62results about How to "Strong salt and alkali resistance" patented technology

A revegetation method for tailings dams in the northern region includes the following steps: (A) slopes are cleaned up and leveled in order to eliminate potential geological hazards; (B) the surface layer of a tailings dam is covered by 10 to 15 centimeters of planting soil; (C) slurry-like plant-growing soil culture medium is sprinkled on the surface of the covering soil, so that a plant-growing substratum with a stable, excellent crumble structure is formed; (D) plant seeds with high stress resistance combined with artificial soil are chosen to be sowed on the surface of the plant-growing substratum, so that a seed layer which is about 2 centimeters in thickness is formed; (E) a management measure with a spray irrigation system and protective nets is adopted to maintain epigaeous seedlings at the late stage. The revegetation method has the advantages that the revegetation method can enhance the adaptability of plants to the complex adverse environment of a tailings pond, including stronger drought-resisting, saline-alkali tolerant, barren-tolerant and nutrient-obtaining capabilities, the method can be utilized to restore the ecology of the slopes of the tailings dam and build a steady vegetation layer, and also has the effects of stabilizing the slopes, conserving water and soil and inhibiting runoff and flying tailings sand.

The invention relates to active black dye which essentially comprises fuchsine component A, orange yellow component B and navy component C, and is based on the component A, the component B and the component C; the weight percentage of the component A is 1 to 25 percent, the weight percentage of the component B is 1 to 25 percent, and the weight percentage of the component C is 50 to 95 percent; and the component A comprises at least a dye shown as formula (I) and a dye shown as formula (II), the component B comprises at least a dye shown as formula (III) and a dye shown as formula (IV), and the component C comprises at least a dye shown as formula (V). The active black dye has the advantages of high product solubility, strong salt and alkali resistance, high uptake date and color fixing rate, excellent dyeing fastness and environmental protection.

The invention relates to a saline-alkali tolerant functional water-retaining agent and a preparation method thereof. The water-retaining agent is graft copolymer of sulfonated humic acid, N-N'-methylenebisacrylamide and crylic acid; the structural formula of the water-retaining agent is shown in the specifications; and the water-retaining agent has high saline-alkali tolerance, and can absorb tap water in an amount which is 123 times that of the water-retaining agent and absorb sodium carbonate saline, with the pH value of 9, in an amount which is 85 times that of the water-retaining agent. The water-retaining agent can effectively adsorb free sodium ions and heavy metal ions and can effectively reduce alkalinity of soil so as to improve the physical and chemical structure of the soil. The water-retaining agent is prepared by a normal temperature polymerization method, and has a simple process and mild reaction conditions. The crylic acid and the humic acid serve as main raw materials; potassium, nitrogen and organic matters required by plant growth can be supplemented; and the sulfonated humic acid is released slowly, so that growth of plants is promoted.

The invention discloses a soil culture medium suitable for growth of a plant on a metallurgy tailings dam and the preparation method of the soil culture medium. The soil culture medium consists of a component A and a component B, wherein the component A is clean water, and the component B is prepared by compounding the following components by weight percent: 30%-38% of clay, 18%-25% of montmorillonite, 36%-40% of organic substances, 3% of slow release fertilizer, 1%-3% of stabilizer, 0.35%-0.85% of granulation agent and 0.5%-3% of plant seeds. The soil culture medium provided by the invention is great in porosity and good in water and fertilizer conservation, can complex heavy-metal ions, reduces the salinity and alkalinity of the soil, increases the content of the organic substances in the soil, provides various nutrients required by the growth of the plant, can solve the problems of poor vegetational type stability, insufficient soil replacement raw materials, over-high cost and the like in the biological reparation of the existing tailings pond, and has good environment benefit and social benefit.

The present invention discloses a wear-resistance and corrosion-resistance polyurethane paint, which is prepared from the raw materials such as polyurethane, silicon dioxide, titanium dioxide, asphalt, nanometer aluminum oxide, zirconium oxide, silicon nitride, talc powder, a phenolic resin, butyl methacrylate, an epoxy resin and a dispersing auxiliary agent, wherein the dispersing auxiliary agent is prepared from diatomaceous earth, jade powder, a silane coupling agent, acrylate and pentaerythritol triacrylate. According to the present invention, the paint has characteristics of extremely strong corrosion resistance, saline resistance, alkali resistance, good metal protection effect, high hardness, wear resistance, compression resistance, substantially-improved paint protection effect, strong paint stability, easy use, and easy operation.

The invention discloses a wear-resistant pressure-resistant epoxy paint, which is characterized by being prepared from the following raw materials by weight: 70-75 parts of E-42 epoxy resin, 2-3 parts of ethylene glycol ethyl etheracetate, 10-12 parts of polyamide resin, 10-12 parts of asphalt, 1-2 parts of 2-methylimidazole, 10-14 parts of phenolic resin, 2-3 parts of dicyandiamide, 16-19 parts of talcum powder, 5-6 parts of barium metaborate, 1-2 parts of nano aluminum oxide, 1-2 parts of dibenzoyl peroxide, 10-12 parts of xylene, 4-5 parts of vinyl acetate, 7-9 parts of ethyl acetate and 3-4 parts of a dispersant. The dispersant involved in the invention improves optical performance, realizes even dispersion of the paint and maintains the stability of the paint. The wear-resistant pressure epoxy paint provided by the invention has the advantages of extremely strong corrosion resistance, rust resistance andsaline-alkaline tolerance on metal, high hardness, wear resistance, pressure resistance and difficulty in brittle fracture, makes up the insufficiencies of a traditional epoxy paint; in addition, the wear-resistant pressure-resistant epoxy paint has simple preparation technology and is particularly suitable for back protection for a metal plate.

The invention discloses saline-alkaline tolerant enterobacter cloacae and a production method and application of a viable bacterium preparation of the saline-alkaline tolerant enterobacter cloacae. The saline-alkaline tolerant enterobacter cloacae ZTS-10 is separated from rhizosphere soil of chili peppers in saline-alkaline land, the preservation number of the bacterial strain in the China GeneralMicrobiological Culture Collection Center (CGMCC) is CGMCC No.20181, and the preservation date is 3 July, 2020. The bacterial strain is high in saline-alkaline tolerance and high in field planting rate in the saline-alkaline soil, has the capacity of producing IAA, degrading phosphorus and degrading potassium, can promote growth of the chili peppers, has good antagonism effects on pathogenic bacteria of chili pepper epidemic diseases, can be used for producing microorganism fertilizers especially microorganism fertilizers special for the chili peppers in the saline-alkaline land, can reduce the generation of chili pepper epidemic diseases, and can increase yield and quality.

The invention discloses a seashore saline land improver, a preparation method of the seashore saline land improver and a seashore saline land improvement method. The seashore saline land improver comprises the following components in parts by mass: 5-20 parts of industrial waste gypsum, 0.2-1 part of monosodium glutamate waste residue, 30-60 parts of plant waste ground and decomposed material, 0.01-1 part of anionic polyacrylamide and 5-15 parts of bacillus flora. The seashore saline land improver is applicable to seashore saline areas in both north and south China and can rapidly improve the saline land within 50-70 days, and the salinity of the saline land is reduced to a concentration suitable for plant growth. Moreover, the improver has excellent fertilizer maintenance and salinity reduction effects and can achieve the effects of improving the pore structure of soil and reducing the volume weight of soil.

The invention relates to the technical field of plant repairing to heavy metal pollution in environment, and in particular relates to a repairing technology for heavy metal copper pollution in mine soil of Karst mountain areas, specifically the application of ditch millets in repairing heavy metal copper pollution of the mine soil in the Karst mountain areas. The application method comprises the following steps of: covering 2-4cm of surrounding forest litters and soil seed banks in the soil polluted by copper at first, then sowing the ditch millets, harvesting and ashing the ditch millets periodically, and thus repairing the soil polluted by the heavy metal copper. Because the ditch millets are strong in salt and alkali resistance, adaptability, growth potential and expansibility and are resistant to trampling, so that the ditch millets are particularly suitable for piecemeal thinning of soil stratum and mining areas with strong acidity in the Karst mountain areas, can improve the greening level of the areas at the same time, are simple to sow and manage, and facilitate engineering implementation.

The invention discloses a method for efficiently planting apples on saline and alkaline lands. The method is characterized in that according to growth and development characteristics of the apples, water and fertilizer characteristics of the saline and alkaline lands are combined, physical, chemical and biological control measures of the saline and alkaline lands and apple planting techniques areintegrated, the saline and alkaline lands are pretreated by the aid of calcium super-phosphate cream powder, shell powder and compound microbial agents, livestock and poultry manure bio-organic fertilizers, nitrohumic acid and seaweed fertilizers are applied onto the saline and alkaline lands, soil structures of the saline and alkaline lands are effectively improved, a pH (potential of hydrogen) value of soil and salinity are reduced, the fertility of the saline and alkaline lands is improved, Chinese flowering crabapple seedlings are transplanted onto the saline and alkaline lands and then serve as stocks to graft the apples, so that the apples are efficiently planted on the saline and alkaline lands, and an efficient planting key technique system of the apples on the saline and alkalinelands is constructed. According to the method, the growth rate of the apples on the saline and alkaline lands can be remarkably increased, the yield of the apples and the quality of fresh apples are remarkably improved, and method is suitable for popularization and application in saline and alkaline areas.

The invention discloses a method for induction of lycium ruthenicum murr tetraploid through tissue culture. The method comprises the following steps that (1) aseptic seedlings are obtained, and blades are picked; and (2) the blades of lycium ruthenicum murr are used as explants of tetraploid induction to be placed on a lycium ruthenicum murr tetraploid callus induction culture medium for callus induction, specifically, the lycium ruthenicum murr tetraploid callus induction culture medium comprises 0.125 mg.L<-1> of 6-BA, 0.025 mg.L<-1> of 2,4-D and 2% of DMSO and 0.01 mg.L<-1> of colchicines. The tetraploid calluses of the lycium ruthenicum murr are successfully induced through combination of dimethyl sulfoxide with the colchicines, and the method lays a foundation for induction of lycium ruthenicum murr tetraploid plants.

The invention relates to a fermented jerusalem artichoke straw for soilless culture, and the fermentative jerusalem artichoke straw is prepared through the following method, wherein the method comprises the steps: 1), carrying out the natural withering of the jerusalem artichoke straw, smashing the jerusalem artichoke straw till the length is from 3 cm to 6 cm, stacking the smashed jerusalem artichoke straws, uniformly adding adjustment liquid with a leavening agent to the jerusalem artichoke straw stack, adjusting the content of water in the jerusalem artichoke straw stack to 50%-60%, and obtaining an to-be-fermented, wherein C / N is 25-35:1; 2), carrying out the fermentation of the to-be-fermented jerusalem artichoke straw stack for 45-50 days under the room temperature, and obtaining the fermented jerusalem artichoke straw. According to the invention, the fermented jerusalem artichoke straw cooperates with turf and vermiculite, thereby obtaining a soilless culture medium with the void ratio being more beneficial for the growth of vegetables, bringing a good root environment for the growth of roots. Moreover, compared with a composite medium which just contains turf and vermiculite, the medium can improve the health of vegetable seedlings, improves the anti-disease capability of the vegetable seedlings, and improving the yield.

The invention belongs to the technical field of microorganisms, and discloses a compound microbial agent containing saline-alkaline-tolerant bacillus paralicheniformis and a preparation method thereof. The compound microbial agent containing the saline-alkaline-tolerant bacillus paralicheniformis is prepared from, by mass, 50 parts of bacillus paralicheniformis MIB-17 strain culture, 15 parts of bacillus megatherium ACCC 04314 strain culture, 15 parts of bacillus megatherium ACCC 19743 strain culture, 15 parts of bacillus subtilis ACCC 19743 strain culture, 10 parts of humic acid and 10 parts of compound trace elements. According to the invention, a bacillus parlicheniformis MIB-17 strain with relatively strong saline-alkaline tolerance and crop growth promoting capability is used as a main functional strain, preferably, a bacillus megatherium ACCC 04314 strain and a bacillus subtilis ACCC 19743 strain are matched, and the compound microbial agent is prepared by combining the strains with humic acid and trace elements. The application effect is better than that of a single fungicide.

The invention belongs to the technical field of microorganisms and particularly relates to a bacillus megaterium FJW1 and an application thereof to preparation of a phytopathogen antibacterial agent.The invention relates to the bacillus megaterium FJW1, and the accession number is CCTCC M 2019660. The strain has alkali resistance, high environmental adaptability, phytopathogen resistance and other functions, can grow under the conditions of pH 6-8 and 13% salt concentration and has a relatively good inhibition effect on a plurality of fusarium pathogens, the antibacterial rate is up to 95%, the inhibition rate to banana fusarium wilt is 97% or more, the inhibition rate to penicillium glaucum and rhizomucor variabilis is 93% or more, the inhibition rate to rhizopus nigricans is 91% or more, the inhibition rate to cladosporium cladosporioides is 82% or more, the inhibition rate to botrytis cinerea and myrothecium roridum is 51% or more, the inhibition rate to alternaria tenuissima is 27% or more, and the bacillus megaterium FJW1 has potential application value of being made into a biocontrol bacterium.

The invention discloses a slope greening method which comprises the following steps: trimming and fertilizing a slope, planting three or more rows of arbors in a high position above the slope, and planting rows of shrubs in the rest positions, wherein the arbors adopt broussonetia papyrifera and the shrubs adopt vitex rotundifolia; burying a micro-moistening irrigation system used for irrigation in the slope. According to the method, the arbors and the shrubs are reasonably combined for finishing slope greening transformation within the shortest time, so that the effects of preventing wind and fixing sand can be achieved and the salt return situation cannot occur.

The invention discloses a method of planting sunflower in saline-alkaline land. The method includes following steps: selecting the saline-alkaline land with salt content of soil being 0.2-0.4%; performing closed treatment on the saline-alkaline land to be sowed; selecting a sunflower variety high in salinity and alkali resistance, developed in root system and less prone to lodging; paving films and seeding; seeding before 10th June for spring seeding; timely draining seedling water after seeding; timely performing final singling and intertilling; assisting in pollination during flowering. By utilizing the method, sunflower in the saline-alkaline land is enabled to grow normally and mature normally and to obtain high yield.

The invention discloses a strain of Bacillus mohaevei for promoting the growth of Thoreau grass and the application thereof. The strain KKDD belongs to Bacillus mojavensis (Bacillus mojavensis), is deposited at the China General Microbiological Culture Collection Center on 11 April 2018, strain collection No. CGMCC NO. 15579(address: No. 3 Yuan, No. 1 Beichen West Road, Chaoyang District, Beijing)Bacillus rhizospheres KKDD isolated from saline-alkali vegetation in Hoh Xil, Qinghai province, has that characteristics of nitrogen fixation, antagonism to pathogen, IAA production, germination promotion and saline-alkali tolerance, and has certain research and application potential in grassland vegetation restoration and ecological agriculture and animal husbandry in plateau. The KKDD strain can not only obviously improve the growth of Thoreau grass, but also degrade straw lignocellulose and antagonize the fungal diseases of Thoreau grass.

The present invention discloses a saline-alkaline tolerant bacillus siamensis strain and a production method and an application of a live bacteria preparation of the saline-alkaline tolerant bacillussiamensis strain. The strain is isolated from the rhizosphere soil of rice and deposited in China General Microbiological Culture Collection Center on June 22, 2020, and has a preservation number of CGMCC No.20119. The bacillus siamensis PAPM-15 strain has strong saline-alkaline tolerance and strong ability to produce NH<3> and ACC deaminase, and the live bacteria preparation can effectively promote growth of rice, also has a relatively high resistance to rice bakanae disease caused by fusarium fujikuroi, and can be used to produce biological fertilizers, especially the biological fertilizersspecific for rice in saline-alkali soil.

The invention discloses a saline-alkaline tolerant argentina pseudomonas strain as well as a viable bacteria preparation and application thereof. The Pseudomonas argentinsis PAPM-9 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the Pseudomonas argentinsis PAPM-9 is CGMCC No.20182. The argentina pseudomonas PAPM-9 has strong saline-alkaline tolerance, has the effects of producing NH3, dissolving phosphorus, preventing and treating soft rot of tomatoes and promoting the growth of the tomatoes, and can be used for producing microbial fertilizers, especially special biological fertilizers for tomatoes in saline-alkali soil.

The invention discloses saline-alkaline-tolerant Bacillus aerius and a preparation method and application of a living bacteria preparation of the saline-alkaline-tolerant Bacillus aerius. According tothe invention, the saline-alkaline tolerant Bacillus aerius PAPM-14 is separated from rhizosphere soil of corn. The strain is preserved in China General Microbiological Culture Collection Center on June 22, 2020, and the preservation number of the strain is CGMCC No. 20118. The strain has strong salt and alkali tolerance; the strain has strong IAA production, phosphate solubilization and potassium solubilization capabilities, has a strong antagonistic effect on pathogenic bacteria such as corn sheath blight disease, can be used for producing microbial fertilizers, especially microbial fertilizers special for saline-alkali soil corn, is used for biological prevention and control of crop diseases such as corn sheath blight disease, reduces the occurrence of diseases, and improves the yieldand quality.

The invention discloses streptomyces variabilis, and further relates to a fermentation culture medium, a preparing method of a bacterial agent, and application of the bacterial agent in preventing andtreating soil-borne plant mycosis and the like. The streptomyces variabilis is streptomyces variabilis qnsv4, and the preservation number of the streptomyces variabilis is CGMCC No.16673. The streptomyces variabilis is cultured on a Gauze No.1 culture medium, the bacterial colony is grey white in color and Gram-positive, aerial hyphae grow into spore hyphae after being mature, the spore hyphae are in a spiral shape with 2-8 spirals, generally 4-6 spirals, and spores are spherical or oval. The streptomyces variabilis can grow in an environment with the pH of 6-9 and 0.5-22 g / L of sodium chloride, is tolerant to saline and alkaline, and high in adaptability. The streptomyces variabilis can effectively inhibit the growth of pathogenic bacteria of verticillium wilt of cotton, sclerotium rolfsii of peanuts, fusarium solani of peanuts and other plate soil-borne pathogenic fungi, has a certain effect of promoting the growth of crops and increasing the yield, is beneficial to environmental protection, and has obvious economic and social benefits.

The invention discloses streptomyces silaceus PAPM 18 which is already collected at the China General Microbiological Culture Collection Center on July 4, 2018 under a biological collection number ofCGMCC NO. 16054. The strain can survive in saline-alkaline soil, has good degrading effect on plant autotoxins like allyl propionate, p-hydroxybenzoic acid and ferulic acid, can relieve successive cropping obstacle caused by the plant autotoxins and has effects of promoting growth of and increasing yield of cotton cultivated in saline-alkaline land. An active bacterial preparation can be obtainedby performing enlarged culture on the strain, inoculating the strain into a culture medium taking corn starch and corn paste as main nutrition sources, culturing at 35-37 DEG C for 72-96h, adding trehalose, molasses and biological fulvic acid powder into fermentation liquid and spray-drying. A preparation method of the active bacterial preparation is scientific, short in fermentation, high in fermentation liquid bacteria concentration, low in active bacteria loss in the process of spray-drying and high in stability of the active bacteria preparation in the process of preservation.

The invention discloses a contaminated soil treatment improver and a preparation method thereof. The contaminated soil treatment improver comprises 33-45g of quick lime, 5-9g of charcoal, 15-22g of monopotassium phosphate, 18-25g of ground phosphate rock, 15-20g of modified humic acid, 3-8g of a dispersing agent, 2-6g of a wetting agent, 7-10g of ferric sodium ethylenediamine tetraacetate, 3-6g ofurea, 6-12g of a polymer water-retaining agent and 0-20ml of a biological bacterial fertilizer. Biochar is added and used together with the decarbonized lignite-based modified humic acid, so that theconcentrations of Cd, Pb and Zn can be greatly reduced, and the soil environment is improved; and humic acid subjected to ammoniation treatment by ammonium bicarbonate and the biological bacterial fertilizer are used together, so that soil salt-based ions can be reduced, and nutrients can be provided for crop growth.

The invention provides a heavy metal cadmium-specific binding protein gene BjHMA4R, a protein encoded by the gene BjHMA4R and an application thereof. The nucleotide sequence of the gene BjHMA4R is shown in SEQ ID NO: 1 and encodes a protein having the amino acid sequence shown in SEQ ID NO: 2. The C-terminal (carboxyl-terminal) binding domain small fragment BjHMA4R of the heavy metal transporter BjHMA4 is found in an Indian mustard plant for super-enriching heavy metals, can specifically bind to Cd<2+> at low concentrations, and the experiment show that the gene can improve the cadmium tolerance and enrichment ability of microorganisms. The recombinant gene is recombined into the microorganisms with strong salt tolerance, alkali tolerance, adsorption and flocculation ability, so that the microorganisms not only have strong salt tolerance, alkali tolerance, adsorption and flocculation ability, but also have strong cadmium tolerance and enrichment ability, so as to promote the application of microbial process in the treatment of cadmium-containing wastewater.

The invention provides a novel slag soil conditioner and a preparation method thereof. The preparation method comprises the following steps: crushing and uniformly mixing slag and zeolite to obtain amixture a, uniformly mixing medical stone, diatomite, sodium polyacrylate, Devodol plant nutrient soil, an inorganic fertilizer and organic fertilizer to obtain a mixture b, wherein the adopted compound microbial agent is bacillus yersiniae, aspergillus oryzae, pseudomonas zhaodong and bacillus licheniformis, and mixing the mixture a, the mixture b and a microbial agent in a ratio of (5-7g): (4-6g): (2-3mL) to prepare the novel slag soil conditioner. The novel soil conditioner provided by the invention can effectively improve the properties of saline alkali soil, improve the structure and permeability of the saline alkali soil, reduce soil pollution, improve soil fertility, recycle waste resources, is simple to process, reduces investment, and can effectively meet the growth requirements of plants.

The invention provides a pseudomonas brassicacearum Y1, a culture method and application thereof, and a soil conditioner. The invention discloses pseudomonas brassicacearum Y1 for the first time, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.20127. The pseudomonas brassicacearum Y1 has relatively strong capabilities of dissolving phosphorus, dissolving silicon, dissolving potassium, fixing nitrogen, producing IAA and resisting salt and alkali, can also produce siderophore ACC deaminase, and has oxidase and catalase activity and weak nitrate reductase activity; and the Y1 has a certain antagonistic effect on some phytopathogens. The pseudomonas brassicacearum Y1 is compounded with trichoderma and other components to obtain the soil conditioner, and the soil conditioner can promote the increase of nutrient elements such as available phosphorus, silicon and potassium in soil and promote balanced absorption of nutrients of crops. Tests show that the soil conditioner has an obvious improvement effect on desert soil in China.

The invention discloses a narrow-row and compact-planting transplanting method for rice in a soda saline-alkaline land, relates to a transplanting method for rice in a soda saline-alkaline land and aims to solve the problem of low rice yield in the conventional transplanting method for rice in a soda saline-alkaline land. The method comprises the steps that rice seedlings are transplanted with the line spacing of 22.5+ / -0.5cm and the hill spacing of 15+ / -0.5cm, and 6-8 seedlings are transplanted in each hill averagely. The narrow-row and compact-planting transplanting method has the advantages that the rice which is transplanted by using the method has the characteristics of high saline-alkaline resistance capability, earliness for heading and full heading; the rice cultivation quantity of unit area can be effectively increased, the water evaporation is reduced, water, fertilizer and photo-thermal resources can be fully utilized, the rice saline-alkaline resistance stress capability is enhanced by means of a population effect, and high yield and income increase are finally achieved; and the method is strong in operability, easy to implement, low in cost and remarkable in production increase effect. The narrow-row and compact-planting transplanting method is mainly used for planting rice in the soda saline-alkaline land.

The invention discloses a comprehensive biological improvement method for severe saline-alkaline grassland. The method sequentially comprises the following steps: (1) applying a crop straw fertilizer as a base fertilizer to the earth surface; (2) conducting soil preparation; (3) sowing salt-alkali tolerant pioneer plants; (4) conducting grassland management. Leymus chinensis, awnless brome, roegneria kamoji, barnyard grass and sesbania which are extremely high in saline-alkaline tolerance and have certain waterlogging tolerance are used as basic plant materials, the corn straw fertilizer is used as a soil improvement additive material, the saline-alkaline tolerance and waterlogging tolerance plant materials are sown according to a certain proportion through the agricultural measure of shallow ploughing and turning or light raking, a stable and high-diversity mixed vegetation community is constructed, and the vegetation recovery effect is achieved; the corn straw organic fertilizer is selected, the soil pH is adjusted, meanwhile, the soil physical structure is improved, soil organic matter and nutrients are increased, a good soil biological environment is created, and formation and development of plant communities are promoted; and surface layer shallow turning or light raking measures are adopted, the saline-alkaline soil cementation phenomenon is effectively reduced, and the improvement cost is reduced.

The invention discloses an antirust epoxy paint. The invention is characterized in that the paint is prepared from the following raw materials in parts by weight: 56-59 parts of E-12 epoxy resin, 10-12 parts of butyl alcohol, 4-7 parts of maleic anhydride, 2-4 parts of triallyl isocyanurate, 1-2 parts of anti-aging agent MB, 12-14 parts of mica, 2-3 parts of terylen fiber, 8-10 parts of nano bentonite, 10-12 parts of tripropylene glycol diacrylate, 1-2 parts of phenyl glycidyl ether, 3-4 parts of 2,2-dimethoxy-2-phenylacetophenone, 1-2 parts of polyacrylamide, 4-7 parts of kieselguhr and 3-4 parts of dispersing aid. The dispersing aid enhances the optical properties, enables the paint to be dispersed uniformly and maintains the stability of the paint; and the paint has the advantages of high corrosion resistance, rust resistance and salt / alkali resistance for metals, high hardness, scratch resistance, high drying speed, simple preparation technique and low cost, overcomes the defects in the traditional epoxy paint, and is especially suitable to be used as a metal protective paint.

The invention discloses a metal epoxy protective paint which is prepared from the following raw materials in parts by weight: 40-45 parts of urethane acrylate, 30-42 parts of amino resin, 40-45 parts of E-12 epoxy resin, 6-8 parts of trimethylolpropane triacrylate, 1-2 parts of styrene, 2-3 parts of enclosed type isocyanate (TS280), 2-3 parts of ethylene glycol monobutyl ether, 3-4 parts of calcium naphthenate, 10-12 parts of titanium dioxide, 6-8 parts of kaolin, 2-3 parts of iron oxide red powder, 1-2 parts of copper powder, 2-3 parts of zinc powder, 4-5 parts of benzoin dimethyl ether, 9-12 parts of ethyl acetate and 3-4 parts of dispersing auxiliary. According to the dispersing auxiliary, the optical performance is improved, so that the paint is uniformly dispersed, and the stability of the paint is maintained. The metal epoxy protective paint has extremely strong corrosion resistance, rust resistance and saline-alkaline resistance, is high in hardness, resistant to scratch, simple in preparation process, overcomes the defects of the traditional epoxy paint and is especially suitable for back face protection of a metal plate.