97 results about "Antimony oxide" patented technology

The invention discloses a preparation method of ultra-smooth low-expansion ceramic glaze for in-situ generation of cordierite, bismuth oxide and antimony oxide are introduced into a high-potassium low-sodium system to form a K-Mg-Sb-Bi multi-element eutectic system, so that the low thermal expansion property and the smooth property of the glaze are realized; in-situ precipitation of cordierite microcrystals in a glaze glass phase is more successfully guided, so that a ceramic glaze surface with excellent comprehensive performance is obtained.

The invention discloses an antimony electrolyte impurity removal adsorbent as well as a preparation method and application thereof, and relates to the technical field of antimony electrolyte purification. The adsorbent is specially used for solving the problem that lead and bismuth ions similar to antimony in potential in the antimony electrolyte are difficult to deeply remove. The preparation method comprises the following steps: mixing sulfuric acid, deionized water, antimony oxide powder and hydrogen peroxide according to a specific mass ratio (1: (0.8-1.5): (0.5-1.5)), and controlling the liquid-solid ratio to be 8-15 mL / g to form a synthetic initial solution; then reacting for 0.5-4 hours under the condition of stirring at the temperature of 60-90 DEG C and the speed of 200-600 r / min; and finally, carrying out solid-liquid separation and drying at 55-110 DEG C for 1-12 hours. When the adsorbent is applied, the adsorbent is added into electrolyte according to the proportion of 500-5000 times of the total mass of lead and bismuth, reaction is performed for 1-6 hours under the conditions of 30-90 DEG C and 200-550 r / min, and deep purification can be realized after standing, settling and separating. The method is short in technological process, mild in condition, easy to operate, environmentally friendly and high in lead and bismuth removal rate, purified liquid can return to an electrolysis system, the saturated adsorbent can be regenerated and reused, and good economic benefits and application prospects are achieved.

The invention discloses an anti-ultraviolet heat-insulating radiation-proof water-based glass paint and a preparation process thereof. The anti-ultraviolet heat-insulating radiation-proof water-based glass paint is prepared from the following raw materials in parts by weight: 30-50 parts of acrylic resin, 5-10 parts of a coalescing agent, 3-8 parts of butyraldehyde, 10-20 parts of nano titanium dioxide, 8-15 parts of nano tin antimony oxide, 2-5 parts of a polyacrylate dispersant, 2-5 parts of a polyurethane thickener and 15-30 parts of deionized water. Comprising the following steps: S1, weighing deionized water, a polyacrylate dispersing agent and a polyurethane thickening agent according to a ratio, and adding into a stirring kettle; and stirring at the rotating speed of 400rpm for 8 minutes. Through the synergistic effect of the nano titanium dioxide and the nano tin antimony oxide, the anti-ultraviolet, heat-insulating and anti-radiation functions are achieved at the same time, and the problem that an existing glass paint is single in function is solved; the polyacrylate dispersing agent is adopted, so that the dispersity of the nano functional filler is effectively improved, the agglomeration phenomenon is avoided, and the uniformity of the paint film performance is ensured.

The application discloses a novel flexible printed circuit board and camera module prepared based on weldable low-temperature silver paste, and belongs to the technical field of electronic materials and devices. The conductor pattern in the flexible printed circuit board comprises a main circuit pattern and an auxiliary function structure formed by weldable low-temperature cured silver paste. The curing temperature of the weldable low-temperature silver paste is 87-103 DEG C. The silver paste comprises conductive fillers, a polymer resin system, ester solvents, a curing agent, a silane coupling agent, polyamide wax thixotropic agents, polysiloxane defoaming agents, modified carbon nanotubes, modified antimony tin oxide powder, modified ceramic fillers and low-stress modifiers. The polymer resin system comprises hydrogenated bisphenol A type epoxy resin, diphenyl type epoxy resin and polyacrylate-CTBN copolymer. The conductive fillers comprise silver-coated copper flaky powder, nano silver wire and low-temperature alloy powder. Through the synergistic effect of components and the innovative process, the comprehensive improvement of mechanical properties, conductive properties, high-frequency characteristics and welding reliability is realized under the premise of ultralow-temperature curing.

A modified metal oxide particle sol, when applied as a coating onto a substrate, is capable of having transparency, a high particle refractive index and good coat resistivity. The modified metal oxide particle sol is composed of modified metal oxide particles (iii) in which stannic oxide particles (i) having an average primary particle size of 4 to 50 nm serve as cores and are coated with metal oxide particles (ii) of at least one metal oxide selected from the group consisting of antimony oxide, stannic oxide and silicon oxide and having an average primary particle size of 1 to 10 nm, which modified metal oxide particles (iii) are dispersed in an organic solvent. The average primary particle size of the core particles (i) and the average primary particle size of the coating particles (ii) satisfy the relationshipsize of core particles(i)≥size of coating particles(ii),the ratio (total weight of metal oxides other than stannic oxide) / (weight of stannic oxide) is from 0.005 to 1.0, and the sol includes an amine (a) having a water solubility of 0.1 g / L or more and an amine (b) having a water solubility of less than 0.1 g / L.

The invention belongs to the field of waste liquid treatment, and particularly relates to antimony oxide processing waste liquid treatment equipment which comprises an inner ring tank capable of rotating, a treatment tank is fixedly connected to the interior of the inner ring tank, the treatment tank is composed of a plurality of separation tanks which are communicated with one another, the outer side of the treatment tank is sleeved with an outer layer tank, and the outer layer tank is provided with a water inlet and a water outlet. The tops of the treatment tanks are respectively communicated with the outside, the treatment tanks are integrally formed, a plurality of supporting seats for supporting the outer-layer tank are arranged at the bottom of the outer-layer tank, and the whole inner-ring tank is controlled to rotate, so that the plurality of treatment tanks are rotated, and the wastewater is subjected to a sufficient oxidation reaction; by means of the design, the manufacturing cost is greatly reduced, the structure is simple, operation is convenient, meanwhile, operation can be completed only by driving the large-size inner ring tank, and the problem that in a traditional design, due to the fact that a plurality of driving elements are arranged, faults of a single driving piece are prone to occurring, and the whole device stops running is solved.

The invention relates to the technical field of water-based paint preparation, in particular to a preparation method of epoxy resin water-based paint. The coating is prepared from 58 to 89 parts of waterborne acrylic resin, 36 to 59 parts of stearic acid, 22 to 46 parts of dimethyl silicone oil, 24 to 35 parts of calcium chloride, 43 to 55 parts of propylene glycol butyl ether, 32 to 40 parts of nano zinc oxide powder, 28 to 40 parts of hydroxyethyl cellulose, 30 to 47 parts of waterborne epoxy resin, 25 to 30 parts of antimony oxide, 45 to 72 parts of terephthalic acid, 14 to 35 parts of butanol and 22 to 45 parts of calcium lactate. The coating has the beneficial effects that the film-forming property and the corrosion resistance are improved, and the water-based acrylic resin and the water-based epoxy resin combine excellent weather resistance, good cohesiveness and high drying speed of the acrylic resin and good adhesive force, chemical resistance and stability of the epoxy resin, so that the coating has good comprehensive performance; the coating not only can be kept stable under different environmental conditions, but also can resist external chemical erosion and physical wear, and the service life of the coating is greatly prolonged.

This invention relates to the field of glass-ceramic technology, specifically providing a low-temperature co-fired ceramic, its preparation method, and its application. The raw materials for the low-temperature co-fired ceramic include VSBBS glass frit and ceramic frit, with the total weight of the VSBBS glass frit and ceramic frit being 100%. The mass percentages of the VSBBS glass frit and ceramic frit are 20-40% and 60-80%, respectively. The raw materials for the VSBBS glass frit, by mass percentage, include 10-30 wt% vanadium oxide, 10-30 wt% antimony oxide, 10-30 wt% barium oxide, 10-20 wt% boron oxide, and 30-50 wt% silicon oxide, with the sum of all oxides being 100%. The LTCC material obtained by this invention achieves excellent millimeter-wave dielectric properties, with a relative permittivity between 4.8 and 6.8, a dielectric loss less than or equal to 0.001, and a flexural strength of 180-230 MPa.

The invention discloses a resistor disc for a lightning arrester and a preparation method of the resistor disc. The resistor disc is prepared from the following components in parts by weight: 80-95 parts of modified zinc oxide, 3-6 parts of bismuth oxide, 1-4 parts of antimony oxide, 1-4 parts of cobalt oxide, 0.6-1.2 parts of nickel oxide, 0.6-1.2 parts of manganese oxide, 0.4-1.0 part of chromium oxide, 0.2-0.6 part of aluminum oxide and 1-4 parts of lead-free glass powder. Through two-step functional modification of the modified zinc oxide, the microstructure and macroscopic performance of the material are remarkably improved, so that the resistor disc has excellent nonlinear coefficient, low leakage current and high energy absorption capability, and the overall technical scheme not only improves the protection performance and service life of the lightning arrester, but also realizes lead-free environmental protection, energy conservation and consumption reduction, and has wide application prospects. And reliable guarantee is provided for safe and stable operation of a power system.

The present application belongs to the field of metallurgy, and relates to a method for producing antimony white by directly oxidizing crude antimony, comprising the following steps: S1, mixing crude antimony with crude antimony alloy, and reacting under an oxygen-containing atmosphere, to obtain oxidized slag and a melt after the reaction is completed; S2, adjusting the temperature of the melt, and then introducing compressed air to react, to produce antimony trioxide-containing flue gas, and to obtain antimony oxide slag after the reaction is completed. The present application makes full use of impurities such as sodium sulfide, sodium hydroxide and sodium thiosulfate contained in crude antimony, and innovatively uses these components for arsenic removal reaction, which not only avoids the cumbersome steps of adding various auxiliary materials in the traditional process, but also enables the original sodium sulfide, sodium hydroxide and sodium thiosulfate in the crude antimony to fully play a synergistic role, showing excellent performance in arsenic removal effect, thus simplifying the process flow, significantly reducing the production cost, and realizing the dual improvement of economic benefit and process efficiency.

The application discloses a steel plate enamel low-temperature nickel underglaze without fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The underglaze is prepared from quartz, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, sodium feldspar, recycled ternary battery positive material and antimony oxide according to specific mass proportions. The preparation comprises raw material mixing, smelting at 1230±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of the smelting state. The underglaze completely avoids the use of fluorinated salt and nitrate, eliminates the problems of fluoride emission and environmental protection equipment blockage from the source, the fluorine content of the product is not detected, and the limit value requirement of the EU REACH regulation is met. Meanwhile, by introducing the recycled ternary battery positive material, the adhesion of the underglaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The invention relates to the technical field of functional foaming materials, in particular to polypropylene foamed beads, a preparation method thereof and a molded part, and the polypropylene foamed beads are prepared from pre-foamed particles through a kettle pressure foaming technology; the pre-foaming particle comprises a core layer and a skin layer wrapping the outer side of the core layer. The raw material of the core layer comprises a conductive agent master batch H; the conductive agent master batch H comprises the following component: 30-40 parts of polypropylene A; 35 to 45 parts of conductive titanium dioxide; 15 to 25 parts of color master batch; 3-8 parts of a lubricant; the raw material of the skin layer comprises a conductive agent master batch I; the conductive agent master batch I comprises the following component: 30-40 parts of polypropylene B; 25 to 35 parts of conductive titanium dioxide; 5 to 15 parts of antimony oxide; 15 to 25 parts of color master batch; and 3-8 parts of a lubricant. On the premise of reducing the addition amount of the conductive auxiliary agent, the electric flux performance of the surface of the product can be improved, and rapid dissipation of surface charges is realized.

The present invention relates to a process for the preparation of a catalyst composition comprising - a support comprising TiO2, - a composite oxide comprising vanadium and antimony, having a rutile structure different from VSbO4 and V 0.92 Sb 0.92 O4 as determined by X-ray diffraction (XRD) analysis using Cu Ka radiation and - optionally, one or more selected from silicon oxide, vanadium oxide and antimony oxide; said process comprising the steps of: (i) mixing vanadium / antimony oxide and optional silicon source with the support comprising TiO2 in a solvent to obtain a suspension; (ii) optionally, applying the suspension onto a substrate; (iii) drying at a temperature in the range of 80 to 250 °C; (iv) calcination at a temperature of 600 °C to 700 °C.

The utility model discloses a discharge device of an antimony oxide ore grader, which relates to the technical field of ore grading discharge and comprises a bottom plate and a grading groove, a servo motor is fixedly mounted on the right surface of the grading groove, a grading mechanism is arranged in the grading groove, a baffle is movably connected to the inner wall of the grading groove, and a connecting block is fixedly connected to the front surface of the baffle. The servo motor is started to drive the grading mechanism to rotate to achieve spiral grading, the pushing block moves to push the attached grading groove to rotate, the angle of the grading groove can be adjusted by rotating the left end of the grading groove, and a more stable ore pulp flow field can be formed in the grading machine through the proper inclination angle; when the inclination angle of the spiral discharging device is matched with the flowing state of ore pulp in the grader, coarse particle materials can move towards the discharging port more accurately, fine particle materials can be discharged in overflow more easily, and therefore mixing of the coarse particle materials and the fine particle materials is reduced, and the grading precision and efficiency are improved.

The application discloses a steel plate enamel low-temperature cobalt ground glaze free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground glaze is prepared by mixing quartz, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, antimony oxide and cerium oxide according to specific mass proportions. The preparation comprises raw material mixing, melting at 1230±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of the melting state. The ground glaze completely avoids the use of fluorinated salt and nitrate, eliminates the fluorine emission and environmental protection equipment blockage problems from the source, the fluorine content of the product is not detected, and the product meets the limit value requirements of the EU REACH regulation. Meanwhile, by introducing the recycled ternary battery material, the adhesion of the ground glaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The invention relates to the technical field of wire and cable manufacturing, in particular to a flame-retardant cable and a preparation method thereof.The flame-retardant cable comprises a conductor, an insulating layer, a flame-retardant filling layer, a shielding layer and a sheath layer from inside to outside; the insulating layer is prepared from the following components in parts by weight: 40 to 50 parts of low-halogenated polyether-ether-ketone, 15 to 20 parts of nano magnesium hydroxide-aluminum oxide composite powder, 5 to 8 parts of phosphazene modified montmorillonite, 6 to 10 parts of melamine cyanuric acid-pentaerythritol phosphate compound, 2 to 4 parts of aminated graphene quantum dots and the like. The flame-retardant filling layer is formed by mixing basalt fiber-glass fiber composite filaments and expanded graphite-graphene composite powder according to the ratio of 3: 2, and the sheath layer comprises the following components in parts by weight: 30-40 parts of chlorinated polyvinyl chloride-ethylene acrylate copolymer, 8-12 parts of nano tin dioxide-antimony oxide composite powder and the like. The flame-retardant cable is high in flame-retardant efficiency, low in smoke toxicity release, excellent in electrical and mechanical properties, resistant to aging, wide in application scene and long in service life, has an aging tracing function, and provides a reliable solution for the field with high safety requirements.

The invention discloses a gasoline engine tail gas purification three-way catalyst and a preparation method thereof.The gasoline engine tail gas purification three-way catalyst comprises a carrier and a coating, the carrier is coated with the coating, the coating comprises aluminum oxide, precious metal and a cerium-zirconium composite oxygen storage material, and the cerium-zirconium composite oxygen storage material is prepared from, by mass, 5-10% of aluminum oxide, 5-10% of precious metal and 5-10% of cerium-zirconium composite oxygen storage material. Comprising 40%-70% of zirconium oxide, 20%-50% of cerium oxide, 2%-3% of lanthanum oxide, 2%-3% of yttrium oxide, 1%-2% of phosphorus oxide, 1%-2% of tin oxide and 2%-3% of antimony oxide. Therefore, by using the gasoline engine tail gas purification three-way catalyst, the cost can be reduced, and the catalytic performance of the gasoline engine tail gas purification three-way catalyst is equivalent to that of a Pr / Nd adding scheme.

This invention belongs to the field of nanomaterials technology, specifically, it is a method for preparing highly crystalline antimony sulfide and its application in sodium-ion batteries. This invention uses antimony oxide as the antimony source, dissolves the antimony source using sulfide salts, and obtains antimony sulfide precipitate by adjusting the pH of the solution. The specific steps include: S1, mixing the sulfide salt and antimony oxide, dissolving them in water by high-speed stirring, and adding a dispersant to obtain an antimony solution; S2, controlling the temperature of the antimony solution, adding an acid solution, adjusting the pH, and stirring the reaction to obtain a precipitate; S3, filtering the precipitate obtained in S2, washing it three times with anhydrous ethanol, and then drying it at low temperature to obtain antimony sulfide particles; calcining the antimony sulfide particles under inert gas protection to obtain highly crystalline nano-antimony sulfide. The advantages of this invention are that the prepared nano-antimony sulfide has uniform particle size, good dispersibility, and controllable morphology; the product has few impurities, high yield, and high output; the process is simple and low-cost.

The invention discloses an aviation lamp glass lampshade and a manufacturing method thereof. The aviation lamp glass lampshade is prepared from, by weight, 70%-80% of silicon dioxide, 3%-5% of sodium oxide, 0.1%-0.2% of potassium oxide, 0.1%-0.2% of lithium oxide, 15%-20% of boric oxide, 3%-5% of aluminum oxide, 0.5%-0.6% of zinc oxide and 0.3%-0.4% of antimony oxide, and the sum of the weight percentages is 100%. The method has the beneficial effect of reducing the cracking phenomenon of the glass lampshade of the aviation lamp in an environment with rapid temperature change (temperature impact).

This application relates to a solar cell and its fabrication method, a tandem solar cell, and a photovoltaic module. The fabrication method of the solar cell includes: providing a cell body and a conductive material; printing the conductive material onto the cell body; sintering and laser processing the cell body to form electrodes; wherein the conductive material includes silver powder, glass powder, and additives, and the additives include bismuth oxide or antimony oxide. The technical solution of this application has at least the following advantages: precise interface control: through a unique glass system design, "gentle yet effective" etching of the silicon nitride film is achieved. This ensures reliable ohmic contact formation while effectively protecting the underlying shallow junction n+ emitter, significantly reducing the parallel resistance (Rsh) and leakage current of the TOPCon cell, and improving the open-circuit voltage (Voc) and short-circuit current (Isc).

The application provides an antimony impurity doped wafer and a preparation method thereof. A double-temperature-zone method is used to control a temperature field of a source region and a diffusion temperature of a wafer region respectively. The accurate control of the temperature of the source region can ensure the volatilization steam concentration of antimony oxide, and the accurate control of the temperature of the wafer region can ensure the longitudinal depth of impurity diffusion while ensuring the wafer surface quality. Compared with the prior art, the application can significantly improve the impurity doping concentration and diffusion depth of the wafer surface, and has obvious effects on reducing the series resistance of the collector of an NPN transistor. Meanwhile, the high-precision doping of the antimony impurity can be realized through one process step, 200 wafers can be processed per furnace, the production efficiency is greatly improved, and the production and processing cost is reduced.

The application discloses a steel plate enamel medium-temperature nickel underglaze without fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The underglaze is prepared from quartz, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, sodium feldspar, recycled ternary battery positive material and antimony oxide according to specific mass proportions. The preparation comprises raw material mixing, smelting at 1260±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of the smelting state. The underglaze completely avoids the use of fluorinated salt and nitrate, eliminates the problems of fluoride emission and environmental protection equipment blockage from the source, the fluorine content of the product is not detected, and the limit value requirement of the EU REACH regulation is met. Meanwhile, by introducing the recycled ternary battery positive material, the adhesion of the underglaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The invention relates to an antimony-free compound clarifying agent for photovoltaic glass as well as a preparation method and a use method of the antimony-free compound clarifying agent. The antimony-free compound clarifying agent is characterized by being prepared from the following raw materials in percentage by weight: 43.65 wt.%-35.19 wt.% of mirabilite, 47.62 wt.%-44.44 wt.% of sodium nitrate, 0.79 wt.%-3.80 wt.% of manganese dioxide powder, 7.94 wt.%-5.56 wt.% of sodium chloride powder and 0.0 wt.%-12.5 wt.% of tin dioxide powder. The antimony-free composite clarifying agent for the photovoltaic glass has the advantages that the antimony-free composite clarifying agent for the photovoltaic glass does not contain an antimony oxide component, is harmless to a human body and pollution-free to the environment, can completely replace an antimony-based clarifying agent, and is lower than the antimony-based clarifying agent in cost; when the antimony-free composite clarifying agent is used for producing photovoltaic glass, various properties of the prepared photovoltaic glass are the same as those of photovoltaic glass produced by an antimony-containing clarifying agent.

The application belongs to the technical field of lithium ion batteries, and particularly relates to a kind of antimony modified lithium cobalt oxide material and its preparation method and application.The antimony modified lithium cobalt oxide material provided by the application comprises layered lithium cobalt oxide and an antimony layer wrapped on the surface of the layered lithium cobalt oxide;The antimony layer comprises an antimony oxide compound.The application adopts an antimony layer to wrap lithium cobalt oxide, enhances the interface stability of lithium cobalt oxide, makes it have good structural stability at high voltage, and has excellent cycle stability and rate performance as a positive electrode material.

The application discloses a steel plate enamel high-temperature antimony molybdenum ground glaze free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground glaze is composed of quartz, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, antimony oxide, sodium tripolyphosphate and barium molybdate in a specific mass ratio. The preparation comprises the steps of raw material mixing, high-temperature smelting under pure oxygen condition, wire drawing detection and rapid cooling. The ground glaze is completely free of fluorinated salt and nitrate, avoids fluorine emission and environmental protection equipment blockage problems from the source, the fluorine content of the product is not detected through detection, meets the requirements of the EU REACH regulation, has good enamel surface, gloss and high-temperature firing adaptability, is suitable for a steel plate substrate, has a firing temperature of 840-880 DEG C, and can be used for the production of green and environmentally-friendly enamel products.

The application relates to the technical field of refractory materials, and discloses a heat-insulation plate based on a nano heat-insulation material, a preparation method and application. The preparation method comprises the following steps: introducing modified hydroxyethyl cellulose into polycarboxylic acid water reducing agent to prepare a water reducing agent aqueous solution, adding the water reducing agent aqueous solution into magnesium sulphate cement and foaming to obtain a heat-insulation plate crude product; coating a photocuring coating material containing methylpropenyl modified polysilazane, gamma-methylacryloyloxypropyl trimethoxysilane, nano tin antimony oxide and methylpropenoic acid dodecafluoroheptyl ester on the surface of the heat-insulation plate crude product to obtain the heat-insulation plate based on the nano heat-insulation material. The heat-insulation plate has good heat-insulation and heat-preservation effects, good mechanical properties, and can be applied to a kiln as a heat-insulation and heat-preservation material.

This invention discloses a printable temperature-sensing ink for monitoring body temperature in earphone devices and its preparation method. The chemical composition and mass percentage of the printable temperature-sensing ink are as follows: tungsten powder: 71.4%-72.4%, zirconium dioxide powder: 2.6%-3.6%, tin-antimony oxide powder: 2.6%-3.6%, and neutral silica sol: 21.4%-22.4%. The printable temperature-sensing ink is an innovative ink based on conductive materials. It uses modern printing technology to directly print the sensing element onto the earphone body. The core advantage of this technology lies in its ability to achieve rapid and low-cost manufacturing of sensors on various materials, while also possessing good flexibility and adaptability, perfectly conforming to the shape of the earphone device to achieve efficient and accurate temperature monitoring.

An article such as a conveyor belt includes an elastomeric composition containing a unique flame-retardant system that includes intumescent graphite along with other flame retardant(s) that cooperate in synergist effect to achieve certain flame resistance criteria while also providing suitable abrasion resistance. The flame retardants of the system may include halogenated compound(s) from 5 phr to 25 phr, antimony trioxide compound(s) from 1 phr to 15 phr, alumina trihydrate compound(s) from 2 phr to 25 phr, and intumescent graphite(s) from 1 phr to 10 phr. The flame retardants may cooperate in synergistic effect such that the cured elastomeric compound has (i) an afterglow value of less than 100 seconds in accordance with testing under ASTM D378 13.2 as associated with flame resistance; and (ii) a non-rotating DIN abrasion value of less than 150 mm3 according to DIN 53516, Method A as associated with abrasion resistance.

The application relates to the technical field of coating materials, in particular to a wear-resistant and stain-resistant coating and a preparation method thereof. The preparation method comprises the following steps: mixing tin antimony oxide powder, nanoparticles, graphene and activated carbon powder, adding grinding medium, uniformly mixing the grinding medium, separating the grinding medium, drying and activating treatment, and obtaining nano-activated powder; adding polytitanic acid ester and the activated powder into n-butyl ether solvent under stirring and dispersing to obtain a first dispersion liquid; mixing perhydro-polysilazane solution and the first dispersion liquid, then adding n-butyl ether and a leveling agent, mixing and dispersing to obtain a second dispersion liquid; carrying out activation treatment and plasma cleaning on the surface of a substrate, then immersing the substrate in the second dispersion liquid, uniformly pulling out the substrate, and standing to obtain a basic coating; carrying out wet drying and dry drying on the basic coating to obtain a target wear-resistant and stain-resistant coating, and the target wear-resistant and stain-resistant coating has the characteristics of easy cleaning and wear resistance and stability.

This invention provides a high-adhesion, anti-fog, and anti-hazing coating for mirror surfaces, its preparation method, and its application. The coating is mainly prepared by mixing a dispersion of nano-titanium oxide-encapsulated hollow silica, a dispersion of chain-like tin-antimony oxide, a ternary solvent, propylene glycol butyl ether, and ethyl silicate binder. On one hand, this invention leverages the synergistic effect of nano-titanium oxide-encapsulated hollow silica with its unique microstructure and the chain-like tin-antimony oxide to impart anti-fog and anti-hazing properties to the coating, while also providing antistatic and self-cleaning functions, as well as high adhesion to mirror surfaces. On the other hand, it provides a process method to enhance the adhesion of the above coating when sprayed onto mirror surfaces, especially chromium-containing inert mirror surfaces.