902 results about "Resorcinol" patented technology

Provided are a whitening and freckle-removing composition, a gel, a preparation method therefor, and a use thereof, relating to the technical field of skin-care products. The whitening and freckle-removing composition comprises tranexamic acid, nicotinamide, 4-butylresorcinol, licorice extract, 3-o-ethyl ascorbic acid, and glutathione. For the whitening composition, by inhibiting the activity of tyrosinase, blocking the transfer of melanin from melanocytes to keratinocytes, and inhibiting the formation and accumulation of melanin by means of multiple mechanisms including oxidation resistance, and by means of the synergistic action of all components, cosmetic benefits of whitening and freckle-removing are achieved. The whitening and freckle-removing gel has a simple preparation method, has a mild and non-sensitizing formula, is safe and non-irritating, and is suitable for large-scale production and application.

Methods for preparing a salt of urolithin A and, in turn, urolithin A. Combining in an alkaline aqueous solution a copper-containing catalyst, 2-bromo-5-hydroxybenzoic acid, and resorcinol produces a salt of urolithin A. Urolithin A has been prepared by protonating a salt of the compound.

The invention discloses a preparation method of an amphiphilic carbon dot, the amphiphilic carbon dot and application of the amphiphilic carbon dot. According to the amphiphilic carbon dots, at least one of phenol, catechol, resorcinol or hydroquinone is used as a first precursor, and at least one of urea, aniline, o-phenylenediamine or 1, 2, 4-triaminobenzene is selected as a second precursor; after mixing and dissolving, reacting for 4-8 hours under the condition of 180-220 DEG C to prepare initial carbon dots; separating and purifying the initial carbon dots in a chromatographic column, collecting a second component, removing the solvent through rotary evaporation, and drying to obtain the amphiphilic carbon dots. The degreasing agent prepared from the obtained amphiphilic carbon dots has strong adsorption capacity, low toxicity and good stability, can effectively remove oil stains, has the characteristic of low foam in the use process, simplifies the cleaning process and improves the efficiency.

The invention relates to a eutectic microcapsule wrapping technology and application thereof in cosmetics, and belongs to the technical field of cosmetic production. The wall material of the eutectic microcapsule inclusion comprises at least one of hydrogenated lecithin, caprylic / capric triglyceride, sucrose stearate, PEG-8 caprylic / capric glycerides, PEG-40 hydrogenated castor oil, soya bean lecithin, cyclodextrin, ethyl palmitate and troxerutin. The core material is prepared from at least one of salicylic acid, 4-butylresorcinol, glabridin, a kava extract, cortex magnoliae officinalis total phenols, ginseng oil, ganoderma lucidum spore oil, astaxanthin, coenzyme Q-10, a rosemary extract, ceramide and vitamin E. According to the invention, multiple eutectic coating can be formed, the consumption of the wall material can be reduced, the cost is saved, the wall material and the core material are matched for use, so that the excellent effects of permeation, oxidation resistance, soothing, allergy resistance and skin repair can be achieved, and the utilization rate of active substances is increased.

The invention discloses high-stability mesoporous carbon as well as a preparation method and application thereof. The preparation method of the mesoporous carbon comprises the following steps: taking resorcinol and formaldehyde as raw materials, and performing condensation reaction under an acidic condition to obtain a phenolic resin precursor solution; uniformly adding a template agent into the phenolic resin precursor solution, standing to complete sol-gel conversion, and drying to obtain solid gel; carrying out carbonization treatment on the solid gel under an inert gas condition; and washing and drying in vacuum to obtain the mesoporous carbon material. According to the invention, high-purity resorcinol is adopted as a raw material, so that the influence of impurities on a mesoporous structure and material performance is reduced, and the thermal stability and structural stability of mesoporous carbon are improved; the pore size distribution is accurately and flexibly controlled by adding the template agent, and the pore size structure is adjusted, so that the specific surface area of the mesoporous carbon is increased.

The invention belongs to the field of drinking water treatment, and relates to a treatment system for preparing drinking water, which comprises a water inlet device, a filter screen device and an immersed flat sheet membrane filtering device which are arranged in sequence. The immersed flat sheet membrane filtering device comprises a membrane stack, the membrane stack comprises a plurality of membrane bag units, and each membrane bag unit comprises a flat sheet membrane. The preparation raw material of the flat sheet membrane is a high polymer doped with a negatively charged microporous frame material. The preparation raw materials of the negative electricity charged microporous framework material comprise 4, 6-dicyanoresorcinol, 1, 4-butane sultone and sylvite. The negatively charged microporous frame material has a rigid microporous structure, can increase water permeation channels in a flat sheet membrane, can form a penetrating structure with membrane pores in the flat sheet membrane, effectively shortens a water transmission path, and improves membrane flux. In addition, the negatively charged microporous frame material also has negatively charged property, has repulsive action on pollutants in the water body, can prevent the pollutants from entering the aperture of the flat sheet membrane, and reduces the pollution blocking phenomenon on the flat sheet membrane.

The invention belongs to the technical field of cosmetics, and discloses a whitening composition, application thereof and cosmetics. The whitening composition is prepared from the following active ingredients in parts by mass: 16 to 24 parts of coix seed fermentation liquor, 8 to 12 parts of Chinese herbaceous peony extract combined factors, 22 to 38 parts of 4-butylresorcinol solution and 2 to 8 parts of zinc gluconate, through the synergistic effect of the four components, the activity of tyrosinase can be effectively inhibited, synthesis of cell melanin can be effectively inhibited, and the whitening effect is good.

The present invention discloses a high-gloss environmentally friendly UV-curable luminous ink and a preparation method thereof, which belongs to the technical field of UV-curable luminous ink. The ink comprises the following raw materials in parts by weight: 78 to 84 parts of bio-based polyurethane prepolymer, 38 to 45 parts of bio-based acrylate monomer, 10 to 15 parts of modified 2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester as UV curing initiator, 11 to 16 parts of luminous powder, 7 to 10 parts of micro powder filler, and 4 to 8 parts of auxiliary agent; the bio-based polyurethane prepolymer is obtained by reacting castor oil, resorcinol, fructose and 1,5-pentamethylene diisocyanate in a weight ratio of 8 to 12:2 to 3:13 to 17:4 to 9. In the above manner, the prepared high-gloss environmentally friendly UV-curable luminous ink is coated on a substrate and then subjected to UV light curing treatment (curing energy 2800mJ / cm 2 ), the thickness of the cured film can be controlled more loosely, and the cured film thickness can be controlled at 8-12μm. The cured film has good coating appearance, friction resistance, stain resistance and gloss.

The invention relates to the technical field of organic synthesis, and provides a method for efficiently preparing 1, 3-cyclohexanedione through selective hydrogenation, which comprises the following steps: preparing hexagonal mesoporous silicon oxide by taking tetraethoxysilane as a silicon source and dodecylamine as a structure-directing agent, compounding the hexagonal mesoporous silicon oxide with titanium oxide to obtain a carrier, and taking palladium as a catalytic active component to prepare a catalyst I; preparing a copper-based coordination polymer by taking copper chloride dihydrate and phenylacetylene as raw materials; preparing a catalyst II by taking nickel as a catalytic active component; the method comprises the following steps: reacting resorcinol with hydrogen under the combined action of alkali, water, a catalyst I and a catalyst II, and then acidizing and recrystallizing to obtain the target product 1, 3-cyclohexanedione. According to the method, resorcinol is taken as a raw material, the self-made catalyst I and the self-made catalyst II are adopted for concerted catalytic hydrogenation, 1, 3-cyclohexanone with relatively high purity is prepared, and the catalysts are high in catalytic activity, easy to separate and still have very good catalytic performance after being recycled for multiple times.

The invention discloses a heteroatom modified intrinsic microporous polymer material, a preparation method and application, and belongs to the technical field of environmental governance, and the preparation method comprises the following steps: (1) preparing nitro-substituted oxygen atom bridged calixarene from cyanuric chloride and nitro-substituted resorcinol in the presence of a basic catalyst; (2) reducing the nitro-substituted oxygen atom bridged calixarene into amino-substituted oxygen atom bridged calixarene; and (3) carrying out a Schiff base polymerization reaction on the amino-substituted oxygen atom bridged calixarene and a polyfunctional aldehyde group under a solvothermal condition to obtain the heteroatom modified intrinsic microporous polymer material. When the adsorbent is used, the adsorbent is directly added into a metal ion solution, the removal rate of dichromate radicals and manganese ions can reach 90% or above, and the adsorbed material can be repeatedly used after being washed by an acidic aqueous solution. And the polymerized material also has high water body stability, and is beneficial to recycling of the material.

The invention relates to the technical field of microsphere materials, in particular to microspheres and derivatives thereof, including phenolic resin-based hollow mesoporous carbon materials (hollow mesoporous carbon microspheres) and core-shell silicon dioxide microspheres as well as a preparation method and application thereof. The preparation method of the microspheres comprises the step of reacting resorcinol and aldehyde in a solvent in the absence of a surfactant in a system by taking ammonia water as a basic catalyst, when the molar ratio of the reaction amount of the aldehyde to the resorcinol is (0.5-1): 1, adding tetraethyl silicate to obtain microspheres; and carbonizing the microspheres and removing the silicon dioxide to obtain the phenolic aldehyde-based hollow mesoporous carbon microspheres. The preparation method provided by the invention can be used for preparing the hollow large mesoporous carbon microspheres under the reaction condition of no surfactant.

The invention discloses a nitrogen-containing carbon hollow sphere supported cobalt-based catalyst as well as a preparation method and application thereof, and belongs to the technical field of catalyst preparation. According to the preparation method, ammonia water, tetraethyl orthosilicate, polyoxyethylene polyoxypropylene ether triblock copolymer, resorcinol and a formaldehyde solution are fully reacted in a mixed solvent of deionized water and ethanol by virtue of a template method, and the nitrogen-containing carbon hollow spheres are obtained after calcination and etching; then carrying out surface modification on the nitrogen-containing carbon hollow spheres, and uniformly loading cobalt metal by virtue of the structure guiding effect of hexamethyleneimine and sodium citrate dehydrate; the prepared nitrogen-containing carbon hollow sphere supported cobalt-based catalyst has abundant highly-exposed Co-N-C active sites, has wide substrate universality, has good catalytic activity and selectivity for amination reactions with various long-chain fatty aldehydes, fatty ketones, cyclic fatty ketones, aromatic aldehydes and ketones as raw materials, and can realize efficient catalytic amination reactions of carbonyl compounds.

The invention discloses a high-performance polyacrylonitrile-based carbon fiber and a preparation method thereof, and the preparation method comprises the following steps: proportionally mixing polyacrylonitrile, a solvent and a plasticizer, heating and stirring to obtain a uniform spinning solution; the plasticizer is diphenyl phthalate, bisphenol A-bis (diphenyl) phosphate ester or resorcinol bis (diphenyl) phosphate ester; spinning the spinning solution to prepare a polyacrylonitrile fiber precursor; carrying out hot drawing treatment on the polyacrylonitrile fiber precursor, and then carrying out pre-oxidation and carbonization treatment to obtain polyacrylonitrile-based carbon fibers; the pre-oxidation temperature ranges from 200 DEG C to 300 DEG C, and the pre-oxidation time ranges from 80 min to 160 min. The preparation method of the carbon fiber can effectively improve the spinnability and the draftability of the PAN fiber, and can promote the crystallinity and the graphitization degree of the carbon fiber to be improved, so that the mechanical property of the fiber is enhanced.

The invention relates to natural plant hair dye, which comprises a bean extract, a lucid ganoderma extract, an astragalus extract, a polygonum multiflorum extract, vegetable fat, erythritol, L-proline, ferulic acid and gamma-aminobutyric acid, does not contain phenylenediamine, resorcinol, ammonium hydroxide, a vaccinium bracteatum thunb leaf extract and other components at all, and does not need to additionally add a thickening agent, a care agent and an alkalizing agent. The hair dye is good in hair dyeing effect, safe, reliable and non-irritant.

The invention discloses a synthetic method of glabridin with optical purity, which comprises the following steps: by taking (R)-3-acetoxyl-2-(2, 4-dimethoxyphenyl) propanol and 2-isopentenyl resorcinol as raw materials, carrying out Mitsunobu reaction to obtain a key intermediate compound I, then carrying out hydrolysis and iodination to obtain an intermediate compound II, and then carrying out cyclization to obtain the glabridin with optical purity. Reducing and removing a protecting group to obtain glabridin. By introducing the isopentene side chain, the reaction activity of an olefin functional group is reserved, a key site is provided for subsequent cyclization conversion, the precise spatial configuration of the product is ensured, and finally glabridin with optical purity is prepared. The method is short in route, low in cost, mild in reaction condition and suitable for industrial production.

The application discloses a preparation method of carbon aerogel material for light electromagnetic shielding, and comprises the following steps: adding resorcinol, phloroglucinol, a template agent and formaldehyde into pure water, stirring and dissolving to obtain a precursor solution; adding the precursor solution into white oil containing a surfactant, emulsifying, heating in an oil bath and fully reacting; centrifugal separation to obtain powder, high-temperature carbonization, dispersion in oleylamine, addition into a stock solution containing nickel acetylacetonate, triphenylphosphine and oleylamine, high-temperature reaction and cooling, addition of a mixture of hexane and ethanol to obtain a product; centrifugal separation and washing to obtain light high-electromagnetic-shielding carbon aerogel. The carbon aerogel material for light electromagnetic shielding prepared by the method has the advantages of small density, high efficiency, corrosion resistance, high electromagnetic shielding efficiency, high product yield and the like, and by controlling the nucleation and growth rate of Ni2P, the Ni2P nanoparticles can be uniformly grown on the carbon aerogel microspheres, and the method is suitable for application in large-scale industrial production.

The invention provides a phenethyl resorcinol betaine eutectic crystal as well as a preparation method and application thereof, and belongs to the technical field of eutectic crystal manufacturing. The structural formula of the phenethyl resorcinol betaine eutectic crystal is shown as a formula I. The phenethyl resorcinol betaine eutectic crystal has a good whitening effect and also has good water solubility, so that the phenethyl resorcinol betaine eutectic crystal has ideal bioavailability and compatibility.

The invention belongs to the technical field of cosmetics, and provides a whitening and spot-fading active composition, application of the whitening and spot-fading active composition in cosmetics, a skin care product containing the whitening and spot-fading active composition and a preparation method of the whitening and spot-fading active composition. The whitening and spot-fading active composition is prepared by compounding the following components in percentage by mass: 15%-25% of nicotinamide, 15%-25% of tranexamic acid, 0.1%-0.4% of beta-glucan, 0.5%-1% of nano-coated phenylethyl resorcinol and the balance of water. The skin care product prepared by the invention has both product safety and whitening and spot-fading effectiveness, and meanwhile, the cost investment is effectively reduced.

The invention belongs to the technical field of fire-extinguishing building materials, and discloses a microencapsulated efficient automatic fire-extinguishing patch and a preparation method thereof.The fire-extinguishing patch contains a fire-extinguishing microcapsule, the fire-extinguishing microcapsule is of a double-layer structure, the inner layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde, and the outer layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde; and the outer layer comprises a vinylidene fluoride-acrylic acid copolymer and glutaraldehyde. According to the invention, the flaky kaolin is used for enhancing the formaldehyde-free phenolic aldehyde inner layer and the vinylidene fluoride-acrylic acid copolymer outer layer to form a double-layer shell layer with high air tightness, so that the compactness and long-term stability of the shell layer of the microcapsule are greatly improved.

The invention belongs to the technical field of carbon materials, and provides tin-copper co-doped porous carbon and a preparation method and application thereof.The preparation method comprises the steps that A, raw materials are mixed, a hydrochloric acid solution is added to adjust the pH of a system to 5-6, stirring and cooling are conducted to the room temperature, then standing is conducted to form wet gel, freeze drying is conducted, and gel is obtained; wherein the raw materials comprise 0.8 g to 1.2 g of copper acetylacetonate, 4 g to 6 g of 2-aminobenzaldehyde, 4 g to 6 g of melamine phosphate, 4 g to 6 g of resorcinol and 8 ml to 12 ml of a formaldehyde solution with the concentration being 30 wt%; b, carbonizing the gel in inert protective gas to obtain copper-doped porous carbon; c, tin powder and the copper-doped porous carbon obtained in the step B are subjected to ball milling and mixing according to the mass ratio of 2: (7-12), then the mixture is placed in inert protective gas to be carbonized, and the tin-copper co-doped porous carbon is obtained. The prepared porous carbon material is high in CO2 electrocatalytic activity and has a wide application prospect.

The invention discloses phenolic resin-based hollow mesoporous carbon microspheres based on accelerated condensation and a preparation method and application thereof, and belongs to the technical field of carbon material preparation, and the preparation method comprises the following steps: in the absence of a surfactant, resorcinol / formaldehyde and tetraethyl silicate react in a water / alcohol system at the temperature of 35-120 DEG C under the catalytic action of ammonia water to obtain phenolic resin-based hollow mesoporous carbon microspheres; and carbonizing the silicon dioxide coated phenolic resin / silicon dioxide microspheres, and removing silicon dioxide to obtain the hollow mesoporous carbon microspheres. The method is simple and convenient to operate, a surfactant does not need to be added, the prepared carbon microspheres have large mesopores and hollow structures, meanwhile, the morphology and the pore structure of the carbon microspheres can be effectively regulated and controlled, and the carbon microspheres are applied as electrode materials and have good electrochemical performance. The hollow mesoporous carbon microspheres can also be applied to the fields of electrode materials, molding compounds, adsorption materials, drug loading or catalysis.

The invention relates to the technical field of nano material production, in particular to a preparation method of a core-ring confinement structure aqueous zinc ion battery positive electrode material, which comprises the following steps: by taking resorcinol and formaldehyde as carbon sources and tetraethoxysilane as a silicon source, forming hollow mesoporous carbon nanospheres by magnetic stirring, calcining and etching methods; and obtaining the water-based zinc ion battery positive electrode material with the nuclear ring confinement structure through vacuum degassing and a hydrothermal method. Wherein the three-dimensional nano hollow mesoporous carbon nanospheres show very high specific surface area, uniform porosity and good conductivity, and are beneficial to rapid transportation of zinc ions and electrons; the core-ring structure VS2 in the carbon sphere can prevent the structure from falling off in the charge-discharge process, the internal space can buffer the volume effect in the embedding / dezincification process, and the stability of the structure in the cycle process is facilitated, so that the material has good rate capability and cycle stability, and has a wide application prospect.

The invention discloses a construction method and application of an ultra-sensitive self-enhanced electrochemical luminescence biosensor, and belongs to the technical fields of biochemical analysis, nano materials and life science. According to the preparation method disclosed by the invention, Cu < 2 + > is introduced into luminous ZrEu-MOF, and a co-reactant K2S2O8 is catalyzed by the Cu < 2 + > to generate more active free radicals, so that ZrEuCu-MOF with a self-enhancement function is prepared; resorcinol-formaldehyde resin with an egg yolk structure is further synthesized as a quenching probe, and effective quenching of a light-emitting signal is realized based on electrochemical luminescence (ECL) resonance energy transfer between the resorcinol-formaldehyde resin and ZrEuCu-MOF, so that the detection sensitivity is improved. The constructed ECL biosensor realizes efficient and sensitive detection of neuron-specific enolase, and has the advantages of low detection limit, wide detection range, good stability and industrial application prospect.

The invention discloses a sulfanilamide thiazolyl resorcinol derivative and application of the sulfanilamide thiazolyl resorcinol derivative in preparation of a tyrosinase inhibitor and whitening cosmetics. The structural formula of the derivative is # imgabs0 #, in the formula, R represents a fat (aromatic) group substituent, and R'represents a hydrogen atom or methyl; the preparation method comprises the following steps: taking 2-chloro-1-(2, 4-dimethoxyphenyl) ethanone as an initial raw material, carrying out cyclization condensation on the 2-chloro-1-(2, 4-dimethoxyphenyl) ethanone and thiourea to obtain 4-(2-amino-1, 3-thiazole-4-yl) benzene-1, 3-dimethanol, carrying out reaction on 2-amino of thiazole and different fat (aromatic) sulfonyl chloride, and then removing methyl to prepare the 4-(2-amino-1, 3-thiazole-4-yl) benzene-1, 3-dimethanol. Pharmacological activity tests show that the compound has good inhibitory activity on tyrosinase, which indicates that the sulfanilamide thiazolyl resorcinol derivative can be researched and utilized as a novel tyrosinase inhibitor and whitening cosmetics.

The invention discloses a preparation method of nitrogen-doped hierarchical pore hollow carbon spheres, and relates to the technical field of electrochemical desalination, the preparation method comprises the following steps: carrying out polycondensation on melamine and formaldehyde in the presence of PVP to form a spherical template; resorcinol and HMTA form a phenolic resin coating layer on the surface of the template; calcining at high temperature to realize decomposition and carbonization of the template, and introducing double bonds through a silane coupling agent; introducing a phosphoryl chloride group through free radical polymerization; finally, grafting a sulfonic acid group through nucleophilic substitution to obtain a final product. The nitrogen-doped hollow carbon spheres with a hierarchical pore structure are prepared through a hollowing strategy and surface modification, and N, P and S ternary heteroatom synergy is realized through introduction of a phosphoryl chloride group and a sulfonic acid group, so that the material has high specific surface area, optimized pore structure and strong ion exchange capacity; the composite material shows excellent ion adsorption performance and cycling stability, and has a good application prospect in the field of capacitive deionization.

The present invention relates to a method of producing a cord for a power transmission belt, the method including: a first treatment step of treating an untreated yarn of a cord for a power transmission belt with a first treatment agent including a resin component (A) to obtain a first treated yarn; and a second treatment step of treating the first treated yarn with a second treatment agent including a condensate (B1) of resorcin and formaldehyde, an unmodified latex (B2), and an acid-modified diene-based polymer (B3) to obtain a second treated yarn.

The invention relates to the field of skincare products, and particularly discloses skincare gel loaded with ganoderma lucidum exosome and a preparation method of the skincare gel. The skin care gel loaded with the lucid ganoderma exosome is prepared from the following raw materials in parts by weight: 20 to 40 parts of hydrogel matrix, 2 to 4 parts of lucid ganoderma exosome nanoparticles, 2 to 6 parts of niobium carbide nanosheets, 1 to 3 parts of nicotinamide, 0.1 to 2 parts of phenethyl resorcinol and 0.1 to 3 parts of green tea extract, the Mailing exosome nanoparticles are of a core-shell structure, a core layer comprises Mailing exosome and papain in a mass ratio of 1: (0.1-0.2), and a shell layer comprises a polylactic acid-glycolic acid copolymer and a penetration enhancer in a mass ratio of 1: (0.1-0.3). The skin-care gel provided by the invention has remarkable whitening, moisturizing and skin brightening effects.

The preparation method comprises the following steps: adding a sodium hydrogen sulfite aqueous solution and a catalyst into a reaction container, heating, dropwise adding resorcinol diglycidyl ether after the temperature reaches a set value, titrating with an iodine standard solution until the content of sodium hydrogen sulfite is basically unchanged, and ending the reaction. And carrying out reduced pressure suction filtration on the reaction solution to obtain a product, washing the product with ethyl acetate and ethanol, removing resorcinol diglycidyl ether, drying to obtain a crude product, dissolving the crude product in a hydrochloric acid solution, heating in a constant temperature water bath, evaporating SO2, continuously adding a NaOH alcoholic solution, adjusting the pH to alkalescence, filtering to obtain a solid, and drying to obtain the resorcinol diglycidyl ether. According to the invention, sodium hydrogen sulfite and epoxy are subjected to ring-opening reaction to generate the novel hydrophilic chain extender with hydroxyl and sulfonic acid functional groups. Compared with a traditional production mode, the method is simple in reaction condition, rapid in reaction and high in conversion rate, and has a great prospect in hydrophilic chain extension application.

The invention discloses a CO2 oil displacement channeling sealing and in-situ curing integrated system and a preparation method thereof, and belongs to the technical field of oilfield chemistry. The system is prepared from the following raw material components in percentage by weight: 0.05%-0.10% of a foaming agent, 0.1%-0.5% of a foaming synergist, 0.1%-0.8% of a stabilizer, 0.15%-0.30% of a first-order curing agent A, 0.25%-0.35% of a first-order curing agent B, 1.0%-2.0% of a second-order curing agent and the balance of water. The first-order curing agent A is resorcinol or hydroquinone; the first-order curing agent B is urotropine; the second-order curing agent is a choline chloride deep eutectic solvent. According to the CO2 oil displacement channeling sealing and in-situ curing integrated system, a unique second-order curing mechanism is adopted, CO2 channeling is inhibited, meanwhile, foam gel is formed through crosslinking of a stabilizer and a first-order curing agent, first-order curing is achieved, then under the ion exchange action of the second-order curing agent, calcium carbonate microcrystal formation is promoted, the mineralization channeling sealing rate is increased, and the CO2 oil displacement channeling sealing and in-situ curing integrated system is obtained. And forming a final cured product.

The invention discloses a preparation method of a high-barrier aluminum oxide composite film for food packaging, and relates to the technical field of food packaging materials. The high-barrier aluminum oxide composite film for food packaging comprises the following raw materials in parts by weight: a barrier layer: 60-90 parts of modified nano aluminum oxide and 20-30 parts of a silane coupling agent KH-560; the functional layer is prepared from the following components in parts by weight: 18 to 28 parts of nano silver, 16 to 22 parts of compound antioxidant and 4 to 10 parts of nano titanium dioxide; the heat sealing layer is prepared from 22 to 32 parts of modified polylactic acid, 2 to 6 parts of graphene quantum dots, 12 to 16 parts of methyl methacrylate-butadiene-styrene copolymer, 3 to 6 parts of dodecyl trimethyl ammonium chloride, 10 to 14 parts of resorcinol tetraphenyl diphosphate and 7 to 17 parts of stearic acid intercalation modified nano montmorillonite. The high-barrier aluminum oxide composite film for food packaging is prepared by modifying nano aluminum oxide and polylactic acid, the barrier ability to gas, water vapor and ultraviolet rays is greatly improved, and the high-barrier aluminum oxide composite film is oil-resistant and antistatic. The product is high in mechanical strength, high in processing adaptability, capable of adapting to complex scenes, environment-friendly and safe.