizer and a lubricant are added; the compound catalyst comprises a mixture of titanium organic ester, an antimony compound, silicon organic ester, hydroxycarboxylic acid and 1, 4-butanediol. According to the synthesis method provided by the invention, the hue of the product is greatly improved, meanwhile, the product with a relatively low melt index can be obtained, and the application range is relatively wide.

To provide a polybutylene terephthalate resin composition having superior mechanical properties, flowability, and flame retardancy, and a molded article produced therefrom.SOLUTION: A polybutylene terephthalate resin composition comprises (A) 100 pts.wt. of a polybutylene terephthalate resin having an intrinsic viscosity of 0.50 to 1.00 dL / g, (B) 20 to 40 pts.wt. of a bromine-based flame retardant having a weight average molecular weight of 1000 to 5000, (C) 6.0 to 15.0 pts.wt. of an antimony compound, and (D) 100 to 200 pts.wt. of glass fibers.SELECTED DRAWING: None

The present invention provides a method for refining and purifying waste catalysts generated in the process of producing difluorochloromethane, the method comprising: pre-separating the waste catalysts, rectifying the chloroform phase containing antimonide, and reactivating the antimonide obtained by rectification. The present invention regenerates antimony pentachloride with catalytic activity from the waste catalysts by separation, rectification and reactivation; and at the same time, condensation recovery is provided to recover chloroform, hydrogen fluoride and other substances generated in the process of refining and reactivating the waste catalysts. Through this process scheme, the reactivation ratio of the waste catalysts is about 80%, achieving the purpose of reducing the discharge of three wastes and reducing production costs.

For production of PVC recyclate (6) from PVC-based polymer particles (2) contaminated with phthalates (8), lead compounds, antimony compounds and / or barium compounds (9), a particle size of the polymer particles (2) within a range between 1.0 mm and 10 mm is established, and the polymer particles (2) having that particle size are treated with a solvent (5) consisting to an extent of at least 75% by weight of acetone, isopropanol and / or ethoxypropanol and including an alkaline auxiliary solvent. The treatment with the solvent (5) results in extraction of the phthalates (8), lead compounds, antimony compounds and / or barium compounds (9) over an extraction period of not more than 6.0 h and at an extraction temperature of not more 50°C from the polymer particles (2) having that particle size, leaving the PVC recyclate (6) in the extracted polymer particles (2).

To provide a carrier for electrophotographic image formation that can prevent a reduction in the resistance and a reduction in the electrification of a carrier even in long-term printing, and can prevent the occurrence of carrier adhesion and background fogging.SOLUTION: A carrier for electrophotographic image formation includes, in a coating layer, conductive spherical inorganic fine particles (A) and conductive acicular inorganic fine particles (B). The conductive spherical inorganic fine particles (A) have a diameter of 0.30 μm or more and 0.90 μm or less. The conductive acicular inorganic fine particles (B) have a long side with a length of 1.30 μm or more and 1.90 μm or less and a short side with a length of 0.05 μm or more and 0.30 μm or less. At least one of the conductive spherical inorganic fine particles (A) and the conductive acicular inorganic fine particles (B) contain tin oxide doped with an antimony compound. The content of the conductive acicular inorganic fine particles (B) included in the coating layer is 20 mass% or more and 40 mass% or less based on the total amount of the conductive spherical inorganic fine particles (A) and the conductive acicular inorganic fine particles (B).SELECTED DRAWING: Figure 2

This invention relates to a low-antimony composite clarifying agent and its preparation method, belonging to the technical field of composite clarifying agents. The clarifying agent consists of a cascaded gas release component, a multi-solid waste synergistic composition, and sodium aluminate. The cascaded gas release component includes low-temperature nitrates, medium-temperature antimony compounds and nitrates, and high-temperature sulfates. The multi-solid waste synergistic composition is a mixture of sodium-calcium-silicon waste glass powder, waste daily-use ceramic powder, and blast furnace slag powder. Sodium aluminate migrates to the bubble interface at high temperatures, enriching aluminum components, and synergistically produces a dual effect of interface regulation and physical stirring with the semi-molten micro-regions of the multi-solid waste synergistic composition. This clarifying agent significantly reduces the amount of antimony used while lowering the ash bubble density to 0.5 bubbles / cm³. 3 With a flexural strength of 95MPa, it achieves a synergistic improvement in efficient degassing and mechanical reinforcement.

The invention provides a preparation method and application of positive electrode lead paste of a high-specific-capacitance lead storage battery. The positive electrode lead paste is prepared from the following components in parts by mass: 980 to 1040 parts of lead powder, 85 to 100 parts of dilute sulphuric acid, 105 to 120 parts of deionized water, 1.5 to 3 parts of a composite electrode material, 0.8 to 1.4 parts of an antimony compound, 0.6 to 1.2 parts of metal sulfate, 38 to 44 parts of lead oxide and 0.7 to 1.0 part of polyester fibers. By optimizing the lead paste formula, the conductivity and the specific capacitance of the lead paste are improved, and the cycle life of the battery is prolonged.

The invention discloses a positive plate for a lead-acid storage battery, and relates to the technical field of storage batteries, the using amount of a positive plate alloy is 2.0-3.0 g / Ah, and the using amount of the positive plate alloy is 0.569-0.853 g / cm < 3 >. The positive plate comprises a positive grid and a positive plate active substance, the structure of the positive plate is optimally designed, the alloy consumption can be greatly reduced by adopting a large-area polar plate structure, and the contact resistance between the surface of the grid and the active substance is small and the conductivity is good by performing corona treatment, antimony-containing compound suspension spraying and other process treatment on the surface of the grid.

The present invention provides a preparation method and application of a high-specific-capacity lead-acid battery positive electrode lead paste. The positive electrode lead paste is prepared from the following components in parts by weight: 980-1040 parts of lead powder, 85-100 parts of dilute sulfuric acid, 105-120 parts of deionized water, 1.5-3 parts of a composite electrode material, 0.8-1.4 parts of an antimony compound, 0.6-1.2 parts of a metal sulfate, 38-44 parts of lead oxide, and 0.7-1.0 parts of polyester fiber. By optimizing the lead paste formula, the conductivity and specific capacitance of the lead paste are improved, thereby extending the cycle life of the battery.

The present invention belongs to the field of lithium ion battery positive electrode materials, and specifically relates to a modified lithium cobalt oxide material and a preparation method thereof. The positive electrode material composition of the present invention is LiCo 1‑x Sb x O2, wherein x = 0.001-0.02. The cathode material provided by the present invention is synthesized by a simple high-temperature solid-phase method, wherein a lithium-containing compound, a cobalt-containing compound and an antimony-containing compound are uniformly mixed and then sintered twice in an air atmosphere in a box furnace. 1‑x Sb x O2 presents uniform spherical particles with excellent fluidity, dispersibility, and processability, facilitating the preparation of cathode slurries and electrode sheet coating, thereby improving electrode quality. Furthermore, the spherical particles have a higher packing density, which contributes to increased energy density in lithium-ion batteries. Electrochemical performance tests have shown that the prepared cathode material exhibits high discharge capacity, excellent rate capability, and cycling performance.