89 results about "Fluorosurfactant" patented technology

The invention relates to the field of oil well opening and killing fluid production, in particular to a solid-free well killing fluid for shale oil reservoir and a preparation method of the solid-free well killing fluid. The solid-free well killing fluid for the shale oil reservoir comprises the following raw materials in parts by mass: 50-70 parts of water, 10-30 parts of a density regulator, 3-6 parts of a copolymer tackifier, 1-3 parts of a dispersant, 3-7 parts of a filtrate reducer and 2-4 parts of a corrosion inhibitor. The copolymer tackifier is obtained by initiating copolymerization by taking acrylamide, a quaternary ammonium salt-containing monomer, an unsaturated silane coupling agent and polyethylene glycol diacrylamide as monomer free radicals, and the dispersing agent comprises gas-phase nano silicon dioxide and a fluorine-containing surfactant. Through reasonable compatibility of all the components in the formula, especially the copolymer tackifier, the effect that one agent has multiple functions is achieved, and meanwhile the high temperature resistance, the corrosion inhibition performance and the clay stability of the well killing fluid are improved.

The invention relates to the technical field of surfactants, in particular to an anti-fog combined liquid for an optical lens and a preparation method and application thereof. The antifogging combined liquid is prepared from the following raw materials in percentage by mass: 0.1%-3% of a fluorine-containing surfactant, 0.01%-0.5% of a silicon-containing surfactant, 0.5%-3% of cation modified phosphate, 20%-60% of a solvent and the balance of deionized water. The antifogging combination liquid provided by the invention is applied to an antifogging wiping wet tissue for lenses, has an excellent antifogging effect, can be uniformly spread, is not obvious in left marks, and is suitable for coated high-end optical lenses.

Surfactant and cleaning compositions for cleaning of food and beverage processing equipment and milking systems. The surfactant composition includes a hydrocarbon surfactant selected from alkyl glucosides, alkyl poly glucosides and amphoteric-based sultaine surfactants, or combinations thereof, and a fluorosurfactant.

The invention relates to an alloy self-repairing antifouling coating for ships and a preparation method of the alloy self-repairing antifouling coating. The alloy self-repairing antifouling coating is prepared from components of raw materials in parts by weight as follows: 40-60 parts of modified epoxy resin, 10-25 parts of multifunctional packaging alloy microspheres, 5-15 parts of a dynamic cross-linking agent, 3-10 parts of nano reinforcing filler and 1-5 parts of an auxiliary. The surface of the modified epoxy resin is modified by a fluorine-containing surfactant and / or polyurethane. The fluorocarbon chain segment and / or the polyurethane chain segment are / is introduced into the epoxy resin, so that the coating is endowed with excellent anti-scouring performance and a long-term self-maintaining antifouling function.

The invention belongs to the field of functional textile materials, and particularly relates to a chlorine-resistant wear-resistant waterproof fabric and a preparation method thereof. The fabric is prepared from the following raw materials in parts by weight: 40 to 70 parts of modified polyurethane elastomer, 20 to 50 parts of fluorine alkene urea alkyl ester, 2 to 6 parts of amino silane, 1 to 3 parts of fluorine-containing surfactant, 1 to 4 parts of cross-linking curing agent and 0.5 to 1.5 parts of flatting agent. A fluorine-containing urea alkyl ester and amino silane cross-linking system is introduced, and a chitosan grafted polyurethane structure with hydrophilicity and flexibility is combined, so that a compact protective coating with slow-release elasticity is constructed, and chlorine resistance, wear resistance and water resistance are remarkably improved. The material has excellent film-forming property and is suitable for complex working conditions of long-term water immersion and frequent friction. The prepared fabric has excellent structural stability and weather resistance, can be widely applied to the fields of swimsuits, outdoor protective clothing and industrial filter cloth, and has good market popularization value.

The present disclosure provides, inter alia, compositions and methods for improving the performance of metal ion batteries. In some aspects, the present disclosure provides an electrolyte comprising a fluorosurfactant additive that is effective to improve battery life, initial capacity, capacity fade, wetting time, and dendrite formation in metal ion batteries.

The invention relates to the technical field of dichlorooctafluorobutane, and provides a preparation process of 2, 3-dichlorooctafluorobutane, and the preparation process comprises the following steps: S100, adding a fluorine phase into a polar phase, and carrying out shearing treatment to obtain a microemulsion; s200, carrying out photoelectric synergistic activation treatment on the microemulsion to obtain 2, 3-dichlorooctafluorobutane; wherein the polar phase comprises a solvent, an electrolyte, a photocatalyst and a stabilizer; the fluorine phase comprises a fluorine-containing substrate, an inert fluorine solvent and a fluorine-containing surfactant. According to the preparation method, the fluorine phase is added into the polar phase containing the photocatalyst and the electrolyte, a stable micro-emulsion system with a nanoscale interface is formed through high-speed shearing, and then photoelectric synergistic activation is implemented, so that precise regulation and control on a perfluoro-2-butene chloride addition reaction path are realized, and the synthesis efficiency and selectivity of the 2, 3-dichlorooctafluorobutane are remarkably improved.

The invention discloses a high-heat-resistance and anti-fouling TPO (thermoplastic polyolefin) automobile interior composite material and a preparation method, relates to the technical field of automobile interior layered artificial leather materials, and aims to meet the requirements of light-color TPO automobile interior materials on heat resistance and anti-fouling performance at the same time. The TPO compact layer comprises the following components: a bio-based material, modified TPO particles, modified polypropylene, nano calcium carbonate, glass beads, a hindered amine light stabilizer, a phosphite ester compound, montmorillonite, nano silicon dioxide, a pigment and polyethylene wax. Two surface coating layers are coated on one surface, and the first layer is prepared from matte resin, silicon dioxide, graphene and nano clay; the second layer comprises bright type resin, semi-bright type resin, an auxiliary agent, a cross-linking agent and water, a fluorine-containing surfactant is adsorbed on the surface of the second layer, and a surface covering layer of a fluorine-containing chain segment is formed; and polypropylene foam is attached to the other surface. The light-color TPO automobile interior composite material can meet the heat resistance, and has the capabilities of resisting pollution and being easy to clean at the same time.

The present invention provides a perfluoropolyether compound that exhibits excellent surface tension reduction ability and excellent foaming properties and foam stability not only when diluted with freshwater but also with seawater, and a fluorine-based surfactant containing the compound. [Solution] A perfluoropolyetherdicarboxylic acid compound represented by the following formula (1) or a salt thereof. JPEG2026104874000023.jpg21118 (In the formula, Rf1 is a perfluoroalkyl group having 1 to 4 carbon atoms. R 1 R is a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms. 2 R is a substituted or unsubstituted hydrocarbon group having 1 to 6 carbon atoms. 3 and R 4 (where n is an integer from 0 to 5.)

The present application relates to the field of oil well killing fluid, and particularly relates to a solid-free well killing fluid for shale oil reservoir and a preparation method thereof. The solid-free well killing fluid for shale oil reservoir comprises the following raw materials: 50-70 parts by mass of water, 10-30 parts by mass of a density regulator, 3-6 parts by mass of a copolymer tackifier, 1-3 parts by mass of a dispersant, 3-7 parts by mass of a fluid loss additive, and 2-4 parts by mass of an inhibitor. The copolymer tackifier is obtained by radical copolymerization of acrylamide, a monomer containing a quaternary ammonium salt, an unsaturated silane coupling agent, and polyethylene glycol diacrylamide. The dispersant comprises fumed nano-silicon dioxide and a fluorine-containing surfactant. The present application plays a multi-functional role through reasonable compounding of the components of the formula, especially the copolymer tackifier, and simultaneously improves the high-temperature resistance, corrosion inhibition, and clay stability of the well killing fluid.

The application relates to the technical field of high polymer composite materials, in particular to a modified polytetrafluoroethylene material and a preparation method thereof, the method comprises the following steps of S1, respectively preparing graphene-coated topological insulator powder, fluorine-containing surfactant modified liquid metal microdroplets and bifunctionalized fullerene, S2, mixing the three to prepare a pre-composite powder, S3, mixing with PTFE resin and then cold pressing to form, and S4, performing gradient sintering densification under a protective atmosphere, wherein the temperature rising rate is controlled to be less than or equal to 2 DEG C / min in a key temperature range of 250 DEG C to 340 DEG C, the application successfully solves the problems of multi-phase interface compatibility and high-temperature protection of functional components through unique component design and interface regulation and a gradient sintering process suitable for heat-sensitive components, and the application has the advantages of super-low friction coefficient, extremely high wear resistance, adjustable volume resistivity, significantly improved thermal conductivity and mechanical strength and excellent photo-thermal conversion efficiency.

Provided is a production method comprising: polymerizing tetrafluoroethylene in the presence of a fluorine-containing surfactant, a polymerization initiator, a hydrocarbon chain transfer agent, and an aqueous medium to prepare an aqueous dispersion containing low molecular weight polytetrafluoroethylene; after preparing the aqueous dispersion, carrying out a pretreatment of the aqueous dispersion; and adding a radical generator to the pretreated aqueous dispersion and subjecting the aqueous dispersion containing the radical generator to a heat treatment, thereby obtaining an aqueous dispersion of low molecular weight polytetrafluoroethylene.

The invention relates to the technical field of nano carbon materials, and particularly discloses a preparation method of single-walled carbon nanotube slurry, the single-walled carbon nanotube slurry and application thereof.The preparation method of the single-walled carbon nanotube slurry comprises the following steps that low-temperature plasma oxidation treatment is conducted on single-walled carbon nanotubes with the tube bundle diameter smaller than or equal to 100 nm and IG / ID larger than or equal to 50, meanwhile, mechanical shearing is conducted, and the single-walled carbon nanotubes with the tube bundle diameter smaller than or equal to 100 nm and IG / ID larger than or equal to 50 are obtained; dispersing in deionized water to obtain primary dispersion liquid of which the beam splitting index is greater than or equal to 0.80; mixing the primary dispersion liquid, a fluorine-containing surfactant, an amphiphilic ionic liquid and deionized water according to a mass ratio, performing high-pressure homogenization, and performing ultrasonic treatment to obtain a secondary dispersion liquid; and adding a pH response type polyelectrolyte into the secondary dispersion liquid, adjusting the pH value of the system to 6.5-8.0, and carrying out microjet homogenization to obtain the single-walled carbon nanotube slurry with the single-beam content of more than or equal to 70%, the viscosity of 500-5000 cP and D50 of less than or equal to 3 microns. According to the invention, on the premise of not introducing metal impurities and obvious structure defects, efficient beam splitting, long-term stable dispersion and batch consistency of the single-walled carbon nanotubes can be realized.

Provided is a method for producing a fluoropolymer aqueous dispersion in which the content of a fluorine-containing surfactant is reduced, the method comprising at least preparing an aqueous dispersion (E) by heating an aqueous dispersion containing a fluoropolymer, a nonionic surfactant and a fluorine-containing surfactant, the aqueous dispersion (E) containing a phase (E1), a phase (E2) and a phase (E3).

The invention provides a surfactant for an oil-displacing agent, the oil-displacing agent and a preparation method of the oil-displacing agent. The method comprises the following steps: mixing a C10-C18 alkyl alcohol material separated from crude oil of a target oil reservoir or a high-salinity and high-temperature oil reservoir of a target oil-displacing agent surfactant with concentrated sulfuric acid to obtain a mixture for preparing the surfactant, reacting at 55-75 DEG C, cooling a reaction product, adding hydroxide to adjust the pH value to 6.8-7.2, adding salt to perform salting-out purification, and separating the crude oil from the crude oil in the target oil reservoir or the high-salinity and high-temperature oil reservoir to obtain the target oil-displacing agent surfactant. And preparing to obtain the surfactant for the target oil-displacing agent. The preparation method comprises the following steps: mixing a surfactant for a target oil-displacing agent with an auxiliary surfactant, a polymer additive, a stabilizer, a wetting reversal agent and water to obtain a mixed stock solution; sequentially carrying out ultrasonic treatment and high-pressure homogenization treatment on the mixed stock solution to obtain the target oil-displacing agent. Wherein the wetting reversal agent is a mixture of alkyl trimethyl ammonium bromide, a fluorine surfactant and fatty acid in a mass ratio of (3-4): (0.8-1.5): 1.

The invention discloses a composite material for preparing a wafer loader and a preparation method of the composite material, and belongs to the technical field of composite materials. The composite material for preparing the wafer loader is prepared from the following components in parts by weight: 60 to 70 parts of modified polyvinylidene fluoride, 20 to 30 parts of modified phenolic resin, 1 to 5 parts of fluorine-containing surfactant, 0.1 to 0.5 part of antioxidant and 0.5 to 1 part of lubricant, the modified polyvinylidene fluoride is polyvinylidene fluoride grafted with a siloxane group. The raw materials of the composite material for preparing the wafer loader are limited and modified, so that the corrosion resistance of polyvinylidene fluoride and phenolic resin is improved, molecules of the modified polyvinylidene fluoride and the modified phenolic resin interact to form a network structure, and invasion of a corrosion medium is favorably resisted; and by adding the fluorine-containing surfactant, the compatibility is improved, the surface energy is reduced, and the corrosion resistance of the composite material is further improved.

The invention relates to the technical field of coatings, and discloses a UV curing coating and a preparation method thereof. Comprising the following raw materials in parts by weight: 85-95 parts of a nano hybrid resin matrix, 40-50 parts of modified epoxy acrylate, 30-40 parts of fluorinated polyurethane acrylate, 5-10 parts of a nano silicon dioxide dispersion liquid, 0.5-2 parts of a chain transfer agent, 3-8 parts of a functional additive, 1-3 parts of hydroxylated carbon nanotubes, 0.5-2 parts of a fluorine-containing surfactant and 4-6 parts of a photo-initiation system. 2-4 parts of a free radical type photoinitiator and 1-2 parts of a cationic photoinitiator. Nano silicon dioxide is introduced into a resin network through chemical bonding, so that the hardness of the coating is improved to 6H, meanwhile, the internal stress is reduced to 1.2 MPa by utilizing a flexible chain segment of fluorinated polyurethane, and the contradiction between the hardness and the adhesive force of a traditional system is solved.

The application discloses a low-surface-tension defoaming agent containing fluorine surfactant and a preparation method thereof. The defoaming agent takes modified fluorine-containing hydrophobic silicon dioxide as a defoaming core, takes perfluoropolyether oil as a carrier, and is compounded with fluorine-containing surfactant and silicone emulsifier. Through a specific adding sequence and the control of temperature and other parameters in the preparation process, the technical problems of poor compatibility of the fluorine-containing component with the defoaming system and easy stable foaming are successfully solved. The defoaming agent prepared by the application has extremely low surface tension and high and persistent defoaming and bubble suppressing performance, and has good emulsion stability, and is suitable for the fields of photoresist, high-end paint and other fields with extremely high requirements on surface tension.

The invention provides a rock debris hydration inhibitor as well as a preparation method and application thereof. The rock debris hydration inhibitor comprises an organic solvent, alkyl silicate, polyether amine, alcohol and a fluorine-containing surfactant.

The invention belongs to the field of cleaning agents, and particularly relates to a hydrocarbon cleaning composition and a preparation method thereof. The invention discloses a hydrocarbon cleaning composition which comprises the following raw materials in parts by weight: 40-60 parts of a hydrocarbon solvent; 28-36 parts of an alcohol ether solvent; 1 to 12 parts of a surfactant; 0.5-2 parts of fatty alcohol ether sodium sulfate; 2-6 parts of a phosphate ester substance; the surface active agent comprises isomeric alcohol polyoxyethylene ether and a fluorine-containing surface active agent. The hydrocarbon cleaning composition combines a hydrocarbon solvent, an alcohol ether solvent, a surfactant, fatty alcohol ether sodium sulfate and phosphate ester substances, and has remarkable advantages in the aspect of semiconductor cleaning. The cleaning agent can efficiently remove particulate pollutants (such as particles and metal scraps on a silicon wafer), can deeply clean a slit structure (such as a high-aspect-ratio groove), does not damage the surface of a chip, considers the material safety and environmental protection requirements, and is suitable for front-end and rear-end cleaning processes in semiconductor manufacturing.

A method for producing a fluoropolymer, which includes: polymerizing a monomer (I) represented by the general formula (I) below in an aqueous medium substantially in the absence of a fluorine-containing surfactant (except for the monomer (I) represented by the general formula (I)) to obtain a crude composition containing a polymer of the monomer (I); removing a dimer and a trimer of the monomer (I) contained in the crude composition from the crude composition to obtain a polymer (I) in which the content of the dimer and trimer of the monomer (I) is 1.0% by mass or less based on the polymer (I); and polymerizing a fluoromonomer in an aqueous medium in the presence of the polymer (I) to obtain a fluoropolymer:wherein X1, X3, X2, A0, R, Z1, Z2, and m are as defined herein.

The application discloses slick water and a preparation method thereof, and belongs to the technical field of downhole working fluid. Raw materials for preparing the slick water include modified nano silicon dioxide 1-3 parts by weight, a drag reduction agent 0.05-0.2 parts by weight, a fluorine-containing surfactant 0.01-0.02 parts by weight, a cleanup agent 0.01-0.05 parts by weight, a clay stabilizer 0.1-0.5 parts by weight and water 100-110 parts by weight. The provided slick water has good reservoir protection and reservoir wetting reverse characteristics by using modified nano silicon dioxide, long-branched polyacrylamide, the fluorine-containing surfactant and other additives. The application is suitable for slick water fracturing systems of hydraulic fracturing.

The application provides a preparation method of hydrophobic modified perfluoro ether elastomer, and applies to the technical field of perfluoro ether elastomer, and comprises the following steps: S1, mixing fluorine-containing vinyl cross-linkable fluorocarbon surfactant and ethylene glycol monomethyl ether, and stirring to obtain a composite dispersed microemulsion; S2, adding deionized water and vulcanization point monomer to the composite dispersed microemulsion, and stirring to form an emulsion; S3, adding perfluoromethyl vinyl ether and an initiator, and introducing tetrafluoroethylene gas to perform polymerization reaction, so as to obtain a perfluoro ether elastomer emulsion; S4, performing demulsification treatment, washing after acidification by concentrated sulfuric acid, and performing hydrophobic modification, so as to obtain hydrophobic modified perfluoro ether elastomer micro powder; and S5, mixing, mold pressing and secondary vulcanization are sequentially performed on the hydrophobic modified perfluoro ether elastomer micro powder, so as to obtain a hydrophobic modified perfluoro ether elastomer sealing product. According to the application, the perfluoro ether elastomer with low viscosity can be prepared, and the pollution of the fluorine-containing surfactant to the environment is reduced.

The application provides a foaming agent for fracturing and a preparation method thereof, and belongs to the technical field of oilfield fracturing. The foaming agent is prepared from the following raw materials in parts by weight: 10-15 parts of a fluorine-containing surfactant, 2-4 parts of a hydrophilic surfactant, 4-6 parts of a lipophilic surfactant and 30-50 parts of water. The foaming agent for fracturing has good bubble effect, fine foam, excellent salt resistance and condensate oil resistance, and the fluorocarbon surfactant has good antistatic and bactericidal effects, can effectively cooperate with the liquid nitrogen assisted drainage process, and achieves the effect of protecting the reservoir and quickly returning the drainage, is safe and environmentally friendly, and can be widely applied in the field of gas fields.

The invention belongs to the field of fluorine chemical industry, and particularly relates to a fluorine-containing compound with a phenolic hydroxyl group structure, a fluorine-containing polymer with a phenolic hydroxyl group structure prepared from the fluorine-containing compound and application of the fluorine-containing polymer, and the molecular formula is as follows: R1, R2, R3 and R4 are independently selected from F or fluorine-containing alkyl. The fluorine-containing compound with a phenolic hydroxyl structure can be prepared by taking gallic acid derivatives and fluorine-containing olefin as raw materials through a simple catalytic reaction, and the prepared fluorine-containing compound can be further reacted to synthesize fluorine-containing phenolic resin, fluorine-containing epoxy resin, fluorine-containing polyurethane and a fluorine-containing surfactant. And the water-proof and anti-corrosion components stably exist in the material structure, so that the material has excellent water-proof and anti-corrosion properties, and the service life of the product is longer.

A method for producing a fluoropolymer aqueous dispersion, the method comprising: polymerizing a fluoromonomer in the presence of a fluorine-containing surfactant, a polymerization initiator, and an aqueous medium, thereby preparing an aqueous dispersion containing a fluoropolymer; and bubbling a gas containing oxygen into the aqueous dispersion, or bringing the aqueous dispersion into contact with an oxidizing agent, or bringing the aqueous dispersion into contact with an alcohol, thereby obtaining a fluoropolymer aqueous dispersion.

Provided is a method for producing an aqueous fluorine-containing polymer dispersion in which the content of a fluorine-containing surfactant is reduced, the method comprising at least a step for heating an aqueous dispersion containing a fluorine-containing polymer, a nonionic surfactant, and a fluorine-containing surfactant, an aqueous dispersion (E) containing a phase (E1), a phase (E2) and a phase (E3) is thus prepared.

The present invention relates to a method for manufacturing fluoroelastomers having iodinated / brominated chain ends, notably vinylidene fluoride (VDF)-based fluoroelastomers, in emulsion polymerization whereas no addition of fluorosurfactants or hydrogenated surfactants is required, and to a fluoroelastomers which can be obtained from said method.

The invention discloses a high-surface-tension master batch for a BOPP (biaxially-oriented polypropylene) film and a preparation method of the master batch. The master batch comprises PP resin, nanoscale organic modified montmorillonite, maleic anhydride grafted polypropylene, a composite modifier and an antioxidant, wherein the composite modifier is composed of a fluorine-containing surfactant, a silane coupling agent and an amide slipping agent according to a weight ratio of 1: (0.5-1.5): (2-3). The preparation method comprises the following four main steps: raw material pretreatment, gradient mixing, melt blending and granulation post-treatment. Through unique formula design and process control, the surface tension of the prepared BOPP film can reach 42-45 mN / m when the BOPP film is not subjected to corona treatment, and the problems that a traditional BOPP film depends on corona treatment and the effect of the traditional BOPP film is attenuated are effectively solved. The master batch has the advantages of small addition amount, obvious effect, no influence on the optical and mechanical properties of the film, stable and reliable production process, and obvious economic benefit and popularization and application value.

The present disclosure provides, inter alia, compositions and methods for improving metal ion battery performance. In some aspects, the present disclosure provides an electrolyte comprising a fluorosurfactant additive that is effective to improve battery lifetime, initial capacity, capacity fade, wetting time, and dendrite formation in a metal ion battery.