182 results about "Decanoic acid" patented technology

The invention relates to the field of coatings, and discloses a biomass-based oil-resistant coating and a preparation method thereof, the coating comprises an additive solution, a paraffin solution and gallic acid; the paraffin solution is obtained by dissolving paraffin in absolute ethyl alcohol; a preparation method of the additive solution comprises the following steps: mixing chitosan powder and an acetic acid aqueous solution to prepare a chitosan solution, ultrasonically dispersing functionalized montmorillonite in deionized water to prepare a suspension, then uniformly mixing the chitosan solution and the suspension, adding modified phytic acid prepared by grafting phytic acid and ethylene glycol diglycidyl ether, and stirring to react; the functional montmorillonite is prepared by modifying modified montmorillonite with titanium dioxide and zinc oxide, then activating the modified montmorillonite with 3-aminopropyltriethoxysilane and succinic anhydride, and then carrying out a ring-opening reaction with glycidyl neodecanoate. The coating prepared by the invention has high water resistance, the Kit oil-proof grade is kept at grade 12, and the oil-proof performance of the coating is greatly improved. Meanwhile, the antibacterial performance, the tensile index and the ultraviolet aging resistance are relatively high.

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.

A method for preparing a silver powder, comprising: subjecting a first silver salt, a first dispersing agent and a first reducing agent to a first treatment, so as to obtain silver crystal nucleuses; and subjecting the silver crystal nucleus, a second silver salt, a second dispersing agent, a second reducing agent and a modifying agent to a second treatment, so as to obtain a silver powder, wherein the modifying agent comprises lauric acid, decanoic acid and undecanoic acid. The silver powder prepared by means of the method has good dispersity and wettability, a narrow particle size distribution, a small particle size and high sintering activity, and is not prone to agglomeration in a conductive silver paste, thereby enabling the conductive silver paste to have a high solid content and endowing the conductive silver paste with good conductivity. The present invention further relates to a silver powder, a conductive silver paste, an electronic device and electric equipment.

The invention discloses a composition containing achillea millefolium extract, which is prepared from the following ingredients in percentage by weight: 45 to 55 percent of glycerol, 4 to 6 percent of hydrogenated lecithin, 3 to 5 percent of caprylic / capric triglyceride, 1 to 3 percent of 1, 2-hexanediol, 0.8 to 1.2 percent of achillea millefolium extract, 0.4 to 0.6 percent of ergothioneine and the balance of water. Through precise compounding of the achillea millefolium extract and the ergothioneine, the dual effects of anti-inflammation and skin repair are achieved, flavonoid and organic acid components in the achillea millefolium extract can effectively inhibit release of inflammatory mediators such as IL-6 and TNF-alpha, and sensitive symptoms such as red and swollen and pruritus are relieved.

The invention discloses breeding of a pichia kluyverovii strain with high yield of beta-lyase and application of the pichia kluyverovii strain in beer fermentation, and belongs to the technical field of bioengineering. The pichia kluyveri B21 is preserved in the China General Microbiological Culture Collection Center, and the preservation number of the pichia kluyveri B21 is CGMCC (China General Microbiological Culture Collection Center) No.34028. The strain can produce high-yield beta-lyase, and the beta-lyase is catalyzed to produce volatile mercaptan and endows beer with fruity flavor. The contents of ethyl acetate, isoamyl acetate, isobutyl acetate, ethyl nonanoate, ethyl caprate, phenethyl acetate, linalool and nerol generated by the pichia kluyveri B21 in a hops simulated culture medium are relatively high, and the volatile substances can increase the fruit fragrance and flower fragrance of beer and enrich the flavor of the beer. The pichia kluyveri B21 is expected to be added into production of other food and beverages so as to enrich flavor substance components.

Methods improve cognitive functioning, for example, at least one of episodic memory, executive function, or language skills; supporting memory and / or recall; providing energy and / or ketones to the brain; and / or preventing and / or treating mild cognitive impairment (MCI) in an individual. A composition comprising medium chain triglycerides (MCTs) can be administered to the individual in a daily dosage providing from about 15 g to about 45 g MCTs. The MCTs can include from about 51 wt % to about 90 wt % of octanoic acid. The daily dose can be provided in at least two servings, for example, 2 or 3 servings. Each serving can provide about 15 g MCTs and can include octanoic acid and decanoic acid in a weight ratio of, for example, about 60:about 40. The individual can be 65 years or older and / or have mild cognitive impairment (MCI).

The invention discloses supramolecular liquid crystal cream and a preparation method thereof, and relates to the technical field of cosmetic preparation. Comprising 0.3%-2% of supramolecular 10-hydroxydecanoic acid-alpha-bisabolol, 1.5%-5% of an emulsifier, 0.5%-3% of behenyl alcohol, 6.8%-23% of an emollient, 1.5%-6% of an emulsion stabilizer, 0.95%-2.85% of a thickener, 5%-14% of a humectant, 0.6%-1.8% of a preservative and a proper amount of water. Wherein the emulsion stabilizer comprises cetostearyl alcohol, and the mass ratio of the cetostearyl alcohol to the behenyl alcohol is (0.5-2): (0.5-3); the thickening agent comprises at least one of xanthan gum, microcrystalline cellulose / cellulose gum and bentonite. The specific thickening agent and the long-chain fatty alcohol emulsion stabilizer are added into the supramolecular system, so that ordered arrangement of liquid crystals in the supramolecular system is remarkably promoted, the mechanical strength of the lamellar liquid crystals is improved, and the stability of the supramolecular liquid crystal system is further improved.

A lubricating fluid composition comprising i) a diester of polyethlene glycol esterified with a mixture of octanoic and deconoic acid where the polyethylene glycol may have 2-12 ethylene units and ii)

The application discloses a rust-proof enhancer for PAG quenching liquid, and raw materials of the rust-proof enhancer include the following components in parts by weight: 40-45 parts of organic-inorganic rust-proof additive, 35-40 parts of pH regulator, 5-10 parts of non-ferrous metal rust-proof agent and 5-10 parts of antibacterial agent; the organic-inorganic rust-proof additive is a mixture of dicarboxylic acid, tricarboxylic acid, phytic acid, isomeric decanoic acid, fatty acid amide or fatty acid amine salt and sodium tungstate; the components synergistically generate a stable rust-proof film on the surface of metal, the rust-proof film has strong adhesion and can be firmly attached to the surface of metal, is less affected by the polarity of PAG, can effectively enhance the rust-proof performance of steel workpieces after quenching, and has no adverse effect on the properties such as the cloud point, viscosity, foam and cooling characteristics of the quenching liquid.

The application discloses a polyvinyl alcohol composite silicon oxide microcapsule temperature control material and a preparation method thereof, and relates to the technical field of temperature control materials.The emulsion prepared by Pickering emulsification and covered by nanometer silicon oxide and decanoic acid-stearic acid eutectic crystals is mixed with a polyvinyl alcohol solution, and electrostatic spinning treatment is performed, so that a spinning film is obtained, namely the polyvinyl alcohol composite silicon oxide microcapsule temperature control material.The polyvinyl alcohol composite silicon oxide microcapsule temperature control material prepared by the application can provide all-weather radiation refrigeration and phase change energy storage, has excellent recycling performance, and has the characteristics of simple process, stable performance, safe and efficient, low cost, and can be widely applied to the fields of food, medicine and textiles.

A flavor composition is provided. The flavor composition includes decanoic acid; ethyl palmitate; and 10-undecenoic acid.

To provide alternative methods of administration of IL-22, since currently there are limitations for administration of IL-22 for treatment of inflammatory diseases.SOLUTION: Provided is an oral, intra-rectal, or other gut-related pharmaceutical composition comprising an IL- 22 protein and an absorption enhancer selected from the group consisting of N(8-[2- hydroxybenzoyl]aino)caprylic acid (NAC), N-(10-[2-hydroxybenzoyl]amino)decanoic acid (NAD), a salt of the NAC or the NAD.SELECTED DRAWING: Figure 1

The application provides a method for separating and purifying 3-hydroxydecanoic acid from Pseudomonas bacteria. First, the fermentation product of Pseudomonas bacteria is decomposed by alkali to obtain monomers of 3-hydroxydecanoic acid. Then, activated carbon is used for decolorization, and microfiltration membrane and ultrafiltration membrane are used for treatment to remove macromolecular impurities. Finally, a sodium 3-hydroxydecanoate solution is loaded onto a polystyrene-divinylbenzene macroporous resin column modified by polyethyleneimine, and eluted with an ethanol-water (volume ratio 1:1) solution with a pH of 11. The eluate is collected, ethanol is evaporated, a purified sodium 3-hydroxydecanoate solution is obtained, hydrochloric acid is added to adjust the pH to 3-4, and the precipitate is collected by centrifugation and dried to obtain a 3-hydroxydecanoic acid product. The content of 3-hydroxydecanoic acid is detected by liquid chromatography, and the total content of 3-hydroxydecanoic acid in the purified product is higher than 90%. The method uses less organic solvent, the steps are simple, the purity of the obtained product is high, and the application requirements of cosmetics and pharmaceutical intermediates are met.

The invention relates to the field of lipidosome technology and skin external preparations, in particular to bionic ceramide coated retinol lipidosome and a preparation method and application of the bionic ceramide coated retinol lipidosome. The liposome is prepared from the following raw materials in parts by weight: 1.0 to 3.0 weight percent of ceramide NP, 1.0 to 3.0 weight percent of ceramide AP, 0.05 to 0.5 weight percent of ceramide EOP, 1.0 to 3.0 weight percent of cholesterol, 0.50 to 2.0 weight percent of meadowfoam seed oil, 3.0 to 10.0 weight percent of hydrogenated lecithin, 1.0 to 3.0 weight percent of retinol, 0.50 to 2.50 weight percent of tocopheryl acetate, 15.0 to 45.0 weight percent of caprylic / capric triglyceride MCT, 1.0 to 5.0 weight percent of propylene glycol, 15.0 to 45.0 weight percent of glycerol and the balance of water, the bionic layered film is constructed by the multi-subtype ceramide, cholesterol and hydrogenated lecithin, the oil phase and an antioxidant system are cooperated, the stability of retinol under light, heat and oxygen is remarkably improved, slow release is achieved, meanwhile, skin tolerance is improved, and the bionic layered film can be widely applied to essence, emulsion, face cream, ampoule and other external skin care preparations.

The invention discloses expanded vermiculite-based decanoic acid and stearic acid composite phase change aggregate as well as a preparation method and application thereof, and belongs to the technical field of building materials. The expanded vermiculite-based decanoic acid and stearic acid composite phase change aggregate is expanded vermiculite which is compositely packaged by silica gel / epoxy resin and adsorbs a binary phase change material; wherein the silica gel / epoxy resin composite packaging is that silica gel is firstly used for packaging, and then epoxy resin is used for packaging; the binary phase change material is obtained by mixing capric acid and stearic acid according to a mass ratio of (9: 1)-(8.5: 1.5); the mass of the binary phase change material does not exceed 40% of the total mass of the expanded vermiculite and the binary phase change material. According to the invention, decanoic acid and stearic acid are selected as binary phase change materials, expanded vermiculite is taken as an adsorption material, then silica gel / epoxy resin is utilized to carry out surface packaging and hardening treatment on a phase change polymer to prepare phase change aggregate, the phase change aggregate is applied to the phase change concrete, and the obtained phase change concrete can effectively buffer temperature change and reduce temperature fluctuation; the indoor temperature is kept stable, the indoor comfort is improved, and the air conditioner adjusting frequency is reduced.

The invention discloses a method for preparing whole bio-based 2-nonanol by taking rhamnose waste liquid as a raw material, which comprises the following steps: taking the rhamnose waste liquid containing 3-hydroxydecanoic acid dimer and 3-hydroxydecanoic acid generated in the rhamnose production process as the raw material, taking water as a solvent, and reacting under the action of a catalyst and an additive under illumination to obtain the whole bio-based 2-nonanol. And reacting to obtain the whole bio-based 2-nonanol. The invention aims to prepare the whole bio-based 2-nonanol from the rhamnose waste liquid, on one hand, the oil phase waste liquid in the rhamnose production process can be recycled, the treatment cost of three wastes is reduced, and the added value of the product is increased, and on the other hand, the invention provides a novel method for preparing the whole bio-based 2-nonanol. The obtained whole bio-based 2-nonanol product better meets the requirements of people on safe, green and natural products at present.

The invention provides antimicrobial composition comprising (a) a first active ingredient, wherein in the first active ingredient is selected from the group consisting of petroleum jelly, EpiCeram® emulsion, and / or glycerin, and (b) a second active ingredient selected from the group consisting of 1-octanoyl-rac-glycerol, 1-decanoyl-rac-glycerol, glycerol monolaurate (GML), rac-glycerol 1-myrstate, glycerol monocaprate, glycerol monocaprylate, glycerol monomyristate, or reutericyclin, wherein the second active ingredient is present at a concentration of 10 μg / ml to 100 mg / ml in the composition. The compositions are useful as antimicrobial agents.

This invention discloses a functional Cistanche deserticola polysaccharide, its preparation method, and its applications. Using Cistanche deserticola as raw material, the polysaccharide is first extracted by cell wall disruption using an oxygen free radical-cellulase synergistic technology. The optimal extraction parameters are optimized through single-factor experimental design, overcoming the limitations of traditional methods and achieving efficient, green, and activity-preserving extraction of Cistanche deserticola polysaccharide, providing a high-quality material basis for subsequent research. The Cistanche deserticola polysaccharide extracted by this method can slow down weight gain in obese C57BL / 6J mice induced by a high-fat diet and improve glucose and lipid metabolism disorders. It also induces the production of important biomarkers such as indole, decanoic acid, and nonanoic acid by the intestinal flora of mice. This invention obtains Cistanche deserticola polysaccharides with specific biological activities, achieving high-quality utilization of Cistanche deserticola.

The application discloses a diet metabolism regulating anti-acne composition suitable for sensitive skin and application thereof, and relates to the technical field of cosmetics. The application provides a diet metabolism regulating anti-acne composition, which comprises component A and component B; the component A comprises the following components in parts by weight: rehmannia extract 0.1-0.5 parts, radix peucedani extract 0.01-0.2 parts; the component B comprises the following components in parts by weight: 10-hydroxy decanoic acid 0.005-0.3 parts, anthocyanin 0.0005-0.008 parts, guaiacum extract 0.5-3 parts. The diet metabolism regulating anti-acne composition of the application adds rehmannia extract, radix peucedani extract, 10-hydroxy decanoic acid, anthocyanin and guaiacum extract with proper parts by weight, and the five components can synergize with each other, so that the diet metabolism regulating anti-acne composition can regulate water and oil balance, dredge pores, repair skin barrier and improve and prevent acne induced by IGF-1.

Detergent compositions can include a surfactant; cloudiness causing perfume ingredient; and octanoic acid, nonanoic acid, decanoic acid, or a combination thereof. Also included are methods of solubilizing cloudiness causing perfume ingredients.

An oral pharmaceutical formulation comprising the compound golexanolone and a vehicle comprising (A) a mixture of mono-di-and triglycerides of caprylic acid (C8) and capric acid (C10); (B) a mixture of fatty acid esters with a melting point (m.p.) of 30-45°C; and optionally (C) a triglyceride comprising caprylic acid (C8) in amount of 50-80 % and capric acid (C10) in an amount of 20-50 %; wherein the amount of golexanolone in the pharmaceutical formulation is from 16 to 43 % by weight of the total weight of the pharmaceutical formulation.

The invention discloses an anti-aging and skin-tendering composition and a preparation method thereof. The anti-aging and skin-tendering composition comprises glycerin, dipropylene glycol, trehalose, a cynomorium songaricum extract, acetyl tetrapeptide-11, palmitoyl tripeptide-38, sodium hyaluronate, caprylic / capric triglyceride, isononyl isononanoate, phytosterol, meadowfoam seed oil, an emulsifier, a thickening stabilizer, superoxide dismutase, fullerene, ergothioneine, an osmotic regulator and a pH regulator. A preservative and deionized water. An existing formula system is completely abandoned, brand-new core functional components are introduced, the design of constructing a complete channel of telomere protection, signal activation, oxidation resistance, barrier repair and energy supplement to cooperate with aging resistance is adopted, the multiple aging resisting, repairing and skin tendering effects are achieved, and the skin tendering effect is achieved. The excellent effects of resisting wrinkles, lifting, moisturizing and improving the skin quality are realized, and the product is stable and safe.

This invention provides a liquid crystal biomimetic water-locking and oxygen-permeable skincare composition, its preparation method, and its application, belonging to the field of cosmetic technology. It comprises the following components by weight percentage: 20-40% glycerin, 5-10% hydrogenated lecithin, 5-10% phytosterols, 0.1-0.5% sodium stearoyl glutamate, 0.01-0.05% sodium methylstearoyl taurate, 0.1-1% ceramide NP, 1-10% caprylic / capric triglyceride, 1-10% squalane, 0.1-1% tocopheryl acetate, 0.01-0.3% sodium DNA, 0.001-0.1% fibronectin, 0.001-0.1% soluble collagen, and the balance being water. The liquid crystal biomimetic water-locking and oxygen-permeable skincare composition provided by this invention can better form a breathable protective film on the skin surface, reduce skin moisture loss, and help repair damaged skin barriers, thereby achieving the effect of water-locking and oxygen-permeable skincare.

The application discloses a high-yield beta-lyase Pichia kluyveri strain breeding and application in beer fermentation, belonging to the field of bioengineering technology. Pichia kluyveri The Pichia kluyveri (Pichia kluyveri) B21 is preserved in the China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 34028. The strain can produce high-yield beta-lyase, the enzyme catalyzes the production of volatile mercaptans, and can impart beer fruity aroma. The Pichia kluyveri B21 produces high content of ethyl acetate, isoamyl acetate, isobutyl acetate, ethyl nonanoate, ethyl decanoate, phenethyl acetate, linalool and nerol in hop simulation culture medium, and these volatile substances can increase beer fruity aroma, floral aroma and rich beer flavor. The Pichia kluyveri B21 is expected to be added to the production of other food and beverage to enrich flavor substance components.

The application discloses a fluorine-free flame-retardant two-phase cooling liquid and a preparation method and application thereof, the cooling liquid comprises the following components in parts by mass: a base phase change agent 75-85 parts, a phase change regulator 3-15 parts, a flame-retardant stabilizer 4-8 parts and an interface modifier 2-4 parts; wherein the base phase change agent is a binary eutectic mixture formed by decanoic acid and lauric acid, the phase change regulator is a compound of isoamyl alcohol and propylene glycol, and the flame-retardant stabilizer is a compound of triphenyl phosphate and magnesium hydroxide. The cooling liquid is completely fluorine-free, and through the synergistic effect of the components, the cooling liquid has the comprehensive excellent performances of adjustable phase change temperature, high phase change latent heat, high flame-retardant grade, long-term operation stability, good material compatibility and the like. The cooling liquid is particularly suitable for an immersed liquid cooling system integrated with an intelligent control algorithm, and can be widely applied to efficient and safe heat dissipation of extreme heat load scenes such as super-high-power AI servers, energy storage batteries and high-power semiconductors.

The invention relates to the technical field of cosmetics, in particular to a thickening-free oil-control emulsification system based on interface structure stability and a preparation method of the thickening-free oil-control emulsification system. The raw materials of the emulsion comprise a water phase and an oil phase, wherein the preparation raw materials of the water phase comprise water, silica, an emulsifier and PEG / PPG-18 / 18 polydimethylsiloxane; the oil phase is prepared from the following raw materials: polydimethylsiloxane, isononyl isononanoate, isohexadecane, caprylic / capric triglyceride, a co-emulsifier and a structuring agent. The preparation process of specific raw materials, precise temperature control and gradient stirring homogenization is combined, the problems that a thickener-free emulsion is unstable, silica is easy to separate out, the skin feeling is poor and the like are solved, a stable system, efficient oil control, freshness and mildness are achieved, and the industrial production requirement is met.

The invention provides a phase-change self-repairing lightweight aggregate concrete material and a preparation method thereof.The method comprises the steps that 1, phase-change self-repairing lightweight aggregates prepared from hexadecane, dodecanol, decanoic acid, lauric acid, tetradecanoic acid and a repairing agent are mixed according to the mass ratio of 1: 1: 1: 1: 1, and composite phase-change self-repairing lightweight aggregates are obtained; secondly, the shale pottery sand is pre-wetted to reach a saturated surface dry state; 3, uniformly dry-mixing silica fume, cement, fly ash, floating beads and nano-silica in a concrete mixer to obtain a primarily mixed dry material; 4, adding composite phase change self-repairing lightweight aggregate, 50% of water, 50% of an additive and 50% of carbon fibers into the primarily mixed dry material, and uniformly stirring to obtain a medium mixed material; and 5, adding shale pottery sand, 50% of water, 50% of an additive and 50% of carbon fibers into the medium mixture, and uniformly stirring to obtain the phase-change self-repairing lightweight aggregate concrete.

A novel fat flavor enhancer for foods using plant protein as a raw material is provided. The meat flavor of foods using plant protein can be enhanced by including (E)-6-nonenal therein. Simultaneously, the meat flavor can be further enhanced by using butyric acid and / or δ-decanoic acid lactone in combination therein. This application aims to provide a meat flavor enhancer for foods containing plant protein, comprising (E)-6-nonenal, a method for producing foods using plant protein, the method including the step of including (E)-6-nonenal therein, and a method for enhancing flavor.

The invention belongs to the field of skin care materials, and provides a bionic cuticle moisturizing barrier composition and a preparation method thereof. Sodium pyrrolidone carboxylate, an amino acid compound, bimodal molecular weight sodium hyaluronate, trehalose and betaine are used as water-phase humectants, squalane, caprylic / capric triglyceride and phytosterol oleate are used as oil-phase carriers, and cholesterol, hydrogenated lecithin, octyldodecanol and ceramide NP are used as sebum-like barrier components. A layered liquid crystal and alpha gel double-network structure is constructed through a segmented phase inversion emulsification and microjet homogenization process, and a narrow distribution system with the emulsification drop diameter D50 being 0.3-5 microns and SPAN being not larger than 1.2 is achieved. The technical problems that a high-density barrier, ventilation and refreshing are difficult to obtain at the same time, rheological unbalance of a high-solid-content system is caused, and irritation and phase structure damage are caused by traditional high-energy homogenization are solved, and the application value in sensitive skin and barrier damaged skin care is achieved.