237 results about "Chrome yellow" patented technology

A hot-melt reflective pavement marking paint with high weather resistance, which is composed of thermoplastic resin, filler, reflective material, pigment and additives, wherein: Among them: thermoplastic resin is C ₅ Petroleum resin; the filler is quartz sand and calcium carbonate powder with different particle size distribution; the reflective material is glass beads; the pigment is titanium dioxide or medium chrome yellow; the auxiliary agent is plasticizer, ultraviolet absorber, dispersant, thixotropic agent constitute, of which: The beneficial effect of the invention is that it is suitable for use in high-altitude areas, is resistant to large temperature differences between day and night, has strong anti-ultraviolet rays, and significantly improves the performance of anti-aging and anti-cracking of road marking coatings.

The invention discloses an anticorrosive environment-friendly spray paint formula, and relates to the field of chemical industries. The anticorrosive environment-friendly spray paint formula comprises the following components in parts by weight: 28 to 35 parts of glacial acetic acid, 3 to 7 parts of organic fluorine epoxy resin, 7 to 12 parts of epoxy modified organic silicon resin, 2 to 6 parts of glycol monomethyl ether, 6 to 9 parts of dimethyl sulfoxide, 8 to 13 parts of zinc phosphate, 8 to 13 parts of barium chromate, 1 to 4 parts of ethanol, 2 to 7 parts of polyacrylate, 1 to 4 parts of alcohol soluble resin, 7 to 13 parts of diacetone alcohol, 6 to 9 parts of zinc oxide, 8 to 13 parts of toluene diisocynate, 3 to 7 parts of n-butyl acetate, 12 to 16 parts of benzophenone, 9 to 13 parts of triethanolamine and 3 to 7 parts of diphenyl polysiloxane. The paint is bright in color and good in air-curing resisting effect, can substitute medium chrome yellow in inorganic pigment, is applicable to the outer wall paint, and has no harm of heavy metals, no harmful substances, good environment protection effect, little odor, no peculiar smell after being smeared on the wall, good mechanical performance, excellent electric insulation performance, dampness and water resistance, rust and cold resistance and ozone aging resistance.

The invention discloses a grey heat-insulation flame-retardant external wall paint. A surface ultraviolet-curing elastic acrylic emulsion and modified silica sol are compounded to obtain a film forming material, an ALTIRIS infrared reflection pigment is used as a white pigment, a compound black color paste is used as a coloring pigment, and melamine-modified ammonium polyphosphate is used as a flame retardant; and under the cooperation of deionized water and multiple assistants, dispersion, grinding, blending, and color matching are carried out to prepare the grey heat-insulation flame-retardant external wall paint. The compound black color paste is prepared by the following steps: compounding iron oxide red, titanium-chrome yellow and phthalocyanine blue into a black pigment, mixing with a proper amount of deionized water, dispersing agent, wetting agent and defoaming agent, dispersing and grinding. The invention has the characteristics of grey color, high solar reflection factor, cracking resistance due to high elasticity, heat insulation and control, flame retardancy and fire resistance, is suitable to be sprayed as a veneer paint for EPS, XPS and polyurethane hard foamed external wall external-thermal-insulation systems, and has wide popularization prospects.

The invention relates to a seawater-resistant anticorrosive paint, which comprises components in parts by weight as follows: 20-40 parts of 50% chlorinated rubber resin solution, 15-30 parts of 7119 acrylic resin, 0.5-1.0 part of dispersant BYK163, 10-20 parts of zinc chrome, 5-10 parts of A-type titanium dioxide, 1-5 parts of zinc oxide, 5-10 parts of talcum powder, 2-5 parts of 10% BT-38 pregel, 5-10 parts of 50% linseed alkyd resin solution, 5-10 parts of chlorinated paraffin (containing 52% of chlorine), 5-10 parts of dimethylbenzene, and 5-10 parts of butyl acetate. A preparation method of the seawater-resistant anticorrosive paint comprises the steps of preparing the chlorinated rubber resin solution, preparing the pregel, mixing and stirring. The seawater-resistant anticorrosive paint has the beneficial effects that the 50% linseed alkyd resin solution toughens and modifies the chlorinated rubber resin and the acrylic resin to endow excellent resistance against seawater, salt water, salt mist, oil, abrasion and chemicals.

The invention relates to a kind of anti-corrosion epoxy-silicone resin coating and its preparation. In the invention, it takes the anti-corrosion epoxy-silicone resin ES-06 as material for the film, and polyamide 650 as curing agent, and it also includes anti-rust paint chrome yellow zinc, chromium and molybdenum acid strontium zinc, titanium dioxide pigments physique, mica, talc, defoamer 550, dispersant TM-950 and the solvent system of xylene and n-butyl alcohol. The advantage of the matiral is that the coating can be cured at room temperature, meanwhile, it has the properties such as the maximum adhesion of one class, a flexible of 0.5mm, a impact strength of 50kg.cm, a salt spray cumulative maximum time a 360 hours, and the coating has a good basic physical property and excellent corrosion resistance.

The FBE phenolic modified epoxy powder comprises, 25~50% phenolic modified epoxy resin, 0~25% E-12 epoxy resin, 10~15% curing agent, 0.5~2.0% levelling agent, 0.2~0.3% degasifier, 0.02~0.05% curing accelerant, 0.5% chrome yellow, 0.05% phthalocyanine, 2.5% phthalocyanine, and 25~30% deposited barium sulfate. Wherein, mixing rapidly the resins, curing agent, and levelling agent for 1~2min; adding others to mix for 3~5min; fusion extruding the mixed material; tabletting the fused material; cooling to smash in frain mill and classify; separating fine powder by cyclone, and sieving the powder to obtain product.

A process for recovering chrome yellow from the Cr-containing waste water and removing metallic ions includes adding the solution containing Pb (2+) ions to said waste water to generate PbCrO4 precipitate and reduce the Cr (6+) concentration to lower than 0.5 mg/L, solid-liquid separation, drying the solid, cooling, pulverizing to obtain chrome yellow powder, adding francolite to the liquid to adsorb Cr (6+) and Pb (2+) ions, solid-liquid separation, and draining the liquid.

The invention relates to a novel water-based epoxy floor paint and a preparation technique thereof. The invention is characterized in that the novel water-based epoxy floor paint is composed of a component A and a component B. The component A is prepared from the following raw materials in parts by mass: 80 parts of water-based epoxy resin and 20 parts of reactive diluent. The component B is prepared from the following raw materials in parts by mass: 20-25 parts of water-based epoxy curing agent, 25-35 parts of deionized water, 0.2-0.6 part of RS610 wetting and dispersing agent, 0.3-0.5 part of DF681F defoaming agent, 0.5-1 part of scratch-resistant aid, 0.2-0.4 part of A401 alkali swelling thickener, 4-6 parts of titanium white, 2-3 parts of BGS phthalocyanine blue, 1-1.5 parts of 801 strontium chrome yellow, 10-15 parts of light calcium carbonate, 20-25 parts of precipitated barium sulfate and 10-15 parts of ultrafine talcum powder. By using water as the dispersion medium, the floor paint is free of volatile organic solvents (such as methylbenzene and xylene), so that abundant resources are saved, the fire hazard during construction is eliminated, the atmosphere pollution is lowered, and the working environment conditions are improved; and the coating has high adhesion and high binding property for most substrates.

The invention discloses a preparation method of copper-chrome alloy, and belongs to the technical field of the preparation of alloy material. In the method, 55% CuO, Cr2O3 and aluminum powder are taken as main raw materials. The preparation method comprises the following steps of: adding MgSO4 and CaF2; adopting a material laminated self-propagating reaction technology, wherein A layer is the mixed materials of CuO, Cr2O3, aluminum powder and CaF2 and the mixed materials are added on the bottom layer of a reaction mould, B layer is the mixture of MgSO4, Al and CaF2 and the mixture is added on the A layer materials, and an igniting agent is added on the B layer material; and adopting an aluminothermic reducing method to obtain copper-chrome (Cu-Cr) alloy. According to the preparation method, the raw material source is wide, the production cost is low, the operation method is simple, and the product quality is greatly improved.

The invention discloses a polyvinyl chloride (PVC) hard modified plastic which is characterized in that a general PVC plastic raw material, a stabilizer, a lubricant, a coloring agent and a filler are mixed and granulated, wherein the stabilizer is tribasic lead sulfate, dibasic lead phosphite, barium stearate or cadmium stearate; the lubricant is stearic acid, paraffin or mineral oil; the coloring agent includes rutile type titanium dioxide, chrome yellow and channel black; and the filler includes calcium carbonate, argil and glass fiber. Through the way, the PVC hard modified plastic disclosed by the invention has better mechanical properties and good heat resistance, resists impact and aging, and is particularly suitable for the buildings such as doors/windows, pipelines, plates and the like and the related industries.

The invention relates to a coating for outer walls and a preparation method thereof. The coating contains following components in parts by weight: 60 to 90 parts of acrylic acid ester emulsion, 25 to 40 parts of silica sol, 12 to 20 parts of pearl essence, 0.3 to 1 part of light chrome yellow, 25 to 45 parts of ash calcium powder, 20 to 40 parts of powdered steatile, 2 to 5 parts of hectorite, 1.3 to 3.2 parts of clay, 1.5 to 4 parts of aluminum sulfate, 0.6 to 1.5 parts of antifoaming agent, 4.5 to 12 parts of Texanol alcohol ester, 0.1 to 0.7 part of cuprous oxide and 50 to 85 parts of water. The coating for outer walls has the functions of water resistance, acid resistance, alkali resistance, freezing and thawing resistance, pollution and dust resistance, aging resistance and fire resistance, and also has the effects of mildew resistance and sterilization.

The invention discloses a method for recycling chromium from chromium passivation wastewater of an electrolytic manganese factory. The method is characterized by comprising the following steps of: adding hydrogen peroxide into the chromium passivation wastewater, oxidizing Cr(III) into Cr(VI), adding sodium hydroxide into liquid to remove impurities, such as Mn and other metal ions, adjusting pH and adding Pb<2+>, washing the obtained precipitate part by using water, drying and preparing powder to obtain chrome yellow, adjusting pH of supernate, adding aluminum sulfate, stirring, reacting andperforming solid-liquid separation, wherein the obtained supernate is used for washing the negative plate of the discharged manganese of the electrolytic manganese factory. By the method, the chromium recycling rate is over 99 percent, the impurities, such as manganese and other metal ions are removed, purity of chrome yellow in the product and the product quality are improved, the chromium content in sludge is reduced through recycling and recovering of chromium in wastewater, the sludge does not belong to risky solid wastes, the wastewater can be used for washing the negative plate of the discharged manganese of the electrolytic manganese factory, the policy of energy conservation and emission reduction, recycling of resource, and cyclic utilization is met, and economic benefit is brought to relative industry.

The invention discloses a single-component primer-topcoat paint commonly used on stainless steel, a galvanized sheet and an aluminum alloy, and a preparation method for the single-component primer-topcoat paint commonly used on the stainless steel, the galvanized sheet and the aluminum alloy. The single-component primer-topcoat paint commonly used on the stainless steel, the galvanized sheet and the aluminum alloy is prepared from the following components: epoxy modified acrylate resin, dimethylbenzene, butyl acetate, a flatting agent, a defoaming agent, an adhesion promoter, chlorinated paraffin, precipitated barium sulfate, rutile type titanium dioxide, carbon black powder, medium chrome yellow powder and polyamide wax. The paint prepared by the preparation method disclosed by the invention can meet the needs of a stainless steel substrate, a galvanized sheet bottom substrate and an aluminum alloy substrate, and really achieves multiple purposes. Meanwhile, the prepared paint is convenient to construct, stable in performance and great in quantity demand. As primer, the single-component primer-topcoat paint is excellent in adhesion with the three substrates, can be coated with polyurethane acrylate finish, fluorocarbon finish, and the like, and is good in covering power while being used as finish, and excellent in weather resistance.

The invention provides a waterborne undercoat-topcoat integrated paint applied to type-25 passenger trains. The paint comprises a component A and a component B; the component A is prepared from waterborne hydroxy acrylic resin emulsion, waterborne organic silicon modified epoxy resin emulsion, waterborne chlorinated polypropylene emulsion, rutile titanium dioxide, phthalocyanine green, phthalocyanine blue, medium chrome yellow, carbon black, nano barium sulfate, surface treatment silicon powder, waterborne zinc phosphate, a waterborne dispersing agent, a waterborne foam inhibitor, a waterborne defoaming agent, a waterborne leveling agent, a surfactant, a neutralizing agent, a waterborne ultraviolet absorbing agent, waterborne polyamide wax slurry, a mould-proof bactericide, deionized water and a solubilizer; the component B is a hydrophilic isocyanate curing agent. The waterborne undercoat-topcoat integrated paint is high in drying speed, hardness and sagging resistance and excellent in chemical resistance, weatherability can reach 2000h or above, butanone resistance reaches 1000 times or above, and salt spray resistance reaches 2000h or above.

The invention discloses a plastic dehumidifying coloring mother particle, which is characterized in that the dehumidifying coloring mother particle comprises one or a plurality of calcium oxide, magnesium oxide and tin oxide 11-60 parts by weight, one or a plurality of biphenyl aniline yellow, permanent yellow, indigo, pigment yellow, permanent orange, orange chrome yellow, pigment scarlet, golden light red, scarlet powder, jade lime and carbon black (pigment black) 5-45 parts by weight, one or a plurality of stearate adjuvant, paraffin, coupler, polyethylene wax, brightening agent and brightening agent 8-65 parts by weight, one or a plurality of high-density polyvinyl resin, linear low-density polyvinyl resin, polyacryl resin, ethylene-vinyl acetate copolymer 15-75 parts by weight.

The invention relates to an anti-corrosive paint formula which comprises components in parts as follows: 40 parts of titanium dioxide, 50 parts of glacial acetic acid, 5 parts of organic fluorine epoxy resin, 10 parts of epoxy modified organic silicon liquid resin, 4 parts of ethylene glycol monomethyl ether, 8 parts of dimethyl sulfoxide, 10 parts of zinc phosphate, 10 parts of barium chromate, 6 parts of aluminium triphosphate, 3 parts of diethyl phosphinic acid aluminum, 4 parts of N-methyl-2-pyrrolidone, 1 part of ethanol, 4 parts of polyacrylate, 1 part of alcohol-soluble resin, 10 parts of diacetone alcohol, 8 parts of zinc oxide and 9 parts of toluene diisocyanate. Paint prepared with the formula has bright color and good sun-proof effect, medium chrome yellow in inorganic pigment can be replaced, and the paint is applicable to an exterior wall coating material and is free of heavy metal harm.

The invention discloses a high-gloss aqueous modified polyurethane finish coat. The finish coat comprises the following components in percentage by weight: 40-53% of aqueous polyurethane dispersoid, 15-25% of an epoxy modified acrylic emulsion, 12-16% of medium chrome yellow, 5-10% of nanometer barium sulfate, 0.2-0.3% of an aqueous dispersing agent, 0.1-0.2% of an aqueous foam inhibitor, 0.1-0.2% of an aqueous antifoaming agent, 0.2-0.3% of an aqueous flatting agent, 0.1-0.2% of an aqueous wetting agent, 0.6-1% of a neutralizer, 0.5-1% of hydrated magnesium silicate, 0.2-0.4% of an aqueous rheologic addition agent, 0.3-0.5% of an antimildew disinfectant, 6.8-10.7% of deionized water and 1-2% of a film forming addition agent. The coat disclosed by the invention adopts traditional aqueous polyurethane for modifying epoxy acrylic acids, so that the purposes of obviously strengthening gloss and antiseptic property are realized, and the coat can be widely used for industries of various tower cranes, steel structures, bridges, machinery, machine tools and the like. The product of the coat has the advantages of high drying speed, high hardness, high gloss (wherein the gloss can reach more than 91%), excellent fullness, good weather resistance and good excellent water resistance, and the salt mist resistant property can reach more than 1000 hours.

The invention provides a preparation method of an inorganic and organic composite yellow pigment. The preparation method comprises the following steps: in a preparation process of a C.I. pigment yellow 13 and 83 compound, adding an inorganic mixture of white carbon black/titanium dioxide in a certain proportion to prepare the inorganic and organic composite yellow pigment which takes inorganic matters as a main body. The preparation method comprises the following steps: preparing a coupling component; carrying out a tetra-nitriding reaction; and carrying out a coupled reaction. According to the preparation method provided by the invention, by using the inorganic and organic composite yellow pigment which takes inorganic matters as the main body, the prepared composite yellow pigment more shows characteristics of inorganic matters and has good heat stability and light stability. Compared with the inorganic yellow pigment lead chromate yellow, the prepared composite pigment shows more excellent coloring properties such as high coloring force, brighter color and purer yellow and the like and can become a potential substituent of the yellow inorganic pigment containing toxic heavy metals such as lead chromate yellow.

The invention relates to a chlorinated rubber coating used for a marine environment and a production method. The production method includes the steps of adding modified chlorinated rubber resin, modified hydrogenated bisphenol F-type epoxy resin and epoxidized soybean oil to a mixed solvent composed of dimethylbenzene and solvent oil, adding modified titanium dioxide, feldspar powder, talcum powder, silicon micro-powder, mica powder, phthalocyanine green, chrome yellow, polyamide wax, chlorinated paraffin, a hydroxyl triazine derivative and epoxy chloropropane and the like to the mixed solution, mixing, stirring and grinding the mixed solution to obtain the high-glossiness weather-resistant chlorinated rubber coating used for the marine environment. The marine environment can be uniformly stirred and directly used for coating surfaces. The coating allows construction at -20 DEG C, is excellent in storage stability, anti-ultraviolet light aging property, adhesive force, corrosion resistance of acids, alkalis and salts and sea water scouring resistance, and can be used for corrosion resistance of offshore structures such as ships, ocean platforms, docks and the like.

The invention provides a counterreconnaissance pretending functional inorganic pigment, an inorganic printing coating and a fabric; the counterreconnaissance pretending functional inorganic pigment includes mixtures of any several types of titanium chrome yellow, titanium manganese brown, cobalt blue, titanium cobalt green, titanium nickel yellow, copper eriochrome black or iron eriochrome black; after adding the emulgator, the dispersing agent, the flame retardant, and water or solvent type PU glue and others, the reflectivity of near infrared ray corresponding to the color block required and the lightness L, a, and b values can be obtained; moreover, more metal elements are applied to improve the wave absorbing effect and also improve the fastness , and guarantee no color fading under the ultraviolet irradiation for thousands of hours. The front face of the fabric layer using the coating can be coated with digital camouflage pattern; the opposite face can be coated through the coating; the dual-faced coating can make that the static water pressure resistance index is over double to the fabric in the past; thus the fabric has higher waterproof and wet penetration, and the overall performance is better.

The invention discloses medical rust-removal and antirust paint and a preparation method therefor. The paint is prepared from the following raw materials: styrene, zinc phosphate, phosphoric acid, zinc oxide, zinc chrome yellow, organobentonite, a polyvinyl acetate emulsion, deionized water, ammonium persulfate and aluminum triphosphate. The paint which is applied to medical apparatuses is antirust, the viscosity of the paint is 60-80, the fineness of the paint is 40-60 [mu]m, the flexibility of the paint is 0.2-0.8mm and the adhesive force of the paint is level 1-2; the paint has good antiseptic property, impact resistance within 60-80cm, impact strength of 500-550N/cm, and salt water resistance of not blistering and not falling within 1-3 days; the surface-drying time is 0.1-0.5 hour, the hard-drying time is 8-12 hours and the covering power is 95-115g/cm<2>.