155 results about "Fluorocarbon" patented technology

This invention relates to the field of nanomedicine delivery systems, specifically to an ultrasound-enhanced synergistic immunotherapy drug delivery system, its preparation method, and its applications. The ultrasound-enhanced synergistic immunotherapy drug delivery system includes a lipid shell and a fluorocarbon gas encapsulated within the lipid shell. The lipid shell is made from cancer cell membranes and a lipid membrane formed from synthetic phospholipids. The lipid shell integrates a protein degradation-targeting chimera for degrading PD-L1. This invention combines targeted drug delivery, PD-L1 targeted degradation, and ultrasound enhancement technology to construct an integrated synergistic immunotherapy drug delivery system. Through multi-mechanism synergistic action, it overcomes the bottlenecks of existing PROTAC delivery systems, achieving a highly efficient anti-tumor immune response. This technical solution solves the technical problems of limited tumor tissue penetration and cellular uptake efficiency of PROTAC degrading agents targeting PD-L1, resulting in unsatisfactory delivery effects and promising prospects for widespread application.

A system and method for chemically destroying, degrading and incinerating a fluorocarbon or fluorinated material, such as perfluoroalkyl and polyfluoroalkyl substances (PFAS), with reduced emissions of gaseous PFC is provided. The method includes mixing the fluorinated material with an aqueous alkoxide base in a batch reactor to form a suspension. The PFAS can be provided by AFFF. The reaction mixture is heated to a temperature ranging from about 25ºC to about 400ºC for about 0.5 hours to about 240 hours to defluorinated fluorocarbons in the PFAS and produce a defluorinated waste product. More specifically, the method converts organic fluorine present in the PFAS to inorganic fluoride. Thus, the defluorinated waste product can be incinerated with reduced emissions of harmful gaseous PFCs.

This invention relates to a 1,1,2,2-tetrahydroperfluoroalkyl-substituted allyl quaternary ammonium salt, its preparation method, and its application, belonging to the field of flocculation treatment technology for high-salt industrial wastewater from natural gas purification. To address the problem that the synthesis of cationic polymer flocculants in existing technologies requires large amounts of surfactants and involves complex operations, this application employs a substitution reaction between 1,1,2,2-tetrahydroperfluoroalkyl iodide and N-methylallylamine; iodomethane is then reacted with the substitution reaction product to undergo quaternization, yielding a 1,1,2,2-tetrahydroperfluoroalkyl-substituted allyl quaternary ammonium salt; the 1,1,2,2-tetrahydroperfluoroalkyl-substituted allyl quaternary ammonium salt is polymerized with acrylamide to obtain a novel cationic polyacrylamide flocculant. The synthesis of cationic fluorocarbon-modified hydrophobic associative polyacrylamide flocculants using an aqueous solution polymerization method is simple, requires no surfactants, and experiments show that the prepared flocculant exhibits excellent flocculation performance.

This invention provides a glass-microsphere hybrid heat-insulating polyester chip, its preparation method, and its application. The glass-microsphere hybrid heat-insulating polyester chip is obtained by melt extrusion granulation after blending polyester chips with hollow glass microspheres. The surface coating layer of the hollow glass microspheres comprises the following raw materials in weight percentages: 30-50% fluorinated resin prepolymer, 2-8% crosslinking agent, 0.5-2% initiator, and the balance solvent. This invention introduces fluorinated resin into the coating layer on the surface of the hollow glass microspheres. Due to the excellent compatibility between the fluorosilicone or fluorocarbon segments in the fluorinated resin and the polyester matrix, and the introduction of the crosslinking agent to form a three-dimensional network structure, the interfacial bonding force between the coating layer and the polyester matrix is ​​enhanced, preventing microsphere detachment during spinning, and imparting hydrophobicity to the hollow glass microspheres, resulting in self-cleaning properties after spinning.

Provided herein are a monomolecular compound for self-assembly, a self-assembled monolayer using same, a current collector using same, an all-solid-state battery using same, and a manufacturing method therefor, wherein the monomolecular compound comprises: a functional group containing fluorine (F); a spacer including CxF2x (6≤x≤12) or CxF2x−4H4 (6≤x≤12); and a reactive group containing phosphorus (P) or silicon (Si).

A plastic masterbatch is characterized by comprising the following components: linear low-density polyethylene, fluorocarbon-modified talc, polypyrrole-modified talc, a foaming agent, and a dispersant. The invention also discloses a method for preparing the plastic masterbatch. The addition of modified talc significantly improves the conductivity and wear resistance of the plastic masterbatch.

A car window cover with good heat insulation effect is disclosed. The heat-insulating coating layers are respectively applied to the outer sides of a first glass and a second glass, and the outer wall of the filler sealing plate is bonded to both the first and second glass. This car window cover with good heat insulation effect achieves its function through the heat-insulating coating layer and the heat-insulating filler. The heat-insulating coating layer is made of fluorocarbon heat-insulating coating material, which has good transparency. Through special formula design and processing technology, it can maintain a high visible light transmittance, generally reaching about 75%-85%, while acting as a heat-insulating coating. The heat-insulating filler material is made of aerogel, which has a certain degree of transparency and relatively high light transmittance in the visible light range. It can effectively insulate heat while minimizing obstruction of vision, thus achieving double-layer heat insulation. This improves the heat insulation effect of the first and second glass, and helps to meet the user's needs for a cool interior.

This invention discloses a highly reliable flexible printed circuit board material and its preparation method, belonging to the field of circuit board material technology. It addresses the technical problem that the flexibility, tensile properties, and heat aging resistance of existing flexible printed circuit board materials need further improvement. Specifically, it includes a flexible substrate layer, a conductive circuit layer, and a functional modification layer located between the flexible substrate layer and the conductive circuit layer. This invention utilizes an amino-terminated polysiloxane containing BHT antioxidant end groups, further introducing fluorocarbon side chains to prepare a fluorinated amino polysiloxane. This is then combined with 3,5-diaminobenzoic acid and 4,4′-biphenyl ether dianhydride to form a siloxane-block polyamic acid with aromatic imide hard segments. This optimizes the layer structure and composition of the layer materials in the flexible printed circuit board, effectively improving not only the flexibility and tensile properties of the flexible printed circuit board material but also its heat aging resistance.

This application relates to the field of powder metallurgy technology, and particularly to a modified flake zinc powder, a modification method, an anti-corrosion coating, and a preparation method thereof. The modification method involves stirring flake zinc powder at a speed of 10-40 r / min, spraying an atomized modified dispersion onto the powder during stirring, transferring the flake zinc powder to a horizontal ball mill after atomization, using glass beads as a grinding aid, and dispersing it at a speed of 40-120 r / min for 1-3 hours. The resulting modified flake zinc powder is obtained after sieving. The modified dispersion includes a dispersant and a modifier, wherein the modifier is selected from at least one of silane coupling agents, titanate coupling agents, and fluorocarbon surfactants. The solution provided in this application, through a composite process of atomized coating and dry dispersion, achieves uniform and controllable adsorption of the modifier on the surface of the flake zinc powder, significantly improving the effective utilization rate of the modifier, reducing the amount of modifier and diluent consumed from the source, and producing a modified flake zinc powder with both low oil absorption value and high dispersibility.

The utility model discloses a kind of efficient bending device of fluorocarbon aluminum veneer, including bending machine base and several to be bent aluminum veneer, the upper end of bending machine base is equipped with rack, lifting bending seat is equipped in rack.The utility model places to be bent aluminum veneer on bearing seat and inserts between two relatively strip limiting plates, so that first hydraulic cylinder drives rectangular resistance block to push to be bent aluminum veneer into bending area and align, without manual operation, reduce labor intensity and security risk, by lifting bending seat drive L type pressure seat to be bent aluminum veneer in bending area is pressed tightly positioning, so that second hydraulic cylinder drives U type limiting plate to be bent aluminum veneer resistance tightly positioning, and by several third hydraulic cylinder drive bending plate to be bent aluminum veneer carry out quick bending operation, improve the stability of bending, by second hydraulic cylinder cooperation U type limiting plate to be bent aluminum veneer after bending is pushed to the outside of bearing seat, convenient and fast extract to be bent aluminum veneer after bending, improve the efficiency of bending.

This invention discloses an anti-corrosion coating for steel structures in coastal areas, comprising an epoxy zinc-rich primer layer, an epoxy micaceous iron oxide intermediate paint layer, and a fluorocarbon topcoat layer. The invention also includes a construction process for this anti-corrosion coating on steel structures in coastal areas, comprising the following steps: Step 1, pretreatment of the steel structure surface; Step 2, application of the epoxy zinc-rich primer; Step 3, application of the epoxy micaceous iron oxide intermediate paint; Step 4, application of the fluorocarbon topcoat; Step 5, finished product inspection and touch-up coating. This invention utilizes a three-layer composite anti-corrosion coating system consisting of an epoxy zinc-rich primer, an epoxy micaceous iron oxide intermediate paint, and a fluorocarbon topcoat. By introducing a water-based rust converter to optimize the surface pretreatment process, and combining precise control of key processes such as layered coating and curing, the adhesion between the coating and the steel structure substrate and the overall anti-corrosion durability are significantly improved. It exhibits excellent anti-corrosion performance and is suitable for anti-corrosion treatment of coastal steel structures such as port terminals, cross-sea bridges, and offshore platforms.

Systems and methods are provided for treating, degrading, and incinerating fluorocarbons or fluorinated materials, such as Freon ® with reduced gaseous perfluorinated compound (PFC) emissions. The methods include mixing a fluorinated material with a hydroxide base and optionally a solvent system (e.g., diglyme, polyether, polyether alcohol, polyethylene glycol selected from ethylene glycol and PEG 50 to PEG 3350, N-methyl pyrrolidine, dihydrolevogluton, and / or water ("solvent")) in a batch reactor to form a reaction mixture (also referred to as a suspension). The reaction mixture is heated to a temperature in the range of about 25 °C to about 400 °C for about 0.5 hours to about 240 hours to defluorinate the fluorinated material and produce a defluorinated waste product. More specifically, the methods convert organic fluorine present in the fluorinated material, such as Freon ® to inorganic fluorides. As a result, the defluorinated waste product can be incinerated with reduced harmful gaseous PFC emissions.

This invention discloses an inhibitory water-based foam drilling fluid system to solve the wellbore instability problem currently existing in foam drilling. The system comprises 0.5%-1.0% fluorocarbon foaming agent, 0.2%-1.0% inhibitor, 0.04%-0.2% foam stabilizer, 0.2%-0.4% thickener, 1.0%-5.0% bentonite, and water as the balance. The fluorocarbon surfactant is a fluorocarbon surfactant containing a quaternary ammonium salt cationic structure, the inhibitor is a small-molecule amine salt structure inhibitor, and the large-molecule foam stabilizer is one or more combinations of starch, cellulose, and polyacrylamide. The foaming agent provided by this invention, when applied in foam drilling, possesses both strong foaming and inhibitory properties.

The application relates to the technical field of solid and liquid fire extinguishing, and discloses a foam extinguishing agent and a preparation method and application thereof. The foam extinguishing agent contains a flame retardant, a foaming agent, a foam stabilizer, a thickening agent and a preservative, wherein the flame retardant is a phosphorus-containing ferrocene derivative shown in formula I; and the foaming agent is a zwitterionic surfactant and / or an anionic surfactant. The foam extinguishing agent contains the phosphorus-containing ferrocene derivative with a specific structure, has excellent flame-retardant effect, and has excellent fire extinguishing performance as a single flame retardant without fluorocarbon surfactants.

The invention provides a method for detecting one or more analytes, the method comprising: providing a substrate comprising a semiconductor with a porous surface, wherein the porous surface is coated with a fluorocarbon polymeric coating; contacting the porous surface with a fluid or object so that the one or more analytes are retained on the substrate when present in the fluid or on the object; and analysing the substrate by mass spectrometry to detect the one or more analytes if present on the substrate.

This invention discloses an amphiphilic nano-displacement agent for low-permeability oil reservoirs, its preparation method, and its application, belonging to the field of nanomaterial-based oil displacement technology. The agent is surface-modified nano-silica grafted with silane coupling agents containing quaternary ammonium groups and fluorocarbon chains. The nano-silica particles have a diameter of 5-10 nm and a purity ≥99 wt%. Preparation employs a one-pot, multi-step method, where the nano-silica is dispersed and then reacted sequentially with two hydrolyzed silane coupling agents. The product is obtained after centrifugation, drying, and grinding. This agent, formulated into a 20-500 mg / L dispersion, improves rock wettability and inhibits clay swelling, achieving pressure reduction and enhanced injection in low-permeability oil reservoirs, increasing oil recovery, and solving the problems of high water injection pressure and low recovery rate in low-permeability oil reservoirs. Furthermore, the preparation process is simple and low-cost, making it suitable for field application in oilfields.

This utility model discloses a fluorocarbon-free packaging paper. The utility model includes a paper base layer: a first waterproof layer is disposed on the top of the paper base layer, and a second waterproof layer is disposed on the bottom of the paper base layer. A nylon mesh and a degradation layer are disposed on the top of the first waterproof layer. With this utility model, users can tear the food packaging paper along the creases to expose the nylon mesh inside the food packaging paper. Pulling the nylon mesh then cuts the food packaging paper, thereby destroying the oil-proof layer. This breaks down the overall structure of the paper base layer, the first waterproof layer, the second waterproof layer, the reinforcing layer, and the oil-proof layer, allowing them to fully contact the outside environment and increasing the degradation rate of the food packaging paper. Furthermore, the waterproof adhesive, the first oil-proof adhesive, the second oil-proof adhesive, and the oil-proof layer are disposed on the food packaging paper, preventing the food packaging paper from being soaked in oil or water. The nylon mesh facilitates the separation of the printed layer and the food packaging paper, promoting the degradation of the food packaging paper.

The embodiment of the application provides a high-voltage cable joint flame-out and explosion relief composite material, a preparation method and a device, and relates to the technical field of high-voltage cable protection. The composite material comprises: an intelligent liquid sealing layer; the intelligent liquid sealing layer is composed of a plurality of microcapsules with a core-shell structure; the microcapsules comprise a hydrophilic core, a hydrophobic shell and an interface layer; the hydrophobic shell is wrapped around the periphery of the hydrophilic core, and the interface layer is located between the hydrophilic core and the hydrophobic shell; the main component of the hydrophilic core is deionized water; the main component of the hydrophobic shell is perfluoropolyether oil; and the interface layer is a fluorocarbon surfactant. The high-voltage cable joint flame-out and explosion relief composite material of the application forms an efficient flame-out mechanism of physical cooling and asphyxiation isolation based on the instantaneous rupture of microcapsules under explosion overpressure triggering and the synergistic effect of multiple components.

This utility model relates to the field of fluorocarbon topcoat production technology and discloses a quantitative mixing device for fluorocarbon topcoat production. The mixing assembly consists of a first rotating shaft, a first gear, a base, a motor, a fixing plate, a scraper, a second rotating shaft, and a second gear. The first rotating shaft is rotatably installed inside the tank, the first gear is fixedly installed on the surface of the first rotating shaft, the base is fixedly installed at the bottom of the tank, the motor is fixedly installed at the bottom of the base, the fixing plate is fixedly installed at the top of the first rotating shaft, and the scraper is fixedly installed on the side of the fixing plate. The second rotating shaft is rotatably installed inside the tank, and the second gear is fixedly installed on the surface of the second rotating shaft. This quantitative mixing device for fluorocarbon topcoat production moves a feeding ring by activating an electric push rod, allowing the raw materials inside the storage tank to be added into the tank through the feeding ring. This allows for precise proportioning of the raw materials for producing fluorocarbon topcoats before adding them into the tank.

This invention discloses a durable superhydrophobic PFA coating, its preparation method, and its application. Belonging to the field of coating processing and functional material surface modification technology, it grafts γ-aminopropyl groups onto the surface of nanoparticles using a silane coupling agent KH550. These γ-aminopropyl groups are transformed into positively charged ammonium ions in an acidic environment. The repulsion between these ions with the same charge inhibits the aggregation of homogeneous particles, thus fundamentally solving the problem of easy detachment of nanoparticles within the coating. Furthermore, by grafting perfluorinated long chains onto the nanoparticle surface using fluorosilanes, surface energy is reduced, improving the hydrophobicity of the particles. Simultaneously, the similarity and similarity solubility between the long fluorocarbon chains and the PFA coating eliminate interfacial cracks, making it difficult for nanoparticles to peel off when the surface is subjected to friction. The coating prepared by this invention can provide excellent droplet bounce enhancement and droplet adhesion inhibition properties, and is expected to be applied in the field of low-temperature anti-icing.

The invention discloses a cutting fluid and application and device thereof in chip scale packaging LED cutting, and relates to the technical field of LED packaging technologies, the cutting fluid is fluorocarbon liquid which is not mutually soluble with water, the cutting fluid serves as a cutting medium and is used for cutting a chip scale packaging LED of which a packaging body contains fluoride fluorescent powder, and the cutting fluid is used for cutting the chip scale packaging LED of which the packaging body contains fluoride fluorescent powder. The fluorocarbon liquid which is high in chemical inertness and is not mutually soluble with water is used as a cutting medium instead of pure water, so that the hydrolysis reaction of the fluorescent powder and the generation of corrosive byproducts are radically eradicated, the crystal structure of the fluorescent powder is effectively protected, and the long-term reliability and the service life of a device are improved.

The application provides a moisture-curing quick-drying type HFG weather-resistant insulating paint and a preparation method and application thereof, and relates to the technical field of paint. The paint comprises the following raw materials: 40-50% end alkoxy high-branched fluorosilicon resin, 0.5-1.0% N-(beta-aminoethyl)-gamma-aminopropyl trimethoxysilane, 3-5% thermochromic microcapsules, 0.02-0.05% graphene, 0.5-1.5% fluorinated boron nitride nanosheet, 5-10% hollow glass microbead, 3-6% fluorinated spherical SiO2, 0.1-0.3% fluorocarbon surfactant, 2-3% defoaming agent, 2-3% leveling agent, and the rest is propyl propionate / dimethyl carbonate azeotrope solvent. The moisture-curing quick-drying type HFG weather-resistant insulating paint can realize surface drying within 3 minutes through a self-spraying tank mode only by relying on ambient air humidity, has good insulating performance, temperature visualization, high environmental protection, high environmental applicability, and is suitable for the scenes of live-line repair of power equipment and non-power-off spraying.

The application discloses fine-grained steel SAW fluorine alkali type sintered flux and application, including barium fluoride 28-33%, aluminum ash powder 10-12%, dolomite 5-7%, pre-melted slag powder 25-27%, fluorocarbon cerium ore 2-3%, titanium boron iron 1.5-2.5%, kaolin 6-8%, magnesite 4-6%, silicon calcium aluminum powder 10-13% by weight percentage. The application can meet the submerged arc welding requirement of 65kg grade structural steel in most cases, has good welding process and mechanical properties of post-welding deposited metal, is widely applied in the construction, machinery and other industries, and greatly improves the production and life efficiency of people.

This invention relates to the field of colloidal interface technology and relates to a stable oil-in-oil emulsion and oil-in-oil multiple emulsion based on phosphazene derivatives and their preparation methods. The invention uses the phosphorus-nitrogen skeleton of phosphazene as the core, and obtains amphiphilic phosphazene derivatives containing alkoxy chains or fluorocarbon chains through nucleophilic substitution reactions. Utilizing the difference in polarity between the two side groups of these amphiphilic phosphazene derivatives, they exhibit characteristic affinity for two oil phase solvents, resulting in stable oil-in-oil emulsions and multiple emulsions. The method is simple and low-cost, offering better economic benefits, and solves the problem of using a single stabilizer in existing oil-in-oil emulsion technologies.

This invention discloses a method for preparing a novel (O1+W) / O2 emulsion using a compound of two surfactants in the field of chemical technology. The emulsion system comprises a fluorocarbon oil phase, an aqueous phase, and a hydrocarbon oil phase. By compounding two types of surfactants with different hydrophilic and hydrophobic properties, using an aqueous solution of fluorocarbon oil and FS-30 as the inner phase, and a Span series surfactant dissolved in ethoxylated trimethylolpropane triacrylate as the outer phase, the two are mixed and shaken to spontaneously form a novel (O1+W) / O2 emulsion with ETPTA as the continuous phase (O2) and containing fluorocarbon oil (O1) and water (W) internally. The emulsion droplets consist of two microregions with significantly different hydrophilic and hydrophobic properties. The preparation process is simple, inexpensive, and easy to apply industrially, providing a new technical pathway for the application of amphiphilic Janus materials in interface science, drug delivery, catalysis, and functional materials.

This invention relates to the field of surfactants, and more particularly to an environmentally friendly, phosphorus-free, silicon-free metal surface degreasing agent and its preparation method. By weight, it comprises: 20-25 parts sodium carbonate, 15-22 parts sodium bicarbonate, 16-18 parts sodium citrate, 10-12 parts sodium gluconate, 6-8 parts tetrasodium diacetate of glutamate, 6-8 parts lipase, 3-6 parts fatty alcohol polyoxyethylene ether, 0.1-2 parts short-chain fluorocarbon polyether, and 9-12 parts isomeric tridecyl alcohol ethoxylate. This invention employs a compounding of multiple surfactants and adds lipase, reducing raw material costs, improving cleaning effect, and reducing cleaning time.

This invention relates to a method for etching features in a stacked layer. A method for etching features in a stacked layer beneath a carbon-containing mask is provided. The stacked layer is cooled to a temperature below -20°C. An etching gas is provided, comprising a component providing free fluorine, a hydrogen-containing component, a hydrocarbon-containing component, and a fluorocarbon-containing component. A plasma is generated from the etching gas. A bias voltage with an amplitude of at least about 400 volts is provided to accelerate ions from the plasma to the stacked layer. Features are selectively etched in the stacked layer relative to the carbon-containing mask.