69results about How to "Common raw materials" patented technology

The invention discloses a graft modified polymer material, a polymer material adsorbing mercury ions prepared from the same and a preparation method thereof. The graft modified polymer material is prepared by grafting a polymer substrate P to a monomer A or monomer B, wherein the molecular structure of the monomer A comprises at least one C=C double bond and at least one epoxy group; and the molecular structure of the monomer B comprises at least one C=C double bond and at least one anhydride group. The epoxy group or anhydride group on the surface of the graft modified polymer material reacts with the terminal amino of a DNA (Deoxyribonucleic Acid) single strand with an amino-modified terminal to obtain the polymer material adsorbing mercury ions. The preparation process of the invention is simple; the prepared material can adsorb mercury ions with high selectivity; the lower limit on concentration for removing mercury ions is extremely low; and the invention has good application prospects in terms of drinking water treatment, industrial wastewater advanced treatment, recycling of mercury ions, and the like.

The invention belongs to the preparation field of the anode material of a lithium ion battery, and in particular relates to a method for preparing metal oxide electrode material with a nanometer structure by utilizing the in-situ synthesis method. The internal structure and the dimension of a hollow micro-sphere obtained are controlled through adjusting the pH value of a system by utilizing hydrochloric acid. Raw materials in the invention are common and are easy to obtain; an organic solvent is not required during the preparation process; the preparation process is simple; the synthesis of template materials and the participation of a surface active agent are not required during the synthetic process; the requirements to the device are low, the time consumption is less and the preparation process is simple; and a main by-product during the preparation process is water and carbon dioxide and is environment-friendly. The raw materials used in the invention are common; and the preparation conditions are not restricted by areas. The hollow tin dioxide micro-spheres have higher application prospect in the filed of electrode material, catalyst carriers and the like. The method has the advantages of cheap and easily obtained raw materials, simple preparation process, and unrestricted preparation conditions by areas, and is suitable for massive industrial production.

The invention discloses a magnetic carbon-based iron oxide compound material and a preparation method of the magnetic carbon-based iron oxide compound material. Particularly, the invention discloses a prepraation method of the magnetic carbon-based iron oxide compound material. The preparation method comprises the following steps of: (a) providing a mixture comprising a carbon-based precursor, elemental iron and a solvent; and (b) carrying out heating reaction on the mixture in the step (a), thus obtaining the carbon-based iron oxide compound material. The method has the advantages that materials are common and are easily available, and the process is simple, safe and effective and the like. The obtained compound material has stable magnetism, and is wide in application.

The invention relates to nourishment, in particular to jujube brown sugar and a preparation method thereof. The jujube brown sugar is characterized by comprising 90-98 weight percent of brown granulated sugar, 0.5-5 weight percent of jujube and 0.5-5 weight percent of ginger powder. The method for preparing the jujube brown sugar is characterized by comprising the following steps of grinding the jujube and the ginger powder into powders, adding the brown granulated sugar according to weight percentage, stirring and evenly mixing the brown granulated sugar with the jujube and the ginger powder to prepare the Jujube brown sugar. The jujube brown sugar has the efficacies of benefiting qi and enriching blood as well as inducing diuresis and removing edema and has the homology of medicine and food, great benefits for irregular menstruation, dysmenorrheal, anemia, and the like of females, common materials and low cost.

The invention discloses a health care potherb powder which comprises the following raw materials (by weight portion): Broussonetia papyrifera Vent. leaves 4-8 parts, carrot 1-2 parts, spinach 0. 5-1. 5 parts. The powder is prepared through steps of cleaning, sterilizing, drying with microwave oven, and disintegrating into 150-180 meshes.

The invention belongs to the technical field of aquatic feeds, relating to a special feed for living through the winter for tilapia. The special feed for living through the winter for the tilapia consists of raw materials and addictives. The invention is characterized in that the raw materials comprise the following components in parts by weight: 35 parts of rice bran, 35 parts of bean pulp, 13 parts of fish meal, 14 parts of wheat middling, 1.5 parts of meat and bone meal, 0.5 part of salt and 1.0 part of vegetable oil; the addictives are vitamin C and vitamin E, the content of the vitamin C is 800-1000ppm of the raw material by weight, and the content of the vitamin E is 100-200ppm of the raw material by weight; and the rice bran, the bean pulp, the fish meal, the wheat middling, the meat and bone meal and the salt are smashed, then fully mixed with the vegetable oil and granulated, drying and cooling are carried out, the vitamin C is prepared into a water solution with the concentration of 80-100g / l, the vitamin E is prepared into a vegetable oil solution with the concentration of 10-20g / l, the water solution with the concentration of 80-100g / l and the vegetable oil solution with the concentration of 10-20g / l are sprayed on the granulated mixture, and finally, sealed package is conducted after drying. The feed has high crude protein and crude fat contents and the added vitamins C and E, and has obvious effect with above 90% of overwintering survival rate in cultivating oreochromis aureus, gift tilapia and nile tilapia.

The invention relates to a preparation method of a nitrogen-doped carbon quantum dot and titanium dioxide composite material. The preparation method comprises the following steps: (1) using glucose and a solvent as raw materials, and putting the glucose and the solvent in a hydrothermal kettle inner container for a solvothermal reaction; (2) cooling to room temperature, performing suction filtration, collecting a filter liquor, and using an organic solvent to repeatedly wash the filter liquor; (3) dialyzing after the filter liquor is concentrated; (4) performing freeze drying after the product is concentrated again to obtain nitrogen-doped carbon quantum dots; and (5) obtaining the nitrogen-doped carbon quantum dot and titanium dioxide composite material through mixing and aging. The nitrogen-doped carbon quantum dot and titanium dioxide composite material prepared by the invention has excellent performance of photocatalysis methanolysis hydrogen production under sunlight, and has wide application prospect in the field of new energy sources.

The high-aluminum slag ball used as molten steel surface heat insulating and refining agent in smelting pure steel contains metal aluminum, alunina, titania, boron sesquioxide, calcium carbonate, fluorite powder and evitable impurity. With controlled silica, carbon, sulphur and phosphorus contents, the high-aluminum slag ball is suitable for use in smelting low-carbon and low-silicon pure steel or other super-pure steel. It has low water content to avoid molten steel sputtering and content of deoxygenating and alloying elements capable of being altered in wide range to suit for steel variety change. It has excellent performance of heat insulating for the surface of molten steel, and makes the deoxygenation and refining completed simultaneously to reduce included oxide in molten steel.

A preparation method of a steel ladle slag modifier for low-oxygen low-sulfur high-nitrogen steel belongs to the technical field of steel making, and is characterized by comprising the steps of mixing 30-40% of electrolytic aluminum, 40-50% of calcium oxide and 10-15% of fluorite according to ratio, adding washer fluid, mixing uniformly, then pressing to be balled, drying to obtain the steel ladle modifier, wherein the aluminum ash comprises the following components by weight percent: 15-10% of Al, 25-35% of AlN, 35-50% of Al2O3, 2-5% of SiO2 and 10-15% of NaCl. The preparation method has the advantages that the waste, namely aluminum ash of an aluminum manufacturer plays the roles of deoxidizing, removing sulfur and increasing nitrogen for the steel ladle slag modifier in steelmaking production, so that aluminum powders do not need to be added. The modifier is added into a steel ladle after the steel tapping of molten steel, the content of FeO in the steel ladle slag is reduced to be below 5%, T[O] and [S] in steel respectively reaches to be below 20ppm and 75ppm, the content of [N] in steel is increased to be more than 77ppm, and the cleanliness of the molten steel is improved.

The invention provides an electrolyte used for preparing a nano-ceramic coating by micro-arc oxidation, as well as a method utilizing the electrolyte to conduct the surface treatment to aluminum or aluminum alloy surface for acquiring the nano-ceramic coating. The electrolyte is added with 0.2 to 1.0g / L of Al2O3 nano-powder. The Al2O3 nano-powder has a particle diameter of 10 to 50nm. The nano-ceramic coating material and the method for the production thereof mainly have the advantages of: (1) rather smooth surface of the prepared nano-ceramic coating and reduced roughness; (2) rather even distribution of micro-hardness; and (3) low-priced and common materials, simple process, low cost and being favorable for the industrialized production.

The invention discloses a functionally gradient covalent organic framework membrane. The functionally gradient covalent organic framework membrane is prepared from polyethersulfone and a covalent organic framework. Preparation steps comprise the following steps: taking 1,3,5-triformylphloroglucinol and hydrazine hydrate as monomers; carrying out condensation polymerization reaction in 1,3,5-trimethylbenzene and an ethanol solvent; washing a product through tetrahydrofuran, acetone and dichloromethane in sequence; then carrying out wet-phase grinding to obtain the covalent organic framework TpHZ; dispersing the covalent organic framework TpHZ into N,N-dimethylformamide and mixing with the polyethersulfone to form a membrane casting solution; adding a certain amount of the volatile solvent tetrahydrofuran; carrying out steps including scraping, non-solvent induced phase separation, surface segregation, immersion, drying and the like on the membrane casting solution to obtain the functionally gradient covalent organic framework membrane. The functionally gradient covalent organic framework membrane has the advantages of simple and convenient preparation process, strong controllability, easiness for obtaining the raw materials and common method. The prepared membrane is used for realizing pervaporization of an ethanol-water solution system and has high permeation flux and high selectivity on water molecules; the composite membrane has good operation stability at high temperature.

The invention discloses a sodium alginate hybrid membrane filled with hollow ZIF-8 nanoparticles. The sodium alginate hybrid membrane is prepared from sodium alginate and hollow ZIF-8 according to a mass ratio of 100 to (2-10), wherein the hollow ZIF-8 is prepared from zinc acetate dihydrate and 2-dimethyl imidazole according to a molar ratio of 1 to 1. A preparation method of the sodium alginatehybrid membrane comprises the following steps: firstly, obtaining the hollow ZIF-8 nano particles; then, dispersing the hollow ZIF-8 nanoparticles into deionized water, and mixing the dispersion liquid with sodium alginate to prepare a casting membrane solution; spin-coating a polyacrylonitrile base membrane with the casting membrane solution, drying, crosslinking, and re-drying to obtain the sodium alginate hybrid membrane. The preparation method has the advantages of being simple and convenient in preparation process, high in controllability, easy in obtaining of raw materials, universal inmethod, and the like. The prepared sodium alginate hybrid membrane can be used for pervaporation of an ethanol-aqueous solution system, and has high permeation flux and high selectivity to water molecules; furthermore, the hybrid membrane has good operational stability at the high temperature.

The invention discloses a green tea strain health-preserving and health-care beverage and a manufacture method thereof. The beverage comprises the following ingredients: 0.8 to 1.4 percent of green tea, 2 to 3 percent of glucose, 0.05 to 0.1 percent of strains and the rest of water. The green tea strain health-preserving and health-care beverage has the beneficial effects that raw materials are common, the processing is simple and convenient, and good medical effects and nutrition values are realized.

The invention relates to lignin serial coal water slurry dispersing agent and a preparation method thereof, and belongs to the technical field of dispersing agent which is prepared by coal water slurry. The dispersing agent comprises the following raw material components in parts by weight: 1,000 parts of alkali lignin, 20 to 50 parts of polyethylene glycol, 2 to 10 parts of carboxylic acid, 1 to 5 parts of concentrated sulfuric acid, 0.1 to 1 part of hydroquinone, 20 to 60 parts of acrylic acid, 60 to 150 parts of vinyl monomer, 200 to 400 parts of sodium sulfite, 300 to 500 parts of acetaldehyde solution, 30 to 50 parts of oxidant and 10 to 20 parts of reducing agent. Compared with the prior art, the lignin serial coal water slurry dispersing agent adopts the alkali lignin as a raw material, so that the cost is reduced, the average molecular mass of the lignin is remarkably improved, the hydrophily is obviously enhanced, and the dispersing effect is prominently improved; and in addition, the dispersing agent has the advantages of low cost, simple preparation technique, more generality of raw materials, wide sources of the raw materials, cheaper price and good modifying effect; and the resource utilization is implemented for wastes, so that the environmental pollution from the wastes is reduced.

The invention discloses a kelp-seaweed cake, which is prepared from the following raw materials in weight part: 100-175 parts of sticky rice, 30-75 parts of polished round-grained rice, 5-10 parts of sorbitol, 30-65 parts of malt sugar, 30-75 parts of soybean, 4-6 parts of kelp, and 4-6 parts of seaweed. The kelp-seaweed cake has the benefits of clearing heat, dissolving phlegm and softening hard mass, and resolving hard lump.

The invention discloses a preparation method of nano TiO2 thin-film material. The method comprises the following steps: firstly, preparing a pure titanium sheet into rectangular sheets of 25*15*2mm, secondly, pretreatment of the titanium sheet: sanding, degreasing, hydrochloric acidizing fluid rinsing, ultrasonic deionized water washing and vacuum drying, thirdly, laying the pretreated titanium sheet on micro-arc oxidation equipment, so as to be conducted to micro-arc oxidation, taking the titanium sheet as anode to be dipped into treating fluid and a stainless steel container with a cooling system as cathode, and fourthly, performing deionized water washing and drying to an obtained nano TiO2 thin-film, and then performing ion dipping to the thin-film, wherein experiment parameters are as follows: voltage is 420V, the preparation time is 30min, the content of Na3PO4 in a phosphate electrolyte system is 10g / L, the content of NaF is 1g / L, and the electrolyzing temperature is controlled to be below 35 DEG C. The method has the advantages that the photocatalytic degradation rate of the nano TiO2 thin-film exceeds 50 percent, the raw material is chip and common, the technology is simple, the cost is low, and the method is beneficial to industrial production.

The invention discloses pickled vegetable brine produced by using white wine byproducts, and a preparation method thereof. The pickled vegetable brine is prepared by taking esterified residual liquid as basic materials and other auxiliary materials in parts by weight in 1L of esterified residual liquid, including 5-8g of clove, 10-30g of green pepper, 5-40g of ginger, 3-10g of lysimachia sikokiana, 2-8g of pepper, 5-8g of anise, 5-10g of diphtheria, 3-10g of orange peel, and 20-50g of edible salt. The pickled vegetable has high shelf life, and is not heated in preparation process; the esterified residual liquid contains abundant organic acid, so as to be capable of effectively restraining the other bacteria infection; the pickled vegetable does not produce flowers, is long in shelf life, short in fermentation time, and can be eaten after the vegetables are soaked for hours at normal temperature; and the pickled vegetable is acid and crisp and tasty in mouthfeeling, thick in fragrance,proper for both acid and hot, unique in flavor, and is bright in color and good in luster.

The invention discloses a cassia seed cake, which is prepared from the following raw materials in weight part : 700-800 parts of sticky rice, 300-400 parts of long-shaped rice, 350-450 parts of malt sugar, 30-50 parts of hawthorn, 10-15 parts of fried cassia seed, and 5-10 parts of feverfew. The cassia seed cake has the benefits of clearing liver, improving vision, dispelling wind, clearing heat, promoting digestion and eliminating indigestion.

The invention discloses a low-cost solid screw cleaning agent. The low-cost solid screw cleaning agent is prepared from the following components in parts by weight: 15-35 parts of matrix resin, 65-85 parts of inorganic powder, 0.3-0.8 part of antioxidant and 3-8 parts of lubricant, wherein the inorganic powder is prepared by mixing the following raw materials in percentage by mass: 70-80% of silicon dioxide, 15-25% of aluminum oxide and 0-5% of second metal oxide. The screw cleaning agent prepared by the invention has the advantages of convenient processing, low cost and convenient cleaning process, belongs to a nontoxic pollution-free material, has the characteristics of simple preparation process, efficient screw cleaning and the like, can be widely used for the screw cleaning process in the twin screw engineering plastic granulation industry, and can greatly reduce the consumption of a resin machine-cleaning material.

The invention discloses a high-hardness wear-resistant WC-17Co ceramet coating formed through H13 steel surface supersonic flame spraying. The preparation method of the ceramet coating comprises the following steps: spraying the ceramet powder on the surface of the substrate by supersonic flame spraying to obtain the ceramet coating; the ceramet powder is tungsten carbide based ceramic powder; theceramet powder is WC-17Co ceramic powder. The preparation method of the ceramet coating has the advantages of low price, simple process, low cost and high production efficiency, and is beneficial toindustrial production. The WC-17Co ceramet coating can strengthen the surface of the H13 steel matrix, thereby prolonging the service life of various profile moulds prepared with H13, such as hot working dies.

The invention discloses three-flower cake which comprises the following raw materials in part by weight: 700 to 800 parts of glutinous rice, 300 to 400 parts of long-shaped rice, 350 to 450 parts of maltose, 20 to 30 parts of rose, 20 to 30 parts of jasmine flower and 20 to 30 parts of bitter citrus immature flower. The three-flower cake has the benefits of soothing the liver, harmonizing the stomach and regulating the flow of qi.

The invention discloses a field high-flux identification method for bacterial wilt resistance of sesamum indicum varieties. The identification method comprises the following steps: (1) cultivating a natural identification disease nursery; (2) carrying out land preparation and sowing; (3) carrying out disease nursery management; and (4) carrying out disease resistance evaluation. According to the identification method, through cultivating the natural disease nursery, the uniformity and consistency of field onset are guaranteed, and the accuracy and repeatability of the identification method are improved; and moreover, through guaranteeing the soil humidity of the natural identification disease nursery and determining the plant spacing of final thinning and the density of cultivation, the quantity of sesamum indicum varieties capable of being evaluated in one time is 2.5 times or more that of specification DB36 / T 879-2015 in the prior art under the condition of the same expense and natural disease nursery area, the identification efficiency is increased while high accuracy and repeatability are guaranteed, the contradiction between short appropriate identification time and long required identification cycle is solved, and the selective breeding and popularization and application of disease-resistant varieties are accelerated and propelled.

The invention discloses a ceramic composite coating for enhancing the high-temperature-abrasion resistance of a steel surface of a hot work die and a preparing method of the ceramic composite coating. The preparing method includes the following steps that a mixture of Cr2O3 and SiO2 is sprayed to the surface of a base body through plasma spraying, so that the ceramic composite coating is obtained, wherein the mixture comprises, by mass percentage, 94% to 100% of Cr2O3 and 6% to 0 of SiO2, however, the adding amount of Cr2O3 does not reach 100%, and the adding amount of SiO2 does not reach zero. The ceramic composite coating and the preparing method of the ceramic composite coating have the following beneficial effects that the ceramic composite coating is high in microhardness, low in high-temperature friction coefficient, good in high-temperature-abrasion resistant performance and resistant to oxidization; by the adoption of the preparing method of the ceramic composite coating, raw materials are cheap and common, the technology is simple, cost is low, and industrial production is facilitated. The ceramic composite coating can achieve the effect of enhancing the surface of the base body of the hot work die, so that the service life of the hot work die is prolonged.

The invention relates to a method for preparing an adhesive, in particular to a method for preparing a thin paste for mounting. 35 parts (parts by weight) of clear water are poured into the pot and heated to boiling. Put 1 part of ordinary cornstarch and 10 parts of water into the basin, and stir it by hand until there is no sediment. Quickly pour boiling water directly into the basin. When flushing, it should be fast and vigorous, and it should be done in one go. After flushing, there is no need to stir, and it should be allowed to stand at room temperature. If the paste is too thick during use, add some water to dilute it. The invention has common raw materials, simple production, ready-to-use, low cost and good effect.

The invention provides bionic self-healing asphalt and a preparation method thereof. The bionic self-healing asphalt is prepared from matrix asphalt and a bionic self-healing asphalt modifier, wherein the bionic self-healing asphalt modifier is prepared from a self-healing component. A material which has swelling property and autonomously propagates and crystalizes at normal temperature is taken as the self-healing component, and is combined with the common matrix asphalt in the art to simulate a human body healing system, so that on the premise of not affecting the pavement performance of swelling the asphalt, the obtained bionic self-healing asphalt enables a road to have an autonomous healing function like a human body; the bionic self-healing asphalt has the functions of swelling and autonomously propagating and crystalizing, the preparation method is simple, the production cost is low, and the prepared bionic self-healing asphalt has the effects of autonomously healing cracks and effectively reducing cracking, and furthermore other properties of the asphalt are not affected.

The invention discloses an internal mixer cleaning material and a preparation method thereof and belongs to the technical field of high molecular materials. The internal mixer cleaning material is prepared from, by weight, 10-20 parts of basic resin, 80-90 parts of inorganic powder, 0.1-0.2 parts of an antioxidant, and 0.2-0.4 parts of a demolding agent. The internal mixer cleaning material is prepared from wear-resistant mineral fillers, wherein low-melt-index and high-viscosity resin is used as a basic material, so that the internal mixer cleaning material can effectively clean various parts, even dead angles, in an internal mixer, especially the yellow and black accumulated materials, formed by high-temperature aging and degradation, nearby a heating piece when the internal mixer is started for the first time after shutdown. The cleaning material can effectively remove residual materials and black stains in the internal mixer and effectively guarantee products to be clean and free of black stains.

The invention provides a method for culturing microalgae with pig farm biogas slurry and making full use of the microalgae to produce bio-oil. The method comprises the following steps of: preparing a5-20% microalgae culture solution by using the pig farm biogas slurry, and inoculating the microalgae into the culture solution for culturing; grinding the microalgae cultured by the pig farm biogas slurry and quartz sand according to a certain mass ratio, and adding an organic solvent for extraction to realize extraction of microalgae grease and preparation of microalgae residue; carrying out esterification reaction on the microalgae grease to obtain bio-oil; and pyrolyzing the microalgae residue in a cracking device at 300-800DEG C in an atmosphere of inert gas to prepare the bio-oil again.On the basis of the existing pig manure biogas engineering, the pig farm biogas slurry is used for culturing microalgae, so that purification treatment of the pig farm biogas slurry is realized, and alarge amount of biomass energy is accumulated; by adding the additives into the biogas slurry, the growable biomass and grease content of microalgae in the biogas slurry are improved; and through full utilization of the microalgae, the energy utilization potential of the biogas slurry and the microalgae is improved, and the energy problem is relieved to a certain extent.

The invention discloses a preparation method of nano manganese oxide. The method comprises the following steps: ascorbic acid is added into acetum, and then the nano manganese oxide is obtained after the ascorbic acid and the acetum are stirred, mixed to be uniform, dried and roasted; the concentration of manganese acetate solution is 20 to 50 percent, the mol ratio of the ascorbic acid to manganese is (0.5 to 3):1, the stirring temperature is 40 to 80 DEG C, and vaporizing solvent is kept within the temperature range; the drying temperature is 110 DEG C; and the roasting temperature is 320 to 450 DEG C, and the roasting time is 2 to 10 hours. The method has the advantages that the production process flow is simple, material is common and easily available, and the particle size of obtained manganese oxide powder is smaller than 100nm.

The invention discloses a preparation method of a linear thermal-reversible polyurethane polymer with flame retardancy. The preparation method comprises the following steps: step (1) melting and stirring polyol and a halogenated bisphenol chain extender at 60-80 DEG C for 10-30 min, wherein a molar ratio of the polyol to the halogenated bisphenol chain extender is (2-3) : 1; and step (2) adding anisocyanate compound into a mixture according to a molar ratio of NCO to OH of 0.97-1.02, rapidly stirring for 2-5 min, then placing in a vacuum oven at 70-100 DEG C, curing for 3-5 h, and slowly cooling to room temperature. The preparation method provided by the invention has the advantages of readily available reaction raw materials, simple method and convenient operation, and has great significance in actual application of thermoplastic polyurethane.