104results about How to "Not corrosive" patented technology

The invention provides a synergistic accelerant suitable for SNCR (selective non-catalytic reduction) denitration and application of the synergistic accelerant. The synergistic accelerant comprises the following components in parts by weight: 2-80 parts of an activating agent, the activating agent is selected from at least one of sodium glycinate, sodium glutamate, sodium iminodiacetate, sodium aspartate, sodium aminopropionate, sodium aspartate and potassium aspartate; 3-12 parts of a catalyst, wherein the catalyst is selected from soluble heteropolyacid; 1-10 parts of a catalytic promoter; the catalytic promoter is selected from at least one of soluble tungstate and molybdate. A trace amount of synergistic accelerant is added into a common SNCR denitration solution, so that the reaction speed of NOx and reducing agents such as ammonia or urea can be increased, a temperature window of SNCR reaction moves downwards, the application range of the traditional SNCR technology is expanded, the removal efficiency of NOx is improved, and a low-cost and high-efficiency method is provided for pollution abatement of nitric oxide in waste gas.

The invention provides a spodumene composite collecting agent, a preparation method of the spodumene composite collecting agent and a spodumene ore flotation method. The spodumene composite collecting agent is prepared from, by mass, 30%-50% of sulfonic acid compounds, 20%-35% of amine compounds, 20%-38% of fatty acid or fatty acid salt compounds, 4%-6.5% of ether compounds, 1%-6% of alcohol compounds and 3%-5% of kerosene. The spodumene composite collecting agent is formed by mixing a sulfonic acid compound, an amine compound, a fatty acid or fatty acid salt compound, an ether compound, an alcohol compound and kerosene according to a preset proportion, and the spodumene flotation agent is moderate in viscosity and easy to prepare. And alcohol and kerosene are added into the spodumene composite collecting agent, some insoluble substances are easy to dissolve, and therefore the recovery rate of metal lithium in spodumene flotation can be increased. The spodumene composite collecting agent is low in cost, good in selectivity, high in collecting capacity and free of corrosion effect on equipment.

The invention discloses an environment-friendly hydrate compound inhibitor as well as a preparation method and application thereof, and relates to the technical field of hydrates. The compound inhibitor is prepared from potassium acetate serving as a main inhibitor, glycine serving as an auxiliary agent and water, can synergistically achieve the inhibition effect on hydrate generation in the two aspects of thermodynamics and dynamics, and has a good inhibition effect on hydrate formation and blocking. Meanwhile, the compound inhibitor has the characteristics of low use cost, no toxicity, no corrosion and environmental friendliness, has wide application prospects in the field of oil and gas transportation, and is easy to popularize and use.

The invention discloses a direct contact type mineral oil dielectric cooling liquid and a preparation method thereof, the cooling liquid comprises the following raw materials: mineral type naphthenic base white oil, an antioxidant and a light stabilizer, aromatic hydrocarbon of the mineral type naphthenic base white oil is completely hydrogenated and saturated and does not contain corrosive sulfur, nitrogen, oxygen and other heteroatoms, and the refined naphthenic base oil has good environmental protection property and good corrosion resistance. And moreover, the problem that the cable becomes hard after being soaked in the cooling liquid is solved, the compatibility with other materials is good, and the cooling liquid can have good compatibility with materials of a liquid cooling system without adding cable compatibilizers such as oily epoxy resin and a dispersing agent. The mineral oil type dielectric cooling liquid disclosed by the invention is colorless, transparent, good in environmental protection property, good in flowing property, fireproof safety performance, heat-conducting property, insulating property and oxidation stability, free of acidic substances and corrosion, less in water absorption in a use process, good in stability, excellent in compatibility with IT equipment materials, power lines and network cables, and good in corrosion resistance. And yellowing due to light and heat is not easily caused.

The invention discloses a novel europium-cerium flow battery electrolyte and a preparation method thereof, and belongs to the technical field of flow battery energy storage. The theoretical voltage of the novel europium-cerium flow battery is 1.9 V, and the novel europium-cerium flow battery has higher energy density and power density. According to the synthesis strategy, a chelating agent is added into a solution containing europium or cerium, the molecular size of the formed chelate is large, and cross contamination caused by active ion transmembrane is avoided. The chelating agent can stabilize the reduction state of metal ions and slow down the oxidation reaction between the electrolyte and oxygen. The electrolyte is low in cost and suitable for being used in a neutral environment, europium and cerium are rare earth metals, have rich resource reserves, a complete industrial chain, advanced technical accumulation and policy support of the government in China, are matched with a chelating agent to improve oxidation-reduction kinetics, can be applied to a photovoltaic energy storage system on a large scale, and has a wide application prospect. Wide application prospects are also realized in the aspect of novel power automobiles.

Amide conductive lubricating grease with low friction and low contact resistance belongs to the technical field of conductive lubricating grease, the conductive lubricating grease comprises basic conductive lubricating grease and composite conductive lubricating grease, the basic conductive lubricating grease is formed by mixing base oil and a thickening agent, and the composite conductive lubricating grease is formed by mixing base oil, a thickening agent and an additive; the thickening agent is synthesized by carrying out amidation reaction on fatty acids and amines according to a certain proportion. The fatty acid selected by the thickening agent is a natural compound, naturally exists in animal and plant grease and is free of environmental pollution, and the composite conductive lubricating grease prepared on the basis of the fatty acid has no corrosion to a friction pair under an application working condition. The basic conductive lubricating grease and the composite conductive lubricating grease prepared by the invention can keep low friction coefficient and low contact resistance under a current-carrying condition, and have relatively good load change resistance, current change resistance and frequency change resistance. The preparation method is simple, low in cost and beneficial to large-scale production.

The invention discloses a special composition for resisting superficial fungal bacterial infection and a preparation method thereof. The composition mainly comprises an antibacterial agent, a synergist, a repairing agent and a solubilizer. The component of the antibacterial agent is epsilon-polylysine hydrochloride; the synergist is prepared from oxymatrine, hexanediol, caprylyl glycol and sodium diacetate; the repairing agent comprises the following components: glycerol, urea, allantoin and dipotassium glycyrrhizinate; the solubilizer is prepared from the following components: triton X-100, polyvinylpyrrolidone, sodium pyrrolidone carboxylate, sodium pyrithione and polyvinyl alcohol. According to the invention, food-grade and traditional Chinese medicine-derived antibacterial components are used, so that the cleaning agent is free of hormones and irritant substances, is non-corrosive and is friendly to human bodies. Meanwhile, the composition disclosed by the invention is in a water-soluble and spray form, is convenient to use, can soften cutin and dead skin, has good permeability, continuously plays a role in killing fungi and bacteria, and achieves the purpose of treating the root causes.

The invention belongs to the technical field of low-melting-point alloys, and provides a low-melting-point gallium-based liquid alloy and a preparation method and application thereof. The preparation raw materials of the gallium-based liquid alloy comprise gallium, indium, tin, zinc, bismuth, antimony, lead and rare earth metal with specific mass content. The rare earth metal comprises one or two of lanthanum, cerium and neodymium. A trace amount of one or two of lanthanum, cerium and neodymium is added into the gallium-based alloy, so that the purity of the alloy can be improved, the viscosity can be reduced, and the surface tension can be adjusted; by adjusting the formula of the alloy, the smelting time is shortened in the alloy smelting process stage, the efficiency is improved, the alloy cost is reduced, the alloy is more uniform macroscopically, the low-temperature stability of the alloy is further improved, and the alloy can be kept in a stable liquid state at the low temperature even 10 DEG C below zero and better meet the special climate requirements.

The invention discloses a hydroxamic acid compound, a preparation method, a flotation agent and a spodumene flotation method, and provides the flotation agent prepared on the basis of the hydroxamic acid compound and the flotation method for conducting flotation beneficiation on spodumene on the basis of the flotation agent. Based on the hydroxamic acid compound and the flotation method, the problems that a spodumene flotation collecting agent is single in agent, low in selectivity, not resistant to low temperature, high in foam stability and the like can be solved, and the hydroxamic acid compound can replace anion collecting agents such as sodium oleate and naphthenic soap.

The tooth whitening gel preparation machine is characterized in that the tooth whitening gel preparation machine comprises an activation reaction kettle, and the activation reaction kettle comprises an activation reaction kettle electrode driving plate unit, an activation reaction kettle electrode, a liquid inlet and outlet unit, a gas inlet and outlet unit and a liquid activation pool; the activation reaction kettle electrode driving plate unit is positioned at the upper part of the activation reaction kettle electrode; the liquid activation pool is positioned at the lower part of the activation reaction kettle electrode; and the liquid activation pool and the activation reaction kettle electrode form a closed cavity. The hydrogen peroxide liquid prepared by the invention not only has high oxidation activity, but also is mild, non-irritant and non-corrosive.

The invention belongs to the technical field of azeotropic distillation and dehydration of isopropanol, particularly relates to an azeotropic distillation and dehydration method of industrial-grade isopropanol, and aims to solve the problems that the energy consumption of separation of isopropanol and solvents is high, the energy consumption is low and the like due to the fact that solvents such as benzene and cyclohexane are adopted for azeotropic distillation and dehydration in the conventional isopropanol dehydration process, but the boiling points of benzene and cyclohexane are close to those of isopropanol. In order to solve the problems that when diethyl ether is used as an azeotropic agent, the solvent is easily enriched at the tower top to form potential safety hazards, and when the solvents are used for azeotropic distillation, the requirements of electronic chemicals cannot be met, the following scheme is provided: the method comprises the following steps: S1, adding an industrial-grade isopropanol raw material into an azeotropic distillation tower; the azeotropic dehydrating agent disclosed by the invention is small in boiling point, high in ignition point, non-corrosive, low in price, good in safety and low in separation energy consumption, and has excellent application value and application prospect in industrial production and experiments, the used device is simple and easy to operate, the yield is high, and automatic production can be realized.

The invention belongs to the technical field of agricultural cultivation, and particularly relates to a method for inducing industrial cannabis sativa to generate female seeds through an inducer. The method comprises the following steps: (1) preparing an inducer mixed solution; the concentration of the nano-silver particles in the inducer mixed solution is 150 mg / L to 200 mg / L, the concentration of the gibberellin is 80 mg / L to 100 mg / L, and the concentration of the surfactant is 500 mg / L to 700 mg / L; (2) selecting industrial cannabis sativa which is about 10-15 days in the flowering period and is confirmed to be female plants, spraying the whole female plants of the industrial cannabis sativa in a mist form by using the inducer mixed solution in the near evening, avoiding stems, and preferably, spraying once every 2-3 days, spraying twice in total, and meanwhile, changing the illumination time, so that the female plants of the industrial cannabis sativa are obtained. The obtained industrial hemp seeds are all female. The method disclosed by the invention is high in all-female induction rate and good in stability.

The invention discloses a preparation method of a BAW device based on a novel sacrificial layer technology, and the preparation method employs ZnO as the material of a sacrificial layer, employs a diluted hydrochloric acid solution as an etchant solution, can prevent the diluted hydrochloric acid solution from corroding an insulating layer and a dielectric layer while completely corroding ZnO, and obtains a high-performance BAW device. And meanwhile, on-chip integration with other passive devices is realized. According to the invention, ZnO is adopted as the sacrificial layer, and the sacrificial layer has the same wurtzite structure as the piezoelectric layer, so that the sacrificial layer can be used for inducing grain arrangement of the first electrode of the piezoelectric oscillation stack, and preferred orientation growth of the first electrode film is facilitated, so that preferred orientation growth of the piezoelectric layer film is further realized, and the piezoelectric layer film has relatively good piezoelectric performance. According to the invention, SiO2 is used as a passivation protection layer and an insulating layer, so that the function of the passivation protection layer and the insulating layer is achieved, and the function of temperature compensation can be additionally realized at the same time.

The invention provides a composition for treating nerve headache and a preparation method thereof, and belongs to the technical field of medicines. The preparation method comprises the following steps: carrying out steam explosion treatment on traditional Chinese medicine powder, adding the traditional Chinese medicine powder into saline water, decocting, filtering, standing filtrate to separate out a hydrochloric acid extract, adding filter residues into ethanol, adsorbing by a magnetic adsorbent, separating by a magnet, eluting, desorbing, recovering an eluent to obtain an alcohol extract, mixing and grinding the alcohol extract, the hydrochloric acid extract and flunarizine hydrochloride / nimodipine eutectic, and filling capsules with the alcohol extract and the flunarizine hydrochloride / nimodipine eutectic. The composition for treating the nerve headache is prepared. The traditional Chinese medicine composition treats neuropathic migraine through a method of combining traditional Chinese medicine and western medicine, treats both symptoms and root causes, and is good in effect and quick and lasting in effect.

The present application belongs to the technical field of cleaning products, and particularly relates to a high-temperature oil stain removing stove cleaner as well as a preparation method and application thereof. The high-temperature oil stain removing stove cleaner provided by the present application comprises the following components and mass fractions: 11-33 parts of an alkaline additive, 1-2 parts of hydroxyethylidene diphosphonic acid, 3-6 parts of a non-ionic surfactant, 4-8 parts of a solvent, 1-3 parts of a solubilizer, 1-3 parts of sodium xylene sulfonate, and 45-79 parts of water; the solvent comprises ethylene glycol monobutyl ether and diethylene glycol ethyl ether. The high-temperature oil stain removing stove cleaner provided by the present application has the advantages of simple cleaning method, high-temperature oil removing effect, good stain removing and oil scale removing effect on commercial kitchen utensils, high safety, no corrosion to metal, simple raw material composition, and no need to add a defoaming agent.

The invention belongs to the technical field of sealants, and discloses a low-modulus high-elongation antifouling weather-resistant sealant, a preparation method and application thereof, the low-modulus high-elongation antifouling weather-resistant sealant comprises the following raw materials by weight: 100 parts of alpha, omega-dihydroxy polysiloxane, 80-200 parts of an inorganic filler, 10-30 parts of a cross-linking agent, 1-4 parts of a coupling agent, and 2-10 parts of a titanate vulcanizing agent; wherein the inorganic filler comprises active calcium carbonate and modified talcum powder; the modified talcum powder is prepared by sequentially carrying out layered stripping and modification treatment on talcum powder. The low-modulus and high-elongation antifouling sealant provided by the invention can be well suitable for joint sealing during repair of ancient buildings, and meanwhile, the product can also be extended to the field of sealing of other low-modulus antifouling buildings with the same requirements, and has high economic value.

The invention discloses a method for synthesizing a cefvimicin mother nucleus by an enzymic method, which belongs to the technical field of medicine synthesis, and comprises two working sections: 1, removing a carboxyl protecting group from a double-protection mother nucleus Sm to obtain an aqueous solution of a salt of an intermediate A; and 2, removing an amino protecting group from the intermediate A by an enzymic method to obtain the cefvimicin mother nucleus. The process for preparing the cefvimicin mother nucleus is green and environment-friendly, does not have harsh conditions such as no water, no oxygen, ultralow temperature and the like, does not generate substances with strong corrosivity, is friendly to production equipment, is easy to recycle a waste solvent, and has low wastewater treatment requirements.

The invention provides a method for synergistically preparing 3, 4-dihydro-2H-benzo [b] [1, 4] thiazine through monopersulfate, and belongs to the technical field of heterocyclic compounds. In the presence of a mixed solvent, a 2-N-benzenesulfonyl substituted phenylmethyl sulfide derivative and a halide MX are used as raw materials, and the (E)-2-(halogenated methylene)-4-p-toluenesulfonyl-3, 4-dihydro-2H-benzo [b] [1, 4] thiazine is prepared through catalysis of a catalyst monopersulfate at the reaction temperature of not more than 80 DEG C. The preparation method comprises the following steps of: preparing the (E)-2-(halogenated methylene)-4-p-toluenesulfonyl-3, 4-dihydro-2H-benzo [b] [1, 4] thiazine, the method has the advantages of simple preparation steps, mild reaction conditions, environmental protection, high product yield, high stereoselectivity, simple composition of raw materials and auxiliary materials participating in the reaction, low price, and easy obtaining, and reduces the synthesis cost.

The invention discloses a composite deodorizing agent and a preparation method thereof, the composite deodorizing agent is composed of the following components: a plant extraction component, the plant extraction component comprises a tea extract, a ginger extract, an oak leaf extract, a lavender extract, a licorice extract, a green persimmon extract, a pine bamboo extract and a schizonepeta extract; the microbial component comprises a proteolytic enzyme, an aldehyde hunting factor and nano diatomite; the auxiliaries comprise a stabilizer, titanium dioxide with a topological structure, syringol, a fermented rice product, an odor modifier, a chelating agent, an antioxidant, a plant preservative and a solvent. The deodorization effect of plants and microorganisms can be effectively integrated, the deodorization capacity after compounding is improved, and the safe and environment-friendly deodorization process is achieved.

An ultrasonic cleaning device for aluminum alloy wheels includes two cleaning tanks, I and II, arranged horizontally side by side. Each tank includes a body. A support plate for placing the aluminum alloy wheel is installed in the lower part of the tank body. The support plate is horizontally positioned and has water filter holes. A support shaft is vertically installed through the bottom wall of the tank body. A horizontally positioned support rod is installed on the top of the support shaft. Several ultrasonic transducers are mounted on the support rod. A drive device is installed on the outer wall of the tank body to drive the support shaft and the ultrasonic transducers to rotate and adjust their positions via the support rod. A rotary dynamic seal is installed at the junction of the support shaft and the tank body. This device is easy to operate, highly efficient in cleaning, and can thoroughly clean all parts of the alloy wheel using ultrasonic waves, removing impurities without dead angles. The process is gentle and does not damage the appearance or performance of the wheel, helping to ensure the product quality of the aluminum alloy wheel.

The invention discloses a special cleaning agent for a windshield of a vehicle body as well as a preparation method and application of the special cleaning agent. The cleaning agent comprises the following components in parts by weight: 20-25 parts of an emulsifier, 10-15 parts of a builder, 5-8 parts of a penetrant, 5-10 parts of a corrosion inhibitor and 50-65 parts of a solvent, wherein the emulsifying agent is selected from at least one of fatty alcohol polyoxyethylene 10 ether, isomeric alcohol polyoxyethylene ether and methyl stearate sodium sulfonate; the builder is selected from at least one of glycerol, coco fatty acid diethanol amide and sulfo-imidazoline betaine; the penetrant is selected from at least one of tetrasiloxane, isooctanol polyoxyethylene ether phosphate and alkylphenol polyoxyethylene ether; the corrosion inhibitor is selected from at least one of glycerol, sodium polyacrylate, benzotriazole, sodium tripolyphosphate and sodium gluconate. The cleaning agent has the advantages of being good in cleaning force, free of flash points, incombustible, free of corrosion to rubber base materials and the like.

The invention discloses a coal flame retardant, and relates to the technical field of flame retardants, the coal flame retardant comprises the following components by weight: 2.2-6.5 parts of a water-soluble flame retardant, 8.2-11.2 parts of a surfactant, 10-15 parts of a penetrant, 5-10 parts of a curing agent, 0.5-1.5 parts of a water storage thickener, 4.5-6.5 parts of a stabilizer, 4.5-6 parts of an antifreeze agent, and 65.1-43.3 parts of deionized water; the technical effects of improving the flame-retardant effect and reducing environmental pollution can be achieved.

The invention relates to a synthesis method and application of a double-layer thermochromic deformation hydrogel, according to the double-layer thermochromic deformation hydrogel, CMC is adopted to perform mechanical enhancement on original PNIPAm, LAP is adopted to perform photo-initiation on a monomer, and the price of CMC and LAP is far lower than that of functionalized silicon dioxide nanoparticles and AIBA in the prior art under the same usage amount. Meanwhile, drugs used in the process are free of volatility and corrosivity, and the safety degree is higher than that of acrylic monomers used in the prior art. Besides, the use temperature of a hydrogel device in the prior art is 60 DEG C and is high, while the double-layer temperature-sensitive hydrogel in the invention can be curled only at 40 DEG C, so that the hydrogel has more advantages in temperature. By adding CMC, the volume change of the hydrogel in the heating process is remarkably reduced, meanwhile, the mechanical property of the hydrogel is greatly improved, the mechanical property of the hydrogel is further improved through impregnation of zirconium ions, and the hydrogel has a wider application scene.

The present invention discloses a CO 2 A method for catalyzing the hydrolysis of waste PET polyester involves the comprehensive utilization of waste resources. The method uses high-pressure CO 2 Gas is used as a catalyst for the hydrolysis of waste PET polyester. 2 Carbonic acid is formed with water. After the reaction is completed, the carbonic acid is regenerated into CO 2 The gas is recycled, and the reaction obtains pure terephthalic acid (TPA) crystals and ethylene glycol (EG) aqueous solution, thereby realizing resource utilization of waste PET. The products of the method of the present invention are terephthalic acid and ethylene glycol aqueous solution. The present invention can be used for depolymerization and upgrading of waste PET polyester materials, and the obtained raw material monomer terephthalic acid can be used for recycling PET to realize system closed loop, and the ethylene glycol aqueous solution is used in the field of wastewater biological treatment as an external carbon source. In addition, the catalyst is cheap and easy to obtain, the catalyst has high catalytic efficiency in the reaction, is easy to recover, can be reused, and effectively reduces costs.

The utility model discloses an air suction cooling device based on low-temperature heat conduction oil, which is connected to a compressor inlet of a cooled main system, and comprises an air suction cooling heat exchanger connected between an evaporator outlet and a compressor inlet of the cooled main system, filled with gaseous main refrigerant and used for exchanging heat with main refrigerant of the cooled main system; heat of the main refrigerant is absorbed, so that the temperature of the main refrigerant is reduced; the driving equipment is connected between the gas cooling heat exchanger and the refrigerating unit evaporator and is used for driving the low-temperature heat-conducting oil to circulate in the pipeline; and an outlet of the refrigerating unit evaporator is connected with a pipeline electric heater for assuming the low-temperature heat-conducting oil to a set temperature. Compared with the prior art, the heat exchanger has no corrosion to a system basically, still has lower viscosity and flowability at low temperature, also has good thermal stability and thermal conductivity, not only can prolong the service life of equipment, but also can improve the heat exchange efficiency of the equipment.

The invention provides a method for synergistically preparing 3, 4-dihydro-2H-benzo [b] [1, 4] thiazine-1-oxide through monopersulfate, and belongs to the technical field of heterocyclic compounds. In the presence of an alcohol solvent, a 2-N-benzenesulfonyl substituted phenylmethyl sulfide derivative and a halide MX are used as raw materials, and the (R, E)-2-(halogenated methylene)-4-p-toluenesulfonyl-3, 4-dihydro-2H-benzo [b] [1, 4] thiazine-1-oxide with a determined spatial configuration is prepared through a catalytic reaction of a catalyst monopersulfate. The method has the advantages of simple preparation steps, mild reaction conditions, environmental protection, high product yield, high stereoselectivity, simple composition of raw materials and auxiliary materials participating in the reaction, low price, and easy obtaining, and reduces the synthesis cost.

The invention discloses an online polishing and curling integrated device and process for a magnesium alloy plate strip. The device is located between a finish rolling mill and a crimping machine and comprises a polishing groove body, a grading polishing roller set arranged above the groove body, a tension control system and a constant tension crimping mechanism. Special weak acid polishing liquid is supplied to the polishing area through the spraying system, mechanical-chemical collaborative polishing is achieved under the spraying wetting condition, and the problems caused by roller body immersion are avoided. The tension system performs hierarchical closed-loop control according to plate thickness, and the crimping mechanism is linked to keep tension constant. The process comprises online collaborative polishing and optional electrolytic polishing. Polishing and curling aiming at the characteristics of the magnesium alloy are integrated on line, the problems that magnesium chips are generated through off-line grinding, and continuous production is difficult are solved, the output of the magnesium chips is smaller than 0.002 kg / m < 2 >, the surface roughness Ra reaches 0.15-0.8 micrometer, the production efficiency is improved by 40% or above, and the method is suitable for continuous production of wide plate strips of 1600-1800 mm.

This invention provides a liquid metal-based thermal grease, its preparation method, and its application. The liquid metal-based thermal grease comprises the following raw materials in parts by weight: 100 parts liquid metal, 2-5 parts silicone oil, 0.1-20 parts thermally conductive powder filler, and 0.1-3 parts other additives. The high-reliability liquid metal-based thermal grease provided by this invention possesses excellent high thermal conductivity, high processability, and high reliability. It can replace traditional thermal grease to solve the heat dissipation and cooling problem of high-power chips, thereby extending the lifespan of electronic products.

This invention discloses an alloy catalyst, comprising a support and a copper-ruthenium alloy supported on the support, wherein the copper-ruthenium alloy is: Cu 0.7 Ru 0.3 The alloy catalyst prepared by this invention can be used to prepare cyclopentanone. The catalyst has high activity, good stability, and low price. The reactants used in the reaction are renewable, widely distributed, and inexpensive. The preparation of cyclopentanone using the catalyst of this invention does not require the introduction of acid or alkali, which solves the problem of difficult acid treatment in the prior art. Furthermore, it is not corrosive to the reaction equipment, which is conducive to large-scale production.

The invention relates to the technical field of photovoltaic module coatings, and mainly provides a photovoltaic module coating composition, a preparation method thereof and a photovoltaic module. The photovoltaic module coating composition is prepared from the following components in parts by mass: 4 to 200 parts of sodium hydroxide, 0.04 to 20 parts of metal oxide, 10 to 10000 parts of resin and 2000 to 21000 parts of solvent, wherein the solvent comprises water. According to the photovoltaic module coating composition in the technical scheme, when the temperature of a module is 150-300 DEG C, sodium hydroxide is decomposed, heat is actively absorbed, and the photovoltaic module is cooled, and when the temperature of the module is lower than 150 DEG C, heat can be actively released, sodium hydroxide is reproduced, and the photovoltaic module coating composition can be recycled.