65 results about "Erucyl amide" patented technology

The invention relates to the technical field of polymer fibers, and particularly discloses an antibacterial and antistatic polymer fiber for fabric and a preparation method thereof. The antibacterial and antistatic polymer fiber for the fabric comprises the following raw materials: 40-60 parts of a copolymerized polyester base material; 8 to 12 parts of a modified UiO-66 antibacterial agent; 5-10 parts of a composite antistatic agent; 2 to 5 parts of polyether ester amide; 1 to 3 parts of tributyl citrate; 0.5 to 2 parts of erucyl amide; 0.3 to 1 part of a composite antioxidant; the modified UiO-66 antibacterial agent is obtained by modifying UiO-66 by using curcumin and a silane coupling agent. The polymer fiber has excellent antibacterial performance and antistatic performance, and can meet the use requirements of high-end scenes such as medical protection, infant home textiles and precision electronic workshop tools.

The invention discloses a pH-responsive alkaline clean fracturing fluid as well as a preparation method and application thereof, and belongs to the technical field of oil and gas field fracturing. The cleaning agent comprises the following components in parts by mass: 1-5 parts of an anionic surfactant, 1-5 parts of a zwitterionic surfactant, 0.2 part of a pH regulator and 100 parts of deionized water, wherein the anionic surfactant is sodium oleate or sodium stearate; the zwitterionic surfactant is erucyl amide propyl betaine or oleamide propyl betaine; and the surfactant is a surfactant. The pH regulator is any one of sodium hydroxide, potassium hydroxide and sodium bicarbonate. The fracturing fluid is a clean fracturing fluid system based on pH response type micelle dynamic reconstruction, and through the synergistic effect of a specific surfactant and a pH response mechanism, accurate and rapid regulation and control of viscosity, zero residue damage and construction process simplification are achieved; the technical problems that an existing surfactant fracturing fluid is complex in compounding process, cannot be recycled after gel breaking, is slow in gel breaking response and narrow in application range are solved.

The embodiment of the invention discloses a plastic filling lubricating master batch and a preparation method thereof. The plastic filling lubricating master batch comprises a filling agent, a polypropylene material, a heat stabilizer, an antioxidant, a reaction accelerator, a modifier, an elastic material, a lubricant and a coupling agent, wherein the filling agent is calcium carbonate; the polypropylene material is polypropylene 7042; the heat stabilizer is compounded by zinc stearate and a beta-diketone auxiliary stabilizer; the antioxidant comprises a main antioxidant, an auxiliary antioxidant and a synergist; the reaction accelerant is a compound of stearic acid and citric acid; the modifier is PE wax and / or EBS; the elastic material is POE (Polyolefin Elastomer); the lubricant is prepared by compounding erucyl amide and modified polyethylene wax; the coupling agent is a titanate coupling agent.

The invention discloses a detection reagent for detecting MHC-II expression of gastric cancer tissue tumor cells. The detection reagent comprises the following components in parts by mass: 10-30 parts of a paraffin section preparation solution, 2-10 parts of a dewaxing solution, 2-10 parts of a sodium citrate antigen repair solution and 20-40 parts of an immunohistochemical staining solution, the dewaxing liquid comprises xylene and at least one of a flavonol aminobenzoate derivative and erucyl amide benzoic acid benzyl trimethyl ammonium salt, the flavonol aminobenzoate derivative has a nitrogen-containing group and a benzene ring, and the erucyl amide benzoic acid benzyl trimethyl ammonium salt has long-chain unsaturated alkane and a nitrogen-containing group. The invention provides a detection reagent for detecting MHC-II expression of gastric cancer tissue tumor cells, and high-quality immunohistochemical staining sections can be obtained, so that the sensitivity and specificity of MHC-II expression detection are improved.

The application discloses a high-opening transparent polyethylene film, which is prepared from the following raw materials: 100 parts by mass of linear low-density polyethylene, 0.025-0.055 parts by mass of a compounded opening agent, 0.05-0.20 parts by mass of a slip agent and 0.05-0.20 parts by mass of an antioxidant; the compounded opening agent is compounded from silane-modified silicon dioxide, hydrated magnesium silicate and a cyclic olefin polymer, the mass ratio of the silicon dioxide, the hydrated magnesium silicate and the cyclic olefin polymer is 1:1:2-3:3:1, the slip agent is erucic acid amide, and the melt mass flow rate of the cyclic olefin polymer at 230 DEG C and under a load of 2.16KG is 3-10 g / 10min. By compounding the three opening agents, the amount of the silicon dioxide used is greatly reduced compared with the prior art.

The application discloses a low-molecular-weight hydrophobic associating polymer, and a molecular formula of the low-molecular-weight hydrophobic associating polymer is: wherein R is erucylamide propyl dimethyl quaternary amine, hexadecyl dimethyl quaternary amine, octadecyl dimethyl quaternary amine or behenyl dimethyl quaternary amine, x, y, z and m are monomer molar ratios, x is 69% to 80%, y is 16% to 23%, z is 3.5% to 7%, and m is 0.5% to 1%. The application further discloses a preparation method and application of the low-molecular-weight hydrophobic associating polymer. The fracturing fluid prepared from the low-molecular-weight hydrophobic associating polymer has excellent hydrophobic associating performance, shows the characteristics of low viscosity and high elasticity, can simultaneously meet the construction requirements of strong sand carrying capacity and easy pumping, and has a good application prospect in oilfield fracturing.

The invention relates to a high-wear-resistance offset printing over-printing varnish for packaging and a preparation method thereof, and the formula of the high-wear-resistance offset printing over-printing varnish comprises phenol-free resin, linseed oil, tung oil, high-boiling-point aromatic-free solvent oil, polyethylene wax and an auxiliary agent, and also comprises erucyl amide; phenol-free resin is used in the gloss oil, so that the harm to the environment can be reduced; the erucyl amide is added, so that the printing performance of the gloss oil can be improved, and the wear resistance and scratch resistance of the gloss oil are improved. Compared with common offset printing gloss oil, the high-wear-resistance offset printing gloss oil provided by the invention is high in glossiness, good in wear resistance and good in drying performance, and a printed product is not easy to yellow after being used for printing; after the surface of a printed product is printed, the gloss of the printed product is improved, the printed product is well protected, abrasion is not prone to occurring, moisture is prevented, and the quality of the printed product can be effectively improved.

The invention provides high-flatness environment-friendly plastic woven tube cloth and a preparation method thereof, and relates to the technical field of plastic woven tube cloth. The high-flatness environment-friendly plastic woven tube cloth comprises a plastic woven tube cloth substrate, a one-way stress constraint layer and an elastic buffer transfer layer, the plastic woven tube cloth base is formed by interweaving regenerated PP flat filaments in a plain weave mode, the warp density is 10-12 pieces per inch, the weft density is 8-10 pieces per inch, and the monofilament thickness deviation is smaller than or equal to 3%; the unidirectional stress constraint layer is prepared from the following components in percentage by mass: 50%-55% of semi-crystalline PP resin, 25%-30% of directionally-arranged flaky nano talcum powder, 8%-10% of an anchoring type compatilizer, 3%-5% of a unidirectional constraint aid, 3%-5% of nano calcium carbonate and 0.5%-1% of an antioxidant 1010; the one-way constraint auxiliary agent is erucyl amide. And the elastic buffer layer disperses loads, no fracture layering exists under the large loads, the full-PP-based material can be recycled, and the requirements for environmental protection and high-end application are met.

The invention relates to an anti-sticky polypropylene material and a preparation method thereof, and belongs to the technical field of high polymer materials. 2, 5-dimercaptothiadiazole and vinyl dibutyl borate are subjected to a mercapto-olefin Michael addition reaction and then subjected to a Michael addition reaction with erucyl amide, erucyl amide and boric acid ester can be grafted to a molecular chain with thiadiazole as a core, the branching degree of the molecular chain is increased, and the molecular chain can be grafted with erucyl amide and boric acid ester. The erucyl amide unit in the additive can play the roles of a crystal nucleating agent and a lubricant, improve the crystallization rate of polypropylene, improve the mechanical property, and migrate to the surface of polypropylene to form a uniform lubricating layer and reduce the friction and adhesion of a polypropylene chain; and the additive has a branched structure and can be firmly embedded in a polypropylene matrix, so that the durability is improved. And a borate unit and a thiadiazole unit in the additive can also play a lubricating role and an anti-aging role, so that the scratch resistance and the anti-aging performance of the polypropylene material are further improved.

The invention relates to the technical field of recycled asphalt mixtures, and particularly discloses a recycled asphalt mixture with good durability and a preparation method thereof. The invention discloses a recycled asphalt mixture with good durability. The recycled asphalt mixture is prepared from 60-80 parts of a waste asphalt mixture reclaimed material, 4-7 parts of new asphalt, 15-18 parts of a new aggregate, 2-5 parts of fibers, 3-7 parts of a regenerant and 2-5 parts of filler, wherein the regenerant is prepared from aromatic hydrocarbon oil, triethylene glycol di-2-ethylhexoate, 2-ethylhexyl diphenyl phosphate, dioctyl terephthalate, epoxidized soybean oil, dipropylene glycol methyl ether acetate, polymethylene polyphenyl polyisocyanate, oleic acid hydroxyethyl imidazoline, 0 erucyl amide and barium petroleum sulfonate. The recycled asphalt mixture provided by the invention can effectively resist generation of diseases such as ruts and cracks, the service life of a road is remarkably prolonged, and the maintenance cost of the road is reduced.

The invention provides a degradable environment-friendly membrane material and a preparation method thereof. The degradable environment-friendly membrane material is prepared from a first PBS (Phosphate Buffer Solution) layer, a gel layer and a second PBS layer, wherein the gel layer is prepared from the following components in parts by weight: 1 to 10 parts of carrageenan, 1 to 5 parts of cellulose, 0.1 to 1 part of erucyl amide, 0.1 to 1 part of surfactant and 0.1 to 1 part of carbon nano tube. According to the degradable environment-friendly membrane material and the preparation method thereof provided by the invention, the membrane material is green, environment-friendly and degradable, reduces pollution to the environment, is high in biological decomposition rate, high in strength and low in cost, has the use characteristics of traditional plastic membranes, and can achieve the purpose of complete biodegradation without specific conditions.

The present application belongs to the technical field of analysis and detection, and particularly relates to a determination method of erucamide in erucamide product. The present application dissolves the erucamide to be detected into a solution, then injects into a gas chromatograph instrument for quantitative detection, obtains a gas chromatogram, and calculates the content of erucamide in the erucamide product to be detected according to the area normalization method. The determination method of the present application can separate the erucamide in the erucamide product to be detected without interference, and accurately detect the content. The data of the examples show that the absolute deviation of the determination method provided by the present application is between-0.5 and +0.5, indicating that the determination method of the present application is accurate and reliable, has the advantages of high sensitivity, strong resolution and fast analysis speed, and is suitable for production process monitoring and product quality detection control.

The invention relates to a bicomponent fiber comprising a first component comprising a first polypropylene homopolymer and a second component comprising a second polypropylene homopolymer and a slip agent, wherein the slip agent is selected from the group consisting of stearyl erucamide, polyol esters of monocarboxylic acids, pentaerythritol monooleate, saturated and unsaturated fatty acid amides or ethylenebis(amides), glycols, polyether polyols, adipic acid and sebacic acid and combinations thereof and wherein the amount of the slip agent with respect to the second component is 0.05 to 1.00 wt%, wherein the first component has a melt flow index MFI1 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg and the second component has a melt flow index MFI2 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg of MFI2 and the difference between MFI1 and MFI2 is 0.0 to 25.0 dg / min

The invention relates to the technical field of functional polyethylene, in particular to high-transparency easy-to-open linear low-density polyethylene and a preparation process thereof. The high-transparency easy-to-open linear low-density polyethylene comprises the following raw materials: linear low-density polyethylene, an antioxidant, an ultraviolet light absorber, an acid acceptor, an antistatic agent, an anti-blocking agent and a slipping agent, the anti-blocking agent is silicon dioxide, the slipping agent is erucyl amide, the ultraviolet light absorber is 2-hydroxy-4-n-octyloxybenzophenone, the acid acceptor is 2-hydroxy-4-n-octyloxybenzophenone, and the antistatic agent is 2-hydroxy-4-n-octyloxybenzophenone. The anti-blocking agent, the slipping agent and the ultraviolet light absorber are added in the form of a complex, a silane coupling agent is added in the complex, and the silane coupling agent contains an epoxy group. The high-transparency easy-to-open linear low-density polyethylene disclosed by the invention has excellent transparency and opening property.

The invention relates to the technical field of medical instruments, and discloses a preparation method and application of a disposable pump infusion apparatus extension tube. Medical-grade polyvinyl chloride, a polyolefin elastomer, polyethylene glycol terephthalate, thermoplastic vulcanized rubber, an acetyl tributyl citrate plasticizer, a titanium dioxide coloring agent, a zinc-based stabilizer, a zinc stearate lubricant, an antioxidant, an erucyl amide anti-blocking agent, a chitosan antibacterial agent and a carbon fiber reinforcing agent are prepared as main raw materials; preparing a PP filter membrane, a PC joint and a PE protective cap according to the total mass use ratio of a finished product as key functional components, firstly, drying, crushing, sieving and disinfecting part of the raw materials, weighing and proportioning in a hundred-grade clean room according to a formula, mixing and plasticizing into a molten material through high-speed stirring and twin-screw extrusion, sizing and cooling after extruding a pipe blank, and assembling the functional components, so as to obtain a finished product. An on-line quality monitoring system is installed on the production line to automatically recognize and isolate unqualified products, finally, finished products are comprehensively detected, and qualified products are sterilized through ethylene oxide and then packaged in a full-sealed mode.

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) material as well as a preparation method and a product thereof. The ABS material is used for solving the technical problem that an ABS material in the prior art cannot meet the hydrophobic property and the antistatic property at the same time. The ABS material provided by the invention comprises the following components in percentage by mass: 70-95% of ABS resin; 5-30% of an erucyl amide grafted organic silicon auxiliary agent; and 0.3%-0.5% of an antioxidant. In the ABS material, the erucyl amide grafted organic silicon additive is introduced into the ABS resin, so that the ABS material can simultaneously meet the hydrophobic property and the antistatic property.

This invention discloses a transparent polyethylene film with stable frictional properties and its preparation method. The film is prepared from the following raw materials: 100 parts by weight of linear low-density polyethylene, 0.025-0.055 parts by weight of a compounded opening agent, 0.05-0.20 parts by weight of a slip agent, and 0.05-0.20 parts by weight of an antioxidant. The compounded opening agent is obtained by compounding silane-modified silica with a cyclic olefin polymer, and the mass ratio of silica to cyclic olefin polymer is 1:1 to 6:1. The slip agent is erucamide, and the melt flow rate of the cyclic olefin polymer at 230°C and 2.16 kg is 3 g / 10 min to 10 g / 10 min. By using two compounded opening agents, this invention significantly reduces the amount of silica used compared to the prior art using silica alone. At the same addition amount, it exhibits better opening and transparency compared to the prior art, and also has good friction coefficient stability.

The invention discloses a biodegradable polyester composition as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The biodegradable polyester composition provided by the invention is prepared from the following components in parts by mass: 38 to 72 parts of biodegradable polyester composition, 18 to 47 parts of PLA (Polylactic Acid), 0.8 to 16 parts of filler, 0.01 to 1 part of slipping agent and 0.01 to 1 part of nucleating agent, the biodegradable polyester composition comprises PBAT and PBS, and the mass ratio of the PBS to the PBAT is greater than or equal to 4; the slipping agent is prepared from at least one of erucyl amide, oleamide and ethylene bistearic acid amide; the nucleating agent comprises at least one of an aromatic sulfonate nucleating agent and a hydrazide nucleating agent. The biodegradable polyester composition provided by the invention has excellent dimensional stability, meanwhile, a sprue breaking phenomenon cannot occur in a processing process, and the forming time is short.

The application discloses a kind of preparation methods for high transparent polyethylene film additive, belong to polyethylene technical field, to solve the technical problems of high transparent polyethylene film in prior art, high production cost, aging resistance performance needs to be further provided, including nucleating agent grafting quaternary ammonium salt modified nanosilica and low-density polyethylene are mixed, initiator is added, by melt grafting reaction in twin-screw extruder, reaction is finished, extrusion, cooling, granulation, obtain intermediate I;Intermediate I, antioxidant 168, antioxidant 1076, zinc stearate, antistatic agent 1800 and mustard acid amide are mixed, to obtain high transparent polyethylene film additive;The high transparent polyethylene film additive prepared in the application is mixed with low-density polyethylene, and the processing performance is good, to obtain the high transparent polyethylene film with lower cost;This film not only has good transparency and tensile property, but also has good aging resistance.

The invention relates to the technical field of elastic materials. The degradable elastic material is prepared from the following raw materials in parts by weight: 40 to 50 parts of bio-based polyether polyol, 20 to 30 parts of polylactic acid, 6 to 10 parts of bio-based polybutylene terephthalate, 6 to 10 parts of bio-based polycaprolactone triol, 4 to 6 parts of filler, 2 to 4 parts of citric acid, 2 to 4 parts of itaconic anhydride, 0.6 to 1 part of zinc stearate, 0.4 to 0.6 part of stannous octoate and 1 to 6 parts of 1, 3-pentanediol monoisobutyrate. And 2 parts of erucyl amide. According to the invention, bacteria can metabolize, breed and secrete hydrolase, the hydrolase is fixed in the filler in the subsequent freeze-drying treatment, and when the final material is in an environment rich in microorganisms, the preloaded hydrolase can be activated and slowly released to start a hydrolysis reaction in the material, so that the breakage of a polymer chain is greatly accelerated; the degradation efficiency of the kettle material made of the degradable elastic material is effectively improved.

The application provides an industrial flame-retardant antistatic fabric and a preparation method thereof, and belongs to the technical field of industrial fabric preparation, and comprises the following steps: mixing polypropylene particles, composite particles, antioxidant 1010, calcium stearate and erucamide, heating and stirring, melt extruding, air cooling, and obtaining nascent fibers; uniformly spreading the nascent fibers, hot rolling, and cooling to obtain the industrial flame-retardant antistatic fabric; the composite particles are obtained by mixing polyetherimide and N-methylpyrrolidone, heating and stirring, adding polyacrylate, poly(3,4-ethylenedioxythiophene)-polystyrene sulfonic acid, ammonium bicarbonate and polyvinylpyrrolidone, uniformly stirring, and performing spray drying to obtain porous master batches; the porous master batches are soaked in an ammonium polyphosphate solution, vacuum heating, poured into a polyvinyl alcohol solution, heated, filtered, washed and dried to obtain the industrial flame-retardant antistatic fabric. The industrial fabric provided by the application has good flame-retardant and antistatic properties.

The invention belongs to the technical field of defoaming agents, and particularly relates to an aqueous emulsion type non-silicon defoaming agent and a preparation method thereof. Perfluoroalkyl is used for reducing the surface tension of erucyl amide, so that fluorine-modified erucyl amide forms a surface tension gradient on the surface of a foam liquid film, and local thinning and breaking of the foam film are promoted; long-chain alkyl in fluorine modified erucyl amide and perfluoroalkyl cooperate to achieve hydrophobic anchoring, surfactant molecules on the surface of a foam film are replaced, the liquid drainage process is accelerated, and foam is rapidly broken; after foam breaking, the long-chain polyether segment of the polyether polyol is adsorbed on a foam breaking interface to form a buffer layer, so that aggregation of air to the foam breaking interface is delayed, secondary foaming is prevented, and long-term foam inhibition is realized; the polyether grafted stearate is bridged with the fluorine modified erucyl amide and the polyether polyol, so that the strong repulsive interaction between the polyether grafted stearate and the fluorine modified erucyl amide is eliminated, and the stability of the aqueous emulsion type non-silicon defoaming agent is improved.

Abstract:A TPO roofing membrane including an extruded TPO material with a fatty acid amine such as erucamide added to reduce surface energy for increased stain resistance.

The application discloses a modified polyethylene plastic film material and a preparation method thereof; the raw materials of the film material include the following components in parts by weight: 100 parts of linear low-density polyethylene, 0.1 to 0.3 parts of erucamide, 2.0 to 6.0 parts of hydrogenated dicyclopentadiene alicyclic resin and 0.5 to 2.0 parts of ethylene-acrylic acid copolymer; during preparation, the components are melt-extruded into a film to construct a physical steric hindrance; a moderate amount of erucamide is migrated to the surface to provide initial slipperiness by controlling the cooling rate to construct a medium-temperature transition zone; finally, the film is shaped by physical quenching with a clamp roll, and a hydrogen bond network is formed by activating the carboxyl groups of the copolymer and the residual erucamide at low temperature to complete chemical anchoring. Through the synergy of the material components and the specific temperature field process, the excessive precipitation of the slip agent during the long-term storage of the film is effectively inhibited, and the problems of film crystallization, blooming, haze increase and surface wetting tension attenuation are solved.

The application relates to the technical field of laminated paper processing, and particularly discloses a polyethylene laminated paper capable of photocatalytic degradation and a preparation method thereof. The polyethylene laminated paper capable of photocatalytic degradation comprises the following raw materials in parts by weight: 70-80 parts of polyethylene, 0.5-0.8 parts of erucic acid amide, 1-3 parts of photo-oxygen degradation master batch, 0.2-2 parts of silicone powder, 0.1-0.5 parts of photosensitizer and 1-3 parts of nano inorganic filler, wherein the photo-oxygen degradation master batch is obtained by loading titanium dioxide on Mxene material; the preparation method comprises the following steps: uniformly mixing the polyethylene, the photo-oxygen degradation master batch, the silicone powder and the erucic acid amide, heating and melting, sequentially adding the photosensitizer and the nano inorganic filler, and continuously uniformly dispersing and mixing; and spraying the obtained laminated material on the base paper, drying and obtaining the polyethylene laminated paper capable of photocatalytic degradation. The composition disclosed by the application can be used in the packaging of food, medicine, agriculture and other industries, and has the advantages of rapid degradation, no pollution to the environment and good tensile strength.

The application discloses an ABS composite material and a preparation method and application thereof, and relates to the technical field of engineering plastics.The raw material of the ABS composite material comprises the following components in parts by weight: SAN resin 44-67 parts; high glue powder 13-26 parts; nylon resin 9-32 parts; surface modifier 0.8-7 parts; the high glue powder is ABS high glue powder; the surface modifier comprises oleic acid amide and erucic acid amide, and the mass ratio of the oleic acid amide to the erucic acid amide is (1-5):(1-5). The ABS composite material has excellent softness, and also has excellent scratch resistance and stain resistance.

The invention discloses a plastic bucket for food and a preparation method thereof, and belongs to the technical field of plastic buckets for food. Comprising modified ethylene-vinyl alcohol copolymer particles and modified brucite fibers, high-density polyethylene, the modified ethylene-vinyl alcohol copolymer particles, glycidyl methacrylate, the modified brucite fibers, a composite antioxidant, erucyl amide and pigment are weighed, extrusion granulation and injection molding are performed, and the plastic bucket for food is obtained. The ethylene-vinyl alcohol copolymer is subjected to tall oil acid modification, the brucite fibers subjected to acid activation and silane coupling agent modification are matched, and the synergistic filling effect of erucyl amide is achieved, so that all components in the material are tightly combined, a permeation path of external gas is effectively blocked, and contact between the gas and food in a barrel is delayed.

The invention provides an industrial flame-retardant antistatic fabric and a preparation method thereof, and belongs to the technical field of industrial fabric preparation, and the preparation method comprises the following steps: mixing polypropylene particles, composite particles, an antioxidant 1010, calcium stearate and erucyl amide, heating and stirring, carrying out melt extrusion, and air-cooling to obtain nascent fibers; the nascent fibers are uniformly laid, hot-rolled and cooled, and the industrial flame-retardant antistatic fabric is obtained. The preparation method of the composite particles comprises the following steps: mixing polyetherimide and N-methyl pyrrolidone, heating and stirring, adding polyacrylate, poly (3, 4-ethylenedioxythiophene)-polystyrolsulfon acid, ammonium bicarbonate and polyvinylpyrrolidone, uniformly stirring, and carrying out spray drying to obtain porous master batches; soaking the porous master batch into an ammonium polyphosphate solution, heating in vacuum, pouring into a polyvinyl alcohol solution, heating, filtering, washing and drying to obtain the composite material. The industrial fabric provided by the invention has good flame-retardant and antistatic properties.

The invention discloses a high-temperature-resistant waterproof lock fracturing fluid and a preparation method thereof. The fracturing fluid is prepared from an oleamide surfactant, an erucyl amide surfactant, sodium salicylate, a water blocking inhibitor, a synergist, a pH regulator, a clay stabilizer and water. The water blocking inhibitor is a mixture of methanol and a fluorine-containing surfactant, the fluorine-containing surfactant is of a perfluoropolyether structure, and the fluorine-containing surfactant is selected from one of a structural formula of CF3CF2CF2OCF (CF3) CF2OCF (CF3) COONH4, a structural formula of CF3CF2OCF (CF3) CF2OCF (CF3) COONH4, and a structural formula of CF3CF2OCF2OCF2OCF2COONH4. When the fracturing fluid provided by the invention is applied to deep tight gas reservoir fracturing, on-site construction requirements are met, meanwhile, the water blocking phenomenon can be more effectively inhibited, water blocking damage to a reservoir is reduced, the gas well yield is improved, and the fracturing fluid provided by the invention is higher in temperature resistance and can be applied to the reservoir with the well temperature as high as 200 DEG C.