51results about How to "Increase viscosity" patented technology

The application discloses a gelatinous material prepared by using industrial waste residues and used for oilfield water layer plugging, a preparation method and a water plugging cement slurry, and relates to the technical field of oilfield water plugging materials. The gelatinous material is composed of 25-40 parts of superfine siliceous material, 50-65 parts of superfine calcareous material, 4-8 parts of superfine silico-aluminous material, 1-2 parts of nano calcium silicate, 2-4 parts of superfine expanding agent and 1-3 parts of starch density stabilizer in terms of weight percentage. The application solves the technical problems of low plugging strength, poor plugging effect, poor durability and high cost of the existing water plugging materials, and meets the oilfield water layer plugging requirements of different working conditions.

The utility model provides a panel supporting structure and a display device.The panel supporting structure is used for being arranged on the non-display side of a display panel so as to support the display panel; the panel supporting structure comprises a supporting back plate which is provided with a bendable area, and the bendable area comprises an opening area and a non-opening area; the covering film at least covers one side, deviating from the display panel, of the bendable area; wherein at least one of the supporting back plate and the covering film is internally provided with a shear thickening material layer, and at least part of the shear thickening material layer is arranged at the position corresponding to the opening area. According to the panel supporting structure and the display device, the mechanical strength of the display device can be improved.

The present application relates to acoustic equipment technology, and discloses a micro loudspeaker, which comprises a loudspeaker assembly and a sound absorption assembly.The loudspeaker assembly comprises a diaphragm and a paper tube, and the paper tube is provided with a second ball groove at the end thereof.The sound absorption assembly comprises a fixed cavity and an induction unit, and the induction unit is used for increasing the sound absorption coefficient at low frequency and suppressing the sound absorption coefficient at high frequency.At low frequency, the current of the induction coil is increased, the magnetic field intensity of the induction coil is increased, the viscosity of the magneto-rheological fluid is increased, and the sound absorption coefficient is increased.At high frequency, the current of the induction coil is reduced, the magnetic field intensity of the induction coil is reduced, the viscosity of the magneto-rheological fluid is reduced, the sound absorption coefficient is reduced, and the sound absorption requirement of the target frequency band is accurately matched.The present application further discloses a loudspeaker assembly which is composed of one or more micro loudspeakers.

This invention discloses a load 32 The preparation method of the ultrathin sheet-like chitosan hydrogel applicator of P includes: (1) preparing a chitosan aqueous solution; (2) adding methacrylic anhydride to the chitosan aqueous solution to obtain methacrylated chitosan; (3) preparing a methacrylated chitosan aqueous solution; (4) adding 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylphenylacetone to the methacrylated chitosan aqueous solution to obtain a chitosan hydrogel precursor solution; (5) coating the inner wall of a polytetrafluoroethylene mold with a superhydrophilic coating; (6) adding Na2H 32 PO4 aqueous solution and chitosan hydrogel precursor solution are added to the mold, stirred and then cured by light; (7) the cured hydrogel is taken out and sealed between two layers of transparent tape. This application can prepare an ultra-thin hydrogel applicator, thereby reducing the obstruction of radiation by the hydrogel material itself and enhancing the therapeutic effect of the applicator.

The invention relates to a quick-washing residue-free laundry detergent. The quick-washing residue-free laundry detergent is prepared from the following raw material components: a double-block nonionic surfactant, an anionic surfactant, a biological enzyme compound, a thickening agent and an auxiliary agent, wherein the diblock type nonionic surfactant is ethoxylated and propoxylated C16-18 alcohol, and the diblock type nonionic surfactant is ethoxylated and propoxylated C16-18 alcohol. The core innovation of the invention lies in that ethoxylated propoxylated C16-18 alcohol is adopted as a main surfactant, is synergistically compounded with an anionic surfactant and a biological enzyme system, and is combined with PEG-120 methyl glucose sesquistearate to form a composite surfactant system with the characteristics of rapid wetting, low-foam rapid bleaching and no residue.

The utility model relates to an exposed injection lead screw assembly and an injection molding machine thereof, the exposed injection lead screw assembly comprises a lead screw and a lead screw nut, the driving end of the lead screw is inserted into a bearing, and a grease injection hole penetrating through the inner side and the outer side is formed in the lead screw nut; the grease injection hole is filled with grease; the bearing is wrapped in a closed oil cavity, and the oil cavity is filled with lubricating oil. By the adoption of the design of the exposed lead screw, only the bearing part is lubricated through the closed oil cavity, the requirement for high-precision sealing is greatly reduced, and a complex cylinder barrel sealing structure in traditional oil immersion lubrication is avoided. Therefore, the processing and assembling difficulty is reduced, and the risk of lubricating oil leakage caused by sealing failure is reduced, so that the manufacturing cost and the maintenance cost are reduced.

This invention discloses an apparatus and method for preparing fresh Dendrobium officinale extract, belonging to the field of medicinal plant processing. It solves the problems of low extraction rate of active ingredients, loss of heat-sensitive components, short shelf life, high cost, and difficulty in industrialization in existing fresh Dendrobium officinale processing methods. The apparatus consists of a cutting machine, an automatic conveying system, a pure copper tank, a dedicated grinder, a plate centrifuge, a homogenizer, a DSI instantaneous sterilizer, and a Class 100 aseptic filling platform connected sequentially, adaptable to the entire fresh Dendrobium officinale processing flow. The method uses fresh stems of Dendrobium officinale (green-stemmed ironwood / Dendrobium huoshanense) as raw material. After pretreatment and 2-5mm slicing, the stems are ground with tap water boiled and cooled to 2-8℃ in a copper tank at a material-to-liquid ratio of 1:15-30 to break the cell walls. The mixture then undergoes solid-liquid separation, homogenization, DSI instantaneous sterilization, and aseptic filling to obtain the finished product. The total time from slicing to sterilization is ≤4 hours. This invention improves the retention and yield of active ingredients (95.5%), reduces overall costs by 21.95%, and the product has a shelf life of over 6 months at room temperature away from light. It has a bright green color, a strong gelatinous texture, and can be compounded or further processed, resulting in high market value.

This invention belongs to the field of toothpaste technology, specifically relating to a compound honeysuckle herbal toothpaste for treating oral ulcers and dental caries, and its preparation method. The toothpaste contains the following ingredients: honeysuckle extract, angelica dahurica extract, bletilla striata extract, licorice extract, cellulose gum, sorbitol, sodium monofluorophosphate, sodium benzoate, hydrated silica, sodium lauryl sulfate, sodium saccharin, and deionized water. The preparation process includes ultrafine grinding, two water extractions, low-temperature concentration, and graded filtration to prepare the herbal extracts, which are then mixed and homogenized with a matrix to obtain a stable gel paste. This process improves the extraction of beneficial components from the herbal extracts and achieves synergistic effects on multiple targets. This novel formulation has been demonstrated in rat oral ulcer experiments to significantly reduce ulcer diameter, accelerate healing, and reduce irritation. It has a mild and safe effect on the oral mucosa and is suitable for daily care in people prone to oral ulcers and those with sensitive mouths. This invention has a scientifically formulated, stable, and effective formula with promising application prospects.

The invention relates to the technical field of air bricks, in particular to an anti-erosion air brick and a preparation process thereof, and the anti-erosion air brick comprises the following components: fused magnesite particles, crystalline flake graphite, modified zirconia fine powder, metal aluminum fine powder, boron carbide fine powder and phenolic resin. According to the invention, through modified titanate and modified boric acid, a composite coating layer is constructed on the surface of zirconium oxide, and a titanium dioxide compact layer is generated in situ by using a titanium component at a high temperature, so that erosion of calcium oxide in slag is blocked; meanwhile, the boron component forms a high-melting-point phase to fill grain boundary pores, and slag permeation and harmful dendritic crystal precipitation are inhibited, so that the structural stability and slag corrosion resistance of the air brick are improved.

The application provides an edible active coating for preventing dry consumption under an ultralow temperature condition and a preparation method, and belongs to the technical field of active packaging. The application combines double-layer coatings, inhibits free radical oxidation generated by freezing through an inner antioxidant, and effectively locks water and blocks external oxygen permeation through the synergistic effect of an outer high-barrier structure, thereby significantly improving the freezing preservation effect of food, and the raw materials are natural and safe, the preparation method is reasonable, and the application has good practical application value. The application solves the problems of poor effects of edible freezing protection coatings suitable for extremely cold environments in the prior art.

This invention discloses a nutritional composition and preparation method for improving joint health in senior pets. The nutritional composition comprises: N-acetylglucosamine, chondroitin sulfate, methanesulfonylmethane, unsaponifiable avocado and soybean extract, hyaluronic acid, curcumin microcapsule powder, and high-concentration fish oil. This invention uses a lipid / polysaccharide bilayer microcapsule structure to encapsulate curcumin and fish oil, and prepares the product through low-temperature homogenization, spray drying, and granulation processes. The composition of this invention works synergistically through multiple pathways, simultaneously exerting effects on three key levels: anti-inflammation, lubrication, and cartilage repair. It can significantly inhibit joint inflammation, improve joint lubrication, and promote cartilage repair. This invention solves the problems of existing pet joint products, such as single pathways of action, low stability and bioavailability of lipid-soluble active ingredients, and lack of overall formulation optimization tailored to the characteristics of aging pets. It is suitable for daily joint health maintenance or adjunctive treatment in middle-aged and senior dogs and cats.

This application discloses a toothpaste thickening composition, a method for preparing the thickening composition, a toothpaste containing the thickening composition, and the application of the thickening composition in toothpaste preparation. The thickening composition includes a thickener and a humectant, and the thickener includes microcrystalline cellulose and carboxymethyl cellulose salt. The thickening composition of this application can improve the properties of toothpaste and has good versatility, making it suitable for various toothpaste formulations. This can help improve the efficiency of toothpaste product development and production, and the prepared toothpaste provides a good user experience.

The invention discloses a natural high-modulus asphalt particle size detection method based on an image recognition technology, which comprises the following steps: heating natural high-modulus asphalt to be detected to a flowing state, and preparing a film sample on a glass slide; performing multi-view-field image acquisition on the film sample in a microscopic imaging system to obtain an asphalt particle image; identifying natural rock asphalt particles in the asphalt particle image, and counting particle size distribution parameters of the natural rock asphalt particles; and determining the storage stability of the natural high-modulus asphalt to be detected based on the particle size distribution parameters. According to the natural high-modulus asphalt particle size detection method disclosed by the invention, efficient detection and stable control on the particle size state and the storage stability of the natural high-modulus asphalt are realized.

This utility model discloses a mobile fireproof coating delivery pump, including an electric mobile vehicle. A pump body hopper is movably connected to the upper end of the rear of the electric mobile vehicle. A filter screen safety protection structure is provided at the upper end of the pump body hopper. A delivery pump is diagonally inserted into the pump body hopper. The output end of the delivery pump is provided with a discharge port. The electric mobile vehicle includes a supporting frame. An L-shaped tubular fixing frame is fixedly connected to the supporting frame. Both sides of the bottom end of the L-shaped tubular fixing frame are provided with hopper limiting plates. Both sides of the upper end of the L-shaped tubular fixing frame are provided with hopper locks for locking the pump body hopper to fix or release it. A limiting pull wire is provided on one side of the upper end of the L-shaped tubular fixing frame for limiting the pump body hopper after it is flipped. A bushing is provided at the rear of the L-shaped tubular fixing frame. The pump body hopper can be flipped at an angle using the bushing as a fulcrum. Advantages: The combination of the transportation vehicle and the delivery pump in an integrated design saves costs and improves efficiency.

The invention discloses a video exporting method, device and equipment, a medium and a product. The method comprises the following steps: in response to an exporting operation for a video draft, exporting the video draft; in response to completion of exporting of the video draft, obtaining at least one piece of video attribute data corresponding to the video draft; according to the at least one piece of video attribute data, determining at least one attribute increment virtual resource of a user to which the video draft belongs; wherein the at least one piece of video attribute data is in one-to-one correspondence with the at least one attribute increment virtual resource; and according to the at least one attribute increment virtual resource, determining a target increment virtual resource, and according to the target increment virtual resource, determining a virtual resource amount of the user, thereby solving a problem that a traditional video editing application cannot objectively reflect user differences, and improving user viscosity.

The utility model discloses a drilling fluid slurry unloading and transferring device, and relates to the technical field of drilling fluid slurry. The drilling fluid slurry unloading and transferring device comprises a rack, a slurry inlet and slag pump, a slurry screening machine, a circulation slurry storage box and a slurry outlet and slag pump are arranged on the rack, an outlet of the slurry inlet and slag pump is communicated with a slurry inlet of the slurry screening machine, and a solid phase outlet of the slurry screening machine is formed in one side of the rack. A slurry outlet of the slurry screening machine is communicated with an inner cavity of a circulation slurry storage box arranged below the slurry screening machine, and the inner cavity of the circulation slurry storage box is further communicated with an inlet of a slurry discharging and slag slurry pump. The device can replace an existing passive unloading mode that a tank body inclines and depends on self-weight flow guiding of the slurry, the unloading efficiency of the slurry transport vehicle is remarkably improved, meanwhile, the unloaded drilling fluid slurry can be screened, solid-phase particles exceeding the standard are screened out, the performance of the drilling fluid slurry is improved, and the service life of the drilling fluid transport vehicle is prolonged. The influence on subsequent drilling operation caused by performance degradation of the drilling fluid slurry is avoided.

The application discloses a kind of side slope anti-skid device and use method, including connecting device, the inside of the connecting device is provided with wetting device, the outside of the wetting device is provided with covering device, the bottom of the covering device is provided with buffer device, the connecting device includes slope body, the outer surface of the slope body is fixedly connected with baffle, the application relates to the technical field of protection, the application is wetted by being provided with wetting device, when equipment is used, slope body is equivalent to side slope, rubber cylinder is inserted in the inside of slope body, water pipe is injected into the inside of rubber cylinder by connecting pipe, finally, liquid water is discharged from through hole, by injecting a small amount of water into the inside of slope body, the moisture content of soil and gravel is controlled, the soil consistency is improved, while meeting the water requirement of vegetation on side slope, soil and gravel can also be prevented from loosening due to excessive dryness, to avoid landslide.

This utility model discloses an acrylic resin liquid filling device, relating to the field of acrylic resin liquid filling. It includes a placement box, a delivery pipe, a delivery pump, a container, an air blowing mechanism, and an air supply mechanism. The delivery pipe is fixedly connected to the upper left end of the placement box, and the delivery pump is fixedly connected to the delivery port of the delivery pipe. A container is fixedly connected to the bottom left end of the delivery pipe, and an air blowing mechanism is provided on the left side of the container. An air supply mechanism is fixedly connected to the top of the placement box. The air blowing mechanism uses two sets of nozzles to deliver external hot air to the outer wall of the delivery pipe, maintaining a suitable working temperature for the acrylic resin liquid and preventing the acrylic resin liquid from experiencing a decrease in flow rate due to low temperature, incomplete filling, or equipment overload. The air supply mechanism delivers nitrogen gas into the placement box, replacing the air at the top of the box to create an oxygen-free environment, preventing the acrylic resin liquid from increasing in viscosity and turning yellow.

The application belongs to the technical field of ink, and particularly relates to a preparation method of a photosensitive color-changing ink, comprising the following steps: adding modified photosensitive color-changing pigments, dispersants, defoaming agents, water-based polyurethane, thickening agents, leveling agents and cosolvents into water in sequence to obtain the photosensitive color-changing ink, and providing the mass ratio of the photosensitive color-changing ink. The application solves the defects of the existing photo-variable ink, utilizes the transparency and stability of the modified photosensitive color-changing pigments, thickening agents and defoaming agents to form stable light transfer, directly acts on the modified photosensitive color-changing pigments, and simultaneously, the photoelectric response of zinc oxide and the color-changing system of polyaniline form a synergistic photosensitive color-changing effect, so that a specific photosensitive color-changing ink is obtained.

The application discloses a molten material pumping system for a road marking machine, which comprises a plurality of inlets connected with the bottom outlet of a hot melting kettle, and the outlet of each inlet is connected with the inlet of a mixing cavity; the mixing cavity is a double-layer structure, the upper layer is provided with a pressurizing screw rod for pressurizing, the front end of the pressurizing screw rod is provided with a gear transmission device, and the gear transmission device is located on the top of the lower-layer inlet; the bottom of the mixing cavity is connected with a longitudinal material conveying part, the longitudinal material conveying part comprises a longitudinal material conveying screw rod, and the top of the longitudinal material conveying part is provided with an outlet. The device is a fast molten material pumping system designed for the road marking machine, which is characterized by high temperature, high viscosity and no bubbles of the molten material for the road marking machine, and the cooperation between the pipe diameter and the conveying screw rods improves the conveying efficiency, reduces the heat consumption of the molten material, and meets the normal use of the road marking machine.

The utility model discloses an anti-splashing jet printing system, which comprises a shell, a dilution mechanism and a temperature control mechanism, the upper end in the shell is fixedly connected with a heat preservation compartment, the rear end of the heat preservation compartment is provided with material conveying mechanisms which are symmetrically distributed left and right, the front side face of the shell is fixedly connected with a hose, and the front end of the hose is fixedly connected with a nozzle; the dilution mechanism comprises a dilution box, the dilution box is fixedly connected to the front end of the bottom wall of the heat preservation compartment, a filter is fixedly connected to the lower end of the dilution box, a filter element is arranged in the filter, a second peristaltic pump is fixedly connected to the bottom wall of the shell, and the lower end of the filter communicates with a liquid inlet pipeline of the second peristaltic pump; a liquid outlet pipeline of the second peristaltic pump penetrates through the hose to be communicated with the rear end of the nozzle, and the material conveying mechanism is matched with the dilution box. According to the anti-splashing jet printing system, the viscosity of the ink is controlled by controlling the temperature of the diluted ink, meanwhile, the filter is matched for filtering, and splashing is reduced.

The application discloses a laminating process method of a surface-gluing stator core. The method stacks multiple surface-gluing stator punching sheets with heat-curable adhesive layers to form a punching sheet group, heats the punching sheet group under a first axial pressure, and obtains variation data of a laminating height with time to determine a compression flow index; the high pressure is avoided from being applied before the compression flow index reaches a peak value, and a second axial pressure is applied to perform 2-8 times of pulsed short-time compaction when the compression flow index decreases from the peak value to a preset ratio; meanwhile, the boundary region and the main body bonding region of the punching sheet group are subjected to differential temperature control, so that the temperature of the boundary region is lower than that of the main body bonding region. After the pulsed short-time compaction, the differential temperature control is reduced or removed, and the heat preservation and curing and pressure maintaining and cooling shaping are performed. The method can control the pressure switching according to the actual flow state of the adhesive layer, reduces the risk of adhesive overflow at the end face, the inner circle, the outer circle and the tooth groove, and improves the laminating stability and forming quality of the surface-gluing stator core.

This invention provides a method for preparing germinated oat flakes based on a pretreatment with a medicinal and edible extract, comprising the following steps: S1, treating medicinal and edible components to obtain a medicinal and edible extract; S2, adjusting the pH of the medicinal and edible extract to 4.0-8.5, and adding cellulase to the extract to obtain an enzyme-containing extract; soaking washed oat grains in the enzyme-containing extract to obtain soaked oats; S3, germinating the soaked oats to a predetermined sprout length to obtain germinated oats; S4, steaming the germinated oats using steam generated from the medicinal and edible extract; S5, drying and pressing the steamed oats to obtain germinated oat flakes. The medicinal and edible components include plant materials containing polysaccharides and phenolic compounds.

The application belongs to the technical field of oilfield exploitation, and particularly relates to a foam stabilizer based on graded modification of Enteromorpha, and a preparation method and application thereof. The foam stabilizer comprises a foam stabilizer or a chelated foam stabilizer. The preparation method of the foam stabilizer comprises the following steps: step one, Enteromorpha pretreatment: washing and drying Enteromorpha, and then crushing; step two, hot water leaching separation: adding deionized water according to a solid-liquid ratio of 1:25-35, stirring and leaching at 85-95 DEG C for 4 h, and filtering to obtain filtrate and residue; and step three, preparation of the foam stabilizer or the chelated foam stabilizer: drying the residue at 80 DEG C for 24 h, and sieving through a 200-mesh sieve to obtain the foam stabilizer; and alkali-activating the foam stabilizer and then performing a carboxylation reaction to obtain the chelated foam stabilizer. The application realizes high-value utilization of waste, and has the advantages of mild process, low cost, excellent foam stabilization under high temperature and high salinity, and effectively makes up for the defects of the prior art.

This invention discloses a water-based adhesive-removing aerosol and its preparation method, relating to the field of daily chemical product technology. The water-based adhesive-removing aerosol comprises the following components by weight percentage: 60-92% water-in-oil emulsion; 8-40% LPG propellant; the water-in-oil emulsion includes an oil phase and an aqueous phase; the weight ratio of the oil phase to the aqueous phase in the water-in-oil emulsion is 1:(1-5); the oil phase includes a mixture of terpenes and emulsifiers or a mixture of terpenes, alkane solvents, and emulsifiers, wherein the terpenes account for ≥15% of the weight of the oil phase. The water-based adhesive-removing aerosol and its preparation method provided by this invention, using a combination of a water-in-oil emulsion and liquefied petroleum gas (LPG) propellant, significantly reduces the amount of organic solvents used, lowers the VOC content of the product, and reduces the flammability hazard of the aerosol.

The utility model discloses an antique brick convenient to lay relates to antique brick technical field, including a plurality of bricks, and a plurality of bricks are embeddedly connected and installed with connecting piece. The utility model discloses a kind of antique brick convenient to lay, by setting anti-skid rib and reinforcing convex point, make anti-skid rib and reinforcing convex point insert in the inside of mortar, improve the viscosity between brick and connecting piece and mortar, to further improve the firmness of brick and connecting piece and ground laying, the limiting block of connecting block both ends is embeddedly connected in the inside of the limiting slot of two brick plate body side, increase the firmness between two bricks, while avoiding mutual translation between two bricks, reduce the gap between the brick laid, improve the aesthetic degree of brick laying, guarantee the overall stability of spliced antique brick, operating personnel can be through through groove, lift up the well-laid brick plate body, it is convenient to replace damaged antique brick, disassembly is convenient, avoid in disassembly process, cause damage to perfect antique brick.

The invention belongs to the field of adhesives, and provides PMMA (polymethyl methacrylate) glue with viscosity regulated and controlled by glacial acetic acid and a preparation method of the PMMA glue. According to the invention, a dual design of synergistic viscosity reduction of a PMMA matrix and free glacial acetic acid and slow release regulation and control of the PMMA-coated glacial acetic acid microcapsule is adopted, accurate regulation and control of the viscosity in a range of 500-50000 mPa.s are realized by controlling the dosage of glacial acetic acid in a range of 2-15 parts by mass, and meanwhile, the microcapsule component gradually releases glacial acetic acid in a glue drying process, so that the viscosity of the microcapsule is reduced, and the viscosity of the microcapsule is reduced. The viscosity rise caused by solvent volatilization is compensated, low viscosity, easy construction and high cohesion strength after drying are guaranteed, the problems that the construction performance and curing strength of traditional PMMA glue are difficult to balance, a high-solid-content system is difficult to defoam, and the storage viscosity stability is poor are solved, and the PMMA glue has wide industrial application value.

The invention belongs to the technical field of oil exploitation, and particularly relates to an oil-based foam oil displacement system based on stability augmentation of high-temperature-resistant nano-particles and a preparation method and application thereof.The stability augmentation oil-based foam oil displacement system is characterized in that 0.5 wt%-1.5 wt% of nano-particles, 0.5 wt%-2 wt% of a nonionic surfactant Span20 and 0.1 wt%-1.0 wt% of a nonionic surfactant JQ-1 are adopted, the half-life period of foam drainage can be 15-22 min under the conditions that the pressure is 1 MPa and the temperature is 100 DEG C, and the stability augmentation oil-based foam oil displacement system is stable. And the half-life period of foam is 9-15 days. The stability-enhancing oil-based foam oil displacement system based on the high-temperature-resistant nano-particles is high in foaming capacity in an oil solvent, the surface tension of the oil solvent can be remarkably reduced, high foaming performance and foam stability are achieved, and the preparation process is simple, green and environmentally friendly.

This invention relates to the field of oil and gas field fracturing technology, and discloses a supramolecular fracturing fluid system and application method with both percolation and oil displacement capabilities. Its components include 0.3%-0.8% by mass of a supramolecular hydrophobic associating polymer, 0.2%-0.5% of a nano-microcapsule oil displacement agent, 0.05%-0.1% of a pH adjuster, and 0.1%-0.3% of a co-solvent, with the balance being a base fluid. The supramolecular hydrophobic associating polymer forms a dynamic three-dimensional network through self-assembly of hydrophobic side chains. The nano-microcapsule oil displacement agent uses a biodegradable polymer as a wall material to embed surfactants, achieving controlled release triggered by the reservoir environment. This system requires no crosslinking agent, has low residue content to reduce reservoir damage, and combines low friction with strong proppant carrying capacity. The controlled release of the nano-microcapsule improves the utilization rate of the oil displacement agent, realizing integrated fracturing and percolation oil displacement, and is suitable for the fracturing needs of various low-permeability to tight reservoirs.

The application provides a high-strength asphalt cold patching material and a preparation method thereof, belongs to the technical field of asphalt polymer materials, and the asphalt cold patching material comprises road petroleum asphalt, anionic emulsified asphalt, EAS-GMA, a core-shell structure composite modifier, epoxy soybean oil, basalt machine-made sand, limestone gravel, KH-550 and the like. The EAS-GMA is prepared by the reaction of polyamide resin, epoxy resin and stannous octoate, and then modified by KH-570. The core-shell structure composite modifier is prepared by the reaction of an isocyanate-terminated polyurethane prepolymer, epoxy resin and benzyl glycidyl ether, and then emulsified, and then MMA and KH-570 are added for adsorption, and then KPS is added for initiating reaction. The asphalt cold patching material is prepared by the synergy of multiple components and process optimization, breaks through the technical bottlenecks of long curing period, low initial strength, poor adhesion and insufficient durability of traditional cold patching materials, and realizes the unification of immediate compression and solidification and high strength and durability.