14 results about "Fluorocarbon Emulsions" patented technology

The invention relates to the technical field of films, in particular to a preparation method and application of a waterproof and oil-proof ventilation valve for food packaging. The preparation method comprises the following steps: carrying out plasma activation treatment on the porous polytetrafluoroethylene-based membrane; preparing fluoroalkyl silane modified silicon dioxide nano particles; preparing fluorine-containing organic silicon-silicon dioxide sol containing vinyl; a cross-linking layer is constructed through vacuum impregnation; preparing a hydrophilic / hydrophobic comonomer solution; copolymerized chain grafting is initiated by ultraviolet light; and water-based fluorocarbon emulsion is sprayed on the surface for curing. The obtained breather valve has super-hydrophobic and oleophobic characteristics, keeps high air permeability and high water vapor permeability at the same time, has the air permeability retention rate exceeding 95% after 10 times of moist heat sterilization, and is suitable for balancing internal and external pressure and blocking water and oil phase liquid permeation in the high-temperature and high-pressure sterilization process of a food packaging container.

The invention relates to the technical field of repair of release structures, and discloses a repair material for release structures and a preparation method of the repair material. The repairing material is prepared from the following components in parts by mass: 50 to 60 parts of epoxy emulsion, 28 to 35 parts of fluorocarbon emulsion, 6 to 10 parts of composite silicon powder, 5 to 8 parts of elastic polyurethane modified monomer, 4 to 8 parts of pigment, 8 to 14 parts of coalescing agent, 20 to 30 parts of composite filler, 3 to 5 parts of thickening agent, 0.3 to 0.5 part of pH (Potential of Hydrogen) regulator, 1.5 to 2.5 parts of defoaming agent, 3 to 6 parts of microcapsule coated capillary crystalline anti-permeability agent and 0.5 to 1 part of silane coupling agent. The strength and flexibility of the base material are balanced through rigid epoxy and flexible fluorocarbon / polyurethane, the cracking risk caused by temperature difference and impact is solved by combining the dispersion enhancing characteristic of the composite silicon powder and the long-acting anti-seepage function of the microcapsule anti-seepage agent, meanwhile, technological parameters are optimized, production and construction adaptability is ensured, and the application prospect is wide. The anti-scouring, anti-seepage, corrosion-resistant and durable properties of the repairing material are comprehensively improved, and the repairing material is adaptive to complex working conditions of release structures.

The invention discloses a weather-resistant anti-crack waterproof building coating as well as a preparation method and a construction method thereof, and relates to the technical field of building protection materials. The weather-resistant, crack-resistant and waterproof building coating disclosed by the invention is prepared from a water-based fluorocarbon emulsion, an acrylate copolymer, epoxy resin, composite modified nano titanium dioxide, maleic anhydride grafted sepiolite, chopped basalt fibers, an ettringite generating agent, an ultraviolet light absorber, an antioxidant, a polycarboxylic acid type water reducing agent, a defoaming agent, a coalescing agent and deionized water. The weather-resistant anti-crack waterproof building coating can meet the protection requirement of a building outer wall under the outdoor complex working condition, the synergistic performance of weather resistance, durability, crack resistance, seepage prevention and high adhesion is achieved, the prepared protective coating is good in stability and long in service life, external erosion such as ultraviolet rays, rainwater and temperature changes can be effectively resisted, the problems of cracking, falling off, aging and the like of the coating are solved, and the weather-resistant anti-crack waterproof building coating is suitable for large-scale popularization and application. The protection period of the building exterior wall is prolonged.

This invention provides an exposed single-component waterproof coating with self-healing function, its preparation method, and its application. The exposed single-component waterproof coating, based on a total weight percentage of 100 wt%, comprises: 25-50 wt% fluorocarbon emulsion, 5-20 wt% microcapsule self-healing agent, 0.1-1 wt% water-resistant agent, 0.1-3 wt% film-forming aid, 0.1-1 wt% stabilizer, 0.1-1 wt% bactericide and preservative, with the balance being water. The fluorocarbon emulsion is a core-shell polymer emulsion. The outer shell is formed by emulsion polymerization of fluorinated acrylate monomers, furan-structured monomers, and maleimide-structured monomers, while the core is formed by emulsion polymerization of soft acrylate monomers and hard acrylate monomers. The emulsion polymerization is carried out in an aqueous solution containing emulsifiers and initiators. The microcapsule self-healing agent has a core-shell structure, including a urea-formaldehyde resin shell and a fluorooil core material encapsulated within the urea-formaldehyde resin shell.

The present application relates to the technical field of composite materials, and discloses an elastic fluorosilicon thermal insulation coating for aerogel thermal insulation systems and a preparation method thereof.The coating provided by the present application comprises modified hollow glass microbeads, elastic water-based fluorocarbon emulsion, silicone resin emulsion, light stabilizer and other components.A silane coupling agent and an acrylic ester are used to modify the hollow glass microbeads, so that the compatibility of the hollow glass microbeads with fluorosilicon resin is improved.The modified glass microbeads are compounded with fluorocarbon emulsion, silicone resin and histamine-type light stabilizer to produce a synergistic effect, so that the comprehensive performance of the coating is improved.The coating provided by the present application has a uniform paint film and high coating strength, and the problems of coating aging cracking and reduced thermal insulation performance caused by poor weather resistance of traditional aerogel thermal insulation coatings under outdoor conditions are solved.

The invention relates to the technical field of anti-corrosion coatings, in particular to an anti-corrosion early warning coating, a preparation method and application of the anti-corrosion early warning coating to environment monitoring equipment. The corrosion-resistant early-warning coating comprises an inner-layer coating and an outer-layer coating, wherein the outer-layer coating is prepared from the following components: a water-based fluorocarbon emulsion, a reinforcing agent, a polyether siloxane flatting agent and water; the inner-layer coating is prepared from the following components: waterborne epoxy emulsion, fluorescent particles, a waterborne amine curing agent, a polyether siloxane flatting agent and water. According to the double-layer structure coating prepared through the technical scheme, through the synergistic effect of the innovative reinforcing agent and the fluorescent particles, the excellent acid resistance is achieved, and the adhesive force can reach 26.5 MPa to the maximum; meanwhile, whether the surface protection state of the environment monitoring equipment is intact or not can be studied and judged immediately.

The invention discloses a modified acrylic acid environment-friendly coating for a metal tube bank and a preparation method of the modified acrylic acid environment-friendly coating, and relates to the technical field of fluorocarbon and acrylic acid coating preparation. The modified acrylic acid environment-friendly coating for the metal tube bank is prepared from the following raw materials in parts by weight: 30 to 40 parts of acrylic emulsion, 15 to 20 parts of fluorocarbon emulsion, 1 to 2 parts of dispersing agent, 2 to 4 parts of enhanced anti-aging flame-retardant aid, 4 to 6 parts of corrosion-resistant agent, 0.5 to 1 part of defoaming agent and 50 to 80 parts of deionized water. The prepared modified acrylic acid environment-friendly coating for the metal tube bank has good anti-aging, impact-resistant, corrosion-resistant and flame-retardant properties.

The invention discloses a water-based fluorocarbon colorful granite coating, a preparation method and a coating system of the water-based fluorocarbon colorful granite coating. The coating is composed of a continuous phase and 20%-50% of colored particles. The continuous phase contains aqueous FEVE fluorocarbon emulsion, silica sol-acrylic acid composite emulsion, a surface modified attapulgite nanorod crystal material and the like; the colored particles take attapulgite colored sand calcined at a high temperature of more than 800 DEG C or an inorganic hybrid pigment thereof as a coloring component, and are matched with a modified synthetic silicate protective glue solution (with the dosage of 1%-3%). The thickness of a dry film of the surface coating is 250-500 microns, the film is formed at one time, and a surface coating is not needed. The VOC of the coating is smaller than or equal to 9 g / L, and delta Elt is obtained after QUV aging is conducted for 4000 h; the color particle has the advantages that the contact angle is up to 96-99 degrees, the stain resistance is less than or equal to 4.8%, and the color particle is stable to store. The invention has the advantages of super weather resistance, high color retention, strong self-cleaning property, real stone texture, simplicity and convenience in construction and the like, and is suitable for stone-like decoration of high-end building outer walls.

The application relates to a self-cleaning high-weather-resistance high-radiation refrigeration coating and a preparation method thereof, which comprises the following components: a self-cleaning fluorocarbon emulsion, hydroxyethyl cellulose, an electroless refrigeration powder, modified rare earth oxide, a covering polymer emulsion, an additive and water; wherein the self-cleaning fluorocarbon emulsion is a core-shell structure self-cleaning fluorocarbon emulsion; in the core-shell structure, the core structure is obtained by polymerization of acrylate monomers; and the shell structure is obtained by reaction of fluorine-containing acrylate monomers, a silane coupling agent and acrylate monomers. The fluorocarbon chain segments in the multiple components can be physically entangled, synergistic effect is achieved, the strength of the film layer net structure is further improved, and the coating film is endowed with excellent weather resistance, stain resistance and a longer service life.

The application belongs to the technical field of coating preparation, and provides high-thermal-conductivity radiation refrigeration coating and a preparation method thereof; surface-modified hexagonal boron nitride is prepared through steps such as ball milling stripping, oxidation and hydroxylation, and is further subjected to surface organic modification to improve its dispersibility and interfacial bonding force; dendritic silicon carbide is prepared by using a molten salt method, and an aluminum oxide nanolayer is in-situ grown on the surface of the silicon carbide, and the silicon carbide is modified by silane and phosphoric acid in cooperation to enhance the interfacial compatibility and heat conduction capacity of the silicon carbide with a resin; through preparation of aluminum nitride in an ammonia atmosphere at high temperature and borax activation treatment, combined with hydrothermal method coating of calcium fluoride, a composite filler with high thermal conductivity and infrared emission performance is obtained; the above various functional fillers are combined with a resin matrix such as water-based fluorocarbon emulsion, acrylic emulsion and polyimide emulsion, and the prepared coating significantly improves the conduction efficiency of heat from the inside of equipment to the outside, and realizes high-efficiency passive radiation cooling.

This application relates to the field of building decoration materials, and in particular to a crack-resistant metallic paint and a high-strength steel plate crack-resistant component, as well as their construction method. A crack-resistant metallic paint comprises the following raw materials in parts by weight: 300-500 parts fluorocarbon emulsion, 80-120 parts elastic emulsion, 10-40 parts active toughening agent, 90-110 parts metallic effect pigment, 30-40 parts film-forming aid, 1.5-2.5 parts dispersant, 15-20 parts thickener, and 280-350 parts water. By compounding the fluorocarbon emulsion and elastic emulsion and adding the active toughening agent, the paint film achieves an elongation at break ≥82%, a flexibility of 1mm without cracking on a shaft, and resistance to artificial aging ≥3000h without cracking, thus achieving a synergistic unity of high elasticity and high weather resistance.

This invention belongs to the field of cable technology, specifically relating to a corrosion-resistant and fire-resistant cable and its processing technology. A corrosion-resistant and fire-resistant cable includes a cable core, with a shielding layer and a non-flame-retardant and corrosion-resistant sheath sequentially wrapped around the cable core. Gaps are reserved between the cable core, the shielding layer, and the non-flame-retardant and corrosion-resistant sheath. By weight, the raw materials for preparing the non-flame-retardant and corrosion-resistant sheath include 50-70 parts of ceramicized fire-resistant silicone rubber, 15-25 parts of hyperbranched acrylic resin, 20-30 parts of organosilicon-modified polyester resin, 25-35 parts of water-based fluorocarbon emulsion, 20-30 parts of isocyanate, 30-45 parts of biuret, 10-15 parts of flame retardant, 8-12 parts of graphite powder, 10-15 parts of silane coupling agent, and 30-40 parts of epoxidized triglyceride. The bonding strength between the non-flame-retardant and corrosion-resistant sheath and the asphalt anti-corrosion paint film in this application can improve the cable's corrosion resistance and durability.

The application discloses a kind of water-based functional building outer wall coating and its preparation process and application, belong to coating technical field.The coating is composed of hydroxyl acrylic acid emulsion, fluorocarbon emulsion, iron-doped molybdenum disulfide / nano-cellulose composite, composite aerogel powder, modified mordenite, nano-SiO2 particle, intumescent flame retardant, auxiliary agent and water.Composite aerogel powder is the porous structure of SiO2 coated hollow Fe2O3 / TiO2;Intumescent flame retardant is composed of ammonium polyphosphate, pentaerythritol and melamine in a specific ratio.The preparation process of coating includes multiple steps, such as dispersion, stirring and pH adjustment, etc.The coating has excellent performance, such as low thermal conductivity, high antibacterial rate, long flame-retardant time and good artificial aging resistance, and can be applied to building outer wall.Compared with prior art, it solves the problem of functional stacking performance offset and poor compatibility of nanomaterials, and has wide application prospect.

The present disclosure provides a kind of real wood water-based high gloss paint and its preparation method, the preparation method of automobile real wood interior parts, the real wood water-based high gloss paint includes A component and B component, the A component includes the following each mass component: water-based acrylic resin 50-65 parts;Water-based polyurethane acrylic resin 25-35 parts;Water-based fluorocarbon emulsion 3-10 parts;Surface additive 0.5-2 parts;Film forming additive 3.0-5.0 parts;B component is isocyanate curing agent, the mass ratio of A component and isocyanate curing agent is 1:1 to 3:1.The real wood water-based high gloss paint is sprayed on real wood base piece, and pre-curing is carried out after baking, and then UV curing is carried out, and the obtained automobile real wood interior part.The real wood water-based high gloss paint forms hydroxypropyl-polyurethane-fluorocarbon triple crosslinking network, improves the adhesion of coating, alcohol resistance and weather resistance;The coating pre-curing temperature of real wood water-based high gloss paint is lower, avoids real wood base piece high temperature deformation.