416 results about "Lauric acid" patented technology

The invention relates to the field of automobile part manufacturing, and particularly discloses a barrier layer direct bonding type TPE material for an automobile air conditioner pipeline system and a preparation method and application of the barrier layer direct bonding type TPE material. The TPE material is prepared from the following raw materials: a thermoplastic elastomer TPE, PA, EVOH, polyether block amide, a glycidyl methacrylate grafted olefin copolymer elastomer, a toughening compatilizer, composite modified montmorillonite, a cold-resistant additive, an antioxidant and paraffin oil. Wherein the composite silane coupling agent, lauric acid and N, N '-carbonyldiimidazole are adopted to modify the nano-montmorillonite, so that the dispersity of nano-montmorillonite particles is improved, the formation of aggregates is effectively reduced, and the mechanical property of the material is enhanced; the polyether block amide, the glycidyl methacrylate grafted olefin copolymer elastomer and the toughening compatilizer have a synergistic effect, so that good adhesiveness of the TPE material and the barrier layer is realized.

The invention discloses a halogen-free low-volatility anti-icing photo-thermal super-hydrophobic coating for the surface of a wind power blade and a preparation method thereof. The coating is prepared by compounding functionalized modified multi-walled carbon nanotubes, functionalized modified nano titanium nitride, polydimethylsiloxane / nano silicon dioxide modified epoxy resin and a curing agent. Wherein the multi-walled carbon nanotubes are subjected to amidation and dual functionalization of lauric acid and 3-aminopropyl triethoxy silane; the surface of the nano titanium nitride is uniformly modified through bionic polydopamine coating; hydroxyl-terminated polydimethylsiloxane and nano SiO are doped into an epoxy resin base material, so that the system is endowed with low surface energy and high weather-resistant binding force. After curing and film forming at room temperature for 24 hours or at 80 DEG C for 2 hours, the water contact angle is greater than or equal to 155 DEG C, the ice adhesion strength is less than or equal to 10 kPa, the photo-thermal temperature is greater than or equal to 40 DEG C, and the performance is not attenuated after 50 times of heating and cooling tests; and after 150-hour damp heat, 500-hour ultraviolet radiation, acid corrosion and abrasive paper friction, the coating does not blister or fall off. The coating disclosed by the invention is green and environment-friendly, low in curing energy consumption, high in photo-thermal temperature rise and strong in super-hydrophobic durability, and can be used for remarkably improving the long-term anti-icing capability of wind power blades in cold and high-humidity regions.

The invention belongs to the technical field of acrylic plates, and particularly relates to a continuous casting high-hardness acrylic plate and a preparation method thereof.The preparation method comprises the steps that siloxane modified methacrylic acid, methyl methacrylate and n-butyl methacrylate are mixed, an azo initiator is added into the mixture, and then stirring and mixing are conducted to obtain pre-polymerized slurry; the preparation method comprises the following steps: mixing hydroxyl-terminated ether polysiloxane, isophorone diisocyanate and a catalyst dibutyltin dilaurate, reacting to obtain a macromolecular prepolymer, and then adding an end-capping reagent and a photoinitiator into the macromolecular prepolymer to obtain coating slurry; and injecting the pre-polymerized slurry between two annular steel belts which operate synchronously, coating the two annular steel belts with the coating slurry, and carrying out ultraviolet curing to obtain the high-hardness acrylic plate. Through ultraviolet curing, a high-hardness layer is formed outside the acrylic plate, polyurethane is modified by hydroxyl-terminated ether polysiloxane, the rigidity of a soft chain segment is improved by a polysiloxane chain segment, and the hardness of polyurethane is improved.

The invention discloses a preparation method of gelatinized euphausia superba oil microcapsules, which comprises the following steps: selecting glycerol laurate as an emulsifier, mixing and stirring the glycerol laurate and euphausia superba oil, standing to obtain oleogel, mixing the oleogel as a core material with a wall material consisting of a mixture of concentrated milk protein, whey powder and corn syrup to prepare an emulsion, and preparing the gelatinized euphausia superba oil microcapsules. And preparing the gelatinized euphausia superba oil microcapsule by adopting a spray drying method. The gelatinized microcapsule prepared by the method disclosed by the invention is relatively uniform in distribution, relatively smooth in capsule body surface and relatively complete in capsule wall, and the euphausia superba oil can be well embedded by a wall material to present a one-capsule multi-core structure. The gelated euphausia superba oil microcapsule has good compactness, can effectively mask the bad smell of the euphausia superba oil, and improves the sensory performance of the euphausia superba oil.

The preparation process comprises the following steps: mixing a modified monomer, acrylic acid, butyl acrylate, hydroxyethyl acrylate, azodiisobutyronitrile and acetone to react to prepare a functional prepolymer, mixing and stirring the functional prepolymer and the acetone, adding dibutyltin dilaurate and a modifier, reacting, then adding an initiator, and reacting to obtain the high-gloss antibacterial UV veneer. The functional coating is smeared on the surface of the shaving board, and ultraviolet irradiation curing is carried out, the modified monomer is of a hyperbranched structure, when the modified monomer is polymerized with other monomers, polymer molecules are changed into the hyperbranched structure from the original chain structure, and then the strength of a paint film is enhanced; a molecular chain segment contains an organic silicon chain segment, the service life of a surface paint film is prolonged, a quaternary ammonium salt structure of a side chain has positive electricity and can adsorb bacteria, cell membranes are damaged, the antibacterial effect is achieved, meanwhile, the glossiness of the surface of the paint film is improved through nanometer titanium dioxide, and the attractiveness of the veneer is guaranteed.

The invention relates to the technical field of cleaning agents, and particularly discloses a composite cleaning agent as well as a preparation method and application thereof. The composite cleaning agent comprises the following raw material components in percentage by mass: 5%-10% of inorganic particles, 5%-15% of a surfactant, 15%-30% of a cleaning aid and the balance of water, wherein the surface active agent is prepared from rhamnolipid, fatty acid methyl ester ethoxylate, cocamidopropyl betaine and sophorolipid; the inorganic particles comprise soluble sodium salt and nano silicon dioxide; the cleaning auxiliary agent comprises a geranium extracting solution, a herba portulacae extracting solution, lauric acid and glycerol. The composite cleaning agent is simple in raw material components, simple and convenient in preparation method, low in cost and free of secondary pollution to the environment. The composite cleaning agent effectively solves the problems that an existing train cleaning agent is poor in cleaning effect, complex in manufacturing process and unfriendly to the environment.

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 multi-effect mild facial cleanser and a preparation method thereof, and belongs to the technical field of nursing products. The facial cleanser is prepared from the following components: EDTA-2Na (Ethylene Diamine Tetraacetic Acid), an amino acid surfactant, a glucoside surfactant, a betaine surfactant, glycolipid, glycerol, EGDS (Ethylene Diamine Tetraacetic Acid), propylene glycol laurate, water and the like. Based on the matching use of sodium lauroyl methyl aminopropionate, palmitoyl glycine and other amino acid surfactants, the facial cleanser can effectively overcome the technical problems of difficult thickening, poor foam stability and the like of a traditional amino acid facial cleansing product, and also can relieve chronic skin inflammation, restore skin balance and promote microangiogenesis, so that the facial cleanser has the effects of nourishing skin and improving skin quality. The skin is recovered to a young and compact state, and the full components are ensured to have a biodegradable characteristic.

The invention relates to a fabric flavor enhancer containing ester-based quaternary ammonium salt and a preparation method thereof. The fabric flavor enhancer containing ester-based quaternary ammonium salt comprises the following components: polyethylene glycol, an ester-based quaternary ammonium salt solution, modified silicon dioxide, polyquaternary ammonium salt and the like. The modified silicon dioxide is prepared by the following steps: carrying out a blending reaction on hydroxylated silicon dioxide and KH570 to obtain an intermediate product, then carrying out a blending reaction on triethanolamine, acrylic acid, lauric acid and sodium bromoacetate to obtain an intermediate product 2, and finally polymerizing the intermediate product, the intermediate product 2 and hydroxyethyl methylacrylate. Long alkyl chains, quaternary ammonium cations and hydroxyl are introduced into the modified silicon dioxide, so that organic matters on the surface of the modified silicon dioxide form a net-shaped structure; wherein the long alkyl chain can improve the compatibility; quaternary ammonium cations can neutralize charges and make the fabric softer and more fluffy; hydroxyl can adsorb essence, the antistatic performance and the like can be improved, and in addition, silicon dioxide and a net-shaped structure can further enhance the fragrance of the fabric.

The invention discloses an anti-aging PUR (Polyurethane) hot melt adhesive and a preparation method thereof. The anti-aging PUR hot melt adhesive is prepared from the following raw materials in parts by weight: 40 to 50 parts of polytetrahydrofuran glycol, 15 to 20 parts of isophorone diisocyanate, 5 to 13 parts of modified matrix, 0.5 to 1 part of dibutyltin dilaurate, 1 to 3 parts of chain extender, 5 to 12 parts of additive and 2 to 7 parts of gamma-aminopropyltriethoxysilane. Comprising the following steps: S1, uniformly mixing polytetrahydrofuran glycol, isophorone diisocyanate and a modified matrix, introducing nitrogen for protection, reacting for 1.5-2 hours under the conditions that the rotating speed is 150-180r / min and the temperature is 80-85 DEG C, adding dibutyltin dilaurate and a chain extender, and continuously reacting for 3-4 hours to prepare a polyurethane prepolymer; s2, mixing the polyurethane prepolymer, the additive and gamma-aminopropyltriethoxysilane, and uniformly stirring under the conditions that the rotating speed is 65 to 85 r / min and the temperature is 85 to 90 DEG C, so as to obtain the anti-aging PUR hot melt adhesive.

The invention relates to the technical field of high polymer materials, and particularly discloses a flame-retardant heat-conducting silica gel insulating coating and a preparation method thereof. The invention discloses a flame-retardant heat-conducting silica gel insulating coating. Comprising the following components: polydimethylsiloxane, aluminum hydroxide, modified nano aluminum oxide, a phosphorus-nitrogen flame retardant, silicon dioxide, methyltris (methylethylketoxime) silane, vinyltris (methylethylketoxime) silane, dibutyltin dilaurate, a diluent, amino propyl triethoxy silane, propyl trimethoxy silane and ethyl aminopropyl trimethoxy silane. And the polydimethylsiloxane is formed by compounding polydimethylsiloxane with the viscosity of 1,500 cp and polydimethylsiloxane with the viscosity of 20,000 cp. According to the invention, by finely blending the proportion of various functional components, especially the optimal combination of polydimethylsiloxane, modified nano aluminum oxide, the flame retardant and the filler, the flame retardance and thermal conductivity of the coating are effectively improved, and meanwhile, good insulativity and mechanical properties are ensured.

The invention provides a preparation method of a low-sulfur diesel oil anti-wear agent, and belongs to the technical field of carbon-containing fuel processing, and the preparation method comprises the following steps: adding sodium oleate, tetrabutylammonium bromide and xylene into a three-necked flask, uniformly stirring and mixing, heating, dropwise adding 3-chloro-1, 2-propylene glycol, continuously heating until reflux, centrifuging, and carrying out rotary evaporation to obtain glyceryl monooleate; the preparation method comprises the following steps: dispersing NCC in xylene, adding lauric acid and p-toluenesulfonic acid, and carrying out heating, reflux reaction, cooling, centrifugation, washing and drying under the protection of an inert atmosphere to obtain modified NCC; the preparation method comprises the following steps: heating and melting glyceryl monooleate, adding silane modified silicon dioxide, stirring, carrying out ultrasonic treatment, cooling to obtain a modified nano-composite, adding the modified NCC and a stabilizer, stirring, and carrying out ultrasonic uniform mixing to obtain the low-sulfur diesel oil anti-wear agent. The diesel oil anti-wear agent provided by the invention can improve the wear resistance of diesel oil under the condition that the addition amount is relatively low, and improve the low-temperature fluidity and demulsifying performance.

The invention belongs to the technical field of metal material plating, and particularly relates to a connector surface composite coating and a preparation process thereof, and the preparation process comprises the following steps: adding modified carbon black and sodium molybdate into deionized water, stirring to obtain a corrosion inhibition material, and mixing with modified zinc oxide to obtain a mixed filler; the preparation method comprises the following steps: adding dibutyltin dilaurate and toluene diisocynate into polypropylene glycol to obtain a core material; adding hexadecyl trimethyl ammonium bromide and the mixed filler into a 93-96 wt% ethanol solution, adding the core material for emulsification, adding an isophorone diisocyanate solution, and stirring to obtain a microcapsule; nickel sulfate hexahydrate, nickel chloride hexahydrate, sodium citrate, boric acid, a surface dispersant, a sodium hydroxide solution and microcapsules are added into deionized water to be mixed, and an electroplating solution is obtained; and putting the connector into the electroplating solution for electroplating to obtain the composite coating. The expansion of pitting corrosion can be inhibited, and the long-term use reliability and stability of the connector in a marine environment are improved.

The invention belongs to the field of manufacturing of automobile parts, and particularly relates to a preparation process of a polyurethane foaming high polymer material, which comprises the following steps: uniformly mixing polyether polyol, a copper-plated graphite-graphene material, a foaming agent, dibutyltin dilaurate and silicone oil, then adding isophorone diisocyanate, uniformly mixing, and carrying out extrusion molding to obtain the polyurethane foaming high polymer material. Pouring into a mold, foaming in a megasonic environment, and after foaming is finished, feeding into a drying oven for curing; the polyurethane foaming high polymer material is obtained; the material is good in heat-conducting property, and the heat-conducting property cannot be obviously reduced even after long-term repeated extrusion and rebounding; even if the material is dried after absorbing moisture / water, the heat-conducting property and the sound-absorbing property are not obviously reduced; the invention has high application value and is especially suitable for the automobile field.

The invention provides a high-strength fire-resistant cable and a preparation method thereof, and belongs to the technical field of cables, and the preparation method of the high-strength fire-resistant cable comprises the following steps: reacting nano-hydroxyapatite with 10-(2-methacryloyloxy) monodecyl phosphate in ethanol, and drying to obtain modified hydroxyapatite; ethylene-vinyl acetate copolymer, magnesium hydroxide, zinc borate, zinc stannate, polyethylene wax, vinyltrimethoxysilane, 2-hydroxy-2-methyl propiophenone and modified hydroxyapatite are mixed, melt-extruded and illuminated at constant temperature, and a sheath layer is obtained; mixing tetraethoxysilane, ethanol, dibutyltin dilaurate, fumed silica, phlogopite paper and glass fibers, heating and aging, and cutting to obtain a fireproof layer; the insulating layer, the fireproof layer and the sheath layer are sequentially coated on the conductor to prepare the high-strength fireproof cable, and the cable prepared by the invention has good mechanical property, electrical insulating property and fireproof property.

The present invention relates to a confectionery product comprising 20% to 70% by weight of a sweetener; and 20% to 70% by weight of a plant-based fat phase; wherein the plant-based fat phase has from 1.0% to 10.0% by weight of total lauric acid (C12: 0) and myristic acid (C14: 0); and from 20.0% to 70.0% by weight of total palmitic acid (C16: 0) and stearic acid (C18: 0); the percentage of acid is an acid bound as an acyl group in the glyceride of the plant-based fat phase and based on the total weight of C8 to C24 fatty acids; total palmitic acid (C16: 0) and stearic acid (C18: 0) in the second position of the triglycerides, which accounts for at least 1.0% of the percentage of total palmitic acid (C16: 0) and stearic acid (C18: 0) in the triglycerides of the plant-based fat phase (Sn-2 total palmitic acid and stearic acid%); up to 10.0% by weight of a total CN32 triglyceride, CN34 triglyceride, CN36 triglyceride, CN38 triglyceride, and CN40 triglyceride; the plant-based fat phase is based on total triglycerides present in the plant-based fat phase. The invention also relates to a method for preparing said confectionery product.

The invention provides a traditional Chinese medicine composition for improving spleen and stomach health and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 25 to 30 parts of rhizoma dioscoreae, 15 to 20 parts of rhizoma atractylodis macrocephalae, 8 to 15 parts of fructus aurantii, 10 to 15 parts of red dates, 8 to 12 parts of liquorice root, 10 to 15 parts of inulin, 6 to 10 parts of fructus amomi and 5 to 8 parts of cassia twig. The lauric acid modified fenugreek gum (LA-FG) is used as an emulsifier and an immobilized enzyme carrier to construct a water-oil two-phase enzymolysis system, so that the content of effective active ingredients in the traditional Chinese medicine composition, the product stability and the bioavailability are remarkably improved. In addition, the traditional Chinese medicine composition can effectively improve the gastric emptying rate and the small intestine propulsion rate, the level of motilin and anti-inflammatory factors IL-10 is improved, and the effect of improving spleen and stomach health is achieved through multi-target-point synergism. The method successfully breaks through double limitations of a traditional process and an existing scheme, effectively considers volatile oil protection, efficient enzymatic conversion and system stability, and provides a new path for promoting technical upgrading of the traditional Chinese medicine industry.

The invention discloses a sheet molding compound for a torrent swimming pool wall. The sheet molding compound is prepared from the following raw materials: isophthalic resin, hyperbranched unsaturated polyester, a low-shrinkage additive, a curing agent, a release agent, a polymerization inhibitor, a thickening agent, a diluent, fibers and filler, the isophthalic resin is prepared from isophthalic acid, fumaric acid, neopentyl glycol and 1, 2-propylene glycol through a two-step process under the action of a catalyst and an initiator; the hyperbranched unsaturated polyester is obtained by sequentially grafting pentaerythritol serving as a central monomer with bis (hydroxymethyl) propionic acid serving as a branched monomer and lauric acid for low viscosity and carrying out end-capping modification with acrylic acid. The mechanical property and the water resistance of the isophthalic resin are optimized through the compounding and preparation steps of the isophthalic resin raw materials; the hyperbranched unsaturated polyester and the isophthalic resin have good compatibility in compounding, the viscosity of the raw materials is adjusted, and the mechanical property and the heat resistance of the product are further optimized after crosslinking.

The invention relates to the technical field of aluminum pigments, in particular to an odorless aluminum pigment and a preparation method thereof. The aluminum pigment comprises the following raw material components in percentage by mass: 60%-65% of spherical aluminum powder, 30%-35% of a carrier solvent, 1%-2% of a grinding aid and 0.5%-1% of a dispersing agent, the carrier solvent comprises isoparaffin; the grinding aid comprises at least one of lauric acid and derivatives thereof, a fatty acid silane coupling agent, a phthalic ester coupling agent, polyamide wax and stearic acid. The method can be used for preparing the aluminum pigment. According to the prepared aluminum pigment, under the condition that it can be ensured that the metal effect performance is not changed or even improved, the control over the odor of the aluminum pigment can reach the standard.

The application provides a low pour point nonionic surfactant and a preparation method thereof, which is composed of the following raw materials in parts by weight: C13 isomeric fatty alcohol polyoxyethylene ether 18-30 parts, reverse EO / PO block copolymer 10-20 parts, sodium diisooctyl sulfosuccinate 1-7 parts, sodium dodecyl sulfonate 1-5 parts, glyceryl laurate 1-5 parts, isopropyl alcohol 5-10 parts, and propylene glycol 1-5 parts; the formula is constructed based on a nonionic surfactant as a main body, ion surfactants and additives are introduced, and the system is optimized, so that a low pour point nonionic surfactant with excellent adsorption capacity and decontamination capacity is obtained.

The invention relates to the field of animal nutrition additives, and particularly discloses an animal additive based on probiotic synergistic fermentation sea buckthorn residue and hermetia illucens protein and a preparation method thereof, the animal additive comprises the following components by mass: 5%-10% of a filling auxiliary material, and the balance of a fermentation composite product; the sea-buckthorn residues and the hermetia illucens larvae can be fermented to form a double-substrate fermentation product, so that the double-substrate fermentation product has a synergistic nutrition effect, and can be used for remarkably promoting the weight gain condition of animals, improving spleen and thymus indexes and increasing serum IgG and IgM; the hermetia illucens protein is rich in lauric acid, antibacterial peptide and high-quality animal protein, so that the non-specific immunity and the anti-stress capability of an organism are enhanced, and the infection risk in the breeding process is reduced; the low-value sea-buckthorn residues and the hermetia illucens larvae are upgraded and converted into high-value feeding resources in a biological fermentation mode, the environmental pressure of processing by-products is relieved, the additional value of raw materials is increased, and the method conforms to resource circulation and environmental protection policy guidance.

The present application relates to the technical field of energy storage equipment protection, and particularly relates to a phase change protective coating for an energy storage container and a preparation method thereof, which comprises, by total mass 100 parts, epoxy modified polyurethane 40-50 parts, lauric acid 10-15 parts, paraffin 5-8 parts, GPTMS modified boron nitride 3-6 parts, VTES modified nano-silicon dioxide 2-5 parts, leveling agent 0.5-0.7 parts, defoaming agent 0.3-0.5 parts, curing agent 7-9 parts, and diluent 10.8-17 parts; the GPTMS modified boron nitride is obtained by modifying 50 nm boron nitride with GPTMS and has a modification degree of 85%, and the VTES modified nano-silicon dioxide is obtained by modifying 30 nm nano-silicon dioxide with VTES and has a modification degree of 80%. The present application uses specific composite phase change materials and cooperates with a pretreatment process, so that the phase change components are uniformly dispersed, the problems of leakage and agglomeration are avoided, the stable phase change function of the coating is ensured, the environmental temperature fluctuation can be effectively smoothed, and stable operating temperature conditions are provided for the energy storage equipment.

The invention relates to a UV-LED blue paint for protecting a power battery shell, a preparation method and a coating applied by the UV-LED blue paint, and belongs to the technical field of paints. The UV-LED blue coating is prepared from the following components in parts by weight: 5 to 15 parts of a polybutadiene modified acrylate oligomer, 20 to 40 parts of a bisphenol A epoxy acrylate oligomer, 35 to 50 parts of a monofunctional reactive diluent, 5 to 15 parts of a bifunctional reactive diluent, 3 to 10 parts of a multifunctional reactive diluent, 4 to 7 parts of a photoinitiator, 0.6 to 2.2 parts of an auxiliary agent and 1 to 3 parts of blue color paste, the monofunctional reactive diluent is prepared from the following components in parts by weight: 30 to 40 parts of isobornyl-containing acrylate and 5 to 10 parts of lauric acid acrylate. A blue coating formed by the blue coating has good adhesive force, excellent electrolyte resistance and boiling resistance and low viscosity, so that the blue coating can be subjected to mass production through spraying, the curing speed is high, and the production efficiency is improved.

The embodiment of the application discloses a preparation method of a target temperature-sensitive drug-loaded composite microsphere based on attapulgite, which comprises the following steps: carrying out purification treatment on original attapulgite based on an aqueous solution of inorganic strong acid to obtain purified attapulgite; mixing the purified attapulgite, gypenoside, inulin and folic acid to obtain a mixture, and carrying out mixing treatment on the mixture based on deionized water to obtain a composite microsphere suspension; conveying the composite microsphere suspension into a spray dryer to carry out granulation to obtain primary drug-loaded composite microspheres; adopting a melt impregnation method to coat lauric acid on the surface and pores of the primary drug-loaded composite microspheres, and cooling the primary drug-loaded composite microspheres coated with lauric acid to room temperature to obtain the target temperature-sensitive drug-loaded composite microspheres. The application can not only realize temperature change-based on-off type control release of drugs, significantly improve the targeting and treatment accuracy of drugs, but also reduce the systemic toxic side effects of chemotherapy from the source, and realize efficient and low-toxicity synergistic treatment.

The application discloses an environment-friendly fluorine-free super-hydrophobic coating material and a preparation method thereof, and belongs to the technical field of super-hydrophobic coating materials. The preparation method comprises the following steps: mixing hyperbranched polyurethane, ethyl acetate and propylene glycol methyl ether acetate for 10-20 min, then adding polydimethylsiloxane and octadecyl isocyanate to carry out mixing reaction for 60-80 min, then adding multistage microspheres to carry out ultrasonic treatment for 15-30 min, and then adding Isopar G, isophorone diisocyanate, silane coupling agent KH-560, dibutyl tin dilaurate and triethylenediamine to carry out stirring and dispersion for 30-50 min, so as to obtain the environment-friendly fluorine-free super-hydrophobic coating material. The environment-friendly fluorine-free super-hydrophobic coating material prepared by the application has good super-hydrophobicity, self-repairing function and wear resistance.

The invention relates to the technical field of traditional Chinese medicine pharmacy, and discloses a preparation method of a traditional Chinese medicine external preparation for arthralgia based on blood circulation promoting and blood stasis removing, which comprises the following steps: extracting ferulic acid from angelica sinensis and ligusticum wallichii by adopting a supercritical CO2 fluid extraction process; extracting safflower, frankincense and other medicinal materials to obtain a synergistic active ingredient extract; the ferulic acid is used as a first hydrogen bond donor to react with lauric acid used as a temperature-sensitive phase change hydrogen bond donor and choline chloride used as a hydrogen bond acceptor, and the temperature-sensitive bioactive ternary eutectic solvent is prepared; loading the synergistic active ingredient extract in the solvent at low temperature to form a medicine mother solution; and finally, mixing the medicine mother liquor with auxiliary materials to prepare the external preparation. Ferulic acid in medicinal materials serves as a structural unit of a functional solvent, the solvent prepared under the mild condition has biological activity and temperature-sensitive phase change characteristics, a medicine storage cavern can be formed on the skin surface in situ, long-acting slow release and efficient transdermal absorption of active ingredients are achieved, and the curative effect and safety of a preparation are improved.

The invention discloses an organic intumescent rubber composition for a composite metal fireproof door and a preparation method of the organic intumescent rubber composition, and belongs to the technical field of preparation of fireproof materials. The preparation method comprises the following steps: plastifying a rubber master batch mixture at 50-60 DEG C for 5-9 minutes, then adding a vulcanizing agent, a vulcanization accelerator, lauric acid and an anti-aging agent, mixing at 110-120 DEG C for 10-14 minutes, and finally vulcanizing in a vulcanizing machine at 150-160 DEG C and 12 MPa for 18-20 minutes to obtain the organic intumescent rubber composition. The rubber master batch mixture, the vulcanizing agent, the vulcanization accelerator, the lauric acid and the anti-aging agent are mixed and then subjected to vulcanization treatment to obtain the organic intumescent rubber composition with good mechanical properties and flame retardance.

The object of the present invention is to provide a gummy candy that has both a resilient texture and a smooth, melt-in-your-mouth quality like chocolate, and that has a good chocolate-like flavor. [Solution] A gummy candy containing 2.0% by mass or more of a gelling agent, cocoa content, and oil and fat, wherein the ratio of the solid fat content of the oil and fat at 20°C to the solid fat content of the oil and fat at 35°C is 3 or more, and preferably, the oil and fat contains random transesterified oil and fat (A): the content of lauric acid residues in the constituent fatty acid residues is 5 to 50% by mass.

The present application relates to the technical field of biochar preparation, and discloses an organic acid modified biochar as well as a preparation method and application thereof.The preparation method of the organic acid modified biochar comprises the following steps: 1) performing calcination modification on biochar to obtain primary modified biochar; 2) placing the primary modified biochar prepared in step 1) in hydrochloric acid to perform impregnation modification on the primary modified biochar, and obtaining secondary modified biochar; and 3) mixing lauric acid, octadecylamine and the secondary modified biochar prepared in step 2), heating, and performing impregnation modification to obtain the organic acid modified biochar.The organic acid modified biochar provided by the present application has a permeability coefficient of 0.54*10 ‑8 m / s, has relatively optimal permeability resistance, and can be applied to building engineering permeability resistance.

The present invention relates to the technical field of road engineering construction, and specifically discloses a high-temperature resistant warm mix rubber asphalt mixture, its preparation method and application. The high-temperature resistant warm mix rubber asphalt mixture includes coarse aggregate, fine aggregate, palmitic acid-lauric acid / vermiculite phase change material, warm mix agent, waste rubber powder and matrix asphalt. In the present invention, the palmitic acid-lauric acid / vermiculite phase change material is added to the asphalt mixture, effectively improving the problem of unstable performance of the asphalt mixture in a high-temperature environment; and the present invention also improves the asphalt aggregate, obtaining a coarse aggregate with a core-shell structure with optical fiber waste particles as the core layer and a rubber elastomer as the shell layer, effectively improving the rutting resistance of the asphalt mixture. The present invention effectively solves the problem of unstable performance of the asphalt mixture in the prior art in a high-temperature environment, and provides a new design idea for asphalt mixtures used in a high-temperature environment.