3611 results about "W o emulsion" patented technology

The invention discloses a self-crosslinking temperature-resistant salt-resistant emulsion type fracturing fluid thickening agent and a preparation method thereof, and belongs to the technical field of oilfield chemistry. The raw materials adopted by the invention comprise 30 to 50 parts of an oily solvent, 15 to 25 parts of deionized water, 10 to 20 parts of acrylamide, 5 to 10 parts of acrylic acid, 2 to 4 parts of 2-acrylamido-2-methylpropanesulfonic acid, 0.05 to 0.2 part of a crosslinking monomer, 0.5 to 1 part of a quaternary ammonium salt type hydrophobic association monomer, 4 to 8 parts of an emulsifier and 1 to 2 parts of a phase inversion agent. The self-crosslinking emulsion is formed through water phase-oil phase mixing, high-speed emulsification, low-temperature initiation polymerization and phase inversion treatment. Based on physical-chemical double-crosslinking temperature control cooperation, a salt-resistant-hydrophobic double-shielding mechanism and an integrated design without an exogenous crosslinking agent, the contradiction between the temperature-resistant and salt-resistant performance of a traditional thickening agent and the process complexity is broken through, and a technical support is provided for efficient development of high-temperature and high-salt oil and gas reservoirs.

The invention provides a PHA dispersion emulsion as well as a preparation method and application thereof, and belongs to the field of high polymer materials. The invention aims to solve the technical problem that the prior art cannot simultaneously meet the requirements of the polyhydroxyalkanoate water dispersion system on extremely low temperature natural film-forming property, excellent comprehensive performance after film formation and long-term storage stability. The method is characterized in that a polyhydroxyalkanoate polymer with specific molecular weight and polydispersity index range, a coalescing agent 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate with a specific chemical structure and a specific type of aliphatic polyisocyanate cross-linking agent compatible with water dispersion are strictly limited and combined. Through the synergistic effect generated by the unique ternary combination, the minimum film forming temperature of the prepared emulsion can be reduced to 6-10 DEG C, a film can be naturally formed without hot pressing, and the formed film has excellent mechanical property, water resistance and adhesive force and has excellent storage stability of at least one year.

The application belongs to the technical field of daily chemical industry, and particularly relates to an emulsion and a preparation method thereof. The emulsion provided in the application comprises an emulsifier, glycerol, oil-phase active substance, pentaerythritol tetra(ethylhexanoate) and water; the emulsifier is a lipopeptide; the weight percentage of the lipopeptide and the glycerol is not less than 3%; the weight ratio of the oil-phase active substance and the pentaerythritol tetra(ethylhexanoate) is 1:3-10; the ratio of the sum of the weights of the lipopeptide and the glycerol to the sum of the weights of the oil-phase active substance and the pentaerythritol tetra(ethylhexanoate) is 1:3-10; and the ratio of the sum of the weights of the lipopeptide, the glycerol, the oil-phase active substance and the pentaerythritol tetra(ethylhexanoate) to the weight of the water is 1:1-4. The emulsion is prepared by using sodium bacillomycin, glycerol and pentaerythritol tetra(ethylhexanoate), can effectively inhibit the diffusion of the oil-phase active substance at the interface of the emulsion, reduce the oxidative degradation of the oil-phase active substance, and greatly prolong the effective action time of the oil-phase active substance in the emulsion.

The invention discloses an acrylic acid composite emulsion coating and a preparation method thereof, and relates to the technical field of novel coatings. The acrylic acid composite emulsion coating comprises the following components in parts by mass: 30-50 parts of an acrylate monomer mixture, 1-8 parts of a functional monomer, 0.5-3 parts of a protective colloid, 1.5-5 parts of an emulsifier, 0.2-1.5 parts of an initiator, 40-60 parts of deionized water and 1-3 parts of a weather-resistant agent. The coating adopts a water-based system and takes water as a dispersion medium, so that the use of an organic solvent is reduced, the emission of volatile organic compounds (VOC) is remarkably reduced, and the coating is more environment-friendly. By adding the weather-resistant agent with a specific structure, free radicals can be effectively captured, an oxidation chain reaction can be interrupted, and the weather resistance of the coating is improved through the synergistic effect of multiple mechanisms, so that the phenomena of pulverization, color fading, cracking and the like are unlikely to occur under the action of environmental factors such as ultraviolet rays, oxygen and water vapor.

The invention discloses a high-stability endotoxin-free PHA nano-emulsion and a preparation method thereof, and belongs to the technical field of biodegradable high polymer material compositions and processing thereof. The nano-emulsion is characterized in that the endotoxin content is not higher than 0.10 EU / g, the median particle size d50 is 100-200 nm, and the PDI is not higher than 0.15, and the nano-emulsion is stable in long-term storage. The preparation method is a continuous solvent-free process and comprises the steps of melt extrusion, high-pressure thermal emulsification and deep endotoxin removal. By adopting the specific pH-insensitive cationic polymer emulsifier and the crystallization inhibitor, the chemical contradiction that an efficient alkaline purification process is incompatible with a nano-emulsion stable system is solved, physical aging is inhibited, and an unexpected technical effect is obtained. The invention also discloses an O / W type cream containing the nano emulsion.

The invention belongs to the technical field of functional Pickering emulsion preparation, and particularly discloses a silk fibroin nanoparticle-stabilized biphase drug-loaded Pickering emulsion and an antibacterial application thereof. The curcumin-loaded silk fibroin nanoparticles Cur-SFNPs with uniform form and size are prepared by using an anti-solvent precipitation method. In order to improve the antibacterial effect of the Pickering emulsion, the Cur-SFNPs is utilized to stabilize the soybean oil loaded with resveratrol, and the oil-in-water type Pickering emulsion is prepared. The Pickering emulsion prepared by taking Cur-SFNPs as a stabilizer has the characteristics of small particle size, uniform distribution, storage stability, heating stability, freeze-thaw stability, food safety and environmental friendliness. And as a two-phase drug-loaded emulsion, two natural hydrophobic active drugs are loaded at the same time, so that the solubility and bioavailability of the emulsion can be enhanced, the loaded active substances play a synergistic antibacterial and antioxidant role, and the emulsion can be applied to food preservation.

The present invention relates to pro-nano-emulsion compositions comprising at least one type of Omega 3 fatty acid capable of converting to nano-emulsion composition having average droplet size of below Ip, typically below 0.5p, and use thereof, particularly as dietary supplement, for preferential delivery of the Omega 3 fatty acid to heart and / or liver tissue of a subject consuming the composition, thereby maintaining normal cardiovascular / hepatic function and / or improving cardiovascular / hepatic disease or disorders.

The invention relates to a preparation method of a core-shell fluorine-free super-hydrophobic emulsion based on acrylate pressure-sensitive adhesive viscosity. According to the method, a polyacrylate pressure-sensitive adhesive is adopted, an acrylate soft monomer and a functional monomer are copolymerized on the surface layer of the polyacrylate pressure-sensitive adhesive, and a polyacrylate copolymer with pressure-sensitive adhesiveness and reaction activity is coated to obtain a pressure-sensitive adhesive'rigid core at flexible shell 'core-shell polymer microsphere emulsion with a core-shell structure; the production process is simplified (two steps are combined into one step), and chromatic aberration is eliminated; the silane coupling agent can be used for replacing a silane coupling agent, and the problem of insufficient durability is further solved. According to the invention, the simplification and batch production of the production process can be effectively realized, and meanwhile, the requirements of modern industry on economic and green production can be met.

The invention discloses a modified hydroxyl acrylic emulsion and a preparation method thereof, and belongs to the technical field of environment-friendly paints.The modified hydroxyl acrylic emulsion is prepared from, by weight, 35-50 parts of acrylate monomer, 5-10 parts of functional monomer, 5-10 parts of hydroxyethyl acrylate, 0.3-1.5 parts of initiator, 1-2 parts of vinyl siloxane, 1-2 parts of emulsifier, 0.3-1 part of neutralizer and 30-50 parts of deionized water; the preparation method comprises the following steps: adding an acrylate monomer, a functional monomer, hydroxyethyl acrylate and vinyl siloxane into deionized water, adding an initiator and an emulsifier, heating to 60-75 DEG C, stirring at a constant speed for 30 minutes, and adding a neutralizer to prepare a modified hydroxyl acrylic emulsion; a functional monomer structure contains an antibacterial dichloropyrimidine monomer structure, a main body is an acrylic acid structure and has good compatibility with a matrix, a siloxane structure is introduced, a large number of hydroxyl groups are generated after hydrolysis, and the bonding performance with the coating matrix can be improved.

The invention provides a polyacrylic acid inverse emulsion thickener and a preparation method thereof. The polyacrylic inverse emulsion thickener is prepared from the following components in parts by mass: 1 to 10 parts of modified attapulgite, 0.1 to 5 parts of hyperbranched acrylate, 30 to 60 parts of acrylic acid, 1 to 5 parts of a hydrophobic long-chain acrylate monomer, 5 to 20 parts of solvent oil, 0.5 to 5 parts of an emulsifier, 0.01 to 1 part of an initiator and 0.5 to 2.5 parts of a phase inversion agent. The preparation method comprises the following steps: firstly, introducing an isocyanate chain segment and a double-bond active group to the surface of acid-activated attapulgite to improve dispersity and reaction activity; then trimethylolpropane is used as a core, hyperbranched acrylate with multiple double bonds and a hyperbranched structure is constructed, and then the polyacrylic acid inverse emulsion thickener is prepared through an inverse emulsion method. Through the synergistic effect of the hyperbranched acrylate, the modified attapulgite and the hydrophobic long-chain monomer, the thickening performance, the electrolyte resistance and the long-term stability are remarkably improved.

The invention discloses a water-in-oil emulsion, a preparation method, application, a membrane and a cosmetic product containing the same. The water-in-oil emulsion is prepared from the following components in parts by weight: 0.25 to 50.00 parts of water phase, 0.45 to 80.00 parts of oil phase, 0.025 to 5.00 parts of emulsifier, 1 part of sterol and / or sterol derivative, 0.01 to 30.0 parts of powder and 0 to 3 parts of polymer. The water-in-oil emulsion disclosed by the invention can form a liquid crystal structure which is regularly and orderly arranged in space according to a certain direction, has low film forming continuity, hydrophobicity, flexibility of a wax film and excellent air permeability, and also has certain migration resistance of a high-molecular polymer film, but the brittleness is improved. In addition, the brittleness of a layer of uniform and continuous three-dimensional network structure film formed on the skin by the polymer can be improved, and the flexibility and uniformity are improved.

According to the emulsion mixing equipment applied to the mixing field and used for aluminum oxide composite fiberboard production, through a guide cylinder which forms an annular gap with the inner wall of a tank body in an enclosing mode and a stirring assembly arranged on the lower portion of the guide cylinder, raw materials circularly flow between the annular gap and an inner cavity of the guide cylinder, and the stirring assembly and a shearing assembly act synergistically; firstly, raw materials fully flow, components are promoted to be uniformly dispersed, local concentration difference is avoided, a foundation is laid for stable emulsification, agglomeration and precipitation are reduced, the emulsification efficiency and quality are improved, meanwhile, by means of a plurality of heat exchange structures such as a tank shell wall cooling clamping cavity, a spiral heat exchange pipe, an emulsification stator inner heat exchange channel and a guide cylinder shell wall spiral channel, sufficient heat exchange is achieved, and the emulsification efficiency and quality are improved. The raw material temperature is effectively controlled, heat accumulation and overheating are reduced, and the gelation probability is reduced.

The invention discloses a water-based acrylate pressure-sensitive adhesive emulsion as well as a preparation method and application thereof, and the preparation method comprises the following steps: S1, providing an acrylate pre-emulsion A and an initiator solution B; s2, dropwise adding a part of the acrylate pre-emulsion A into the initiator solution B, and carrying out a heating reaction to obtain a polymer A emulsion; s3, providing a monomer composition B, and mixing the rest of the acrylate pre-emulsion A and the monomer composition B to obtain an acrylate pre-emulsion B; and S4, dropwise adding the acrylate pre-emulsion B into the polymer A emulsion, and heating for reaction to obtain the water-based acrylate pressure-sensitive adhesive emulsion. The water-based acrylate pressure-sensitive adhesive emulsion prepared by the preparation method disclosed by the invention has relatively good adhesiveness, mobility and PVC shrinkage resistance after being coated on a PVC base material.

The invention relates to the technical field of waterproof materials, and particularly discloses a high-elasticity waterproof emulsion and a preparation method thereof. The invention discloses a high-elasticity waterproof emulsion. The water-based paint is prepared from the following raw materials in parts by mass: 40 to 60 parts of modified acrylic resin emulsion, 25 to 40 parts of waterborne polyurethane, 3 to 6 parts of hydroxyethyl methylacrylate, 0.5 to 1 part of mercaptopropionic acid, 6 to 8 parts of fluorinated mica sheet, 3 to 6 parts of organic silicon emulsion, 2 to 4 parts of fluorocarbon surfactant, 0.8 to 1.5 parts of adipic dihydrazide, 0.3 to 0.8 part of dynamic cross-linking agent, 3 to 8 parts of compatilizer, 0.5 to 1 part of antioxidant, 0.5 to 1 part of anti-aging agent, 0.5 to 1.5 parts of defoaming agent and 40 to 55 parts of solvent. The modified acrylic resin emulsion is prepared from a monomer comprising diacetone acrylamide. The high-elasticity waterproof emulsion prepared by the invention has relatively good elasticity, waterproof performance and aging resistance.

The invention relates to the field of emulsions for grainy paper coatings, and discloses a preparation method of a water-based environment-friendly emulsion for a grainy paper coating. The preparation method comprises the following steps: S1, preparing an acrylic carbamate modified monomer from hydroxyethyl acrylate, 2, 4-toluene diisocyanate and diethanol amine; and S2, preparing to obtain the emulsion. S3, obtaining the initiator. S4, deionized water, lauryl sodium sulfate, the emulsion and an initiator are subjected to a polymerization reaction, and an emulsion A is obtained. S5, transferring the emulsion A into a degassing kettle, adding tert-butyl hydroperoxide and vitamin C, and performing oxidation-reduction reaction to obtain emulsion B; and S6, carrying out steam degassing on the emulsion B to obtain the water-based environment-friendly emulsion. The water-based environment-friendly emulsion which is good in stability, glossiness, adhesion fastness, water resistance and weather resistance and low in volatile organic compound content can be prepared, and the preparation method is simple, efficient and environmentally friendly and has wide application prospects and market value.

The invention discloses a preparation method of a mycotoxin degrading enzyme intelligent slow-release feed additive, and relates to the technical field of feed additive production, a double-emulsion embedding technology is adopted, enzyme is embedded in a multi-layer shell composed of chitosan, sodium alginate and an enteric polymer Eudragit S100, and then Ca < 2 + > ion cross-linking solidification is performed to obtain the mycotoxin degrading enzyme intelligent slow-release feed additive. And finally, freeze-drying or spray-drying to obtain the core-shell structure microcapsule. The obtained microcapsules are compounded with functional carriers such as yeast cell walls, sodium aluminosilicate, mannan oligosaccharide, talcum powder and the like to prepare finished products which can be directly added into various feeds. The release rate of the additive in simulated gastric juice with the pH value of 2.0 for 4 hours is lower than 15%, the release rate of the additive in simulated intestinal juice with the pH value of 6.8 for 6 hours exceeds 90%, the enzyme activity can be effectively protected, and targeted release of intestinal tracts is achieved; meanwhile, the compound carrier has a synergistic adsorption effect on various mycotoxins, and the degradation rates of aflatoxin B1, zearalenone and ochratoxin A in an in-vitro experiment respectively reach 87% or above.

To provide a buff polishing emulsion composition and the like excellent in polishing and finishing properties.SOLUTION: The present invention is a buff polishing emulsion composition containing water, lubricating oil, an organic solvent, abrasive particles, and a surfactant, wherein the abrasive particles include tin(IV) oxide particles (A) with an average particle diameter of 1.2 to 1.6 μm and tin(IV) oxide particles (B) with an average particle diameter of 0.5 to 0.9 μm. The total content of tin(IV) oxide particles (A) and tin(IV) oxide particles (B) in the buff polishing emulsion composition is 5 to 10 wt.%, and the content ratio of tin(IV) oxide particles (A) to tin(IV) oxide particles (B) is 5:5 to 8:2 by weight. The organic solvent includes an isoparaffinic hydrocarbon.SELECTED DRAWING: None

The invention relates to the technical field of cosmetics, and particularly discloses an oil-control moisturizing pressed powder with a multi-layer microporous structure and a preparation method of the oil-control moisturizing pressed powder. The oil-control moisturizing pressed powder with the multi-layer microporous structure is characterized by comprising powder, a first emulsion and a second emulsion, the first emulsion is prepared by mixing a first humectant, hydrogenated lecithin, C12-20 acid PEG-8 ester, polysorbate-80 and water; the second emulsion is formed by mixing a second humectant and water; the preparation method comprises the following steps: mixing and drying the powder and the first emulsion, and then mixing with the second emulsion to obtain slurry; and freeze-drying the slurry at-80 to-60 DEG C, then freeze-drying at-40 to-5 DEG C, and finally freeze-drying at-5 to 45 DEG C to obtain the pressed powder. A uniform three-dimensional micropore structure is formed in the oil-controlling and moisturizing pressed powder, more moisturizing components can be loaded, the contact area with the skin is increased, and therefore the oil-controlling and moisturizing pressed powder has excellent moisturizing performance and skin feeling.

The invention discloses application of a particle stabilizer, an oil-in-oil Pickering emulsion as well as a preparation method and application of the oil-in-oil Pickering emulsion, and relates to the technical field of emulsion preparation. The particle stabilizer is used for preparing the oil-in-oil Pickering emulsion, and the particle stabilizer is solid insoluble nanoparticles and is selected from one or more of inorganic nanoparticles, organic nanoparticles, composite oleophobic nanoparticles and stimuli-responsive nanoparticles. The preparation method of the oil-in-oil Pickering emulsion comprises the following steps: mixing the first oil phase, the second oil phase and the particle stabilizer, and carrying out an emulsification technology to obtain the oil-in-oil Pickering emulsion. According to the emulsion system prepared by the invention, the oil phase components with different polarity differences are reasonably matched, and the oil phase type is flexibly selected according to specific requirements of target application, so that the environmental adaptability and the function application range of the emulsion can be remarkably improved, and the emulsion system has a good application prospect.

The invention discloses an emulsion type collecting agent prepared on the basis of an oil-water two-phase emulsifier phase composition transformation method and a preparation method and application of the emulsion type collecting agent, and the emulsion type collecting agent with the total mass fraction of 100 is prepared from 20-40 parts of an oily collecting agent, 1-5 parts of a W / O emulsifier, 4-10 parts of an O / W emulsifier and a plurality of parts of water. When the emulsion type collecting agent is prepared, the HLB value of a system can be accurately controlled by adjusting the mass ratio of the W / O emulsifier to the O / W emulsifier, the phase transformation process from W / O emulsion to bicontinuous phase and O / W emulsion is achieved, and then the emulsion type collecting agent with excellent performance is prepared. The average particle size of the emulsion type collecting agent is about 0.5 mu m, compared with a traditional oily collecting agent, the emulsion type collecting agent is better in dispersity, smaller in particle size and larger in specific surface area, the collision and adhesion probability of the collecting agent and particles is remarkably increased, and the low-rank coal interface hydrophobic modification effect and the flotation recovery rate are improved.

The present invention relates to a colloidal composition comprising unmodified, discrete cellulose microparticles, such as a colloidal emulsion or colloidal gel, a method of preparing the colloidal composition and uses of the colloidal composition and cellulose particles The colloidal composition comprises a continuous phase and a dispersed phase, wherein the continuous phase is a liquid; wherein the dispersed phase comprises cellulose microparticles which are dispersed in the continuous phase of the colloidal composition, wherein the cellulose microparticles have a mean average particle length of from 0.1 to 20 µm a mean average particle width from 0.05 to 1.3 µm, and a maximum thickness not exceeding 0.2 µm determined by scanning electron microscopy; and an aspect ratio of length / width of 1 to 25, and wherein the colloidal composition has a flow index n of ≤ 1 determined by a rheometer at NTP (normal temperature (25°C) and pressure (1 atm)).

The invention discloses a preparation method of a double embedding emulsion preparation / emulsion based on octenyl succinic acid cyclodextrin ester, and relates to an inclusion compound based on modified cyclodextrin and a stable Pickering emulsion system thereof. According to the method, the uniformity of the cyclodextrin modification substitution degree is improved through ultrasonic assistance, the embedding rate and the embedding stability of hydrophobic active ingredients can be improved, meanwhile, the Pickering emulsion is stabilized, preparation of the double-embedded emulsion preparation is achieved, and the stability and the packaging efficiency of an emulsion preparation packaging delivery system can be effectively improved through the method. The method comprises the following steps: 1, preparing octenyl succinic acid cyclodextrin ester; 2, preparing an OSA-beta-CD / phenolic compound clathrate compound; and 3, preparing the dual-embedding emulsion preparation / emulsion. The invention provides a preparation method of a double-embedding emulsion preparation / emulsion based on octenyl succinic acid cyclodextrin ester. The double-embedding emulsion preparation / emulsion can be applied to a double-embedding food functional component delivery system.

The utility model relates to a lock catch type vacuum bag emulsion bottle, which is designed for solving the technical problems that the existing similar products are less carried and used by adopting rectangular structures, the vacuum bags in the products are inconvenient to assemble and disassemble, and the automatic production and assembly are difficult. A spray head assembly and a bottle body assembly of the portable vacuum bag emulsion bottle are integrally buckled to form a cuboid, and a head cap is arranged in a pressing hole in the end corner of one side of the top of an outer cover; the key points are as follows: a vacuum bag is arranged in an outer bottle of the bottle body assembly, a sealed large ring is arranged at a cover opening at the bottom of the outer cover, the pump core assembly is buckled and fixed in a buckling groove in a first pump core hole of the large ring, and the pump core assembly extends into a bag opening of the vacuum bag through a second pump core hole of the gland; the vacuum bag is fixed to a second pump core hole of the gland through a flange sleeve at a bag opening, and a gland seal is fixedly arranged at a top bottle opening of the outer bottle. A cover opening at the bottom of the outer cover and an outer cover inner cavity connected with the large ring are provided with a sliding cover which is pressed or unlocked by moving the limiting head cap left and right; and one side of the sliding cover is provided with a shifting button extending out of the outer cover.

The invention provides a stabilizer for Pickering emulsion and application of the stabilizer, and relates to the technical field of Pickering emulsion preparation. The stabilizing agent for the Pickering emulsion is obtained by compounding 6 '-O-caffeoyl arbutin and cellulose nanocrystals. In specific application, the 6'-O-caffeoyl arbutin and the cellulose nanocrystals are prepared into a water phase, and then the water phase is mixed with an oil phase to prepare the Pickering emulsion. According to the preparation method, the defects in the prior art are overcome, the stability of the Pickering emulsion is effectively improved, meanwhile, the oxidation resistance effect of the Pickering emulsion is further enhanced, and the application value of the Pickering emulsion is improved.

The invention discloses a SiO2 aerogel coating based on a silicone acrylic emulsion as a matrix and a mixed emulsion as a film forming matter and a preparation method of the SiO2 aerogel coating. The raw materials comprise the following components in parts by weight: 30-100 parts of a mixed emulsion, 0-2 parts of a nano stabilizer, 6-15 parts of modified aerogel powder, 0-2 parts of a wetting dispersant, 0-20 parts of rutile titanium dioxide, 0-1 part of a water-based defoaming agent and 5-30 parts of deionized water, the nano stabilizer is one or a mixture of more of bentonite, montmorillonite, attapulgite and cellulose; the aerogel powder is modified SiO2 aerogel powder, the particle size is 500-mesh particles, and the thermal conductivity is 0.014 W / (m.K). The aerogel powder can be effectively wetted and dispersed through multiple functional auxiliaries, the defect that the aerogel powder is difficult to disperse is overcome, the thermal conductivity of the coating is lower due to uniform dispersion of aerogel, and finally the aerogel heat preservation coating with the thermal conductivity of 0.03 W / (m.K)-0.06 W / (m.K) can be obtained.

The invention discloses an emulsion type release agent and a preparation method thereof. The release agent is prepared from the following raw materials in percentage by mass: 5 to 15 percent of linear vinyl silicone oil, 5 to 15 percent of Q type vinyl silicone oil, 15 to 20 percent of T type vinyl silicone oil, 1 to 3 percent of hydrogen-containing silicone oil, 0.2 to 1 percent of anchoring agent, 0.3 to 1 percent of polyether modified silicone oil, 10 to 50 ppm of platinum catalyst, 200 to 1000 ppm of inhibitor and the balance of deionized water. The release agent with the release force of 5-20.0 g / inch and relatively high interface bonding strength and cohesive strength in an adhesive force test is obtained through synergy of vinyl silicone oil with different molecular configurations, and the product performance requirements of high anchoring force and low release force can be met.

The application belongs to the technical field of plant raw material processing, and particularly relates to a preparation method of a blocky emulsion gel product simulating animal fat, which is formed based on a soybean protein and sodium alginate composite base and comprises the following steps: (1) mixing pure water, soybean protein and sodium alginate, then shearing at high speed, and dispersing and emulsifying in perilla oil; (2) adding gluconolactone, stirring and mixing, then immediately adding calcium carbonate while stirring, to form a first gel network; (3) after stirring, pouring into a mold for shaping, placing in a 4 DEG C refrigerator for gelation, forming a second protein network, and obtaining a simulated fat product with strong stability. The application forms a simulated fat with a complex double-network structure under the action of two kinds of inducing agents by constructing a protein-polysaccharide composite gel system, improves the stability and oiliness of the gel, and expands the cooking adaptability of the simulated fat.

The present invention relates to a composition in the form of a water-in-oil emulsion, including, (a) one or more esters formed from at least one fatty acid having more than 13 carbon atoms; (b) a polymer component including one or more polymerized (iso)butenes; (c) at least about 3% by weight of one or more carbohydrate fatty acid ester emulsifiers; (d) one or more fillers comprising hydrophobic silica; and (e) one or more pigments. The composition is substantially free of silicones & alkanes.

The invention discloses a nanometer fiber yarn-based phytosterol Pickering emulsion as well as a preparation method and application thereof, and the nanometer fiber yarn-based phytosterol Pickering emulsion comprises the following components in parts by weight: 0.5-1 part of nanometer fiber yarn; 1 to 10 parts of phytosterol / phytosterol ester; 95 to 105 parts of a water phase component; 95 to 105 parts of an oil phase component; the nanofibers are extracted from agricultural wastes; according to the invention, the nanofiber is used as the only or main stabilizer of the phytosterol Pickering emulsion, so that the problems of solubility, emulsion stability and bioaccessibility of phytosterol can be solved at the same time; and efficient interface stability and steric hindrance stability are realized by utilizing a unique nano network structure of the nano fiber yarns, and a natural, safe and efficient phytosterol delivery system is provided.

The invention discloses a crisaborole Pickering emulsion as well as a preparation method and application of the crisaborole Pickering emulsion. The crisaborole Pickering emulsion prepared by the invention solves the problem of poor water solubility of crisaborole, improves the drug solubility, and has the characteristics of small particle size, high centrifugal stability, good long-term stability and the like. Compared with the traditional nanoemulsion, the Pickering emulsion disclosed by the invention shows certain advantages in the aspects of biocompatibility, cumulative transdermal amount and cutin retention, improves the curative effect of a local preparation and reduces skin toxicity, and can be used as an ideal local preparation for treating atopic dermatitis and other diseases.