103 results about "Disodium octaborate tetrahydrate" patented technology

The invention discloses an alkaline fertilizer composed of the following components in percentage by weight: 31-99.4% of macroelements, 0.5-50% of medium elements, 0.1-15% of microelements and 0-50% of synergic components, wherein the macroelements include two and even more selected from urea, diammonium phosphate, ammonium polyphosphate, dipotassium phosphate, tripotassium phosphate, potassium pyrophosphate, potassium tripolyphosphate, potassium nitrate, potassium carbonate, potassium sulfate, potassium chloride, potassium formate, potassium silicate and potassium hydroxide; the medium elements are one or more selected from calcium nitrate, calcium chloride, magnesium chloride, magnesium sulfate, EDTA calcium and EDTA magnesium; the microelements are one or more selected from ferrous sulfate, zinc sulfate, manganese sulfate, copper sulfate or an EDTA chelate of iron, zinc, manganese and copper, EDDHA iron, borax, disodium octaborate tetrahydrate and sodium molybdate; and the synergic components include one or more selected from sodium humate, potassium humate, sodium fulvate, potassium fulvate, sodium alginate, potassium alginate and a plant growth regulator.

The invention discloses a liquid compound trace element fertilizer and a preparation method thereof. The fertilizer comprises the following ingredients by weight percent: 0-1.0% of citric acid, 0-1.0% of ascorbic acid (vitamin C), 0-1.0% of hydroxylamine hydrochloride, 0-1.0% of sorbitol, 0-1.0% of xylitol, 0-1.0% of mannitol, 0.46-38% of ferrous sulfate heptahydrate, 0.13-24% of manganese sulfate monohydrate, 0.18-3.3% of copper sulfate pentahydrate, 0.25-2.3% of zinc sulphate monohydrate, 0.25-4% of disodium octaborate tetrahydrate, 0.08-1.5% of ammonium molybdate, and the balance of pure water, wherein the dosage of the citric acid, the dosage of the ascorbic acid and the dosage of the hydroxylamine hydrochloride cannot be 0 at the same time, and the dosage of sorbitol, the dosage of xylitol and the dosage of mannitol cannot be 0 at the same time. According to the invention, an antioxidant prepared from one, two or more of the citric acid, ascorbic acid and hydroxylamine hydrochloride can effectively inhibit ferrous ions from being hydrolyzed into ferric ions, so that the iron ion absorption efficiency is improved, and the color of the product does not change at a high temperature; the raw material resources are rich, the production cost is low, and the equipment and production technologies are simple.

The invention discloses an organic titanium-boron fertilizer. The fertilizer takes water as solvent and the compositions of the fertilizer in every liter of water are: 1 to 10g of organic chelated titanium, 0 to 10g of glucose, 0 to 1g of humic acid, 50 to 70g of disodium octaborate tetrahydrate 10 to 30g of triethanolamine, 0.1 to 0.3g of biologic peptide and 0.1 to 0.3g of stabilizing agent; moreover, the glucose is food-grade glucose, and the disodium octaborate tetrahydrate belongs to industrial grade . The organic titanium-boron fertilizer not only has high manurial effect, fast absorption and great yield increasing range, but also has convenient use and good water solubility; moreover, the fertilizer is safe, reliable and nonpersistent, thereby causing no toxic pollution on soil and crops.

The invention discloses an amino acid containing water-soluble fertilizer for citrus crops. The amino acid containing water-soluble fertilizer mainly comprises components in a weight ratio as follows: 8%-10% of compound amino acid, 15%-18% of monopotassium phosphate, 0.5%-0.8% of EDTA-Fe (ethylene diamine tetraacetic acid-Fe), 0.5%-0.8% of EDTA-Mn, 0.6%-1% of EDTA-Zn, 0.5%-0.8% of EDTA-Cu, 5%-10% of disodium octaborate tetrahydrate, 0.2%-0.5% of sodium molybdate, 0.2%-0.5% of composite alduronic acid, 0.2%-0.3% of carotenoid, 3%-5% of composite sugar alcohol, 4%-10% of a surfactant, 1%-3% of a chelating agent, 0.8%-1.2% of an organic solvent, 0.6%-1% of a pH conditioning agent and the balance of water.

The invention discloses a method for preventing fruit cracking of melons. The method comprises the following steps of: spraying equal mass solutions of 800-1000 times of nucleotides and 800-1000 times of cytokinins on the melons and leaves per 3-5 days; or spraying anti-cracking agents on the melons per 3-5 days on the basis of 500-1000g / mu, wherein the anti-cracking agents are composed of 1-2 weight parts of sodium borates, 0.5-4 weight parts of CaCl2, 0.2-1.5 weight parts of sodium selenate, 3-5 weight parts of zinc gluconate, 20-40 weight parts of sodium silicate and the balance of water; or spraying the anti-cracking agents on the melons and the leaves per 1-2 days on the basis of 200-300g / mu, wherein the anti-cracking agents are composed of the following components by weight percent: 0.5%-1% of disodium octaborate tetrahydrate, 10%-15% of EDTA (ethylene diamine tetraacetic acid) calcium complex disodium salt, 13%-15% of EDTA magnesium complex disodium salt, 5-8% of isopentennyladenine, 3%-4% of disodium EDTA-copper, 0.3%-0.6% of sodium molybdate dihydrate, 1.5-3.5% of boric acids and the balance of water. According to the method provided by the invention, the fruit cracking is effectively prevented and the yield and quality are both high.

The invention discloses a microelement-rich liquid urea ammonium nitrate solution fertilizer, which comprises 20-25 parts of urea, 20-30 parts of ammonium nitrate, 0.1-2 parts of liquid ammonia, 0.01-0.1 part of magnesium nitrate, 1-3 parts of sodium polyaspartate, 0.01-0.1 part of any one or a mixture of any more than two of ammonium carbonate, ammonium thiocyanate and ammonium bicarbonate, 0.02-0.08 part of an urease inhibitor, 1-2 parts of edta-2nacu tetrahydrate, 1-3 parts of ferric-sodium edentate, 1-3 parts of magnesium-disodium edetate, 1-3 parts of manganese-disodium edetate, 1-3 parts of zinc-disodium edentate, 1-3 parts of disodium octaborate tetrahydrate, 0.01-0.1 part of ammonium heptamolybdate, 1-3 parts of citric acid, 1-3 parts of an antifreezing agent PX-60 or polyethylene glycol PEG-200, and 16.5-41 parts of water. A product disclosed by the invention is high in safety, and pH value is 6-7; and due to the addition of an anticorrosive antiscale agent, the corrosion of products on production, storage, transportation and application facilities is effectively prevented.

The invention discloses a water-soluble fertilizer special for solanaceous vegetables and a preparation method and application thereof. The water-soluble fertilizer is made from 120-165 parts of polypeptides, 48-66 parts of mannitol, 24-48 parts of potassium fulvate, 15-20 parts of zinc sulfate monohydrate, 8-15 parts of iron sulfate heptahydrate, 6-12 parts of copper sulfate pentahydrate, 4.5-7.5parts of manganese sulfate monohydrate, 21-36 parts of disodium octaborate tetrahydrate, 0.3-1 part of sodium molybdate, and 1.5-4.5 parts of a disease and pest damage resist. The polypeptides, mannitol, potassium fulvate, trace elements and the disease and pest damage resist are scientifically matched in the fertilizer; the materials are mutually combined into the water-soluble fertilizer for soil planting and organic planting. The water-soluble fertilizer may be sprayed by means of drip irrigation and leaf spraying, can improve physiochemical properties of soil, can meet the requirements ofsolanaceous vegetables for organics and trace elements, can promote root growth for solanaceous vegetables and early flowering and fruiting of crops as well as early marketing, and can also effectively decrease disease and pest damage for solanaceous vegetables and improve their ability to resist disease and pest damage.

The invention provides water-soluble fertilizer for reinforcing the cold resistance of crops, as well as a preparing and using method thereof. The water-soluble fertilizer is prepared from the following raw materials in parts by weight: 300-320 parts of urea, 100-130 parts of monopotassium phosphate, 25-30 parts of diammonium hydrogen phosphate, 40-60 parts of bladder-wrack extract, 1-3 parts of vitamins, 5-7 parts of proline, 8-10 parts of glycine betaine, 10-12 parts of sorbitol, 4-6 parts of EDTA-Ca, 1-3 parts of DTPA-Fe, 1-2 parts of EDTA-Zn, 2-3 parts of disodium octaborate tetrahydrate,2-4 parts of nano-silicon sol, 10-15 parts of a pH regulator, 2-3 parts of stabilizer, 8-10 parts of surfactant and the balance of water. The water-soluble fertilizer can be used for effectively reinforcing the low-temperature stress resistance of crops to reduce output reduction caused by cold damage; and the method is simple in preparation steps, is applicable to large-scale industrial production application, is convenient to sue, and is favorable to popularization.

The invention discloses a special fertilizer for preventing and controlling hami melon fruit cracking and a preparation method of the special fertilizer. The fertilizer is formed by mixing the following substances in percentage by weight: 2 percent to 5 percent of disodium octaborate tetrahydrate, 40 percent to 60 percent of ethylenediamine tetracetic acid calcium sodium, 10 percent to 20 percent of ethylenediamine tetracetic acid magnesium sodium, 5 percent to 10 percent of diethylenetriamine pentaacetic acid ferrisodium, 5 percent to 10 percent of ethylenediamine tetracetic acid manganese sodium, 10 percent to 20 percent of ethylenediamine tetracetic acid zinc sodium, 2 percent to 5 percent of ethylenediamine tetracetic acid copper sodium, 0.2 to 0.5 percent of sodium molybdate dehydrate and 0.1 percent to 1.0 percent of solid surface active agents, and the total weight percentage is 100 percent. From the early fruit expansion period to the fruit maturation period of hami melons, the fertilizer is dissolved in water according to the quantity being 800 to 2500 times, the spraying on leaves is carried out for three times, and the interval is 10 days for each time. The fertilizer has the advantages that the fruit cracking rate of the hami melon can be effectively reduced, and meanwhile, the fruit quality of the hami melons can be improved.

The invention discloses a water-soluble fertilizer for inhibiting absorption and enrichment of heavy metal cadmium of rice and a preparation method thereof. The water-soluble fertilizer is prepared from the following components in percentage by weight: 2 to 3 percent of glycine, 2 to 2.5 percent of alanine, 3 to 4 percent of composite sugar alcohol, 22 to 24 percent of monopotassium phosphate, 10 to 12 percent of EDTA-Zn, 6 to 8 percent of EDTA-Fe, 0.3 to 0.5 percent of EDTA-Mn, 0.2 to 0.3 percent of EDTA-Cu, 1 to 1.2 percent of disodium octaborate tetrahydrate, 0.8 to 1 percent of a chelating agent, 1.5 to 2 percent of a surfactant, 0.6 to 1 percent of a pH regulating agent and the balance of water. The water-soluble fertilizer for inhibiting the absorption and enrichment of the heavy metal cadmium of the rice can reduce absorption accumulation of the heavy metal cadmium of the rice, ensure the eating safety of the rice and improve the quality of the rice, and accelerate the production increment of the rice.

The invention discloses a functional foliar fertilizer and a preparation method thereof. The functional foliar fertilizer is prepared from urea, sodium selenite, disodium octaborate tetrahydrate, potassium dihydrogen phosphate, fulvic acid, trace elements, garlic polysaccharide, pullulan, polyglutamic acid, ethylenediamine tetraacetic acid disodium salt, naphthylacetic acid, a zinc ion-porphyrin nanocomplex and water. The functional foliar fertilizer provided by the invention has the excellent performance of high efficiency, environmental protection, seedling strengthening, stress resistance and insect pest resistance, can quickly penetrate into plants after contact, and promote cell growth and division, and synthesis of nucleic acid and protein, delay organ abscission and crop senescenceas well as chlorophyllin synthesis, increase the photosynthetic rate and enhance the stress resistance, break apical dominance, and promote the robust rather than flourishing growth of plants, not only increases the total nutrient synthesis, but also coordinates the distribution relation of nutrition and reproductive growth, and greatly improves the crop yield and quality.

The invention discloses an automobile environmental-friendly brake rubber pipe material. The automobile environmental-friendly brake rubber pipe material is prepared from following raw materials, by weight, 96 to 100 parts of EPDM 4770R, 1 to 2 parts of azodiisobutyronitrile, 1 to 2 parts of disodium octaborate tetrahydrate, 3 to 5 parts of dl-benzoin, 2 to 3 parts of iso-octyl methacrylate, 1 to 2 parts of 1H-benzotriazole, 10 to 15 parts of kaolin, 8 to 10 parts of nano brick slag powder, 10 to 14 parts of dibutyl phthalate, 1 to 2 parts of promoter PZ, 1 to 2 parts of anti-aging agent 4010NA, 0.7 to 1 part of sulphur, and 20 to 30 parts of a composite filling material. Production cycle of the automobile environmental-friendly brake rubber pipe material is short; energy consumption is low; and compared with existing brake rubber pipe materials, the automobile environmental-friendly brake rubber pipe material possesses relatively high hardness, and tensile strength, and excellent heat resistance, and oxidation aging resistance.

The invention provides a multi-nutrition growth regulator special for soybeans and peanuts, mainly comprising the following components: potassium pyrophosphate trihydrate, potassium sulfate, disodium octaborate tetrahydrate, ammonium molybdate monohydrate, diethyl aminoethyl hexanoate 98% pulvis and mepiquat chloride 97% pulvis. 50 g of the multi-nutrition growth regulator is mixed with 30-50 kilograms of water (diluted by 600-1000 times) per mu in the fields of the soybeans and the peanuts for leaf surface spraying, and using time is from a flowering period to a pod bearing period for the soybeans and from the flowering period to an acicula forming period for the peanuts. The multi-nutrition growth regulator can effectively inhibit the nutrition growth of the soybeans and the peanuts, plays a role of vigorous growth control and can also reasonably provide the nutrients needed by the growth periods of the soybeans and the peanuts, thereby achieving the purposes of controlling the vegetative growth, promoting reproductive growth, shaping ideal plant types and improving the quality of the soybeans and the peanuts.

The invention discloses a titanium dioxide-containing wood preservative which comprises the following components by mass: 15%-25% of silicon sol, 1%-3% of isooctanol phosphate, 2%-5% of nano titanium dioxide, 5%-8% of potassium iodide, 1%-2% of fatty alcohol polyoxyethylene ether, 10%-15% of diammonium hydrogen phosphate, 4%-8% of zinc borate, 1%-4% of ammonium heptamolybdate, 4%-7% of disodium octaborate tetrahydrate, 0.5%-2% of sodium polyacrylate, 1%-2% of polyethylene glycol (PEG) and 20%-50% of water. The beneficial effect is that the titanium dioxide-containing wood preservative has good permeability, strong erosion resistance, low cost and other advantages, has good sterilization and anti-corrosion effect on treated wood, gives wood the effects of flame retardance, smoke suppression, enhancement, wear resistance, low tendency to crack, and the like, and the wood durability and dimensional stability and other functions are improved.

The invention belongs to the chemical industry technical field, and relates to a method for synthesis of disodium octaborate tetrahydrate by using a one-step boric acid. The method comprises the steps: placing one-step boric acid, a sodium-containing chemical product, water and an impurity removal agent in a reactor, stirring and heating to 60-120 DEG C, under a heat preservation condition, continuing stirring and heating for 0.5-2 h, filtering the obtained product, drying the filtrate at the temperature of 90-200 DEG C, preparing a powder, and thus obtaining disodium octaborate tetrahydrate having low impurity content. The method solves the problems that the product purity and the undissolved substance content difficultly meet agriculture, daily chemical industry and other industrial requirements in the production of disodium octaborate tetrahydrate with the one-step boric acid as a raw material due to high metal ion impurity content. The whole preparation process has the advantages of simple reaction process and easy control, and shows obvious competitive advantages and profit space.

The invention relates to fertilizer, in particular to instant microelement water-soluble fertilizer capable of increasing the soil organic matter content. The instant microelement water-soluble fertilizer capable of increasing the soil organic matter content is prepared form components in parts by weight as follows: 450-550 parts of concentrated molasses yeast powder, 8-15 parts of poly potassium aspartate, 50-80 parts of citric acid, 20-40 parts of sodium bicarbonate, 20-40 parts of disodium octaborate tetrahydrate, 150-300 parts of zinc sulphate monohydrate, 100-200 parts of manganese sulfate, 5-15 parts of iron EDTA (ethylene diamine tetraacetic acid), 5-15 parts of copper EDTA and 0.5-1.5 parts of ammonium molybdate. The fertilizer can be quickly dissolved, is fully water-soluble, can be applied to facility agriculture such as sprinkling and drip irrigation and the like and realizes integration of water and fertilizer and the efficiency of saving water, fertilizer and labor. The fertilizer can provide organic matters and various microelement nutrients for soil and crops after usage.

The invention discloses a multifunctional element-balance activating leaf fertilizer and a preparation method and application thereof. Each bag of multifunctional element-balance activating leaf fertilizer contains 325.7 g of urea, 150 g of monopotassium phosphate, 120 g of amino acid chelated iron, 213.7 g of amino acid chelated magnesium, 10.8 g of amino acid chelated copper, 62.8 g of amino acid chelated zinc, 109 g of amino acid chelated manganese, 11.7 g of disodium octaborate tetrahydrate, 75.8 g of amino acid chelated molybdenum, 20 g of aspirin and 0.5 g of sodium selenite. The preparation method is that all the raw materials are mixed evenly and then are split-charged, and each bag is 1100 g. According to the application, the leaf fertilizer is directly sprayed on the leaf surfaces of plants after being diluted with water to 30-45 times, and each bag of leaf fertilizer is used for application in 1 mu of land. The leaf fertilizer is simple to apply, the content of fertilizer nutrients, element balance and the water solubility, stability and activation ingredients of the fertilizer are remarkably improved, thus an application effect is good, and the multifunctional element-balance activating leaf fertilizer has a very good yield-increasing effect and an application prospect.

The invention discloses water-soluble fertilizer special for legume crops, and its preparation method and application method. The fertilizer is prepared by mixing monoammonium phosphate, diammonium hydrogen phosphate, potassium nitrate, potassium dihydrogen phosphate, magnesium sulfate, disodium octaborate tetrahydrate, copper disodium ethylenediaminetetracetate, disodium manganese ethylenediaminetetraacetate, disodium zinc ethylenediaminetetraacetate, sodium iron ethylenediaminetetraacetate, sodium molybdate, citric acid and sodium citrate at a certain proportion. By scientific proportioning of phosphorus, potassium and magnesium in the fertilizer, the phosphorus fertilizer can meet the requirement of flower bud differentiation for nutrients, and promote the absorption of potassium and magnesium. Due to the reasonable proportion of nitrogen, phosphorus and potassium macroelements and the reasonable usage of medium trace elements, the fertilizer meets the requirement of legume crops for phosphorus and potassium, supplements the medium trace elements, prolongs the harvesting time, and improves the yield and quality of legume crops.

The invention belongs to the technical field of fruit planting, and particularly relates to a planting method of juicy peach containing multiple trace elements. The planting method includes steps of (1), soil preparation; (2), fixed planting; (3), fertilization management; (4), pest control; (5), reshaping and trimming; (6), harvesting. Through using planting base fertilizer consisting of seaweedfertilizer, chelating agent, antioxidant and trace elements, the absorbing efficiency of crops can be effectively improved, and the juicy peach is rich in multiple trace elements and other nutrient components; the planting base fertilizer has extremely strong effect in promoting crops growth and improving its nutrition value; besides, by applying the leaf fertilizer, fruit expanding fertilizer andothers, the fruit tree has faster absorbing speed, the nutrition use is more sufficient; the planting base fertilizer is prepared from seaweed fertilizer, ascorbic acid, hydroxylamine hydrochloride,xylitol, mannite, iron vitriol, manganese sulfate monohydrate, blue copperas, zinc sulphate monohydrate, disodium octaborate tetrahydrate, magnesium sulfate, and ammonium molybdate.

The invention relates to an artistic design packaging film material, which is composed of the following components: barium petroleum sulfonate, zinc ethyl phenyl dithiocarbamate, vermiculite powder, phenyl dichlorophosphate, zeolite powder, ethoxyquin Phenoline, Sodium Metabisulfite, Disodium Octaborate Tetrahydrate, Diacylglycerol, Magnesium Oxide, Polyvinyl Chloride Resin, Polydimethylsiloxane, Tricresyl Phosphate, Diatomaceous Earth, Carbendazim, Phosphite, Polyurethane Rubber powder, Phytectin, Polycarbonate, Sodium Ricinoleate, Ethylene Glycol Salicylate, Styrene Acrylic Emulsion, Imperata. The art design packaging film material has a simple preparation process, and the prepared product has relatively superior flame retardancy, acid and alkali resistance, anti-mildew and antibacterial properties, and improves product performance.

The invention discloses a basalt fiber reinforced polyurethane composite door and window section which consists of the following raw materials in parts by weight: 50 to 80 parts of basalt fibers, 10 to 40 parts of polyurethane resin, 3 to 4 parts of poly butyl acrylate, 3 to 4 parts of bone black, 5 to 15 of parts of calcium carbonate, 0.2 to 0.4 part of disodium octaborate tetrahydrate, 0.1 to 0.3 part of 8-hydroxyquinoline, 2 to 3 parts of polyisoprene, 1 to 2 parts of aluminium triphosphate, 1 to 2 parts of polydimethylsiloxane, 2 to 3 parts of medical stone powder and 1 to 2 parts of performance additive. The basalt fiber reinforced polyurethane composite door and window section disclosed by the invention has the advantages of good heat preservation effect, high intensity, acid and alkali resistance, good aging resistance and the like and can be widely applied to the field of buildings.

The invention belongs to the field of chemical engineering, and particularly relates to aromatic disinfectant wet wipes and a preparation method thereof. The preparation method comprises the following steps that 2-bromo-2-nitropropane-1,3-propanediol, benzethonium chloride, disodium octaborate tetrahydrate and essence with fixed quantities are produced into disinfectant mixed solution, then the disinfectant mixed solution is dropped onto a piece of carrier towel to wet the carrier towel, the dropping quantity of the disinfectant mixed solution is counted as 1.5ml per gram of the towel, and the aromatic disinfectant wet wipe can be obtained after the towel is wetted. The aromatic disinfectant wet wipes can realize high-efficient and safe sterilization, are toxic-free and harmless to the human body, have a pleasant fragrance, are convenient to carry, can be stored for a long time, are low in price, are suitable for being used in fields such as hotels, restaurants and families and are ideal disinfectant products for outworkers and financial and accountancy personnel to use every day.

The invention discloses a fertilizer functional additive, a muskmelon special-use formula fertilizer and a preparation method thereof. The muskmelon special-use formula fertilizer is prepared from following components, in a blending manner, diammonium phosphate granules, ammonium nitrate phosphorus granules, potassium nitrate granules, potassium sulfate granules, magnesium sulfate monohydrate granules, zinc sulfate monohydrate granules and the fertilizer functional additive granule. The fertilizer functional additive granule is prepared from following components, in a compounding, mixing and granulating manner, EDTA calcium, EDTA iron, EDTA manganese, disodium octaborate tetrahydrate, sodium molybdate, anionic polyacrylamide, citric acid and poly amino polypeptide. The muskmelon special-use formula fertilizer has the excellent effects of regulating soil, activating nutrients, scientifically supplying nutrients, enhancing resistance and increasing yield and quality. The preparation method is simple, is low in consumption, and has a popularizing and applying value. The muskmelon special-use formula fertilizer has a high fertilizer efficiency, is reduced in use amount, can improve soil and increase fertilizer utilization rate, can increase the yield and improve the quality of muskmelons, can reduce production cost and is especially suitable for the tendency of zero-increase of chemical fertilizer use amount in modern agriculture.

The invention discloses a four-in-one method for corrosion-preventing, inflaming-retarding, hardening and air purification of wood. The four-in-one method comprises the following steps: sufficiently mixing water, disodium octaborate tetrahydrate, aluminum dihydrogen tripolyphosphate, boric acid and magnesium sulfate, dissolving for preparing a combined solution, and preparing wood to be treated, wherein the weight percentages of the chemicals in the combined solution are as follows in sequence: 12.5%-15%, 5-6%, 5-6%, and 2.5-3%; placing the wood to be treated into an airtight container, adding the combined solution, and heating to 120-132 DEG C, wherein the pressure is kept at 0.2-0.3Mpa for 16-28 hours. By virtue of the four-in-one method provided by the technical scheme of the invention, the special combined solution is used for dissolving for removing most grease and sediments in the wood, so that a plurality of tiny pipe holes axially communicated are formed inside the wood, meanwhile, exchange filing is realized in the pipe holes of the wood, so that the purposes of preventing corrosion, retarding inflaming, hardening and air purification treatment of the wood are realized, energy conservation and environment protection are facilitated, and industrial prospect is good.

The invention discloses a method for preparing disodium octaborate tetrahydrate. The method comprises the steps: mixing 30-35 parts by weight of boric acid and 35-40 parts by weight of borax pentahydrate, then, adding 10-15 parts by weight of water, heating to the temperature of 110-130 DEG C for dissolving, and carrying out heat-preserved reaction for 40-60 minutes; carrying out solid-water separation on reactants, so as to obtain solid particles; removing gas from the solid particles; processing the solid particles until the particle size is 300 meshes, thereby preparing disodium octaborate tetrahydrate. According to the method, through adjusting the reactants and the proportioning ratio thereof, the content of disodium octaborate tetrahydrate of a reaction product can be increased, so that the current situation that disodium octaborate tetrahydrate is enslaved to import restrictions in the aspects of agriculture and industry is solved.

The invention relates to a rice leaf fertilizer rich in trace elements of boron, molybdenum, selenium, chromium and cobalt and application thereof; the rice leaf fertilizer, per 150 parts by weight, is prepared from, by weight, 3.0-3.5 parts of sodium selenite, 60-70 parts of disodium octaborate tetrahydrate, 7.8-9.0 parts of ammonium molybdate, 15-16 parts of amino acid chelated cobalt, 14-16 parts of amino acid chelated chromium, 2.5-3.5 parts of aspirin, and the balance of sodium glutamate. Application includes: adding water to dilute the rice leaf fertilizer to 150-250 times, and spraying leaves at initial heading stage and full heading stage of rice respectively. The rice leaf fertilizer of the invention is simple to apply, the content of boron, molybdenum, selenium, chromium and cobalt in the rice can be correspondingly increased, and owing to antagonistic effect, the content of cadmium in rice is decreased, and damage of human bodies due to harmful elements is reduced at the premise of supplementing trace elements necessary to human bodies.

The invention discloses an asphalt waterproofing coating, comprising the following raw materials in parts by weight: 63-70 parts of silicone acrylic emulsion, 3-5 parts of asphalt, 2-3 parts of beewax, 0.5-1 part of sodium aluminate, 1-2 parts of orthocide, 0.2-0.3 part of hexafluoroacetylacetone, 0.7-2 parts of disodium octaborate tetrahydrate, 5-7 parts of fluorapatite, 4-5 parts of poly(butyl acrylate), 0.5-1 part of antioxidant 1010, 2-3 parts of konjac glucomannan, 0.4-1 part of 2-octyl-3(2H)-isothiazolone, 6-10 parts of fluorite powder, 3-5 parts of calcium sulfate dihydrate powder, 0.2-0.4 part of N-hydroxymethyl acrylamide, 6-7 parts of coalescing agent and 10-15 parts of deionized water. The bonding strength of the coating can be effectively improved by the asphalt, the beewax, the konjac glucomannan and the like added to the waterproofing coating disclosed by the invention, the bonding effect with a base material is enhanced, the stability and the peel strength of a film are improved, and the film is good in water resistance, good in acid and alkali resistance and strong in ageing resistance.

The invention discloses high-hardness heat radiating paint. The high-hardness heat radiating paint comprises the following raw materials in parts by weight: 90 to 95 parts of ultra high molecular weight polyethylene, 2 to 4 parts of aluminium silicate fibers, 1 to 2 parts of tungsten carbide, 0.3 to 1 part of imarcaptoacetate dioctyltin, 0.4 to 1 part of acetyl tributyl citrate, 2 to 3 parts of calcium aluminate, 5 to 8 parts of talcum powder, 1 to 2 parts of 1-ethoxy-2-oil-base imidazoline, 0.5 to 1 part of lead acetate, 1 to 2 parts of cetyl trimethyl ammonium bromide, 2 to 4 parts of hollow glass beads, 1 to 2 parts of disodium octaborate tetrahydrate, 4 to 6 parts of barium stearate and 7 to 13 parts of modified additive. The raw materials such as tungsten carbide are added to the powder paint, so that the surface hardness of a coating is improved, the mechanical properties such as the impact resistance can be improved, and the heat radiating performance of the coating can be enhanced by adding the hollow glass beads.

The invention discloses a soil conditioner for soil freezing in winter. The soil conditioner is made from the following raw materials, by weight part, 14-16 of fruit paste, 2-3 of calcium lignosulphonate, 3-5 of disodium octaborate tetrahydrate, 4-5 of a pyroligneous acid liquor, 25-26 of horse dung, 13-15 of rape seed cake, 8-10 of carbonized wheat husks, 10-12 of plant ash, 40-45 of polluted pig dung and urine, 10-11 of a black liquor from papermaking, 2.6-2.7 of a nitric acid solution with the concentration being 10%, 9-10 of a thick alum liquid and a proper amount of water. Through addition of hot raw materials including horse dung and rape seed cake, the soil conditioner can provide large heat during degradation in soil, and through addition of plant ash and fermented thoroughly-decomposed materials, the color of soil can be deepened, thereby improving the heat absorption capacity of the soil and increasing the temperature of the soil. Phenomenon that soil frozen in winter results in increased use cost of the soil and a bad effect on the yield of crops is prevented, and the soil in spring is unfrozen ahead of time, thereby increasing the economic benefit.