386 results about "Guar gum" patented technology

The invention provides a humic acid type plant pollen sensitization inhibitor as well as a preparation method and a use method thereof, and the humic acid type plant pollen sensitization inhibitor is prepared from the following raw materials in parts by mass: 1 to 2 parts of polyvinyl alcohol, 0.01 to 0.05 part of guar gum, 2 to 10 parts of acrylic acid, 0.05 to 0.2 part of initiator, 0.5 to 2 parts of potassium humate and 50 to 250 parts of water. The humic acid type plant pollen allergy inhibitor is environment-friendly and low in cost, and has good biocompatibility and allergy inhibition effect.

The invention provides transparent shampoo with fluffy and anti-dandruff effects and a preparation method of the transparent shampoo. The shampoo comprises the following components in percentage by weight: 10%-20% of sodium laureth sulfate; 0.5% to 10% of ammonium laureth sulfate; 0.5%-10% of cocamidopropyl betaine, 0.5%-10% of 0.5%-10% of coconut oil fatty acid monoethanolamide; 0.5% to 10% of decyl glucoside; 0.6% to 1.5% of capryloyl glycine; 0.1% to 1% of cationic guar gum; 0.1% to 1% of polyquaternium-10; 0.1% to 1% of polyquaternium-11; 0.1% to 1% of polyquaternium-51; 0.01% to 2% of magnolol; 0.01% to 2% of menthol; 0.1%-1% of sodium chloride; 0.1%-1% of citric acid; and 0.1%-1% of disodium EDTA. The shampoo disclosed by the invention has the effect of improving the combing performance in a dry hair state, can effectively improve the smoothness of hair and the touch comfort during use, and also has a supporting effect and antibacterial and anti-dandruff effects. According to the shampoo process, the clarity and appearance stability of the product are remarkably improved, and the shampoo can be kept in a transparent and uniform state for a long time.

The invention discloses a high-temperature-resistant and salt-resistant fracturing fluid and a preparation method thereof, and relates to the technical field of oil field fracturing fluids. When the high-temperature-resistant and salt-resistant fracturing fluid is prepared, sodium 3-chloro-2-hydroxypropane sulfonate, N, N-dimethylacrylamide and ethylene glycol react to prepare a quaternized solid product, and then the quaternized solid product reacts with 1-bromooctadecane to prepare an amphoteric hydrophobic monomer; guar gum powder reacts with 3-(1-naphthyloxy)-1, 2-epoxypropane to prepare naphthyloxy functionalized guar gum, and then the naphthyloxy functionalized guar gum, acrylamide and an amphoteric hydrophobic monomer are subjected to initiated polymerization through ceric ammonium nitrate to prepare modified guar gum; enabling zirconium oxychloride octahydrate, titanium chloride, lactic acid, ethanediamine and glycerol to react to prepare an organic zirconium cross-linking agent; and finally, mixing the modified guar gum, an organic zirconium cross-linking agent, sodium thiosulfate, sodium bromate, a surfactant and water to prepare the high-temperature-resistant and salt-resistant fracturing fluid. The high-temperature-resistant and salt-resistant fracturing fluid prepared by the invention has excellent high-temperature resistance and salt resistance.

The application relates to a dry powder drag reducer for fracturing fluid and a preparation method thereof, and belongs to the technical field of drag reducers; the dry powder drag reducer is copolymerized and modified by preparing a polymerizable modifier, aromatic rings and sulfonic acid ion structures are introduced into the dry powder drag reducer, the high-temperature resistance and salt resistance of the dry powder drag reducer are effectively improved, in addition, the modified dry powder drag reducer structure also has a catechol structure, can form a stable five-membered ring borate with a boron crosslinking agent, and the dry powder drag reducer can be mixed with a guar gum drag reducer when the boron drag reducer is used, so that the problem of poor sand carrying capacity of the dry powder drag reducer is effectively solved.

The invention discloses an elastic chewable nicotine oral product and a preparation method thereof. The elastic chewable nicotine oral product comprises a nicotine source and an additive, the nicotine source is dissolved in the mixed solution of the additive, so that the nicotine oral product forms a soft elastomer, and the nicotine is slowly released in the oral cavity through chewing; the nicotine source is extracted or chemically synthesized from tobacco; the additive comprises a gelling agent, and the gelling agent comprises one or a combination of more of gelatin, agar, konjac polysaccharide, xanthan gum, pectin, carrageenan, sodium alginate, semen plantaginis polysaccharide, guar gum, gellan gum, curdlan, whey protein, casein or soybean protein. The gel is added into the carrier to realize physical embedding of the nicotine, the elastic and chewable oral nicotine product can be obtained without bonding fixation, and the nicotine is released through gel swelling-diffusion regulation, so that the oral nicotine product has no residue in the oral cavity and does not pollute the package when being used, and the purposes of dynamically releasing the nicotine and improving the consumption experience are realized.

The invention discloses an aqueous film-forming foam extinguishing agent based on a short fluorocarbon chain, and relates to the technical field of extinguishing agents. The invention discloses an aqueous film-forming foam extinguishing agent based on a short fluorocarbon chain. The cleaning agent is prepared from the following raw materials in parts by weight: 8 to 12 parts of modified short fluorocarbon chain surfactant, 5 to 8 parts of dodecyl dimethyl betaine, 50 to 60 parts of deionized water, 2 to 4 parts of modified guar gum, 4 to 6 parts of ethylene glycol, 1 to 2 parts of benzotriazole, 0.5 to 1 part of sodium bicarbonate, 0.3 to 0.5 part of polydimethylsiloxane, 3 to 5 parts of decabromodiphenyl ethane and 1 to 2 parts of sodium carboxymethyl cellulose. 0.5 to 1 part of disodium ethylene diamine tetraacetate, 0.2 to 0.4 part of isothiazolinone and 0.5 to 1 part of nano silicon dioxide. According to the aqueous film-forming foam extinguishing agent based on the short fluorocarbon chain, the modified short fluorocarbon chain surfactant and the nano silicon dioxide cooperate, so that a film is formed quickly and compactly, and the extinguishing efficiency is high; the modified guar gum improves the foam stability, and the foam holding time is long; the raw material ratio is scientific, and both equipment protection and fire control are considered; the preparation process is rigorous, the product quality is stable, and various fire extinguishing scenes are adapted.

The invention relates to a dry powder drag reducer for fracturing fluid and a preparation method thereof, and belongs to the technical field of drag reducers. The dry powder drag reducer is subjected to copolymerization modification by preparing the polymerizable modifier, an aromatic ring and sulfonic acid ion structure is introduced into the dry powder drag reducer, the high temperature resistance and salt resistance of the dry powder drag reducer are effectively improved, in addition, the modified dry powder drag reducer structure further has a catechol structure, and the modified dry powder drag reducer has a good application prospect. The dry powder drag reducer can form stable five-membered ring boric acid ester with a boron cross-linking agent, when the boron drag reducer is used, the dry powder drag reducer can be mixed with a guar gum drag reducer for use, and the problem that the dry powder drag reducer is poor in sand carrying capacity is effectively solved.

The invention provides a method for solidifying soft soil through the biological mineralization effect of guar gum and a urease-producing strain, the urease-producing strain is bacillus pasteurii DC419, and the preservation number of the urease-producing strain is CCTCC (China Center for Type Culture Collection) NO: M 20222038. The method for solidifying the soft soil comprises the following steps: mixing urease-producing strain fermentation liquor and cementing liquid to obtain mixed liquor; soft soil and guar gum are evenly mixed, the mixed solution is added, the mixture is evenly mixed and then stands still, and solidification of the soft soil is achieved. The soft soil cured by the method disclosed by the invention has relatively high compressive strength and relatively good waterproof capability.

The invention discloses an ultrahigh-temperature and high-salinity water-based guanidine gum fracturing fluid and a preparation method thereof. The guanidine gum fracturing fluid is prepared from a base fluid, a buffering agent, a cage-shaped molecule composite cross-linking agent and a gel breaker according to the mass ratio of 100: (0.1 to 0.6): (0.2 to 0.8): (0.01 to 0.08), the base solution is prepared from the following components in percentage by weight: 0.55 to 0.6 percent of a cyclodextrin modified thickening agent, 0.1 to 0.6 percent of a composite antioxidant, 0.4 to 0.8 percent of a multi-effect auxiliary agent, 0.1 to 0.2 percent of a sterilizing agent and the balance of hypersalinity water. According to the ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid, through chemical modification of the guanidine gum thickening agent and synergistic interaction of various additives, the ultrahigh-temperature hypersalinity water-based guanidine gum fracturing fluid can resist the temperature of 200 DEG C, can be directly prepared by using hypersalinity water, realizes good fracture forming, sand carrying, temperature resistance and shearing resistance, and is low in filtration loss and damage; and the requirements of fracturing construction of ultra-deep ultra-high-temperature low-permeability reservoirs of offshore and onshore oil fields are met.

The application belongs to the technical field of food, and particularly relates to a low GI oat bar and a preparation method thereof. The low GI oat bar comprises the following raw materials in parts by weight: oat 150-200 parts, flour 20-40 parts, nut 20-40 parts, dried fruit 20-40 parts, whey protein powder 10-30 parts, isomaltulose 40-80 parts, guar gum 5-10 parts, vegetable oil 10-20 parts, butter 5-15 parts, water 40-60 parts and salt 0.5-2 parts. The low GI oat bar provided by the application is crisp in texture, and the problems of tooth sticking and surface cracking during storage are well solved, and the functionality and eating experience of the product are improved.

The invention provides a temperature-sensitive hydrogel fire extinguishing additive, a preparation method thereof and a fire extinguishing agent. The temperature-sensitive hydrogel fire extinguishing additive is prepared from the following raw materials in parts by mass: 1 to 3 parts of methyl cellulose, 2 to 6 parts of cross-linking agent, 2 to 12 parts of lubricant, 10 to 20 parts of metal salt, 1 to 3 parts of hydrocarbon surfactant, 3 to 6 parts of phosphorus flame retardant, 3 to 5 parts of cosolvent and 1 to 5 parts of heat stabilizer. The cross-linking agent is selected from one or more of sodium alginate, sodium polyacrylate, polyacrylamide, carrageenan, guar gum, xanthan gum, genipin, tannic acid and sodium carboxymethyl cellulose, and the lubricant is polyethylene glycol and / or polyvinyl alcohol. The temperature-sensitive hydrogel fire extinguishing additive disclosed by the invention is non-toxic, harmless, non-corrosive, environment-friendly, easy to degrade, easy to prepare and store, low in viscosity, high in critical transition temperature and high in gelling speed, and can extinguish a fire disaster of the lithium ion battery more quickly, avoid re-combustion of the lithium ion battery and realize continuous cooling of the battery at the same time.

The invention discloses a fluoride-free strong-acid-free reverse flotation method for extracting a high-purity quartz sand flotation product from granite pegmatite, and belongs to the technical field of mineral flotation. The method comprises the following steps: carrying out graded crushing and ore grinding on granite pegmatite to obtain slurry to be treated; carrying out wet magnetic separation on the to-be-treated slurry to obtain ore pulp after magnetic separation and magnetic-containing minerals; the pH value of the ore pulp is not adjusted, reverse flotation is carried out in the presence of a quartz mixed inhibitor, and a feldspar product and a quartz product are obtained; the quartz mixed inhibitor is a combination of a component A and a component B, wherein the component A is selected from at least one of sodium metasilicate, sodium tripolyphosphate, sodium hexametaphosphate, carboxymethyl cellulose and salinized water glass; the component B is selected from at least one of guar gum, Arabic gum, sodium humate and citric acid. The method is free of fluorine and strong acid, green and efficient, and is a method for preparing high-purity quartz sand from pegmatite with high industrial application feasibility.

The invention aims to provide a method for preparing a polyaluminum ferric silicate-guar gum composite flocculant by using red mud as a raw material, and belongs to the technical field of flocculant preparation.The method comprises the steps that the red mud is used as the raw material and subjected to roasting activation, acid leaching, alkaline leaching and other reactions, a polyaluminum ferric silicate flocculant is obtained and reacts with guar gum, and the polyaluminum ferric silicate-guar gum composite flocculant is obtained. The polyaluminum ferric silicate-guar gum composite flocculant is obtained. Through the synergistic effect of an inorganic macromolecular chain (providing charge neutralization and a preliminary floc skeleton) of the polysilicate aluminum ferric and a natural polysaccharide chain (enhancing bridging adsorption and floc ductility) of the guar gum, the floc forming speed is increased, and the sedimentation efficiency is improved.

The invention relates to the technical field of bioengineering, in particular to a process for continuously producing nicotine based on immobilized enzyme. The immobilized microbial agent comprises a composite carrier, an engineering strain and an immobilized auxiliary agent, in the process for continuously producing nicotine based on immobilized enzyme, amine oxidase of an engineering strain is subjected to site-specific modification, so that spatial structure deformation when the amine oxidase is combined with a carrier is reduced, and a three-dimensional network structure of hydroxyethyl chitosan-guar gum composite microspheres in the composite carrier is matched to provide an adaptive microenvironment; the activity loss of enzyme molecules caused by steric hindrance or structural change is reduced; in the immobilization auxiliary agent, gallic acid and an enzyme molecule sulfydryl form a coordinate bond to maintain an active center conformation, glutaraldehyde and polyethyleneimine enhance the binding stability through a crosslinking effect and charge regulation, and the maintaining effect of enzyme activity during continuous production is improved, so that the enzyme activity loss in the immobilization process is reduced, and the immobilization efficiency is improved. The stability of the enzyme in long-term continuous reaction is enhanced.

The invention belongs to the technical field of flocculants, and particularly provides a wastewater treatment flocculant and a preparation method thereof.The preparation method of the wastewater treatment flocculant comprises the following steps that 1, guar gum and isopropyl acrylamide react to prepare a precursor A; guar gum reacts with sodium methacrylate to prepare a precursor material B; and 2) uniformly mixing deionized water, the precursor material A, the precursor material B and a glucan derivative polymer, then adding a monomer and an initiator, and carrying out a photo-initiation reaction, purification and drying to obtain the flocculant. The prepared flocculant has the advantages of good flocculation effect and applicability to a complex sewage system.

The application discloses application of white ginseng mushroom in preparation of a medicine for treating hyperuricemia, and belongs to the technical field of deep processing of edible mushrooms. The white ginseng mushroom is vacuum freeze-dried, ground into powder, other traditional Chinese medicine ingredients are extracted, concentrated, and spray-dried into powder; the white ginseng mushroom powder is mixed with sodium carboxymethyl cellulose and guar gum solution to form a mushroom suspension colloid, the microcapsules are collected after being dropped into a calcium-containing aqueous solution; the microcapsules are immersed in a high polymer compound solution for treatment, finally mixed with a stabilizer paste, and then filled after being treated by a high-pressure homogenizer and sterilized. Compared with the prior art, the medicine has good stability in simulated gastric juice, can be quickly released in simulated intestinal juice, significantly improves the bioavailability and curative effect of the medicine, can effectively reduce the serum uric acid level, improve liver and kidney functions, and regulate the intestinal flora structure, and has a significant uric acid-lowering effect and multi-target synergistic effect.

The invention relates to a modification method of a warm-keeping anti-migration down feather fiber material, and belongs to the technical field of feather fiber treatment. Down feather is activated through sodium bicarbonate and fatty alcohol-polyoxyethylene ether, bottom layer anchoring and protection are carried out through PDA-PEI, dynamic covalent cross-linked network construction is carried out through a modification liquid I, and hydrophobic aerogel loading is carried out through a modification liquid II. The modified liquid I contains polyvinyl alcohol, borax, a water-based anionic aliphatic polyurethane resin dispersion, a BYK-349 surfactant, guar hydroxypropyltrimethyl ammonium chloride and the like; the modified liquid II is prepared from hydrophobic nano silicon dioxide aerogel powder, a KH550 silane coupling agent, a BYK-111 dispersing agent, polyether modified polydimethylsiloxane, cetyl phosphate, absolute ethyl alcohol, ammonia water and the like. A three-layer structure of bottom layer anchoring, middle buffering and surface layer dewatering is formed, and through cooperation of the three layers, the initial filling power retention rate is very high, heat and humidity resistance is achieved, the heat preservation performance is good, durability is good, and performance attenuation is slow.

The present invention belongs to the field of detection and relates to a method for determining guar gum content. The method comprises: extracting guar gum from reconstituted tobacco leaf base by soaking and shaking with an aqueous solution; evaporating the extract to dryness; decomposing the guar gum into mannose and galactose by acid hydrolysis; and then detecting the mannose and galactose contents by ion chromatography, thereby converting the guar gum content. The method can accurately determine the guar gum content in reconstituted tobacco leaf base and is simple to operate.

The invention relates to a shield tunnel stratum adaptive foaming agent based on gas-liquid regulation and a preparation method thereof, and belongs to the technical field of shield muck improvement. The invention provides a shield tunnel stratum adaptive foaming agent based on gas-liquid regulation and control, and also provides a preparation method of the shield tunnel stratum adaptive foaming agent. The foaming agent is prepared by adopting dual-system adaptation and a dispersing type formula (K < 12 > + CTAB + Na2CO3 or K < 12 > + OP-10 + Na4P2O3), so that the problem of clay agglomeration is solved, and a polymeric formula (K < 12 > + AES + CMC or K < 12 > + OP-10 + guar gum) is used for enhancing the cohesive force of sandy soil; gas-liquid cooperative control is adopted, and the foaming ratio is larger than 22 when the gas-liquid ratio is 121: 1 and the pressure is 0.3 MPa through mixing bin structure optimization and glass ball filling refinement; the cost is reduced by 80%, and the industrial production raw material cost is less than or equal to 442 yuan / ton.

The invention relates to the technical field of ceramic substrates, and provides a multilayer ceramic substrate metallization method, which comprises the following steps: S1, cleaning and drying a ceramic substrate to obtain a treated ceramic substrate; s2, printing the printing slurry on the treated ceramic substrate, and carrying out drying, lamination, pressing and sintering to obtain a metalized multilayer ceramic substrate; the printing paste comprises the following components in parts by weight: 80 parts of conductive powder, 4-8 parts of zinc oxide, 8-12 parts of boric oxide, 3-5 parts of bismuth oxide, 5-10 parts of titanium-doped aluminum oxide, 4-8 parts of guar gum, 1-2 parts of hydrogenated castor oil and 15-20 parts of a solvent; the titanium-doped aluminum oxide comprises the following raw materials: aluminum oxide and water-soluble titanium salt in a weight ratio of 18: (2-7). According to the technical scheme, the problem that the heat-conducting property of the ceramic substrate is poor when the glass powder is added in the prior art is solved.

This invention proposes a rapid pretreatment agent for guar gum fracturing flowback fluid, its preparation method, and its application. The agent is prepared according to the following mass fractions: acid 0.025%–3.0%, kaolin 66.6%–85%, and polyaluminum chloride 12.0%–33.3%. The rapid pretreatment agent, preparation method, and application of this invention for guar gum fracturing flowback fluid have advantages such as being non-toxic and harmless, easy to store, convenient to add, fast flocculation speed, easy floc separation, and low cost. It is suitable for use in wastewater treatment plants or tanker transport, minimizing the damage to subsequent wastewater treatment equipment and the impact on the treatment system caused by guar gum fragments. The treatment method optimizes the agent usage, reduces operating costs, and lowers the load on subsequent treatment processes.

The invention belongs to the technical field of packaging materials. The invention relates to an adhesive, in particular to a PVA adhesive tape adhesive and a preparation method thereof. The preparation method comprises the following specific preparation steps: mixing guar gum and water according to a mass ratio of 1: (15-20) for swelling, adding endo-beta-glucanase accounting for 0.3-0.5% of the mass of the guar gum, carrying out ultrasonic enzymolysis reaction for 30-45 minutes under the conditions that the pH is 5.0-5.2, the temperature is 48-52 DEG C and the ultrasonic frequency is 50-60 kHz, heating for enzyme deactivation, and cooling to obtain an activated vegetable gum solution; uniformly stirring and mixing a PVA (Polyvinyl Alcohol) solution and the activated vegetable glue solution, adding a thickening agent solution, continuously stirring and mixing uniformly, adding a composite modifier and potassium persulfate, carrying out heat preservation curing reaction for 2-4 hours at the temperature of 40-45 DEG C, aging for 24-36 hours, and discharging to obtain a mixed glue solution; and coating the mixed adhesive solution, and drying to obtain the PVA adhesive tape adhesive.

The invention discloses a rolling method for an antibacterial titanium alloy plate, relating to the technical field of titanium alloy materials. An antibacterial agent, modified chitosan and guar gum are mixed, glycerol is used as a plasticizer, and ammonium tripolyphosphate is used as a cross-linking agent to prepare an antibacterial coating, which is then coated on the surface of the titanium alloy. The alkylated chitosan has a long hydrophobic chain and is tightly cross-linked with the guar gum under the cross-linking action of sodium tripolyphosphate, thereby synergistically improving the hydrophobic effect of the coating and blocking the adhesion of moisture and bacteria. Silver nanoparticles are evenly dispersed on the surface of montmorillonite. Through the effective combination of the two antibacterial effects, the antibacterial effect of the coating is fully exerted, while also protecting the titanium alloy plate and improving its corrosion resistance.

This invention discloses a formaldehyde-free modified guar gum wood adhesive, its preparation method, and its application, belonging to the field of wood adhesive technology. It aims to solve the problems of environmental pollution caused by traditional formaldehyde-containing adhesives and the poor water resistance and insufficient bonding strength of guar gum itself. The method includes: dissolving guar gum and then oxidizing and degrading it with hydrogen peroxide, followed by activation with a silane coupling agent, reinforcement with polyvinyl alcohol, and modification by butyl acrylate graft copolymerization. Finally, a cross-linking reaction is carried out simultaneously with the addition of a wood interface modifier composed of sodium lignosulfonate, quaternized chitosan, nano-cellulose whiskers, and nano-zirconia supported zirconium phosphate. The reaction environment is optimized by adjusting the pH of the system to 6.0-6.5. The adhesive obtained by this invention is environmentally friendly and formaldehyde-free, suitable for high-strength bonding of eucalyptus plywood.

This invention relates to the field of catalyst technology, and particularly to a method for preparing and applying a 1T phase molybdenum disulfide quantum dot-supported BN-doped guar gum carbon aerogel hydrogen evolution catalyst. The method includes the following steps: First, appropriate amounts of guar gum, boron source, and nitrogen source are weighed and dissolved in deionized water, and allowed to stand at a constant temperature to allow the guar gum to fully expand. Then, an appropriate amount of crosslinking agent is added to form a guar gum hydrogel. After freeze-drying the hydrogel, it is carbonized at high temperature under a nitrogen and argon atmosphere to obtain BN-doped guar gum carbon aerogel. Next, appropriate amounts of molybdenum source and sulfur source are weighed and dissolved in deionized water, stirred evenly, and then added to the above-mentioned BN-doped guar gum carbon aerogel. The carrier is then fully dispersed by magnetic stirring at a constant temperature. Finally, the resulting solution is transferred to a hydrothermal reactor, and the reaction is carried out at a suitable high temperature for a suitable time. The reaction product is centrifuged, washed, vacuum dried, and ultrasonically pulverized to obtain the catalyst. The catalyst prepared by this invention exhibits excellent catalytic performance in the field of water electrolysis for hydrogen evolution.

The utility model discloses an automatic guar gum carton sealing machine which comprises a carton sealing machine body, and idler wheels are arranged on the lower side of the carton sealing machine body. The automatic guar gum carton sealing machine is provided with a gear plate and an annular rack plate, an annular support can be driven to rotate through starting of a first motor, a fixing column can rotate through rotation of the annular support, and the gear plate can automatically rotate through the annular rack plate through rotation of the fixing column; a movable block can move through automatic rotation of a gear plate, the movement of the movable block can drive a telescopic rod to move in a reciprocating mode through a limiting groove, and therefore a pushing plate can be driven to move in a reciprocating mode, and in the reciprocating movement process of the pushing plate, a carton above the containing table can be pushed into the inner side of the carton sealing machine to be sealed; the situation that time and labor are wasted due to the fact that most automatic carton sealing machines manually place cartons and the cartons need to be manually pushed into the inner sides of the carton sealing machines to seal the cartons after being placed is avoided.

This invention proposes a combined inhibitor for separating bastnaesite and monazite, along with its method and application. The raw materials for the combined inhibitor include small organic molecules and microbial polysaccharides; the small organic molecules include one or more of oxalic acid, malic acid, tartaric acid, lactic acid, succinic acid, and citric acid; the microbial polysaccharides include one or more of currant gum, guar gum, xanthan gum, and gellan gum. This invention achieves highly selective inhibition of monazite on the mineral surface through the synergistic adsorption and action of the inhibitor, with small organic molecules and microbial polysaccharides as the main components, thereby efficiently separating bastnaesite under mild flotation conditions. It offers advantages such as good selectivity, strong action, low reagent cost, and environmental friendliness.

This invention discloses an energy-enhancing water-based fracturing fluid, its preparation method, and its application, relating to the field of oilfield fracturing fluid technology. The preparation method includes: adding N,N-dimethylformamide as a solvent, then adding 2,3-epoxypropyl octadecenoic acid and acetic acid, followed by post-treatment to obtain solid intermediate monomer I; mixing sodium bisulfite with water and adding monomer I, along with an appropriate amount of catalyst, followed by treatment after the reaction to obtain intermediate monomer II; adding a zirconium salt solution of zirconium oxychloride dropwise to the monomer II solution and adjusting the pH to obtain a crosslinking agent. The crosslinking agent is then added to a guar gum thickener for crosslinking to obtain the fracturing fluid. The fracturing fluid uses viscosity-reducing molecules as ligands to synthesize an organozirconium crosslinking agent. During the crosslinking process, the original coordination bonds in the crosslinking agent break, releasing viscosity-reducing molecules, thereby enhancing the strength, solubility, and emulsifying and dispersing ability of the crosslinking agent. This imparts viscosity-reducing capabilities to the fracturing fluid, simplifying the process, shortening the time, and improving efficiency.

The application discloses an environment-friendly partially neutralized sodium polyacrylate production process and relates to the technical field of sodium polyacrylate preparation. The process comprises the following raw materials in parts by weight: 20-25 parts of acrylic acid, 85-95 parts of deionized water, 7.8-8.4 parts of sodium hydroxide, 0.25-0.30 parts of a functional monomer, 0.08-0.1 parts of a crosslinking agent, 0.5-0.7 parts of a cosolvent, 0.6-0.75 parts of a surface crosslinking agent. The environment-friendly partially neutralized sodium polyacrylate is obtained by the UV light catalytic polymerization reaction of the partially neutralized sodium polyacrylate and the functional monomer in a solution, and then by the stirring reaction of the solution after the spraying of the surface crosslinking agent solution. The synthesized functional monomer comprises a terminal carbon-carbon double bond, attapulgite and guar gum. The environment-friendly partially neutralized sodium polyacrylate gel has good gel strength, high salt resistance and excellent elasticity, and the production process has high environmental protection, so it is worth being popularized and used.

The invention discloses application of schizophyllumcommuneh in preparation of a medicine for treating hyperuricemia, and belongs to the technical field of deep processing of edible mushrooms. Schizophyllumcommuneh is subjected to vacuum freeze drying and then ground into powder, and other traditional Chinese medicine components are subjected to extraction, concentration and spray drying to form powder; schizophyllumcommuneh powder is mixed with sodium carboxymethyl cellulose and a guar gum solution to form bacterial suspension colloid, the bacterial suspension colloid is dropped into a calcium-containing aqueous solution to be treated, and then microcapsules are collected; immersing the microcapsules into a high-molecular compound solution for treatment, finally mixing with stabilizer mucilage, treating by a high-pressure homogenizer, sterilizing and filling. Compared with the prior art, the medicine disclosed by the invention has good stability in simulated gastric juice and can be quickly released in simulated intestinal juice, the bioavailability and curative effect of the medicine are remarkably improved, the serum uric acid level can be effectively reduced, the liver and kidney functions can be improved, the intestinal flora structure can be adjusted, and the medicine has a remarkable uric acid reducing effect and a multi-target synergistic effect.