534 results about "Fluorocarbon coating" patented technology

The present invention relates to a method of coating fluorocarbon or hydrocarbon on the surface of a workpiece using atmospheric pressure plasma. More particularly, the present invention relates to a method of coating hydrocarbon or fluorocarbon on the surface of a workpiece using plasma generated under atmospheric pressure such that the workpiece can have a hydrophobic or super-hydrophobic surface.

The method of coating a surface of a workpiece with fluorocarbon to be hydrophobic or super-hydrophobic according to the present invention comprises the steps of generating first atmospheric pressure glow plasma by supplying a reaction gas into a discharge space formed between a first electrode and a second electrode, the reaction gas containing hydrogen gas, fluorocarbon gas and inert gas, the first and second electrodes being connected to an RF power supply of an atmospheric pressure plasma generator; and approaching the workpiece to the first electrode downstream of a reaction gas flow passing through the discharge space, such that the plasma created in the discharge space is transferred into a space between the first electrode and the workpiece to generate a second atmospheric pressure glow plasma therein, whereby a fluorocarbon coating layer can be formed on the surface of the workpiece.

Medical devices for insertion into the body of human or veterinary patients, wherein the device comprises a) a working element (e.g. a wire, a guidewire, a tube, a catheter, a cannula, a scope (e.g., rigid or flexible endoscope, laparoscope, sigmoidoscope, cystoscope, etc.) a probe, an apparatus for collecting information from a location within the body (e.g., an electrode, sensor, camera, scope, sample withdrawal apparatus, biopsy or tissue sampling device, etc.) which has an outer surface and b) a continuous or non-continuous coating on the outer surface of the working element. The outer surface of the working element is prepared to create a surface topography which promotes mechanical or frictional engagement of the coating to the working element. In some embodiments the coating is a lubricious coating, such as a fluorocarbon coating or a hydrogel that becomes lubricious when contacted by a liquid. In some embodiments, the coating may expand as swell. Also disclosed as methods for manufacturing such devices.

The invention pertains to the coating field, in particular to a uv-curing fluorocarbon coating used for protecting and decorating building materials requiring high weatherability and a preparation method thereof. The main contents of the uv-curing fluorocarbon coating comprise fluorine-containing (methyl) acrylic acid modified prepolymer, reactive (fluorine-containing) acrylate monomer, photoinitiator, pigment, filler, addition agent, etc. Coating compositions of different mixture ratios are applied to building materials requiring high weatherability such as coil sheet, aluminum profile, aluminium plastic plates, plastic-steel profile, etc., and are characterized by thick paint film, rich colors, high hardness, good scratching resistance, weatherability, stain resistance, etc. Meanwhile, due to adopting uv-curing coating technology, the invention has the advantages of small production field, low equipment cost, high production efficiency, low energy consumption, and no pollution.

The invention provides a novel epoxy coating and a preparation method thereof. The coating not only has excellent corrosion resistance, but also has excellent compatibility with a base material or a lower coating film, particularly an epoxy coating, a polyurethane coating, a fluorocarbon coating or an alkyd resin coating. The epoxy coating comprises a main paint and a curing agent, wherein the main paint contains bisphenol A epoxy resin and modifying resin for modifying the bisphenol A epoxy resin; and the curing agent contains polyamino amide and cardanol modified phenolic amine.

The invention relates to a kind of fluo-carbo dope and the preparation method. It is mainly made up of fluororesin, bridging agent, dye, filling, compounding and component solvent. The weight ratio as follow, fluororesin : bridging agent : dye : filling : compounding : component solvent equal to 1:0.10-0.30:0-0.35:0-0.05:0.01-0.05:0.10-0.40. The mentioned fluororesin is composed by 3-fluororesin or 4-fluororesin or both. The book of words gives the preparation method. chemical reaction will take place when fluororesin gets along with bridging agent under the condition solidifying process of fluo-carbo dope. So, add no-close isocyanic ester, it can be executed into dry fluo-carbo dope as to be used to sectional repair in the roofing surface. The dope has low capability of the lacquer film surface, good dirt resistance, easy ablution and excellent mechanical property and excellent aging performance.

The invention is a thrust bearing using the interface slippage technology, and is characterized in that the bearing comprises a static and a moving flat panels that are parallel to each other; the gap between the static and the moving flat panels is filled with fluid lubricating oil; a coating layer II is arranged on part of the static flat panel; a coating layer I is arranged on the rest partof the static flat panel; a coating layer III is arranged on the surface of the moving flat panel, Therefore, a thrust bearing is formed by the two flat panels through a certain relative moving between the static flat panel and the moving flat panel, the coating layer I is a fluorocarbon coating layer, and the coating layer II and III are coatings of mica powder modified by silane coupling agents. The thrust bearing is simple in the bearing forming and has a certain carrying capacity, good anti-friction and wear-resistance without the need of processing the matching surface into a geometric shape. With simple and compact structure and small size and low production cost, the thrust bearing can replace the traditional fluid motive power lubrication thrust bearing for bearing purpose.

The present invention belongs to the field of self-cleaning coating technology. In the concrete, it relates to a self-cleaning fluorocarbon coating with lotus leaf effect. It is made up by using organic silicon modified fluorocarbon resin, solidifying agent, hydrophobic particles, pigment, filling material, adjuvant and solvent according to the mixing ratio of 1:0.1-0.3:0.03-0.1:0-0.36:0-0.1:0.01-0.05:0.1-0.3 through a certain preparation process.

The invention relates to a thermosetting fluorocarbon resin and the coating thereof. The copolymerization chain segment of the resin comprises chlorotrifluoroethylene of 45.0-55.0mol percent, vinyl-acetic ester of 28.0-37.0mol percent, vinyl versatate of 4.0-10.0mol percent, hydroxyl vinyl ether of 10.0-14.0mol percent and aliphatic olefine acid of 0-0.6mol percent. The fluorocarbon coating mainly comprises the following components with certain weight percentage, thermosetting fluorocarbon resin of 20.0-40.0 percent, cross-linking agent of 0-15.0 percent, paint of 0-35.0 percent, promoter of 0.15-1.5 percent and mixed solvent of 30.0-60.0 percent. The fluorocarbon coating adopts no acid catalyst, has stable properties in storage, has excellent softness, methyl ethyl ketone wiping resistance and aging resistance, etc., and is applicable for rolling coating of metal rolling material.

The invention discloses a water elastic coating used for the protection and decoration on the surface of an outer wall of a construction. The current elastic coating mainly aims at solving the stain resistance of the elastic coating, while relates less to the aspects of acid rain resistance and aging resistance. The mass percentage of each component in the coating is as follows: 10 to 20 percent of water, 2 to 4 percent of latent solvent, 0.5 to 1.0 percent of dispersant, 0.2 to 0.4 percent of multifunctional accessory ingredient, 0.2 to 0.5 percent of foam killer, 0.1 to 0.2 percent of preservative, 0.2 to 0.6 percent of mildew preventive and algaecide, 15 to 23 percent of acid resistant pigment, 5 to 18 percent of acid resistant filler, 10 to 15 percent of fluorocarbon latex, 30 to 40 percent of crylic acid elastic latex, 1 to 1.5 percent of film forming additive, 0.3 to 0.8 percent of rheological additive and 0.5 to 1.0 percent of thickening agent. The water elastic coating has the durability, the acid rain resistance and the stain resistance of fluorocarbon coating and simultaneously has the elastic crack resistance of acrylic acid elastic coating.

The invention provides a preparation method of a highly-hydrophobic fluorocarbon coating for a photovoltaic component back plate. The preparation method is suitable for outdoor coatings and in particular suitable for coated type photovoltaic back plates. The fluorocarbon coating consists of a component A and a component B in a mass ratio of (1-5):1, wherein the component A comprises fluorocarbon resin, hydrophobic modified nano-particles, a tin type catalyst and an anhydrous diluent A; and the component B comprises an isocyanate curing agent and an anhydrous diluent B. The nano-particles can be uniformly dispersed in main body resin after being subjected to coupling agent hydrophobic modification, is good in compatibility, and can form a micro-nano rough grain structure after being coated on a substrate; and by combining low surface energy of the fluorocarbon resin, the surface of the fluorocarbon coating has high hydrophobicity of a 'lotus leaf effect', has a good antifouling effect, and can greatly reduce influence of water drops on components. Meanwhile, the prepared fluorocarbon coating is excellent in weathering resistance, chemical resistance and salt spray resistance, so that the fluorocarbon coating is suitable for coated type photovoltaic component back plates and is good in performance.

The invention relates to a crosslinking type fluorine-containing acrylic resin, which is obtained by the heating and polymerization of more than one acrylic acid type monomer under initiator. The invention is characterized in that: the amount of each monomer applied in polymerization reaction is according to weight portions: methyl methacrylate 5-10 portions, alkyl acrylate monomer 10-20 portions, functional acrylic acid monomer 5-10 portions, fluorine-containing acrylic monomer 10-25 portions, organic solvent 40-60 portions; the fluorine-containing acrylic monomer is either or both of trifluoroethyl methacrylate and trifluoroethyl acrylate; the content of the fluorine-containing acrylic monomer takes 20-50 percent of the total weight of all monomer applied in the polymerization reaction. The resin can be crossingly cured at normal temperature and low medium temperature and has the wide application. Coating produced with the resin, comprehensive performance of which is close to fluorocarbon coatings maintains performance price ratio advantage of the acrylic resin.

The invention discloses a weatherability fluorocarbon paint and a preparation method thereof. The paint is composed of a component A and a component B, wherein the component A comprises an isocyanate curing agent and a waterless diluent A, and the component B comprises fluorocarbon resin, saturated polyester, low molecular compound containing special reactive groups, a catalyst, and a waterless diluent B. The component A and the component B are mixed according to a substance amount ratio of NCO/OH of 0.6-1.5:1.0 so as to obtain the fluorocarbon paint. Saturated polyester is added into the paint so as to soften the coating formed by the paint. At the same time, the added low molecular compound containing special reactive groups effectively increases the crosslinking density of coating, so that the coating is hard and flexible, has a strong weatherability and excellent wear resistant property, and can be used to prepare a solar battery backplane which can be used under severe climate conditions.

The invention provides an aluminum alloy section and a manufacturing method thereof. The manufacturing method comprises the following steps: (1) pre-treating an aluminum alloy section base material; (2) anodizing the pre-treated aluminum alloy section base material so as to form an oxidation film on the surface of the aluminum alloy section; (3) carrying out anodic electrophoresis treatment on the aluminum alloy section so as to form an electrophoresis film on the surface of the aluminum alloy section; (4) curing and roasting the aluminum alloy section; and (5) spraying a fluorocarbon coating to the surface of the aluminum alloy section so as to form a fluorocarbon coating. The manufacturing method is stable and feasible in production process. A special composite film protective coating is arranged on the surface of an aluminum alloy section product produced by the manufacturing method, has excellent performances such as corrosion resistance and weather resistance, and can effectively resist the corrosion destruction effect on the aluminum alloy section by ultraviolet light, high humidity and corrosive saline ions. Therefore, the aluminum alloy section is particularly suitable for buildings in island and seaside regions under marine climates.

The invention relates to a multilayer compound eccentric-wear-preventing continuous sucker rod and a manufacturing device and a manufacturing method thereof. The sucker rod is characterized in that one section or several sections of the external surface of a fiber reinforced resin matrix composite rod body are respectively covered with a thermosetting wear layer; each thermosetting wear layer is made from one of polyurethane, a fluorocarbon coating, modified epoxide resin, vinylester resin, unsaturated polyester and phenolic resin; by adopting a manufacturing technology of multilayer composite winding and pultrusion or weaving and pultrusion, an internal layer of longitudinal fibers, an intertwining layer or a weaving layer and an external layer of longitudinal fibers are formed from interior to exterior in sequence; the manufactured rod body has a continuous length of 0-5000m. The sucker rod has the beneficial effects that the radial strength and the axial compressive strength are enhanced; the corrosion resistance and the eccentric wear resistance of the thermosetting wear layers are improved by 30%; the maximum temperature tolerance of the thermosetting wear layers is up to 190 DEG C; meanwhile, the bonding between an sucker rod body and each thermosetting wear layer is greater in length and quite high in strength, so that the slippage and the layering of an eccentric-wear-preventing layer from the surface of the sucker rod in the normal operation of an oil well are avoided.

The invention discloses a preparation process of a functional fluorocarbon coating with insulating, self-cleaning, weather-resisting and transparent functions, wherein the preparation method comprises the steps that: a stable aqueous slurry is prepared by anatase nanometer TiO2 and nanometer tin-antimony oxide (ATO); the slurry is added to a fluorocarbon emulsion or a mixed emulsion of fluorocarbon emulsion and silicone acrylic emulsion (styrene-acrylic emulsion) under the action of various assistants; the assistants mainly comprise a film-forming assistant, a wetting agent, a dispersant, a thickener and an antifoaming agent; the rest part is de-ionized water. The invention also comprises a process for preparing the stable anatase nanometer TiO2 and nanometer tin-antimony oxide (ATO) slurry. After the transparent and insulating fluorocarbon coating is coated on the glass, the glass has good transparent and insulating effect (the light transmittance is 70-85% and the light transmittance of the sample glass is 91%), self-cleaning performance, washing resistance, good weather resistance and the like.

The invention relates to a preparation method of nano silicon dioxide (SiO2) improved fluorocarbon coating. The preparation method of the nano SiO2 improved fluorocarbon coating is characterized in that the nano SiO2 improved fluorocarbon coating comprises the following components, by mass, 1% to 5% of nano SiO2, 40% of acrylic resin with solid contents, 25% to 28% of polyvinylidene difluoride, 24% to 27% of fumed SiO2, 0.4% of silver paste, 6% of cellulose acetate, 4% of dispersing agent, 2% to 5% of mixed solvent, and allowance. nano SiO2 is added into the fluorocarbon coating, thus improving contamination corrosion resistance, ultraviolet aging resistance, corrosion resistance and the like of the fluorocarbon coating, and the preparation method of the nano SiO2 improved fluorocarbon coating belongs to the technical field of processing of coatings.

The invention discloses a tetrafluoroethylene-vinyl ether copolymer fluorocarbon coating which can be in curing under the normal temperature and contains an anti-aging composite additive and self-cleaning additive and a preparation method thereof.

The invention relates to surface insulating enamel pain used for the wind power generation. The invention takes fluorocarbon resin as the base material of the corrosion resistant coating of a wind power generating device, the fluorocarbon resin is solidified through diisocyanate trimer curing agent, to ensure fluorocarbon coating and the diisocyanate trimer curing agent to be respectively packaged independently to be component A and component B, when being used, the component A and the component B are mixed according to the proportion and are evenly agitated, and then construction is performed by using the spray painting method or the brush painting method after the component A and the component B are cured for 30 minutes. The component A includes fluorocarbon resin, pigment and filler, auxiliary agent and solvent; the component B is curing agent diisocyanate trimer; and the weight ratio of the mixing ratio of the component A and the component B is: the component A: the component B= 8 to 10:1.

The invention relates to an environment-friendly aqueous fluorocarbon metallic paint, consisting of the following raw materials in the following percents by weight: 35-65 percent of fluorocarbon emulsion, 5-12 percent of aluminum paste, 0.1-0.5 percent of antifoam agent, 0.1-0.3 percent of wetting agent, 0.1-0.3 percent of leveling agent; 0.2-0.8 percent of dispersing agent, 2-8 percent of metal orienting agent, and 0.1-0.3 percent of thickener: organic modified montmorillonite, 1.0-5.0 percent of polyurethane associative thickening agent, 1-3 percent of film forming agent, 1-3 percent of anti-freezing agent, 6-10 percent of solvent, and deionized water as the rest. The environment-friendly aqueous fluorocarbon metallic paint can reduce environmental pollution and application risks in thermal-insulation decoration systems and the performance can equal to that of solvent-based fluorocarbon aluminum paste (pearl powder) coating.

The invention relates to a preparation method of a high-performance fluorocarbon coating. The fluorocarbon coating is composed of a component A and a component B. The component A is composed of an isocyanate-capped polyol oligomer and an anhydrous diluent A, and the component B consists of fluorocarbon resin, dispersant, inorganic filler, catalysts and anhydrous diluents. The component A and the component B are mixed in accordance with the molar ratio of isocyanate to hydroxyl value being (0.6-1.5): 1 to obtain the fluorocarbon coating. The polyol oligomer contains polyester polyol and polyether polyol, endows the coating with outstanding mechanical performance, good low-temperature flexibility and hydrolysis resistance and is capped by isocyanate to be reacted with fluorocarbon resin, and soft segments formed by the polyol oligomer and the fluorocarbon resin and isocyanate hard segments are distributed regularly in the coating to form a three-dimensional network interpenetration structure. The prepared fluorocarbon coating has the advantages of ageing resistant and wind and sand resistant performance and is applicable in preparation of coating type solar cell back plates used in areas with adverse environments.

An elastic heat-insulation fluorocarbon coating consists of a host and curing agent. The host is prepared by the following components, by weight, 55 to 65 parts of fluororesin, 0.5 to 1.5 parts of dispersant, 0.2 to 0.4 part of defoamer, 0.3 to 0.5 part of anti-settling agent, 0.3 to 0.5 part of flatting agent, 15 to 20 parts of titanium white, 4 to 8 parts of hollow glass microballs, 1 to 1.5 parts of hollow macromolecular polymer and 15 to 20 parts of mixed solvent. The curing agent is manufactured by the following components, by weight, 90 parts of E405 to 80T, 5 parts of butyl acetate and 5 parts of propylene glycol methyl ether acetate. The weight proportion of the host and the curing agent can be calculated according to the hydroxyl value of the fluororesin and the NCO (isocyanate) content of the curing agent, namely OH/NCO=1:(1.05 to 1.15). The elastic heat-insulation fluorocarbon coating has the advantages of excellent weatherability, stain resistance, washability, decoration performance, excellent normal-temperature and low-temperature elasticity, capability of resisting to fine fissures, improved heat insulation effect and benefits to transport and settlement.

The invention discloses a coated water-based double-component fluorocarbon paint, and preparation and application thereof. Particularly, the paint comprises a component A and a component B in a mass ratio of (12-25):1. The component A is composed of deionized water, an anti-settling agent, a wetting and dispersing agent, a defoaming agent, a pigment, a water-based fluorocarbon resin, a substrate wetting agent, a leveling agent, a cosolvent, a catalyst, matting powder and a thickener; and the component B is composed of a polyisocyanate curing agent. The paint can be used for preparing a coated PET (polyethylene terephthalate) back panel film.