80results about How to "Good moisturizing effect" patented technology

The invention provides a hydroxytyrosol supramolecular compound and a preparation method and application thereof, and belongs to the technical field of cosmetics and biological medicine, the supramolecular compound comprises the following chemical components by mass: 0.01-10% of hydroxytyrosol, 2-45% of an amino acid compound, 2-20% of alpha hydroxy acid, 2-30% of urea, and 15-92% of water. The supramolecular compound can promote transdermal delivery of hydroxytyrosol and maintain the biological activity of hydroxytyrosol, shows high biocompatibility, and can be applied to product development in the antibacterial field, the regeneration field and the anti-aging field.

The invention provides a method for preventing and controlling nitrogen and phosphorus loss of sandy and dry cultivated land based on EICP root reinforcement and relates to the field of soil ecological protection and agricultural pollution prevention and control. According to the method, a three-dimensional prevention and control system is formed from the two dimensions of surface layer film covering protection and deep root system soil fixation through the synergistic effect of EICP film covering and local plant root system three-dimensional reinforcement, wind erosion and water erosion are effectively resisted, the soil nitrogen and phosphorus loss rate of the large-gradient sandy and dry cultivated land is remarkably reduced, and meanwhile the soil desertification process is slowed down; the EICP film covering layer has good water permeability and moisture retention, nitrogen and phosphorus loss can be prevented, rainfall infiltration and soil moisture conservation can be guaranteed, and the germination rate and the growth speed of crops are increased; according to the method, local crop root system reinforcement is selected, the original planting structure is not disturbed, the economic benefit of cultivated land yield per mu is guaranteed, a harmless means of combining microorganisms, geotechnical engineering and agricultural planting is adopted, external pollution sources are not introduced, original basic characteristics of soil are not damaged, and the requirement for ecological protection of the Yellow River basin is met.

The application belongs to the technical field of road shoulder slip form, and specifically relates to an integrated shoulder protection slip form hopper with a concrete clumping prevention function, which comprises a stock bin and a screw feeder, the top of the stock bin is provided with a moisturizing cover plate, the moisturizing cover plate comprises a fixed cover plate and a movable cover plate in sliding fit, the bottom of the fixed cover plate is provided with a first sealing strip for sealing the inner side end and the front and rear ends of the top of the stock bin, the outer side of the bottom of the movable cover plate is provided with two second sealing strips in front and back opposite distribution through a rotating shaft, a spraying channel is symmetrically arranged inside the movable cover plate, and the bottom of the spraying channel is provided with a spraying hole. The moisturizing cover plate has the advantages of reducing water loss of the stock bin, spraying water flow into the stock bin and cooling the stock bin, and can prevent concrete clumping, thereby solving the problem of easy clumping of concrete in the stock bin in the prior art.

The invention relates to the technical field of medical biological materials, and discloses a mussel mucin-chondroitin sulfate composite hydrogel and a preparation method and application thereof, and the preparation method comprises the following steps: respectively preparing a mussel mucin aqueous solution and a chondroitin sulfate aqueous solution; the mass volume concentration of the mussel mucoprotein aqueous solution is 1%-10%, the mass volume concentration of the chondroitin sulfate aqueous solution is 1%-10%, the mass ratio of the mussel mucoprotein to the chondroitin sulfate is 3: 1-1: 3, the two solutions are mixed and stirred or oscillated under the conditions that the temperature is 4-37 DEG C and the pH value is 7.0-9.0, a cross-linking reaction is conducted, and hydrogel is formed; the cross-linking mode is physical cross-linking, chemical cross-linking or physical-chemical dual cross-linking; according to the invention, excellent tissue adhesion, injectability, self-healing property and biodegradability are realized, cell adhesion and proliferation can be effectively promoted, and the gel is suitable for various medical beauty scenes such as skin filling, wound repairing and anti-aging nursing.

This invention belongs to the field of cosmetic technology and discloses a composition containing polypeptides, its preparation method, and its application. The composition provided by this invention comprises: polypeptides and a solubilizing and penetration-enhancing complex; the polypeptides include at least one selected from Codonopsis pilosula cyclic peptide B, conopeptide, carnosine, acetyl tetrapeptide-5, acetyl hexapeptide-8, and nonapeptide-1; the solubilizing and penetration-enhancing complex comprises the fermentation product filtrate of Kluyveromyces lactis / Ganoderma lucidum fruiting body extract, polyols, polysorbate, and ferulic acid. The composition provided by this invention, through the synergistic effect between its components, can effectively improve the solubility and stability of the polypeptides, preventing precipitation or exudation, while effectively promoting the transdermal absorption of the polypeptides; the composition provided by this invention has excellent antioxidant and anti-aging effects.

The present application discloses a kind of hibiscus compound extract, its preparation method and application.The composite extract includes hibiscus exosome, hibiscus traditional active ingredient, snowbank flower extract and microalgae extracellular polysaccharide, wherein the hibiscus exosome and hibiscus traditional active ingredient are simultaneously extracted from hibiscus raw materials by integrated extraction process.The preparation method includes raw material pretreatment, integrated extraction, separation and purification, synergistic compounding and post-processing, and two types of active substances are efficiently and synchronously obtained by optimizing solvent, temperature, time and purification parameters.The composite extract exhibits excellent anti-aging, anti-inflammatory and moisturizing effects in cosmetics, and has excellent effects of regulating intestinal flora and enhancing immunity in functional foods.The process produces significant synergistic effect by combining specific synergistic components, and the effect is much better than single component or simple mixture, realizing the maximization of plant resources and the synergistic promotion of efficacy.

The present application relates to the cosmetic technical field, especially to a composition, a liposome thereof and application in preparing skin care products, wherein NAD, ergothioneine, boswelia, ectoine and glutathione are combined, the obtained composition can have good moisturizing, skin elasticity improving, redness removing and repairing effects, and has synergistic effects in moisturizing, skin elasticity improving and other aspects. The preparation of the liposome improves the stability and permeability of the composition, so that it can play a better effect when used as a skin care product.

The application discloses an eye lotion containing PHMB and a preparation method thereof, and belongs to the field of eye care preparations. The eye lotion takes PHMB as a bacteriostatic component, is matched with isotonicity regulators, buffers, humectants and EDTA2Na, and simultaneously adds trehalose and allantoin to construct a synergistic stable protection system. The eye lotion is prepared through a process flow of low-temperature light-shielding, preparation of a base liquid first and then addition of PHMB, two-stage sterilization filtration and aseptic filling. The application solves the technical problems that PHMB is easy to degrade in a liquid preparation, has poor stability, and the effective component is easy to attenuate after opening and use. Meanwhile, EDTA2Na and PHMB have a synergistic effect, trehalose and allantoin further stabilize the PHMB structure from a molecular level and inhibit oxidative degradation, so that the product can realize wide-spectrum and high-efficiency bacteriostasis at a low concentration. The obtained eye lotion is mild and non-irritating, clear and stable, and can still maintain stable physicochemical and bacteriostatic properties for a long time after opening, is suitable for industrial production, and can be used for daily eye cleaning, flushing, moisturizing and bacteriostatic care.

This invention discloses a self-thickening, moisturizing, and oil-controlling gentle facial cleanser and its preparation method, belonging to the field of cosmetic technology. The raw materials are composed of the following percentages by weight: rhamnolipin 2%~8%, alkyl glycoside 5%~15%, cationic polymer 0.1%~1.5%, moisturizer 2%~6%, plant extract 0.5%~3%, pH adjuster (the amount needed to adjust the system pH to 5.0~7.0), preservative 0.1%~1.0%, and water as the balance. Through the ternary system of rhamnolipin-alkyl glycoside-cationic polymer, self-thickening and foam stability are achieved through electrostatic interaction and steric hindrance synergy, without relying on traditional thickeners such as carbomer. Simultaneously, it possesses excellent moisturizing and oil-controlling properties, with an oil removal rate ≥89%, a skin moisture content increase of ≥15% after 4 hours of use, and an oil secretion inhibition rate of ≥20% after 4 hours, with extremely low irritation. This invention solves the technical problem of low viscosity and poor foam performance in the rhamnolipin and alkyl glycoside compound system.

This invention discloses a liquid crystal cream with high penetration capability, its preparation method, and its application. The liquid crystal cream comprises: an oleophilic emulsifier, a hydrophilic emulsifier, long-chain fatty alcohols and esters, and the remainder being humectants, thickeners, chelating agents, emollients, preservatives, active ingredients, and deionized water. This invention's small liquid crystal moisturizing cream has an excellent skin feel, good absorption, is breathable and non-comedogenic, and can form a biomimetic moisturizing film with good skin affinity on the skin, enhancing skin hydration and moisturizing ability, effectively improving skin condition, and achieving the effect of protecting and repairing the skin barrier. The system exhibits good long-term stability and a complete liquid crystal structure. Furthermore, tests show that this small liquid crystal cream has a significant penetration effect on both oil-soluble and water-soluble active ingredients. It is expected to achieve better skincare effects by incorporating different active ingredients in the field of functional skincare cosmetics.

The application discloses a hemp leaf anti-aging mask and a preparation method thereof, and belongs to the field of cosmetics. The mask base of the hemp leaf anti-aging mask comprises the following components: hemp leaf extract 0.1-2 parts, hyaluronic acid 10-20 parts, flower and grass essential oil 5-10 parts, glycerol 1-10 parts, carbomer 1-5 parts, ethanol 10-20 parts and water 500-5000 parts. The hemp leaf anti-aging mask has good stability, good skin adhesion, comfortable and refreshing skin, good water moistening property, and after use for a certain period of time, the nasolabial folds are shallower, the anti-wrinkle effect is achieved, and the skin is obviously whitened.

The utility model relates to the field of agricultural mulching films, mainly aims to solve the problem that the existing PBAT agricultural mulching film is insufficient in ultraviolet shielding effect, and provides an anti-ultraviolet PBAT composite degradable agricultural mulching film which is characterized by comprising a front packaging layer 1 serving as an illuminated surface, an ultraviolet shielding layer 2 and a back packaging layer 3 serving as a soil contact surface which are sequentially stacked, the ultraviolet shielding layer 2 comprises a structural body formed by compounding PBAT and a nanoscale ultraviolet shielding material, the nanoscale ultraviolet shielding material is of a micro-nano composite structure formed by uniformly mixing a nano sheet layer and a micron sheet layer in the ultraviolet shielding layer 2, and the nanoscale ultraviolet shielding material is arranged in a PBAT matrix in an oriented mode to form a brick mud structure. The PBAT degradable composite mulching film can effectively ensure visible light transmission and excellent mechanical properties, can reduce aging and degradation of the mulching film caused by ultraviolet radiation, and can be expected to be used in the agricultural field, especially in the agricultural field especially needing anti-ultraviolet shielding.

The application discloses a large-volume concrete surface maintenance method based on electric field regulation, and comprises the following steps: preparing a polymer gel containing a nano-silica aqueous solution; coating the polymer gel on a concrete surface to be maintained, and standing for 2-5 hours to form a 2-5 cm polymer gel film; applying an electric field to the polymer gel film according to needs, controlling the voltage at 5-20 V, and controlling the time at 20-40 minutes to promote the nano-silica aqueous solution to be released to the concrete surface; and further comprising the steps of removing the electric field, supplementing the nano-silica aqueous solution to the polymer gel film until the original state is restored; the application coats a layer of 'absorbing solution-releasing solution' reversible maintenance film on the concrete surface, the absorbing solution provides good moisturizing effect in the initial maintenance stage, and the waste of water resources is reduced; in the maintenance process, the aqueous solution containing nano-silica and other substances is released through external electric field stimulation response, internal cracks of the concrete are filled and repaired, and the overall strength and compactness of the concrete are improved.

The application discloses oily gel microbeads, a preparation method thereof, skin care products and application. The oily gel microbeads comprise polar oil 60-93%, oil phase gel 5-30%, low freezing point oil 2.5-20% and semi-solid oil 0.1-5%, % is the mass percentage of each component in the total mass of the gel microbeads; the polar oil is one or more of glyceryl tri(ethylhexanoate), white pool seed oil, isononyl isononanoate, dicaprylyl carbonate, diethylhexyl carbonate, C12-15 alcohol benzoate, isopropyl myristate, ethylhexyl stearate, ethylhexyl palmitate, castor seed oil, wheat germ oil, sunflower seed oil, wild soybean oil and coconut oil; the freezing point of the low freezing point oil is lower than-65 DEG C. The oily gel microbeads prepared by the application have good low-temperature stability, are spherical in shape, have good uniformity, are easy to spread and absorb, have strong skin adhesion, and have strong moisturizing and repairing functions.

The utility model discloses a high moisturizing facial mask which comprises a facial mask body packaged between two packaging films, a liquid guide film is integrally formed on the outer wall of the facial mask body, a connecting film is arranged on the outer wall of the liquid guide film, and storage bags are fixed to the outer walls of the two sides of the connecting film respectively. According to the mask, part of essence located on the mask can flow downwards through the gravity of the essence, flow to the connecting film through the mask body at the bottom of the mask and then be absorbed by the sponge blocks in the storage bags on the two sides of the connecting film, the essence on the mask is prevented from dripping on clothes or the ground of a user, the user can tear off the connecting film through the tearing notch, and the mask is convenient to use. Then, the storage bags and the connecting film are integrally moved to the part where the mask becomes dry, the two storage bags are squeezed with fingers, essence collected in the sponge block is squeezed to the part where the mask body becomes dry, a user panel can continue to absorb the essence, the utilization effect of the essence is improved, and meanwhile, the essence can be effectively absorbed. The moisturizing effect of the mask on the face of the user is improved.

The utility model relates to the peony cultivation field discloses a seedling transfer case of peony medicinal plant cultivation, including transfer case main part, the bottom of transfer case main part is provided with the anti -collision seat, the top of transfer case main part is detachably installed with the box cover, the bottom fixedly connected with the water collecting box of transfer case main part inside, the top detachably installed with the water filter board of water collecting box, the both sides fixedly connected with the fixed base of water filter board top, the top fixedly connected with the micro - water pump of both sides of transfer case main part inside, the output fixedly installed with the moisturizing nozzle of micro - water pump. This seedling transfer case of peony medicinal plant cultivation is inside the water collecting box setting and is convenient to peony seedling to carry out the moisturizing, and the timing module in the micro - water pump can open the micro - water pump in time when transferring, and the micro - water pump sends the water in the water collecting box inside to the moisturizing nozzle, and the moisturizing nozzle sprays the water on the seedling and can moisturize, reduces the function of water loss, solves the problem that water loss is serious.

The invention discloses medical amorphous hydrogel and a preparation method thereof, and relates to the technical field of medical amorphous hydrogel, and the medical amorphous hydrogel is prepared from the following components by mass: 0.2-3% of a gel matrix; 0.1%-0.8% of a thickening agent; 0.8%-5% of a humectant; 0.01%-0.4% of a preservative; 0.2%-0.5% of a neutralizing agent; and the balance of purified water. The amorphous hydrogel provided by the invention can be tightly attached to a burn wound surface, not only can be used for moistening the wound surface and efficiently absorbing or discharging wound surface seepage, but also can be used for absorbing wound surface energy so as to relieve pain and cool skin, and meanwhile, air pollution protection is realized by virtue of a base material, so that an excellent environment is provided for healing of the burn wound surface.

This invention discloses a herbal compound-based hair growth and anti-hair loss conditioning cream and its low-temperature preparation process, relating to the fields of cosmetics and scalp care technology. Specifically, it is a herbal compound-based hair growth and anti-hair loss conditioning cream and its low-temperature preparation process. The conditioning cream contains, by weight, herbal active ingredients such as ginseng, arborvitae leaf, duckweed, soapberry, angelica, chuanxiong, rosemary, ginger, asarum, and mulberry bark, as well as functional and matrix excipients such as sodium hyaluronate, cocoyl glucoside, carbomer 940, phenoxyethanol, and ethylhexylglycerin. Its preparation process employs low-temperature treatment throughout, including low-temperature extraction at room temperature to 50℃ and ultrasonic extraction at 200-800W, as well as low-temperature blending with low-speed stirring at 25-40℃, effectively preserving the active herbal ingredients. This product can improve scalp microcirculation, repair hair follicles, and regulate sebum secretion, suitable for various types of hair loss, while also relieving scalp itching and repairing damaged hair.

The application provides a kind of eye drop composition and its preparation method and application, belong to ophthalmic preparation technical field.The eye drop composition used in the application includes the following components: brimonidine tartrate, hyaluronic acid, collagen, trehalose, injection water;By compounding each component, a kind of eye drop capable of realizing brimonidine tartrate sustained release, prolonging the time of antihypertensive effect, and having the characteristics of reducing blinking discomfort, long-acting moisturizing, anti-inflammatory soothing, mild antiseptic, etc. is prepared;The eye drop of the application is helpful to glaucoma, high eye pressure, dry eye, postoperative inflammation or allergy, preservative-sensitive or preservative-allergic population, improves the quality of life, relieves the disease.

The invention relates to the technical field of nursing materials, and discloses eye washing liquid for relieving eye fatigue and a preparation method thereof.The eye washing liquid is prepared from trehalose, taurine, sodium gualenate, sodium hyaluronate, ergothioneine, vitamin B12, vitamin B6, xanthophyll, mint, a humectant, a bacteriostatic agent, a chelating agent, a pH regulator and deionized water. Through the synergistic effect of the first synergistic composition and the second synergistic composition, retina cell injury induced by blue light can be effectively repaired, the repairing effect is superior to that of simple addition of a single component, blue light oxidative injury is repaired through a multi-target synergistic mechanism, a three-layer structure of a tear film lipid layer, a water layer and a mucoprotein layer can be reconstructed, and the repairing effect is good. According to the present invention, the tearable film stability is significantly improved, the excellent protection and repair effect is provided, the compatibility of the components is good, the product stability is high, and the multiple effects of ocular surface cleaning, asthenopia relieving, conjunctival congestion reducing and blue light oxidation damage preventing are provided.

This invention proposes a culture medium and cultivation method for Tremella fuciformis, belonging to the field of Tremella fuciformis cultivation technology. It is prepared from the following raw materials in parts by weight: 0.5-1 parts antibacterial agent, 5-7 parts traditional Chinese medicine residue, 3-5 parts sugarcane bagasse, 2-3 parts fermentation extract, 30-40 parts cottonseed hulls, 7-10 parts wheat bran, 0.5-1 part gypsum, and 50-60 parts sterile water. The Tremella fuciformis culture medium obtained by this invention can significantly inhibit the growth of pathogenic bacteria during cultivation, reduce the pathogenicity rate, and increase the yield of Tremella fuciformis. Simultaneously, it increases the content and efficacy of active substances in Tremella fuciformis, producing selenium-enriched Tremella fuciformis polysaccharide. The active substances exhibit excellent antioxidant, anti-inflammatory, anti-tumor, moisturizing, hypoglycemic, hypolipidemic, and cardiovascular protective effects. Using this invention's culture medium, along with a suitable ratio of Tremella fuciformis and Clematis chinensis symbiotically, provides a new method and material for Tremella fuciformis cultivation, resulting in Tremella fuciformis with better utilization value and broad application prospects.

The utility model discloses a geotextile positioning device for concrete guardrail maintenance, and belongs to the technical field of geotextile positioning. A geotextile positioning device for concrete guardrail maintenance comprises a device body, the device body comprises a rotating shaft, a first positioning piece and a second positioning piece which are hinged to each other are arranged at the rotating shaft, and the first positioning piece is provided with a first attaching part attached to the outer wall of the outer side of a concrete guardrail; the second positioning piece is provided with a second attaching part attached to the outer wall of the inner side of the concrete guardrail; the first positioning piece and the second positioning piece are each provided with a balance weight piece. The first attaching part of the first positioning piece is attached to the outer wall of the outer side of the concrete guardrail, and the second attaching part of the second positioning piece is attached to the outer wall of the inner side of the concrete guardrail, so that the geotechnical cloth covering the guardrail is fixed, and the phenomenon that the geotechnical cloth is not attached to the surface of the guardrail due to the influence of the external environment is prevented.

The application discloses an extraction method of sturgeon oil with skin repair function, which comprises the following steps: S1, preparation of crude fish oil of fish fat; S2, preparation of crude fish oil of fish liver; S3, preparation of crude fish oil of fish skin; S4, degumming and deacidification; and S5, refining. The fish oil extracted from different parts of sturgeon is mixed according to a specific proportion, the fish fat fish oil, the fish liver oil and the fish skin oil are mixed, and three kinds of functional components are added in the extraction process respectively, i.e. dihydroquercetin (providing antioxidant protection), phosphatidylserine (enhancing cell membrane repair and nutrient absorption) and curcumin (bringing anti-inflammatory and whitening effects), so that a multiple synergistic formula system is formed, and the prepared sturgeon oil is significantly enhanced in the repair function on the skin, and the bioavailability and stability of the product are improved.

This invention belongs to the field of fiber material technology, and relates to a composite fiber containing nano-natural tea fiber, its preparation method, and its application. The raw materials for preparing the composite fiber include nano-natural tea fiber and basic fiber pulp, wherein the nano-natural tea fiber is a yerba mate nanofiber microemulsion. This invention integrates nanotechnology into the preparation of natural tea fiber. The microemulsion method allows for the simultaneous and uniform dispersion of multiple effective components from tea leaves in the yerba mate nanofiber microemulsion, effectively showcasing the multifunctionality of the fabric. The microemulsion system exhibits high uniformity and long-term stability, eliminating the need for additional surfactants during spinning to achieve high dispersion of the nano-tea fiber in the spinning solution, ensuring the long-lasting effectiveness of the resulting functional fabric. Furthermore, yerba mate contains abundant tea polyphenols and unique yerba mate alkaloids, which further enhance the overall performance of the composite fiber.

The invention discloses a sun-screening and repairing cosmetic composition as well as a preparation method and application thereof. The sun-screening and repairing cosmetic composition is prepared from the following components in parts by mass: 0.5 to 50 parts of a physical sun-screening agent, 0 to 30 parts of a chemical sun-screening agent, 0.5 to 20 parts of a humectant, 0.05 to 5 parts of an antioxidant, 1 to 5 parts of an emulsifier and 0.1 to 5 parts of other auxiliary components, the physical sun-screening agent comprises zinc oxide and / or titanium dioxide; the particle size of the zinc oxide and / or the titanium dioxide is greater than 100nm, and the radius-thickness ratio of the zinc oxide and / or the titanium dioxide is (30-40): 1. The sunscreen and repair cosmetic composition provided by the invention has the effects of efficient sunscreen, anti-oxidation repair, moisturizing and soothing, and can be widely applied to preparation of various sunscreen and repair cosmetics such as sunscreen cream, sunscreen emulsion, sunscreen spray and the like.

The utility model provides a concrete sleeper secondary maintenance device, and relates to the technical field of concrete sleeper maintenance, the concrete sleeper secondary maintenance device comprises a secondary maintenance workshop, the secondary maintenance workshop comprises a window, a concrete sleeper placing rack, an electric sunshade curtain, an illumination sensor, a temperature and humidity sensor, a temperature and humidity adjusting part, a driving assembly, a humidifying box, an atomizing nozzle and a water supply assembly; according to the device, in the secondary curing process of the concrete sleeper, the concrete sleeper can be prevented from being exposed to strong light by means of the electric sunshade curtain and the illumination sensor, then the problem that water of the concrete sleeper evaporates too fast is solved, then the watering curing frequency is reduced, and the phenomenon that the surface of the concrete sleeper is cracked due to long-time exposure is avoided; in addition, the concrete sleepers are sequentially humidified and cured in a water mist spraying mode, the moisturizing effect of the concrete sleepers is good, and the quality of products after secondary curing is improved.

The present application provides a visible light crosslinking composite gel type hemostatic dressing, comprising 1-55% methacrylated natural polymer, 0.0001-0.05% visible light initiator, 2-15% thickening agent; the method for preparing the hemostatic dressing comprises the following steps: firstly, preparing a visible light initiator solution, and dissolving the methacrylated natural polymer with the visible light initiator solution to obtain solution A; dissolving the thickening agent with deionized water or a phosphate buffered saline solution to obtain solution B; uniformly mixing solution A and solution B to obtain the visible light crosslinking composite gel type hemostatic dressing. The present application (1) is suitable for first aid hemostasis; (2) is solidified under visible light irradiation and closely adheres to the wound tissue; (3) has good adhesion, flexibility and moisturizing property after being solidified under visible light irradiation, and has a certain healing promotion effect.

The present application provides a kind of organic silicon modified hyaluronic acid, modified liquid silicone elastomer and its preparation method and application;The organic silicon modified hyaluronic acid includes the following preparation raw materials: hyaluronic acid and vinyl single seal head;The modified liquid silicone elastomer preparation raw materials include the following components: (A) hyaluronic acid with olefinic unsaturated group;(B) organic polysilane with at least two olefinic unsaturated groups;(C) organic polysiloxane containing at least two SiH groups;(D) carrier fluid;(E) silicon hydrogen addition catalyst;The component (A) is the above-mentioned organic silicon modified hyaluronic acid.The present application introduces the organic silicon modified hyaluronic acid into the organic silicon elastomer segment, and obtains the organic silicon elastomer with excellent spreading, smooth feeling, no sticky wet feeling and transparency.In addition, the present application obtains the modified organic silicon elastomer gel in liquid form, which can be directly applied to various daily chemical products.

This invention discloses a method for preparing a high-oil-content O / W film-forming formulation, comprising the following steps: Step 1, raw material pretreatment and screening; Step 2, preparation of the oil phase component; Step 3, preparation of the aqueous phase component; Step 4, primary pre-emulsification treatment; Step 5, high-pressure homogenization and fine emulsification; Step 6, compounding of film-forming aids and system conditioning; Step 7, vacuum degassing treatment; Step 8, low-temperature curing and stabilization treatment; Step 9, molding, coating and curing film formation; Step 10, post-treatment and quality inspection. This invention employs nonionic and anionic compound emulsification, combined with multi-stage high-pressure homogenization and interface modifier optimization, to achieve uniform oil droplet size distribution and effectively suppress stratification, demulsification, and flocculation phenomena under high oil-phase ratios. Through a low-temperature segmented curing process, the emulsifier is fully adsorbed and arranged at the oil-water interface, enhancing the strength and toughness of the interfacial film, while simultaneously improving the compatibility between the film-forming agent and the emulsification system.

The utility model relates to the technical field of agricultural engineering, and discloses an agricultural thick film laying device which comprises a rack, adjusting mechanisms are fixedly connected to the left side and the right side of the inner wall of the rack and used for adjusting the film covering height according to the terrain and achieving double-layer film covering, and rotating mechanisms are fixedly connected to the left side and the right side of the outer wall of the rack and used for adjusting the film covering height according to the terrain. The rotating mechanism is used for adjusting the soil covering angles of the soil covering wheels, a flattening mechanism is rotatably connected to the rear side of the outer wall of the rack, a plurality of mounting shafts are fixedly connected to the left side and the right side of the inner wall of the rack, the soil covering wheels are fixedly connected to the left side and the right side of the outer wall of the rack, and the adjusting mechanism comprises a plurality of moving frames. The multiple movable frames are fixedly connected to the left side and the right side of the inner wall of the rack. According to the utility model, when the height is adjusted, an operator only needs to manually press the handle, and the rapid separation of the handle and the clamping groove can be realized by virtue of the elastic action of the spring I and the spring II and the rotation of the connecting shaft.