26 results about "Antimony compounds" patented technology

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.

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 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 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.

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.

Methods for preparing catalysts for oxidative dehydrogenation (ODH) of alkanes such as ethane are provided An exemplary method includes providing a first mixture including metal oxides; a reducing agent; and one or more of a bismuth compound, an antimony compound, and a tellurium compound; and heating the first mixture to form the catalyst. The first mixture is essentially free of water. 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, antimony acetate, or antimony ethoxide. The tellurium compound includes tellurium dioxide.

The invention relates to a thermoplastic composition comprising, based on the weight of the thermoplastic composition, (A) 40 to 60% by weight of a polyester comprising or consisting of polybutylene terephthalate, (B) 10 to 45% by weight of glass fibers, (C) 10 to 20% by weight of a flame retardant composition comprising an antimony compound, an organic bromine flame retardant, a melamine compound and optionally an anti-drip agent, (D) 0 to 20% by weight of a polycarbonate, and (E) 0 to 5.0% by weight of additional components, where the total amount of (A) to (E) is 100% by weight relative to the composition.

For producing a PVC recyclate (6) from PVC-based plastic particles (2) contaminated with phthalates (8), lead compounds, antimony compounds and / or barium compounds (9), the particle size of the plastic particles (2) is adjusted to a range of 1.0 mm to 10 mm and the plastic particles (2) having this particle size are treated with a solvent (5) consisting of at least 75 % by weight of acetone, isopropyl alcohol and / or ethoxypropanol and containing a basic solubilizing aid. By treating with the solvent (5), phthalates (8), lead compounds, antimony compounds and / or barium compounds (9) are extracted from the plastic particles (2) having the stated particle size in an extraction time of not more than 6.0 hours and an extraction temperature of not more than 50 °C, wherein the PVC recyclate (6) remains in the plastic particles (2) after extraction.

A release film comprising a polyester film substrate and a release layer, wherein a surface layer of the substrate is made of a polyester containing an antimony compound, an alkaline-earth metal compound, and a phosphorus compound, the surface layer has an intrinsic viscosity of 0.55 or greater, the surface layer has an antimony atom content of 120 ppm or less, the surface of the release layer has a surface free energy of 15-25 mJ / m2, the surface of the release layer has a region surface average roughness (Sa) of 7 nm or less and a maximum projection height of 100 nm or less, and the release layer has a thickness of 0.005-1.2 μm, the release layer being formed from a release-layer formation composition containing an ultraviolet-curable compound.

Provided is a release film having a polyester film base material and a release layer, wherein: the surface layer of the base material comprises a polyester containing an antimony compound, an alkaline earth metal compound, and a phosphorus compound; the intrinsic viscosity of the surface layer is 0.55 or more; the antimony atom content of the surface layer is 120 ppm or less; the surface free energy of the surface of the release layer is 18-35 mJ / m2; the thickness of the release layer is 50-1500 nm, the mean roughness (Sa) of an area of the surface of the release layer is 7 nm or less; and the maximum protrusion height is in the range of 100 nm or less.

The objective of the present invention is to provide a method for producing a gas-phase catalytic oxidation reaction catalyst exhibiting excellent thermal stability and excellent catalytic activity compared with a conventional catalyst. This method for producing a gas-phase catalytic oxidation reaction catalyst comprises a step (X) for obtaining a gas-phase catalytic oxidation reaction catalyst by firing, in a reactor, a composite oxide containing at least Mo, V, and Sb and an antimony-containing compound having a melting point of 375°C or more and less than 450°C, under a gas atmosphere containing water vapor and at a temperature of 400°C or higher.

The application discloses a bromine-antimony compound flame retardant as well as a preparation method and application thereof, and relates to the technical field of flame retardant materials.The bromine-antimony compound flame retardant has a structural formula as shown in formula I, wherein R1 is selected from a phenyl group or a phenoxy group, and R3 is selected from a propane group or a sulfonyl group.The bromine-antimony compound flame retardant has excellent flame-retardant effect.

The purpose of the present invention is to provide a polyester film that is for use in a release film and that can suppress generation of protrusions and achieve a high level of breaking strength in the longitudinal direction of the polyester film serving as a base material. The present invention pertains to a laminated biaxially oriented polyester film for use in a release film, the polyester film comprising a surface layer on which a release layer is to be laminated, and a readily slidable layer containing lubricant particles and a polyester resin. The surface layer contains an antimony compound, an alkaline-earth metal compound, a phosphorus compound, and a polyester resin. The surface layer has a limiting viscosity of 0.55 dl / g or more. The antimony element content in the surface layer is 120 ppm or less.

The invention discloses a bromine-antimony compound flame retardant as well as a preparation method and application thereof, and relates to the technical field of flame-retardant materials. The structural formula of the bromine-antimony compound flame retardant is shown as a formula I. In the formula I, R1 is selected from phenyl or phenoxy, and R3 is selected from propane or sulfonyl. The bromine antimony compound flame retardant provided by the invention has an excellent flame retardant effect. .

The present application relates to the technical field of glass production aids, and discloses a fining agent for producing photovoltaic glass and a preparation method thereof, wherein the raw materials of the fining agent include 10-20 parts of sodium nitrate, 40-70 parts of sodium sulfate, 1-5 parts of antimony compounds and 5-15 parts of recycled powder according to weight fraction; the recycled powder includes optical glass polishing waste powder after recycling treatment. The present application uses optical glass polishing waste powder to prepare the fining agent for photovoltaic glass, effectively solves the problems of difficult economic recycling of the existing polishing waste powder, waste of rare earth resources and high cost of rare earth raw materials of the glass fining agent.

The invention provides a fluxing agent for beta-gallium oxide crystal growth and a crystal growth method based on the fluxing agent, and belongs to the technical field of crystal growth. The fluxing agent for beta-gallium oxide crystal growth comprises at least two of an antimony-containing compound, a cesium-containing compound and a boron-containing compound. The fluxing agent system provided by the invention does not contain toxic and harmful components such as lead oxide, lead fluoride and the like which are commonly used in high-temperature fluxing agents. By utilizing the fluxing agent system, the growth temperature interval of the gallium oxide crystal is 750-1050 DEG C. Compared with the existing fluxing agent system, the growth temperature of the crystal is effectively reduced, the solvent viscosity is small, the volatilization of components is less, the high-temperature solution is clear and transparent, the growth process of the crystal is convenient to control in real time, and the obtained crystal is relatively good in quality and free of a wrapping phenomenon; and the high-quality beta-Ga2O3 crystal is easy to obtain.

The invention relates to the technical field of glass preparation, in particular to a glass clarifying compound additive and application thereof. The clarification composite additive provided by the invention comprises nitrate, sulfate, chloride and an antimony compound. The clarification composite auxiliary agent provided by the invention plays a good clarification homogeneous phase role in the glass melting process, and the obtained glass has the advantages of no bubble, stripe and other defects, small expansion coefficient and high transmittance, and is suitable for preparation of plate glass, float glass, photovoltaic patterned glass and the like.

An acidizing fluid, such as for matrix acidizing or fracture-acidizing a subterranean zone, the acidizing treatment fluid comprising: an acid; an aqueous base fluid; a gelling agent; and a foaming stabilizing agent, wherein the foaming stabilizing agent comprises an antimony-containing compound. The acidizing fluid can further include a foaming agent. Methods of making and utilizing the acidizing fluid are also provided.

The invention discloses an organic-inorganic hybrid antimony halide and a preparation method and application thereof, and relates to the field of luminescent materials, the preparation method comprises the following steps: grinding and mixing an antimony-based compound and an organic ligand to obtain the manganese-doped organic-inorganic hybrid antimony halide, a is any one of pyridine, imidazole, piperidine, pyrazine, triphenylphosphine, a pyridine derivative, an imidazole derivative, a piperidine derivative, a pyrazine derivative and a triphenylphosphine derivative; the antimony-based compound is an antimony compound, or the antimony-based compound comprises an antimony compound and a manganese compound; the chemical formula of the organic and inorganic hybrid antimony halide is AaSbXb or AaSbXb: Mn, and X is any one of Cl, Br and I. The target product can be prepared only by grinding and mixing the raw materials of the antimony-based compound and the organic ligand, the process is simple and controllable, the operation is convenient and fast, the method is suitable for large-scale preparation, and a foundation is laid for industrial application of the organic-inorganic hybrid antimony halide.

This invention relates to a micron-sized antimony compound, its preparation method, and its uses. The antimony compound comprises Sb₂O₃ and Zn elements; the particle size of the antimony compound is 0.5-10 μm. The preparation method includes mixing zinc salt, antimony salt, 2-methylimidazole, and an organic solvent, followed by a solvothermal reaction to obtain the antimony compound. This invention innovatively uses a solvothermal method to prepare a micron-sized antimony compound and applies it as an inorganic additive in polymer solid electrolytes. It is then combined with a polymer substrate and lithium salt to prepare polymer solid electrolytes, significantly improving the ionic conductivity and safety performance of the polymer solid electrolytes.

The invention discloses a high-nickel positive electrode material for a lithium ion battery as well as a preparation method and application of the high-nickel positive electrode material, and belongs to the technical field of new energy materials. The high-nickel positive electrode material provided by the invention comprises a base material, and a first coating layer and a second coating layer which coat the surface of the base material, the chemical formula of the base material is LiaNixMyM'zO2, a is larger than or equal to 0.90 and smaller than or equal to 1.10, and M'comprises at least two of Zr, Ca, Sr, Ba, Mg, Ti, Ta, Y, V, La, Ce, Nb, Mo and W; the first coating layer is a sintered product of a first coating agent, the first coating agent contains a cobalt compound and a diffusion inhibiting compound, and the diffusion inhibiting compound contains at least one of a niobium compound and an antimony compound. The high-nickel positive electrode material provided by the invention has excellent performance in the aspects of capacity, DCR, circulation and the like.

The invention provides a positive electrode active material and a preparation method and application thereof. The positive electrode active material comprises an active matrix; the first coating layer is arranged on at least part of the surface of the active matrix, and the first coating layer comprises an antimony compound; the second coating layer is arranged on at least part of the surface of the first coating layer, and the second coating layer comprises a single-walled carbon nanotube. According to the positive electrode active material as well as the preparation method and the application thereof, the structural stability and the conductivity of the positive electrode active material can be improved, and the rate capability and the cycle performance of a lithium ion battery can be improved.

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