691 results about "Ferric Oxide Red" patented technology

The invention relates to a drag-reducing abrasion-resisting solventless coating for a pipeline as well as a preparation method and application thereof. The drag-reducing abrasion-resisting solventless coating contains an A component and a B component, wherein the mass percentage of raw materials is as follows: the A component includes the following materials in percentage by weight: 30%-40% of epoxy resin, 5%-10% of toughening resin, 4%-8% of active diluents, 4%-8% of zinc phosphate, 0.2%-0.5% of levelling agents, 0.2%-0.5% of defoaming agents, 0.4%-0.8% of dispersing agents, 0.2%-1.0% of anti-settling thickening agents, 8%-20% of ferric oxide red powder, 5%-15% of aluminium triphosphate and 5%-15% of white pottery magnetic powder; the B component includes the following materials in percentage by weight: 5%-20% of modified amine and 2%-10% of modified polyamide; and the A component and the B component are matched for use according to the mass ratio of 3-5:1. The drag-reducing abrasion-resisting solventless coating is prepared through material blending, dispersion, grinding, filtration and packaging and can be applied in delivery pipelines of oil and natural gases. The drag-reducing abrasion-resisting solventless coating does not contain volatile solvents and has the advantages of good adhesive force, flexibility, salt spray resistance and solvent resistant property, smooth coating surface, good drag-reducing abrasion-resisting effect, convenient construction, resource saving and good popularization and application prospect.

The invention discloses a resin bendable grinding wheel and a preparation method and a device thereof. The resin bendable grinding wheel consists of brown aluminium oxide, calcined alumina, white alundum, black silicon carbide, phenolic resin powder, phenolic resin liquid, cryolite, barium sulphate, pyretic, iron oxide red, Hunori gel, alkali-free high tensile glass fiber mesh and non-woven black cloth. Compared with the prior art, through the optimization configuration on the aspect of the material selection and working procedures, the strength, the flexibility and the aging resistance of the grinding wheel are greatly improved, and at the same time, the resource and the energy are saved; and the strength of the grinding wheel is more than 80m/s, the grinding ratio is more than or equal to 1:15, the maximum bendable angle can reach 40 degrees, the tensile strength is greatly improved, the service life is prolonged by two times, the energy consumption is reduced by 5 to 10 percent, and the yield of the finished product can reach more than 99 percent.

The present invention discloses a method for adopting the limonite and the siderite to produce iron powder and a reduction roaster. The material adopts the limonite and the siderite or the specularite, the hematite, and the sulphuric acid slag, the inclined rotary reduction roaster is used, the pressure of the furnace chamber is 250 to 350 Pa, under the deoxidizing atmosphere, the inert solid is rotated and moved to 650 to 900 DEG C from the low temperature, and is cooled and magnetized, and lastly become the iron powder through the dressing by magnetic separation. The present invention is adopted to produce the iron powder, the resources is rich and the production cost is low, and through the utilization of the powder metallurgy art, the iron content of the iron powder is controlled and the activation energy of the iron powder is reduced, and the chemical reaction ability is increased, thereby the output of iron powder is high, the quality is good, the iron powder is loose and porous, the specific surface is big, the apparent density is large, the manufacture cost of pellets sinter and steel smelting can be reduced greatly, and the iron powder can use directly to produce iron oxide red as well as H and N synthetic iron catalyst, or produce ultrapure iron powder.

A porous ceramicite and a preparation method and an application thereof in the field of water purifying and filtering technologies, the porous ceramicite comprises the following components in percentage by weight: 2.5%-4.5% of titanium dioxide nanometer grade micro powder, 2%-4.5% of silicon dioxde nanometer grade micro powder, 2.5%-5.5% of zinc oxide nanometer micro powder, 12%-29% of polarity mineral tourmaline powder, 0.5%-1.5% of rare-earth activating agent, 1.5%-3% of ferric oxide red, 3%-10% of feldspar ores, 5%-8% of bergmeal ores, 15%-47% of light clay ores, and the other is water. The method ionizes water into negative ions through realizing infrared, cuts off hydrogen keys through resonance and splits the hydrogen keys into small water molecules (five-six), improves the activation, enables the small molecules into a body, can activate cells, prompts metabolism and acid-base balance, reduces the function of the oxidation-reduction potential ORP value of a water body, and the method can be used for processing water in cups and containers, such as tanks, tower pools, grooves and the like.

The invention discloses a preparation method for smoky yellow crystal bead blanks. The preparation method for smoky yellow crystal bead blanks aims to overcome shortcomings that existing preparation process for smoky yellow crystal bead blanks needs lead oxide as a raw material, coloring and optical properties of iron ions are poor, coloring property of manganese is unstable, and rhinestone bead blanks are poor in physical and chemical properties. Raw materials of the preparation method do not contain lead oxide, and the crystal bead blanks are good in physical and chemical properties, are proper in hardness and high in corrosion resistance. In the preparation method for the smoky yellow crystal bead blanks, raw materials of the smoky yellow crystal bead blanks include, by weight ratio, from 50 to 65 parts of quartz sand, from 2 to 20 parts of titanium dioxide, from 2 to 10 parts of sodium carbonate, from 7 to 20 parts of potassium carbonate, from 0.3 to 5 parts of potassium nitride, from 0.1 to 5 parts of cerium oxide, equal to or lower than 6 parts of boric acid, equal to or lower than 2 parts of aluminum hydroxide, equal to or lower than 8 parts of zinc oxide, equal to or lower than 10 parts of magnesium carbonate, equal to or lower than 15 parts of barium carbonate, equal to or lower than 2 parts of lithium carbonate, equal to or lower than 2 parts of potassium permanganate, equal to or lower than 4 parts of sodium nitrate and equal to or lower than 3 parts of iron oxide red.

The present invention is granular iron oxide red pigment of grain size of 5-100 mesh and its preparation process. The preparation process includes the following steps: compounding water solution of additive in the concentration of 0.3-10 % and heating to 30-100 deg.c; spraying the water solution to iron oxide red in a pelletizing machine to form the granular pigment gradually with the weight ratio of iron oxide red to the water solution being 100 to 15-40; and vibration sieving and stoving to obtain the product. The additive is the combination of two or more of CMCNa, PVA, sodium silicate, glutin, sodium lignosulfonate and ferrous sulfate. The granular iron oxide red pigment has the same performance and use effect as the powdered iron oxide red pigment and is favorable to prevent dust pollution, and may be used to replace powdered iron oxide red pigment.

The invention discloses a method for preparing iron oxide red by taking byproduct ferrous sulfate of titanium dioxide as a raw material. The method comprises the following steps: purifying the byproduct ferrous sulfate, removing impurities, pouring the purified ferrous sulfate solution into a container, stirring the solution and adding ammonia water, adjusting the pH value of the solution to be between 6.5 and 9, and stopping the addition of ammonia water; washing and filtering the obtained material, and stopping until the pH value of the solution is between 6.5 and 7 to obtain filter cake and filtrate; and calcining the obtained filter cake in a rotary kiln to obtain an iron oxide red semi-finished product, putting the semi-finished product into a ball mill, adding water for ball milling, washing, filtering and drying the obtain material after ball milling, and crushing after drying to obtain an iron oxide red product. The method solves the problem of treating the byproduct for titanium dioxide manufacturers, is favorable for environmental protection, and reduces the production cost of iron oxide red; and the iron oxide red prepared by the method is mainly used in aspects of coloring agents, antirust paint pigment, ceramic pigment of building materials, polishing agents of precision parts, and the like.

The invention discloses a method for preparing a solid-mold casting coating material for large-sized cast parts. According to the method, the solid-mold casting coating material is prepared from the following ingredients in parts by weight: 68-75 parts of quartz powder, 5-7 parts of wood ash, 5-7 parts of fly ash, 10-12 parts of water glass, 10-12 parts of sodium bentonite, 4-6 parts of nano calcium carbonate, 1-2 parts of lignosulfonic acid, 2-4 parts of carboxymethyl cellulose, 0.3-0.7 part of glycerine, 2-4 parts of sodium borate, 5-7 parts of starch paste, 1.4-1.6 parts of silica sol, 1-2 parts of nanoscale ceramic powder, 0.5-0.8 part of red ferric oxide powder, 1-2 parts of sodium tripolyphosphate, 4-5 parts of potassium feldspar powder and 525-635 parts of water. The solid-mold casting coating material prepared by the method has excellent gas permeability and quick-drying performance in both a high-temperature environment and a low-temperature environment, thereby meeting the production requirements of the large-sized cast parts.

The invention provides a method for separating and utilizing neodymium iron boron waste materials. The method comprises the following sequential steps of dissolution with hydrochloric acid, primary solid-liquid separation, precipitation with oxalic acid, secondary solid-liquid separation, hydrolysis process, third solid-liquid separation, acidic oxidation process, precipitation of ferric phosphate, fourth solid-liquid separation, evaporation and concentration, and fifth solid-liquid separation. Iron oxide red and praseodymium oxide are obtained through the steps of dissolution with hydrochloric acid, primary solid-liquid separation, precipitation with oxalic acid and secondary solid-liquid separation; iron oxide red and ferric phosphate precipitate are obtained through the steps of dissolution with hydrochloric acid, primary solid-liquid separation, precipitation with oxalic acid, secondary solid-liquid separation, hydrolysis process, third solid-liquid separation, acidic oxidation process, precipitation of ferric phosphate and fourth solid-liquid separation; ammonium chloride is obtained through the steps of dissolution with hydrochloric acid, primary solid-liquid separation, precipitation with oxalic acid, secondary solid-liquid separation, hydrolysis process, third solid-liquid separation, acidic oxidation process, precipitation of ferric phosphate, fourth solid-liquid separation, the evaporation and concentration and fifth solid-liquid separation. The method is high in recovery rate and purity, environment-friendly and pollution-free, low in recovery cost and the like.

The present invention is one kind of water soluble anticorrosive paint and its preparation process, and belongs to the field of paint technology. The water soluble anticorrosive paint consists of two components, including the component A comprising chitin-epoxy resin emulstion 45-50 weight portions, ferric oxide red 20-22 weight portions, antirust pigment 8-10 weight portions, talcum powder 8-10 weight portions, defoaming agent 0.25-0.35 weight portions, leveling agent 0.25-0.35 weight portions, flash rust resistant 0.35-0.45 weight portions and deionized water 8-10 weight portions; and the component B comprising polyamide 650 58-62 weight portions and alcohol ether solvent 38-42 weight portions. The water soluble anticorrosive paint has excellent emulsifying performance, high protecting performance, good antisepsis and anti-mildew performance, high weather resistance and high alkali tolerance.

The invention discloses a two-step oxidation production method for an iron oxide red pigment. According to the method, alpha-FeOOH is used as a seed crystal, a calcium mineral salt is used as a neutralizer in reaction process, and a byproduct obtained in preparation of titanium dioxide, i.e., ferrous sulfate, is used as a raw material; through accurate control of the reaction process, the iron oxide red pigment and a gypsum particle with different particle sizes are finally obtained, a good separation effect on the iron oxide red pigment and the gypsum particle is obtained, and the content of Fe2O3 in a final product is more than 99%; moreover, the particle size of the iron oxide red pigment is at a nanometer level and in a range of 100 to 200 nm, and granularity of the iron oxide red pigment is uniform. The method provided by the invention overcomes the problems of high production cost, secondary pollution to the environment, great potential safety hazards and the like in production of the iron oxide red pigment by using traditional methods; the byproduct ferrous sulfate obtained in preparation of titanium dioxide is utilized, and the raw material is easily available.

The invention discloses waterborne antirust paint and a preparation method thereof. The waterborne antirust paint is prepared from, by mass, 10-25 parts of waterborne acrylic acid modified epoxy ester, 0.6-1.2 parts of neutralizer, 20-30 parts of deionized water, 0.5-1.5 parts of dispersing agents, 0.2-0.5 part of defoaming agent, 14-18 parts of iron oxide red, 2-4 parts of mica powder, 6-10 parts of modified zinc phosphate, 10-14 parts of precipitated barium sulphate, 1-2 parts of propylene glycol, 10-15 parts of styrene-acrylic emulsion, 0.5-1.0 part of coalescing agent, 0.5-1.0 part of waterborne flush rust prevention agent, 0.5-1.5 parts of thickening agents and 0.2-0.5 part of mildew prevention agent. The waterborne antirust paint is high in film hardness, good in adhesive force and excellent in corrosion-resistant performance and mechanical performance, dryness and initial water resistance of paint films are remarkably improved due to the addition of styrene-acrylic emulsion, and the flush rust restraining performance of paint films is improved due to the addition of the waterborne flush rust prevention agent. Water serves as the diluent for the waterborne antirust paint, VOC emission in production and construction projects is greatly reduced, and the waterborne antirust paint is safe, environmentally friendly and capable of being widely used for paint coating on the aspects of steel structures, pipelines, automobile parts and the like.

The invention relates to the technical field of coatings, in particular to an anti-drag wear-resistant solvent-free coating with low-viscosity for a pipeline. The anti-drag wear-resistant solvent-free coating with the low-viscosity comprises a component A and a component B, wherein the component A comprises epoxy resin, an active diluent, a flatting agent, an antifoaming agent, a dispersant, a thixotropic agent 1, a thixotropic agent 2, zinc phosphate, silica, iron oxide red powder, aluminum triphosphate and white pottery powder; the component B comprises modified amine and a thixotropic synergistic agent; and the component A and the component B are used together in the mass ratio of (3-5):1. The solvent-free coating with the low-viscosity has the positive effects of freeness from volatilizable solvent, capability of eliminating coating pin holes, high adhesion, high permeation resistance, high wear resistance, high corrosion resistance, smooth coating surface after being sprayed, good anti-drag and wear-resisting effects, and popularization and application prospects.

The invention discloses a method for producing pigment-level iron oxide red by using titanium dioxide waste residue ferrous sulfate and belongs to the technical field of chemical industry. The pigment-level iron oxide red with excellent performance can be prepared by the method. The method comprises the following steps of: a, removing impurities from the titanium dioxide waste residue ferrous sulfate to prepare a ferrous sulfate solution; b, oxidizing the ferrous sulfate in the solution obtained in the step a to obtain an iron oxide black sediment, and filtering to obtain a filter cake and a filtrate; and c, washing, drying and crushing the filter cake obtained in the step b, and calcining the crushed filter cake to obtain the pigment-level iron oxide red, preferentially, the crushed filter cake is calcined under an aerobic condition, wherein the calcining temperature is 600 to 750 DEG C, and the calcining time is 45 to 60 minutes. The method is low in raw material cost and low in environment pollution; the prepared product has the advantages of bright color and luster, and high tinting strength, oil absorption and dispersibility; and the yield reaches the top standard of an iron oxide red pigment stated by GB 1863-89.

The invention relates to an antirust primer with rust and with elementary surface treatment used for steel materials and a manufacturing method, wherein, fluid A is made by mixing, agitating and grinding bisphenol-A epoxy resin, dimethylbenzene, n-butyl alcohol, tannin, precipitated barium sulfate, zinc phosphate, saponite, iron oxide red, simethicone, polyester modified polyphosphonate compound and polyamide wax micropowder, while fluid B is made from polyamide resin, the dimethylbenzene and the n-butyl alcohol; when in use, mix and cure the fluid A and the fluid B to form the coating film. The antirust primer with rust and with elementary surface treatment has excellent adhesion and corrosion resistance, which can be coated on steel surfaces with uneven rust, solid oxide scale residuals or old paint, and can be directly used and matched as a primer with other finish paints without using any other primers.

The invention discloses a color glass-reinforced plastic profile material made from a novel reclaimed material. The color glass-reinforced plastic profile material is made from raw materials, such as recycled PVC (polyvinyl chloride), modified nano calcium carbonate, a calcium zinc stabilizer, stearic acid, di-n-octyl phthalate, plasticizer, chlorinated polyethylene, ABS (acrylonitrile-butadiene-styrene) high rubber powder, polyethylene wax, paraffin, acrylate impact modifier ACR, MBS (methyl methacrylate), iron oxide red, carbon black and a pigment. According to the color glass-reinforced plastic profile material, the calcium zinc stabilizer substitutes a lead salt stabilizer, so that the color glass-reinforced plastic profile material is safer and harmless and does not affect the health of human bodies. A waste glass-reinforced plastic profile material or an unqualified glass-reinforced plastic profile material is effectively utilized, so that the reutilization of the glass-reinforced plastic profile material is realized, a large number of raw materials are also saved in a production process, white pollution is reduced, our natural environment is more protected, and the policy requirements of energy conservation and environment friendliness are met. The profile material made from the recycled PVC has all the characteristics of the profile material made from the raw materials as well as the characteristics of smoother surface, better density, better toughness and the like.

The invention discloses a polycarbonate /ABS alloy, its preparation method and its application. A raw materials formula of the polycarbonate/ABS alloy comprises the following components by weight parts: 25-50 parts of PC, 20-50 parts of PC reworked material, 20-30 parts of ABS reworked material, 5-10 parts of MBS, 5-8 parts of TPP, 0.3-0.5 part of FR2025 fire retardant, 0.5-2 parts of titanium dioxide, 0.1-0.5 part of anti-oxidant1010, 0.1-0.5 part of anti-oxidant168, 0.1-0.5 part of ultraviolet resistance agentUV-531, 0.03-0.08 part of proliferation powderEBS, 0.02-0.06 part of ultramarine powder, 0.02-0.4 part of iron oxide red powder and 0.005-0.01 part of high temperature resistance fluorescent yellow powder. The alloy of the invention has the characteristics of high performance, high flame retardation, high impact, high stability, antistatic property and the like, and can be used for producing intelligent ammeter housing and terminal strips.

The invention discloses clay green sand for high-pressure molding and a preparation method thereof. The clay green sand is prepared from the following raw materials in parts by weight: 50-70 parts of zircon sand, 30-40 parts of chromite sand, 8-12 parts of bentonite, 5-10 parts of pottery, 3-6 parts of calcium sulfate crystal whiskers, 2-3 parts of calcium lignosulphonate, 1-2 parts of lauryl alcohol polyoxyethylene, 1.5-2.5 parts of polyoxyethylene, 1-2 parts of iron oxide red, 4-8 parts of stove ash slag, 3-5 parts of aluminum silicate fibers, 2-4 parts of composite powder and 5-10 parts of water. The molding sand disclosed by the invention is added with the aluminum silicate fibers and the calcium sulfate crystal whiskers, so that strength and toughness of the molding sand can be improved, damages to a sand mould during drawing are reduced; moreover, the molding sand further has good ability of preventing burnt-on sand and sand inclusion as well as low evolution rate, good gas permeability, and the like, can be used for effectively avoiding the defects such as gas pores and sand inclusion of a casting piece, and improving the production efficiency of a high-pressure molding line and the quality of the casting piece.

The invention provides a process for co-producing sulfuric acid, fine iron powder and iron oxide red by ferrous sulfate heptahydrate and pyrite and relates to the process technology of resource utilization of titanium dioxide byproduct solid waste ferrous sulfate. The process comprises the following steps: adopting titanium dioxide byproduct ferrous sulfate heptahydrate and pyrite as raw materials; increasing the mixing amount of the ferrous sulfate heptahydrate as much as possible through transforming the ferrous sulfate heptahydrate into ferrous sulfate monohydrate, oxygen-enriched roasting, preheating air in front of a furnace, controlling the sulfur content of the pyrite entering the furnace and the moisture and other technical means; and realizing the integrated co-production of the sulfuric acid, the fine iron powder and iron oxide red pigments through cinder fractionation, oxygen-enriched calcining and other process technologies. The process effectively improves the economic value of the heptahydrate ferrous sulfate and has an important significance on efficient and comprehensive utilization of the titanium dioxide byproduct solid waste ferrous sulfate heptahydrate.

Disclosed is a release agent used for sand mold and sand core, which is characterized in that the release agent is made from the compound of stearate, iron oxide red, organobentonite paste, binder and solvent oil. The quality percentage of the main chemical composition is: stearate:12 to 49, iron oxide red: 2 to 8, organobentonite paste: 10 to 40, binder: 0.3 to 2; and the rest is solvent oil. Using the release agent can greatly reduce the bonding power and the mold release resistance of mold and core on the die set. Thus the using period of the die set is increased.

The invention discloses a cold resistant polycarbonate/ABS alloy for an intelligent ammeter shell and a preparation method thereof. Raw materials of the cold resistant polycarbonate/ABS alloy for an intelligent ammeter shell comprise the following components of: by weight, 25-50 parts of PC, 20-50 parts of a PC reworked material, 20-30 parts of an ABS reworked material, 5-10 parts of MBS, 5-8 parts of triphenyl phosphate, 0.3-0.5 part of an FR 2025 fire retardant, 0.5-2 parts of titanium dioxide, 0.1-0.5 part of an anti-oxidant 1010, 0.1-0.5 part of an anti-oxidant 168, 0.1-0.5 part of an ultraviolet resistance agent UV-531, 0.03-0.08 part of a diffusion powder EBS, 0.02-0.06 part of an ultramarine blue powder, 0.02-0.04 part of an iron oxide red powder, 0.005-0.01 part of a high temperature resistance fluorescent yellow powder, and 2-5 parts of a cold resistant agent 2602. The alloy provided by the invention has characteristics of high performance, high cold resistance, high flame retardation, high impact resistance, high stability, antistatic performance and the like, and is suitable for the preparation of an intelligent ammeter shell in a cold region as well as a terminal row.

The invention relates to the field of phosphated residue treatment, and in particular relates to a method for preparing phosphate and iron oxide red by utilizing phosphated residue. The iron phosphate phosphated residue is treated and reutilized by using sodium carbonate, and the method comprises the steps of reacting, insulating and filtering, separating solid and liquid to obtain iron oxide red, and adding phosphoric acid or sodium hydroxide to prepare phosphate. A brand-new development direction for effectively treating and regenerating the phosphated residue can be provided. According to the method for treating the phosphated residue, tens of thousands of waste can be recycled every year, massive phosphor resource can be saved, manpower, materials and financial resources can be saved, environment can be improved, and resources can be protected; and the produced phosphate and iron oxide red are completely in accordance with the national standard, are suitable for the washing industry and dyeing industry, has huge market capacity and great economical benefit.