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34results about How to "Strong chelating power" patented technology
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Water-based metal antirust paint and preparation method thereof
InactiveCN105602382AImprove densification performanceImprove shielding effectAnti-corrosive paintsWater basedEmulsion
The invention discloses water-based metal antirust paint. The water-based metal antirust paint is prepared from, by mass, 35-45 parts of pigment, 8-15 parts of filler, 8-15 parts of corrosion inhibitors, 10-20 parts of deionized water, 15-25 parts of silicone acrylic emulsion, 0.1-0.2 part of a dispersing agent, 0.1-0.2 part of a flatting agent, 2-5 parts of an adhesive force promoting agent, 1-3 parts of film-forming aiding agent, 0.1-0.3 part of surfactant OP-10, 0.1-0.2 part of a defoaming agent and 0.05-0.1 part of bacteriacide. The invention further discloses a preparation method of the water-based metal antirust paint. The water-based metal antirust paint solves the problems that water-based metal antirust paint used in the current market is poor in corrosion resistance and adhesive force, slow in drying, poor in early-stage water resistance and high in cost.
Owner:JINAN GUANGDA CASTING MATERIAL CO LTD
Preparation method and application of leaf vegetable nano leaf fertilizer
InactiveCN106747995AVigorousImprove stress resistanceSuperphosphatesAlkali orthophosphate fertiliserNitrogen fertilizerChemistry
The invention discloses a preparation method of a leaf vegetable nano leaf fertilizer. According to the method, raw materials are smashed and decomposed into nano-scale materials through high-temperature stirring, electron beam irradiation and ultrasonic treatment based on lignin containing a net structure and active radicals in papermaking black liquid, and the adsorptive property of the lignin is increased, so that a phosphate fertilizer, a nitrogen fertilizer, a potash fertilizer, imino disuccinate chelated microelements, two conditioners such as rapin and biochemical fulvic acid and nanometer titania are adhered and bonded together to prepare the leaf vegetable nano leaf fertilizer. The preparation technology is simple, low in cost and high in controllability, the prepared leaf vegetable nano leaf fertilizer is scientific in proportioning of the raw materials and high in total nutrient content, the product is mixed with water, the mixture is sprayed and applied onto leaves of leaf vegetables, so that on one hand, nutrients of the leaf fertilizer can be fixed on the leaves, drifting, leaching loss and evaporation of the fertilizer are reduced, on the other hand, nutrient absorption and movement inside the leaves of the leaf vegetable fertilizer can be promoted, and the absorption and utilization rate is high.
Owner:DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD
Stable permeation composite type rust coating and preparation method thereof
ActiveCN105885631AHigh hardnessStrong adhesionAnti-corrosive paintsMetallic material coating processesEpoxyPhosphate ion
The invention discloses stable permeation composite type rust coating and a preparation method thereof. The stable permeation composite type rust coating is formed by mixing epoxy resin E-44, xylene, absolute ethyl alcohol, aluminum triphosphate, zinc phosphate, iron oxide red, zinc molybdate, penetrant epoxy phosphate, a dispersing agent, a defoaming agent and a curing agent. Antirust agents are aluminum triphosphate, zinc phosphate and zinc molybdate. Triphosphate radical ions can have a stronger chelating ability with various metal ions, and a passive film is formed on the surface of a coated object; zinc phosphate and ferric ions have a higher condensation ability, phosphate anions react with iron anodes, a firm protection film with ion phosphate as a main body can be formed, and the compact purification film is insoluble in water, high in hardness and excellent in adhesive force; zinc molybdate can release molybdic acid ions, a composite insoluble substance formed on the surface of steel has an anti-rust effect; in this way, the anti-corrosion performance of the coating is excellent through the synergistic effect of the components.
Owner:SHANDONG UNIV OF SCI & TECH
Heavy metal chelating agent
InactiveCN104961212ASimple preparation processEasy to operateWater contaminantsWater/sewage treatment by flocculation/precipitationOrganic sulfide compoundChemical reaction
The invention belongs to the technical field of sewage disposal, and particularly relates to a heavy metal chelating agent. The heavy metal chelating agent comprises, by weight, 5-15 parts of sodium silicate, 25-35 parts of organic sulfides, 5-15 parts of sodium hydrosulfide, 2-8 parts of sodium aluminate and 32-60 parts of water. The materials have strong ion-exchange capacity and carry out a synergistic effect to show gathering capacity on heavy metal ions; the sediment is carried out rapidly, and after sewage is disposed, the solid-liquid separation is rapid, simple and convenient; the preparation technology is simple, and the operation is easy. The heavy metal chelating agent can effectively react with heavy metal chemically to produce an insoluble substance, and the chelating agent can nearly absorb all kinds of the heavy metal.
Owner:东莞市卓越环保科技有限公司
Waterborne epoxy heavy anti-corrosion coating and preparation method thereof
ActiveCN110607112AIncrease polarityImprove adhesionAnti-corrosive paintsEpoxy resin coatingsEpoxyEmulsion
The invention relates to waterborne epoxy heavy anti-corrosion coating and a preparation method thereof. The invention belongs to the technical field of anticorrosive coating. The coating comprises afirst component and a second component, wherein the first component comprises, by weight, 1 part of a modified waterborne epoxy emulsion, 0.1 to 0.3 part of deionized water, 0.005 to 0.01 part of modified graphene, 1.15 to 1.56 parts of a pigment filler, 0.02 to 0.03 part of a defoaming agent, 0.01 to 0.02 part of a dispersing agent, 0.01 to 0.02 part of a leveling agent, 0.03 to 0.05 part of an anti-flash-rust agent, 0.03 to 0.05 part of a sterilizing agent and 0.01 to 0.05 part of a thickening agent. The coating has good physical and chemical properties, coatings can resist to 1-degree bending without cracks, the impact resistance is 50 cm, the adhesive force is larger than or equal to 10 MPa, and coatings can resist a 5% NaOH solution, a 5% H2SO4 solution and 5% NaCl for 30 days under the normal temperature condition without blistering, cracking and falling off.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2
Low-carbon environment-friendly anticorrosive paint and preparation method thereof
InactiveCN111849296AImprove mechanical propertiesImprove thermal stabilityAntifouling/underwater paintsPaints with biocidesPhytic acidPolypropylene
The invention discloses a low-carbon environment-friendly anticorrosive paint which is prepared from the following raw materials in parts by weight: 25-55 parts of a composite powder, 15-30 parts of organic silicon modified polypropylene resin, 0.5-2 parts of an inorganic filler, 1-3 parts of an organic solvent, 35-45 parts of deionized water, 10-15 parts of modified attapulgite and 0.5-1 part ofa composite antibacterial agent. The invention also discloses a preparation method of the low-carbon environment-friendly anticorrosive paint. Inorganic matters such as graphene oxide, vanadium pentoxide xerogel powder and montmorillonite are used as base materials, the base materials are mixed with organic silicon modified polypropylene resin, and the other auxiliary agents are added to prepare afinished product. According to the present invention, the graphene is subjected to covalent modification, and phytic acid is grafted to the graphene, so that the corrosion ions can be effectively prevented from entering the metal surface, and slowing down of metal corrosion is realized; by selecting the raw materials, the introduction of organic matters is greatly reduced, and the low-carbon environment-friendly anticorrosive paint is environment-friendly and has excellent metal anticorrosive performance.
Owner:杭州吉邦综合服务有限公司
Surface modification ricinus communis fiber and preparation method and application thereof
The invention discloses a surface modification ricinus communis fiber and a preparation method and application thereof. Surface modification ricinus communis is ricinus communis fiber with an epoxy-terminated hyperbranched polymer grafted onto the surface of the ricinus communis fiber, and the epoxy-terminated hyperbranched polymer is obtained by blocking a hydroxy-terminated hyperbranched polymer through an epoxy group blocking agent. The preparation method of the surface modification ricinus communis fiber comprises the following steps that 1, the ricinus communis fiber is subjected to silanization treatment; 2, the hydroxy-terminated hyperbranched polymer is grafted onto the ricinus communis fiber surface through condensation polymerization, the epoxy group blocking agent is adopted for blocking, and the surface modification ricinus communis fiber is obtained. The surface modification ricinus communis fiber is applied to serve as a bisphenol A type epoxy resin toughening and reinforcing agent. Accordingly, the interface bonding capacity and adhesion force of the surface modification ricinus communis fiber and an epoxy resin substrate are excellent, the surface modification ricinus communis fiber is used as the toughening and reinforcing agent of the bisphenol A type epoxy resin, the resin toughness can be improved, and meanwhile the tensile strength, the tensile modulus, the bending strength and the bending modulus can be greatly improved.
Owner:YANCHENG INST OF TECH
Method for inhibiting dysosma versipellis explant from contamination and browning
InactiveCN104585029AReduce browningLarge rhizomeHorticulture methodsPlant tissue cultureThiocarboxylic acidBetaine
The invention discloses a method for inhibiting a dysosma versipellis explant from contamination and browning. The method comprises the following steps: transplanting a wild dysosma versipellis rhizome which is more than five-year old into clean river sand matrix for preculture; soaking a stem growing strongly into N-long-chain thiocarboxylic acid glycine betaine, washing with distilled water, and brushing the dirt on the surface of the explant; treating the explant by use of anion photocatalysis, sterilizing with sodium hypochlorite, washing with sterile water, sucking moisture on the surface by use of aseptic filter paper until the surface is dry, cutting into squares, and soaking in a heavy metal complexing agent; inoculating onto a modified MS medium for dark culture for two weeks; and then performing bright culture. The method can be used of effectively preventing the dysosma versipellis explant from contamination and browning and providing sufficient aseptic explants for the tissue culture research of the medicinal plant-dysosma versipellis, so that the follow-up tissue culture success rate is ensured, the cost is low and the method is suitable for industrial production.
Owner:GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS
Antirust, wear-resistant, and environment-friendly sealing grease and preparation method thereof
InactiveCN107129857AImprove wear resistanceGood abrasion resistanceOther chemical processesLubricant compositionWear resistantTackifier
The invention discloses an antirust, wear-resistant, and environment-friendly sealing grease, which is composed of lithium-based lubricating grease, a tackifier, a corrosion inhibitor, composite calcium phosphate, environment-friendly expanded graphite, and polytetrafluoroethylene. Compared with the prior art, the provided sealing grease contains a corrosion inhibitor and composite calcium phosphate and thus has multiple antirust functions; composite calcium phosphate is slightly dissolved in water under an corrosive environment, has a strong chelating performance on metals, can form a passive coating on the iron surface, has an excellent antirust effect, and is green and environment-friendly; the expanded graphite does not contain sulfur or is low in sulfur, and has a high expanding rate and excellent anticorrosion performance and anti-wear property; different from conventional sealing grease, provided sealing grease has a better anti-rubbing performance and anticorrosion performance; moreover, zinc powder is not needed, the performance of thread grease is not influenced at the same time, the heavy metal pollution to the environment is reduced, the damage to the users is reduced, and the provided sealing grease is environment-friendly.
Owner:江苏海川卓越密封材料有限公司
Efficient chelating dispersant and application method thereof
PendingCN110205844AWill not polluteGood chelating and dispersing effectDyeing processPolyesterAlcohol
The invention discloses an efficient chelating dispersant and an application method thereof. The efficient chelating dispersant is prepared from, by mass, 50-80 parts of modified polyacrylic acid substances, 10-30 parts of organic phosphate and 10-20 parts of alcohol amine substances. The application method of the chelating dispersant includes: (1) in a polyester cotton blend dyeing process, consumption of the chelating dispersant is 0.5-1.5g / L, and the chelating dispersant is added in an initial dyeing stage; (2) in a vat-dye cotton dyeing process, consumption of the chelating dispersant is 0.5-2g / L, and the chelating dispersant is added before adding of an alkaline agent; (3) in a reactive-dye or direct-dye cotton dyeing process, consumption of the chelating dispersant is 0.5-2g / L, and the chelating dispersant is added in an initial dyeing stage; (4) in a reactive-dye dyeing and printing after-soaping or continuous pad dyeing process, consumption of the chelating dispersant is 0.5-1g / L. The efficient chelating dispersant is high in chelating force and dispersion force and great in chelating and dispersion effect.
Owner:湖北尚助化学有限公司
Green disinfectant capable of disinfecting body
PendingCN112741110AContinuous sterilizationEasy to disinfectBiocideFungicidesBiotechnologyBacterial virus
The invention discloses a green disinfectant capable of disinfecting the body, and relates to the technical field of disinfectants. The green disinfectant capable of disinfecting the body is prepared from the following raw materials in percentage by mass: 48-56% of potassium hydrogen persulfate, 4.5-5.6% of anhydrous citric acid, 4.3-5.2% of sulfamic acid, 13.5-16.1% of sodium alkyl benzene sulfonate with the mass fraction of 95%, 1.3-1.8% of table salt, 15.4-18.7% of sodium hexametaphosphate, 0-7.2% of a stable complexing agent, 1-2.5% of an anti-caking agent and 0.3-0.8% of lemon flavor, and is prepared by uniformly mixing the raw materials. The green disinfectant capable of disinfecting the body is good in disinfection effect, not easy to cake, capable of being stably stored for a long time, good in water solubility, green and environment-friendly, does not cause corrosion to the environment, has an efficient killing effect on pathogenic microorganisms such as bacteria, viruses, fungi, mycoplasma and the like, and is an environment-friendly disinfectant which is broad in spectrum, efficient, reliable, lasting, safe and environment-friendly.
Owner:HUNAN GUANGAN ANIMAL HEALTH CO LTD
Bentazone and florasulam synergistic weeding composition and dispersible oil suspending agent thereof
InactiveCN108849870ASynergisticImprove the effect of prevention and controlBiocideAnimal repellantsAdditive ingredientSuspending Agents
The invention discloses a synergistic weeding composition containing bentazone and florasulam. Two active ingredients have the remarkable synergetic effect after compounded. The invention further discloses a bentazone and florasulam synergistic dispersible oil suspending agent and a preparation method thereof. The oil suspending agent is prepared by the following components according to a weight percentage: 1-40% of bentazone, 1-40% of florasulam, 10-20% of an emulgator, 5-20% of a dispersing agent, 1-5% of a wetting agent, 0.1-3% of a stabilizer, 0.5-3% of a thickening agent, 0.01-1% of a defoaming agent, 1-10% of a synergist, and the balance of filler. The above effective ingredients and additives form a high-dispersion stable suspension system in a non-water system medium through shearing and dispersing in a high speed and sanding by a sand mill. The composition has wonderful control efficiency to multiple grass weeds, is high in crop safety, and capable of enlarging a weeding spectrum, and reducing a usage amount of a pesticide.
Owner:HEBEI VEYONG BIO CHEM
Wear-resistant high-adhesive force environmental-friendly corrosion-resistant antifouling paint
InactiveCN105038449AGrowth inhibitionPrevent adhesionRubber derivative coatingsAntifouling/underwater paintsAlkaneEnvironmental resistance
The invention discloses a wear-resistant high-adhesive force environmental-friendly corrosion-resistant antifouling paint. The wear-resistant high-adhesive force environmental-friendly corrosion-resistant antifouling paint comprises, by weight, 40 to 43 parts of acrylic resin, 22 to 26 parts of poly(ester-amine) resin, 17 to 20 parts of chlorinated rubber, 18 to 22 parts of a bioactive material micro-capsule, 6 to 10 parts of glycerol, 2 to 5 parts of a corrosion inhibitor, 1.1 to 1.5 parts of a dispersant, 1.4 to 1.7 parts of a curing agent, 2.2 to 2.5 parts of a film forming auxiliary agent, 0.8 to 1.2 parts of a leveling agent, 0.5 to 0.8 part of a mould inhibitor, 20 to 23 parts of carbon nanotube, 5 to 8 parts of aluminium triphosphate, 6 to 9 parts of aedelforsite powder, 11 to 13 parts of kaolin, 7 to 10 parts of a pigment, and 1.1 to 1.5 parts of single alkane oxygroup type titanate coupling agent. The wear-resistant high-adhesive force environmental-friendly corrosion-resistant antifouling paint possesses excellent wear resistance, high adhesive force, and excellent corrosion resistance and environmental protection performance.
Owner:WUHU SHUANGBAO BUILDING MATERIAL
Environment heavy metal capture agent
InactiveCN106186114AStrong chelating powerImprove the capture effectWater contaminantsWater/sewage treatment by flocculation/precipitationChemical reactionSodium hydrosulfide
The invention provides an environment heavy metal capture agent. The environment heavy metal capture agent is prepared from, by weight, 2-5 parts of an organic capture agent, 1-5 parts of an auxiliary, 5-13 parts of an accelerant, 8-16 parts of sodium silicate, 10-14 parts of sodium hydrosulfide, 2-7 parts of trithio-lamictal trisodium, 1-6 parts of a sulfur compound, 8-14 parts of carbon disulfide, 2-3 parts of ethylendiamine, 2-7 parts of sodium tripolyphosphate and 15-58 parts of distilled water. Compared with the prior art, the environment heavy metal capture agent has the advantages that by means of the synergistic effect among the materials, a very high capturing and collecting capability on heavy metal ions is achieved, settling is quick, and solid and liquid separation is quick, easy and convenient after wastewater is treated; the capture agent has powerful chelating force and can be effectively subjected to a chemical reaction with heavy metal to generate insoluble substances, flocculation is thick and large, settling is fast, posttreatment is easy, stability and nontoxicity are achieved, and secondary environment pollution is avoided; the environment heavy metal capture agent can be widely used for treating various kinds of wastewater.
Owner:夏百庆
Walnut oil microcapsule and preparation method thereof
ActiveCN114376230AImprove solubilityImproves antioxidant activityLipidic food ingredientsFood shapingNutritive valuesSucrose
The invention discloses a walnut oil microcapsule and a preparation method thereof, the walnut oil microcapsule is prepared by using walnut oil, sucrose fatty acid ester, sodium stearoyl lactylate, modified walnut protein isolate and corn syrup as raw materials through microcapsule emulsification and spray drying; the modified walnut protein isolate is obtained by performing glycosylation reaction modification on maltodextrin and walnut protein isolate; the ratio of the raw materials is as follows: 25-28% of modified walnut protein isolate, 20-23% of corn syrup, 25-32% of walnut oil, 0.5-3% of sucrose fatty acid ester, 0.5-3% of sodium stearoyl lactylate and the balance of water. The glycosylated and modified walnut protein is applied to the microcapsule embedding of the walnut oil, so that the oxidative deterioration of the walnut oil is effectively delayed, and the storage stability of the walnut oil is improved. The walnut oil provided by the invention can provide two nutritional ingredients of walnut protein and walnut oil at the same time, and the microcapsule is high in nutritional value and can be used as non-dairy creamer to be applied to a food system.
Owner:YUNNAN AGRICULTURAL UNIVERSITY
Preparation method of chelating agent
ActiveCN106478871AGood flocculation and sedimentation effectStrong chelating powerOther chemical processesWater contaminantsIonCarbon disulfide
The invention relates to a preparation method of a chelating agent. The preparation method comprises steps as follows: 12-21 parts of maleimide is dissolved with 35 parts of deionized water, 0.2 parts of sodium persulfate is dissolved with 25 parts of deionized water, and solutions are formed for standby application; 24-36 parts of maleic anhydride and 126-184 parts of deionized water are added to a reactor, stirred, dissolved and heated to 72 DEG C; the maleimide and sodium persulfate aqueous solutions and 18-27 parts of acrylic acid are dropwise added to the reactor within 2h, a mixed solution is subjected to a heat preservation reaction for 1h at the temperature of 78 DEG C after dropwise addition; the temperature of the reactor is reduced to 30 DEG C, 5 parts of sodium hydroxide and 10 parts of carbon disulfide are added firstly, a mixture reacts for 3 h and is filtered, and the chelating agent is obtained. The chelating agent contains stronger polar groups and has good removing performance on heavy metal ions.
Owner:绍兴市柯桥区科创高新技术开发中心
Water-based steel structure anticorrosion aqueous dispersion coating and preparation method and application thereof
The invention provides a water-based steel structure anticorrosion aqueous dispersion coating and a preparation method and application thereof. The water-based steel structure anticorrosion aqueous dispersion coating comprises components: deionized water, an auxiliary, an anti-rust agent, a anti-rust pigment, a pigment filler, modified nano aqueous dispersion polymer emulsion, color paste, antifoaming agent and the like. The water-based steel structure anticorrosion aqueous dispersion coating provided by the invention is non-toxic, tasteless and odorless, has no irritation, is high in stability, is less affected by the construction environment, can adapt to construction of different special-shaped steel structures, and can adapt to different forms of coating equipment; the coating can be applied on a structure with a low surface treatment level St1, a moisture base surface, a slightly rust layer and a structural fundamental plane with a firm old coating, is high in coating adhesion and good in anti-rust performance, has excellent salt fog resistance and weather resistance, reaches or exceeds main technical performance indexes of a general solvent-type anticorrosion coating, and has a long-acting service life.
Owner:上海新健利新材料科技有限公司
Coal mining water treatment chemical and coal mining water treatment method thereof
InactiveCN109336266ANo pollutionNo harmWaste water treatment from quariesSpecific water treatment objectivesTreatment effectHexamethylenetetramine
The invention belongs to the technical field of coal mining water treatment. In order to solve the problem that the treatment effect is affected because the current large-sized coal mine gas pump is prone to scale formation and corrosion phenomena, the invention provides a coal mining water treatment chemical and a coal mining water treatment method thereof. The coal mining water treatment chemical is prepared from silver stearyl imidazolinyl acetate, potassium ferrate, sodium dihydroxyethyl glycinate, sodium 2-oxyacetic malonate, potassium molybdate, 2-propargylmercaptobenzimidazole, sodium hexamethylenetetramine acetate and melamine formaldehyde resin proportionally. The coal mining water treatment chemical contains a substance with good sterilizing, anticorrosive, corrosion-inhibiting,scale-inhibiting and scale-removing effects, forms a chelate easily soluble in water, and has good scale-inhibiting and scale-removing effects; the coal mining water treatment chemical has the stainless steel container corrosion inhibiting rate of 95% or above; the coal mining water treatment chemical does not cause any pollution and damage to the environment. A water treatment device uses three layers of active aluminum oxide, specially-made biomass activated carbon and ceramic filter granules for combined filtration, and can achieve a high-quality purification effect.
Owner:朱鹏宇
Water-based auto parts anti-corrosion coating and preparation method thereof
ActiveCN107216802BImprove thermal stabilityStrong chelating powerAnti-corrosive paintsPolyurea/polyurethane coatingsPhosphoric acidResin coating
Owner:石家庄市油漆厂
Hyperbranched polymer, preparation method and application thereof, and washing product
PendingCN113698549AStrong chelating powerGood dispersionOrganic detergent compounding agentsPolymer scienceFunctional monomer
The invention discloses a hyperbranched polymer, a preparation method and application thereof, and a washing product. The preparation method of the hyperbranched polymer comprises the following steps: S1, in the presence of protective gas and under the catalytic action of a catalyst, acrylic ester, trimethylolpropane and allylamine react to generate a hyperbranched functional monomer A, and the catalyst is p-toluene sulfonic acid and / or toluene sulfonate, wherein the reaction temperature is 70-100 DEG C; s2, in the presence of an initiator and a reducing agent, polymerization reaction is carried out on the mixed monomer dispersed in the water phase, thereby obtaining the product, wherein the mixed monomer comprises a hyperbranched functional monomer A, unsaturated polyether and acrylic acid, and the temperature of the polymerization reaction is 60-90 DEG C. The hyperbranched polymer provided by the invention has the advantages of strong chelating force, dispersing force and alkali buffering force, better washing assisting performance, green and environment-friendly preparation process, cheap and easily available raw materials, no use of organic solvents, short process flow, low equipment investment and low production cost.
Owner:SHANGHAI CHANGFA NEW MATERIAL CO LTD
Method for preparing slime dispersant applicable to primary slime and secondary slime
Owner:INST OF MULTIPURPOSE UTILIZATION OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
Water-based steel structure anti-corrosion aqueous dispersion coating and its preparation method and application
ActiveCN106995510BNon-irritatingImprove stabilityAnti-corrosive paintsWeather resistanceSolvent based
Owner:上海新健利新材料科技有限公司
Water-based paint applied to galvanized pipes and preparation method of water-based paint
InactiveCN112608648AHigh hardnessGood weather resistanceAnti-corrosive paintsEpoxy resin coatingsEpoxyWeather resistance
The invention relates to water-based paint applied to galvanized pipes and a preparation method of the water-based paint. The water-based paint comprises water-based acrylic resin, acrylic acid modified water-based epoxy ester resin, water, a dispersing agent, a wetting agent, a leveling agent, an antifoaming agent, aluminum triphosphate, calcium carbonate, mica powder, a bactericide, a thickener, a coalescing agent, an adhesion promoter, an anti-flash-rust agent and a pH regulator. Compared with the prior art, the water-based paint has the beneficial effects of strong adhesive force and high weather resistance of a paint film when being used for coating a galvanized pipe.
Owner:广东大中三联科技有限公司
Modified graphene oxide anticorrosion coating and preparation method thereof
ActiveCN113292902BImprove adhesionImprove impact resistanceAnti-corrosive paintsEpoxy resin coatingsGraphene nanocompositesFirming agent
Owner:CHANGZHOU UNIV
Chemical fiber dyeing process with ultra-low sewage discharge
PendingCN112501927AReduce consumptionSolve pollutionWater aerationTreatment involving filtrationFiberWastewater
The invention discloses a chemical fiber dyeing process with ultra-low sewage discharge, and belongs to an ultra-low discharge dyeing and finishing process. The chemical fiber dyeing process comprisesthree steps of dyeing, post-treatment and sewage quality-based treatment, adopts a one-step one-bath dyeing process, is high in efficiency and low in cost, realizes quality-based treatment and recycling of production wastewater, and reduces consumption of resource water; and the total water consumption is reduced by 70-75% compared with the traditional process, the highest water circulation utilization rate can reach 80%, ultra-low sewage discharge is realized, and the problem of environmental pollution caused by too high sewage COD is solved.
Owner:杭州众智纺织科技有限责任公司
Method for synthesis of phenylacetic acid by carbonylation of benzyl chloride
InactiveCN103193619BThe synthesis process is simpleHigh catalytic activityOrganic-compounds/hydrides/coordination-complexes catalystsCarboxylic preparation from carbon monoxide reactionPhenylacetic acidReaction temperature
Owner:NORTHWEST UNIV +1
Stable penetration composite rust paint and preparation method thereof
ActiveCN105885631BHigh hardnessStrong adhesionAnti-corrosive paintsMetallic material coating processesEpoxyPhosphate ion
Owner:SHANDONG UNIV OF SCI & TECH
Preparation method of rust conversion agent
PendingCN113481500AStrong chelating powerPrevent oxidation and rustMetallic material coating processesOrganic acidEmulsion
The invention discloses a preparation method of a rust conversion agent. The preparation method comprises the following steps: 1, adding 6-30 parts by weight of water and 6-30 parts by weight of ethanol into a mixing barrel, and uniformly mixing and stirring; 2, adding 1-5 parts by weight of tannic acid, and stirring while adding until solids are completely dissolved; 3, sequentially adding 0.3-1.5 parts by weight of isopropanol and 1-5 parts by weight of phytic acid, and continuously stirring until the solution is clear to prepare a solution A; and 4, adding 0.2-1 part by weight of flavonoid substances, 0.2-1 part by weight of phytic acid and 0.2-1 part by weight of biological organic acid into 6-30 parts by weight of Chinese lacquer emulsion, and fully stirring and mixing the materials to prepare a solution B. The rust conversion agent is high in invasion performance, permeates into the deep part of a rust layer and is chelated with iron rust, a paint film and metal crystal grains, so that a uniform and compact passivation reaction film and a cross-linked coating film which are extremely high in chelating force are formed; and further oxidation corrosion is prevented.
Owner:合肥蓝海新材料有限公司
A kind of surface modified castor fiber and its preparation method and application
Owner:YANCHENG INST OF TECH
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