232 results about "Dipropylene glycol" patented technology

The invention provides an NAD < + > composition for skin anti-aging and firming cosmetics and a preparation process of the NAD < + > composition. The NAD + composition is prepared from the following components in parts by weight: 40 to 50 parts of dipropylene glycol, 0.1 to 1 part of nicotinamide, 0.001 to 0.01 part of nicotinamide adenine dinucleotide, 0.05 to 0.1 part of beta-nicotinamide mononucleotide, 0.1 to 0.5 part of leontopodium alpinum flower / leaf extract, 0.1 to 0.5 part of leontopodium alpinum callus extract, 0.1 to 0.5 part of leontopodium alpinum yeast fermentation lysate filtrate and 0.1 to 0.5 part of citric acid. The NAD + composition has the advantages that the preparation process is simple, the prepared NAD + composition has excellent synergy when being compared with some natural plant extract compositions, the effects of resisting aging and tightening skin can be better achieved, the NAD + composition can be effectively absorbed by the skin, the cell regeneration and differentiation capacity is promoted, the resilience force of the skin is helped to be improved, the skin is protected, and the skin is protected. The tightening and anti-aging effects are achieved.

The invention relates to a water-based thermal insulation coating. The invention discloses a water-based thermal insulation coating composition which comprises water-based resin, a coalescing agent and a thermal insulation agent. The water-based resin is selected from at least one of material groups consisting of acrylic resin, polyurethane resin and epoxy resin. The aqueous resin has a minimum film formation temperature of not less than 5 DEG C. The coalescing agent is selected from at least one of a material group consisting of a plasticizer, an alcohol ether solvent, an alcohol ester solvent, a mixed solvent of ethylene glycol monobutyl ether and dipropylene glycol butyl ether, and an aprotic solvent. And the heat insulation agent is hydrated silicon dioxide. Therefore, the water-based heat insulation coating has the technical effect of reducing carbon emission, can replace the traditional solvent type coating, and has a heat insulation function.

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 sialic acid mild brushing acid composition and application thereof, and relates to the technical field of cosmetics. The sialic acid mild brushing acid composition comprises sialic acid and a solvent, the mass concentration of the sialic acid is 2%-15%, and the solvent is selected from at least one of 1, 3-propylene glycol, butanediol, dipropylene glycol and water. The sialic acid is creatively used as one of the mild brushing acid components, can soften old and waste cutin mildly and promote cutin exfoliation and permeation and absorption of the sialic acid, so that the sialic acid can fully play a skin protection role, has an excellent mild cutin exfoliation effect and has the effects of improving hyperpigmentation and coarse pores; and a dynamic balance skin care strategy of breaking while standing and breaking while standing can be realized. The prepared cosmetics have better moisture retention and safety, repair barriers through moisture retention, improve pigmentation through oxidation resistance, stimulate collagen to remodel a supporting structure to improve coarse pores, and finally consolidate the health state of the skin through immunoregulation.

Marker composition comprising water, 1-10 wt.% non-ionic surfactant selected from alkyl polyglucosides, alcohol ethoxylates and alcohol ethoxylate propoxylates, or mixtures thereof, 1-5% organic solve

The invention relates to the technical field of coatings, in particular to an epoxy resin-based water-based corrosion-resistant and weather-resistant coating and a preparation method of the epoxy resin-based water-based corrosion-resistant and weather-resistant coating. A composite modified inorganic filler composed of siloxane modified epoxy resin, modified polysiloxane, rare earth cerium modified graphene, silane modified calcium carbonate oligomer and surfactant-silane composite modified kaolin is compounded; a composite modifier consisting of propylene glycol diacetate, dipropylene glycol butyl ether and diethylene glycol butyl ether and an isopropanol / water mixed solvent are matched, so that the contradiction between the water resistance and the structural stability of the existing water-based paint is effectively solved, and the anticorrosion durability, the weather resistance, the mechanical strength, the adhesive force and the storage stability of the coating are remarkably improved; good water-based dispersity and construction applicability are kept, and the coating can be suitable for long-acting corrosion protection of base materials such as metal components, industrial equipment and building outer walls and has a wide application prospect.

The invention discloses a composition for enhancing cooling feeling and a preparation method and application thereof, and belongs to the technical field of cosmetics. The technical problem to be solved is to provide the composition capable of remarkably enhancing the cool feeling. The composition comprises the following raw materials: a mixture of a butterflybush flower extract, cyclodextrin and dipropylene glycol in a mass ratio of (1-5): (30-60): (35-65). And by combining with cooling factors such as menthol, the cooling feeling and durability can be remarkably improved, and the irritation is remarkably reduced. According to the key point of the technical scheme, the composition for increasing the cooling feeling is prepared from a butterflybush flower extract, cyclodextrin and dipropylene glycol.

The invention relates to the technical field of coating production, in particular to a preparation method and device of polyether amine modified waterborne epoxy heavy anti-corrosion coating. The polyether amine modified waterborne epoxy heavy anti-corrosion coating is prepared from the following ingredients in parts by mass: 30 to 35 parts of modified bisphenol A epoxy resin, 3 to 8 parts of polyether amine modified waterborne epoxy resin, 0.7 to 1 part of dispersing agents, 0.05 to 0.1 part of defoaming agents, 15 to 20 parts of pigments, 5 to 10 parts of anti-rust materials, 7 to 20 parts of filling materials, 0.5 to 1 part of flash rust prevention auxiliary agents, 0.5 to 1 part of polyurethane thickening agents and 0.1 to 0.3 part of base material wetting agents. 3 to 5 parts of dipropylene glycol butyl ether; and 10 to 15 parts of deionized water. The preparation method comprises the following steps: carrying out chemical modification on epoxy resin, carrying out chain extension by using diethanolamine to increase the flexibility of the epoxy resin so as to obtain modified bisphenol A epoxy resin, carrying out a reaction by using polyether amine so as to prepare polyether amine modified epoxy resin with an amphiphilic structure, adding an auxiliary agent, and carrying out full mixing so as to obtain the waterborne epoxy heavy anti-corrosion coating with excellent performance.

The present invention relates to a composition, in particular a cosmetic or dermatological composition, comprising:a) at least one merocyanine compound corresponding to formula (3) below, and also the geometric isomer forms, in particular E / E or E / Z geometric isomer forms, thereof:wherein:A is —O— or —NH—;R is a C1-C22 alkyl group, a C2-C22 alkenyl group, a C2-C22 alkynyl group, a C3-C22 cycloalkyl group or a C3-C22 cycloalkenyl group, it being possible for said groups to be interrupted by one or more O; andb) dipropylene glycol.The present invention also relates to a non-therapeutic cosmetic process for caring for and / or making up a keratin material, comprising the application, to the surface of said keratin material, of at least one composition as defined above.

This invention relates to the field of coating production technology, specifically to a method and apparatus for preparing a polyetheramine-modified waterborne epoxy heavy-duty anti-corrosion coating. The polyetheramine-modified waterborne epoxy heavy-duty anti-corrosion coating comprises, by weight, 30-35 parts of modified bisphenol A epoxy resin, 3-8 parts of polyetheramine-modified waterborne epoxy resin, 0.7-1 parts of dispersant, 0.05-0.1 parts of defoamer, 15-20 parts of pigment, 5-10 parts of rust inhibitor, 7-20 parts of filler, 0.5-1 part of flash rust inhibitor, 0.5-1 part of polyurethane thickener, 0.1-0.3 parts of substrate wetting agent, 3-5 parts of dipropylene glycol butyl ether, and 10-15 parts of deionized water. This invention first chemically modifies epoxy resin by using diethanolamine for chain extension to increase its flexibility, thereby obtaining modified bisphenol A epoxy resin. Simultaneously, polyetheramine is used for its reaction to prepare polyetheramine-modified epoxy resin with an amphiphilic structure. After adding additives and mixing thoroughly, a high-performance waterborne epoxy heavy-duty anti-corrosion coating is obtained.

The application discloses a high-protection water-based outdoor wood one-coat paint and a preparation method thereof, and belongs to the field of paints. The method comprises the following steps: adding water-based acrylic resin and high-flexibility fluorine-containing acrylic emulsion into a paint mixing kettle and uniformly stirring; then adding dipropylene glycol methyl ether, dipropylene glycol butyl ether, a base material wetting agent, a defoaming agent, a scratch-resistant additive, and water into a batching kettle to obtain a dispersed mixed solution; mixing the dispersed mixed solution, modified nano cerium oxide-silicon nitride compound slurry and water-based titanium white paste again, adding micro-fine silica aerogel powder after mixing, adding isothiazolinone bactericide and tannin acid inhibitor after fine dispersion, mixing again, filtering the product after adjusting the system viscosity by adding an associated polyurethane thickening agent, and obtaining the high-protection water-based outdoor wood one-coat paint.

The present invention relates to the technical field of rubber release agents, and discloses a rubber release agent for tires and a preparation method thereof. The present invention is provided by adding quaternary ammonium salt modified polyurethane, fluorine-containing quaternary ammonium salt, and tridecafluorooctyl trimethoxysilane into a reactor, stirring, then adding dipropylene glycol dimethyl ether, and continuing to stir to obtain a rubber release agent for tires. The nano-calcium carbonate contained in the quaternary ammonium salt modified polyurethane contained in the present invention contains a large amount of hydroxyl groups, is modified, and organic matter is grafted to form an organic-inorganic composite, thereby reducing the agglomeration of nano-calcium carbonate and improving the compatibility with organic matter, and the nano-calcium carbonate itself has a good demoulding effect; the quaternary ammonium salt forms a lubricating layer on the surface of the tire mold, effectively reducing the friction and adhesion between the mold and the material, thereby playing a demoulding effect; the polyurethane itself also has a good demoulding effect.

The invention provides an ultrahigh-film-thickness two-component epoxy iron red primer and application thereof, and belongs to the technical field of coatings. The main agent comprises the following components in percentage by mass: 35-45% of AE-80 epoxy emulsion, 1-2% of a dispersing agent, 5-10% of titanium dioxide, 5-15% of mica powder, 5-10% of wollastonite, 5-10% of talcum powder, 2-10% of precipitated barium sulphate, 5-10% of iron oxide red, 5-20% of water, 0.2-0.5% of a thickening agent, 2-5% of dipropylene glycol butyl ether, 0.1-0.3% of a wetting agent, 0.3-0.5% of a silane coupling agent, 0.2-0.5% of a defoaming agent and 0.2-1% of a wetting defoaming agent; the curing agent is prepared from 50 to 70 percent of JT-WBH818 curing agent, 25 to 45 percent of water and 3 to 10 percent of flash rust inhibitor. The AE-80 epoxy emulsion can improve the film thickness of a paint film without sagging, and the JT-WBH818 curing agent is matched, so that the acid and alkali resistance is not influenced.

An aerosol-generating article (10)(100)(1000) comprises: an aerosol-generating substrate (12)(112)(1004); a downstream element (42)(150)(1008) provided downstream of the aerosol- generating substrate (12)(112)(1004) and in axial alignment with the aerosol-generating substrate, the downstream element comprising a filtration material comprising a cellulosic filtration material comprising a fibrous material; and an additive coating applied to the fibrous material, the additive coating comprising at least one of dipropylene glycol, tripropylene glycol and tetrapropylene glycol; wherein the plug element comprises at least 5 percent by weight of the at least one of dipropylene glycol, tripropylene glycol and tetrapropylene glycol based on the dry weight of the cellulosic filtration material on a dry weight basis.

The invention belongs to the technical field of rectification of dipropylene glycol, and relates to a rectification process of dipropylene glycol. The process comprises the following steps: preheating a crude product raw material containing dipropylene glycol, then feeding the crude product raw material into a pre-separation tower for pre-rectification, then feeding tower bottoms of the pre-separation tower into a packed tower for rectification, and extracting from the tower top of the packed tower to obtain a dipropylene glycol product; the interior of the packed tower is sequentially filled with modified ceramic corrugated packing, a stainless steel wire net and modified molecular sieve packing from bottom to top; the modified ceramic corrugated filler is obtained by sequentially acidizing a ceramic corrugated filler and loading SiO2 / CeO2; the modified molecular sieve filler is obtained by alkalization, calcination and SiO2 / Al2O3 loading of molecular sieve honeycomb ceramics in sequence. Through the modified ceramic corrugated filler, the stainless steel wire mesh and the modified molecular sieve filler which are sequentially arranged from bottom to top, the material transfer efficiency, the component separation precision and the operation stability of the device in the crude product raw material rectification process are optimized, and the overall process efficiency is effectively improved.

This invention relates to the field of catalyst technology, and in particular to a MgO nanocluster catalyst, its preparation method, and its application. The preparation method of the MgO nanocluster catalyst involves adding magnesium salt and long-chain diol to a solvent, and then adding a surfactant dropwise. Under heating conditions, the MgO nanocluster catalyst forms a catalyst. Due to its size-driven surface effect, the MgO nanocluster catalyst possesses a large number of oxygen vacancies and low-coordination sites, forming strongly basic catalytic active centers. The MgO nanocluster catalyst is applied to the preparation of dipropylene glycol ethers. Using propylene oxide and alcohol as raw materials, a two-stage series reactor packed with the MgO nanocluster catalyst is used for the reaction. The use of the MgO nanocluster catalyst effectively improves the conversion rate of propylene oxide and the selectivity of primary ethers. Its nanocluster structure makes it easy to separate from the product by physical methods, overcoming the difficulties of traditional heterogeneous catalysts and product separation, significantly improving production efficiency, and showing good industrial application prospects.

To provide a technique for accurately measuring a measurement target substance in a sample with high sensitivity when making measurement using a latex immunoagglutination method.SOLUTION: A method of measuring a measurement target substance in a sample using a latex immunoagglutination method is provided, the method comprising bringing the sample into contact with latex particles carrying an antibody that specifically recognizes the measurement target substance in an aqueous medium under the presence of (A) a glycine-based buffer, (B) dipropylene glycol or a derivative thereof, and (C) salts.SELECTED DRAWING: None

The invention belongs to the technical field of metal anti-rust treatment, and particularly relates to an environment-friendly water-based anti-rust composition as well as a preparation method and application thereof. The composition is prepared from the following components in parts by weight: 3 to 8 parts of a first triazine compound, 1 to 5 parts of a second triazine compound, 10 to 20 parts of 2-amino-2-methyl-1, 3-propylene glycol, 2 to 5 parts of dipropylene glycol monomethyl ether and 65 to 85 parts of water, the first triazine compound is a triazine compound with a substituent group containing a hydrophobic chain segment and at least two amino carboxylic acid substituent groups, and the second triazine compound is a triazine compound with a sulfydryl substituent group. The coordination bond and covalent bond dual anchoring protective film is formed on the metal surface through the two triazine compounds, the excellent salt mist resistance, humidity and heat resistance and film forming compactness are achieved, the salt mist test time reaches 72 hours, the humidity and heat test time reaches 960 hours, the adhesive force is 0 grade, and nitrite, phosphate and heavy metal are not contained. The preparation method is simple and convenient, is suitable for industrial production, and can be widely applied to metal anti-rust treatment in the fields of mechanical manufacturing, automobile parts and the like.

The invention discloses an overweight release agent for optical display, which is prepared from the following components in parts by mass: 10 parts of waterborne chlorinated polypropylene, 2-4 parts of waterborne polyurethane, 0.5-0.8 part of an antistatic agent, 0.01-0.02 part of nano cellulose and 4-8 parts of a solvent, the waterborne polyurethane comprises a polyethylene glycol terephthalate degradation oligomer, and the polyethylene glycol terephthalate degradation oligomer is a hydroxyl-terminated oligomer terminated by neopentyl glycol and / or dipropylene glycol. The water-based chlorinated polypropylene is adopted to prepare the high-temperature-resistant release film, the toughness of the release film is adjusted through the water-based polyurethane, the release film is suitable for products with different bending degrees, the release film is adjusted to reach the standard of overweight release force, then the types of raw materials for water-based polyurethane polymerization are improved, and the adhesive force between the ultra-thin release layer and the base material layer is improved.

The present invention discloses a weather-resistant water-based vehicle body paint and a preparation method thereof, and relates to the technical field of coatings. The weather-resistant water-based vehicle body paint of the present invention comprises, by weight, 100 parts by weight of component A, 10 to 13 parts by weight of component B, and 6 to 12 parts by weight of component C; component A comprises, by weight, 15 to 20 parts by weight of water, 35 to 40 parts by weight of weather-resistant acrylic copolymer, 1.4 to 1.6 parts by weight of dispersant, 0.08 to 0.1 parts by weight of defoamer, 9 to 11 parts by weight of anti-rust pigment, 1 to 3 parts by weight of carbon black powder, 7 to 9 parts by weight of 800-mesh sericite powder, and 11 to 13 parts by weight of modified talc, 0.15-0.2 parts by weight of wetting agent, 1.5-2 parts by weight of catalyst, 0.3-0.35 parts by weight of thickener, 3-3.5 parts by weight of co-solvent ethylene glycol monobutyl ether; component B includes, by weight: 95-98 parts by weight of aqueous epoxy emulsion, 2-2.5 parts by weight of film-forming aid dipropylene glycol butyl ether, 2-5 parts by weight of water, and 0.3 part by weight of ammonium persulfate; component C includes, by weight, 4-8 parts by weight of fluorosilicone and 2-4 parts by weight of water.

To provide a foamable aqueous tightening cosmetic composition having excellent foamability, an excellent tightening feeling, an excellent touch with less dry and stiff feeling and sticky feeling.SOLUTION: A foamable aqueous tightening cosmetic composition contains the following component (A) to component (E), the blending amount of the component (C) is 0.1 mass% or more and 20 mass% or less based on the total composition of the cosmetic composition, and the blending amount of the component (E) is 0.1 mass% or more and 3 mass% or less based on the total composition of the cosmetic composition. (A) At least one kind selected from the group consisting of oily vitamin C and a derivative thereof, and at least one kind selected from the group consisting of aqueous vitamin C and a derivative thereof, (B) plant extract extracted from at least one kind of plant selected from the group consisting of Myrtales of the family Myrtaceae, Myrtales of the family Lythraceae, Sapindales of the family Rutaceae, Rosales of the family Rosaceae, and Fabales of the family Leguminosae, (C) at least one kind selected from the group consisting of glycerol, polyethylene glycol, butylene glycol, propanediol, dipropylene glycol and ethyl alcohol, (D) tartaric acid, and (E) nonionic surfactant.SELECTED DRAWING: None

The invention discloses herbal plant-extracted whitening and freckle-removing brightening cream and a production process thereof, and relates to the technical field of cosmetics. Adding glycerol, butanediol and water into an emulsifying pot, heating and uniformly stirring, preserving heat, and cooling; according to the invention, cetostearyl alcohol, isononyl isononanoate, nicotinamide, polydimethylsiloxane, dipropylene glycol, a rice fermentation product filtrate, a hedyotis diffusa extract, p-hydroxyacetophenone, glyceryl stearate, tocopheryl acetate, carbomer, triethanolamine, a mulberry fruit extract, tea polyphenol, a tea leaf extract, isohexadecane, and a citrus peel extract are sequentially added into the rice fermentation product filtrate; the preparation method comprises the following steps: heating components such as isosorbide dimethyl ether, a lactobacillus / pomegranate fruit fermentation product extract, xanthan gum, sodium hyaluronate, a glycyrrhiza glabra root extract and nonapeptide-1, uniformly stirring, and cooling. The plant extracts are synergistically prepared, the preparation process is simple and easy to implement, and the prepared face cream is good in stability, can whiten skin, fade pigment and maintain and stabilize skin, and is high in use safety.

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

The application provides a low-deuterium water red ginseng and rhodiola compound mask as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The low-deuterium water red ginseng and rhodiola compound mask provided by the application comprises the following raw materials: a red ginseng and rhodiola compound, low-deuterium water, hydroxyethyl cellulose, carbomer-980, carbomer-981, panthenol, 1,2-hexanediol, p-hydroxyphenylacetone, glycerol, dipropylene glycol, beta-glucan, sodium alginate, disodium EDTA, betaine, allantoin, 1,3-butanediol, PEG-40 hydrogenated castor oil and tromethamine; the red ginseng and rhodiola compound is composed of red ginseng extract and rhodiola extract. The low-deuterium water red ginseng and rhodiola compound mask provided by the application has the effects of antioxidation, whitening and anti-photoaging, and can realize synergistic whitening and anti-photoaging.

The invention relates to the technical field of waterborne polyurethane coatings, and discloses a two-component high-wear-resistance waterborne polyurethane coating for paper package surface protection and a preparation method thereof. The water-based paint comprises the following components in percentage by adding: 20% of water-based matte polyurethane, 30% of a water-based acrylic polymer, 45% of water-based bright polyurethane, 0.5% of dimethylethanolamine, 0.3% of a water-based organic silicon defoaming agent, 1.5% of pasty ultra-high molecular weight polydimethylsiloxane dispersion liquid, 0.2% of a water-based organic silicon flatting agent, 2% of dipropylene glycol butyl ether, 0.2% of an organic tin drier and 0.2% of a Digao TEGO WET 270 base material wetting agent. And 0.4% of a polyether polyurethane associated rheological additive with 25% of active parts. The problems that a traditional paper package surface protection technology is long in degradation period, poor in environmental protection property and low in quality are effectively solved.

The present invention relates to two-component composition for preparing polyurethane,PU foam wound dressing, said composition comprising a first polyol-based mixture component comprising a polyether polyol comprising high-reactivity-capped polyether triol, water, a tertiary amine catalyst in a solution of dipropylene glycol, an emulsifier and pH buffer, a curing agent with a bi-functional organic compound, a foaming agent, a delayed-action blowing catalyst, and a silicone co-surfactant, and copper and chitosan and a second prepolymer based component comprising diphenyl methane diisocyanate,MDI-based prepolymers, characterized in that, said PU foam wound dressing is infused with copper and chitosan as antimicrobial agents.

To provide a water-based inkjet ink that has excellent ejection stability regardless of the design resolution of an inkjet head to be mounted and the amount of droplets ejected, and that can give printed matter that is also excellent in solid coverage, blocking resistance, and alcohol resistance. [Solution] This aqueous inkjet ink contains a colorant, a binder resin, a water-soluble organic solvent, and a surfactant, wherein the binder resin contains a resin (R1) having a glass transition temperature of 50 to 130°C, the water-soluble organic solvent contains dipropylene glycol monopropyl ether (S1), and the surfactant contains a surfactant having an HLB value of 10 or less, and the ratio of the content of dipropylene glycol monopropyl ether (S1) to the total content of the water-soluble organic solvent and the total content of the resin (R1) is specified.

The present application provides a kind of human umbilical cord mesenchymal stem cell secretory exosome and anti-aging essence based on the exosome and its preparation method and application.By activating Wnt / β-catenin signaling pathway, the yield of exosome and the secretion amount of miR-21 are significantly improved, and the purity and biological activity of exosome are effectively purified by using microfluidic technology. The essence formula contains exosome, HA-Lipo composite carrier, asiaticoside microspheres and dipropylene glycol, and has good skin repair and anti-aging effect. Animal experiments have verified that the essence of the present application can effectively improve skin wrinkles, epidermal thickness and skin barrier function in UVB-induced skin photoaging model, and its molecular mechanism is related to the regulation of collagen metabolism. The essence has significant application prospect in the field of skin beauty and anti-aging.

The invention provides a water-based electrosilvering coating for an automobile hub and a preparation method of the water-based electrosilvering coating, and belongs to the technical field of paints.The preparation method of the coating comprises the following preparation steps that deionized water, a dispersing agent, a water-based hydroxyl acrylic acid dispersion, a defoaming agent, a flatting agent and dipropylene glycol monobutyl ether are evenly mixed, pH is adjusted, and a premixed resin material is obtained; the preparation method comprises the following steps: mixing an ethanol solution with cyanomethyl [3-(trimethoxysilyl) propyl] trithiocarbonate, adding glacial acetic acid and water-based aluminum paste, stirring, filtering, washing, dispersing in deionized water, adding a sulfobetaine methacrylate monomer and potassium persulfate, heating, reacting, cooling, filtering, washing, mixing with deionized water, and drying to obtain the water-based aluminum silver paste. Modified water-based aluminum paste is obtained; and mixing and stirring the premixed resin material and the modified water-based aluminum paste, adjusting the viscosity and pH of the paste, filtering, standing and curing to obtain the water-based electrosilvering coating for the automobile hub. A coating prepared from the coating has good hardness and corrosion resistance.

The invention particularly relates to a deep moisturizing skin moisturizer based on compound plant essence and a preparation method of the deep moisturizing skin moisturizer. The skin moisturizer is prepared from water, dipropylene glycol, glycerol, betaine, panthenol, trehalose, acetylchitosamine, tetrahydromethylpyrimidine carboxylic acid (Ectoin), crithmum maritimum stem cell extract, aloe extract, witch hazel extract, dipotassium glycyrrhizinate, nicotinamide, a thickening agent, a preservative and a pH regulator. According to the skin moisturizer disclosed by the invention, through innovative component compounding and component synergism, the integrated effect of'moisturizing, water locking, repairing and protecting 'is realized, instant moisturizing is realized, long-acting water locking, skin barrier repairing, anti-inflammatory and anti-photoaging effects can be integrated, and the skin state can be improved for a long time. Components obtained by adopting rare plant stem cells and a plant extraction technology are green and sustainable, and the efficacy density is far higher than that of a traditional product with a single function; the traditional Chinese medicine composition is remarkable in effect, mild and safe and has great market competitiveness.