22 results about "Iron oxide yellow" patented technology

The invention relates to the technical field of iron ore tailing resource utilization, in particular to a method for preparing iron oxide yellow by leaching iron ore tailings through an advanced oxidation technology, which comprises the following steps: adding a required amount of iron ore tailing powder into a persulfate solution, stirring to react, adding a reducing agent, boiling, filtering, adding alkali liquor to adjust the pH value, and filtering, thereby obtaining the iron oxide yellow. Pure liquid containing ferrous ions is obtained; taking part of the pure solution containing ferrous ions, and adding a potassium hydroxide solution to obtain an iron oxide yellow seed crystal solution; adding a pure solution containing ferrous ions into the iron oxide yellow seed crystal solution, adding an alkali solution to adjust the pH value, reacting, and separating and drying a product to obtain the iron oxide yellow. According to the method, the persulfate is adopted to leach iron from the iron ore tailings, and the iron oxide yellow is prepared from the leachate; harmless treatment of the iron ore tailings and value-added utilization of valuable resources are achieved, the raw material source of the iron oxide yellow industry is widened, and a wider prospect is provided for development of iron oxide yellow.

The invention discloses an aluminum tube coating process for OPC photosensitive drum production and preparation, and belongs to the technical field of OPC photosensitive drum processing and preparation, and the aluminum tube coating process comprises the following steps: S1, preparing an outsourcing aluminum alloy into an aluminum tube; s2, the aluminum pipe is cleaned; s3, the cleaned aluminum pipe is sequentially subjected to the dip-coating process for three times; s4, nanoscale silicon dioxide particles accounting for 0.5%-2% of the total weight of the mixture are added in the preparation process of the substrate coating; s5, the photosensitive coating is prepared by dissolving polyamide resin in a tetrahydrofuran solution; s6, the charge transport layer is prepared by dissolving polycarbonate resin in tetrahydrofuran, and adding iron oxide and iron oxide yellow; and S7, the horizontal sand mill inputs the solid-liquid phase mixed material into the barrel through a material pump, and the disperser rotating at a high speed makes solid particles in the material collide, rub and shear with the grinding medium. According to the invention, stronger physical crosslinking points can be formed in the coating, and the adhesive force between the coating and the surface of the aluminum pipe is obviously improved.

The invention relates to a special color master batch for imitating walnut wood, a preparation method of the color master batch and a method for preparing a walnut wood imitating polyolefin floor by using the color master batch. The walnut-imitated color master batch comprises the following components in percentage by mass: 10-12% of titanium dioxide, 2.5-3.0% of carbon black, 3-5% of iron oxide red, 2-4% of iron oxide yellow, 0.5-1% of phthalocyanine blue, 1-2% of a dispersing agent and the balance of a resin carrier, and the sum of the components is 100%. According to the technical scheme, through three key technologies of accurate color matching of multiple pigments, efficient dispersion and temperature gradient control, the walnut-wood-imitating polyolefin floor achieves the level of natural walnut wood in the dimensions of color simulation degree, texture stereoscopic impression and the like, and exceeds the level of the natural walnut wood in the indexes of material cost, weather resistance, processing efficiency, environmental friendliness and the like.

A system for producing iron oxide yellow from coal gangue leachate comprises a first reaction tank, a second reaction tank, a mixing tank and a filter press, a first inlet and a second inlet are formed in the top of the first reaction tank, a first pipeline is arranged at the bottom of the first reaction tank to supply materials to the second reaction tank, a second pipeline is arranged to supply materials to the mixing tank, and a third inlet and a fourth inlet are formed in the top of the second reaction tank. A first aeration pipe is arranged in the second reaction tank, an overflow pipe is arranged on the side wall of the second reaction tank, a fifth valve is arranged to control opening and closing, a third pipeline is arranged at the bottom of the second reaction tank to supply materials to the mixing tank, a fifth inlet is formed in the top of the mixing tank, a second aeration pipe is arranged in the mixing tank, and a fourth pipeline is arranged at the bottom of the mixing tank to supply materials to the filter press; a fourth valve is arranged on the fourth pipeline, and a solid-phase discharge port of the filter press is used for discharging iron oxide yellow outwards. The device is simple in structure and low in production cost, and can effectively avoid environmental pollution on the basis of improving the utilization value of the coal gangue leachate.

The invention relates to the technical field of flame-retardant materials, in particular to a light-weight secondary-processing-free top plate flame-retardant material for a passenger car. According to the invention, various flame retardants are used to generate a synergistic effect, the chemical stability, the mechanical strength and the electrical insulation property are relatively high, halogen free radicals are released at a high temperature, active free radicals in a combustion reaction are captured, a free radical chain reaction of combustion is inhibited, and a protective film is formed on the surface of the material to isolate air; the combustion temperature is reduced through an internal endothermic reaction, the coating is oxidized in a high-temperature state, the oxygen concentration in air is reduced, and a flame-retardant effect is achieved, titanium dioxide can make the coating have good covering power and decoration performance, calcium carbonate can increase the volume and thickness of the coating, and the mechanical strength and wear resistance of the coating are improved; the iron oxide yellow can endow the coating with specific colors and functions such as rust prevention and corrosion prevention, so that the flame retardant effect of the passenger car roof is improved, secondary processing is not needed, the mass of the passenger car roof is reduced, and the purpose of light weight is achieved.

The invention relates to a venturi tube-based iron oxide preparation device, which comprises a reaction kettle, a venturi tube, a circulating pump, an oxygen storage device, a gas mixing cylinder and the like, a solid-liquid mixed reactant is stored in the reaction kettle, the reaction kettle is provided with a circulating gas outlet, a circulating liquid outlet and a circulating liquid inlet, and the gas mixing cylinder mixes air and oxygen and then inputs the mixture into the venturi tube; a liquid reactant enters the Venturi tube through the circulating pump, gas and liquid are fully mixed in the Venturi tube and then return to the reaction kettle, and a stainless steel heating tube is arranged in the reaction kettle to provide a heating environment. A filtering tank, a fine hole partition plate, a liquid level sensor, a temperature sensor, an oxygen content sensor and the like are further arranged. The device achieves the technical effects that oxygen in the air fully reacts with solid-liquid mixed reactants, iron oxide yellow, iron oxide red and iron oxide black can be produced according to different proportions, the universality of the device is improved, meanwhile, the efficiency of the circulating pump is improved, the service life of the circulating pump is prolonged, it is guaranteed that the reaction is conducted at the appropriate temperature and under the appropriate oxygen content, and product discharging is facilitated.

The invention belongs to the technical field of sewage treatment devices, and discloses an iron oxide yellow production sewage treatment device which comprises a reaction box, and a water inlet is fixedly connected to the back face of the reaction box in a sleeving mode. By arranging a first valve, a separation box, a dehydration box and a mesh plate, an operator puts chemical materials such as a flocculating agent into sewage in a reaction box through a feeding pipe, iron oxide yellow particles can be coagulated together through precipitation and reaction, then a driving motor is started, a rotating shaft drives a rotating rod to rotate, and the sewage in the reaction box is separated. Further, a hinge rod drives a connecting block and a mesh plate to move rightwards, so that the mesh plate can push agglomerated iron oxide yellow particles into a separation box, at the moment, a first valve is started, sewage in the reaction box can be discharged through the first valve, and then a second valve is started, so that the sewage in the reaction box can be discharged through the second valve; iron oxide yellow and sewage in the separation box can fall into the dehydration box through the second valve.

The invention discloses a yerba mate glaze ceramic which comprises a green body and a glaze layer covering the surface of the green body, and the glaze layer comprises the following components in percentage by mass: 55%-60% of feldspar, 5%-10% of quartz, 10%-15% of calcite, 20%-25% of iron-containing clay, 2%-3% of manganese oxide, 1%-2% of cobalt oxide and 1%-3% of copper oxide; compared with the prior art, the iron oxide yellow and the cobalt blue jointly form the black substrate and are superposed with the blue tone, pure iron and cobalt only present common black glaze, and under the introduction of copper ions and the action of a strong oxidizing atmosphere, a unique'yerba 'tone is shown, the visual effect of a glaze surface is better, and the diversified requirements of the modern market are met in aesthetic expressive force.

This application belongs to the technical field of building repair materials, and particularly relates to a red brick restoration agent and its restoration method. The red brick restoration agent is composed of the following components by weight: 30-40 parts polymer dry powder mortar, 8-12 parts aldehyde-free alcohol adhesive, 0.1-0.3 parts iron oxide red powder, 0.05-0.15 parts iron oxide yellow powder, and 8-12 parts clean water. This restoration agent, through the synergistic effect of "nano-mineral color matching + polymer micro-reinforcement + aldehyde-free alcohol adhesive bonding," enables the repair layer to be "integrated" with the old brick in four dimensions: visual appeal, mechanical properties, durability, and environmental friendliness, achieving "original appearance restoration and lifespan extension."

This invention belongs to the technical field of pigments and their production processes, and provides a dry-process compounding green pigment and its production process. The raw materials include extender, iron oxide yellow, phthalocyanine blue, and additives. The extender includes talc, which effectively increases the fluidity of other raw materials during stirring, mixing, and ball milling, resulting in more thorough mixing. The additives can coat the particles of each raw material during ball milling, improving the dispersibility between inorganic and organic raw materials, thereby enhancing the pigment's weather resistance, color, and tinting strength. In the production process, a two-step mixing step—premixing with a biaxial conical mixer followed by ball milling—increases the uniformity of mixing among the raw materials. The additive modification solves the dispersibility problem between inorganic and organic raw materials and further reduces the particle size of the green pigment. The resulting product has a particle size of over 800 mesh and exhibits good hydrophilicity, dispersibility, weather resistance, color, and tinting strength.

The invention provides an acrylic polyurethane coating composition for a wet-on-wet process and a preparation method of the acrylic polyurethane coating composition. The composition consists of a floating coat and a finishing coat, the main agent in the finish paint is prepared from the following components in parts by weight: 35 to 40 parts of hydroxypropyl resin, 1 to 3 parts of propylene glycol methyl ether acetate, 1.3 to 3.5 parts of S-100A, 1 to 3 parts of BYK163, 0.1 to 0.6 part of polyethylene wax, 0.5 to 1.4 parts of pigment yellow No.83, 3.5 to 4.5 parts of titanium dioxide, 2 to 6 parts of superfine precipitated barium sulfate, 12 to 18 parts of iron oxide yellow, 4.1 to 8 parts of butyl acetate, 14 to 18 parts of hydroxypropyl resin, 0 to 8 parts of hyperbranched polyester, 0.2 to 0.7 part of BYK358, 0.02 to 0.1 part of BYK300, 0.2 to 0.6 part of Tinuvin292, 0.6 to 1 part of Tinuvin1130 and 0.2 to 0.6 part of 10 percent DBTDL. According to the invention, the paint film meets the requirements of mechanical properties, and the overall appearance of the paint film is improved.

The utility model discloses a grinding wheel device for heavy iron oxide yellow, which belongs to the technical field of grinding wheels and comprises a spiral conveying component, a grinding wheel component and a control box, the spiral conveying component comprises a conveying shell, a spiral blade and a conveying motor, and a first feed port and a first discharge port are arranged on the conveying shell. The runner wheel assembly comprises a support, a working barrel, a runner wheel and a driving assembly, the first discharging opening is connected with the working barrel through the sliding way barrel, and a discharging hole is formed in the bottom wall of the working barrel. According to the utility model, the feeding speed and the rotating speed of the runner wheel can be controlled so as to adapt to the characteristics and production requirements of different raw materials, and the adaptability and controllability of the equipment are improved; the spiral conveying assembly can grind and mix iron oxide yellow raw materials; according to the feeding and discharging device, feeding and discharging can be achieved at the same time, the production efficiency is improved, the waiting time for feeding and discharging is shortened, and the production process is further optimized.

The invention relates to the technical field of grinding machines, in particular to a heat-resistant iron oxide yellow pigment particle energy-saving fine grinding machine which comprises a shell, a crushing hopper is arranged at the upper end in the shell, a crushing roller is arranged in the crushing hopper, the crushing roller is connected with an upper driving assembly for driving the crushing roller to reciprocate, and a plurality of discharging holes are formed in the bottom of the crushing hopper. A cleaning assembly for preventing the discharge hole from being blocked is arranged in the shell below the crushing hopper, a receiving hopper is arranged in the shell, an opening and closing assembly is arranged in the shell below the receiving hopper, a left grinding roller and a right grinding roller are rotationally connected in the shell below the opening and closing assembly, and the left grinding roller and the right grinding roller are connected with a lower driving assembly; the lower driving assembly is connected with the cleaning assembly through the transmission assembly, and a downward pressing assembly for assisting rapid grinding is connected into the material receiving hopper, rapid crushing and grinding of iron oxide yellow pigment particles are achieved, blockage of a discharging hole is avoided, energy is saved, and the iron oxide yellow pigment particle crushing and grinding device has wide application prospects in the technical field of grinding machines.

This utility model relates to the field of iron oxide yellow production technology, and discloses a feeding device for producing low-sulfur iron oxide yellow. The device includes a support frame, a weighing mechanism on the inner side of the support frame, a pad at the bottom of the support frame, and multiple support legs fixedly connected to the top left side of the pad. The tops of the multiple support legs are fixedly connected to the same storage tank, and the storage tank has an anti-blocking mechanism inside. The weighing mechanism includes a fulcrum rod, which is fixedly connected to the middle of the inner side of the support frame. A balance rod is rotatably connected to the outer wall of the fulcrum rod. In this utility model, when the weights at both ends of the balance rod are equal, a trigger switch is activated to close the electric valve, and cylinder two is activated, causing the balance rod to rotate 90 degrees. Subsequently, cylinder one is activated to push the moving block to slide, causing the opening and closing plate to move to both sides of the material container, allowing the material inside the container to fall downwards, thus achieving a quantitative feeding process.

The invention relates to the technical field of medicines, in particular to a dry suspension of medicine bosutinib for treating chronic myeloid leukemia (CML) and a preparation method of the dry suspension. The bosutinib tablet is prepared from the following raw materials in parts by weight: 50 to 100 parts of bosutinib, 10 to 60 parts of cane sugar, 10 to 60 parts of mannitol, 1 to 20 parts of citric acid, 1 to 20 parts of povidone, 1 to 10 parts of sodium carboxymethyl cellulose, 1 to 20 parts of poloxamer, 1 to 20 parts of xanthan gum, 0.1 to 5 parts of silicon dioxide, 0.1 to 0.5 part of stevioside, 0.01 to 0.5 part of iron oxide yellow and 0.01 to 0.5 part of iron oxide red. By optimizing a prescription and a preparation process, the physical stability and the chemical stability of the suspension are improved, the storage life is prolonged, the dry suspension is quickly dispersed in water, the uniformity and the effectiveness of medicine use are ensured, the medicine taking convenience of old people and child patient groups is improved, and the patient compliance is better.

The invention belongs to the field of solid waste treatment, and particularly relates to a method for separating iron, aluminum and chromium in serpentine neutralized iron slag, which comprises the following steps: mixing the serpentine neutralized iron slag with acid liquor for acid treatment; directly carrying out reduction treatment on the slurry subjected to acid treatment, so that ferric ions in the slurry are reduced into ferrous ions; then carrying out solid-liquid separation to obtain a reduction solution containing ferrous iron, aluminum and chromium; the method comprises the following steps: dropwise adding a reducing solution serving as a titration solution A and magnesium oxide slurry serving as a titration solution B into a base solution based on a double titration mode for impurity removal and precipitation treatment, and then carrying out solid-liquid separation to obtain a ferrous purified solution and impurity-removed slag enriched with aluminum and chromium. According to the method, selective separation of iron, aluminum and chromium can be achieved, and high-quality iron oxide yellow can be obtained.

The invention discloses a preparation method of a hydrophobic colorful coating, which comprises the following steps: step 1, base material pretreatment: cleaning the surface of a calcium silicate board until no oil stain or floating ash exists, and carrying out sealing treatment by using an alkali-resistant sealing primer; step 2, preparation of a colorful functional layer: mixing protective glue magnesium lithium silicate (2wt%), aqueous acrylic emulsion EQ143 (40wt%), aqueous color paste iron oxide red, iron oxide yellow, carbon black (2wt%), kaolin (2wt%), an aqueous dispersant SN-5040 (0.5 wt%), texanol (1wt%), propylene glycol (0.5 wt%) and deionized water (52wt%), granulating to prepare an aqueous colorful coating, and spraying and drying to prepare the colorful stone-like coating; and 3, constructing a hydrophobic layer: preparing the super-hydrophobic surface composite coating with a secondary structure by adopting micron and nano silicon dioxide. The hydrophobic colorful coating prepared by the preparation method of the hydrophobic colorful coating provided by the invention is excellent in hydrophobic performance (the contact angle reaches 162.5 degrees) and strong in pollution resistance; and the stone imitation effect is vivid.

The invention relates to the technical field of wood coloring agents, in particular to the technical field of research and development of dye / pigment mixed type wood coloring agent products, and particularly relates to a coloring agent containing 2-methyl resorcinol and a preparation technology of the coloring agent. 3-8 parts of iodopropyl functionalized iron oxide yellow; 0.3 to 1 part of copper phthalocyanine; the adhesion function modifier is a multifunctional 2-methyl resorcinol derivative containing a vinyl sulfone functional group and a secondary amine functional group; 25-30 parts of a filler; 1-3 parts of a composite additive; 0.5 to 1.5 parts of hydroxyethyl cellulose; and 30-40 parts of deionized water. The adhesive force of the prepared coloring agent on a wood base material reaches 0 level, and the coloring agent shows excellent adhesion performance.

The invention relates to the technical field of protective coatings, in particular to an antibacterial coating for a vehicle chassis and a preparation method of the antibacterial coating. The antibacterial coating for the vehicle chassis is prepared from the following components in parts by weight: 30 to 50 parts of acrylic emulsion, 10 to 20 parts of a compound additive, 6 to 10 parts of nano calcium carbonate, 2 to 5 parts of silicon carbide, 2 to 4 parts of carbon black, 1 to 2 parts of bentonite, 2 to 3 parts of nano zinc oxide, 2 to 3 parts of dipropylene glycol butyl ether, 3 to 5 parts of tetraphenyl bisphenol-A-diphosphate, 0.6 to 1.2 parts of zinc strontium phosphate and 0.8 to 1.5 parts of iron oxide yellow. The coating is prepared from the following components in parts by weight: 0.2 to 0.5 part of 2-methyl-4-isothiazolin-3-ketone, 0.5 to 1 part of a flatting agent, 0.6 to 1.2 parts of a wetting agent, 0.5 to 1 part of a defoaming agent, 0.3 to 0.8 part of a dispersing agent and 10 to 20 parts of water. The antibacterial coating prepared by the invention not only has excellent antibacterial performance, but also has excellent wear resistance, so that the wear resistance of the vehicle chassis is effectively improved, and the probability that the vehicle chassis is scratched is reduced; and meanwhile, microbial erosion in a humid environment can be resisted, the durability and reliability of vehicle chassis protection are remarkably improved, and the service life of the vehicle chassis is prolonged to a certain extent.

Disclosed are a composite resin denture porcelain block, a preparation method thereof and a composite resin denture. The composite resin denture porcelain block includes 0.1% to 15% of carbamate dimethacrylate, 0.1% to 10% of bisphenol A-di glycidyl methacrylate, 3% to 20% of triethylene glycol dimethacrylate, 35% to 85% of glass powder, 0.1% to 8% of ZrO2, 3% to 15% of SiO2, 0.1% to 40% of ZrO2—SiO2 composite powder, 2% to 17% of diatomite, 0.01% to 3% of benzoyl peroxide, 0.01% to 3% of N,N dihydroxyethyl p-toluidine, 0.01% to 3% of 2,6 di-tert-butyl p-cresol, 0.001% to 0.2% of iron oxide red, 0.001% to 0.2% of iron oxide black, and 0.001% to 0.5% of iron oxide yellow. The composite resin denture porcelain block of the present application uses carbamate dimethacrylate, bisphenol A-di glycidyl methacrylate, and triethylene glycol dimethacrylate as the resin matrix.

The invention discloses a ceramic tea cup glaze and a manufacturing method thereof, the glaze breaks through tradition, adopts 100% raw ore materials, contains kaolin iron oxide, loess, quartz (SiO2 with specific gravity of 2.22-2.65), feldspar (containing various oxide components) and calcite, does not contain any chemical material, is environment-friendly and harmless, has unique color change, accords with modern aesthetic and green development concepts, and has a good market prospect. The method is an innovative inheritance for ancient non-abandoned processes. The preparation method comprises the following steps: preparing the raw materials in proportion, putting the raw materials into a ball mill, and adding tap water to grind for 18-36 hours; filtering the slurry by using a 80-120-mesh screen, sealing, and aging for seven days in an environment of about 30 DEG C; the aged glaze is applied to the tea cup blank subjected to bottom temperature biscuit firing (800-1000 DEG C) twice, and finally the tea cup blank is put into a kiln to be fired at the high temperature of 1260-1310 DEG C, slowly cooled to 60-30 DEG C and taken out of the kiln. Brand new visual experience is brought to the ceramic tea cup, and ceramic industry innovation and non-abandoned culture inheritance are promoted.

This invention discloses a method for preparing arsenic-cadmium lattice mineralized and immobilized silicate mineral materials based on mechanochemical ball milling and its application. The invention aims to solve the technical problems of poor arsenic and cadmium immobilization and ineffective immobilization in existing silicate mineral materials. Preparation method: 1. Mix iron oxide yellow and serpentine evenly to obtain an iron-serpentine composite silicate mineral material; 2. Place the iron-serpentine composite silicate mineral material in a ball mill jar and ball mill it at a controlled speed to obtain an arsenic-cadmium lattice mineralized and immobilized silicate mineral material. Application: This invention involves adding the arsenic-cadmium lattice mineralized and immobilized silicate mineral material to polluted water or soil. This invention uses a mechanochemical method to form a surface bond between iron manganese oxides and serpentine, constructing a composite interface with multiple synergistic effects, improving the adsorption performance of cadmium and arsenic, and significantly promoting the diffusion and immobilization process of heavy metal ions into the serpentine lattice.