68 results about "Carnuba wax" patented technology

The invention provides a preparation method of a trazodone hydrochloride sustained release tablet, and belongs to the technical field of medicine processing. The preparation method comprises the following steps: (1) mixing a trazodone hydrochloride raw material medicine, cane sugar, povidone and carnauba wax to obtain a mixture; (2) preparing the mixture into molten particles by adopting a hot-melt extrusion technology; and (3) cooling and sieving the molten particles, adding magnesium stearate, uniformly mixing, and tabletting to obtain the trazodone hydrochloride sustained-release tablet. The trazodone hydrochloride sustained release tablet comprises the following components in percentage by mass: 45%-55% of trazodone hydrochloride raw material medicine, 15%-35% of cane sugar, 5%-15% of povidone, 5%-15% of carnauba wax and 1%-5% of magnesium stearate. According to the invention, a hot melt extrusion technology is adopted, so that the raw materials can be highly dispersed within a short heating time, the loss of the raw materials is avoided, the production cost is reduced, and commercialized production is facilitated.

The invention discloses modified precision casting wax as well as a preparation method and application thereof. The modified precision casting wax is prepared from the following raw materials and components in parts by mass: 17 to 25 parts of microcrystalline wax, 10 to 15 parts of paraffin, 5 to 10 parts of stearic acid, 2 to 4 parts of ethylene-vinyl acetate, 2 to 6 parts of lignite wax, 2 to 5 parts of Piccotex75 resin, 10 to 15 parts of terpene resin, 5 to 15 parts of D-mannitol, 5 to 15 parts of adipic acid, 8 to 15 parts of rosin glyceride, 1 to 3 parts of carnauba wax, 2 to 5 parts of candelilla wax, 1 to 3 parts of hydroxyethyl cellulose and 0 to 3 parts of starch. According to the modified precision casting wax disclosed by the invention, the performance of a wax mold is improved by compounding functional aids, so that the modified precision casting wax has high bending hardness and surface hardness, lower shrinkage rate and good dimensional stability, and can be widely applied to the field of high-precision casting.

The invention relates to the field of coatings, and discloses a method for constructing a fluoride-free wear-resistant transparent super-hydrophobic coating, which comprises the following steps: (1) carrying out surface roughening treatment on wood; (2) wood is immersed in the oil-phase impregnation liquid at 75-85 DEG C, and wood with an uncured hydrophobic layer on the surface is obtained after the wood is taken out; the oil phase impregnation liquid comprises carnauba wax, tung oil and ethyl acetate; (3) the wood is immersed in hydrophobic nano-silica dispersion liquid with the temperature 50-60 DEG C lower than that of the oil-phase impregnation liquid, an uncured hydrophobic layer is cooled and cured into a cured hydrophobic layer with a micron-sized rough surface, and hydrophobic nano-silica is attached to the surface of the cured hydrophobic layer; and taking out, ventilating and drying, enabling the tung oil to permeate into the wood and generate crosslinking, and finally constructing and forming the fluoride-free wear-resistant transparent super-hydrophobic coating on the surface of the wood. According to the method, the super-hydrophobic coating with the micro-nano structure can be constructed on the surface of the wood, and the super-hydrophobic coating has high wear resistance and high transparency.

The present patent application relates to a solid shampoo composition having the particularity of having a malleable pasty texture and comprising water, xanthan gum, at least one acylglutamate, at least one alkylpolyglucoside, candelilla wax and carnauba wax, and calcium carbonate and hydroxyapatite. The invention also relates to a process for obtaining this solid shampoo, a process for washing hair with the shampoo according to the invention, and the use of said composition as a shampoo.

The application provides a wax emulsion for cotton fiber finishing and a preparation method thereof, and relates to the technical field of cotton fiber finishing. The wax emulsion for cotton fiber finishing comprises 36-38 parts of paraffin wax and Brazil palm wax, 4-6 parts of an emulsifier, 0.01-0.2 parts of an acid and 56-60 parts of water. The mass ratio of the paraffin wax and the Brazil palm wax is (8-12):1. The mass ratio of the total amount of the paraffin wax and the Brazil palm wax to the emulsifier is (6-9):1. The emulsifier comprises non-ionic emulsifiers and cationic emulsifiers in a mass ratio of (1-5):1. The non-ionic emulsifiers are fatty alcohol polyoxyethylene ethers. The wax emulsion has a small amount of emulsifier, a particle size of less than 100 nm, and does not separate or precipitate at room temperature. The wax emulsion can be effectively combined with cotton fibers, can be used for yarn softening finishing, can improve the wear resistance and softness of cotton fibers, and can ensure a high strength retention of cotton fibers.

To provide a tablet composition excellent in slow solubility and reduced in adhesion to an object to be washed.SOLUTION: The composition comprises (A) at least one selected from the group consisting of calcium sulfate, calcium carbonate, calcium hydrogenphosphate and aluminum silicate, and (B) at least two selected from the group consisting of (B1) ingredient and (B2) ingredient, wherein the (B1) ingredient is at least one selected from the group consisting of carnauba wax, rice bran wax, hydrogenated oil, sucrose fatty ester, sunflower wax, candelilla wax and rose wax, and the (B2) ingredient is at least one selected from the group consisting of magnesium stearate, calcium stearate, sodium stearyl fumarate and sodium lauryl sulfate.SELECTED DRAWING: Figure 1

To provide a non-fire-spreading grease composition with excellent non-flammability and water resistance, and also to provide a bearing or gear containing the non-fire-spreading grease composition.SOLUTION: The non-fire-spreading grease composition according to the present invention comprises the following materials (a) to (d): (a) as a thickening agent, a diurea compound represented by the following formula (1): R1-NHCONH-R2-NHCONH-R3 (1) (wherein R2 represents an aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 and R3 may be the same or different and represent an aliphatic hydrocarbon group having 8 to 20 carbon atoms or an aromatic hydrocarbon group having 6 to 15 carbon atoms, the proportion of aliphatic hydrocarbon groups in the total of R1 and R3 is 50 to 100 mol%); (b) a base oil having a kinematic viscosity of 300 mm2 / s or more at 40°C; (c) at least one selected from the group consisting of rice wax, carnauba wax, and montanic acid derivatives; and (d) at least one selected from the group consisting of organic sulfonic acid metal salts, sodium sebacate, and glycerin.SELECTED DRAWING: None

According to various embodiments, a glove is provided with improved hydration characteristics and low dermatitis potential. The glove comprises a substrate and a polymer system that coats a surface of the substrate. The polymer system comprises: a polyol, a botanical extract, an emollient agent, a silicone copolymer dispersion, a lubricant, and a surfactant. The substrate may be free of sulphur and accelerators. An example formulation of the polymer system may comprise glycerol, Aloe vera, a carnauba wax dispersion, dimethicone, a polyalkylene glycol (PAG), and polyoxyethylene (20) sorbitan monooleate. The polymer system may be applied to the\surface of the substrate by dipping the surface into a water-based dispersion of the polymer system, or spraying the water-based dispersion onto the interior surface. The polymer system may be blended into water at a total solids content of 0.8% to 1.2% w / w to form the water-based dispersion.

The invention discloses chewing gum for promoting rapid recovery of cognitive fatigue as well as a preparation method and application of the chewing gum. Comprising the following raw material components: linalyl acetate, gum base, D-mannitol, erythritol, purified water, caprylic / capric triglyceride, soya bean lecithin, Arabic gum, carnauba wax and potassium sorbate. The chewing gum is used after work fatigue or in a cognitive fatigue state at a high mental load post, and the specific process is as follows: a user puts one linalyl acetate chewing gum into the mouth in a room at the temperature of 20-30 DEG C, slowly chews the linalyl acetate chewing gum at the rhythm of 20-40 times per minute, discards the linalyl acetate chewing gum after chewing the linalyl acetate chewing gum for 4-6 minutes, and closes the eyes to have a rest for 15-20 minutes. The chewing gum disclosed by the invention can effectively promote rapid recovery of cognitive fatigue of high-mental-load working people and promote rapid recovery of fatigue of important post personnel such as unmanned aerial vehicle operation and radar monitoring, and the error rate and the accident rate are reduced.

The invention relates to a double-coating coated controlled-release fertilizer and a preparation method thereof. A double-coating enveloping mode is adopted, a controlled-release fertilizer technology which is low in cost, environmentally friendly, high in release precision and capable of meeting the requirements of various crops is provided, the fertilizer utilization rate can be increased, the agricultural production cost can be reduced, the ecological environment load can be reduced, and wide application prospects are achieved; the selected water-based polyacrylate has the characteristics of being relatively low in price, relatively good in film-forming property, relatively proper in viscosity, relatively easy to degrade and the like; the selected carnauba wax has good adhesiveness, frictional property and hardness, also has the characteristics of strong hydrophobicity and no toxicity, and is very suitable for being used as an outer coating of the water-based polymer coated controlled-release fertilizer.

The present invention relates to a composite foam hydrogel organic sewage purifier and a preparation method thereof. The technical solution is as follows: urea and carbon black are added to deionized water, stirred, dried, heated under a nitrogen atmosphere, washed, and filtered to obtain a carbon black composite g-C3N4 photocatalytic agent. Polyvinyl alcohol is added to deionized water, and then agar powder and carbon black composite g-C3N4 are added and stirred; then sodium dodecyl sulfate, dodecanol, and gum arabic are added and stirred continuously to obtain a composite foam hydrogel slurry, which is cast and freeze-dried to obtain a composite foam hydrogel. Carnauba wax and beeswax are added to anhydrous ethanol, stirred, and ultrasonically treated to obtain a hydrophobic mixed wax suspension. The hydrophobic mixed wax suspension is sprayed on a large plane on the surface of the composite foam, and freeze-dried to obtain a composite foam hydrogel organic sewage purifier. The process of the present invention is simple and low in cost; the product thus prepared not only has a long service life, but also has high water evaporation efficiency and organic matter degradation efficiency.

The present application relates to the technical field of pharmaceutical preparations, and specifically discloses a kind of azilsartan tablet and its preparation method. A kind of azilsartan tablet, the raw material of the tablet includes the following components in parts by weight: 35-45 parts of azilsartan, 72-76 parts of silicified microcrystalline cellulose, 10-12 parts of low-substituted hydroxypropyl cellulose, 3-7 parts of talc, 0.39-1.04 parts of carnauba wax; The particle size D90 of the azilsartan is 50-80um. In this application, azilsartan, silicified microcrystalline cellulose, low-substituted hydroxypropyl cellulose, and talc having a particle size D90 of 50-80um are first used to press into tablets, and then carnauba wax is used to form a coating on the tablet surface, which not only improves the dissolution rate and dissolution uniformity of the tablet, but also greatly improves the stability of the tablet.

The present invention discloses a single-stage gasholder rubber sealing film production process, which belongs to the technical field of rubber sealing films and comprises the following steps: first, adding tartaric acid modified graphene oxide and γ-mercaptopropyltrimethoxysilane to a polytetrafluoroethylene sealed can, loading the mixture into a reactor, and maintaining the mixture at 180°C for 6 hours to obtain modified graphene oxide; second, plasticizing acrylonitrile-butadiene rubber and fluororubber respectively, then uniformly mixing the two plasticized rubbers, sequentially adding modified silica, activated magnesium oxide, calcium hydroxide, modified graphene oxide, and carnauba wax, and finally adding a vulcanizing agent and an accelerator, thinning the mixture 10 times, and then forming a triangular package and removing the film; one-stage vulcanization is carried out on a common hydraulic flat vulcanizing press to obtain a single-stage gasholder rubber sealing film. In the present invention, the use of rubber as a matrix rubber material can reduce costs, combine the use of modified silica and modified graphene, and also do not reduce product performance.

The present disclosure provides a coating composition for a flexible substrate comprising a binder resin, a lubricating component in the form of lubricating filler particles of carnauba wax, hydrocarbon wax, and / or polyethylene, and a solvent. The coating composition is wear resistant and substantially free of fluoropolymers.

The invention belongs to the technical field of coating compositions, and relates to a thermal insulation clothing coating and a preparation method thereof. The invention provides a heat-insulating clothing coating, the heat-insulating clothing coating is formed by coating, drying and cooling a heat-insulating composite emulsion, the heat-insulating composite emulsion is formed by mixing and emulsifying a water phase and an oil phase, and the water phase is composed of a pretreated hollow silicon dioxide-aerogel composite dispersion liquid, propylene glycol and 1, 3-butanediol; the oil phase is prepared from a polydimethylsiloxane-polyether copolymer, isopropyl isostearate, caprylic / capric triglyceride, hydrogenated polyisobutene and carnauba wax. The thermal insulation clothing coating provided by the invention realizes synchronous improvement of thermal insulation performance and stability.

The present invention provides a stone block coating adhesive and a preparation method thereof. The stone block coating adhesive comprises a component A and a component B. Component A comprises a vinyl ester resin, a hardener, and a wetting and penetrating agent; component B comprises an initiator; and the hardener comprises carnauba wax, polyethylene wax, and montan wax in a mass ratio of 10-40:20-40:20-50, with the mass of the hardener accounting for 1-8% of the mass of the vinyl ester resin. By selecting the vinyl ester resin and adding a specific hardener, the present invention can avoid black lines on the cut surface of the stone during construction, and can also impart greater hardness and mechanical strength to the adhesive film, ensuring the brightness of the stone and making the stone block easier to cut and shape.

The invention relates to the technical field of rubber, in particular to a dense non-precipitation mixing type water-swelling rubber material and a preparation method thereof. The water-swellable rubber material is prepared from the following raw materials in parts by weight: 50 to 70 parts of ethylene propylene diene monomer, 40 to 50 parts of chloroprene rubber, 50 to 80 parts of water-swellable resin, 1.5 to 2.5 parts of carnauba wax, 1 to 3 parts of sulfur, 10 to 35 parts of spray carbon black, 3 to 5 parts of anti-aging additive, 15 to 45 parts of filler, 10 to 15 parts of softening agent and 1 to 2 parts of accelerant. The prepared rubber material has a good water swelling effect, the plugging effect and the plugging strength of the rubber material are effectively guaranteed, meanwhile, the rubber material is free of precipitates when soaked in water, and the service life of the rubber material is relatively long; furthermore, the anti-aging performance is good, and the service life is prolonged to a certain extent.

The invention belongs to the technical field of functional sponge materials, and particularly discloses an antibacterial hydrophobic sponge, which is prepared from 40 to 60 parts of isophorone diisocyanate, 100 to 120 parts of polyethylene glycol, 130 to 150 parts of chitosan, 60 to 70 parts of modified xylan nanoparticles, 34 to 36 parts of carnauba wax, 8 to 12 parts of cross-linking agent, 15 to 17 parts of chain extender, 20 to 30 parts of etherifying agent and 26 to 34 parts of catalyst. The preparation method comprises the following steps: constructing a polyurethane-chitosan sponge matrix which is stable in property and has a preliminary antibacterial property through isophorone diisocyanate, polyethylene glycol and high-molecular-weight quaternized chitosan; then adding a modified xylan nanoparticle material with both antibacterial property and hydrophobic property into the system for compounding, so that the polyurethane-chitosan sponge has deep antibacterial property; and finally, carrying out surface hydrophobic treatment by combining with carnauba wax, so as to construct the composite sponge material with long-acting stable antibacterial performance and a hydrophobic skeleton structure.

The present invention provides a sunscreen composition comprising: (i) avobenzone; (ii) homosalate; (iii) octocrylene; (iv) octisalate; (v) hydrogenated castor oil; and (vi) carnauba wax; wherein the composition is a liquid, oil-in-water emulsion and provides an SPF of at least 70.

A solid rod-like cosmetic comprising at least a low-polarity fraction carnauba wax, an oil component, a film-forming agent, a high-viscosity semi-solid lubricant, and a pigment.

The invention relates to the technical field of automobile decoration, in particular to a bonding color-coated sheet for an automobile and a preparation method of the bonding color-coated sheet. The adhesive color-coated sheet for the automobile comprises a steel plate base material and a polyester coating coated on the surface of the steel plate base material, the polyester coating is formed by spraying a polyester coating on the surface of the steel plate base material and curing; the polyester coating is prepared from the following raw materials in parts by mass: 60 to 80 parts of waterborne polyester resin, 5 to 15 parts of amino resin, 10 to 30 parts of epoxy resin, 1 to 2 parts of liquid crystal emulsifier, 1 to 5 parts of organic amine, 5 to 15 parts of filler, 1 to 3 parts of pigment, 1 to 5 parts of hammer tone agent, 1 to 5 parts of carnauba wax, 0.1 to 1 part of catalyst and 1 to 2 parts of curing accelerator. The energy consumption is obviously reduced, the manufacturing cost is reduced, meanwhile, the construction process is simple, the product performance is excellent, and the economic benefit is good. The paint has the advantages of high decorativeness, high fullness and low VOC content, saves energy, reduces environmental pollution, and is suitable for large-scale popularization and application.

The application discloses a water-based anticorrosive wax which can be sprayed on a high-temperature electrophoresis frame, and a preparation method and application thereof. The water-based anticorrosive wax comprises 30-40 parts of high-melting-point biomass hard wax, 5-8 parts of slow-release modified lecithin microsphere emulsifier, 0.5-1 part of monoethanolamine and 35-50 parts of deionized water, and is prepared according to a weight ratio. Microorganisms are used as a modification medium to graft organic acid onto a molecular chain of the Brazil palm wax, so that the hardness, water resistance, melting point and anticorrosion performance of the wax are improved, and the wax is used as a film-forming material. The application specially provides amino-functionalized graphene oxide with a large-pore structure to prepare the anticorrosive wax by coating the emulsifier microspheres. The structure has a slow-release function and can maintain the viscosity of an emulsification system stable. Due to the porous structure of the modified graphene, a path is provided for water vapor volatilization of the wax liquid under high-temperature conditions, so that film-forming defects caused by water vapor blocking are avoided, and the quality requirement of a host factory on the anticorrosion of the frame is met.

The invention provides a fat-soluble vitamin microcapsule based on a hot melt extrusion technology as well as a preparation method and application of the fat-soluble vitamin microcapsule. The microcapsule comprises the following raw materials in parts by weight: 10-30 parts of a core material and 70-90 parts of a wall material, the core material is fat-soluble vitamin; the wall material is prepared from the following components in parts by weight: 10 to 30 parts of whey protein isolate, 5 to 20 parts of zein, 5 to 20 parts of shellac, 30 to 50 parts of hydroxypropyl methylcellulose and 5 to 15 parts of carnauba wax. According to the invention, the carnauba wax is introduced as a plasticizing-hydrophobic synergist, so that the problems that the high-protein / polymer wall material is poor in fluidity and easy to break during hot-melt extrusion processing and the final product is easy to absorb moisture are solved. The obtained microcapsule has extremely high packaging efficiency, excellent oxidation stability, excellent anti-caking property, good water dispersibility and controllable release characteristic, and is suitable for products with extremely high stability requirements.

This invention discloses an emulsion gel based on a compound of carnauba wax and monoglycerides, and its application in bread making as a substitute for margarine. The emulsion gel uses high-oleic sunflower oil as the base oil, with carnauba wax and monoglycerides compounded in a mass ratio of 5:5-8:2 as the gelling agent. Soy lecithin is added, and the mixture is pretreated by microwave, dissolved by heating, dispersed by ultrasound, and refrigerated to obtain the oil gel. Deionized water is then added, followed by homogenization, ultrasound, and refrigeration. The resulting emulsion gel completely replaces margarine and is used with high-gluten flour, water, sugar, and other ingredients to make bread through kneading, proofing, and baking. The synergistic effect of carnauba wax and monoglycerides through complementary HLB values, synergistic crystal structures, and intermolecular interactions solves the problems of excessive hardness and poor stability associated with single gelling agents. The bread prepared by this invention has zero trans fatty acids and low saturated fatty acids, a soft and fluffy texture, and sensory quality comparable to commercially available margarine bread. The process is simple and has broad application prospects.

COSMETIC SUNSCREEN COMPOSITIONS AND USE OF A COSMETIC SUNSCREEN COMPOSITION The present invention relates to cosmetic sunscreen compositions with a light, fresh, and watery feel, a blending effect, and an improved SPF, comprising (a) an oil compound system; (b) Copernicia cerifera (carnauba) wax; (c) a filler system; (d) a polymer and surfactant system; and (e) at least one organic UV filter. The present invention also relates to the use of the cosmetic sunscreen composition. Figure for abstract: none

A coating composition for coating rigid substrates, including a binder resin, a lubricating component including a wax, and a solvent. The coating composition may further include a silicone resin. The binder resin is at least one of a polyamide imide, epoxy, silicone polyester, and polyurethane resin. The wax is at least one of a carnauba wax, a polyethylene wax, polypropylene wax, polyamide wax, and a Fischer-Tropsch wax. The coating composition is wear resistant and is substantially free of per-fluoroalkyl substances (PFAS) and N-methyl pyrrolidone (NMP).

The present invention relates to the field of wax emulsions, and in particular to a nano-microencapsulated environmentally friendly water- and oil-repellent wax emulsion and a preparation method thereof. The nano-microencapsulated environmentally friendly water- and oil-repellent wax emulsion comprises: carnauba wax, KH570 silane coupling agent, polyoxyethylene octadecyl ether, an emulsifier, an initiator, methyl methacrylate monomer, and deionized water. The preparation method comprises hydrophobically modifying the carnauba wax with a KH570 silane coupling agent, mixing the carnauba wax with polyoxyethylene octadecyl ether and the emulsifier to obtain a composite wax emulsion, and then adding methyl methacrylate monomer dropwise for reaction to obtain a nano-microencapsulated environmentally friendly water- and oil-repellent wax emulsion. The nano-microencapsulated environmentally friendly water- and oil-repellent wax emulsion has the advantages of being water- and oil-repellent, environmentally friendly, highly stable, and food-contactable.

The invention relates to a method for preparing a biomaterial for the treatment of skin cancer, based on the exoskeleton of the scorpion Tetratrichobothrius flavicaudis. The method consists of several steps: 1) extracting the exoskeleton from a dead scorpion, 2) roasting at 250°C for 30 minutes to remove moisture and enhance the stability of the material, 3) grinding the roasted exoskeleton to obtain a fine powder, 4) sieving the powder to 0.5 mm to homogenize the texture. Then, 5) the powder is mixed with vegetable oil (olive or argan) in a ratio of (1:5 w / w), 6) carnauba wax is added to obtain a solid consistency, 7) the mixture is heated to 45°C and then cooled to form a solid paste. This biomaterial has biocompatible, anti-inflammatory and healing properties, suitable for the treatment of skin cancers.

The present invention provides a non-fire-spreading grease composition which contains: (a) as a thickening agent, a diurea compound that is represented by formula (1) R1-NHCONH-R2-NHCONH-R3 (wherein R2 represents an aromatic hydrocarbon group having 6 to 15 carbon atoms, R1 and R3 may be the same or different and each represent an aliphatic hydrocarbon group having 8 to 20 carbon atoms or an aromatic hydrocarbon group having 6 to 15 carbon atoms, and the proportion of the aliphatic hydrocarbon group in the total of R1 and R3 is 50-100 mol%); (b) a base oil that has a kinematic viscosity at 40°C of 300 mm2 / s or more; (c) at least one substance that is selected from the group consisting of rice wax, carnauba wax, and montanic acid derivatives; and (c) at least one substance that is selected from the group consisting of organic sulfonic acid metal salts, sodium sebacate, and glycerol.