374 results about "Sorbitan" patented technology

The invention relates to the technical field of nano materials, and particularly discloses a preparation method of surface modified nano calcium carbonate for a battery diaphragm coating. According to the method, the technical paths of microemulsion confinement crystal form regulation and control, gradient surface modification and boehmite compounding and porosity regulation and control are fused, and the functional nano calcium carbonate adaptive to the battery diaphragm coating is prepared. According to the technical scheme, limestone is used as a raw material, after calcination and digestion, the particle size of nano calcium carbonate is controlled through microemulsion carbonization (a cyclohexane-span 80-n-butyl alcohol system); a silane coupling agent KH560-KH570 is adopted for gradient modification to introduce an electrophilic functional group, boehmite is compounded to form a composite coating, and the porosity is regulated and controlled by adjusting the solid content in coating slurry and the coating speed. The method is stable in process and high in compatibility, and meets the requirements of diaphragm coatings of lithium ion batteries and solid-state batteries.

The invention discloses a self-assembling emulsifier, comprising emulsifier A, emulsifier B and emulsifier C; the mass ratio thereof is (0.05-3):(0.05-1):(0.05-3); emulsifier A comprises at least one of PPG-24-glycerol polyether-24, PPG-decyl tetradecanol polyether-24, and di(PPG-2 myristyl alcohol polyether-10) adipate; emulsifier B comprises at least one of polyquaternium-52, polyquaternium-61, polyquaternium-74, and polyquaternium-37; emulsifier C comprises at least one of PEG-40 hydrogenated castor oil, PEG-80 sorbitan laurate, PPG-5-cetyl alcohol polyether-20, coconut alcohol polyether-7, and PPG-1-PEG-9 lauryl glycol ether. The invention also discloses glabridin liposomes prepared by the self-assembling emulsifier. The self-assembling emulsifier of the invention can self-assemble and emulsify glabridin to form colorless or slightly yellowish clear and transparent glabridin liposomes with uniform particle size and good hydrophilicity; and the preparation process is simple, avoiding the addition of organic solvents such as methanol, ethanol, and chloroform.

The invention relates to the technical field of chemical etching, and provides an aluminum / molybdenum and molybdenum / aluminum / molybdenum etching solution and a preparation method and application thereof. The etching solution provided by the invention comprises 55-65% of phosphoric acid, 4-6% of nitric acid, 15-27% of acetic acid, 1-5% of an additive and 3-20% of water, the additive is prepared from one or more of polyethylene glycol, phosphotriester, sorbitan fatty acid ester, acetic ester, diethylene glycol monobutyl ether, 3-methoxy propionate and ammonium hydrogen phosphate. The etching liquid provided by the invention can simultaneously etch an aluminum / molybdenum composite metal layer and a molybdenum / aluminum / molybdenum composite metal layer of a display panel, and has the advantages of good compatibility, wide application range, high etching yield, good metal line morphology of an etched substrate, CD-Loss and a Tapper angle within a specification requirement range, and no drilling and etching, chamfering and other defects.

Compositions and methods for cleansing the eyelid and treating an ocular condition with an ophthalmic composition consisting essentially of water, PEG-80 sorbitan laurate, methyl gluceth-20, PEG-120 methyl glucose dioleate, phytosphingosine HCl, decyl glucoside, 1,2-hexanediol, caprylyl glycol, disodium cocoamphodiacetate, panthenol, polyaminopropyl biguanide, sodium chloride, potassium chloride and calcium chloride.

The invention discloses a novel process for producing a high-quality liquid fertilizer by using an acetylisovaleryltylosin tartrate finished product liquid, and relates to the technical field of fertilizer preparation, and the novel process comprises the following specific steps: step 1, firstly, weighing polyoxyethylene sorbitan fatty acid ester, ethylenediamine tetraacetic acid disodium salt, cellulase and protease, and uniformly stirring; the preparation method has the advantages that the polylactic acid-glycolic acid copolymer serving as a functional high-molecular polymer has good biocompatibility and controlled release performance, and when a solution prepared from the polylactic acid-glycolic acid copolymer is emulsified and mixed with an alginate oligosaccharide solution, a uniform emulsion-like active synergistic carrier solution is formed; the emulsifying and mixing process enables the effective components in the two solutions to be fully and uniformly combined together to form a stable microsphere and micelle structure, so that the continuous and slow release of the acetylisovaleryltylosin tartrate and the synergistic plant growth regulatory factors thereof in the growth cycle of crops can be ensured, the fertilizer effect of the acetylisovaleryltylosin tartrate and the synergistic plant growth regulatory factors thereof can be fully exerted, and the crop quality is improved. Therefore, the problem that the fertilizer efficiency is not obvious in the prior art is effectively solved.

To provide a method for suppressing an increase in acid value of a frying oil and fat composition.SOLUTION: A method for suppressing an increase in acid value of a frying oil and fat composition, the method comprising adding to an edible oil and fat at least one emulsifier selected from the group consisting of polyglycerin-condensed ricinoleic acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester, and sorbitan fatty acid ester, wherein further addition of a conditioned oil enables further suppression of the increase in acid value.SELECTED DRAWING: None

The invention discloses a compound emulsifier for a DTY (Draw Textured Yarn) oil agent. The compound emulsifier is prepared from the following components in parts by weight: 8-20 parts of an antistatic agent, 35-50 parts of C12-14 fatty alcohol polyoxyethylene polyoxypropylene ether, 10-20 parts of fatty acid amide polyoxyethylene polyoxypropylene ether and 20-35 parts of sorbitan fatty acid ester, and the fatty acid amide polyoxyethylene polyoxypropylene ether is cocamidopropyl polyoxyethylene polyoxypropylene ether or oleamide polyoxyethylene polyoxypropylene ether. Compared with an existing emulsifier for DTY oiling agent, the compound emulsifier does not contain APEO and other components, is safe and environmentally friendly, has good emulsifying performance and low dosage, and the DTY oiling agent prepared by emulsification of the compound emulsifier is stable, has good smoothness and antistatic property, is easy to wash off on fibers, and does not affect subsequent dyeing processing.

The invention belongs to the technical field of paint removers, and discloses a high-efficiency and environment-friendly paint remover as well as a preparation method and a paint removal method thereof. The paint remover comprises a main solvent, a cosolvent, a surfactant and a thickening agent, the main solvent comprises diethylene glycol monobutyl ether, the cosolvent comprises glycerol and propylene glycol carbonate, the surfactant comprises an anionic surfactant and a nonionic surfactant, and the thickening agent comprises an anionic surfactant and a nonionic surfactant. The non-ionic surface active agent comprises sorbitan fatty acid ester and an organic silicon surface active agent, and the thickening agent comprises xanthan gum and a nanometer aluminum oxide solution. The paint remover does not contain dichloromethane, is low in toxicity and environment-friendly, can quickly swell and strip high polymer molecules of a paint film, thoroughly destroy the adhesive force of the paint film to a substrate and remove the paint film through selective and matched use of specific components, does not cause any corrosion and adverse effect on an aluminum alloy substrate, and is suitable for industrial production. Residues of the depainted base material can be quickly cleaned away, and the phenomena of blackening or whitening and the like are avoided.

The invention provides refractory concrete and a preparation method thereof, and belongs to the technical field of concrete. The preparation method comprises the following steps: modifying basalt fiber, modifying granite stone powder, grafting and mixing. The step of modifying the granite stone powder comprises the following steps: putting the granite stone powder into an ethanol solution, adding sorbitol laurate and polyoxyethylene sorbitan monolaurate, stirring at the stirring temperature of 46-50 DEG C, uniformly stirring, adding threonine, carrying out ball milling treatment for 26-30 minutes at the ball milling rotating speed of 114-125rpm according to the ball-to-material ratio of (3-5): 1, and after the ball milling is finished, cooling to room temperature to obtain the modified granite stone powder. Filtering and drying to obtain modified granite stone powder; the particle size of the granite stone powder is 135 to 145 nm; the mass concentration of the ethanol solution is 45-50%; the mass ratio of the granite stone powder to the ethanol solution to the sorbitol laurate to the polyoxyethylene sorbitan monolaurate to the threonine is (8.3 to 8.7) to (90 to 97) to (1.0 to 1.2) to (1.1 to 1.5) to (4.5 to 4.9); the prepared refractory concrete is high in strength, excellent in water permeability resistance, good in high-temperature corrosion resistance and low in linear shrinkage rate.

The invention belongs to the field of daily chemicals, and particularly relates to a selenium disulfide stable emulsification system.The preparation method of pre-dispersed selenium disulfide comprises the steps that selenium disulfide, glycerin and polysaccharide are mixed and homogenized, then zwitterionic surfactant is added, and the pre-dispersed selenium disulfide is prepared; the polysaccharide has a thickening function in water. According to the emulsifying system, glycerol and xanthan gum are adopted for pre-dispersing and wrapping selenium disulfide, so that selenium disulfide can be suspended by sorbitan triisostearate with three hydrophobic groups, after the formula is used, the selectivity of an emulsifying agent in the emulsion is wider, and meanwhile, the emulsifying effect is better. In a formula development process, sorbitan triisostearate is found to have very good moistening and moisturizing effects on scalp, and the problems of dandruff increase and head itching caused by using selenium disulfide shampoo by a dry scalp user can be solved by using sorbitan triisostearate. Meanwhile, the invention further provides application of the emulsification system and shampoo.

The invention relates to a string maintenance nanoemulsion and a preparation method thereof, and belongs to the technical field of string maintenance. The nanoemulsion comprises polysorbate 80 and sorbitan stearate 60 as main emulsifiers, glyceryl monostearate, cetyl alcohol and stearyl alcohol as auxiliary emulsifiers, liquid paraffin and xanthan gum for adjusting the consistency, chitosan-loaded sodium hyaluronate nanoparticles as a long-acting humectant, and glycerol and propylene glycol as humectants and also can be used as anti-freezing agents. Ethylparaben is used as a preservative; and essence and the balance of water can be selectively added. Uniformly mixing and stirring the water-soluble components; uniformly mixing and stirring oil soluble components; and adding the oil phase into the water phase, stirring to form primary emulsion, emulsifying, homogenizing, cooling, and adding essence to obtain the product. According to the invention, the chitosan-loaded sodium hyaluronate nanoparticles are introduced to realize long-acting moisturizing and moistening of strings, and have the advantages of fine and soft texture and the like.

The present invention is directed to a water-soluble granule compositions comprising 1-amino-1-cyclopropanecarboxylic acid (“ACC”), a filler selected from the group consisting of lactose, dextrose, sucrose or a mixture thereof, one or more wetting agents selected from the group consisting of a non-ionic ethoxylated sorbitan, a polyoxyethylene glycol alkyl ether and an anionic dioctyl sulfosuccinate, one or more binders selected from the group consisting of polyvinylpyrrolidone and a lignosulfonate and one or more organosilicon surfactants selected from the group consisting of a polyalkyleneoxide modified heptamethyltrisiloxane and a polyether trisiloxane.

The present invention relates to a composition in the form of an oil-in-water bigel and comprising: (1) a (C1-C2 alkyl) acrylic acid / (C1-C2 alkyl) acrylic acid C10-C30 alkyl ester copolymer as an aqueous phase thickener; (2) an oil phase thickener preferably comprising one or more selected from the group consisting of olive oil sorbitol ester, dextrin palmitate and polybutylene; (3) a polyglycerol emulsifier having an HLB value from 0 to 8, preferably from 1 to 8, more preferably from 3 to 8; and (4) a solvent. By using the composition in the form of oil-in-water double gel containing the components, a cosmetic product which simultaneously has a high SPF value, good stability, water resistance and improved skin feeling can be prepared. The invention also relates to a preparation method of the composition and application of the composition for preparing cosmetics, especially sunscreen cosmetics.

The invention discloses high-temperature-resistant polyester spinning oil as well as a preparation method and application thereof, and belongs to the technical field of spinning oil. The high-temperature-resistant polyester spinning oil is prepared from the following raw materials in parts by mass: 30 to 70 parts of smoothing agent, 26 to 45 parts of emulsifier, 2 to 5 parts of antistatic agent, 8 to 30 parts of diluting solvent, 0.2 to 0.6 part of antioxidant, 0.2 to 0.8 part of pH regulator and 0.2 to 1.0 part of water, the smoothing agent is prepared from at least one of polyglycerol ricinoleate and pentaerythritol oleate; the emulsifier comprises at least one of castor oil polyoxyethylene ether, polyoxyethylene ether dioleate, polyoxyethylene ether monooleate and sorbitan fatty acid ester. The high-temperature-resistant polyester spinning oil provided by the invention has the advantages of small volatilization amount at high temperature, small smoke, excellent high-temperature decomposition resistance, effective reduction of coking, and improvement of the stability and quality of polyester fibers under high-speed spinning.

The sunscreen composition contains 2-51 mass% of a component (A), 9-80 mass% of a component (B), 0.1-14 mass% of a component (C), 0.1-10 mass% of a component (D), 5-40 mass% of a component (E), and 6-57 mass% of a component (F). The mass ratio ((A) / (B)) of the component (A) and the component (B) is 5 / 95-60 / 40.　Component (A): isoparaffin having an average carbon number of 50-250. Component (B): isoparaffin having an average carbon number of 20-24. Component (C): an emulsifier such as a sorbitan fatty acid ester having an HLB of 2-10. Component (D): a polyhydric alcohol that has 2-6 carbon atoms and is dihydric or trihydric. Component (E): an ultraviolet scattering agent. Component (F): water.

To provide chocolates having physical properties suitable for molding before baking, retaining soft texture after thawing even passing a freezing step after baking, and suppressed in the occurrence of bloom, and to provide a frozen composite bakery food after baking, using the same.SOLUTION: A frozen composite bakery food after baking, having an excellent quality even after thawing is obtained by: combining with a bakery dough, chocolates which contain 20-60 wt.% of an oil and fat composition having a triglyceride composition satisfying all of the following (a)-(d) conditions, and contain 0.3 wt.% or more of a sorbitan saturation fatty acid ester and / or a sucrose fatty acid ester with an HLB of 4 or less, and baking and freezing the product. (a) a POP content is 18 wt.% or more; (b) POP / (PStP+PStSt+StOSt+StStSt) is 1.0 or more and 3.8 or less; (c) POP / POO is 2.5 or more; and (d) POP / (StOSt+StStSt) is 1.0 or more and 4.0 or less.SELECTED DRAWING: None

Provided herein are nanostructured lipid carrier compositions, and methods of making and using thereof. The compositions comprise a nanostructured lipid carrier (NLC), where the NLC comprises an oil core comprising a mixture of a liquid phase lipid and a solid phase lipid, a cationic lipid, a sorbitan ester, and a hydrophilic surfactant, and optionally a bioactive agent. The bioactive agent can be associated with the NLC. The compositions are capable of delivery of a biomolecule to a cell for the generation of an immune response, for example, for vaccine, therapeutic, or diagnostic uses. Compositions and methods related to making the compositions and using the compositions for stimulating an immune response are also provided.

The invention provides coconut oil essence hand cream and a preparation method thereof. The hand cream is prepared from the following raw materials in parts by weight: 18 to 24 parts of coconut oil essence, 12 to 15 parts of compound tremella extract, 3 to 6 parts of fig fruit extract, 7 to 10 parts of grape seed oil, 6 to 9 parts of olive fruit oil, 4 to 7 parts of squalane, 5 to 8 parts of fucoidin, 3 to 6 parts of galactooligosaccharide, 2 to 4 parts of dipotassium glycyrrhizinate, 10 to 14 parts of propylene glycol, 12 to 15 parts of glycerol, 0.01 to 0.05 part of preservative, 10 to 14 parts of sucrose fatty acid ester, 13 to 17 parts of sorbitan olivate, 0.2 to 0.6 part of essence and 140 to 180 parts of water. Through the mutual synergistic effect of the raw materials such as the coconut oil essence, the composite tremella extract, the fig extract, the grape seed oil, the olive fruit oil, the squalane, the fucoidin and the galactooligosaccharide, moisture of hand skin can be effectively locked, a protective layer is formed on the surface layer of the skin, loss of moisture of the hand skin is reduced, and the hand cream has a good hand moisturizing effect. Therefore, the hand skin is kept in a moisturized state, and the problems of skin dryness, desquamation, cracking and the like are effectively reduced.

The present invention relates to a lipid pre-concentrate and a method for preparing same, wherein the lipid pre-concentrate uses a biodegradable lipid having low injection force and low toxicity to delay the release rate of a drug, thereby exhibiting sustained release so that the administered drug can be continuously released for a long period of time.

The invention relates to the field of inorganic nonmetal powder materials, and discloses a preparation method of silicon nitride powder, which comprises the following steps: (1) mixing a surfactant, liquid ammonia and an organic solvent to form a to-be-reacted solution, and mixing the to-be-reacted solution with a silicon tetrachloride solution for substitution reaction to obtain a solution containing silicon imine suspended matters; the surfactant is selected from one or more of sodium dodecyl sulfate, polyvinylpyrrolidone, sodium stearate, sodium dodecyl benzene sulfonate, fatty acid methyl ester ethoxylate sulfonate, fatty acid sorbitan, polysorbate-20 and polysorbate-80; the surfactant is selected from one or more of sodium dodecyl sulfate, polyvinylpyrrolidone, sodium stearate, sodium dodecyl benzene sulfonate, fatty acid methyl ester ethoxylate sulfonate, fatty acid sorbitan, polysorbate-20 and polysorbate-80; (2) carrying out suspended matter extraction and impurity removal on the solution containing the silicon imine suspended matter to obtain silicon imine powder; (3) performing thermal decomposition on the silicon imine powder to obtain amorphous silicon nitride powder; and (4) crystallizing the amorphous silicon nitride powder to obtain the alpha-phase silicon nitride powder. The method can reduce the impurity content and agglomeration degree of the precursor so as to improve the quality of the silicon nitride powder.

To provide an aqueous dispersion composition containing solid particles that includes at least one kind selected from a group consisting of resveratrol superior in dispersibility with inhibition of precipitation or an analog thereof; a production method thereof; and a food, cosmetics, and a pharmaceutical using the aqueous dispersion composition.SOLUTION: An aqueous dispersion composition contains solid particles including at least one kind selected from a group consisting of resveratrol and an analog thereof, an aqueous medium, and a dispersion auxiliary agent. The dispersion auxiliary agent includes at least one kind selected from phospholipid, saponin, sucrose fatty acid ester, polyglyceryl fatty acid ester, sorbitan fatty acid ester, polyoxyethylene phytosterol, polysaccharide, sugar derivative, polyvinyl pyrrolidone, polyvinyl alcohol, and enzyme treated matter.SELECTED DRAWING: None

The invention relates to the field of coatings, in particular to underwater antifouling paint and a preparation method thereof.The underwater antifouling paint comprises 2-5 parts of chlorinated rubber, 1-3 parts of chlorinated polyether resin, 1-2 parts of zinc acrylate resin, 35-50 parts of an antifouling agent, 9-12 parts of compound rosin, 2-5 parts of a flexibilizer, 1-3 parts of a stabilizer, 2-5 parts of a defoaming agent, 0.1-0.5 part of a dispersing agent, 2-3 parts of a thixotropic agent and 15-25 parts of a solvent; the antifouling agent comprises cuprous oxide, an organic antifouling agent and a natural biological antifouling agent; the compound rosin comprises gum rosin and rosin maleic anhydride polyol ester; the toughening agent is prepared from sorbitan fatty acid ester and tricresyl phosphate; the stabilizer comprises zinc oxide and polyoxyethylene fatty alcohol ether. The underwater antifouling paint disclosed by the invention has relatively high adhesive force, flexibility, impact resistance, water resistance and excellent antifouling property, and is suitable for ship bottoms and underwater facilities.

The present invention relates to pesticidal emulsions comprising an aqueous continuous phase comprising paraquat and at least one polyvinylalcohol or polyvinylalcohol derivative; a dispersed oil phase; a pesticidal active ingredient; and at least two polymeric surfactants selected from a sorbitan ester and an ethoxylated sorbitan ester. It also relates to the use of a pesticidal emulsion to control undesired vegetation.

The invention discloses an enconazole self-emulsifying drug delivery system composition and a preparation method thereof, and belongs to the technical field of medicines. The enconazole self-emulsifying composition is prepared from enconazole, an oil phase and an emulsifying agent, the oil phase is sorbitan fatty acid esters; the emulsifying agent is polysorbate; the sum of the sorbitan fatty acid esters and the polysorbates is greater than or equal to 10% and less than 100%. After the self-emulsifying composition is dispersed in water, the particle size is not higher than 10 microns, and after the self-emulsifying composition is stored for 6 weeks at room temperature, the enconazole is not degraded and is uniformly dispersed in an emulsified solution, and the stability is good.

Kit (1) containing an oil-in-water emulsion (2) and a stabilizing container (3); wherein the oil-in-water emulsion (2) is contained in the stabilizing container (3); wherein the stabilizing container (3) is an aluminium container; and the oil-in-water emulsion (2) comprises: at least one prostaglandin at least one oil selected from triglyceride oils, at least one non-ionic surfactant selected from polysorbates and sorbitan esters, at least one cationic agent selected from quaternary ammonium compounds, and Water.

A water-based rust inhibiting agent according to the present disclosure contains a carboxylate, a sorbitan-based surfactant, a silane coupling agent having an epoxy group or a glycol group, and an aqueous medium.

The present invention provides means with which bile acids, phenols, indoles and organic acids contained in a sample can be stably preserved without cryopreservation of the sample. A sample preservation solution of the present invention is a sample preservation solution used for analyzing at least one component selected from the group consisting of bile acids, phenols, indoles and organic acids contained in a biological or environmental sample, containing at least the following (A) and (B): (A) condensed phosphate or polyoxyethylene sorbitan alkylate; and (B) guanidinium thiocyanate, Tris-HCl (pH 7 to 9), and EDTA.

The present application relates to string maintenance nanoemulsion and its preparation method, belong to string maintenance technical field. The nanoemulsion includes: polysorbate 80, stearic acid sorbitan 60 as main emulsifier, glycerin monostearate, cetyl alcohol, stearyl alcohol as auxiliary emulsifier, liquid paraffin, xanthan gum adjusts consistency, chitosan carries sodium hyaluronate nanoparticle as long-acting moisturizing agent, glycerol, propylene glycol is humectant and can be used as antifreezing agent; hydroxyphenyl ethyl as preservative; can also selectively add essence, the balance is water. The water-soluble ingredients are mixed and stirred uniformly; the oil-soluble ingredients are mixed and stirred uniformly; the oil phase is added to the water phase, and the primary emulsion is stirred and emulsified, and the essence is added after cooling, and the present application is obtained. The present application realizes long-acting moisturizing and nourishing of the string by introducing chitosan carrying sodium hyaluronate nanoparticles, and has the advantages of fine texture, softness and the like.

To provide a method for exposing a poorly water-soluble test substance to cultured cells.SOLUTION: Provided is a method for exposing a poorly water-soluble test substance to cultured cells is provided, wherein an emulsified product comprising (A) the poorly water-soluble test substance, (B) polyoxyethylene sorbitan fatty acid ester, and (C) a medium is obtained, and then the emulsified product is exposed to the cultured cells for a predetermined period of time, the method using a cell survival rate of the cultured cells as an indicator to evaluate the presence or absence of cytotoxicity or single-dose toxicity of the poorly water-soluble test substance.SELECTED DRAWING: None

An object of the present invention is to provide a harmful organism control agent capable of achieving, at a low concentration, the control of agricultural or horticultural harmful organisms in which no difference in the control effect is observed between target harmful organism species, by an active ingredient ensuring human safety. The harmful organism control agent is an agricultural composition containing (a) a fatty acid ester; and (b) an amide compound, in which the (a) fatty acid ester is one or more selected from the group consisting of a (poly)glycerin fatty acid ester, a sucrose fatty acid ester, a (polyoxyethylene) sorbitan fatty acid ester, and a propylene glycol fatty acid ester, and the (b) amide compound is an amide compound represented by formula (1) and / or formula (2): in which in formula (1) or formula (2), R is a linear or branched, saturated or unsaturated hydrocarbon having 6 to 20 carbon atoms; Ra and Rb are each independently a hydrogen atom and / or an alkyl group having 1 to 4 carbon atoms; and x is an integer of 0 to 4.