566 results about "Stearate" patented technology

The invention relates to the technical field of high-performance polyester, in particular to a high-strength low-shrinkage polyester fiber and a preparation method thereof. The defects that existing polyester fibers are poor in strength and shrinkage resistance are overcome. The preparation method comprises the following steps: mixing the modified resin, the modified nano silicon dioxide, the composite antioxidant, the composite nucleating agent and the composite lubricant, and carrying out melt spinning. Wherein the modified resin is prepared from the following raw materials: dimethyl terephthalate, isophthalic acid, ethylene glycol and isosorbide; the modified nano silicon dioxide comprises nano silicon dioxide, KH570 and silver nitrate; the composite antioxidant comprises an antioxidant 1010, an antioxidant 168 and an antioxidant 1222; the composite nucleating agent comprises sodium benzoate and nano montmorillonite; the composite lubricant is prepared from ethylene bis stearamide and pentaerythritol stearate. The prepared polyester fiber is high in strength, high in shrinkage resistance and suitable for manufacturing of outdoor equipment.

The invention relates to the technical field of insulating materials, in particular to insulating powder and a preparation method thereof. The invention discloses a flame-retardant coating which comprises the following components in parts by weight: 15-25 parts of epoxy resin, 10-20 parts of aluminum hydroxide, 5-12 parts of nano boron nitride, 1-3 parts of a silane coupling agent KH-560, 3-8 parts of polytetrafluoroethylene micro powder, 2-6 parts of fluorine-modified montmorillonite, 4-9 parts of melamine cyanurate, 2-5 parts of nano titanium dioxide, 1-4 parts of a fluorine-modified graphene oxide-polyaniline composite material and 0.5-2 parts of pentaerythritol stearate. The anti-corrosion coating is prepared from the following components in parts by weight: 1 to 3 parts of nano zinc oxide, 5 to 10 parts of glass fiber, 2 to 5 parts of polyhedral oligomeric silsesquioxane-polyimide copolymer, 1 to 4 parts of ferrocenyl epoxy resin and 0.5 to 2 parts of perfluorooctyltriethoxysilane. The insulation powder is high in corrosion resistance, excellent in insulation, heat dissipation and mechanical performance, environmentally friendly in processing, good in adaptability, capable of prolonging the service life of equipment and reducing the cost, suitable for special environments and wide in popularization prospect.

The invention provides a thermoplastic resin composition as well as a preparation method and application thereof. The thermoplastic resin composition is prepared from the following components in parts by weight: 10 to 40 parts of acrylonitrile-butadiene-styrene resin material, 30 to 70 parts of polymethyl methacrylate, 1 to 10 parts of modified hollow ceramic microbeads and 1 to 20 parts of toughening agent, the modified hollow ceramic microbeads comprise hollow ceramic microbeads modified by a coupling agent and stearate. The thermoplastic resin composition disclosed by the invention has the advantages of excellent wear resistance, good sound insulation effect and high surface hardness and impact strength.

The invention relates to the field of polystyrene auxiliaries, and particularly discloses a coating agent for expandable polystyrene as well as a preparation method and application of the coating agent. The coating agent for expandable polystyrene is prepared from the following raw materials in parts by weight: 28 to 42 parts of mono / diglycerol fatty acid ester, 32 to 42 parts of triglyceride, 22 to 32 parts of stearate, 1 to 5 parts of ethylene bis stearamide and 2 to 3 parts of polyvinyl alcohol, and the granularity of the raw materials is 300 to 325 meshes. The coating agent provided by the invention can be used for light-grade, flame-retardant and common-grade expandable polystyrene, and can reduce adhesion and agglomeration among expandable polystyrene particles, enhance the demolding effect and reduce volatilization and loss of a foaming agent and an auxiliary agent.

The invention discloses a sheath material for a saline-alkaline-resistant dragging cable, a preparation method of the sheath material, the cable and the sheath material. The sheath material is prepared from the following raw materials in parts by weight: 40 to 45 parts of chlorinated polyethylene, 1.5 to 2.0 parts of dicumyl peroxide vulcanizing agent, 2 to 2.5 parts of triisocyanate vulcanizing agent, 0.1 to 0.3 part of ethylene thiourea accelerant, 0.05 to 0.15 part of anti-aging agent RD, 4 to 5 parts of metal oxide, 1 to 1.5 parts of paraffin, 8 to 10 parts of calcium carbonate, 15 to 21 parts of reinforcing agent, 1 to 1.5 parts of lead stearate, 0.5 to 1 part of lead sulfate tribasic, 1 to 1.5 parts of ultraviolet light absorber, 3 to 5 parts of epoxidized soybean oil and 8 to 8 parts of chlorinated paraffin. 9 parts of antimony trioxide and 3-4 parts of antimony trioxide. The cable has the advantages of ultraviolet resistance, no salt deposition, water resistance, tensile resistance, cold resistance and the like, can be used for a long time in a special operating environment, has the service life of at least more than 3 years, and avoids frequent replacement of the cable by a user.

A method for realizing single-crystalline regeneration of a spent positive electrode material by using a vacuum cracking method. The method comprises: fully mixing a spent polycrystalline ternary positive electrode material of a lithium ion battery with nickel stearate and a lithium salt, melting same, and then calcining same in vacuum so as to obtain a regenerated single-crystalline ternary positive electrode material. The present method not only compensates the loss of lithium of a spent single-crystalline ternary positive electrode material, but also converts insoluble residual Ni on the surface of the single-crystalline material during the "cracking" process of nickel stearate into LiNiO2 capable of providing discharge capacity, thus allowing the regenerated positive electrode material to exhibit more excellent electrochemical properties, and further reducing costs. The method is simple and easy to operate, and has modest requirements on regeneration reaction temperature, and while not needing long-time high-temperature calcination, the method can be used for simultaneously carrying out two processes polycrystalline cracking into single crystalline and lithium replenishment, thus involving low energy consumption, and being easy to popularize.

The invention provides an ocean engineering anticorrosive coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from the following raw materials: fluorocarbon resin, modified synthetic mica, modified basalt fibers, modified carbon nanotubes, nano silicon dioxide, nano zinc oxide, nano titanium dioxide, carbon fibers, zinc phosphate, hydroxyl-terminated polybutadiene, a plant extract, organic tin and the like. The modified synthetic mica and the modified carbon nanotubes are modified by adopting pentaerythritol stearate, cellulose nitrate and sodium hexametaphosphate; the modified basalt fiber is modified by adopting sodium stannate, polyvinyl alcohol and sodium hexametaphosphate; the plant extract is ethanol percolation extract of kandelia candel leaves and mangnolia officinalis leaves. All the components are used in a matched mode according to a certain proportion, and the advantages of being excellent in anti-corrosion performance, good in mechanical performance, excellent in anti-aging performance, environmentally friendly and the like are achieved.

The invention provides a grinding fluid, the grinding fluid comprises a base fluid, a grinding material, nano-diamond and a dispersion stabilizer, the base fluid comprises polyether and silicone oil, the grinding material comprises surface modified silicon carbide particles, and the dispersion stabilizer comprises polyethylene glycol stearate and polyvinylpyrrolidone. The surface roughness of a grinding piece can be reduced, the scratch density and microcracks of the surface are reduced, damage of grinding fluid to the grinding piece is reduced or even avoided, and the service life of a cutter can be prolonged. The invention also provides a preparation method of the grinding fluid and a process method using the grinding fluid.

The invention relates to the technical field of high polymer materials, and particularly discloses a fluoride-free halogen-free flame-retardant polycarbonate material and a preparation method and application thereof.The fluoride-free halogen-free flame-retardant polycarbonate material is prepared from, by weight, 70-90 parts of polycarbonate resin, 8-15 parts of phosphorus-nitrogen flame retardant and 3-8 parts of silicon flame-retardant synergist, the composite material is prepared from the following raw materials in parts by weight: 20-30 parts of polypropylene, 2-5 parts of nano reinforcing filler, 0.1-0.5 part of hindered phenol antioxidant, 0.1-0.5 part of phosphite ester antioxidant and 0.1-0.5 part of pentaerythritol stearate. Through the synergistic effect of the composite flame-retardant system and the nanofiller, high flame retardance (UL94 V-0 level, 1.5 mm thickness), high heat resistance (the heat distortion temperature is greater than or equal to 130 DEG C) and excellent mechanical property are realized, the control is easy, the processing is stable, good balance of flame retardance and mechanical property is achieved on the premise of environmental protection, and the composite flame-retardant material is suitable for the fields of high-end household appliances and consumer electronics.

The invention relates to the technical field of cables, and provides a wear-resistant cable and a preparation method thereof. The wear-resistant cable sequentially comprises an outer protective layer, an insulating layer and a conductor from outside to inside, and the outer protective layer comprises the following components in parts by weight: 80 parts of polyurethane, 18-24 parts of high-density polyethylene, 4-6 parts of an ethylene-butyl acrylate copolymer, 5-8 parts of an ethylene-vinyl acetate copolymer, 10-20 parts of sillimanite, 4-8 parts of a lubricating component, 20-30 parts of a flame retardant, 1-3 parts of an antioxidant and 2-4 parts of a plasticizer; the lubricating component comprises N, N-di (hydroxyethyl) cocamide and aluminum dihydroxy stearate in a weight ratio of (1: 9)-(9: 1). According to the technical scheme, the problem of poor wear resistance of the outer sheath of the cable in the prior art is solved.

The present invention relates to an aluminum oxide CMP polishing solution for a SIC substrate and a preparation method therefor. The polishing solution comprises the following raw materials in parts by weight: 8-10 parts of aluminum oxide powder, 8-10 parts of a suspending agent, 8.5-10 parts of a dispersant, 4-5 parts of a pH regulator, 5-6 parts of an oxidizing agent, 4-5 parts of a defoamer, and 75-80 parts of deionized water. The dispersant is one or a mixture of fatty alcohol ether phosphate, fatty alcohol ether phosphate potassium salt, isotridecyl phosphate, polyethylene glycol stearate, polyethylene glycol monolaurate, and polyethylene glycol monooleate. In the present invention, full dispersion and stable suspension of aluminum oxide micropowder can be achieved without any agglomeration, such that abnormal scratches can be prevented from being generated in a grinding process and then affecting the polishing quality; in addition, the use of an alkaline polishing solution can effectively protect devices from damage, prolong the service life of the devices, and increase the machining precision.

The invention relates to a high-wear-resistance nano-particle composite polyester fiber spinning oil agent and a preparation method thereof. The oil agent contains 3-7wt% of an anti-wear agent composed of modified nano-hydroxyl magnesium silicate, polyoxypropylene stearate and polymethyl methacrylate; and 45-55 wt% of a smoothing agent composed of pentaerythritol oleate and trimethylolpropane fatty acid ester. The preparation method of the oiling agent comprises the following steps: firstly, weighing the components according to the weight; sequentially adding a smoothing agent, an emulsifying agent, a penetrating agent, a bundling agent, an antistatic agent, an anti-wear agent and an anti-coking agent; and finally, reacting for 1.5-3 hours at the temperature of 40-50 DEG C and at the stirring speed of 500-900 r / min to obtain the high-wear-resistance nano-particle composite polyester fiber spinning oil. The oiling agent has excellent wear resistance and smoothness, the manufacturing process is simple, and the oiling agent can well meet the spinning process of nano-particle composite polyester fibers.

A concentrated laundry composition premix which is dilutable in water to form a laundry liquid composition, the viscosity which when formed from a dilution of five parts by volume water to one part premix and measured at 25° C. and at 106 s−1 is from 200 to 800 mPa·s., said premix comprising at least 10% wt. water, from 0.1 to 8% wt. ethoxylated polyol ester, and comprising from 5 to 70% wt. surfactant active excluding the ethoxylated polyol ester and where the ethoxylated polyol ester is not sorbeth stearate, wherein the surfactant comprises anionic surfactant and non-ionic surfactant in a weight ratio of from 50:50 to 1:99 and wherein the composition comprises from 0 to 5% wt. alkyl ether sulphate.

The application belongs to the field of separation and specifically relates to a cellulose / PVDF electrostatic spinning oil-water separation membrane and a preparation method thereof. The preparation method comprises the following steps: S1: preparing cellulose stearate; S2: mixing cellulose stearate obtained in step S1 and polyvinylidene fluoride (PVDF) prepared into solutions respectively to obtain a spinning solution; and S3: defoaming the spinning solution obtained in step S2 and then electrostatic spinning to obtain a cellulose stearate / polyvinylidene fluoride (PVDF) hydrophobic oleophilic oil-water separation membrane. The mixed electrostatic spinning nanofiber membrane has better mechanical properties, and due to the addition of modified cellulose, the nanofiber membrane has greater separation flux, higher separation efficiency and greater porosity.

The invention discloses a high-whiteness EVA chemical foaming sole material and a preparation method thereof, and belongs to the technical field of footwear products. The EVA chemical foaming sole material is formed by chemical foaming of an EVA composite raw material. The EVA composite raw materials mainly comprise 50 to 70 parts of EVA, 20 to 40 parts of an olefin thermoplastic elastomer, 0.4 to 0.7 part of a peroxide cross-linking agent, 2 to 4 parts of an AC foaming agent, 1 to 2 parts of zinc oxide, 0.3 to 0.8 part of 6-hydroxy-1, 2, 3, 4-tetrahydroquinoline, 0.5 to 1 part of nano zinc carbonate and 0.5 to 1 part of pentaerythritol tetrastearate. The whitening effect of the sole material can be realized on the premise of protecting the EVA foaming-crosslinking structure; therefore, the attractiveness of the product is improved, the durability is better, the mechanical properties and other properties of the EVA foamed sole are not influenced, and the high-quality requirements of elasticity, pressure resistance, comfort and the like of sports shoes can be met.

The invention relates to a sunscreen composition as well as a preparation method and application thereof. The sunscreen composition comprises a coco-glucoside-coconut oil alcohol compound, polyethylene glycol stearate, dextrin palmitate, butyl octanol salicylate and titanium dioxide. The dextrin palmitate, the butyl octanol salicylate and the coco-glucoside-coconut oil alcohol compound in the composition are matched with one another, so that the composition has excellent wetting, dispersing and suspending effects on the titanium dioxide powder, the sunscreen performance of the composition is greatly improved, and the composition has a synergistic effect in the aspects of improving the stability of the composition and improving the sunscreen effect. Meanwhile, the coco-glucoside-coconut oil alcohol compound can be compatible with polyethylene glycol stearate, so that a sunscreen product further prepared from the composition does not need to be removed by a cleaning product, and the sunscreen product can be washed with clear water.

The invention provides a bacteriostatic PET (polyethylene terephthalate) coiled material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the bacteriostatic PET coiled material is prepared from the following raw materials: PET, nano titanium dioxide, nano talcum powder, a compatilizer, an antioxidant, a lubricant and a modified composite bacteriostatic agent; the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer, and the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer; the lubricant is one or a mixture of two of pentaerythritol stearate, erucyl amide, polyethylene wax, polyvinyl alcohol and ethylene bis stearamide; the modified composite bacteriostatic agent is prepared from catechin gallate, epsilon-polylysine hydrochloride and modified porous zinc oxide. The prepared antibacterial PET coiled material can be used for packaging materials of packaging boxes, lunch boxes, cup covers, trays and the like, and has good mechanical properties such as bending strength and impact strength and excellent antibacterial performance.

The invention relates to the technical field of cosmetics, and particularly discloses a mild and stable A alcohol composition, an A alcohol cosmetic and a preparation method of the A alcohol composition and the A alcohol cosmetic. The mild and stable A alcohol composition is prepared from the following components in parts by weight: 0.1 to 0.5 part of A alcohol; 0.7 to 2.7 parts of a coating component; 0.3 to 0.9 part of a soothing component; the coating component is prepared from glycerol distearate, polyglycerol-10 pentastearate, behenyl alcohol, glyceryl stearate citrate and a composition of polyglycerol-6 stearate; the soothing component is prepared from hydroxyphenyl propionamide benzoic acid, a citrus fruit extract and bisabolol. According to the mild and stable A alcohol composition, the anti-aging, repairing and other effects of the A alcohol are guaranteed, and the irritation problem of the A alcohol is solved.

The invention relates to a composite material for a deck and a preparation method thereof, belongs to the technical field of composite materials, and solves the problems that the composite material for the deck in the prior art is easy to break in the installation process due to poor toughness and insufficient impact resistance, and is easy to whiten and yellow due to insufficient weather resistance. The invention provides a composite material for a deck. The composite material comprises polypropylene A, chopped glass fibers, a flexibilizer, rare earth stearate, a compatilizer, an antioxidant and a composite light stabilizer, wherein the composite light stabilizer is a master batch prepared by mixing and compounding a low-molecular-weight benzotriazole light stabilizer and a high-molecular-weight hindered amine light stabilizer and then banburying with polypropylene B. The composite material is high in strength and toughness matching degree, and is not easy to break during installation; and the environment tolerance is good, the weather resistance can reach 4-5 levels, the appearance of the floating fiber reaches a superior level, and the floating fiber can be widely applied to decks of various aircrafts and other structures or appearance parts.

The invention discloses chloride ion erosion resistant alkali-activated slag mortar and a preparation method thereof, and belongs to the field of building materials. The invention aims to solve the problems of overhigh water absorption and difficulty in effectively resisting chloride ion erosion in the prior art. The method comprises the following steps: adjusting the modulus of a water glass solution to 1.5 by using sodium hydroxide, uniformly stirring, clarifying, and cooling to room temperature to obtain an alkali activator; the preparation method comprises the following steps: mixing and grinding stearate, slag, quartz powder, limestone powder and a grinding aid for 10-20 minutes to obtain a solid powder raw material; and uniformly stirring the solid powder raw material and the sand, adding the alkali activator and the water, slowly stirring and then quickly stirring to obtain the alkali-activated slag mortar. The water absorption rate of the alkali-activated slag mortar is effectively reduced, the chloride ion erosion resistance is enhanced, and the recycling space and value of the blast furnace slag solid waste are improved.

The invention relates to the technical field of polyvinyl chloride, in particular to an anti-aging polyvinyl chloride sheet and a preparation method thereof.The anti-aging polyvinyl chloride sheet is characterized in that one of an organic tin stabilizer and a liquid calcium-zinc stabilizer is introduced into a polyvinyl chloride base material to serve as a stabilizer, the processability of the polyvinyl chloride base material is improved by selecting an ACR auxiliary agent, and ethylene bis stearamide serves as an anti-sticking agent; one or more of oxidized polyethlene wax, polyol ester and stearate are used as a lubricant; 2-carboxyethyl phenyl phosphinic acid and 1, 1, 1-trimethylolpropane are used as raw materials to synthesize hyperbranched polyester, then a hydroxyl-containing s-triazine ultraviolet absorbent is grafted, and the modified hyperbranched polyester plasticizer is obtained and used for plastifying sheets. The preparation method comprises the following steps: selecting hydrotalcite-like compound as a filler, selecting carboxylated silsesquioxane as a modifier through a stripping recombination method to obtain carboxylated hydrotalcite-like compound, and then grafting a hydroxyl-containing s-triazine ultraviolet absorbent, thereby greatly enhancing the flame retardance, fire resistance and weather resistance of the sheet and enhancing the use safety of the sheet.

The invention relates to the technical field of pharmaceutical preparations, in particular to a solid dispersion-based sustained-release drug composite carrier as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out synergistic spray drying on double polymers (hydroxypropyl methylcellulose acetate succinate and polyvinylpyrrolidone-vinyl acetate copolymer) to form a solid dispersion; compounding with mesoporous silica and calcium silicate for localization, and spraying ethanol to activate pores; calcium stearate and magnesium stearate are sequentially added for lubrication; prefabricating a sustained-release skeleton master batch; and finally, mixing, rolling and forming. According to the method, through hierarchical structural design, the drug stability, the powder fluidity and the release controllability are remarkably improved, the method is suitable for industrial production of the dihydroergoline mesylate sustained release preparation, and a release curve is smooth and reliable.

The present application relates to a kind of ultra-low VOC water-based paint and its preparation method, belong to paint technical field, and paint component includes modified acrylic-polyurethane hybrid emulsion, methyl linoleate, choline chloride-glycerol complex, modified nano titanium dioxide photocatalyst, PEG-40 stearate, thickening agent, preservative, pH regulator etc..The present application is prepared by special method modified acrylic-polyurethane hybrid emulsion, modified nano titanium dioxide photocatalyst, then with methyl linoleate, PEG-40 stearate, choline chloride-glycerol complex and other additives are prepared according to certain proportion Cooperation preparation paint, with the effect of fast curing and not cracking, very low VOC volatility, and good water resistance and acid and alkali resistance, strong adhesion.

The invention relates to a string maintenance nanoemulsion and a preparation method thereof, and belongs to the technical field of string maintenance. The nanoemulsion comprises polysorbate 80 and sorbitan stearate 60 as main emulsifiers, glyceryl monostearate, cetyl alcohol and stearyl alcohol as auxiliary emulsifiers, liquid paraffin and xanthan gum for adjusting the consistency, chitosan-loaded sodium hyaluronate nanoparticles as a long-acting humectant, and glycerol and propylene glycol as humectants and also can be used as anti-freezing agents. Ethylparaben is used as a preservative; and essence and the balance of water can be selectively added. Uniformly mixing and stirring the water-soluble components; uniformly mixing and stirring oil soluble components; and adding the oil phase into the water phase, stirring to form primary emulsion, emulsifying, homogenizing, cooling, and adding essence to obtain the product. According to the invention, the chitosan-loaded sodium hyaluronate nanoparticles are introduced to realize long-acting moisturizing and moistening of strings, and have the advantages of fine and soft texture and the like.

The invention relates to the technical field of cables, and particularly discloses a flame-retardant modified polyethylene cable insulation layer and a preparation method thereof. The flame-retardant modified polyethylene cable insulating layer comprises the following raw materials in parts by weight: 90-100 parts of polyethylene resin; 30 to 40 parts of EVA resin; 10 to 20 parts of a modified flame retardant; 5-10 parts of aluminum hydroxide micro powder; 5 to 10 parts of barium stearate; 1-5 parts of dimethyl silicone oil; 0.8 to 1.2 parts of a silane coupling agent; 0.5 to 1 part of carbon black; 1-3 parts of an antioxidant; 1-3 parts of a calcium-zinc stabilizer; 1-3 parts of a filler; the modified flame retardant is obtained by modifying melamine cyanurate by aluminum tri-sec-butoxide. According to the cable insulation layer, the modified flame retardant is added, in the combustion process, the modified flame retardant can rapidly form a compact aluminum oxide layer and a carbon layer, the concentration of combustible gas is reduced, the combustion speed is slowed down, and therefore the flame retardant performance of the insulation layer is remarkably improved.

The present invention relates to a lipid nanoparticle composition comprising sodium DNA, and more particularly, to a lipid nanoparticle composition comprising: sodium DNA as an active ingredient; the sodium bis (lauramide glutamine) lysine is used as an amphiphilic surfactant; the distearoyl phosphatidylcholine is used as an auxiliary surfactant; cholesterol as a stabilizer; the auxiliary stabilizer is selected from the group consisting of PEG-120 stearate, polyglycerol-4 decanoate, a poly (ethylene glycol)-poly (epsilon-caprolactone) copolymer (PEG-PCL copolymer) and a mixture of the PEG-120 stearate, the polyglycerol-4 decanoate and the poly (ethylene glycol)-poly (epsilon-caprolactone) copolymer; and a solvent.

The invention relates to the field of skin care products, and discloses a ceramide liposome for skin care products and a preparation method thereof, the ceramide liposome comprises the following components by weight: 5-10 parts of hydrogenated lecithin, 0.5-2 parts of modified cholesterol, 0.5-2 parts of ceramide, 0.1-2.5 parts of sucrose stearate, 0.1-1 part of polyglycerol-10 stearate, and 15-30 parts of an organic solvent; the modified cholesterol is prepared by grafting glycine cholesteryl ester and carboxymethyl chitosan through a chemical reaction, the glycine cholesteryl ester is prepared from cholesterol, N-t-butyloxycarboryl glycine and trifluoroacetic acid as raw materials, and the carboxymethyl chitosan is prepared by grafting chloroacetic acid and chitosan. According to the invention, hydrogenated lecithin, modified cholesterol, ceramide, sucrose stearate and polyglycerol-10 stearate are used as raw materials to prepare the ceramide liposome with good stability, good skin barrier repairing property and good moisturizing and water locking effects.

The invention discloses a reaction device for producing stearate by a kneading method, relates to the field of chemical processing, and solves the problems that the existing stearate reaction device is large in wastewater amount, not environment-friendly enough, long in process flow and relatively high in production cost during production, and the reaction device comprises a machine body, a kneading box, an output mechanism, a crushing mechanism and a circulating mechanism, the kneading box is internally and rotatably connected with two sets of kneading paddles, and the crushing mechanism comprises a fixing barrel, a screening barrel and a crushing cutter. Materials kneaded in the kneading box are output into the screening barrel through the output mechanism and crushed through the crushing cutter; meanwhile, in the rotating process of the crushing cutter, the crushing mechanism is in linkage with the screening barrel for rotating and self-cleaning, screening holes are prevented from being blocked, the screening and conveying efficiency is improved, water vapor generated in the kneading machining process is extracted through the circulating mechanism, and the separated and dried powder is circulated into the kneading box for use; the automatic production efficiency is improved, and wastewater discharge is reduced.

The invention relates to the field of external cosmetics for eyes, in particular to double-resistance eye cream and a preparation method thereof. The double-resistance eye cream is prepared from the following components in percentage by mass: 4-hydroxyethyl piperazine ethanesulfonic acid, betaine, dipropylene glycol, allantoin, a chelating agent and water, an ammonium acryloyldimethyl taurate / VP copolymer; the invention relates to a skin care product which is prepared from the following raw materials: cetostearyl alcohol wheat straw glycoside, cetostearyl alcohol, glyceryl stearate, PEG-100 stearate, caprylic / capric triglyceride, emblic leafflower fruit extract, polydimethylsiloxane, tocopheryl acetate and behenyl alcohol. Tranexamic acid; a whitening supplement; a bacteriostatic agent; and pine mushroom extract. Aiming at three causes causing periorbital problems, such as skin oxidation, skin saccharification and inflammatory reaction, through a multi-section target spot effect, multiple chains snip dark eyes, refine and lighten wrinkles, and restore elasticity, smoothness and brightness.

The invention discloses a hydrogel patch for promoting blood circulation to remove meridian obstruction and a preparation method thereof. The formula of the hydrogel patch for promoting blood circulation to remove meridian obstruction comprises a traditional Chinese medicine concentrated solution for promoting blood circulation to remove meridian obstruction, an oil-in-water emulsion for promoting blood circulation to remove meridian obstruction, sodium polyacrylate, polyacrylic acid, glycerol, azone, dihydroxyaluminum aminoacetate, tartaric acid, disodium ethylene diamine tetraacetate, methylparaben and deionized water. The traditional Chinese medicine concentrated solution for promoting blood circulation to remove meridian obstruction is 70% ethanol extract of vinegar-processed rhizoma corydalis, ligusticum wallichii, philippine flemingia root, safflower, frankincense, myrrh, radix angelicae and liquorice; the oil-in-water emulsion capable of promoting blood circulation to remove meridian obstruction is prepared from a vinegar rhizoma corydalis sesame oil extract, wintergreen oil, methyl glucose sesquistearate, stearate, cetostearyl alcohol, polydimethylsiloxane and deionized water; the blood-activating collateral-dredging hydrogel patch has no skin irritation, belongs to weak sensitization, and has the function of assisting in relieving pain.