30 results about "Antimony isotope" patented technology

A display device comprises a plurality of pixels, each pixel having a portion (10) of a solid-state, phase-change material such as germanium-antimonium-telluride (GST) or vanadium dioxide, wherein the phase-change material can be reversibly brought into an amorphous state or a crystaline state and has a refractive index that is reversibly, electrically controllable. A plurality of electrodes (14, 16) are provided, at least two of which contact said portion of material (10). A controller (19) is provided that is adapted to apply at least one voltage to said material (10), via said electrodes (14, 16), to change said refractive index. An array of such portions of material can be arranged to make a pixellated display, for example a stereoscopic display of the volumetric type.

The invention discloses a method for preparing pyrophillite-based antimony-doped tin oxide compound conductive powder. The method is characterized in that a chemical precipitation process for respectively dropwise adding a tin salt and an antimony salt is adopted. The method is a preparation method for the compound conductive powder, the surface of which is covered with a layer of antimony-doped tin oxide. The method provided by the invention can be used for reducing the preparation cost of conductive powder. The acquired powder has light color and excellent conductivity.

The invention provides a method for producing leadless alloy wires. The method includes the following steps: the first step: compounding copper, antimonium, stannum and zinc at a ratio, melting the compounded mixture in a melting furnace, stirring intensively, cooling, and performing die-casting to obtain a cylindrical Zn / Sn alloy; the second step: extruding the cylindrical Zn / Sn alloy in an extrusion press under heating to form wire materials, subjecting the wire materials to the first-stage wire-drawing treatment using a speed-down wire-drawing machine and performing the second-stage wire-drawing treatment using a single-head wire-drawing machine to obtain the Zn / Sn alloy wire. The method can effectively control the melting temperature, thereby preventing the metal film from being burned.

The invention discloses a proportioning device for an antimony smelting reverberatory furnace. The proportioning device comprises an antimony oxygen bin (1), a vibrator (9), a valve (2), a feed hopper (12), a reverberatory furnace material inlet (13) and the reverberatory furnace (8), wherein a measuring hopper (3) is arranged between the antimony oxygen bin (1) and the feed hopper; two spiral stirrers (5, 6) are arranged below the measuring hopper. The proportioning device for the antimony smelting reverberatory furnace, produced by adopting the method, has the advantages that the proportioning measurement is accurate and the stirring is uniform.

The invention provides an antimonous oxide powder crystallization system. The antimonous oxide powder crystallization system comprises an antimony white furnace, a reactor, a crystallizer and a powdercollector, wherein the antimony white furnace is provided with an air hose and a feeding opening, a frequency conversion adjustable draught fan is arranged between the reactor and the crystallizer, the crystallizer and the powder collector are connected in a sleeving way and are fixed by using a regulating mechanism, and a low temperature air hose is arranged on the crystallizer. The length of the crystallizer is adjustable, the dwell time of an antimonous oxide material in a crystallization forming section is convenient to control, the crystal form and the grain size of an antimonous oxide power are further controlled, the product specifications of the antimonous oxide are guaranteed to be flexibly regulated on the same production line, the conversion of the crystal form is complete, theproduct quality is further controlled, the low-efficiency investment is avoided, the equipment production line is prevented from being left unused and being wasted, the difficulty in fund flow of theindustry is avoided, and due to the two-section air cooling mode, the whole system reaches rapid quenching, and the product index stably reaches the standard.

The invention relates to a production method of a tellurium-selenium copper bar. The tellurium-selenium copper bar comprises the following components of, by mass percent, 0.4-0.7% of tellurium, 0.004-0.012% of phosphorus, 0.1-0.15% of selenium, 0.05-0.1% of sulfur and 0.1-0.15% of antimony, wherein the ratio of the selenium content to the antimony content is 1:1. In addition, the tellurium-selenium copper bar comprises any two elements of silver, titanium, cerium, boron, cobalt, chromium, nickel, niobium and the like, and the content of each of the two arbitrary elements is 0.001-0.005%. The tensile strength of the prepared tellurium-selenium copper bar is greater than 300MPa, the elongation percentage is greater than 15%, and the electric conductivity is greater than 88% IACS.

The invention discloses a high-strength cable material used for a railway vehicle, and a preparation method thereof. The high-strength cable material is prepared from the following raw materials by weight: 85-105 parts of polyphenylene sulfide, 40-60 parts of aromatic polycarbonate, 25-35 parts of ethylene-methyl acrylate-glycidyl methacrylate terpolymer, 4-8 parts of diphenyl-methane-diisocyanate, 12-16 parts of bis(4-carboxyphenyl)phenyl-phosphine oxide, 10-15 parts of zinc aluminate, 20-30 parts of magnesium hydroxide,8-12 parts of basalt short fibers, 2-3 parts of methacryloyloxy propyltrimethoxysilane, 3-5 parts of tri-(stearic mercaptoacetate)antimonium, 2-3 parts of calcium stearate, 1.5-2.5 parts of barium stearate, 4-8 parts of erucyl amide, 3-6 parts of polyethylene wax, 15-20 parts of calcined clay, 10-15 parts of basic magnesium chloride whiskers, 20-30 parts of precipitated white carbon black, 14-18 parts of modified stone powder, 10-15 parts of epoxidized methyl acetorieinoleate and 2-3 parts of an antioxidant 1222. The cable material provided by the invention has the advantages of high mechanical strength, high flame retardance, fire resistance, good thermal stability, excellent electrical insulation property, wide usage temperature range, etc.

The invention discloses a production device for large-particle-size antimony trioxide. The production device comprises an antimony white furnace (1), an air cooled type reactor (3), a crystallizer (6) and a cooling dust collector (5), wherein the cooling dust collector (5) is communicated with an air outlet above the crystallizer (6). The production device is characterized in that: the crystallizer (6) is a circular multi-baffle crystallizer and is vertically arranged above the air cooled type reactor (3); baffles (4) which are obliquely arranged are arranged in the circular multi-baffle crystallizer (6); the air cooled type reactor (3) is arranged at an air outlet of a hearth of the antimony white furnace (1); and the furnace top and the furnace wall of the antimony white furnace (1) are provided with air pipes (2). The production device provided by the invention has the advantages of simple structure, high productivity, high recovery efficiency and low production cost.

The invention discloses a high-tellurium copper slag treatment method. The high-tellurium copper slag treatment method comprises the following steps of: (1) ball-milling; (2) acidifying; (3) low-acid leaching; (4) bismuth precipitating; (5) copper precipitating; (6) high-acid pickling; (7) gold, sliver and lead recycling; (8) solution replacing; (9) antimonium precipitating; (10) tellurium leaching; (11) purifying; (12) neutralizing and tellurium precipitating; and (13) electrolyzing and tellurium extracting. The method disclosed by the invention can be adopted to clean and efficiently treat copper slag, comprehensively recycles noble metals such as gold, silver, tellurium, antimonium, bismuth and copper, and radically solves the problems such as a lagged process, poor comprehensive utilization, a low metal recovery rate and severe environmental pollution of the conventional method.

This invention discloses a new synthesis technology of diatomic alcohol antimonium of organic antimonide used for polyester polycondensation. The technology uses antimonious material and diatomic alcohol to synthesize diatomic alcohol antimonium in the presence of reducing substances through reaction, filtration, crystallization and drying. The material combined with good solubility, high purity,high catalytic activity and the advantages of color, and the excessive alcohol can be recycled.

The invention relates to a method for measuring the content of tellurium in antimony and antimonous oxide. The method comprises the steps of dissolving antimony through chloroazotic acid or dissolving antimonous oxide through hydrochloric acid, then adding sulfuric acid and hydrobromic acid for volatilizing antimony under the temperature of 200-340 DEG C, repeatedly adding hydrochloric acid and bromic acid, heating under low temperature to volatilize and remove antimony, adding hydrochloric acid to dissolve residues, and performing dilution to make up to the volume; measuring a standard tellurium solution through an electric inductance coupling plasma emission spectrometer or a flame atom absorption spectrometer and drawing a working curve, then measuring the emission spectrum intensity or the absorbancy of an impurity, namely tellurium in a test sample, and constructing methods for analyzing tellurium in antimony and antimonous oxide in sequence according to a linear relation between concentration of tellurium and the emission spectrum intensity or the absorbancy in a certain concentration range; and calculating the concentration of tellurium in test liquid according to the working curve of the measured standard tellurium solution, and further calculating the mass percentage of tellurium. The method disclosed by the invention has the advantages of high sensitivity, high precision, high accuracy, wide linear range, high analysis efficiency and the like.

The invention discloses a lead manganate antimonate (PMS) doped niobium nickel-lead zirconate titanate piezoelectric ceramic (PNN-PZT) having the raw material formula: (1-x)Pb(Ni[1 / 3]Nb[2 / 3])[0.5]Zr[y]Ti[0.5-y]O[3]-xPb(Mn[1 / 3]Sb[2 / 3])O[3], wherein in the formula, x and y represent the molar content and have numerical values respectively being x=0.0-0.06 and y=0.10-0.20. A traditional solid phase synthesis process is adopted, a pre-sintering temperature is 800-900 DEG C, a sintering temperature is 1000-1300 DEG C, and a novel piezoelectric ceramic material is obtained, wherein the material has high piezoelectric coefficient (d33<*>=1000 pm / V) and excellent mechanical properties (E=120 GPa, and K1C=1.44 Mpa.m<1 / 2>). The piezoelectric ceramic based on lead zirconate titanate has high piezoelectric coefficient and excellent mechanical properties. The novel piezoelectric ceramic is mainly used in the fields of micrometric displacement actuators, piezoelectric sensors, transducers and the like, and has great market values.

The invention belongs to the technical field of preparation of functional materials, and relates to a method for preparing a tin antimony oxide conductive nano material. A methanol solution of a stannous chloride and antimony butter mixture is dropwise added into an oxalic acid water solution, reacting is carried out under the conditions of constant temperature and stirring till precursor sediment is generated, and filtering, washing and drying are carried out; then thermal temperature is carried out in a muffle furnace, and the tin antimony oxide conductive nano material is obtained. The process is simple and easy to carry out, the purity is high, the impurity content is low, the product preparation cost is low, performance is excellent, and industrial mass production can be achieved. The prepared tin antimony oxide conductive nano material has good conductivity, heat insulation performance, transparency and other performance, and can be applied to plastic, transparent coatings and various kinds of resin to achieve the functions of achieving transparency, insulating heat, preventing static and the like.

The invention discloses a preparation device for catalyst-grade antimonous oxide, which comprises an antimony white furnace (1) and a reactor (8). The preparation device for the catalyst-grade antimonous oxide has the characteristics that the inner chamber of the antimony white furnace (1) is provided with a front chamber (2) and a rear chamber (3) which are communicated; the front chamber (2) and the rear chamber (3) are respectively provided with a blowpipe; one end of the blowpipe passes through the antimony white furnace wall to extend into the chamber; the other end of the blowpipe is arranged out of the antimony white furnace (1); the top of the rear chamber (3) is connected with the reactor (8); and the top of the reactor (8) is provided with a crystallizer. The preparation device for the catalyst-grade antimonous oxide has the advantages of simple structure and low manufacture cost. When the preparation device for the catalyst-grade antimonous oxide is used for preparing the antimonous oxide, only air needs to be compressed, and pure oxygen is omitted.

The invention relates to a method using antimony oxide to produce sodium antimonate. The method includes: heating the antimony oxide for 20 minutes, adding into a reactor container, adding hydrochloric acid and water, adding sodium polyacrylate while stirring, adding sodium hydroxide into the reaction container, continuing stirring, controlling reaction temperature to be 50-60 DEG C to perform reaction for 30-40 minutes, and feeding oxygen into the reaction container; slowly adding hydrogen peroxide, controlling reaction temperature to be 40-50 DEG C, and continuing performing reaction for 10 minutes after the adding of the hydrogen peroxide is completed in 30-50 minutes, and stopping stirring; standing, cooling to room temperature to filter out precipitates, washing the precipitates with water, and drying the washed precipitates until the moisture of the precipitates is smaller than 0.3% to obtain the sodium antimonate. By the method, the conversion of the antimony oxide during reaction is promoted, conversion rate is increased, and accordingly the production efficiency of the sodium antimonate is increased, raw material utilization rate is increased, the production time of the sodium antimonate is lowered effectively, and raw material use amount is reduced.

In a solder alloy consisting essentially of tin, silver, copper, bismuth, antimony, indium, and nickel, the content ratio of the silver is 0.05 mass % or more and below 0.2 mass %; the content ratio of the copper is 0.1 mass % or more and 1 mass % or less; the content ratio of the bismuth is above 4.0 mass % and 10 mass % or less; the content ratio of the antimony is 0.005 mass % or more and 8 mass % or less; the content ratio of the indium is 0.005 mass % or more and 2 mass % or less; the content ratio of the nickel is 0.003 mass % or more and 0.4 mass % or less; and the content ratio of the tin is the remaining ratio and the mass ratio (Bi / Ni) of the bismuth content with respect to the nickel content is 35 or more and 1500 or less.

The invention provides an antimony ingot feeding method of antimony smelting. An antimony ingot temperature-resistant material collection hopper is installed on an antimony metallurgical furnace. Antimony ingots are arranged in the temperature-resistant material collection hopper, move downwards in the temperature-resistant material collection hopper under the effect of gravity, and fall on a heated material melting table arranged at the bottom of the interior of the furnace. Melt in the furnace slowly melts the bulk antimony ingots, and molten antimony liquid flows downwards to effectively supplement molten liquid in the furnace so that the molten liquid can be kept at a certain liquid level for a long time. By means of the antimony ingot feeding method of antimony smelting, raw materials do not need to be input regularly and quantitatively in the production process; and in this way, the labor intensity of operators can be lowered, and meanwhile the production efficiency can be improved. In addition, it can be avoided that because excessively-large furnace temperature fluctuation is caused by human factors in the production process and especially workshop environments are influenced by high-temperature melt splashing, smoking and the like when workers conduct throwing, the production condition in the furnace is not stable and the product quality is influenced.