35results about How to "Improved rheological properties" patented technology

The invention belongs to the field of electrode paste preparation, and provides low-temperature curing silver-coated copper paste for a heterojunction solar cell and a preparation method of the low-temperature curing silver-coated copper paste. Ethyl cellulose is adopted as a matrix material, a stable matrix network is provided for slurry through good cohesiveness and dispersity of ethyl cellulose, and a network structure with a high crosslinking degree is formed by adding modified phenolic resin, organic silicon modified epoxy acrylate and other chemical modification materials into the slurry. The mechanical strength and adhesive force of the slurry are further enhanced, surface modification is carried out on inorganic filler such as silver-coated copper powder and bismuth oxide through a silane coupling agent and a titanate coupling agent, and the interface bonding force between the filler and an organic matrix is enhanced through silicon-oxygen bonds formed on the surface of the filler; by adding the carboxylated polyamide wax and the organic bentonite, the agglomeration tendency of the filler is reduced by utilizing the adsorption and electrostatic repulsion effects of the carboxylated polyamide wax and the organic bentonite on filler particles, and the obtained conductive slurry has the characteristics of excellent conductivity and low-temperature rapid curing.

The invention relates to a betaine type double-tailed hydrophobic association polymer fracturing thickening agent and a preparation method thereof. The thickening agent is prepared by the following steps: copolymerizing four monomers, namely acrylamide, 2-allyl methylamino sodium ethanesulfonate, methyl diallyl hydroxypropyl sulfobetaine and double-tailed long-chain alkyl allyl sulfoethyl betaine to form gel, chopping, hydrolyzing, neutralizing and purifying. The preparation method comprises the following steps: firstly adding distilled water, adding acrylamide, 2-allylmethylamino sodium ethanesulfonate, methyldiallyl hydroxypropyl sulfobetaine and other remaining raw materials, adjusting the total concentration, introducing N2 to remove oxygen, adding an initiator, reacting to prepare gel, chopping the gel, and hydrolyzing to obtain the water-soluble polymer. The fracturing thickening agent has good water solubility and shows good salt resistance in mixed saline water with the mineralization degree larger than or equal to 30000 mg / L, a prepared linear solution and jelly formed after crosslinking have high viscosity retention capacity at the temperature of 150 DEG C and the shearing rate of 170 s <-1 >, and the actual construction requirement for fracturing yield increase with the on-site mineralization degree larger than or equal to 30000 mg / L is met.

The invention provides positive conductive paste, a positive plate and a lithium ion battery. The positive electrode conductive paste comprises a solid and a solvent, and the positive electrode conductive paste comprises the following components in percentage by mass of the solid: 0.02%-0.05% of a single-walled carbon nanotube, 0.3%-0.7% of a carbon black conductive agent, 0.1%-0.5% of a softening agent, 0.1%-0.5% of a dispersing and anti-cracking integrated auxiliary agent, 96%-98% of a positive electrode active material and 1%-2.25% of a binder. By adding the single-walled carbon nanotubes, the conductivity and mechanical properties of the positive electrode conductive paste are improved. And the softening agent improves the rheological property of the positive electrode conductive paste and enhances the flexibility of the pole piece at the same time. And the dispersing and anti-cracking integrated auxiliary agent effectively disperses positive electrode active material particles and prevents coating and baking cracking. The high solid content achieved under the cooperative work of the three is beneficial to solving the problems of brittle failure, low coating rate, easy cracking of the pole piece and the like of the thick pole piece.

The invention provides a soothing and repairing composition for dry and sensitive skin as well as a preparation method and application of the soothing and repairing composition, and belongs to the technical field of cosmetics. The soothing and repairing composition is of a liposome structure, cephalin and ceramide-EOP form a cephalin-ceramide complex and serve as a shell layer of the liposome, and plant ecdysone and inositol choline glycerophosphate are wrapped in the liposome; the soothing and repairing composition with the liposome structure has excellent moisturizing, soothing and repairing effects.

The invention relates to the technical field of lithium ion battery materials, in particular to a coated lithium cobalt oxide positive electrode material and a positive electrode plate prepared from the coated lithium cobalt oxide positive electrode material. A binder with dynamic reversible bonds such as a hydrogen bond and a disulfide bond is synthesized through free radical polymerization among acrylamide, acrylic acid and a double-bond-terminated disulfide bond-containing compound; the preparation method comprises the following steps: doping lithium cobalt oxide with Mg, coating the surface of the lithium cobalt oxide with a conductive polymer polypyrrole, and coating the surface of the lithium cobalt oxide with an organic porous polymer prepared from a quaternary connector 5, 10, 15, 20-tetra (4-aminophenyl) porphyrin and pyromellitic dianhydride by using a large pi bond of the polypyrrole; the conductive agent is modified, (3-mercaptopropyl) trimethoxysilane is firstly used for sulfhydrylation, then sulfydryl-double bond light click is utilized, and a double-bond end-capped disulfide bond-containing compound with a reversible bond is grafted, so that the stability and the safety of the battery performance are improved.

The invention relates to a method for removing trace toxic polycyclic aromatic hydrocarbon in coal-based residues, which comprises the following steps of: crushing the residues to obtain residues before modification, and grinding and uniformly mixing the residues before modification and a modifier to obtain mixed powder; adding the mixed powder, a catalyst and a system solvent into a reactor, and carrying out a chemical reaction for removing toxic polycyclic aromatic hydrocarbon; a reaction product is collected and recycled through rotary evaporation, modified residues are obtained after solids are dried and ground, and the solvent is recycled; according to the method, the content of the toxic polycyclic aromatic hydrocarbon in the coal-based residues is reduced to the greatest extent by preferably selecting the multifunctional composite modifier and establishing an efficient removal method of the polycyclic aromatic hydrocarbon, and indexes such as the softening point, the needle penetration and the solubility in the residues are improved; the content of trace toxic polycyclic aromatic hydrocarbon in the coal-based residues can be reduced, the rheological property and stability of the residues are improved, and the pavement standard of road asphalt is met.

The invention relates to the technical field of energy, and discloses a multifunctional coal water slurry additive as well as a preparation method and application thereof. The preparation of the basic additive comprises the step of carrying out heating reaction on biphenyl diamine and suberic anhydride in a DMF (Dimethyl Formamide) solution to obtain a reaction product. Subsequently, the reaction product is cooled to room temperature and carboxymethyl chloride is added to introduce hydrophilic groups. And after the reaction is completed, neutralizing the system to be neutral, washing with deionized water, filtering and drying to obtain a solid product, namely the basic coal water slurry additive. The basic coal water slurry additive is further subjected to multi-stage improvement, and the functionality of the basic coal water slurry additive is gradually enhanced. The improvements not only improve the dispersibility, rheological property and stability of the coal water slurry, but also enhance the performance of the coal water slurry under extreme conditions of high temperature, long-term storage and the like. Compared with the prior art, the invention provides a coal water slurry additive scheme which is more efficient, more stable and better in cost effectiveness, and the coal water slurry additive has a wide application prospect.

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

The invention relates to the technical field of cosmetic preparations, and discloses a composition containing succinyl glycan and application of the composition to regulation and control of the repetition distance of a liquid crystal lamellar phase, the composition comprises a liquid crystal component and an effective amount of succinyl glycan, wherein the stratified phase repetition distance of liquid crystals in the composition can be effectively adjusted by adding the succinyl glycan, and the thermal stability of the composition is improved; small-angle X-ray scattering (SAXS) proves that the addition of the succinyl glycan enables the repetition distance of the lamellar phase of the liquid crystal to generate a measurable change of 6.2% to 19.4%; the invention provides a novel method for accurately regulating and controlling the liquid crystal structure of the cosmetic from the nanoscale, and the obtained composition has better stability, moisture retention and skin feeling in use.

This invention belongs to the field of engines, specifically relating to a fuel supply structure and a solid-liquid hybrid rocket engine, including an oxygen-enriched propellant supply mechanism and a gel fuel supply mechanism. The oxygen-enriched propellant supply mechanism includes a coating column, which includes a coating sleeve with an opening facing the combustion chamber, and the coating sleeve is used to hold the oxygen-enriched propellant. The gel fuel supply mechanism includes a gel fuel supply device, an annular channel, and an atomizer arranged sequentially. The annular channel is arranged around the outer edge of the coating sleeve, with its downstream end protruding downstream of the coating sleeve. The atomizer is located at the end of the annular channel protruding downstream of the coating sleeve, and the annular channel and the coating sleeve together seal the upstream end of the combustion chamber. This invention's engine adopts a novel combination of gel fuel and oxygen-enriched propellant, combining some of the advantages of both to achieve the effects of increased specific impulse, adjustable thrust, and multiple starts.

This invention discloses a self-thickening, moisturizing, and oil-controlling gentle facial cleanser and its preparation method, belonging to the field of cosmetic technology. The raw materials are composed of the following percentages by weight: rhamnolipin 2%~8%, alkyl glycoside 5%~15%, cationic polymer 0.1%~1.5%, moisturizer 2%~6%, plant extract 0.5%~3%, pH adjuster (the amount needed to adjust the system pH to 5.0~7.0), preservative 0.1%~1.0%, and water as the balance. Through the ternary system of rhamnolipin-alkyl glycoside-cationic polymer, self-thickening and foam stability are achieved through electrostatic interaction and steric hindrance synergy, without relying on traditional thickeners such as carbomer. Simultaneously, it possesses excellent moisturizing and oil-controlling properties, with an oil removal rate ≥89%, a skin moisture content increase of ≥15% after 4 hours of use, and an oil secretion inhibition rate of ≥20% after 4 hours, with extremely low irritation. This invention solves the technical problem of low viscosity and poor foam performance in the rhamnolipin and alkyl glycoside compound system.

The invention belongs to the technical field of fuel cells, and particularly relates to a proton exchange membrane fuel cell membrane electrode catalyst slurry and a dispersion process thereof. The proton exchange membrane fuel cell membrane electrode catalyst slurry comprises a catalyst, a perfluorosulfonic acid resin solution, ultrapure water, isopropanol and ethanol, the catalyst adopts one or more of a platinum-carbon catalyst, a platinum-cobalt alloy catalyst and a ternary alloy catalyst, and the platinum loading capacity is 40-70%. According to the present invention, by adjusting the ratio of various alcohols to water in the catalyst slurry and ingeniously increasing the temperature of the catalyst slurry during the dispersion process, the accurate regulation of the slurry viscosity is achieved so as to ensure that the slurry can achieve the ideal rheological property during the dispersion process. The control strategy of adjusting the ratio of the alcohol to the water and optimizing the dispersion temperature not only promotes the uniform dispersion of the slurry, but also remarkably improves the dispersion efficiency, and no non-volatile substance is introduced, so that a solid foundation is provided for preparing a high-performance catalyst layer.

The application discloses a biomass gelatinous gel and a preparation method and application thereof, and the method comprises the following steps: dispersing anthraquinone small molecules and porous graphene in a sodium bicarbonate solution or a phosphate buffer solution to obtain a mixture; the mass ratio of the anthraquinone small molecules to the porous graphene is 1:0.14-7; the pH value of the mixture is 8-10; and the mixture is cooled after being ultrasonically treated at 30-70 DEG C to obtain the biomass gelatinous gel. The biomass gelatinous gel is prepared by self-assembly of anthraquinone small molecules and lignin-based porous graphene as main raw materials in a weak alkaline system through non-covalent interaction between molecules. The biomass gel is a room-temperature gelatinous gel, has good temperature responsiveness, and has excellent specific capacity, remarkable shear thinning characteristics, large shear strain, self-healing characteristics, non-frequency dependence and time stability through tests.

The application provides a UV white ink, a preparation method and an application process. The preparation raw material of the UV white ink includes, in terms of weight parts, 5-10 parts of resin, 30-40 parts of amide functional monomer, 25-40 parts of active diluent, 5-10 parts of photoinitiator, 10-25 parts of titanium-containing white paste, and 0.3-3 parts of additive. The resin provides a film-forming skeleton, guarantees the adhesion and scratch resistance of the ink layer; the amide functional monomer uses strong polar amide groups to build low-shrinkage crosslinking nodes, balances the hardness and internal stress, and improves the alcohol resistance; the active diluent adjusts the viscosity of the system and participates in photocuring, and gives the ink good standby anti-settling property. Through the synergistic effect of the components, the application realizes high hardness and excellent scratch resistance, and takes into account the strong adhesion, alcohol resistance and long-term storage stability of the substrate, and is especially suitable for the inkjet printing process of cylindrical curved surfaces such as vacuum cups.

The invention belongs to the technical field of silver paste for batteries, and relates to lignin modified low-temperature curing conductive silver paste as well as a preparation method and application thereof. The lignin modified low-temperature curing conductive silver paste comprises the following components in percentage by weight: 92-93% of silver powder; 3 to 3.1% of a resin composition; 0.28 to 0.32 percent of a curing agent; the balance is an organic reagent; the resin composition comprises the following components in percentage by weight: 2.1-2.3% of aliphatic epoxy resin; 0.25 to 0.4 percent of bisphenol F type epoxy resin; 0.5 to 0.6 percent of vinyl chloride-vinyl acetate resin; 0.08% to 0.18% of lignin; the lignin is alkali lignin. The lignin is added into the low-temperature curing conductive silver paste, so that the curing characteristic of the resin is improved, the dispersity of silver particles is enhanced, the conductivity and rheological property of the low-temperature curing conductive silver paste are improved, and the photoelectric conversion efficiency of a battery is improved.

The application discloses a kind of high density low rebound shotcrete and preparation method thereof, it is related to shotcrete field, and preparation method includes: (1), respectively to cementitious material, fine aggregate, coarse aggregate is using MAA model to be packed and the design ratio of each raw material in interior is obtained;(2), cementitious material, fine aggregate, coarse aggregate and the rebounding agent of design ratio obtained according to step (1) are fully mixed, water, water reducing agent is mixed, then by the way of mixing with pressurized air, incorporate accelerator, obtain high density low rebound shotcrete.The application uses early strength rebounding agent, improves the pumpability of shotcrete, accelerates the early hydration of concrete, under the joint action of alkali-free accelerator, rapidly improves the early mechanical properties of shotcrete, improves shotcrete construction efficiency.Multiple close packing is used, and cementitious material, fine aggregate, coarse aggregate respectively form close packing structure, effectively improve the plastic viscosity of paste and the compactness of concrete.

The invention provides modified asphalt, foamed asphalt, an open-graded asphalt mixture and a preparation method. Specifically, styrene butadiene rubber, tackifying resin, fatty acid ester, polyvinyl alcohol and rubber aromatic hydrocarbon oil are used as modifiers to modify matrix asphalt to prepare modified asphalt, the rheological property of the asphalt is improved, and an important basis is provided for preparation of foamed asphalt and open-graded asphalt mixtures based on the foamed asphalt.

The invention discloses a preparation method and application of a probiotic-entrapped collagen composite nano-carrier. The preparation method is characterized by comprising the following steps: mixing a fish gelatin protein solution and a polysaccharide solution, adjusting the pH value to be alkaline, heating to carry out glycosylation reaction, and purifying to obtain glycosylated fish gelatin protein. Mixing and emulsifying the glycosylated fish gelatin protein solution serving as a water phase and the oil phase by adopting a reversed-phase emulsification method to form a W / O type emulsion; adding a probiotic bacterial suspension, uniformly stirring, adding a cross-linking agent, carrying out a cross-linking reaction, carrying out solid-liquid separation, washing, and drying, so as to obtain the probiotic-entrapped collagen composite nano-carrier; the preparation method has the advantages that precise and slow-release release in intestinal tracts is realized, and the survival rate and bioavailability of probiotics are remarkably improved.

This invention discloses a tungsten-copper electronic paste for medium-temperature co-fired ceramic substrates and its preparation method, belonging to the field of electronic pastes. By mass percentage, the paste consists of 80%–85% tungsten-copper powder, 5%–15% organic carrier, and 5%–10% binder phase. The preparation method includes: first preparing the organic carrier, then uniformly mixing the tungsten-copper powder and binder phase, followed by adding the organic carrier, and then thoroughly grinding and dispersing the mixture using a stirring and three-roll mill to obtain a uniform and stable tungsten-copper electronic paste. This invention, by optimizing the powder size and paste ratio, significantly reduces the sheet resistance of the conductive layer after sintering and improves conductivity while ensuring good co-firing compatibility with medium-temperature co-fired ceramics. The resulting paste exhibits excellent printability and rheological stability, with clear printed lines and a smooth surface. It shows no bubbling or delamination during sintering and is suitable for high-performance, high-reliability electronic packaging and substrate circuit manufacturing.

The invention discloses a method for modifying starch. According to the method, starch is physically modified by adopting a micro-nano bubble technology. The prepared modified starch is free of chemical component addition, safe and environmentally friendly, the microstructure, FTIR spectrum, crystallinity, expansibility, gelatinization temperature and other aspects are changed, the functional characteristics of the starch in food and non-food products are enhanced, and the application range of the starch is widened.

The invention discloses ultraviolet anti-forgery ink for optical disc printing. The ultraviolet anti-forgery ink is prepared from the following raw materials in parts by mass: 20 to 55 parts of prepolymer, 15 to 30 parts of monomer, 5 to 10 parts of photoinitiator, 1.5 to 2.5 parts of UV photocuring flatting agent, 1 to 2 parts of wetting agent, 0.01 to 0.1 part of surfactant, 0.1 to 0.5 part of ultraviolet light absorber, 0.001 to 0.01 part of anthracene derivative and 1 to 3 parts of adhesion promoter. The ultraviolet anti-forgery ink for optical disc printing is prepared from specific raw materials and dosages, contains a recessive or dominant ultraviolet reactive material, has high adhesiveness, scratch resistance and chemical resistance, provides an anti-forgery characteristic in response to ultraviolet radiation, also has the advantages of good anti-fouling property, excellent rheological property and ink transfer performance and the like, and can be widely applied to the field of optical disc printing. The fluorescent ink can be used for optical disc surface printing, and patterns or characters can be printed on a printing stock without a fluorescent background through a silk-screen printing technology. And fountain solution is not needed in the printing process, the production efficiency is high, the printing quality is good, and the production cost is low.

The compensation system comprises a spinning solution storage tank, a first pipeline, an adjusting storage tank and a second pipeline, the first pipeline is connected with the spinning solution storage tank and a spinning unit, the second pipeline is connected with the adjusting storage tank and the first pipeline, and the second pipeline is provided with a metering pump; the first pipeline is provided with a first viscometer; and the first viscometer is positioned at the downstream of the connection position of the first pipeline and the second pipeline. Through the synergistic effect of online detection and instant compensation, the viscosity abnormity caused by factors such as temperature fluctuation, solvent volatilization or polymerization degree change in the spinning process is effectively counteracted. The DMSO solvent can obviously improve the rheological property of the spinning solution, maintain the dynamic balance of the viscosity of the system and ensure that the spinning solution is kept stable in the extrusion process, so that the fiber forming quality and the spinning continuity are improved.

Sulfur cathodes are described that include a cellulose composition containing a plurality of anionically functionalized cellulose nanofibers. The anionically functionalized cellulose nanofibers are highly charged and have a low aspect ratio. The sulfur cathode has low porosity, high surface smoothness, and promotes transport of Li ions while hindering transport of polysulfide anions. The battery employing the sulfur cathode has high weight density and volume density.

This invention discloses a low-carbon, high-density shotcrete admixture, its preparation method, and its application, relating to the field of concrete admixtures in building materials. The admixture comprises the following components by mass percentage: 53-73% rheological component, 15-25% thickening component, 10-18% early-strength component, and 0.5-4% setting regulator component. The rheological component includes manganese slag powder and silica fume, and the thickening component is tailings powder loaded with nano-modified cellulose ether. This invention increases the cohesiveness of shotcrete and improves the slurry encapsulation of concrete through the thickening component, increases the yield stress of concrete through the rheological component, and synergistically improves the adhesion and rapid hardening performance of the material after spraying by combining with the early-strength component, thereby reducing the rebound rate. Furthermore, the nanoparticles loaded on organic matter hydrate in the pores, directionally filling harmful pores, effectively improving the density and strength of shotcrete, achieving low-carbon, low-rebound, and high-density shotcrete.

The invention discloses a shale gas horizontal well borehole wall stabilization water-based drilling fluid, which comprises, by mass percentage: 3.0% to 4.0% micro-nano aluminum silicate, 0.5% to 1.0% biomacromolecule thickener, 2.5% to 3.5% modified starch, 1.5% to 2.0% amine ester inhibitor, 4.0% to 6.0% low carbon number organic sodium salt, 1.0% to 1.5% organic and inorganic polymer lubricant, 1.0% to 2.0% liquid lubricant, 1.0% to 1.5% polysilicon fluoride stabilizer, and the balance is water. The shale gas horizontal well borehole wall stabilization water-based drilling fluid solves the problem of easy instability of the borehole wall in view of the special situation of the Tianhuan Depression in the Ordos Basin.

This invention discloses a nano-modified composite grouting material suitable for deep, high-temperature geothermal environments and its preparation method, belonging to the field of geotechnical engineering technology. The raw materials for preparing this composite material include: cement, fly ash, cellulose nanofibers, Pluronic F-127 dispersant, calcium formate, tannic acid, borax, defoamer, and water; wherein the mass ratio of tannic acid, calcium formate, and borax is (0.15-0.25):(1.1-1.4):(0.1-0.2). This invention, through the compounding of specific admixtures, effectively overcomes the defects of traditional grouting materials, such as rapid setting at high temperatures and poor rheological properties. The resulting composite material exhibits low viscosity, long pumpability, and high early strength in high-temperature environments, significantly improving the reinforcement effect on deep, high-temperature rock masses and providing a high-performance, high-reliability grouting solution for deep underground engineering.

The present application discloses a nanoemulsion gel with anti-aging and mitochondrial telomerase activation effects, and its preparation method and application, which belongs to the field of cosmetic technology. The present application prepares a nanoemulsion gel with anti-aging and mitochondrial telomerase activation effects by nano-encapsulating liposome bilayer membrane flow mosaic regulator, bilayer film-forming agent, active ingredient solvent, pterostilbene, cycloastragenol, baicalein, quercetin, soluble phosphopeptide, salvianolic acid B, and glycerol, and at the same time utilizes the property that salvianolic acid B spontaneously forms a hydrogel when combined with a soluble phosphopeptide aqueous solution. The present application provides a theoretical and experimental basis for the reasonable combination of pterostilbene and three traditional Chinese medicine active substances, cycloastragenol, baicalein, and quercetin, in terms of functional ingredients, and has application prospects in the production of whitening, anti-oxidation, anti-inflammatory and anti-aging cosmetics.

The invention discloses a packaging composite film with good barrier property, high twisting strength and low rebound resilience and a preparation method thereof, and belongs to the technical field of composite film preparation. The PET / PP composite material comprises the following raw materials in parts by weight: 45-55 parts of PET, 25-40 parts of PP, 0.5-1 part of a heat stabilizer, 2-5 parts of an antioxidant and 2-3 parts of an ultraviolet light absorber. The flame retardant is prepared from 1-2 parts of hindered amine light stabilizer, 2-3 parts of lubricant, 4-6 parts of coupling agent, 5-10 parts of filler, 1-2 parts of flame retardant, 5-8 parts of cross-linking agent and 2-8 parts of bulking agent. By adding the compatibilizer PP-g-MAH, the compatibility of a PET / PP blending system can be improved, so that the rheological property and the mechanical property of the PET / PP blending system are improved.

The invention belongs to the technical field of industrial wastewater treatment and solid waste recycling, discloses a raw coal washing slime water treatment rapid settling agent and a preparation method and application thereof, and particularly relates to treatment of difficult-to-settle slime water. The rapid settling agent is prepared by taking industrial solid waste purified phosphogypsum as a main body, and modifying and compounding the main body with specific dendritic polyamine cations, sulfate and chlorate through an optimized process; the product is solid powder, is cooperated with an anionic polyacrylamide flocculant during use, is capable of rapidly settling and clarifying, and is specially used for treating raw coal washing slime water which is highly emulsified and difficult to settle; according to the invention, the combination of specific dendritic polyamine cations, sulfate and chlorate is introduced into a phosphogypsum modification system to generate a special synergistic effect, so that the performance of the agent in the aspects of rapid demulsification, charge neutralization and netting bridging is remarkably improved; the method has the effects that the settling velocity of slime water is extremely high, the effluent turbidity is low, the bottom mud dehydration property is good, and meanwhile, bulk and high-value utilization of the phosphogypsum is realized.

The invention discloses a preparation method of salt-heat double-tolerant whey protein, which comprises the following steps: dispersing whey protein in water to obtain a solution A; the mass concentration of the protein in the solution A is 1-5%, and the pH is 7-9; performing ultrahigh pressure treatment on the solution A to obtain a solution B; the pressure of the ultrahigh pressure treatment is 300 to 600 MPa, and the time is 5 to 10 minutes; adjusting the pH value of the solution B to 4-5 to obtain a solution C; centrifuging the solution C, and recovering the precipitate; dispersing the precipitate in water, and adjusting the pH value to 6.0-7.0 to obtain a solution D; and drying the solution D to obtain the salt-heat double-tolerant whey protein. After being heated in a system containing NaCl or CaCl2, the salt-heat double-tolerant whey protein dispersion liquid (5%, w / w) still has good flowability. The salt-heat double-tolerant whey protein prepared by the invention can be used for preparing protein beverages or smokable gel rich in electrolyte.