2813 results about "Oleic acid" patented technology

A synergistic composition for improving the bioaccessibility of minerals comprises lutein, a casein phosphopeptide, or a 1, 3-dioleoyl-2-palmitic acid triglyceride, preferably in combination with one or more non-digestible oligosaccharides. These compositions are useful for the prevention and / or treatment of mineral deficiency and related conditions, preferably anemia, said minerals comprising iron and / or calcium.

The invention relates to the technical field of plastic packaging preparation, in particular to an anti-aging plastic packaging material and a preparation method thereof.The anti-aging plastic packaging material is prepared from, by mass, 100-140 parts of polylactic acid, 60-80 parts of PBAT, 2-5 parts of a composite anti-aging agent, 1-2 parts of a lubricant, 2-4 parts of a flame retardant and 3-6 parts of a compatilizer; the composite anti-aging agent comprises a modified anti-aging agent obtained by compounding functionalized montmorillonite and modified silicon dioxide, the functionalized montmorillonite is carnosic acid grafted rare earth ion modified montmorillonite, and the modified silicon dioxide is epoxy methyl oleate grafted silicon dioxide. According to the anti-aging plastic packaging material provided by the invention, a plastic material system with multiple protection mechanisms is constructed through the synergistic effect of all the components, and the prepared plastic packaging material not only keeps good biodegradability, but also has excellent ultraviolet light resistance and oxidation resistance.

According to the stable organic silicon emulsion and the preparation method thereof provided by the invention, polyglycerol ricinoleate with different polymerization degrees, polydihydric alcohol oleate with different molecular weights and silicon polyether are introduced, so that the emulsifying capacity of the emulsion is improved, and the stability of the emulsion is improved; the polyglycerol ricinoleate serving as an emulsifier and a stabilizer can disperse water-soluble substances and oil-soluble substances, so that all the components are uniformly mixed, the emulsification is more sufficient, and the stability of the emulsion is improved; the emulsion enters the emulsification pump for emulsification under the condition of high rotating speed, so that the particle size of the emulsion is smaller, and the stability is better.

The invention provides antioxidant copper powder for low-temperature slurry, low-temperature sintered copper slurry and a preparation method of the low-temperature sintered copper slurry, and belongs to the technical field of slurry for heterojunction batteries. The antioxidant copper powder comprises copper powder and a coating agent coating the surface of the copper powder; wherein the coating agent comprises acrylic acid, oleic acid and paraformaldehyde. The anti-oxidation copper powder is formed by coating the surface of the copper powder with the coating agent formed by the acrylic acid, the oleic acid and the paraformaldehyde, and the low-temperature sintering copper paste formed by matching the anti-oxidation copper powder with other components can realize low-temperature sintering in air, does not need a protective atmosphere and has good conductivity.

A composition is formulated in a therapeutic amount to maintain and promote hair health and growth in a human in need thereof. The composition may comprise a shelf stable, supercritical CO2 fluid extracted, enhanced lipidosterolic extract of Serenoa repens (LSESr). The enhanced LSESr may have a ratio of free fatty acids to total fatty acids that is greater than about 83.0% and an enrichment of lauric, myristic, oleic and linoleic acids as free fatty acids to total free fatty acids that is about 81.0% or greater. An enrichment of linoleic and linolenic acids together may be greater than about 4.0%.

The present invention discloses a rubber sealing strip and a preparation method thereof, and relates to the technical field of sealing strip production, the rubber sealing strip comprises the following raw materials: base rubber, modified montmorillonite, modified carbon black, a plasticizer, a vulcanizing agent, an anti-aging agent and other assistants, the modified montmorillonite is subjected to oleic acid modification, and tetraethoxysilane is subjected to hydrolysis and condensation reaction to obtain the rubber sealing strip. A silicon dioxide coating layer can be formed on the surface of the carbon black, and the lamellar structure of the oleic acid modified montmorillonite and the silicon dioxide modified carbon black can be interwoven to form a more complex and compact physical barrier network, so that the processability of the rubber sealing strip is greatly improved.

The invention relates to the technical field of organic silicon pouring sealants, and discloses a high-thermal-conductivity low-viscosity organic silicon pouring sealant and a preparation method thereof, and the sealant comprises the following raw materials by weight: 80-90 parts of alpha, omega-dihydroxy polydiethylsiloxane; 4 to 8 parts of polyphenyl siloxane; 100 to 120 parts of spherical aluminum nitride; 3 to 7 parts of epoxy butyl oleate; 0.8 to 1.2 parts of organic bentonite; 0.5 to 0.9 part of a titanate coupling agent; 0.8 to 0.9 part of dibutyltin dibutyrate; 0.15 to 0.20 part of dibutyltin oxide; 0.08 to 0.15 part of phosphotriester; the titanate coupling agent, the tris (2, 3-dibromopropyl) phosphate and the graphite powder are introduced into the raw materials, the graphite powder is subjected to surface modification treatment in the pretreatment stage, and the modified graphite powder is more firmly combined with a sealing compound matrix, so that the sealing compound can still keep stable performance at an extreme temperature; by integrating the respective characteristics of the raw materials, the sealing compound finished product disclosed by the invention has the advantage of high heat-conducting property while having low viscosity.

The invention relates to the technical field of lubricating oil, in particular to graphene composite rolling oil and a preparation method and application thereof. The rolling oil comprises base oil, branched oleic acid modified graphene containing quaternary ammonium salt, an anti-wear reagent at extreme pressure, an antioxidant, an anti-rust agent and a defoaming agent. Wherein the quaternary ammonium salt branched oleic acid is prepared through a thiol-ene click reaction and a quaternization reaction, and the dispersity, the interface adsorption strength and the high-temperature stability of graphene in a lubricating oil system can be remarkably improved. The product provided by the invention is suitable for rolling lubrication under severe working conditions such as high temperature and high load, and has a wide industrial application prospect.

A dietary supplement composition is formulated in a therapeutic amount to maintain and promote urinary and prostate function in a human. The composition includes a shelf stable, supercritical CO2 fluid extracted, enhanced lipidosterolic extract of Serenoa repens (LSESr). The enhanced LSESr has a ratio of free fatty acids to total fatty acids that is greater than about 83.0% and an enrichment of lauric, myristic, oleic and linoleic acids as free fatty acids to total free fatty acids that is about 81.0% or greater.

The invention relates to high-wettability special-shaped polyester fiber spinning oil and a preparation method thereof. The preparation method comprises the following steps: weighing and preparing required materials according to actual use requirements; the method comprises the following steps: pre-balancing the materials under the condition of 35-45 DEG C before feeding; sequentially adding a smoothing agent, a bundling agent, an antistatic agent, a wetting and penetrating agent, an anti-coking agent and a wetting and penetrating auxiliary agent, and fully and uniformly mixing the materials in a manner of adding materials while stirring; the oiling agent disclosed by the invention is high-wettability special-shaped polyester fiber spinning oiling agent, and contains 5-10wt% of a main wetting and penetrating agent consisting of isotridecanol polyoxyethylene polyoxypropylene ether and pentaerythritol oleate, and also contains a wetting and penetrating auxiliary agent; due to the addition of the wetting and permeating auxiliary agent, the wetting and permeating performance of the oiling agent is greatly improved, the wetting and permeating performance of the oiling agent is excellent, and the oiling agent can well adapt to the production process of the special-shaped polyester fibers.

The invention relates to a full-biodegradable polyester composite material and a heat shrink film thereof. Corn starch, PBAT and PLA are used as main raw materials, glycerin, water and polyethylene glycol-6000 are used as composite plasticizers, B225 is used as an antioxidant, and solid paraffin and oleamide are used as lubricants. The preparation method comprises the following steps: adding corn starch, glycerol, water, PEG-6000, B225, solid paraffin and oleamide into a high-speed mixer, stirring to obtain plasticized corn starch, adding PBAT and PLA into the high-speed mixer, mixing with the plasticized corn starch, stirring, discharging, putting into an extruder, extruding and granulating to obtain a full-biodegradable polyester composite material, and extruding and blowing to obtain the thermal shrinkage film. The polyester composite material prepared by the invention can be biodegraded under the condition of matured compost, the biodegradation rate is 91.22%, the relative biodegradation rate is 96.55%, and products are carbon dioxide and water and meet the GB / T 41010-2021 standard requirements.

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) composite material as well as a preparation method and application thereof, and relates to the technical field of engineering plastics. The ABS composite material is prepared from the following raw materials in parts by weight: 44 to 67 parts of SAN (Styrene Acrylonitrile Butadiene Styrene) resin; 13 to 26 parts of high rubber powder; 9-32 parts of nylon resin; 0.8 to 7 parts of a surface modifier; the high rubber powder is ABS high rubber powder; the surface modifier comprises oleamide and erucyl amide, and the mass ratio of oleamide to erucyl amide is (1-5): (1-5). The ABS composite material provided by the invention has excellent softness, and also has excellent scratch resistance and stain resistance at the same time.

The invention discloses a polypropylene synthetic paper with a bright surface and a matte surface and a preparation method thereof, which relates to the technical field of synthetic paper preparation, and is a three-layer co-extruded synthetic paper, which comprises a bright surface layer, a substrate layer and a matte surface layer from top to bottom; the substrate layer comprises the following raw materials by weight: 80-85 parts of modified polypropylene, 10-15 parts of filler; the matte surface layer comprises the following raw materials by weight: 80-85 parts of modified polypropylene, 5-10 parts of polyethylene, 1-3 parts of flame retardant, 1-3 parts of antistatic agent, 0.5-1 parts of matte flour, 0.5-1 parts of oleic acid amide lubricant and 5-10 parts of filler. The synthesized modified polypropylene contains a hindered phenol structure, a thioether group and a pyridine ring, which improves the antioxidant and antibacterial properties of the synthetic paper. The synthesized flame retardant has a macromolecular network structure, including a DOPO structure, a melamine structure and a long chain of cardanol alkane, which improves the flame retardancy, waterproofness and environmental protection of the synthetic paper.

The invention relates to bionic skin barrier cream with a three-layer phospholipid structure and a preparation method of the bionic skin barrier cream, and belongs to the technical field of cosmetics, the bionic skin barrier cream comprises the following raw materials: lecithin, wax ester, triglyceride, composite ceramide, phytosterol oleate, squalane, an antioxidant, polyol, composite amino acid, pyrrolidone carboxylic acid, urea and arginine. A stabilizing agent, a treating agent and the balance of deionized water. The bionic skin barrier cream prepared by the invention has a three-layer phospholipid structure, and compared with a double-layer phospholipid structure in the market, the firmness and hydrophobicity of the double-layer structure are further improved by the added third-layer structure, so that the prepared bionic skin barrier cream has outstanding waterproof, sweat-resistant and light pollution-resistant effects; in addition, the wax ester, the triglyceride, the phytosterol oleate, the pyrrolidone carboxylic acid and the urea selected in the invention have a synergistic effect, and can generate excellent moisturizing and repairing effects and certain protection effects.

The invention relates to the technical field of packaging bags, and discloses a moisture-proof medical packaging bag material and a preparation method thereof. The moisture-proof medical packaging bag material comprises a paper layer and a plastic layer, the paper layer comprises modified kraft paper, and the plastic layer comprises the following raw materials in parts by weight: 70-100 parts of polybutylene terephthalate adipate, 30-50 parts of polypropylene carbonate, 5-7 parts of modified mica and 1.5-3 parts of cellulose acetate oleate. The moisture-proof medical packaging bag material prepared by the invention has good water resistance and mechanical properties, also has good degradability, and has a good application prospect.

The invention discloses grease special for a high-temperature bearing, a stirring and conveying device and a preparation method of the grease. The stirring and conveying device comprises a kettle body, a temperature control system, an internal circulation stirring system and an external circulation conveying system. The preparation method comprises the following steps: heating and stirring, adding the synthetic base oil, the boron nitride and the composite lithium-based soap-based thickening agent into a kettle body, and starting a temperature control system, an internal circulation stirring system and an external circulation conveying system; preserving heat; heating and stirring, adding an oiliness agent butyl oleate, a metal deactivator and an auxiliary antioxidant into the kettle body, and starting a temperature control system, an internal circulation stirring system and an external circulation conveying system; cooling is performed; and discharging. The special grease for the high-temperature bearing comprises the following components in parts by weight: 60-80 parts of synthetic base oil, 1-5 parts of boron nitride, 10-15 parts of a composite lithium-based soap-based thickening agent, 5-10 parts of an oiliness agent butyl oleate, 1-5 parts of a metal deactivator and 1-5 parts of an auxiliary antioxidant.

The invention discloses a method for inducing nematode-trapping fungus predatory organ formation, and belongs to the field of applied microorganisms. The method comprises the following specific steps: culturing activated nematode-trapping fungi until spores are generated; washing off the cultured spores, and diluting to obtain a spore suspension with the concentration of 30000-60000 spores / mL; coating the spore suspension into an agar culture medium paved with glass paper, uniformly coating the spore suspension, culturing for 28-36 hours at the temperature of 25-28 DEG C, adding a mixed solution of a predatory organ inducer and water, and continuously culturing for 36-60 hours at the temperature of 25-28 DEG C, so that the nematode-trapping fungi can generate a large number of predatory organs; the predatory organ inducer is one of oleic acid, linoleic acid or pregnenolone. It is found for the first time that a large number of predatory organs can be generated when pregnenolone, oleic acid or linoleic acid is used for inducing nematode-trapping fungi.

The invention belongs to the technical field of pyrolytic carbon black quality detection methods, and particularly relates to a method for determining the specific surface area of carbon black. The method for measuring the specific surface area of the carbon black comprises the following steps: firstly, adding an additive into the carbon black, stirring, centrifuging and filtering; the auxiliary agent is prepared by compounding polyacrylamide, dipolyglycerol dioleate and water; adding water for cleaning, centrifuging, filtering and drying; and finally calculating the specific surface area of the carbon black through a gas adsorption method. According to the method, the carbon black is pretreated, so that the influence of surface oxygen-containing functional groups, aromatic ring impurities and the like on nitrogen adsorption is effectively eliminated, and the problem that the pore structure of the carbon black is damaged by high-temperature degassing in a traditional method is solved through proper microwave irradiation, so that the measured specific surface area result is closer to a true value; methodologies such as precision and repeatability are more stable.

The invention relates to the field of paint and ink additives, and particularly discloses a water-based bio-based anti-wear agent for water-based paint and ink and a preparation method of the water-based bio-based anti-wear agent. The invention discloses a water-based bio-based anti-wear agent for water-based paint ink and a preparation method thereof. The water-based bio-based anti-wear agent comprises the following raw materials in parts by weight: 30-50 parts of palm wax, 16-24 parts of rice bran wax, 2-8 parts of oleamide and 0.2-0.6 part of a reinforcing agent. In addition, the invention has the advantage of improving the environmental friendliness of the anti-wear agent.

The invention discloses a composition for improving bone density and application thereof, and belongs to the technical field of food. According to the invention, the 1, 3-dioleic acid-2-palmitin, the osteopontin and the oligosaccharide are compounded for use, and the components interact to promote mutual absorption and utilization, so that the growth and development of bones in the growth period of infants are improved, the mineral content and the bone mineral density of the bones are increased, the health of the bones is promoted, and the composition is safe and free of side effects. And by optimizing the variety of the oligosaccharide, the compound use of the galactooligosaccharide and the 2 '-fucosyllactose is found to be capable of better improving the growth and development of bones in the growth period of the infants.

The invention discloses a preparation method of a modified lubricating oil additive containing graphene-silicon dioxide, which comprises the following steps: preparing an RGO / SiO2 nano composite material additive with SiO2 grafted on graphene by a hydrothermal method, and adding oleic acid (OA) to participate in a hydrothermal reaction to prepare an OA-RGO / SiO2 nano composite material additive with SiO2 and OA grafted on graphene; according to the preparation method, the morphology size of the lubricating oil additive is optimized, and the tribological performance and dispersion stability of the lubricating oil additive are improved; the microstructure of the composite material is observed through an SEM scanning electron microscope, it is found that a sheet layer on the surface of the composite material added with oleic acid is thinner and wrinkled, the particle size of nano particles is smaller, the nano particles are wrapped by the sheet layer more tightly, and the nano particle diameter of the OA-RGO / SiO2 additive is reduced by 18.42% compared with that of an RGO / SiO2 additive; in a contact angle test, the nano additive in which oleic acid participates in a hydrothermal reaction can further reduce the surface energy of the nano additive, and the contact angle is greatly reduced.

The invention discloses a colored magnetic particle preparation method, a colored magnetic particle, a magnetic microcapsule and a magnetic film, and relates to the technical field of magnetic particle preparation. According to the preparation method, ferric salt and an alkaline substance are adopted, a ferroferric oxide precursor precipitation solution is generated through a coprecipitation method, surface modification is conducted through oleic acid, the dispersity and stability of particles in an organic system are enhanced, a solvent is adopted for washing and drying, and the purity and chemical stability of the particles are further improved; subsequently, mixing the modified nano ferroferric oxide, a dye, a high polymer and a functional additive to obtain the colored magnetic particle. The method has the advantages that the preparation process is simple, and the prepared colored magnetic particles are excellent in dispersity, stability and functionality.

The invention discloses a high-efficiency fluorite collecting agent and a preparation method thereof. The high-efficiency fluorite collecting agent comprises the following raw materials in parts by weight: 20-45 parts of oleic acid with different iodine values, 5-10 parts of an amidate surfactant, 3-5 parts of inorganic alkali or organic alkali and 10-25 parts of a low-carbon-chain alcohol compound. The amidate surfactant is a nonionic surfactant, the structural general formula of the amidate surfactant is R1-C (O) NH (CH2) nCH2-R2, in the formula, R1 is a hydrocarbon chain containing 12-18 carbon atoms, n is equal to 5-6, and in the formula, R2 is a functional group with a hydrogen bond effect. According to the fluorite collecting agent, the efficient recovery rate of fluorite is guaranteed, meanwhile, the grade of fluorite concentrate is improved to a certain degree, the using amount of the collecting agent is reduced, and the problem that the fatty acid fluorite collecting agent is poor in fluorite concentration efficiency is solved.

The invention discloses a compound traditional Chinese medicine patch for conditioning hyperplasia of mammary glands and a preparation method thereof, and relates to the technical field of traditional Chinese medicine preparations. The compound traditional Chinese medicine patch for conditioning hyperplasia of mammary glands is prepared from an iron-based metal organic framework composite drug carrying system, dopamine hydrochloride, a blank gel matrix, ethyl oleate, menthol, a solubilizer, a wetting agent and water, the iron-based metal organic framework composite drug loading system is composed of traditional Chinese medicine dihydric alcohol plastid, iron-based metal organic framework nanoparticles and cinnamomum camphora essential oil. The traditional Chinese medicine dihydric alcohol plastid and the cinnamomum camphora essential oil are loaded in the iron-based metal organic framework nano particles, so that the transdermal absorption of the medicine is improved, the pH response release property is realized, the dosage of active ingredients permeating into a focus part and the lasting action time are effectively increased, and then a coating layer is formed by polydopamine, so that the anti-inflammatory effect is improved. The dispersibility and compatibility of the drug loading system in vivo are further enhanced, the drug effect can be fully exerted, and the treatment effect on the hyperplasia of mammary glands is remarkably improved.

The invention discloses a novel application of a composition of oleic acid, linoleic acid and Brusol or gemcitabine. According to the invention, oleic acid and linoleic acid are combined with different anti-tumor drugs, a pharmaceutical composition with a synergistic effect is screened out, and test results show that when oleic acid and linoleic acid in a specific proportion are combined with Brusol or gemcitabine, unexpected synergistic anti-pancreatic cancer activity can be obtained. The composition is expected to be developed into a new antitumor drug, can reduce the dosage of the antitumor drug, reduce drug resistance, reduce adverse reactions and improve the life quality of patients, and has important application prospects.

The invention relates to the field of coal dressing flotation reagents, and discloses a green coal dressing flotation reagent and a preparation method and application thereof. The invention provides a green coal dressing flotation reagent which is composed of 70-80 parts of methyl oleate, 15-30 parts of methyl palmitate and 3-6 parts of an emulsifying agent (sorbitan oleate Span80). The preparation method comprises the following steps: firstly, weighing raw materials, magnetically stirring methyl oleate and methyl palmitate for 30 minutes, then mixing with sorbitan oleate (Span80), and heating and stirring in a water bath at 55 DEG C for 2 hours to obtain the medicament. In the application of coal slime flotation, the reagent solution is added into ore pulp and matched with a foaming agent, and flotation clean coal is formed by utilizing bubbles to carry coal slime particles. A plurality of groups of experiments show that the agent is excellent in performance, the clean coal recovery rate can reach 79.66%, the ash content is as low as 10.91%, the agent dosage is remarkably reduced compared with a traditional collecting agent, meanwhile, raw materials are green and environmentally friendly, the coal dressing industry is effectively promoted to develop towards the efficient and green direction, and the agent has extremely high application value.

The invention discloses soothing and repairing essence lotion containing rhizoma corydalis root extract and a preparation method of the soothing and repairing essence lotion. The essence lotion is prepared from a component A, a component B, a component C and a component D. The component A is prepared from, by weight, 1.01%-3.04% of humectants, 0.23%-0.48% of thickening agents, 0.05%-0.20% of beta-glucan and 70.00%-77.00% of deionized water. The component B is prepared from the following raw materials in percentage by weight: 0.50 to 1.50 percent of butyrospermum parkii butter, 1.00 to 3.00 percent of tridecyl trimellitate, 0.15 to 0.36 percent of polydimethylsiloxane, 0.60 to 0.90 percent of glycerol tri (ethylhexoic acid) ester, 0.43 to 0.58 percent of simmondsia chinensis seed oil and 0.02 to 0.06 percent of phytosterol oleate; the component C is prepared from the following components in percentage by weight: 1.10 to 2.50 percent of an emulsifying agent, 0.40 to 0.60 percent of an antioxidant, 3.00 to 5.00 percent of butanediol, 0.15 to 0.45 percent of fibronectin, 0.30 to 0.70 percent of 1, 2-hexanediol and 10 to 13 percent of deionized water; and the component D comprises the following components in percentage by weight: 0.03%-0.10% of a neutralizing agent and 1.50%-3.50% of an anti-allergic agent. According to the invention, the rhizoma corydalis root extract is used as a main active component and is prepared into the essence lotion with the effects of relieving skin and repairing sensitive skin together with other auxiliary materials.

The invention belongs to the technical field of biological products, and relates to an oil adjuvant for poultry and a preparation method thereof. The oil adjuvant for poultry comprises 5%-10% of Span, 1%-5% of Tween, 0.3%-2.0% of an AEO series surfactant, 0.1%-1.2% of a polyglycerol oleate series surfactant and the balance of white oil for injection. The poultry oil adjuvant avoids the problem of different product qualities caused by different sources of white oil, and prolongs the validity period of vaccines at the same time.

The invention relates to a laundry gel bead with excellent stability. The laundry gel bead with excellent stability comprises the following components: a surfactant, a modified surfactant, a solvent, a neutralizer, a chelating agent and an auxiliary agent, wherein the modified surfactant is obtained by reacting acrylic acid modified fatty alcohol-polyoxyethylene ether, sodium p-styrenesulfonate and methyl oleate ethoxylate. As the modified surfactant contains a large amount of ethyoxyl and other groups, the modified surfactant can act together with other ethyoxyl-containing surfactants to balance the irritation caused by a large amount of sulfonic acid, saturated fatty acid and other components in the laundry gel bead formula, thereby enhancing the mildness of the laundry gel beads, lowering the irritation of the washed clothes residues, and enhancing the laundry gel bead mildness. The irritation to skin and clothing fibers is effectively reduced; in addition, the modified surface active agent, the anionic surface active agent and the nonionic surface active agent act together, so that the dirt-removing capability of the laundry condensate beads is improved together.

A germ-repellent plastic contains an anti-biofouling compound, and a basic plastic. The anti-biofouling compound is optionally selected from the group of a polyol, a polyether polyol, a polyol derivative, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of a polyether, a poly (ethylene glycol) ether, a polysorbate, and a combination thereof; or the anti-biofouling compound is selected from the group consisting of poly (ethylene glycol) sorbitan monolaurate, poly (ethylene glycol) sorbitan monooleate, poly (ethylene glycol) sorbitol hexaoleate, ceteareth, and a combination thereof. The basic plastic is not a blend of a low-density polyethylene polymer and an ethyl vinyl acetate copolymer, a blend of a polypropylene polymer and an ethyl vinyl acetate copolymer, a blend of polyolefin elastomer polymers and a polyvinyl chloride polymer. A method for manufacturing such a germ-repellent plastic and a germ-repellent plastic item are also described.