61 results about "Propyl gallate" patented technology

The invention relates to the technical field of green building materials, in particular to phase-change energy-storage thermal insulation mortar and a preparation method of the phase-change energy-storage thermal insulation mortar. 25 to 40 parts of methyl palmitate; 120 to 180 parts of hydrophobic perlite; 8 to 15 parts of expanded graphite; 3-6 parts of phosphorus sheet-shaped aluminum nitride; 180 to 250 parts of sulphoaluminate cement; 60 to 100 parts of volcanic rock micro powder; 0.3 to 0.8 part of hydroxypropyl methyl cellulose; 0.6 to 1.2 parts of a polycarboxylic acid water reducing agent; 2 to 4 parts of nano aluminum oxide; 0.8 to 1.5 parts of propyl gallate; and 1-2 parts of zinc borate. Through the proportion design of the antioxidant flame-retardant microcapsules and the lightweight composite aggregate, the problems of poor thermal conductivity and insufficient durability of a traditional phase change material are solved. Through phase change material loading, interface modification and multi-component cooperative regulation, the thermal insulation performance, energy storage efficiency and structural stability are remarkably improved, and the material is suitable for the fields of building energy saving, intelligent temperature control and the like.

The invention relates to the technical field of wet tissues, in particular to an all-cotton wet tissue which comprises a base material and a wet tissue immersion liquid, wherein the wet tissue immersion liquid contains 0.1-0.4 wt% of a thickening agent, 0.1-2 wt% of a surfactant, 0.14-0.28 wt% of a pH regulator, 0.01-0.35 wt% of an environment-friendly non-irritant bactericide, 0.1-1.5 wt% of propylene glycol, 0.01-0.2 wt% of essence and the balance of deionized water; the preparation process of the environment-friendly non-irritating bactericide comprises the following steps: dissolving propyl gallate in ethanol, adding into a tea polyphenol-PEG acrylate modified quaternary ammonium salt modified carboxymethyl chitosan solution, adding a chitosan sulfate catalyst, adjusting the pH value to 5-7, and stirring and reacting in a constant-temperature water bath at 60-80 DEG C for 4-8 hours to obtain the environment-friendly non-irritating bactericide. According to the all-cotton wet tissue, the environment-friendly non-irritating bactericide is added into the wet tissue immersion liquid, so that the all-cotton wet tissue has very good environment-friendly non-irritating bactericidal performance.

The invention provides a composition containing exosome, which is prepared from the following components in parts by weight: 10 to 20 parts of exosome, 5 to 15 parts of extract, 0.3 to 0.5 part of antioxidant and 0.05 to 0.1 part of preservative, the extract is a mixture of 3-8 parts of aloe extract, 1-5 parts of camellia flower extract and 1-3 parts of cranberry extract; the preservative is one or more of benzoic acid, salicylic acid, boric acid and sorbic acid; the antioxidant is propyl gallate. When the composition is applied to an anti-aging product, the temperature sensing effect and the DPPH free radical scavenging rate are obviously improved.

The invention discloses a preparation method of curcumin, and belongs to the technical field of natural product extraction. The method comprises the following steps: firstly, adopting a modified deep-eutectic solvent into which propyl gallate is introduced as an extraction medium, and realizing high-selectivity extraction of curcumin through a special molecular structure of the modified deep-eutectic solvent; then the ultrasonic-microwave coupling technology is combined, so that the extraction efficiency is remarkably improved; finally, the modified molecularly imprinted polymer with magnetism is used for precise purification, the material has the specific recognition capacity and the rapid magnetic separation characteristic, polyethylene glycol is introduced to serve as a pore-foaming agent, and more active sites are provided for adsorption of curcumin molecules. According to the method disclosed by the invention, through collaborative innovation of all links, the whole process optimization from extraction to purification is realized, the product purity and the extraction efficiency are remarkably improved, the energy consumption and the solvent pollution are greatly reduced, and a reliable solution is provided for industrial production of the high-quality curcumin.

The invention belongs to the technical field of oil sludge separating agents, and particularly provides an oil sludge separating agent and an oil sludge separating method.The preparation method comprises the following steps that propylene glycol block polyether, a coagulant and an oil trapping agent are mixed and stirred, and the oil sludge separating agent is obtained; the preparation method of the oil trapping agent comprises the following steps: S01, taking polycaprolactone, adding acetone, and carrying out heating dispersion to obtain a solution A; s02, hydroxypropyl-beta-cyclodextrin and propyl gallate are taken, heated, added with water and stirred, then pH is adjusted, ethylenediamine disuccinic acid is added, stirring continues, and a solution B is obtained; and S03, dropwise adding the solution A into the solution B, maintaining stirring until the solution is completely mixed, then performing rotary evaporation, and collecting solid components, thereby obtaining the product. The total deoiling rate of the oil sludge treated by the oil sludge separating agent and the separation method is greater than or equal to 92.5%.

The invention provides a biological slow-release fertilizer for slope corn planting and a preparation method thereof, and relates to the technical field of corn planting. The fertilizer is prepared from a straw fermentation material, humic acid, kieselguhr, a modified starch material, charcoal, expanded vermiculite, sodium alginate, magnesium sulfate, monopotassium phosphate, urea, ethylenediamine disuccinate trisodium salt and propyl gallate. The straw fermentation material is prepared by crushing straw, performing alkali treatment, inoculating aspergillus oryzae for fermentation, sterilizing, continuing to inoculate bacillus subtilis for fermentation and drying; the modified starch material is obtained by mixing a semi-gelatinized starch material and a completely gelatinized starch material. The method overcomes the defects in the prior art, prematurity of slope field corn planting is effectively promoted through adjustment and improvement of the fertilizer, water and soil loss during planting is prevented, and the effect of high-yield corn planting is achieved.

The invention discloses a water-soluble diclazuril solution and a preparation method thereof, and belongs to the technical field of veterinary drug preparations, the water-soluble diclazuril solution comprises 10-30 g / L of diclazuril, 100-500 g / L of an organic solvent, 30-60 g / L of an amine organic base, 5-10 g / L of a surfactant, the balance of water for injection, 3-5 g / L of propyl gallate, and 10-15 g / L of a composite fermentation broth, the organic solvent comprises the following components in percentage by mass: 20-40% of N, N-dimethylformamide, 40-70% of propylene glycol and 10-20% of ethanol, and the compound fermentation liquor is a fermentation product obtained by fermenting a mixture of felwort and tamarind fruits with a compound microbial inoculant. The water-soluble diclazuril solution provided by the invention not only can effectively prevent and treat chicken coccidiosis, but also is beneficial to improving the weight gain rate of broiler chickens in the recovery process after infection, the preparation method is simple, the cost is low, the use mode is convenient and efficient, and the use value of the water-soluble diclazuril solution in the aspect of broiler chicken breeding is effectively improved.

The application belongs to the field of coordination chemistry and analytical sensing technology, and particularly relates to a Zn(II)-Tb(III) complex ratio fluorescence sensor and a preparation method and application thereof. The sensor is a double-metal coordination polymer formed by coordination of Zn(II) ions, Tb(III) ions, nitrogen-containing organic ligands and carboxylic acid organic ligands. Under excitation conditions, the sensor simultaneously generates an emission signal of ligand coordination with Zn(II) and a characteristic emission signal of Tb(III) ions, forming intrinsic double emission. By monitoring the fluorescence intensity ratio (I395 / I549) of the two characteristic emission peaks at 395 nm and 549 nm, ratio fluorescence detection of propyl gallate can be realized, and the detection limit is as low as 0.35 μM. The sensor of the application has a simple synthesis method, a rapid detection process, and realizes internal calibration by using a ratio signal, has strong anti-interference ability, and is suitable for detection of propyl gallate in edible oil and other actual samples.

This rotigotine-containing adhesive patch comprises a support layer and an adhesive layer, wherein the adhesive layer contains: at least one selected from the group consisting of rotigotine and pharmaceutically acceptable salts of rotigotine; a rubber-based adhesive base; and an antioxidant. The antioxidant includes propyl gallate, ascorbyl palmitate, and sodium pyrosulfite.

The application relates to a high-antibacterial PETG composite material and a preparation method and application thereof, which comprises the following raw materials in parts by mass: 100 parts of PETG, 2-5 parts of a composite antibacterial agent, 3-10 parts of a silane coupling agent and 0.1-0.3 parts of an initiator; wherein the composite antibacterial agent is a combination of propyl gallate, hexamidine diisethionate and polyhexamethylene biguanide hydrochloride. The composite antibacterial agent can be stably combined with the PETG matrix through the action of the coupling agent and the initiator. The PETG composite material has both processing feasibility and long-acting antibacterial property through the synergistic action of the composite antibacterial agent, the coupling agent and the initiator.

The application discloses a kind of hydrogen-rich physiotherapy products and preparation method thereof, belong to medical health technical field.The application first uses propyl gallate as main modifier to modify magnesium hydride and magnesium powder, and obtains modified magnesium powder and modified magnesium hydride;After adding natural medicinal plants and hydrogen-rich components (modified magnesium powder and modified magnesium hydride etc.) in hot compress product, increase traditional Chinese medicine physiotherapy and hydrogen therapy function while hot compress physiotherapy, realize the multifunctionalization of hot compress product;Meanwhile, the unique surface coating material is used to physically wrap magnesium powder and magnesium hydride without affecting its physical and chemical properties, which can prevent the product from reacting with water and oxygen during storage, and also does not hinder the reaction of hot steam with magnesium powder and magnesium hydride, thereby accelerating the hydrogen release amount and release speed.

In an embodiment, there is provided a varenicline formulation consisting essentially of about 0.85% varenicline tartrate and greater than 1.75% to about 3.0% propyl gallate, wherein the formulation maintains a level of N-nitrosovarenicline (NNV) impurity over the shelf-life of the formulation of not more than 18.5 ppm (37 ng / day) of acceptable daily intake (ADI). In another embodiment, there is provided a varenicline formulation comprising a tablet core comprising about 0.85% varenicline tartrate, about 60.50% microcrystalline cellulose, about 33.33% dibasic calcium phosphate anhydrous, about 2.00% croscarmellose sodium, about 2.57% propyl gallate, and about 0.75% magnesium stearate; and a film coating.

The application belongs to the technical field of circuit board repair, and particularly relates to a PCB copper surface repair process. The process comprises the following steps: detecting the copper surface of a PCB, identifying and positioning defects, and generating a three-dimensional damage atlas; using a cleaning solution containing tri-potassium citrate, sodium lauroyl sarcosinate, propyl gallate, glycerol and Trici ne to perform spot cleaning on the defect area; spraying a functional nano-activating agent dispersion liquid made of layered zirconium oxide nanosheets, carboxymethyl chitosan, ammonium tripolyphosphate, naringenin-dopamine-maleic acid copolymer and polyvinyl alcohol aqueous solution to form a nano-structure activation layer; and finally applying a conductive material to fill and repair the defects. The process can realize accurate repair of copper surface micro-defects, enhance the conductivity and interface bonding force of the repaired area, and the repaired PCB has excellent long-term stability, effectively improving the overall reliability and service life of the PCB.

The invention discloses a preparation method and application of a bio-based waterproof and oil-proof agent. According to the preparation method, a simple compounding method is adopted, the ODA-PPG-coated CNFs subjected to hydrophobic modification by propyl gallate and octadecylamine are compounded with natural high polymers (sodium alginate, sodium carboxymethyl cellulose and hydroxypropyl methyl cellulose) with oil-proof performance, and the biomass-based environment-friendly fluoride-free waterproof and oil-proof agent is obtained. Hydrophobic modified CNFs and a natural polymer oil-proof component are reasonably compounded, the problem that a single biomass component is short in performance is solved, the hydrophobicity of a system is improved through the modified CNFs, grease permeation is blocked through a natural polymer depending on the film forming property, and balance of waterproof and oil-proof performance is achieved through cooperation of the CNFs and the natural polymer oil-proof component; the contradiction that in the prior art, oil-proof performance is lowered if hydrophobic performance is improved, and water-proof performance is insufficient if oil-proof performance is strengthened is broken through.

This invention discloses a high oil-holding capacity and temperature-resistant oleogel and its preparation method, comprising dissolving a gelling agent in a base oil, dispersing it under magnetic heating, and obtaining the oleogel after cooling; wherein the gelling agent is composed of β-sitosterol and propyl gallate. This invention uses β-sitosterol and phenols as gelling agents to improve the types of dual gelling agents and enhance various properties of the oleogel; the entire preparation process is carried out under relatively mild temperature conditions, and by controlling the amount of β-sitosterol and phenols, the performance of the final oleogel can be effectively regulated to meet the needs of different application scenarios; this technical route does not involve hydrogenation, avoiding the generation of trans fatty acids; at the same time, it effectively reduces the calorific value of the oil and improves its oxidative stability and health benefits.

The present invention relates to a container comprising multiple servings of a heat-treated liquid dairy product, wherein the liquid dairy product has a solids level of at least 55 wt%, a pH of greater than 5.5, and comprises a first antioxidant which is TBHQ and a second antioxidant which is propyl gallate, wherein the first and second antioxidants are present in a combined total amount of from 100 to 400 μg / mL.

The invention provides a composite MOF membrane for gas separation and a preparation method thereof, and belongs to the technical field of gas separation. The method comprises the following steps: mixing zinc nitrate hexahydrate with a 2-methylimidazole methanol solution, sealing and heating, and carrying out solid-liquid separation and drying to obtain MOF particles; mixing propyl gallate, ferric trichloride hexahydrate and absolute ethyl alcohol, adding the chitosan / acetic acid solution, adjusting the pH value, heating and performing rotary evaporation to obtain modified chitosan syrup; the preparation method comprises the following steps: mixing polyethersulfone, polyvinylpyrrolidone, N-methyl pyrrolidone, fly ash and aluminum oxide to prepare slurry, coating a film, removing a solvent, drying, heating, and carrying out hydroxylation treatment to obtain a ceramic substrate film; pEBAX particles, an ethanol solution, 3-glycidyl ether oxypropyl trimethoxy silane, an acetic acid solution, MOF particles and the modified chitosan syrup are mixed and spin-coated on a basement membrane, and the membrane is formed through standing and drying. The mechanical strength and the carbon dioxide and nitrogen separation performance of the composite MOF membrane can be improved.

The invention relates to a pharmaceutical dosage form for oral administration comprising (i) an intragranular phase, which comprises Sertraline or a physiologically acceptable salt thereof; one or more intragranular fillers (preferably selected from one or more sugar alcohols or sugars; preferably mannitol or lactose, more preferably mannitol); one or more intragranular antioxidants (preferably selected from butylated hydroxytoluene (BHT), butylated hydroxy anisole (BHA), tocopherol or derivatives thereof, ascorbic acid or derivatives thereof, sodium metabisulphite, propyl gallate, sodium thiosulphate, or any combination thereof, more preferably ascorbic acid); (ii) an extragranular phase, which comprises one or more extragranular fillers (preferably mannitol, microcrystalline cellulose, lactose, or any combination thereof); and (iii) optionally, a film coating. The invention further relates to a process for manufacture by wet granulation, wherein the antioxidant is preferably dissolved in the granulation liquid.

The application belongs to the technical field of oil sludge separating agents, and specifically provides an oil sludge separating agent and an oil sludge separating method, and the preparation steps include the following: taking propylene glycol block polyether, a coagulant and an oil capturing agent, stirring, and obtaining; the preparation steps of the oil capturing agent include the following: S01. Taking polycaprolactone, adding acetone to heat and disperse to obtain A liquid; S02. Taking hydroxypropyl-beta-cyclodextrin and propyl gallate, heating, adding water and stirring, then adjusting pH, adding ethylenediamine disuccinic acid, and continuing to stir to obtain B liquid; S03. Dropping A liquid into B liquid, maintaining stirring until mixing is complete, and then rotary evaporation to collect solid components to obtain. After the oil sludge is treated by the oil sludge separating agent and the separating method, the total oil removal rate of the oil sludge is greater than or equal to 92.5%.

The invention discloses a papaya, radix puerariae and fructus lycii soft capsule. The soft capsule comprises a content and a soft capsule shell, the content comprises the following raw materials in parts by weight: 2-3 parts of a papaya extract, 6-8 parts of a radix puerariae extract, 8-10 parts of a fructus lycii extract, 3-4 parts of soybean lecithin, 4-6 parts of an antioxidant A, 2-4 parts of beewax and 65-75 parts of soybean oil; the soft capsule shell comprises the following raw materials in parts by weight: 32-34 parts of gelatin, 16-17 parts of sorbitol, 2-3 parts of magnesium stearate, 6-10 parts of an antioxidant B and 38-42 parts of water; wherein in the preparation process of the antioxidant A, superfine silica powder, propyl gallate and an ethanol water solution are mixed, stirred and subjected to solid-liquid separation, and the antioxidant A is obtained. The invention further discloses a preparation method of the papaya, radix puerariae and fructus lycii soft capsule. The problem of slow disintegration of the papaya, radix puerariae and fructus lycii soft capsule can be improved.

The invention relates to the technical field of fiber preparation, in particular to an antibacterial polyamide fiber and a preparation method thereof.The preparation method comprises the following steps that a wood fiber raw material is subjected to impregnation and pre-hydrolysis activation through cellulase, centrifugation is conducted till the wood fiber raw material is neutral and milky white suspension liquid is obtained, and colloid is obtained; dissolving BTDA and PPA in the colloid, and preparing antibacterial nano cellulose under the catalytic action of dioxane; the preparation method comprises the following steps: by taking chinlon master batch as a raw material, adding BTDA and antibacterial nano cellulose into the chinlon master batch, adding propyl gallate, and then carrying out a melt spinning process, so as to prepare the antibacterial chinlon fiber.

The present application relates to the technical field of microbial fermentation culture, and specifically discloses a method for fermentatively producing glutamic acid, a culture medium and application thereof. The method for fermentatively producing glutamic acid adds catechol to seed culture medium and fermentation culture medium, starts to add flow-adding liquid one after complete consumption of the base sugar, and starts to add flow-adding liquid two when the acid concentration in the fermentation broth reaches 140-165 g / L; the flow-adding liquid one is a glucose solution containing propyl gallate, the concentration of glucose in the flow-adding liquid one is 68-72%, and the concentration of propyl gallate is 10-50 mg / 100 g; the residual sugar concentration in the fermentation broth is controlled to be less than 5 g / L by adding the flow-adding liquid one; and the flow-adding liquid two is a sorbitol solution, and the sorbitol concentration in the fermentation broth is controlled to be 0.5-4 g / L by adding the flow-adding liquid two. The method can improve the fermentation conversion rate and is suitable for industrial production.

The invention relates to the technical field of textile fabrics, in particular to an antibacterial composite fabric and a preparation method thereof. The antibacterial composite fabric is formed by blending and weaving reinforced fibers and photoresponse antibacterial fibers, and the photoresponse antibacterial fibers comprise the following components: regenerated polyester, propyl gallate, nano-zinc oxide, trimellitic anhydride and a catalyst; the reinforced fiber comprises the following components: regenerated polyester, nano cellulose with amino introduced on the surface through siloxane modification, and an ecological antibacterial agent. Trimellitic anhydride is introduced to be copolymerized with regenerated polyester, so that the hygroscopicity of the fiber is improved, and carboxyl is introduced; the antibacterial components propyl gallate and nano-zinc oxide realize double antibacterial effects of illumination triggering and contact sterilization through an organic-inorganic synergistic mechanism. The mechanical strength of the fiber is improved through the rigid structure of the aminated cellulose nanocrystals in the reinforced fiber; finally, chemical bridging is formed on a fiber interface through a thermal process, and the fabric with strength and lasting antibacterial property is created.

Suitable thermoplastic compositions for use in rotational molding applications include a) a polyethylene composition having a melt index I2 of 0.5 to 10 g / 10 min and a melt flow rate of 0.930 to 0.965 g / cm³. 3 The density of; and b) the additive package. The additive package contains i) a first hindered phenolic antioxidant compound selected from d,l-α-tocopherol, d,l-β-tocopherol, d,l-γ-tocopherol, d,l-δ-tocopherol, propyl gallate (3,4,5-trihydroxybenzoate), and mixtures thereof; and ii) a first phosphite antioxidant compound having formula I: (I) wherein R 1 R 2 R 4 and R 5 Independently selected from hydrogen atoms and C1-C 12 Alkyl; R 3 Selected from hydrogen atoms and C1-C8 alkyl groups; L represents a single bond or has the formula -CHR 6 - alkylene groups, wherein R 6 It is a hydrogen atom or C1-C 12 Alkyl group; A is an alkyl group having the formula -CHR 7 - Alkylene, having the formula -C*(=O)CHR 7 - carbonyl group, where C * Bonded to O in formula I, or having a carbonyl group of formula -(C=O)-, wherein R 7 It is a hydrogen atom or C1-C 12 Alkyl; wherein one of Y and Z is selected from hydroxyl, alkoxy, aryloxy, alkylaryloxy, and arylalkoxy, and the other of Y and Z is selected from hydrogen and C1-C. 12 alkyl.

A rotigotine-containing patch comprising a support layer and an adhesive layer, wherein the adhesive layer contains at least one selected from the group consisting of rotigotine and pharmaceutically acceptable salts of rotigotine, a rubber-based adhesive base, and an antioxidant, wherein the antioxidant comprises propyl gallate, ascorbyl palmitate, and sodium pyrosulfite.

The invention provides a preparation method of a quinolone product for inhibiting generation of nitrosamine impurities, and belongs to the technical field of quinolone medicine preparation. The quinolone product is ciprofloxacin, ciprofloxacin lactate or enrofloxacin, and a nitrosamine inhibitor is added in the preparation process of ciprofloxacin, ciprofloxacin lactate or enrofloxacin to obtain the corresponding quinolone product. The nitrosamine inhibitor is any one of ascorbic acid, alpha-tocopherol, maltol, resveratrol, propyl gallate, butylated hydroxyanisole, butylated hydroxytoluene, caffeic acid, ferulic acid, alpha-amino acid, L-cysteine, para aminobenzoic acid, urea and ammonium chloride. According to the method disclosed by the invention, the content of nitrosamine impurities can be reduced to be within 0.3 ppm.

The invention discloses a preparation method for catalytically synthesizing propyl gallate by using expanded graphite, which comprises the following steps of: performing esterification reaction on gallic acid and propyl alcohol serving as raw materials under the action of an expanded graphite catalyst at 80-120 DEG C; the size of the expanded graphite is 100-400 meshes, the use amount of the expanded graphite is 2-10% of the weight of the gallic acid, and the molar ratio of the gallic acid to the propyl alcohol is 1: (5-20). And after the reaction, filtering to separate the catalyst, carrying out reduced pressure evaporation on the filtrate to recover excessive propyl alcohol, dissolving the obtained crude product in deionized water, and carrying out activated carbon decoloration, recrystallization and vacuum drying to obtain a propyl gallate refined product. The hydrophobic property of the expanded graphite is utilized, a water-carrying agent or neutralization treatment is not needed, the catalyst can be recycled, and the process is green and efficient. The purity of the obtained product reaches 98-99.99%, the conversion rate of gallic acid is 92-100%, the reaction conditions are mild, the operation is simple and convenient, and the method is suitable for industrial production.

The invention relates to the field of biomedical materials, in particular to cyanoacrylate medical blood vessel blocking glue and a preparation method thereof.The cyanoacrylate medical blood vessel blocking glue is prepared from, by mass, 30-35 parts of 2-octyl cyanoacrylate, 7-8 parts of lactide modified hydroxyethyl methylacrylate, 0.02-0.03 part of polymerization inhibitor propyl gallate, 0.02-0.03 part of initiator, 0.02-0.03 part of initiator, 0.02-0.03 part of initiator, 0.02-0.03 part of initiator and the balance water. By innovatively adopting various functional components and carrying out synergistic compatibility and precise preparation, compared with the prior art, the comprehensive performance of the product is remarkably improved, and the plugging agent has the advantages of rapid and reliable plugging effect, good plugging effect, good plugging effect, good plugging effect, good plugging effect, good plugging effect, good plugging effect, good plugging effect, good plugging effect and the like. Meanwhile, good biocompatibility, intraoperative developing capacity and a potential drug sustained release function are achieved, operation is easy and convenient, performance is stable, a safer and more efficient choice is provided for clinical vascular interventional therapy, and wide application prospects are achieved in the fields of cardiovascular and neurological intervention, peripheral vascular embolism and the like.

The invention relates to the technical field of compressor oil, in particular to compatible long-service-life low-loss food-grade screw air compressor oil and a preparation method thereof. Comprising the following raw material components in parts by weight: 7-21 parts of hydrocarbon polymeric fluid containing ester functional groups, 6-18 parts of aromatic ester base oil, 2-9 parts of modified polyol ester, 3-8 parts of cyclohexane dibasic acid ester, 2-5 parts of poly-alpha-olefin, 2-5 parts of shaddock peel essential oil, 1-3 parts of propyl gallate, 3-6 parts of an antioxidant, 0.5-3 parts of an anti-wear reagent at extreme pressure, 0.05-0.2 part of a corrosion inhibitor, 0.05-0.5 part of an anti-rust agent, 0.05-0.2 part of a demulsifier and 0.01-0.2 part of a defoaming agent. The modified polyol ester is prepared by adding diphenylamine, naphthylamine and phenolic ester into polyol ester, and the mass ratio of the polyol ester to the diphenylamine to the naphthylamine to the phenolic ester is (3-5): (1-2): (1-2): 1.

This invention discloses a high-performance nano-electrospun membrane and its preparation method. The electrospinning solution of the nano-electrospun membrane comprises a synergistically modified polymer matrix material, an organic small molecule, polyethylene glycol, polyvinylpyrrolidone, Tween-80, zinc stearate, and a solvent. The synergistically modified polymer matrix material is based on polyacrylonitrile, and is prepared by introducing dopamine, 3,4-dihydroxyphenylethylamine hydrochloride, 3-aminopropyltriethoxysilane, and cerium nitrate in solution. The organic small molecule is propyl gallate. Through the synergistic effect of the components, the prepared nano-electrospun membrane exhibits high continuous film-forming stability, good structure retention during use, excellent environmental stability, and outstanding storage and reuse performance of the electrospinning solution. The method of this invention is stable, highly feasible, and suitable for the preparation and application of high-performance nano-electrospun membranes.