56 results about "Isostearic acid" patented technology

The invention provides a water-in-oil adjuvant for animal vaccines and a preparation method and application thereof, and relates to the technical field of biology, the water-in-oil adjuvant comprises 73%-75% of oil for injection, 20%-23% of an emulsifier and 2%-7% of a stabilizer; the emulsifying agent is prepared from 4.5 percent to 5 percent of polyoxyethylene fatty alcohol ether, 3.0 percent to 3.5 percent of glycerol monoisostearate, 7.0 percent to 8.0 percent of span 80, 4.5 percent to 5 percent of Tween 80 and 1 percent to 1.5 percent of vitamin E; the vaccine prepared from the water-in-oil adjuvant has the advantages that the viscosity is reduced, and the injection is easy. The technical problems that in the prior art, a vaccine prepared from an oil-in-water adjuvant is large in viscosity, so that resistance is large during injection, the occurrence rate of side reactions is high, an injection part swells, and granuloma is formed are solved.

The invention relates to the technical field of organic synthesis, and particularly discloses a synthesis method of bis-diglycerol polyacyl adipate-2, which comprises the following synthesis steps: S1, stirring and mixing isostearic acid, caprylic capric acid, stearic acid and 12-hydroxystearic acid to obtain total fatty acid; s2, stirring and mixing dipolyglycerol, adipic acid, total fatty acid and an organic tin catalyst, and starting to heat; s3, the initial reaction temperature is controlled to be 140-150 DEG C, the reaction vacuum degree is 0.04 MPa, the heating rate is controlled to be 2-10 DEG C / h in the reaction process, the temperature is increased to 190-210 DEG C, then the reaction vacuum degree is converted into 0.1 MPa, and the heat preservation reaction is conducted for 4-10 h; after the reaction is completed, sampling and measuring an acid value; and S4, after the acid value reaches the standard, carrying out heat preservation reaction for 2-5 hours under a high-vacuum condition, cooling, and filtering to obtain the product. The organic tin catalyst is used, the esterification period is shortened, the conversion rate is increased, and the production cost is reduced.

The invention relates to the field of cosmetics, in particular to skin moistening oil containing a water-soluble active matter and a preparation method of the skin moistening oil. The skin moistening oil of the water-soluble active matter is prepared from the following raw materials in parts by mass: 0.1-1 part of a phase A, 3-15 parts of a phase B and 80-100 parts of a phase C, wherein the phase A is a water-soluble component, and the water-soluble component comprises one or more of deionized water, VC ethyl ether and nicotinamide; the phase B is a solvent, and the solvent comprises one or more of ethyoxyl diethylene glycol, 1, 2-pentanediol, isopentanediol and isostearic acid; the phase C is skin moistening oil, and the skin moistening oil comprises caprylic / capric triglyceride. The skin moistening oil product provided by the invention has the advantages of clear and transparent appearance, good fluidity, excellent stability, no need of adding a surfactant or a solubilizer, mildness, no irritation, simple process, controllable cost, good practical value and good application prospect.

The invention discloses a method for preparing isostearic acid by hydrogenation of a bio-based carrier catalyst, and relates to the technical field of oleochemical engineering and catalyst preparation, and the method comprises the following steps: S1, preparing a bio-based supported catalyst; s2, taking isomerized oleic acid as a raw material, and carrying out catalytic hydrogenation reaction under the action of a catalyst; s3, separating a product obtained after the hydrogenation reaction to obtain isostearic acid; according to the method for preparing isostearic acid by hydrogenation of the bio-based carrier catalyst, oyster shells are selected as a catalyst carrier, and specific pretreatment and high-temperature firing are performed, so that waste biomass resources are converted into a high-specific-surface-area calcium oxide carrier with a natural nanoscale sheet-shaped superposed three-dimensional space structure; high-value utilization of waste resources is achieved, so that the effects that the cost of raw materials of the catalyst is remarkably reduced and the carrier is environmentally friendly are achieved, and the high-activity non-noble metal hydrogenation catalyst is obtained by adopting copper nitrate solution impregnation and combining with a loading mode of subsequent hydrogen reduction.

The present invention relates to a cosmetic preparation comprising at least one mineral sunscreen filter, polyglyceryl-4 diisostearate / polyhydroxystearate / sebacate, polyhydroxystearic acid, isostearic acid, polyglyceryl-2 oleate and polyglyceryl-2 stearate; and the use of the preparation for protection against sunlight.

The invention belongs to the technical field of polyamide preparation, and particularly relates to a preparation method for reducing the freezing point of bio-based polyamide. A bio-based polyamide prepolymer is prepared from raw materials including dimer acid, isostearic acid, ethanediamine, hexamethylenediamine, a polyether crosslinking monomer, a branched chain alkylamine monomer, an antioxidant dispersant and a high-temperature stabilizer, and then the bio-based polyamide prepolymer is mixed with alcohol-soluble polyester and a compatilizer to obtain bio-based polyamide which has a low freezing point, good anti-gel performance and environmental friendliness and can be used for preparing the bio-based polyamide. And the printing quality in a low-temperature environment can be obviously improved.

The purpose of the present invention is to provide: a solid powder cosmetic which has excellent color difference between an appearance color and a middle color, powder extraction properties, filling moldability, and cosmetic durability; and a method for producing the solid powder cosmetic. The solid powder cosmetic contains: (A) a metal oxide which has been subjected to a surface coating treatment with polyglycerol-2 tetraisostearate; (B) a plate-shaped powder having an average particle diameter of 1 [mu] m or more and less than 80 [mu] m And (C) a non-volatile oil agent that is liquid at 25 DEG C.

The invention relates to the technical field of cosmetics, in particular to a composition for improving the sticky and greasy skin feeling of high-concentration glass color and a preparation method thereof.The composition is prepared from, by weight, 2-4 parts of glyceryl polyether surfactant, 0.1-1 part of amino acid derivative surfactant, 0.5-6 parts of hydrophilic siloxane derivative and 0.1-3.5 parts of microemulsion phase; the microemulsion phase is prepared from polyoxyethylene hydrogenated castor oil, sorbitan sesquiisostearate, isostearyl alcohol, isostearic acid, non-polar hydrocarbon grease, aliphatic dihydric alcohol and water. According to the composition, through the synergistic effect of the glyceryl polyether surfactant, the amino acid derivative surfactant, the hydrophilic siloxane derivative and the microemulsion phase, the sticky and greasy skin feeling of high-concentration glass color due to the formula is remarkably improved, the smearing freshness and consumer acceptance are improved, the formula process is simple, and industrial production is easy.

Disclosed is a water-in-oil type emulsion composition which exhibits little color unevenness when applied and which can be easily washed off with soaping (soaping) after being applied. The composition comprises (A) a non-cyclic silicone oil; (B) a pigment; (C) a metal soap; and (D) one or more dispersants selected from the group consisting of bis-butyl polydimethylsiloxane polyglycerol-3, isostearic acid, sorbitan sesquiisostearate, polyglycerol-6 polyricinoleate, glycerol isostearate, and cetyl PEG / PPG-10 / 1 polydimethylsiloxane, the amount of the dispersant being less than or equal to the total amount of the oil content in the composition, and the amount of the dispersant being less than or equal to the total amount of the oil content in the composition. The blending amount of the component (A) is 35 mass% or more.

To provide a water-in-oil cosmetic that offers both excellent usability as a cosmetic product and high stability. [Solution] A water-in-oil cosmetic composition containing 50% by mass or more of water, comprising the following components (A) to (C): (A) dipolyhydroxy fatty acid polyalkylene glycol, (B) sesquiisostearate sorbitan, and (C) oil thickener. Preferably, component (A) is polyethylene glycol dipolyhydroxystearate, component (B) is sorbitan sesquiisostearate, and component (C) is dextrin palmitate.

The invention relates to the technical field of medicines, and provides a semeglutide coated tablet and a preparation method thereof. The chip-coated sheet comprises a chip core layer and a shell layer, the tablet core layer comprises a first absorption enhancer; the shell layer comprises a second absorption enhancer; the first absorption enhancer and the second absorption enhancer are selected from the group consisting of sodium 8-(2-hydroxybenzamido) caprylate, Tween 80, lauryl sodium sulfate, sodium caprate, polyglycerol-3 diisostearate, oleic acid, lauric acid, sodium deoxycholate, sodium cholate, polyoxyethylene (35) castor oil, PEG-vitamin E succinate, PEG-vitamin D3 succinate and pluronic. The invention relates to a preservative which is prepared from the following raw materials: polyethylene glycol, a methoxy polyethylene glycol-polycaprolactone copolymer, sucrose fatty acid ester, 15-hydroxystearic acid polyethylene glycol ester and caprylic / capric acid polyethylene glycol glyceride. The coated tablet provided by the invention adopts a double-layer structure consisting of the tablet core layer and the shell layer, so that the bioavailability of the preparation can be remarkably improved, the oral dosage can be hopefully and greatly reduced, and the medication cost is reduced.

The invention discloses high-magnetic-induction oriented silicon steel rolling oil which comprises the following components in parts by weight: 70-90 parts of synthetic ester, 5-15 parts of white oil, 5-10 parts of a lubricating additive, 2-5 parts of an emulsifier, 0.5-2 parts of an antioxidant and 1-3 parts of an anti-rust additive. The synthetic ester is selected from any one of trimethylolpropane coconut oleate, butyl stearate, trimethylolpropane oleate or trimethylolpropane triisostearate, and the emulsifier is composed of a cationic surfactant and a nonionic surfactant in a mass ratio of (1-1.5): 1. Compared with traditional rolling oil, the rolling oil provided by the invention adopts a brand new combination of the emulsifier and the dispersant, the stability and dispersion performance of the rolling oil during emulsification use are improved, the obtained rolling oil emulsion is stable and wide in applicable pH range, and the rolling oil also has excellent lubricating and anti-rust performance, is low in cost and is suitable for large-scale popularization.

The invention relates to the technical field of daily chemical products and cosmetics, in particular to a scalp repair composition containing epidermis repair polysaccharide and saccharomycetes lysate. The skin repairing composition is prepared from the following raw materials in percentage by mass: 1 to 5 percent of skin repairing polysaccharide; 1%-5% of a yeast lysate; 1%-10% of PEG-5 (Polyethylene Glycol) glycerate triisostearate; and the balance of cosmetically acceptable matrix. The polysaccharide is mannan which is obtained by fermenting Paenibacillus sp.1538, and the weight-average molecular weight of the mannan is 6.15 * 10 < 6 > Da. The specific ultra-high molecular weight polysaccharide is compounded with the saccharomyces cerevisiae extract, and the low-irritation PEG-5 glycerate triisostearate is introduced, so that the compatibility problem that the high molecular weight polysaccharide is easy to flocculate is effectively solved. The composition can form a film immediately, deeply resist inflammation, relieve and repair a physical barrier of scalp, has an excellent synergistic effect, and solves the problem of scalp chemical stimulation injury caused by a traditional surfactant from the source.

A cosmetic composition for enhancing skin absorption of active ingredients and formulation stability is disclosed. The cosmetic composition contains three or more ingredients selected from the group consisting of bis-ethoxydiglycolcyclohexane 1,4-dicarboxylate, lysolecithin, citron seed oil, and glycereth-25 PCA isostearate. The cosmetic composition has effects of enhancing skin absorption of active ingredients and enhancing formulation stability.

The present disclosure relates to a template free modified ferrierite zeolite has a Si / Al ratio in the range of 12 to 13. Further, the present disclosure also provides a method of preparation of a modified ferrierite zeolite. The present disclosure also provides a process of conversion of oleic acid to iso-stearic acid by using the modified ferrierite zeolite. The commercial grade oleic acid conversion is about 85% and isostearic acid selectivity is about 86%.

The invention discloses a method for separating isostearic acid from an oleic acid isomerization product, which comprises the following steps: 1) carrying out first molecular distillation on the oleic acid isomerization product to remove short-chain fatty acid, and then carrying out second molecular distillation to remove dimer acid to obtain mixed saturated fatty acid; 2) heating the mixed saturated fatty acid for crystal breaking, and cooling to obtain an oil phase; 3) dissolving lauryl sodium sulfate and fatty alcohol-polyoxyethylene ether in a phosphate buffer solution, and heating to obtain a water phase; 4) dispersing the oil phase in the water phase to obtain an emulsion; and 5) cooling and crystallizing the emulsion to separate out palmitic acid and stearic acid, centrifuging, and taking supernatant liquid to obtain isostearic acid. The method for separating isostearic acid from the oleic acid isomerization product has the advantages of being high in isostearic acid yield, simple in process, short in operation time, low in energy consumption, environmentally friendly and the like, and is suitable for large-scale industrial application in isostearic acid production.

The invention relates to the technical field of preparation of cleansing products, in particular to a formula and a preparation method of skin-refreshing cleansing oil, and the skin-refreshing cleansing oil is characterized in that fatty acid ester components and polyoxyethylene ether surfactants in a system are balanced by adjusting the proportion of cetyl alcohol ethyl hexanoate to PEG-8 diisostearate; after the proportion is adjusted, the dosage of sorbitol polyether-30 tetraoleate is increased to 7%, and the strength of an interfacial film is improved; and tocopherol is added as an antioxidant substance, so that the risk of emulsification collapse caused by oxidation stability is reduced. According to the skin-refreshing cleansing oil formula and the preparation method, the strength of an interfacial film is enhanced by increasing the dosage of sorbitol polyether-30 tetraoleate, oxidation is inhibited by adding tocopherol, the content of squalane is dynamically adjusted by combining the proportion of polar / non-polar components, emulsification collapse and layering are effectively avoided, and it is ensured that the product is kept in a stable state in the storage and use process.

The invention belongs to the field of skin science and formula engineering, and particularly relates to branched-chain ceramide with excellent solubility and a preparation method and application thereof.The branched-chain ceramide is obtained by docking branched-chain saturated fatty acids such as isostearic acid, isopalmitic acid and 2-hexyldecanoic acid with sphingosine bases. Compared with traditional straight-chain ceramide, the branched-chain ceramide has a lower melting point, has remarkably higher solubility in different polar solvents and shows more excellent stability in an oil phase system, so that high-concentration addition of the branched-chain ceramide in various compound dosage forms such as O / W, W / O, anhydrous cream, transparent oil gel and a surfactant system is realized. Meanwhile, the invention provides a green condensation or enzyme catalysis synthesis route and magnification thereof, and provides a representative structural formula and nuclear magnetic data, and compared with the solubility and applicability of the traditional straight-chain ceramide, the product provided by the invention is proved to have wide application value in the fields of skin barrier repair, moisturizing and soothing, hair care and the like in the future.

The invention aims to provide the mud conversion powder composition which is efficient in powder dispersion, long-acting and stable in system and good in skin feeling and makeup effect, and the preparation method of the mud conversion powder composition by utilizing multi-element infrared synergetic drying. The sludge conversion powder composition is prepared from the following components in percentage by mass: 50 to 70 percent of myristic acid modified synthetic fluorophlogopite, 20 to 40 percent of titanium dioxide, 2 to 5 percent of triethoxyoctyl silane modified silicon dioxide, 2 to 5 percent of polymethylsiloxane modified silicon dioxide, 2 to 5 percent of PEG-12 polydimethylsiloxane, 1 to 3 percent of sorbitan isostearate and 1 to 3 percent of diisostearyl malate. The cleaning agent is prepared from the following components in percentage by weight: 1 to 3 percent of polydimethylsiloxane, 0.4 to 1.2 percent of zinc stearate, 0.36 to 0.9 percent of caprylyl glycol, 0.04 to 0.1 percent of ethylhexylglycerin and 0.4 to 1 percent of phenoxyethanol; the preparation method utilizing multi-element infrared synergistic drying is used for preparing the sludge-to-powder composition. The invention is applied to the technical field of cosmetics.

The invention belongs to the technical field of daily cosmetics, and particularly discloses double-continuous-phase cleansing oil and a preparation method thereof. The bicontinuous phase cleansing oil comprises a component A and a component B. The component A is prepared from 1%-10% of PEG-7 glyceryl cocoate, 10%-20% of PEG-20 glyceryl triisostearate, 10%-30% of cetyl alcohol ethyl hexanoate, 10%-30% of coconut oil alcohol-octoate / caprate and 10%-20% of isododecane. The component B is prepared from 1 to 15 percent of methylpropanediol, 1 to 10 percent of glycerol, 0.5 to 2 percent of radix gentianae macrophyllae extract, 1 to 10 percent of butanediol, 0.5 to 2 percent of 1, 2-hexanediol, 0.5 to 3 percent of 1, 2-pentanediol, 0.5 to 2 percent of cordyceps sinensis mycelium powder and the balance of water. According to the present invention, the component A and the component B are mixed to form the continuous and stable three-dimensional network structure with the oil channel and the water channel penetrating through each other, such that the instant emulsification, the easy washing, the refreshing skin feeling and the functional component can be provided so as to achieve the omnibearing cleaning;

The present disclosure provides a water-in-oil makeup cosmetic composition containing isostearic acid, a pigment-grade powder (specifically, a pigment-grade powder coated with a lipoamino acid), an emulsifier having an HLB greater than 0 and lower than or equal to 8, and a residual amount of water, the composition having superior water resistance and cleansing properties at the same time. The water-in-oil makeup cosmetic composition of the present disclosure can be usefully used because it has superior water resistance in environments with below-neutral pH, such as tap water, sweat, etc. and is converted to have superior cleansing properties when the skin is washed with alkaline water such as soapy water.

The present invention provides an oily solid cosmetic composition containing plant-based and / or animal-derived waxes that exhibits excellent meltability, smooth glide, and especially high-temperature stability and durability. [Solution] The present invention provides an oily solid cosmetic composition comprising (A) candelilla wax, (B) plant-based and / or animal-based wax having a melting point of 70°C or higher, (C) a monoester of a monovalent linear saturated fatty acid and a monovalent linear saturated fatty alcohol having a total of 40 to 48 carbon atoms, and (D) at least one selected from the group consisting of (polyglyceryl-2 isostearate / dimer dilinoleate) copolymer, hydrogenated castor oil dimer dilinoleate, hydrogenated castor oil isostearate, phytosteryl / octyldodecyl lauroyl glutamate, octyldodecyl stearoyloxystearate, polyglyceryl-10 isostearate, polyglyceryl-10 diisostearate, polyglyceryl-10 decaisostearate, and polybutene.

This invention relates to the field of cosmetic technology and discloses a method for preparing an anti-agglomeration hydrophobic pigment and the pigment itself. The preparation method includes: activating an inorganic pigment to prepare a pigment dispersion; dissolving a first modifier in an organic solvent to obtain a first modified dispersion, wherein the first modifier is isopropoxytitanium triisostearate; mixing the first modified dispersion with the pigment dispersion and removing the organic solvent to obtain a primary modified wet filter cake; dissolving a second modifier in an organic solvent to obtain a second modified dispersion, redispersing the primary modified wet filter cake and mixing it with the second modified dispersion, removing the solvent to obtain a secondary modified wet filter cake; dissolving a third modifier in an organic solvent to obtain a third modified dispersion, mixing it with the secondary modified wet filter cake, and finally removing the organic solvent and drying to obtain the modified inorganic pigment. This invention effectively improves the anti-agglomeration properties and dispersion stability of the pigment through a three-step synergistic modification.

[Problem] The purpose of the present invention is to provide a cosmetic in which nicotinamide is stably blended in a cosmetic in which an oil component is contained in a microemulsion, and in which the stability of the microemulsion is high. [Solution] A cosmetic according to the present invention, the present invention relates to a cosmetic composition comprising (A) a hydrophilic polyethylene glycol hydrogenated castor oil, (B) a lipophilic polyglycerol fatty acid ester, (C) one or more oil components selected from the group consisting of cetyl ethyl hexanoate, caprylic / capric triglyceride, glycerol tri (ethylhexanoate) ester, pentaerythritol tetra (ethylhexanoate) ester, and diphenylsilyloxyphenyltrimethylsiloxane, and (D) nicotinamide, the oil component is present in the microemulsion, and when the cosmetic contains isostearic acid, the blending amount of isostearic acid is 0.15% by mass or less with respect to the total amount of the cosmetic.

This application relates to the field of veterinary drug formulation technology, and discloses a cat anti-stress oral formulation containing pregabalin and its preparation method. The raw materials include: pregabalin-L-arginine co-ground micronized powder, isostearic acid, medium-chain triglycerides, hydrophobic fumed silica, and anhydrous yeast extract powder. The preparation method includes the following steps: weighing each raw material by mass; dissolving isostearic acid in medium-chain triglycerides by heating and stirring; starting high-speed dispersion under vacuum and constant temperature; introducing pregabalin-L-arginine co-ground micronized powder for reaction; introducing anhydrous yeast extract powder for dispersion; cooling and switching to low-speed stirring; adding hydrophobic fumed silica and running under vacuum; finally, static aging and packaging to obtain the finished product. This invention employs a technical solution of compounding pregabalin-L-arginine co-ground micronized powder, isostearic acid, and hydrophobic fumed silica in the oil phase, achieving the technical effect of thixotropic formulation and long-term static non-sedimentation.

The objective of this invention is to provide an oil-in-water emulsion cosmetic composition that stably incorporates pigment particles surface-treated with a metal soap-based surface treatment agent into emulsion particles, exhibits excellent high-temperature stability, and also demonstrates excellent usability (especially a moisturizing feel). The solution is an oil-in-water emulsion cosmetic composition comprising an oil phase and an aqueous phase. The oil phase comprises at least a portion of pigment particles surface-treated with a metal soap, isostearic acid, and a liquid oil, wherein the pigment particles are dispersed in the liquid oil, and at least 50% by mass of the liquid oil is volatile silicone oil.

This invention discloses a non-phosphorus ethylene cracking furnace coking inhibitor, its preparation method, and its application, applicable to the field of ethylene production technology. The inhibitor comprises the following components by weight percentage: dimethyl dithioaminodiethyl ester (7-32%), tributyl citrate (25-45%), dioctyl maleate (15-35%), pentaerythritol tetraisostearate (10-25%), sorbitan monooleate (5-20%), dioctyl adipate (3-15%), and butyl stearate (1-10%), as well as an organic solvent (a mixture of ethylene glycol ethyl ether, ethylene glycol butyl ether, propylene glycol methyl ether, isopropanol, and n-butanol), and is completely free of phosphorus. This inhibitor effectively prevents catalytic coking and inhibits gas-phase polymerization reactions through a dual mechanism of "physical shielding + chemical inhibition." Compared with existing coking suppression methods, this invention has higher coking suppression efficiency, less equipment corrosion, excellent storage stability, and environmental safety, making it suitable for various ethylene plants.

The present invention provides a cosmetic composition comprising isostearic acid, isostearyl alcohol, glycerin, and a lipopeptide compound having a cyclic structure or a salt thereof, which has excellent penetration-promoting effect, and has good transparency and long-term transparency stability in a specific composition.

The application belongs to the field of daily chemicals, and particularly relates to a selenium disulfide stable emulsification system, and a preparation method of pre-dispersed selenium disulfide. The preparation method comprises the following steps: mixing selenium disulfide, glycerol and polysaccharide to be homogeneous, and then adding an amphoteric ion surfactant to prepare pre-dispersed selenium disulfide. The polysaccharide is a polysaccharide having a thickening function in water. The emulsification system adopts glycerol and xanthan gum to pre-disperse and wrap selenium disulfide, so that the selenium disulfide can be suspended by sorbitan triisostearate with three hydrophobic groups. After the formula of the application is used, the emulsifier in the emulsion can be selected more widely. Meanwhile, it is found in the formula development process that sorbitan triisostearate has very good moisturizing effect on the scalp, and the problem of increased dandruff and itching caused by the use of selenium disulfide shampoo by dry scalp users can be solved by using sorbitan triisostearate. Meanwhile, the application also provides application of the emulsification system and a shampoo.

This cleansing composition contains: a component (A) comprising a polyglycerol fatty acid ester (A-1) in which two or more oleic acid molecules are ester-bonded to one polyglycerol molecule having a degree of polymerization between 5 and 10, or a polyglycerol fatty acid ester (A-2) in which two or more isostearic acid molecules are ester-bonded to the component (A-1) and one polyglycerol molecule having a degree of polymerization between 6 and 10; a liquid water-soluble component (B) containing glycerol and / or diglycerol; and a liquid oil (C). The content of glycerol and / or diglycerol is at least 50% by mass with respect to the total mass of the component (B).