46 results about "Alkyl phosphate" patented technology

The present disclosure relates to a method of forming electrical signal sensor. The method includes the following operations. An oxidoreductase and an amphiphilic molecule are dissolved into a solvent to form a solution, in which the amphiphilic molecule includes alkyl sulfuric acid, alkyl sulfate, alkyl sulfonic acid, alkyl sulfonate, alkyl ammonium, alkyl ammonium salt, alkyl phosphoric acid, alkyl phosphate, alkyl carboxylic acid, alkyl carboxylate, alkylboronic acid, alkylborate, or combinations thereof. The solution is coated on an electrode layer. The solution is dried.

The invention relates to potassium alkyl phosphate as well as a preparation method and application thereof, and the potassium alkyl phosphate is prepared by taking aminophosphonic acid and 1, 2-alkylene oxide as reaction raw materials. The alkyl phosphate salt provided by the invention contains more than two hydrophobic tail chains and hydrophilic head groups, so that the aggregation capacity of the alkyl phosphate salt in an aqueous solution is effectively improved, the alkyl phosphate salt is arranged more tightly in a fiber surface adsorption layer, and higher surface / interface activity is shown; meanwhile, the hydrophilic head group of the potassium phosphate carries negative charges and contains hydroxyl, intramolecular hydrogen bonds and intermolecular hydrogen bonds are easily formed, the hydration effect is good, and the electrostatic conduction efficiency is effectively improved. After the potassium alkyl phosphate provided by the invention acts on chemical fibers, especially polyester staple fibers, the fibers can be endowed with excellent antistatic property under the condition of lower dosage, and the pollution to the water environment is reduced while the cost of a fiber auxiliary agent is reduced.

The present invention relates to a method for producing a neodymium(III) alkyl phosphate solution, the method comprising the following steps: (a) reacting a neodymium(III) compound with an organic phosphoric acid in a solvent in the presence of an accelerator, thereby obtaining a neodymium(III) alkyl phosphate solution, (b) adding an antigelling agent to the neodymium(III) alkyl phosphate solution obtained in step (a), and (c) removing water formed and / or added during step (a) from the obtained neodymium(III) alkyl phosphate solution, thereby obtaining a solution containing neodymium(III) alkyl phosphate. The present invention also relates to the neodymium(III) alkyl phosphate solution obtained by the above method and to the use of this solution as a catalyst precursor for diene polymerization.

The invention relates to an oiling agent for chemical fiber spinning and a preparation method and application of the oiling agent. The oiling agent comprises novel oligomeric potassium alkyl sulfate, a nonionic surfactant, an emulsifier, solvent oil and water. The emulsion formed by dissolving the novel oligomeric alkyl sulfate potassium salt oil agent in water has excellent stability, and does not have obvious phase separation phenomena such as sinking and floating after standing at room temperature for 56h. When the oiling agent for chemical fiber spinning disclosed by the invention is applied to the field of chemical fiber production, chemical fibers can be endowed with excellent antistatic property and smoothness, so that the spinnability of the chemical fibers is better; and the oiling agent belongs to a green phosphorus-free formula, so that the spinnability index of chemical fibers is guaranteed, and the pollution of discharged water to the environment is reduced.

Provided is an oligonucleotide having excellent stability and capable of inducing ADAR editing activity in a cell. The oligonucleotide comprises a first oligonucleotide and a second oligonucleotide linked to the 5'side thereof, and induces site-specific editing against a target RNA. The first oligonucleotide is composed of a target-corresponding nucleotide residue, an oligonucleotide having 3 to 6 residues complementary to the target RNA on the 5'side thereof, and an oligonucleotide having 10 to 24 residues complementary to the target RNA on the 3 'side thereof. And at least one of a phosphorus-containing linking group connecting the nucleoside residues at the first position and the second position and a phosphorus-containing linking group connecting the nucleoside residues at the fourth position and the fifth position is an alkyl phosphonic acid residue, an alkyl phosphate residue or a substituted phosphamide residue. The second oligonucleotide has a nucleotide residue corresponding to the target RNA deleted at the 3'terminal, or has a nucleotide residue that does not form a complementary pair with the target RNA, the number of residues being 2 to 10, and the nucleotide residues other than the 3 'terminal being complementary to the target RNA.

The invention discloses a halogen-free alkyl phosphate oligomer organic flame retardant and a synthesis method, the halogen-free alkyl phosphate oligomer flame retardant (PNX) is a phosphate oligomer, is often used as an additive flame retardant of polyurethane foam, and has the advantages of no halogen, high phosphorus content, high flame retardant efficiency, low VOC (volatile organic compound) value and the like. The flame retardant is synthesized by the following method: firstly, pre-cooling phosphorus oxychloride, then slowly dropwise adding ethanol in a negative pressure state, and heating for reaction to obtain an ethyl dichlorophosphate intermediate; slowly dropwise adding the ethyl dichlorophosphate intermediate into one third of precooled ethylene glycol, stirring, heating and reacting for a period of time, continuously dropwise adding the rest ethyl dichlorophosphate, reacting for a period of time, and dropwise adding ethanol for blocking to obtain a PNX product. The method has the advantages of simple synthesis process, mild conditions, fast reaction, common and easily available raw materials, no use of a catalyst, no introduction of metal ions, and no need of post-treatment. The large-scale industrial production is easy to realize.

The invention discloses an imidazolyl lipid assembly as well as a preparation method and application thereof, and relates to the technical field of biomedical materials. The preparation method comprises the following steps: mixing diphenyl phosphate, alcohol and pyridine, and heating for reaction to obtain alkyl phosphate; mixing N, N-diethylethylenediamine, 5-imidazole formaldehyde and a solvent, carrying out a heating reaction in a protective atmosphere, then adding the alkyl phosphate, and continuing the heating reaction to obtain an imidazolyl lipid molecule; dissolving the imidazolyl lipid molecules in an organic solvent to obtain a mother solution; the imidazolyl lipid assembly is obtained from the mother liquor through a film hydration method. The imidazole-based lipid assembly constructed by the invention can utilize the imidazole group to destroy the normal structure of bacteria under the condition of no antibiotic load, and utilizes the catalytic action of the imidazole group to complete the destroy of a biological membrane matrix and an inflammation activation medium, so that the synergism of antibiosis and anti-inflammation is realized, and the imidazole-based lipid assembly has the effect of buffering local acidic pH.

DEPCT66 This invention addresses the problem of improving water repellency and protective properties. The generation of static electricity in synthetic fibers and the improvement of the stability of solutions of substances. The treatment of short fibers, the substance of the treatment of short fibers will have the following components (A), The following component (B), and the following component (C) are compounds. Esters of monohydric alcohols containing C12-22 hydrocarbons and fatty acids. Monovalent hydrocarbons with C12-22 group components (B) are at least one selectable type. Among the alkyl phosphate ester salts containing the C16-22 alkyl group and alkyl phosphate salts. Esters containing a C4-8 alkyl group (C) are of at least one selectable type from fatty acids. Containing C12-22 hydrocarbon groups and their salts. -----------------------------------------------------------

The invention discloses a liquid crystal emulsion composition with a barrier effect. The composition comprises fatty acyl acidic amino acid fatty alcohol ester as shown in a general formula (1) and an alkyl phosphate emulsifier as shown in a general formula (2), a layered liquid crystal structure is formed through self-assembly, and skin cuticle lipid arrangement is simulated. The liquid crystal emulsion composition can enhance the physical barrier of skin, reduce water loss, and maintain the uniformity and stability of liquid crystals under the conditions of temperature change, shear action and long-term storage. Compared with the existing liquid crystal composition, the composition provided by the invention has higher liquid crystal structure stability and also has a barrier protection effect.

The application discloses a yellowing-resistant leather fatliquoring agent taking modified sulfonated oil as a main agent and a preparation method thereof. The leather fatliquoring agent comprises the following components in mass percentage: 30-50% of modified sulfonated oil, 1-5% of ethoxylated alkyl phosphate CEP, 10-20% of coal-based AOS, 1-3% of fatliquoring auxiliary, and 30-50% of water. The leather fatliquoring agent provided by the application has low cost, the modified sulfonated oil as the main agent is introduced with an EO group, the addition of ethylene oxide reduces the raw material cost, and the coal-based AOS has low price. The product has good yellowing resistance. The introduction of the EO group increases the molecular weight of the main agent sulfonated oil, thereby reducing the active groups in the fatliquoring agent under the same addition amount, and the fatliquoring agent is endowed with good yellowing resistance. The product can significantly improve the mechanical strength and softness of a leather product.

The invention relates to the field of flame retardants, and particularly discloses a multi-layer coated ceramic flame retardant as well as a preparation method and application thereof. The invention relates to a preparation method of a multilayer coated ceramic flame retardant, which comprises the following steps: (1) adding alkyl phosphate diethanolamine salt into water, and uniformly stirring to prepare a mixed solution; (2) adding wollastonite fibers into the mixed solution, and uniformly stirring to obtain a blended solution; (3) filtering, drying and grinding the blended solution to obtain mixed powder; and (4) adding the mixed powder into dipropylene glycol dimethyl ether, uniformly stirring, adding fatty alcohol-polyoxyethylene ether phosphate and boron phosphide, uniformly stirring, filtering, drying, and crushing to obtain the multilayer coated ceramic flame retardant. The multilayer coated ceramic flame retardant can be used for wire and cable materials, and has the advantages of good flame retardant property and high ceramic body strength after ceramization; in addition, the preparation method provided by the invention has the advantages that the flame retardant is easy to disperse and the flame retardant property is outstanding.

The present invention is a composition comprising a) an aqueous dispersion of polymer particles optionally functionalized with a phosphorus acid monomer and having a z-average particle size as measured using dynamic light scattering in the range of from 50 nm to 500 nm; b) a salt of iodic acid; c) a C8-C10-alkyl phosphate or sulfate; with the proviso that when the polymer particles are not functionalized with the phosphorus acid monomer, the composition further comprises d) a hydrotrope. The composition of the present invention provides a way of preserving a latex against microbial growth in the absence of a biocide.

This invention provides a polishing composition and a polishing method using the same, which can increase the polishing speed of silicon-containing materials, have a high selectivity ratio of silicon-containing materials to other materials (e.g., nitride materials), and maintain the stability of the composition. [Solution] The polishing composition has a surface modified with a silane coupling agent, has a positive surface potential, has an average secondary particle diameter of 45 nm or more and 100 nm or less, and has a silanol group density of 0.0 / nm 2 Larger than 3.0 particles / nm 2 The following abrasive particles, a surfactant which is an alkyl phosphate with 6 to 18 carbon atoms, and an aqueous dispersion medium are included.

The application relates to the field of cutting fluids, and discloses an inhibitor, a high-efficiency lubricating water-based cutting fluid and application thereof. A long-chain alkyl phosphate betaine is selected as a key inhibitor. Phosphate anions and quaternary ammonium salt cations in the molecule can be firmly adsorbed on metal surfaces with different electricities, and long-chain alkyls can form a dense hydrophobic layer on the metal surface, laying a foundation for multi-metal compatibility. The inhibitor has a synergistic effect with a semi-synthetic composite lubricating system. In addition, the system uses a thiophosphate and an organic phosphonic acid to be compounded as extreme pressure anti-wear agents. In the absence of chlorine and boron, the extreme pressure anti-wear agents can form a high-strength chemical reaction film with the above-mentioned adsorption film under extreme pressure conditions, so that the carrying capacity is further improved.

The invention discloses a micromolecular oil-based gel breaker as well as a preparation method and application thereof, and belongs to the technical field of product oil pipeline maintenance. The micromolecular oil-based gel breaker is selected from one or two of the following effective components in parts by weight: 1-10 parts of triethanolamine, 1-10 parts of sodium persulfate, 1-10 parts of sodium hydrogen sulfate and 1-10 parts of sodium sulfite, and 80-100 parts of water is used as a solvent. Compared with the existing gel breaker, the small molecule oil-based gel breaker has the advantages that the gel breaking time is shortened by 30-50%, and the shortest time can reach 15 minutes; by using weak acid and weak base, the corrosion to the carbon steel pipeline is low; meanwhile, the gel breaker mainly aims at phosphate aluminum salt gel and alkyl phosphate gel left in the pipeline, depends on the acid-base effect and the oxidation-reduction effect to act respectively or achieve the chemical synergistic effect, the formula of the gel breaker can be selected according to actual requirements, and the pertinence is high; the gel breaker provided by the invention also has the advantages of excellent environmental friendliness and controllable cost.

This invention discloses a preparation process for a moisturizing, anti-damage, and nourishing nail gel, belonging to the field of nail gel preparation technology. The process includes the following steps: mixing and stirring flexible aliphatic polyurethane acrylate, epoxidized soybean oil acrylate, isoborneol acrylate, and tripropylene glycol diacrylate; adding 2,4,6-trimethylbenzoyl-diphenylphosphine oxide and stirring; sequentially adding alkyl phosphate, polydimethylsiloxane, and an organosilicon defoamer and stirring; adding modified hydrolyzed keratin and stirring; adding modified plant squalane and stirring; adding modified calcium lactate and stirring; and adding a functional agent and stirring to obtain a mixture. The mixture is then vacuum degassed and filtered using a filter to remove impurities, yielding a moisturizing, anti-damage, and nourishing nail gel. In this invention, modified plant squalane is added, which is completely compatible with the gel layer and can form strong hydrogen bonds with the nail surface, locking the moisturizing ingredients firmly between the nail surface and the gel layer, preventing evaporation and loss, and achieving long-lasting moisture retention.

The application provides a flame retardant, a flame-retardant nylon fabric, a preparation method and application thereof, and belongs to the technical field of flame retardants. The flame retardant comprises the following components: alkyl phosphate, sulfur / nitrogen-based compound, melamine and solvent; the alkyl phosphate is aliphatic or aromatic containing 1-18 carbon atoms; the ester group in the alkyl phosphate is a mono- or poly-ester containing 1-12 carbon atoms; the sulfur / nitrogen-based compound is a compound containing sulfonic acid group and amino group simultaneously. The flame retardant prepared by the application is used for impregnation treatment of nylon fabric. With the help of phosphate groups, sulfonic acid groups and amino groups in the flame retardant, in the combustion process, a non-volatile phosphoric acid layer is generated to cover the surface of the fabric to isolate oxygen, and a large amount of non-combustible gas is generated to reduce the oxygen concentration, thereby hindering the combustion of the fabric. The prepared flame-retardant nylon fabric has a limiting oxygen index of 35.1-42.4%, reaches the non-combustible standard, has excellent flame-retardant performance, and the melt dripping phenomenon is obviously improved.

According to an embodiment of the present disclosure, aiming to resolve a technical problem, this gel polymer electrolyte comprises a crosslinked polymer, a fluorinated linear alkyl phosphate compound, a lithium salt, and an organic solvent, wherein the total content of the crosslinked polymer is 3-50 wt % relative to the total weight of the gel polymer electrolyte, and the total content of the fluorinated linear alkyl phosphate compound is 3-20 wt % relative to the total weight of the lithium salt, the organic solvent, and the fluorinated linear alkyl phosphate compound.

The invention discloses diesel-based gel as well as a preparation method and application thereof, and belongs to the technical field of oilfield chemical agent preparation. The diesel oil-based gel is prepared from the following components in parts by weight: 90 to 110 parts of diesel oil, 1.8 to 2.2 parts of alkyl phosphate, 0.12 to 0.15 part of sodium metaaluminate and 0.01 to 0.04 part of soluble ferric iron salt. According to the preparation method, sodium metaaluminate is taken as a cross-linking agent, and soluble ferric iron salt is taken as a cross-linking promoting agent, so that a synergistic cross-linking effect between aluminum ions and ferric ions is formed, the gelling speed is remarkably increased, and the gelling performance, the mechanical strength and the stability of gel are further improved; meanwhile, the optimal mass ratio of sodium metaaluminate to alkyl phosphate is determined to be 1: 15.2, and the optimal addition amount of ferric trichloride is 1.4 wt% of the mass of alkyl phosphate, so that the brittleness problem under a high crosslinking ratio and the problem of insufficient elasticity under a low crosslinking ratio are effectively solved, and the gel has good strength and hanging performance.

A waterborne external release agent for producing ligno-cellulose composites such as oriented strand board (OSB), particle board (PB) and medium density fiberboard (MDF), which employ isocyanate-based adhesives such as pMDI is provided. The release agent as a formulation includes effective amounts of at least one tertiary ethoxylated fatty amine, effective amounts at least one of an acidic alkyl phosphate ester and an acidic phosphate ester ethoxylate, or combinations thereof, with the balance water. The formulation can also include a defoamer and a nonionic surfactant. The formulation can be applied to mats and / or metal platens when making the ligno-cellulosic composites, wherein the effective amounts of the at least one tertiary ethoxylated fatty amine and the at least one of an acidic alkyl phosphate ester and an acidic phosphate ester ethoxylate, or combinations thereof provide improved release properties, corrosion inhibition for metal surfaces, and minimum film build up when making ligno-cellulosic composites.

The invention discloses an epoxy asphalt reaction type phosphorus-silicon flame retardant, epoxy asphalt concrete and a preparation method of the epoxy asphalt reaction type phosphorus-silicon flame retardant. The epoxy asphalt reactive phosphorus-silicon flame retardant contains a diepoxy group and a phosphorus-silicon synergistic skeleton, so that the limit oxygen index of epoxy asphalt can be greatly improved, meanwhile, good mechanical properties are kept, and the migration rate of the flame retardant is reduced. Compared with the existing reaction type phosphorus-silicon flame retardant, the phosphorus-silicon flame retardant has better flame retardant property, is used for preparing epoxy asphalt concrete, not only improves the flame retardant property, but also can further improve the mechanical property and pavement performance of the asphalt concrete, and is suitable for traffic infrastructure, building municipal engineering, special industrial facilities and other key scenes. According to the method, the silane coupling agent hydrolysate and the alkyl phosphate are subjected to phosphorylation reaction, then epoxy chloropropane is used for blocking, the preparation process is simple, no halogen or heavy metal participates in the preparation process, and the method conforms to European Union REACH regulations and domestic low-toxicity and low-harm building material standards.

The application discloses an epoxy asphalt reactive phosphorus-silicon flame retardant, an epoxy asphalt concrete and a preparation method thereof. The epoxy asphalt reactive phosphorus-silicon flame retardant contains a double epoxy group and a phosphorus-silicon synergistic skeleton, can greatly improve the limiting oxygen index of the epoxy asphalt, maintains good mechanical properties, and reduces the migration rate of the flame retardant. Compared with existing reactive phosphorus-silicon flame retardants, the epoxy asphalt reactive phosphorus-silicon flame retardant has better flame retardant performance, is used for preparing the epoxy asphalt concrete, improves the flame retardant performance of the epoxy asphalt concrete, and further improves the mechanical properties and road performance of the asphalt concrete, and is suitable for key scenes such as traffic infrastructure, building municipal engineering and special industrial facilities. The epoxy asphalt reactive phosphorus-silicon flame retardant is prepared through a phosphorylation reaction of a silane coupling agent hydrolysis product and an alkyl phosphate, and then end-capped by epoxy chloropropane, the preparation process is simple, no halogen and heavy metal are involved, and the epoxy asphalt reactive phosphorus-silicon flame retardant meets the EU REACH regulation and the domestic 'low toxicity and low harm' building material standard.

An aqueous composition includes a binder; and a C4 to C15 alkyl phosphate ester having a mono-ester content of 85% by weight or more of the total alkyl phosphate ester, and a weight percentage (wt%) of the binder in a range of 0.1 to 2.0 wt%. A method includes applying an aqueous composition to a substrate, the aqueous composition including a binder and a C4 to C15 alkyl phosphate ester having a mono-ester content of 85% by weight or more of the total alkyl phosphate ester; and curing the aqueous composition, thereby forming a cured coating.

The invention relates to the technical field of lubricating oil, in particular to a full-methanol fuel engine oil composite additive composition, application of the full-methanol fuel engine oil composite additive composition and full-methanol fuel engine oil. The composite additive composition comprises the following components: a clearing agent which comprises high-base-number calcium alkyl salicylate, low-base-number calcium alkyl salicylate and low-base-number sulfurized calcium alkyl phenolate; the antioxidant comprises an amine type antioxidant and a phenol type antioxidant; the anti-wear agent comprises carbamate, alkyl phosphate amine salt, tricresyl ester, a carboxylic ester derivative and an organic sulfur-phosphorus compound; and the dispersing agent comprises polyisobutylene succinimide. The methanol fuel engine oil thoroughly solves the problems of hydrolysis of lubricating oil additive components and poor acid neutralization capability caused by combustion of methanol fuel, and has better oxidation resistance, wear resistance, cleaning performance, corrosion resistance and dispersion performance compared with the existing full methanol fuel engine oil.

The invention provides a Pickering type sunscreen emulsion and a preparation method thereof. The Pickering type sunscreen emulsion provided by the invention is a water-in-oil type sunscreen emulsion and comprises an oil phase and a water phase, the oil phase contains modified nanoparticles; the modified nanoparticles are inorganic nanoparticles modified by fatty acid, alkyl phosphate or alkyl alkoxy silane; the inorganic nanoparticles comprise at least one of zinc oxide and titanium dioxide; the mass of the modified nanoparticles is 16%-30% of the mass of the oil phase; the volume ratio of the water phase to the oil phase is (3-7): (3-7). Amphiphilic modified nanoparticles are introduced into an oil phase, and the addition amount and the water-oil volume ratio of the modified nanoparticles are controlled, so that the modified nanoparticles can form a compact and high-strength particle interface film on an oil-water interface, and finally the Pickering emulsion with excellent stability is obtained; in addition, inorganic nano-particles in the modified nano-particles are inorganic physical sun-screening agents, and irritation is low.

The application relates to the technical field of filtering media, in particular to an acid-resistant nanofiltration membrane and a preparation method thereof, which comprises the following steps in sequence: S1, providing a water-phase solution and an oil-phase solution; the water-phase solution is an aqueous solution in which polyamine monomers are dissolved; the oil-phase solution is an organic solution in which isocyanate monomers and alkyl phosphate salt compounds serving as reaction accelerators are dispersed; S2, contacting the water-phase solution and the oil-phase solution on a support base film to generate an interface polymerization reaction so as to form a polyurea active separation layer on the surface of the support base film; and S3, heat treatment, to obtain the acid-resistant nanofiltration membrane. A small amount of alkyl phosphate salt compounds is added in the oil-phase solution as the reaction accelerators, which can promote the formation of a polyurea active separation layer with a more optimal structure, and the water flux, acid permeation rate and metal ion interception rate of the nanofiltration membrane are simultaneously improved.

The invention relates to the field of cutting fluid, and discloses a corrosion inhibitor, an efficient lubricating water-based cutting fluid and application of the corrosion inhibitor, long-chain alkyl phosphate betaine is selected as a key corrosion inhibitor, phosphate anions and quaternary ammonium salt cations in molecules of the long-chain alkyl phosphate betaine can be firmly adsorbed on metal surfaces with different electrical properties, and the metal surfaces with different electrical properties can be formed. And long-chain alkyl can form a compact hydrophobic layer on the metal surface, so that a foundation is laid for multi-metal compatibility. The corrosion inhibitor disclosed by the invention and a semi-synthetic composite lubricating system have a synergistic interaction effect. Besides, thiophosphate and organic phosphonic acid are compounded to serve as an anti-wear reagent at extreme pressure in the system, and the anti-wear reagent and the adsorption film can form a high-strength chemical reaction film under the extreme pressure condition under the condition that chlorine and boron are not contained, so that the bearing capacity is further improved.

The invention belongs to the technical field of lubricating oil agents, and particularly relates to a seamless textile machinery lubricating oil agent and a preparation method thereof. According to the lubricating oil agent for the seamless textile machinery, the alkyl phosphate dinonyl diphenylamine salt is used as an anti-wear agent, so that the lubricating oil agent has the functions of an extreme pressure agent and an anti-wear agent and has good anti-wear performance. According to the anti-wear agent, the hydrophobicity is increased by introducing long-chain hydrophobic alkyl, and the molecules of the anti-wear agent are endowed with extremely good oil solubility by dioleoyl and nonyl diphenylamine, so that the anti-wear agent is not easy to separate out in a white oil system and has relatively high compatibility in the system. Meanwhile, the product is endowed with excellent extreme pressure performance and anti-friction performance, and the abrasion of a knitting needle in the circulation process is greatly reduced. After the lubricating property is improved, the friction between knitting needles is greatly reduced, and the mechanical temperature rise is reduced. The excellent lubricating effect also reduces the generation of free iron ions, slows down the aging of the oil product, and enables the oil product to have stable performance in the circulation process.

The invention belongs to the technical field of halogen-free flame-retardant TPU (thermoplastic polyurethane), and particularly discloses a halogen-free flame-retardant TPU elastomer composition for matte wires and cables, which is prepared from the following raw materials in percentage by weight: 35-84.9% of TPU, 0.1-0.5% of antioxidant and 0.1-0.5% of lubricant. 10 to 40% of EVA (ethylene vinyl acetate); 5-45% of a phosphorus-nitrogen composite flame retardant system; 0.1-5% of an auxiliary agent; the phosphorus-nitrogen composite flame-retardant system comprises alkyl phosphate metal salt, a melamine derivative and piperazine pyrophosphate. The halogen-free flame-retardant TPU elastomer composition for the matte wires and cables has the characteristics of matte appearance effect, high flame retardance, softness, wear resistance, oil resistance and the like, and can be applied to the field of consumer electronics and cables.

The invention belongs to the technical field of oil and gas field scale inhibition, and relates to a high-temperature-resistant antioxidant scale inhibitor for fracturing, a fracturing fluid system containing the same and a preparation method of the high-temperature-resistant antioxidant scale inhibitor. The scale inhibitor comprises amino trimethylene phosphate alkyl ester, hydroxy ethylidene diphosphate alkyl ester, ethylenediamine tetramethylene phosphate alkyl ester and an emulsifier. Dissolving an emulsifier in pure water to form a water phase solution; and stirring and mixing amino trimethylene ethyl phosphate, hydroxy ethylidene ethyl diphosphate and ethylenediamine tetramethylene ethyl phosphate, and then mixing and stirring with the aqueous phase solution to form the high-temperature-resistant antioxidant scale inhibitor for fracturing. The scale inhibitor is esterified organophosphate, has water insolubility, forms an oil-in-water emulsion under the action of an emulsifier, and can release organophosphoric acid through a slow hydrolysis reaction at a high temperature of a stratum after entering the stratum along with fracturing fluid, so that the scale inhibitor is prevented from being damaged by an oxidation reaction of a gel breaker after entering the stratum; the high-stability scale inhibition and prevention performance is still kept, so that the damage of the fracturing fluid to the stratum is reduced.