425results about How to "Good emulsifying effect" patented technology

The invention belongs to the technical field of emulsified asphalt materials, and particularly relates to an emulsified asphalt mixture and a preparation method thereof.The emulsified asphalt mixture is prepared from 95-98 parts of aggregate, 3-5 parts of early strength agent, 0-2 parts of water, 0-3 parts of mineral powder and 10-11 parts of modified emulsified asphalt, the modified asphalt is obtained by compounding and modifying SBS, petroleum resin and rubber powder. Through step-by-step preparation, the mixture has good emulsifying performance and can emulsify SBS and rubber powder, SBS, petroleum resin and rubber powder are organically combined, the mixture has good performance, meanwhile, the early strength agent is used, the early strength agent and modified emulsified asphalt can play a synergistic effect, the performance of the mixture is further improved, and the service life of the mixture is prolonged. All performance indexes of the emulsified asphalt mixture reach or even exceed those of a hot-mix asphalt mixture, and the emulsified asphalt mixture can be applied to a surface layer of an asphalt pavement and has very high actual use value.

The invention relates to the technical field of defoaming agents, and discloses a polyether modified organic silicon defoaming agent and a preparation method thereof. The polyether modified organic silicon defoaming agent is prepared from the following raw materials in parts by mass: 10 to 30 parts of polyether modified organic silicon, 20 to 40 parts of simethicone, 2 to 5 parts of modified mesoporous silicon dioxide, 2 to 4 parts of a thickening agent, 6 to 10 parts of an emulsifying agent and 35 to 55 parts of deionized water. The preparation method comprises the following steps: firstly, synthesizing hydrogen-terminated organic silicon with a hyperbranched structure, then synthesizing polyether containing a double-bond structure, and connecting the hydrogen-terminated organic silicon and the polyether with a hydrosilylation method to synthesize polyether modified organic silicon; secondly, synthesizing mesoporous silica with an amino group on the surface, and grafting the fluorine-containing chain segment on the mesoporous silica to synthesize modified mesoporous silica; by adopting the synergistic effect of the two components, the defoaming and foam inhibiting properties of a matrix in the foaming liquid are improved, and meanwhile, the foaming liquid has very good wettability and stability.

The utility model discloses a static emulsification integrated device for M-type emulsion explosives. The static emulsification integrated device is formed by connecting and combining a water phase tank (12), an oil phase tank (13), a water phase delivery pump (14), an oil phase delivery pump (15), two mass flowmeters (16), a venturi tube (17) and a multi-stage jet flow static emulsifier (G), the multi-stage jet flow static emulsifier (G) is formed by combining an SK type static mixing pipe (1), an SK type static mixing unit (2), a first jet flow perforated plate (3), a jet flow emulsifying pipe (4), a forward spiral blade (5), a second jet flow perforated plate (6), a diaphragm type pressure gauge (7), a reverse spiral blade (8), an SV type uniform emulsion mixing pipe (9), an SV type uniform emulsion mixing unit (10) and a pressure relief pipe (11). The device disclosed by the utility model integrates SK type static mixing, multi-stage jet emulsification and SV type uniform emulsion mixing, and has the characteristics of good emulsification effect, high productivity, stable product quality, constant working pressure, high production line safety and excellent product performance index.

The invention provides a preparation method of starch hydrogel microspheres, and belongs to the technical field of embolism microsphere manufacturing. The preparation method of the starch hydrogel microspheres comprises the following steps: adding a first cross-linking agent into a starch solution, and mixing to obtain a water-phase solution; adding the oil phase solution into the water phase solution, and mixing to obtain a mixed liquid; adding a second cross-linking agent into the mixed liquid, mixing and reacting to obtain the starch hydrogel microspheres, and the starch hydrogel microspheres prepared by the method have the advantages of long in-vivo degradation time and adjustable degradation time, and can be suitable for more disease types.

The utility model relates to the technical field of emulsifying devices, and discloses a collagen emulsifying device which comprises an emulsifying barrel, a barrel cover is mounted at the top of the emulsifying barrel, a stirring shaft is rotatably mounted on the barrel cover through a bearing embedded in the middle of the top of the barrel cover, and a stirring shaft is mounted on the stirring shaft. Stirring pieces are mounted at the bottom end and the outer wall surface of the stirring shaft, and an ultrasonic driving assembly is arranged at the top end of the stirring shaft. According to the collagen emulsifying device, the vibrating rod is in an ultrasonic vibration state, ultrasonic waves can generate violent vibration at the molecular level, the activity of emulsifier molecules can be improved, the emulsifier molecules can interact with grease molecules and water molecules more easily, the emulsifying effect is improved, meanwhile, the ultrasonic waves can generate tiny bubbles and cavities, and the emulsifying effect is improved. The tiny bubbles and cavities can increase the area of an emulsification interface, so that grease and water are easier to mix and emulsify, and the emulsification efficiency is improved.

The invention provides a cationic antistatic agent containing hydroxyl and ether bonds and a preparation method thereof, and belongs to the technical field of cationic antistatic agents. The preparation method comprises the following steps: carrying out neutralization reaction on amine substances and acid in a solvent to obtain an intermediate product; and reacting the intermediate product with glycidyl ether under the action of a catalyst to obtain the cationic antistatic agent. According to the prepared cationic antistatic agent, hydroxyl and ether bonds are introduced into the molecular structure, the hygroscopicity of the antistatic agent can be remarkably improved due to the existence of the hydroxyl, a conductive water film is formed, and therefore the conductivity and the antistatic performance of the surface of a material are enhanced; ether bonds can be combined with water molecules in air through hydrogen bonds to form a conductive channel, so that the antistatic effect is further improved. The antistatic agent prepared by the invention not only has excellent antistatic property, but also shows good smoothness, softness, water cleaning property, washing resistance and compatibility, and is suitable for various application scenes needing antistatic treatment.

The invention relates to the technical field of essence preparation, and particularly discloses an essence microcapsule with a degradable shell as well as a preparation process and application of the essence microcapsule. The invention discloses a preparation process of shell degradable essence microcapsules. The preparation process comprises the following steps: step 1, weighing a proper amount of water, starch sodium octenylsuccinate, essential oil and polyisocyanate; 2, mixing starch sodium octenylsuccinate with water to obtain a continuous phase; step 3, mixing polyisocyanate with essential oil to obtain a dispersed phase; 4, mixing the continuous phase and the dispersed phase to obtain an emulsion; and 5, adding a sodium hydroxide solution, and carrying out a heat preservation reaction for 2-6 h to obtain the shell-degradable essence microcapsule. The prepared essence microcapsule shell can be naturally degraded after being used, so that pollution to the environment is reduced, the environmental protection performance of an essence product is effectively improved, and potential hazards of micro-plastic pollution to marine ecology and biodiversity are effectively reduced.

The invention discloses a method for preparing microcapsules from beta-cyclodextrin inclusion compound microcrystal stabilized sandalwood essential oil, and belongs to the technical field of microcapsule preparation. The method comprises the following steps: preparing sandalwood essential oil / beta-cyclodextrin inclusion compound microcrystals, emulsifying and dispersing the sandalwood essential oil by using the inclusion compound microcrystals as an emulsifier, adding resin, and carrying out a condensation reaction to prepare the microcapsule suspension. According to the preparation method, firstly, beta-cyclodextrin and essential oil are embedded to obtain clathrate microcrystals, then the clathrate microcrystals serve as an emulsifying agent, the emulsifying effect of the essential oil is improved, resin microcapsules are convenient to prepare, and the microcapsules prepared through the method are high in essential oil embedding rate and good in stability; beta-cyclodextrin inclusion compound microcrystals are selected as a Pickering emulsion stabilizer, so that the emulsifying and stabilizing effects are good, and the microcapsule emulsion is not layered.

The invention belongs to the technical field of crystallizer casting powder, and provides crystallizer casting powder for medium carbon steel and a preparation method of the crystallizer casting powder. The crystallizer casting powder comprises the following raw materials: 20-40 parts of wollastonite, 20-40 parts of magnesium slag, 2-6 parts of quartz, 1-5 parts of bentonite, 2-6 parts of flint clay, 3-10 parts of fluorite, 1-3 parts of sodium carbonate, 1-2 parts of manganese carbonate, 3-7 parts of boron glass powder, 2-4 parts of magnesia powder, 6-10 parts of a carbon material and 2-4 parts of a modified binder. The crystallizer casting powder disclosed by the invention is reasonable in proportion of chemical components, has proper melting speed and viscosity, effectively ensures the thickness of a liquid slag layer, and can be uniformly consumed, so that the continuous casting process is ensured to be carried out smoothly, and the quality defects of corner cracks, narrow edge bulging, corner transverse cracks and the like of a medium carbon steel casting blank are avoided.

The invention relates to the technical field of surfactants for oil field oil extraction, in particular to a surfactant for oil field oil extraction and a preparation method thereof.The surfactant is prepared from, by weight, 15-20 parts of polymer surfactants, 8-12 parts of enhancing auxiliaries, 6-8 parts of temperature-sensitive microspheres and 80-90 parts of water, the problems that an existing surfactant for oil extraction in an oil field is insufficient in activity and poor in effect are solved by compounding a high-molecular surfactant, a reinforcing auxiliary agent containing a hyperbranched structure and temperature-sensitive microspheres loaded with microorganisms, and meanwhile, the surfactant has a certain temperature-sensitive characteristic and can play a role in the deep position of an oil layer to form a plugging and flooding composite effect; therefore, the crude oil recovery rate of surfactant flooding can be well improved.

The invention relates to an emulsifying and mixing device, in particular to an emulsifying device for preparing a defoaming agent. The technical problems that according to an existing emulsifying device, the shearing force of stirring equipment is inconvenient to adjust according to the state of raw materials, granular raw materials are prone to being accumulated on mixing blades, materials on the inner side wall of an emulsifying barrel are inconvenient to scrape off, and then the mixing and emulsifying effect is poor are solved. The emulsifying device for preparing the defoaming agent comprises a bottom frame, a fixing ring, an emulsifying barrel and the like, a fixing ring is mounted on the bottom frame, and an emulsifying barrel is mounted on the fixing ring. When raw materials are primarily mixed, the angles of the mixing blades are approximately parallel to the surfaces of the raw materials, so that the shearing force can be reduced, the raw materials can penetrate through the fixing holes, the area of the surfaces of the mixing blades directly impacted by the raw materials can be reduced, the shearing force is further reduced, and meanwhile, accumulation of the raw materials on the mixing blades is avoided; raw material deposition on the mixing blades is reduced, and uneven stirring caused by the fact that granular raw materials are attached to the mixing blades is avoided.

The invention provides a method for improving the emulsibility of soybean milk, which comprises the following steps: placing soybean milk in a composite electromagnetic field which comprises an alternating electric field and a rotating magnetic field which are superposed; wherein the excitation voltage of the applied alternating electric field is 400-700 V, the frequency of the applied alternating electric field is 400-500 Hz, the magnetic field intensity of the applied rotating magnetic field is 8-12 mT, the frequency of the applied rotating magnetic field is 5-10 Hz, and the direction of the alternating electric field is perpendicular to the direction of the rotating magnetic field, so that the composite electromagnetic field is formed through superposition. An induced electric field and an induced current formed in the soybean milk by the applied alternating electric field can change the polarity environment of the soybean milk and inhibit protein in the soybean milk from being condensed into macromolecular agglomerates, and the applied rotating magnetic field can enable the protein to be uniformly dispersed in the soybean milk, so that the emulsibility of the soybean milk is improved; the soybean milk treated by the method is finer and softer in taste, and the quality is improved.

The invention relates to the technical field of polyurethane materials, in particular to a polyurethane material, biodegradable polyurethane medical examination gloves and a preparation method of the biodegradable polyurethane medical examination gloves. Comprising the following raw materials in parts by weight: 80 to 100 parts of waterborne polyurethane emulsion, 8 to 12 parts of polylactic acid-TiO2, 0.6 to 1 part of 4-maleimido phenol, 0.06 to 0.1 part of a dispersing agent NNO, 1 to 2 parts of zinc oxide, 1 to 2 parts of ethylenediamine and 20 to 30 parts of deionized water. The urethane material can effectively improve the degradation performance, the mechanical performance and the antibacterial performance of the biodegradable polyurethane medical examination gloves prepared from the polyurethane material.

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

The invention relates to a wear-resistant and anti-stripping toy coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from a waterborne polyurethane resin emulsion, a waterborne modified polyacrylate copolymer emulsion, a styrene-stearyl alcohol methacrylate cross-linked polymer, castor oil isostearate succinate, an olibanum serratum resin extract, dimerized pentaerythritol hexahydroxy stearate, stearyl alcohol beeswax, a compound emulsifier, nano silicon carbide, nano aluminum oxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide, nano silicon dioxide and nano aluminum oxide. The coating is prepared by taking nano bentonite, polytetrafluoroethylene micro powder, a silane coupling agent and other components as raw materials through a special method, has good wear resistance, stripping resistance and impact resistance, is safe and environment-friendly, has good protection to a base material and long service life, and is a high-quality toy product coating.

The utility model discloses an asphalt processing emulsifying device which comprises an emulsifying tank, a motor fixedly connected to the upper side of the emulsifying tank, a first rotating shaft fixedly connected to the output end of the motor, the first rotating shaft located in the emulsifying tank, first stirring rods fixedly connected to the two sides of the first rotating shaft, and a bearing disc fixedly connected to the inner wall of the emulsifying tank located on the upper sides of the first stirring rods. The upper end of the second rotating shaft is rotationally connected with the bearing disc, the lower end of the second rotating shaft is rotationally connected with the emulsifying tank, a driving groove is formed in the emulsifying tank, and the lower ends of the first rotating shaft and the second rotating shaft are both located in the driving groove and rotationally connected with the inner bottom of the driving groove; a driving wheel is fixedly connected to the first rotating shaft located in the driving groove, a driven wheel is fixedly connected to the second rotating shaft located in the driving groove, and a chain is connected between the driving wheel and the driven wheel in an engaged mode. Through the structure, the problems of poor emulsifying effect and low working efficiency are solved.

The invention discloses composite modified beta-lactoglobulin as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving beta-lactoglobulin powder in deionized water to form a beta-lactoglobulin solution; the preparation method comprises the following steps: sequentially carrying out microjet treatment and succinylation treatment to obtain microjet-assisted acylated beta-lactoglobulin, then dialyzing the acylated beta-lactoglobulin solution for purification treatment, and finally freeze-drying to obtain the composite modified acylated beta-lactoglobulin powder. The beta-lactoglobulin is subjected to composite modification by fusing microjet and succinylation, the compact structure of the protein is expanded by the microjet, reaction active sites in the protein are exposed, the solubility of the protein is improved, and meanwhile, convenience is provided for subsequent chemical modification by breakage of non-covalent bonds. The introduction of the succinyl group adjusts the surface property of the protein and improves the emulsifying property of the beta-lactoglobulin. And meanwhile, the oxidation resistance of the beta-lactoglobulin is enhanced due to the oxidation resistance of the succinyl.

The invention discloses a preparation method of starch-based emulsion gel, the starch-based emulsion gel and a food additive, and relates to the technical field of emulsion gel. The preparation method of the starch-based emulsion gel comprises the following steps: carrying out ozone oxidation treatment on esterified modified starch to obtain double modified starch; mixing the double-modified starch with water, heating and oscillating to obtain double-modified starch gel; and homogenizing and balancing the double-modified starch gel, an oil phase and a calcium ion solution to obtain the starch-based emulsion gel. Ozone oxidation treatment destroys a starch particle structure, more short chains are dissolved out or extended out, keto groups and carboxyl groups of the double-modified starch are increased, hydroxyl groups are reduced, and hydrophobicity and surface charge properties of the double-modified starch are improved, so that the emulsifying capacity of the double-modified starch is improved; the divalent calcium ions can neutralize negative charges of carboxyl among emulsion droplets, enhance hydrogen-bond interaction among starch molecules, and further cross-link the starch molecules through electrostatic interaction and anion bridging, so that the gel structure is induced to be more compact, and emulsion gel is formed.

The invention discloses a preparation method and application of low-sensitization high-nutrition pea protein egg custard liquid. The preparation method comprises the following steps: (1) extracting pea protein A from a pea variety A; extracting pea protein B from the pea variety B; uniformly mixing the pea protein A and the pea protein B to obtain the low-sensitization high-nutrition pea protein; (2) performing compound modification on the low-sensitization high-nutrition pea protein to obtain modified low-sensitization high-nutrition pea protein; and (3) mixing and emulsifying the modified low-sensitization high-nutrition pea protein, calcium chloride, edible vegetable oil, edible polysaccharide and water to obtain the low-sensitization high-nutrition pea protein egg custard liquid. The pea protein egg custard liquid prepared by the preparation method disclosed by the invention can be kept uniform and stable after being stored at low temperature for a long time, and can be used as an egg substitute in the food field; the pea protein egg custard is used for preparing the pea protein egg custard, the formed egg custard is uniform in tissue structure, and the structure and the taste of the egg custard can be simulated to a certain extent.

The invention discloses a preparation method and application of a hyperbranched multi-arm star-shaped epoxy resin emulsifier, and relates to the field of waterborne epoxy emulsions. The preparation method of the hyperbranched multi-arm star-shaped epoxy resin emulsifier comprises the following steps: synthesizing a hyperbranched polyether hydrophobic core containing rich epoxy end groups from a polyhydroxy compound and a polyfunctional epoxy compound, and grafting methoxypolyethylene glycol to the hydrophobic core through hydroxyl epoxy-opening reaction. Compared with a traditional linear emulsifier, the hyperbranched emulsifier has the advantages that abundant active end groups can introduce a large number of hydrophilic chain segments to obtain better emulsifying capacity, sufficient reaction sites can be reserved to participate in curing of a system, and negative effects on a coating due to dissociation of the emulsifier are reduced.

The invention belongs to the technical field of emulsifying equipment, and particularly relates to a dispersing and emulsifying machine with a multi-stage stirring structure, which comprises a bottom plate, the top of the bottom plate is rotatably connected with a right supporting plate, the top of the right supporting plate is fixedly connected with a stirring tank, the top of the stirring tank is fixedly communicated with a feeding pipe, and the right side of the stirring tank is fixedly communicated with a discharging pipe. The bottom of the stirring tank is fixedly connected with a left supporting plate, and the bottom end of the left supporting plate is matched with the top of the bottom plate; a first motor is fixedly mounted at the bottom of the stirring tank, an output shaft of the first motor penetrates through the bottom of the stirring tank and extends into the stirring tank, and a spiral stirring shaft is fixedly mounted on the output shaft of the first motor. And liquid materials can be stirred and mixed in a multi-stage manner, so that the emulsifying effect and efficiency of the liquid materials are greatly improved, the processing working efficiency is improved, and the practicability is high.

A preparation method of a compound containing pea protein comprises the following steps: step 1, the pea protein is placed in a ball-milling tank for ball milling, in the ball-milling process, liquid nitrogen is always in an open state, and the temperature is kept between-20 DEG C and-10 DEG C; the ball milling time is 5-50 minutes, so as to obtain the frozen ball-milled modified pea protein; step 2, adding water into dry rice starch to prepare starch milk, then adding water into the frozen ball-milling modified pea protein for dissolving to obtain a frozen ball-milling modified pea protein solution, then adding the frozen ball-milling modified pea protein solution into the starch milk, and stirring at normal temperature to uniformly mix the starch milk and the frozen ball-milling modified pea protein solution to obtain a frozen ball-milling modified pea protein solution; freezing and drying to obtain a pea protein-rice starch compound; or preparing the frozen ball-milled modified pea protein into a frozen ball-milled modified pea protein solution by using a PBS buffer solution, then mixing the frozen ball-milled modified pea protein solution with the blueberry anthocyanin solution, and stirring in a dark place at room temperature to obtain the pea protein-blueberry anthocyanin compound. According to the pea protein-rice starch compound disclosed by the invention, the retrogradation value, the gel hardness, the gelatinization enthalpy value and the short-range orderliness of the rice starch are reduced.

The invention belongs to the technical field of food additives, and particularly provides an emulsion for inhibiting starch retrogradation as well as a preparation method and application thereof. Wherein the emulsion for inhibiting starch retrogradation is a composite emulsion prepared from soybean seed coat polysaccharide and sodium stearoyl lactylate. A composite system prepared from the soybean seed coat polysaccharide emulsion and sodium stearoyl lactylate has caking resistance; freezing resistance is achieved; the starch retrogradation inhibitor has the effects of inhibiting starch retrogradation and the like, effectively inhibits the retrogradation problem of the prefabricated starch product, can prolong the shelf life of flour food, and solves the problem of wrapper retrogradation of the prefabricated starch food in the transportation and storage processes.

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

The invention discloses an aero-engine runner cleaning agent and a use method thereof. The aero-engine runner cleaning agent is prepared from the following raw material components in parts by weight: 65-80 parts of water, 7-9 parts of sodium metasilicate, 5-8 parts of a composite surfactant, 1-3 parts of triethanolamine oleate and 7-15 parts of saturated isoparaffin. The using method of the cleaning agent comprises the steps that the engine is not detached from an airplane, in the cold running or slow running state of the engine, the cleaning agent is atomized into water particles of 50-100 micrometers through an injection method, the water particles are injected into an air flow channel through an engine cleaning nozzle, and deposits such as carbon, salinization, dust dirt and oil dirt on the engine air flow channel are effectively cleaned on line. The engine runner cleaning agent has the characteristics of no damage, rapidness and no corrosion to a base material, can be used for on-line cleaning of salinization, oil dirt, dirt, carbon deposition and other sediments on the engine runner, and is less in engine cleaning agent consumption and high in cleaning efficiency compared with traditional engine runner cleaning.

The invention relates to the technical field of protein treatment, in particular to a low-temperature plasma protein treatment device which comprises a shell, and a material dispersing mechanism located at the bottom of a feeding mechanism is mounted in the shell; two discharging openings corresponding to the tops of the scraping plates are formed in the top of the shell. The feeding mechanism conveys protein powder to the discharging opening in the top of the shell, the protein powder flows to the two sides of the two side plates from the discharging opening, at the moment, two second motors can be started to achieve simultaneous rotation of two bidirectional lead screws, the protein powder accumulated on the two side plates is transversely dispersed and discharged, and uniform feeding is conducted in cooperation with a fan; the inclined baffles are arranged below the two side plates, worm gears at the ends of rotating rods can be driven to rotate by rotating worms, the opening angle of the baffles can be adjusted, the discharging amount is adjusted, the initial discharging position is located at the top of a fan, and discharging cannot be affected.

The present invention belongs to the field of food, and discloses a healthy all-plant-based room temperature low-fat cream and its preparation method and application. The preparation method of the healthy all-plant-based room temperature low-fat cream comprises the following steps: preparation of enzymatic soy protein-polyphenol complex; dissolving syrup in an enzymatic soy protein-polyphenol complex dispersion and stirring to obtain an aqueous phase mixture; heating and melting diglyceride, adding emulsifier and colloid and stirring and dispersing to obtain an oil phase mixture; mixing the oil phase mixture and the aqueous phase mixture, shearing, and homogenizing to obtain room temperature all-plant-based cream. The all-plant-based room temperature cream prepared by the present invention has natural raw materials, simple ingredients, does not contain animal ingredients, and is suitable for a wide range of people. The product has high stability, is not easy to oxidize, can be stored and transported at room temperature, and can be whipped into highly stable whipping cream in a wide temperature range. The preparation process does not require complicated procedures, is easy to produce, is easy to operate, is environmentally friendly and pollution-free, and can be used as a new type of healthy room temperature low-fat cream product.

The invention discloses a contact lens care solution capable of moisturizing, lubricating and resisting bacteria for a long time and a preparation method thereof, and the care solution comprises the following components in percentage by mass: 1.0-2.5% of polyglycerol ether-26; 2.0%-3.5% of a composite natural bacteriostatic agent; 1.0 to 2.0 percent of a thickening agent; 1.5%-2.5% of a surface active agent; 0.15%-1.8% of a pH regulator; 8.5-9.0% of an osmotic pressure regulator; and the balance of purified water. The composite natural bacteriostatic agent is a mixture of catechin and ginkgetin. The preparation method comprises the following steps: adding part of purified water into a container, then adding polyglycerol polyether-26, the composite natural bacteriostatic agent, the thickening agent and the surfactant, then supplementing part of purified water, and stirring for dissolving; adjusting the pH value of the solution to 6.5-7.8 and the osmotic pressure to 260-340 mOsm / kg.H2O, finally adding the balance of purified water, and uniformly stirring; and filtering and sub-packaging to obtain the product. According to the invention, polyglycerol ether-26 has high moisturizing and lubricating properties, catechin and ginkgetin have a synergistic effect, so that the antibacterial property can be improved, and as a natural plant extraction component, the eye cream is non-irritant when entering eyes, is higher in safety and can play a role in protecting the eyes.

The invention relates to the technical field of papermaking chemicals, in particular to an AKD emulsion and a preparation method thereof. The AKD emulsion is prepared from, by mass, 18-22 parts of modified alkyl ketene dimer, 1.5-2 parts of dopamine modified silicon dioxide, 2.5-3 parts of emulsifier, 1.8-2.2 parts of dispersing agent, 1.3-1.5 parts of synergist, 1-1.2 parts of stabilizer and 80-85 parts of water, and the emulsifier is prepared by mixing modified cationic starch emulsifier and polymer emulsifier according to the mass part ratio of 1: 1. Through reasonable raw material selection and proportioning, the AKD emulsion with excellent stability, sizing performance and water resistance is prepared, and a better solution is provided for production of paper products.

The invention relates to a perfluorohexanone nano microcapsule multi-time fire extinguishing tablet and a preparation method thereof, and belongs to the technical field of fire extinguishing material processing. The invention discloses a preparation method of a perfluorohexanone nano microcapsule multi-time fire extinguishing tablet. The preparation method comprises the following steps: (1) preparing an oil phase for later use; (2) preparing a water phase for later use; (3) stirring the oil phase and the water phase at a high speed to obtain an emulsion; and (4) adding an initiating monomer into the emulsion, heating, preserving heat, filtering, washing and drying to obtain the perfluorohexanone nano microcapsule. And (5) mixing with a base material, introducing into a mold, curing, drying, and spraying a high-molecular polymer on the surface to obtain the perfluorohexanone nano microcapsule multi-time fire extinguishing tablet. According to the perfluorohexanone nano microcapsule, lignin-based polyurethane is used as an outer shell, a polyurea / polyurethane composite structure is used as an inner shell to form a double-shell structure, and therefore the perfluorohexanone nano microcapsule prepared through the method has a compact and stable capsule wall structure, the embedding rate is high, and the fire extinguishing property is excellent.