43results about How to "Formula raw materials are easy to get" patented technology

The invention discloses a dielectric film, a preparation method thereof and a film capacitor. According to the dielectric film, polyolefin or polyester or polyamide is adopted as a base material, a polyvinylidene fluoride material is adopted as a functional modification component, and the dielectric film further contains a compatilizer. The single-layer or multi-layer full-organic composite high-dielectric energy-storage electrical film is prepared through a granulation process and a solid-phase stretching process. The all-organic composite high-energy-storage dielectric film obtained by the method has excellent mechanical properties, dielectric properties, energy storage properties and charge-discharge characteristics. Electrician films with different compositions and physicochemical properties are expected to be applied to the design of various novel high-energy-storage film capacitors. The method provided by the invention has the advantages of easily available formula raw materials,similar preparation process to film industrial production, environmental friendliness, no pollution and the like. The dielectric film can be widely applied to the fields of state grid engineering, electronic products, new energy vehicles, electromagnetic catapult pulse devices and the like in the future.

The invention discloses an anticorrosive inhibitor of Q345 alloy steel and a preparation method thereof, belonging to the technical field of metal material corrosion and protection. In the anticorrosive inhibitor of the Q345 alloy steel, the solute is compounded from Ce(NO3)3 and (NH4)2MoO4 in a ratio of (0-1) to (0-0.15), the solvent is deionized water, and the finally obtained inhibitor has the concentration of 0-0.95 g / l. When the inhibitor contains 0.8g / l of Ce(NO3)3 and 0.1g / l of (NH4)2MoO4, the Q345 alloy steel has the lowest corrosion current density of 9.943 mua / cm<2> and the corresponding highest inhibition rate of 87.16 percent. The anticorrosive inhibitor of the Q345 alloy steel is environment friendly and has favorable inhibition effect on the corrosion inhibition of the Q345 alloy steel in the system after being compounded for use.

The invention discloses a degradable edible fungi culturing bag with mushroom growing on the periphery, belonging to culturing technical field of edible fungi. The degradable edible fungi culturing bag adopts the components and the weight shares of the components as following: high density polyethylene 70 to 80 shares, linear low density polyethylene 10 to 20 shares, polylactic acid 3 to 10 shares, polyhydroxyalkanoate 0 to 5 shares, polybutylene succinate 0 to 5 shares, antioxidant phosphorous acid triester 0.1 to 0.2 share, calcium stearate 0.1 to 0.5 share, zinc stearate 0.1 to 0.2 share and aluminate ester resin acceptor 0.1 to 0.2 share. The mushroom can self break the film to grow on the periphery. The degradable edible fungi culturing bag with mushroom growing on the periphery has the advantages of improving the biotransformation rate and the benefit by above 30 percent and shortening the culturing and fruiting cycle by about 30 percent and also has the advantages of good degradability and low cost. The raw materials are easily obtained, so the degradable edible fungi culturing bag is suitable for popularizing in edible fungi culturing area.

The invention discloses a fluorubber gross rubber comprises high Mooney fluorine raw rubber, medium Mooney fluorine rubber raw rubber, active magnesium oxide, calcium hydroxide, diatomite, Brazil wax, a brightener, high-temperature resistant grass green, titanium dioxide, bisphenol AF and a vulcanization accelerator BPP. The fluorubber gross rubber has good fluidity in processing, is easy for processing, and has high hot tear strength.

The invention discloses low-fat arrowroot flour biscuits and preparation method for the same. The arrowroot flour biscuits comprise the following components in parts by mass: 200 to 250 parts of low-quality wheat flour, 40 to 50 parts of powdered white granulated sugar, 30 to 40 parts of whole arrowroot flour, 10 to 20 parts of arrowroot starch, 20 to 30 parts of bran, 10 to 12 parts of egg powder, 2.0 to 3.0 parts of edible salt, 2.0 to 3.0 parts of ammonium bicarbonate, 1.0 to 2.0 parts of sodium bicarbonate, 0.1 to 0.3 part of enzymes special for short biscuits, 40 to 60 parts of palm oil, 5 to 10 parts of glucose syrup and 60 to 70 parts of water, wherein the mass ratio of the whole arrowroot flour to the arrowroot starch is (1.5-4):1. When the arrowroot flour biscuits are prepared by virtue of the formula and the preparation method, the mouth-feel and the high quality of the biscuits can be ensured, the using amount of fat can also be reduced, and positive significance for production and popularization of the healthy arrowroot flour biscuits and popularization and application of arrowroot flour is achieved.

The invention belongs to the field of automobile foam damping materials and especially relates to a graphene composite foam damping material used for automobiles and a preparation method of same. The foam damping material is composed of ethylene-vinyl acetate resin (EVA), maleic anhydride grafted EVA (EVA-g-MA), a foamer, functionalized graphene, fumed silica, a foamer accelerant, a peroxidation crosslinker and a plasticizer. The damping peak value of the foam damping material is increased, so that the damping performance of the material is greatly improved.

The invention belongs to the technical field of traditional Chinese medicine formulae, and relates to a composition preparation for synergistic treatment of brachial plexus injury type cerebral palsy. The formula of the composition preparation for the synergistic treatment of the brachial plexus injury type cerebral palsy comprises fried earthworms, mulberry twigs, cassia twigs, Szechuan lovage rhizome, Caulis Spatholobi, radix astragali, radix paeoniae alba, bunge pricklyash leaves, mint leaves, dry garlic oranges, ginkgo shells, peanut shells, medical stone and salt; the process steps are that the raw materials of the composition preparation and medical stone are put in purified water to be soaked, and soaked and cooked by big fire and then soaked and cooked by slow fire for 40 to 60 minutes, and solid herb residues are filtered and removed to obtain the composition preparation for the synergistic treatment of spastic cerebral palsy; when using, the medical stone is taken out and then put in a jujube wood container with good thermal insulation together with a liquid composition preparation simultaneously; body parts of a patient except the head are put in the jujube wood container to be bathed for 1 to 2 times daily, wherein the bathing process lasts for 30 to 40 minutes, and air circulation is kept in the bathing process. The composition preparation disclosed by the invention is helpful in the prevention and treatment of brain diseases after taken for a long term, scientific in formula composition ratio and free of toxic and side effects, and further has multiple effects of disease prevention and treatment and bathing.

The invention discloses a brown fluorubber compound. The brown fluorubber compound is prepared from, by mass, 65 parts to 75 parts of high Mooney viscosity fluorubber, 25 parts to 35 parts of low Mooney viscosity fluorubber, 7 parts to 12 parts of active magnesium oxide, 8 parts to 12 parts of calcium hydroxide, 8 parts to 14 parts of diatomite, 1 part to 4 parts of Brazilian wax, 1 part to 3 parts of brightener, 1 part to 4 parts of fluorine wax, 2 parts to 6 parts of barium sulfate, 15 parts to 20 parts of high-temperature dark brown substances, 15 parts to 20 parts of titanium dioxide, 2 parts to 6 parts of bisphenol, and 1 part to 3 parts of vulcanizing agent in a mixing mode. According to the formula, the raw materials of the brown fluorubber compound are easy to obtain, and the preparing technology is simple. The brown fluorubber compound prepared with the method reaches all index performance of finished fluorubber in the prior art, high tensile strength for breakage is achieved, and the rebound resilience is high. The raw material cost of the brown fluorubber compound is low, machining cost of enterprises is saved, and good economic benefits are achieved.

The invention discloses high-luminous-efficiency electrodeless lamp blending powder as well as a preparation method and application thereof. The high-luminous-efficiency electrodeless lamp blending powder comprises the following components: nanometer aluminum oxide, a tri-color phosphor, a G phosphor, a BB phosphor, polyethylene oxide, a surfactant, a dispersant, ethanolamine and deionized water. Characteristics of various raw materials are carefully studied, selected multiple phosphors play a synergistic role in the manufacturing process so that by the high-luminous-efficiency electrodeless lamp blending powder, the luminous efficiency of the electrodeless lamp can be improved, high color rendering property can be maintained, the luminous efficiency can reach 85Lm / W or more, the color rendering property still maintain 80 and the competitiveness of the electrodeless lamp is improved. The high-luminous-efficiency electrodeless lamp blending powder is simple in preparation and is suitable for mass production of the electrodeless lamp. The cost is saved.

The invention discloses a tendril-leaved fritillary bulb planting method and relates to the technical field of traditional Chinese medicine planting. The tendril-leaved fritillary bulb planting method comprises the steps of land selection, seed selection, after-ripening treatment, sowing and soil covering. A high-altitude area is selected for planting, special after-ripening treatment is conducted, humus soil in the step of after-ripening treatment is scientifically formulated to provide long-lasting fertility for tendril-leaved fritillary bulb seeds, the raw materials for formulation are easy to obtain, the application is facilitated, the method is environmental-friendly, no harm is caused to planted plants and soil, the emergence rate is improved, the water permeability is good, the growth of fungi in the humus soil is effectively inhibited, the harm to tendril-leaved fritillary bulbs planed in soil is reduced, the morbidity of the tendril-leaved fritillary bulbs is reduced and the yield of the tendril-leaved fritillary bulbs is increased.

The invention provides an injection for one-needle removal of hemorrhoids and a mole and wart removal paste. The formula comprises X parts of sodium carbonate, (1.1-2)X parts of calcium oxide and (13-15)X parts of water. Sodium carbonate, calcium oxide and water are mixed and heated to be concentrated to 15X parts, clear liquor is extracted, namely the injection for one-needle removal of hemorrhoids is obtained, and the residual pasty matter is the mole and wart removal paste, wherein x ranges from 100g to 500g. In addition, the invention also provides a preparation method of the injection for one-needle removal of hemorrhoids and the mole and wart removal paste. According to the invention, two medicines, namely the injection for one-needle removal of hemorrhoids and the mole and wart removal paste are prepared simultaneously by one formula, and can directly act on focus tissues to reach the purposes of completely curing hemorrhoids and removing mole and wart; and moreover, the raw materials in the formula are easily available, the preparation process is simple, the cost is low, and the injection and the paste are safe and easy to use and have good efficacy.

The invention discloses a brass anticorrosion corrosion inhibitor, belonging to the technical field of metal material anticorrosion and protection. The solute of the brass anticorrosion corrosion inhibitor is compounded by PESA, ZnSO4 and Na2SiO3 with sequential mass ratio of 0-10:0-5:0-40, the solvent is de-ionized water, and the finally obtained corrosion inhibitor has concentration of 0-55mg / L. The brass anticorrosion corrosion inhibitor of the invention does no harm to the environment, conforms to the requirement of sustained development, features available compound raw materials, and has better corrosion inhibition effect on brass in the system after being compounded and used. When the concentration of the compound corrosion inhibitor is 2mg / LPESA+5mg / L ZnSO4+40mg / L Na2SiO3, the corrosion current density thereof is the lowest of 3.776 mu A / cm, and the corresponding corrosion efficiency thereof is also the highest of 84.90%.

The invention belongs to the technical field of traditional Chinese medicine formulas and relates to a composition preparation for synergistic treatment of spastic cerebral palsy. The composition preparation is prepared from common clubmoss herb, angelica sinensis, pawpaw, ligusticum wallichii, white paeony roots, moutan bark, dried garlic straw, ginkgo shells, peanut shells, a medical stone and salt. The composition preparation is prepared by the process steps of soaking raw materials of the composition preparation and medical stone into purified water of 40-60 DEG C, boiling on a high fire and then boiling on a low fire for 40-60 minutes and filtering out solid residues to obtain the composition preparation for synergistic treatment of spastic cerebral palsy; taking out the medical stone, putting the medical stone and the liquid composition preparation into a jujube wood container with relatively good heat retaining property at the same time in use; and putting the body part, except for the head, of a patient into the jujube wood container, bathing for 1-2 times a day and 30-40 minutes each time, keeping a room temperature at 22-24 DEG C and keeping ventilation in the bathing process. The composition preparation is conducive to prevention and treatment of brain diseases after being used for a long period of time, is scientific in formula composition ratio and free of a toxic or side effect and has multiple effects of preventing and treating diseases and bathing.

The invention aims to overcome defects in the prior art, and provides fluororubber special for an automobile fuel hose and a preparation method of the fluororubber. The fluororubber comprises, by weight percentage, 80-120 parts of fluororubber raw materials, 2-10 parts of active magnesium oxide, 3-10 parts of calcium hydroxide, 0.1-3 parts of calcium oxide, 15-25 parts of N990 carbon black, 2-8 parts of vulcanizing agents, 0.3-4 parts of release agents 2818 and 0.5-5 parts of brazil wax. The fluororubber special for the automobile fuel hose is not prone to aging and breaking, largely prolongs service life and guarantees use safety.

The invention discloses high-gel-strength algin, which comprises the following raw materials in percentage by mass: 55 to 60 percent of algin, 5 to 10 percent of sodium hexametaphosphate, 20 to 25 percent of calcium sulfate dihydrate and 50 to 10 percent of glucolactone. When the product forms an equal amount of gel, a small amount of algin is used, so that the using amount of the algin can be reduced, and the product is low in cost, high in gelling speed, uniform in gelling and high in toughness; the raw materials in the formula are easily available, and the product is low in heat and nontoxic; due to the addition of the glucolactone, the product is easy to swell and high in flexibility, and tastes good; the product has effects of curing, thickening, emulsification, suspension, stabilization and food dryness prevention when being added into food, and has the characteristics of high formability and easiness for shaping; a preparation method for the product is convenient and easy to operate, and manpower and material resources are greatly saved; the using amount of the algin is small, and the raw materials in the formula are easily available, so that the production cost is directly lowered.

The invention relates to a membrane module protection solution formula and a preparation method thereof, belonging to the technical field of water treatment and environment. The membrane module protection solution formula comprises glycerol, NaHSO3, sodium propionate, and sodium tripolyphosphate (low temperature type). The protection solution is characterized in that the protection solution uses the glycerol which is harmless to human body and environment friendliness, the protection solution has stable physicochemical properties and no corrosion on the membrane material. The glycerol is used as the main material of the formula and prepared into different glycerol solutions according to different mass concentration proportions and the mass concentrations of the glycerol solutions mainly comprise 20%, 30%, 40%, 50%, and 60%. According to the different concentrations, the glycerol is mixed with water to prepare different glycerol solutions and the glycerol solutions are slowly stirred up. The NaHSO3, sodium propionate, and sodium tripolyphosphate are respectively prepared into NaHSO3 solution, sodium propionate solution, and sodium tripolyphosphate solution, and the NaHSO3 solution, the sodium propionate solution, and the sodium tripolyphosphate solution are slowly added into the protection solution, and the protection solution is stored at the room temperature. The membrane module protection solution has the advantages that the property of the protection solution is stable and the preparation process operation is simple. The raw materials are available and environment-friendly and do not cause secondary pollution.

The invention discloses a formula of an environment-friendly LED lampshade. The formula comprises the following raw materials in parts by weight: 50-60 parts of matrix resin, 40-50 parts of high polymeric polypropylene, 30-40 parts of PMMA, 20-30 parts of silicon resin, 10-20 parts of methacryloxysilane, 15-25 parts of polyethylene glycol, 12-16 parts of carboxymethylcellulose, 8-12 parts of nanometer yttrium oxide, 4-9 parts of tea green masterbatch, 0.5-1 part of a processing aid, 0.1-0.5 part of a coloring agent, 0.2-0.6 part of an emulsifying agent, 0.3-0.7 part of an antioxidant, 0.1-1 part of a compatilizer, 1.2-1.6 parts of a light diffusant and 1.1-1.5 parts of a light stabilizer. After adoption of the formula of the environment-friendly LED lampshade, the raw materials are easy to obtain, the processing technology is simple, and production is convenient; the raw materials mostly adopt the environment-friendly materials, so that the lampshade is environment-friendly and low in pollution; in addition, the lampshade has high light transmission, stable chemical properties and strong high temperature resistance and chemical corrosion resistance.

The invention relates to a liquid crystal packaging container inner wall surface treatment formula. The liquid crystal packaging container inner wall surface treatment formula comprises, by volume, 19-29 parts of nitric acid, 1-5 parts of sulfonic acid, 1-3 parts of diphosphonic acid, 1-5 parts of monobutyl ether, 1 part of a surfactant, 5 parts of an adsorbent and 62 parts of water. According to the liquid crystal packaging container inner wall surface treatment formula, in actual surface treatment, a protective film can be formed on the inner wall of a metal container, the corrosion resistance of the inner wall is improved, and precipitation of matrix elements is reduced; and in addition, raw materials of the formula are easy to obtain, operation is easy, and processing of the formula is easy to achieve.

The invention discloses a feed additive for improving estrus rate of sows, and relates to the technical field of sow cultivating. The feed additive for improving the estrus rate of the sows is prepared through components by flowing weight part: 300-500 parts of fish meal, 300-500 parts of pig bone meal, 200-230 parts of soybean curb residues, 50-60 parts of amaranth, 10-15 parts of pericarpium citri reticulatae, 20-50 parts of herba leonuri, 10-15 parts of luteinizing hormone, 10-20 parts of chorionic gonadotropin, 50-60 parts of mountain flour, 20-25 parts of angelica sinensis and 20-25 parts of amino acid. The feed additive for improving the estrus rate of the sows uses the raw material easy to obtain, adopts a simple preparation process, can increase the amount of effective mildew through coordination of the amaranth and the soybean curb residues, enhances immunity, can improve the estrus rate of the sows by using the herba leonuri, the chorionic gonadotropin and the luteinizing hormone, guarantees fecundity and quality of the sows, and furthermore can improve disease resistance of the sows.

The invention discloses a corrosion prevention inhibitor for copper, belonging to the technical field of corrosion and protection of metal materials. The solute of the inhibitor is prepared by combining polyepoxy succinic acid (PESA), ZnSO4 and Na2SiO3 based on the mass ratio of 0-20 to 0-10 to 0-25; the solvent is deionized water; the final inhibitor concentration is 10-55mg / L. When the concentration of the inhibitor prepared by combination is 2mg / L PESA+4mg / L ZnSO4+10mg / L Na2SiO3, the corrosion current density is the lowest, namely 0.258mu A / cm2, and the corresponding inhibition efficiency is the highest, namely 83.92%. The corrosion prevention inhibitor for copper of the invention does no harm to the environment and has good inhibition effect on corrosion prevention of the copper in the system after being used by combination.

The invention belongs to the technical field of a traditional Chinese medicine formula, relates to a bath agent formula for preventing cerebral disease through a bath mode, and especially relates to amedicated bath preparation for auxiliary treatment of spasm-type cerebral palsy. The medicated bath preparation comprises the raw materials of buck grass, Chinese angelica, pawpaw, Ligusticum wallichii, safflower, white peony root, tree peony bark, Radix Rehmanniae Preparata, achyranthcs bidentata blume, sorghum root, bunge pricklyash leaf, mint leaf, dried garlic straw,, gingko shell, peanut shell, Chinese medical stone, and salt. An application is characterized in that the raw materials are prepared to the mixed raw material of the medicated bath preparation, through processing, the prepared liquid medicated bath preparation is placed in a jujube wood container, while in use, the body part, except for the head, of a patient is put into the liquid preparation for bathing, and purified water should be continuously supplemented during a process and the bath temperature is controlled; the formula raw materials are easily available, the combination proportion is scientific, a preparationtechnology of the preparation is matured, control effect is obvious, nontoxic and side effect is generated, the preparation has multiple efficacy for diseases prevention and bathing, bath environmentis friendly, patient can cooperate the treatment, and the application environment is friendly.

The invention provides an insulating shading adhesive tape for fixing LED backlight modules. The insulating shading adhesive tape comprises a substrate, and an adhesive which is adopted to coat the black substrate; the adhesive comprises the following components: 30 to 60 parts by weight of 2-ethylhexyl acrylate; 10 to 30 parts by weight of an allyl alcohol complex; 5 to 10 parts by weight of sulfur; 3 to 8 parts by weight of nano-selenium, 5 to 15 parts by weight of ceramic particles, 5 to 10 parts by weight of diisopropyl azodicarboxylate, 1 to 2 parts by weight of organic tin, 1 to 10 partsby weight of fumed silica, 10 to 20 parts by weight of 1-hydroxycyclohexyl phenyl ketone, 5 to 15 parts by weight of dodecanethiol and 1 to 5 parts by weight of 2-ethyl anthraquinone. According to the shading adhesive tape, the adhesive is prepared at a non-high temperature and only needs to be heated to 60-80 DEG C, the formula raw materials are easy to obtain, the processing mode is simple, operation is easy and convenient, production is more energy-saving and environmentally friendly, and the prepared adhesive tape is excellent in shading performance.

The invention relates to canned actinidia arguta and a production method thereof and belongs to the technical field of fruit and vegetable products. The canned actinidia arguta is mainly produced by freeze-dried actinidia arguta and white granulated sugar. A production method of the freeze-dried actinidia arguta includes: taking fresh actinidia arguta, removing stems, cleaning, soaking with the aqueous solution of edible cyanine and vitamin C for 48 hours, and performing freeze drying, wherein the condition of the freeze drying can be a conventional experiment condition, and the freeze drying condition is preferably characterized in that the pressure of a drying chamber is 100-110Pa, heating plate temperature is 40-45 DEG C, and temperature falling rate is 0.2 DEG C / minute. The canned actinidia arguta produced by the method has the advantages the freshness of the canned actinidia arguta is close to the fresh actinidia arguta, and the bad taste, caused by long-term storage, of traditional cans can be avoided; the canned actinidia arguta is sufficient in flexibility, and the bad soft taste of fruits soaked for a long time can be avoided; the actinidia arguta is in good shape, bright, full and good in appearance quality.

The invention discloses a chelating agent for treating heavy metals in waste incineration fly ash and a preparation method thereof. The chelating agent is prepared from the following components: 20-40parts of an organic chelating agent body, 10-20 parts of an inorganic chelating agent body, 20-40 parts of hydrochloric acid, 20-30 parts of nitric acid and 4-8 parts of a surfactant. The chelating agent and the preparation method thereof have the advantages that the content of the treated heavy metals is greatly decreased, the chelating agent has no leaching toxicity, and meanwhile the heavy metals can be reused.

The invention discloses a corrosion prevention inhibitor for white copper B10, belonging to the technical field of corrosion and protection of metal materials. The solute of the inhibitor is formed by polyepoxy succinic acid (PESA) and Na2SiO3 based on the mass ratio of 0-30 to 0-50; the solvent is deionized water; the final inhibitor concentration is 10-80mg / L. When the inhibitor concentration is 15mg / L PESA+40mg / L Na2SiO3, the corrosion potential obviously shifts to the positive direction relative to the blank test, and the corrosion current density obviously decreases at the same time and is 4.637mu A / cm2, which greatly decreases relative to the corrosion current density of 21.43mu A / cm2 in the blank test; the inhibition rate reaches 78.36%. The corrosion prevention inhibitor for white copper B10 of the invention does no harm to the environment and has good inhibition effect on corrosion prevention of the white copper B10 in the system after being used by combination.

The invention discloses a corrosion prevention inhibitor for white copper B30, belonging to the technical field of corrosion and protection of metal materials. The solute of the inhibitor is prepared by combining polyepoxy succinic acid (PESA), Na2SiO3 and ZnSO4 based on the mass ratio of 0-10 to 0-20 to 0-20; the solvent is deionized water; the final inhibitor concentration is 10-50mg / L. When the concentration of the inhibitor prepared by combination is 2mg / L PESA+10mg / L Na2SiO3+20mg / L ZnSO4, the corrosion current density is the lowest, namely 0.3042mu A / cm2, and the corresponding inhibition efficiency is the highest, namely 93.05%. The corrosion prevention inhibitor for white copper B30 of the invention does no harm to the environment and has good inhibition effect on corrosion prevention of the white copper B30 in the system after being used by combination.

The invention relates to a polyster elastomer foam material with high melt strength and a preparation method thereof. The polyster elastomer foam material with high melt strength mainly comprises aromatic dicarboxylic acid dimethyl ester (aromatic dicarboxylic acid), alpha, omega-aliphatic diol, polyether glycol and an inorganic precursor, wherein the inorganic matter in the composite material is in-situ synthesized by the inorganic precursor, and the hydroxyl groups on the surface of the inorganic matter react with hydroxyl groups at both ends of the polyster elastomer, so that part of polyster elastomer molecular chains are grafted onto the surface of the inorganic matter. Compared with the pure polyster elastomer, the composite material has higher melt strength, the foam elastomer can be manufactured after a foaming agent is added, the service temperature of foam plastic is 80 to 100 degrees higher than that of ordinary foam plastic, and the foam plastic has the characteristic of high strength and can be used under high temperature environment unacceptable for ordinary foamed plastic. Compared with the prior art, the polyster elastomer foam material with high melt strength has the characteristics of easily obtained raw materials, low cost, easily-controlled process conditions, good properties of products and stable quality.

The invention belongs to the technical field of organic chemical synthesis, and discloses a method for preparing a ketone compound from olefin by using an iron catalyst. According to the invention, the ligand and the iron salt form an iron catalyst in the on-site reaction, the raw materials in the formula are easy to obtain, and the synthesis is simple. By using the catalyst, olefin can be efficiently converted into ketone compounds, and compared with a palladium catalyst, the price is very low, and the catalyst is suitable for industrial application.