163results about How to "Fine foam" patented technology

The invention provides an efficient environment-friendly silicon-based foam extinguishing agent synergistically compounded by a multi-silicon surfactant and a preparation method of the efficient environment-friendly silicon-based foam extinguishing agent. The cleaning agent is prepared from raw materials in percentage by mass as follows: 5%-35% of an ionic silicon surfactant, 5%-35% of a nonionic silicon surfactant, 0.1%-3% of a polysaccharide foam stabilizer, 1%-10% of a cosolvent, 0.1%-10% of a preservative, 1%-10% of an antifreeze agent, 0.1%-5% of a regulator and the balance of deionized water. According to the invention, the ionic silicon surfactant and the nonionic silicon surfactant are compounded for use, hydrophobic and oleophobic tetrasiloxane groups and trisiloxane groups are used as spreading agents of an oil-water interface, and the formula of the foam extinguishing agent only contains the silicon surfactant; the liquid fuel fire extinguishing agent does not contain a forbidden fluorocarbon surfactant and a hydrocarbon surfactant with an oleophylic end, so that the environmental hazard of the fluorocarbon surfactant is completely eradicated, the oleophylic property of the foam fire extinguishing agent is eliminated, and the liquid fuel fire can be extinguished. The invention has positive significance on environment protection, human health protection and sustainable development of foam fire extinguishing technology.

The invention discloses a beneficiation method for efficiently recovering barite from heat treatment drilling waste. The beneficiation method comprises the following steps that (1) the drilling waste containing the barite is subjected to wet screening classification; (2) performing magnetic separation on the undersize product to obtain a magnetic product and a non-magnetic product; (3) carrying out primary roughing and primary concentration on the non-magnetic product to obtain a barite powder product 1; and (4) the roughing tailings are subjected to scavenging for three times, scavenged concentrates are combined and then subjected to fine selection for two times, and a barite powder product 2 is obtained. According to the method, barite in the heat treatment drilling waste is efficiently recycled by adopting a beneficiation method, two different grades of barite powder products are obtained and can serve as drilling fluid raw materials to be recycled, resource utilization of the waste is achieved, and meanwhile environmental hazards are reduced.

The invention relates to the technical field of foam drainage agents, and particularly discloses a salt-resistant foam drainage agent for natural gas exploitation and a preparation method of the salt-resistant foam drainage agent. The preparation method of the salt-resistant foam drainage agent for natural gas exploitation comprises the following steps: (1) dissolving modified amine oxide, mixing with silicon dioxide hollow spheres, carrying out reduced pressure treatment for 0.5-1 hour, and standing at normal pressure to obtain a mixture marked as M; and (2) crushing glass fibers, dispersing with chloroform, mixing with No.58 paraffin, treating at 75-80 DEG C for 10-30 minutes, adding a mixed cross-linking agent, stirring for 2-2.5 hours, keeping the temperature at 60-65 DEG C to obtain a film sealing solution, filtering M to take a precipitate, mixing with the film sealing solution, standing for 0.5-1 hour, filtering again to take a precipitate, and cooling to obtain the salt-resistant foam drainage agent for natural gas exploitation. The salt-resistant foam drainage agent for natural gas exploitation has the advantages of good foaming effect and long acting time.

The invention relates to the technical field of foaming agents, and discloses a high-temperature-resistant foaming agent and a preparation method thereof. The high-temperature-resistant foaming agent is obtained by adding sulphobetaine modified benzoxazine, melamine benzene sulfonate modified polyoxyethylene ether, lauryl sodium sulfate and a polyvinyl alcohol foam stabilizer into water, stirring and mixing. The benzoxazine structure has relatively high rigidity and stability at a high temperature; sulfobetaine is an ampholytic surfactant and has high foaming capacity, sulfonic acid groups are high in temperature resistance, and the foaming performance and the high temperature resistance of the foaming agent are improved; melamine molecules are not easy to decompose at high temperature, so that the high temperature resistance of the foaming agent is improved; polyoxyethylene ether is a nonionic surfactant and has remarkable surface activity, the sulfonic acid group anions and the polyoxyethylene ether nonionic surfactant play a synergistic role, mixed micelles are formed in an aqueous solution, and the foaming performance of the foaming agent is improved.

The invention discloses selenium disulfide shampoo with a good suspension effect and a preparation method of the selenium disulfide shampoo. The selenium disulfide shampoo comprises the following raw materials in percentage by weight: 0.05-1% of selenium disulfide particles; 0.2-6% of a high-molecular polymer capable of suspending selenium disulfide particles; 0.5 to 5% of a polyol; and 0.05%-0.1% of a chelating agent. The selenium disulfide shampoo has the advantage of being good in suspension effect, and the problems that in the using process of existing selenium disulfide shampoo, due to the fact that the dispersion uniformity and suspension stability of selenium disulfide in the shampoo are poor, the selenium disulfide is likely to be precipitated in a shampoo container, the concentration of the selenium disulfide before and after use is different, and the selenium disulfide cannot be precipitated in the shampoo container are solved. The treatment effect of the selenium disulfide shampoo on a patient is influenced.

The invention relates to a preparation method of a supercritical foaming polylactic acid material, and belongs to the technical field of foaming polylactic acid.The preparation method comprises the steps that a polycaprolactone-polylactic acid copolymer and a chain extender YMX-06 serve as modifiers to prepare modified polylactic acid granules, so that the strength and ductility of polylactic acid melt are improved, and the foaming temperature and pressure are reduced; in a supercritical state, carbon dioxide has high diffusivity and low viscosity, so that the carbon dioxide can uniformly permeate into a modified polylactic acid granule matrix to form tiny bubbles, the bubbles are not easy to collapse in a bubble growth stage, the pore size distribution uniformity is good, the sizes of the bubbles are small, and the walls are thin; compared with pure polylactic acid, the obtained modified foaming material is higher in foaming ratio, lighter, better in heat retaining property and high in mechanical strength. The ultralight, environment-friendly and foaming agent residue-free degradable foam material can be used in the fields of building insulation, cold-chain transportation, anti-collision packaging and the like.

The invention discloses an emulsified amino acid cleaning product and a preparation method thereof, and belongs to the technical field of cosmetics. According to the emulsified amino acid cleaning product provided by the invention, the components with proper mass percent are selected, and the components have a good compounding effect, so that the obtained emulsified amino acid cleaning product has good foaming performance, is rich, fine and stable in foam, and is fine and smooth in paste and excellent in stability; after use, the percutaneous moisture loss of the skin can be effectively reduced, and the water-retaining property of the skin is improved.

The invention relates to the field of novel polymer materials, and particularly discloses a degradable expandable polylactic acid polymer foam material and a preparation method thereof, the degradable expandable polylactic acid polymer foam material comprises the following raw materials: a polylactic acid-starch-polyamide blending modified mixture, polylactic acid foam material waste leftover materials, a foaming agent, a nucleating agent and an activating agent; the preparation method comprises the following steps: melting and mixing polylactic acid, acylated starch and polyamide in proportion to prepare a polylactic acid-starch-polyamide blending modified mixture, weighing the polylactic acid-starch-polyamide blending modified mixture, mixing the polylactic acid-starch-polyamide blending modified mixture with the polylactic acid foaming material waste leftover materials, the foaming agent, the nucleating agent and the activating agent, and performing extrusion molding to obtain the polylactic acid foaming material. Extruding and pelletizing to obtain foaming master batch, and foaming and forming; the preparation method has the characteristics that the expandable performance of the polylactic acid material is improved, and the prepared polylactic acid foam material is more uniform in cell size distribution, small in cell size and excellent in mechanical property.

The invention relates to the technical field of fire extinguishing agents, and discloses a fluoride-free anti-solubility foam fire extinguishing agent and a preparation method thereof.The fluoride-free anti-solubility foam fire extinguishing agent comprises a hydrocarbon surfactant, a carboxyl modified organosilicon surfactant, a foam stabilizer, a cosolvent, water and a pH regulator; the carboxyl modified organic silicon surfactant is obtained by modifying an organic silicon surfactant by using maleic anhydride; the foam stabilizer contains xanthan gum and a component A, according to the invention, the organosilicon surfactant is modified, so that the obtained carboxyl modified surfactant has good surface activity and water solubility; xanthan gum and a component A (polyethylene oxide-polypropylene oxide-polyethylene oxide and other substances) are compounded to serve as a foam stabilizer, so that the foam stability and the anti-dissolving performance can be improved, and the foam stabilizer also has temperature-sensitive-thermal response performance; under the combined action of the components, the fire extinguishing agent provided by the invention has excellent fire extinguishing performance and can quickly extinguish non-polar fuel and polar fuel.

The invention discloses a chitosan-casein peptide nano-particle and a preparation method and application thereof, and belongs to the technical field of food manufacturing, chitosan and casein peptide are combined into a nano-composite with the particle size of 10-1000 nm through electrostatic interaction in a non-covalent binding mode, and the nano-composite is used for preparing the chitosan-casein peptide nano-particle. A more stable oil-in-water emulsion can be prepared by utilizing the nano composite; the invention also provides a preparation method and application of the chitosan-casein peptide nanocomposite, and a preparation method of the oil-in-water emulsion. The nano-composite prepared by the invention has relatively strong oxidation resistance, foamability and foaming stability when the ratio of chitosan to casein peptide is 1: 1, and an oil-in-water emulsion prepared from the nano-composite has good storage stability, pH stability and ion stability. The preparation method of the nanocomposite is simple and low in cost, and has a good application prospect.

The invention provides a preparation method and application of an ilmenite collecting agent, and the ilmenite collecting agent comprises, by mass concentration, 4%-12% of higher fatty acid, 15%-30% of a complexing agent, 5%-7.5% of sodium hydroxide, 1%-3% of a surfactant and 47.5%-75% of water. Wherein the higher fatty acid is modified oleic acid or a mixture of oleic acid and modified oleic acid; the modified oleic acid is 9-hydroxy octadecenoic acid or 10-hydroxy octadecenoic acid. The modified oleic acid is prepared from concentrated sulfuric acid, oleic acid and a sodium hydroxide solution. And the freezing point of the collecting agent is increased through the modified oleic acid, and the low-temperature resistance is improved. And when the pH is 2.5, the recovery rate of titanium dioxide reaches 60% or above after the collecting agent is added, and the acid resistance of the collecting agent is improved. The surfactant can stabilize foam, wet the mineral surface and reduce the mineral surface tension. The complexing agent can provide high selectivity and collecting capacity, and the technical problem that titanium concentrate and gangue minerals are difficult to efficiently separate through a conventional flotation reagent is solved. The preparation method is simple and easy for large-scale production.

The invention discloses a resveratrol microcapsule and a preparation method thereof. According to the resveratrol microcapsule, cross-linked protein is used as a microcapsule wall material, resveratrol is used as a microcapsule core material, and the mass ratio of the cross-linked protein to the resveratrol is (6-14): 1. According to the invention, the gluten protein and the peanut protein are used as raw materials, and the cross-linked protein prepared by an ultrasonic-assisted enzyme method is used as a wall material, so that the chemical stability, the water solubility and the bioavailability of the resveratrol can be improved. According to the method, the gluten protein and the peanut protein are used as raw materials, and an ultrasonic-assisted enzyme method is matched, so that intramolecular and intermolecular crosslinking of heterologous protein is realized, the protein forms a spatial network structure, the thermal stability and water (oil) holding capacity of the protein are improved, the emulsibility and foamability of the protein are improved, and the quality of a protein product is improved. Compared with single protein embedding, the cross-linked protein can achieve a better protection effect on the resveratrol.

The invention discloses a flame-retardant and wear-resistant low-smoke halogen-free material and a preparation method thereof, and belongs to the technical field of polyacrylate processing.The preparation method comprises the following steps that cured polyacrylate, flame-retardant capsules and auxiliary materials are added into a double-screw extruder to be subjected to melt extrusion, and the flame-retardant and wear-resistant material is obtained; the flame-retardant capsule is prepared and cross-linked with a modified polyacrylate chain segment, so that the wear resistance of the material is remarkably enhanced, the material structure damage is repaired at room temperature, the shell layer is decomposed to release water at high temperature, and the shell layer and a core layer monomer are synergistically matched to form a flame-retardant layer; the prepared flame-retardant curing agent reacts with a flame-retardant polyacrylate chain segment to form a five-membered ring structure to enhance the wear resistance of the material, and the flame-retardant structure cooperates with flame-retardant groups on a flame-retardant capsule, a five-membered ring and an organic chain segment to enhance the flame retardance of the material.

Non-oxidizing 2-in-1 cleaning and disinfecting frothing compositions of the present disclosure comprise a cationic biocide, one or more frothing nonionic surfactants, a basicity source, and water. The 2-in-1 foaming composition is particularly suitable for ex-situ cleaning (COP) processes and is effective in cleaning and disinfecting hard surfaces and objects in a single step. The 2-in-1 foaming composition is effective in removing soil, including heavy fat and protein soil, and provides stable, rich foam. Methods of using the 2-in-1 cleaning and disinfecting frothing compositions are also provided.

The invention belongs to the technical field of fire extinguishing agents, and particularly relates to an environment-friendly foam fire extinguishing agent based on a hydrocarbon / organic silicon compound system and a preparation method of the environment-friendly foam fire extinguishing agent. The fire extinguishing agent comprises the following components in percentage by mass: 4%-8% of dodecyl glycoside APG0810, 7%-10% of cocamidopropyl betaine CAB, 3%-5% of an organosilicon surfactant Dow Corning OFX-5211, 0.2%-0.5% of nano boron nitride, 0.2%-0.4% of xanthan gum, 1%-4% of a cosolvent, 3%-10% of an antifreeze agent and the balance of water. The total amount of the dodecyl glycoside APG0810 and the cocamidopropyl betaine is not less than 13%. The environment-friendly foam extinguishing agent does not contain perfluorooctane sulfonate and perfluorooctanoic acid which are difficult to degrade, has good stability, and is simple in preparation process, low in preparation cost and suitable for extinguishing B-type oil liquid fire disasters.

The utility model discloses fixed and movable combined foam fire extinguishing equipment which comprises a handheld water outlet pipe group module, the water outlet pipe group module comprises a water hose adapter, an overflowing pipeline, a foam rod barrel and a water outlet pipe section which are sequentially communicated along the water outlet direction, and the water hose adapter is used for being detachably butted with a water hose; the water outlet pipe section is of a round pipe structure, an inner cavity of the water outlet pipe section is divided into a reducing pipe cavity, an expansion area and a water outlet cavity which are sequentially communicated in the water outlet direction, the pipe diameter of the reducing pipe cavity in the water outlet direction is reduced gradually, the expansion area and the water outlet cavity are cylindrical cavities, and the pipe diameter of the expansion area is larger than that of the water outlet end of the reducing pipe cavity. The water outlet pipe section is provided with a plurality of air suction holes evenly distributed in the circumferential direction of the water outlet pipe section and communicated with the expansion area, the pipe diameter of the water outlet cavity is smaller than that of the expansion area, and an outlet of the water outlet cavity is a water outlet of the water outlet pipe section. By adopting the scheme of the utility model, the problems of low efficiency and short foam duration of A-type fire extinguishing equipment for high-rise buildings are solved.

The invention belongs to the technical field of food processing, and particularly relates to a preparation method of high-solubility macadamia nut protein. The method comprises the following steps: uniformly mixing Australian hardness degreased powder with water, and adding composite alkali powder to enable the pH value to be 10.5-11 so as to obtain a mixed material liquid; then, carrying out high-energy medium grinding treatment on the obtained mixed material liquid, and adding citric acid to enable the pH to be 6.8-7.0, so as to obtain a protein solution; and finally, carrying out spray drying on the protein solution to obtain the macadamia nut protein. According to the method disclosed by the invention, large insoluble protein aggregates are dissociated into relatively small water-dispersed protein aggregates by combining acid-base activation with a high-energy medium grinding system, so that the macadamia nut protein is better dissolved, and the problems of poor dispersibility and functional properties of the macadamia nut protein are solved. In addition, the method is green and simple in treatment process, high in treatment efficiency, capable of meeting industrial production standards and capable of achieving continuous production.

The invention discloses a collecting agent for reducing collophanite sesquioxide and a preparation method and application thereof.An interfacial activity enhancer, ammonium lauryl sulfate and sorbitan monooleate polyoxyethylene ether are mixed and then stirred, the mixture is put into an ultrasonic device to be subjected to ultrasonic treatment, then the mixture is put into an ether amine salt water solution to be stirred, and the collecting agent is obtained. And the collecting agent for reducing collophanite sesquioxide is obtained. The collecting agent shows high selectivity on collophanite separation, and the problems that reverse flotation products are poor in foam flowability and not prone to being broken can be remarkably solved; according to the application of the collecting agent for reducing the collophanite sesquioxide, the particle size of an ore grinding product can be regulated and controlled, the influence of fine particles generated by over-grinding on the collecting agent can be reduced, the recovery rate of phosphorite and the grade of phosphate concentrate are remarkably improved, and meanwhile deep impurity removal is achieved.

The invention discloses a low-alumina-silica-ratio bauxite direct flotation composite collecting agent and a preparation method thereof, and the method comprises the following steps: gradually adding an emulsifier into water, and stirring until the emulsifier is uniformly mixed to obtain an emulsifier solution; adding a fatty acid soap compound, a hydroximic acid compound and a co-emulsion into the emulsifier solution, and then heating, stirring and uniformly mixing to obtain a medicament mixed solution; and the agent mixed solution is placed in an ultrasonic cleaning machine or a stirring emulsifying machine, a synergist is added for a synergistic reaction, the solution is stirred to be uniform, and the composite collecting agent is obtained. The method is simple and easy to implement, the emulsifying effect can be improved, the production cost is reduced, the using amount of the collecting agent in the sorting process is reduced, mineral resources are saved and efficiently utilized, and the prepared collecting agent has the advantages of being excellent in selectivity, strong in collecting capacity, good in agent stability, resistant to low temperature and the like and is suitable for mineral separation of bauxite with the low aluminum-silicon ratio. The concentrate grade and recovery rate can be effectively improved, and the aluminum-silicon ratio of the concentrate is remarkably improved.

The invention relates to the technical field of chemical material preparation, and particularly discloses a safe preparation method of a short fluorocarbon alkyl sulphobetaine surfactant, a product and application, and the safe preparation method comprises the following steps: (1) in a solvent system I, reacting epoxy chloropropane with secondary amine to obtain an intermediate 1; (2) in a solvent system II, reacting the intermediate 1 with sodium hydrosulfide or a hydrate thereof to obtain an intermediate 2; (3) reacting the intermediate 2 with short fluorocarbon alkyl iodide to obtain perfluoroalkyl thioether propyl tertiary amine; and (4) carrying out sulfonation treatment on perfluoroalkyl thioether propyl tertiary amine to obtain the short-fluorocarbon alkyl sulphobetaine surfactant. According to the invention, by designing a synthetic route without using a high-risk reagent, the safety and operability of the process are remarkably improved, and the sulphobetaine surfactant with excellent acid, alkali and salt chemical stability and excellent surface activity is successfully prepared; and a key material and a safe and reliable preparation process are provided for development of a new-generation efficient environment-friendly fire extinguishing agent.

The invention provides a green, environment-friendly, efficient and mild detergent and a preparation method and application thereof, and belongs to the technical field of detergents. Comprising the following raw materials in parts by weight: 10 to 20 parts of a mild surfactant, 5 to 8 parts of an auxiliary surfactant composition, 1 to 2 parts of a plant extract, 0.5 to 1 part of vitamin C, 0.1 to 0.3 part of vitamin E, 0.2 to 0.5 part of vitamin B5, 0.005 to 0.007 part of essence, 0.1 to 0.3 part of EDTA (Ethylene Diamine Tetraacetic Acid) disodium and 60 to 80 parts of deionized water. The prepared green, environment-friendly, efficient and mild detergent is good in foaming effect, stable in chemical property, mild, low in toxicity, good in washing effect and good in degradability, due to addition of the auxiliaries, the sense of the detergent is smoother, the fragrance of the detergent is more loved, and the detergent has wide application prospects.

The invention provides a high-strength self-assembly gel foam oil displacement agent and a preparation method thereof, and belongs to the field of chemical oil displacement. The high-strength self-assembly gel foam oil-displacing agent is prepared from the following components: a ternary amphiphilic hydrophobic association copolymer, a zwitterionic surfactant, a nonionic surfactant, heat-resistant polybasic acid, a counter-ion compound, a chelating agent and formation water. According to the self-assembly gel foam oil-displacing agent, quadruple interaction is formed among molecules of all the components, the strength of foaming liquid is remarkably improved, generated nitrogen foam is fine, rich and good in stability, large cracks and karst caves can be blocked in a fracture-cavity type oil reservoir, the swept volume can be effectively enlarged, the crude oil recovery rate of the fracture-cavity type oil reservoir can be remarkably increased, and the oil-displacing effect is good. The foaming agent does not generate precipitates with calcium and magnesium ions, and does not separate out due to salt.

The present invention provides a novel foam curable composition containing a thermosetting elastomer (A), a chemical foaming agent (B), and expandable particles (C) having a shell and an inner component containing a hydrocarbon (C1) having 7-9 carbon atoms, the foam curable composition having a foam characteristic and an adhesive characteristic, and having a heat-insulating property, a heat-insulating property, and a heat-insulating property, in addition to the foam characteristic and the adhesive characteristic, and a heat-insulating property, a heat-insulating property, a heat-insulating property, and a heat-insulating property, in addition to the heat-insulating property, a heat-insulating property, and a heat-insulating property. Good characteristics after uncured placement are also realized.

This invention discloses a method for preparing a composite flotation reagent using biomass hydrothermal liquefaction products, comprising the following steps: Raw material preparation: providing biomass raw materials rich in lipids or proteins; Catalytic hydrothermal liquefaction: placing the biomass raw materials and a composite catalyst in a reactor, reacting at a temperature of 250-350℃ and a pressure of 4-20 MPa, wherein the water content of the biomass raw materials is 70-95%, and the composite catalyst contains alkaline components, metal oxide components, and rare earth element components; Product separation: separating the reaction products into oil and water to obtain bio-crude oil containing amphiphilic molecules; Flotation application: applying the bio-crude oil as a composite flotation reagent to mineral flotation, where the bio-crude oil simultaneously functions as a frother and a collector. This invention uses waste biomass as raw material to prepare a composite flotation reagent with both frother and collector functions, realizing the resource utilization of waste and the green upgrading of flotation reagents, and has the characteristics of wide raw material sources, excellent reagent performance, and environmental friendliness.

The invention discloses a mineral type rare earth ore direct flotation composite collecting agent, a preparation method and a flotation method. The mineral type rare earth ore direct flotation composite collecting agent comprises fatty acid, fatty alcohol and a sodium hydroxide solution. Wherein the mass ratio of the fatty acid to the fatty alcohol is 10: 1, the mass concentration of the sodium hydroxide solution is 10-20%, and the mass of the sodium hydroxide solution is equal to the total mass of the fatty acid and the fatty alcohol. According to the mineral type rare earth ore direct flotation composite collecting agent, the preparation method and the flotation method, the mineral type rare earth ore direct flotation composite collecting agent has the advantages of being simple in process, high in selectivity, high in collecting performance, good in dispersity, environmentally friendly and low in price, and is used for micro-fine particle mineral type rare earth ore separation; and high-grade and high-recovery-rate flotation indexes can be obtained.

The faucet bubbler comprises a bubbling shell, a first rotating plate is rotationally connected into the bubbling shell, a plurality of rotational flow fan blades are fixed to the first rotating plate, a rotational flow opening is formed in the portion, between every two adjacent rotational flow fan blades, of the first rotating plate, a first rotating shaft is fixed to the center of the bottom of the first rotating plate, and a second rotating shaft is fixed to the center of the bottom of the first rotating plate. The first rotating shaft is at least partially provided with an inclined shaft, a first foaming plate is fixed on the inclined shaft, and a plurality of first foaming holes are formed in the first foaming plate; the bubbling device further comprises a second bubbling plate, the second bubbling plate is detachably connected to an outlet of the bubbling shell, a plurality of second bubbling holes are formed in the second bubbling plate, a protruding part is fixed to the second bubbling plate, an inserting groove is formed in the protruding part, and the first rotating shaft is inserted into the inserting groove in a matched mode. Compared with the prior art, the bubbler has the advantages that the bubbler is simple in structure, water flow in the bubbler can be reflected for multiple times, and the bubbling effect is good.

The invention belongs to the technical field of preparation of TPR (Thermoplastic Rubber), and provides a high-performance TPR modifier as well as a preparation method and application thereof. Comprising the following components in parts by mass: 100 parts of SBS (Styrene Butadiene Styrene), 40-60 parts of naphthenic oil, 10-20 parts of an auxiliary agent, 5-15 parts of a styrene-butadiene copolymer, 10-20 parts of super white calcium carbonate, 0.4-0.8 part of an antioxidant and 0.6-1 part of zinc stearate, the preparation method comprises the following steps: mixing SBS and naphthenic oil to obtain oil-filled SBS; the preparation method comprises the following steps: mixing oil-extended SBS, an auxiliary agent, a styrene-butadiene copolymer, ultra-white calcium carbonate, an antioxidant and zinc stearate, and granulating to obtain the high-performance TPR modifier. The high-performance TPR modifier provided by the invention has excellent fluidity, resilience and mechanical properties, can effectively improve the flexibility and elasticity of EVA after being added into a formula of an EVA shoe material, and perfectly combines the excellent wear resistance of rubber and the low specific gravity characteristic of EVA.

The invention relates to the technical field of oil and gas fracturing flow-back fluid treatment, and particularly discloses a boron-doped diamond electrode electrooxidation system and method for treating fracturing flow-back fluid. According to the method for treating the fracturing flow-back fluid, before the fracturing flow-back fluid enters an electrooxidation unit, sulfide is efficiently removed, poison and competitive oxidation of the fracturing flow-back fluid to an electrode are eliminated, a BDD electrode is protected, a foaming agent is synchronously removed through aeration enrichment, the problem of foam interference in the flow-back fluid treatment process is fundamentally solved, and continuous and stable operation of a system is guaranteed; after the electro-oxidation unit, active chlorine (pypocholoride / chlorine) is effectively removed and recycled, so that waste is treated by waste, the oxidation efficiency is improved, and the dosage of chemicals is reduced. Through the collaborative design, the interference and foam problems of sulfide with high chloride ion content and strong reducibility are collaboratively optimized, and the treatment efficiency, economical efficiency and stability of the system are integrally improved.

The invention provides shampoo for controlling oil and relieving itching and a preparation method thereof, and relates to the technical field of shampoo. The shampoo is prepared from the following raw materials in parts by weight: 10 to 14 parts of camellia oil, 20 to 30 parts of plant extract, 7 to 10 parts of euglena parviflora root powder, 3 to 6 parts of vitamin E, 10 to 13 parts of butyrospermum parviflora butter, 6 to 8 parts of hydrolyzed silk protein, 7 to 9 parts of euglena parviflora polysaccharide, 4 to 7 parts of amino acid, 14 to 18 parts of surfactant, 2 to 4 parts of hydroxyethyl cellulose and 70 to 90 parts of water. The shampoo has good foaming and scalp dirt cleaning performance and can inhibit excessive secretion of sebaceous gland cells and reduce scalp grease generation, active ingredients can permeate into the inner layer of scalp to supplement moisture and nutrition, meanwhile, a protective layer can be formed on the surface layer of the scalp, the damaged scalp barrier of children is repaired, the scalp resistance is enhanced, and the hair is protected. Therefore, good oil control and itching relieving effects are achieved, and the effect is mild.

A foam separation method for harvesting Cr 3+ This method, belonging to the field of heavy metal wastewater treatment, uses the natural nonionic surfactant Sapindus mukorossi extract as a foaming agent and a trapping agent to treat Cr-containing wastewater. 3+ Cr in aqueous solution 3+ Foam separation and harvesting were performed. The critical micelle concentrations of Sapindus mukorossi extract and five other surfactants were determined, and the effects of pH, gas flow rate, liquid loading, collection time, Sapindus mukorossi extract concentration, and Cr were investigated. 3+ The effect of initial concentration on separation efficiency was investigated, and the process was optimized through orthogonal experiments. The results showed that at room temperature, with pH 6.5, gas flow rate 400 mL / min, collection time 4 min, loading volume 300 mL, Sapindus mukorossi extract 0.2 g / L, and chromium sulfate 10 mg / L, Cr... 3+ The recovery rate can reach 71.5%, and the enrichment ratio is 3.9. The foaming agent used in this invention is widely available, easily degradable, and environmentally friendly, and is suitable for low concentrations of Cr. 3+ Separate harvesting.