198results about How to "Good recoatability" patented technology

This invention discloses a thermoset crylic acid latex and its preparation method and a corrosion resistant bottom coat containing such latex and used in the Al fins of the heat converter of air conditioners, in which, said latex includes a crylic acid kind monomers, an ionic vinyl monomers, an ethene monomers, a vinyl silane coupler, a crosslink monomers, a surface active agent and an initiator to be got by seed latex and semi-continuous drop technology. Said bottom coat includes said thermoset crylic acid latex, water-base coating resin, water-base cross-linker, booster solvent, neutralization agent, a water-base adhesive force accelerant, a catalyst and water.

The invention relates to a preparation method of a scratch-resistant polyurethane matt black finish for woodware. The scratch-resistant polyurethane matt black finish comprises a resin paint component A and a curing agent component B in the weight ratio of 1: 0.5, wherein the resin paint component A comprises alkyd resin, extinction powder, a dispersing agent, carbon black paste, a modifying flatting agent, an antifoaming agent, an anti-settling agent and a solvent; and the curing agent component B comprises a TDI-HDI (Toluene Diisocynate-Hexamethylene Diisocyanate) mixed tripolymer or a TDI/TMP (Trimethylolpropane) affixture, an HDI tripolymer and a solvent. The scratch-resistant double-component polyurethane matt black finish for woodware, prepared by the preparation method provided by the invention, brings no precipitate during being stored, is high in solidity, low in viscosity and excellent in leveling property; and the filming can be realized at one time, and the film is thick, free from sagging, and soft, full, fine, smooth, slippery in hand feel, shows alternate kindness with severity, is given the effect of full decoration like a mirror plane, brings a graceful and comfortable feel, and is adapted to modern aesthetic view and widely popular with the market and customers. The scratch-resistant polyurethane matt black finish is widely applied to protective decoration of surfaces of products such as the woodware, metals and plastics.

The invention discloses an organosilicon concrete protective agent and a preparation method. The organosilicon concrete protective agent comprises the main compositions in percent by volume: 50-60% of an alkyl alkoxy silane, 5-10% of terminal-substituted polydimethylsiloxane, 3-5% of an emulsifier, 0.05-1% of a catalyst, 5-10% of a solvent and 20-30% of water. The protective agent is prepared by uniformly mixing the alkyl alkoxy silane, terminal-substituted polydimethylsiloxane and the emulsifier in the organic solvent at room temperature, then adding the catalyst to perform a uniform reaction, then dropwise adding the completely-reacted oil phase system into deionized water, and performing high-speed shearing for obtaining a paste. The preparation method is simple, the coating operation is simple, the cost is low, when the concrete surface is coated with the organosilicon concrete protective agent, a layer of a hydrophobic film is formed along the aperture inner walls of concrete, so that freeze-thaw cycle, chloride ion erosion and the like can be prevented, and the organosilicon concrete protective agent is applicable to facilities such as highways, bridges, tunnels, seaport wharfs, airports and the like, and is applicable to industrialized production.

The invention discloses a super-hydrophobic conformal coating, and a preparation method and an application method thereof. The super-hydrophobic conformal coating is composed of, by mass, 5 to 40% of fluorocarbon resin, 10 to 30% of fluorosilicon resin, 20 to 60% of an organic solvent, 10 to 30% of silica, 1 to 10% of titanium dioxide, 1 to 10% of polytetrafluoroethylene, 0.1 to 0.5% of a catalyst, and 1 to 5% of a curing agent. According to the preparation method, the ingredients are subjected to stirring mixing and ultrasonic uniform dispersion in sequence at a certain ratio. According to the application method, the super-hydrophobic conformal coating is subjected to direct spraying or brush coating onto the surfaces of insulators and outdoor electric power facilities; the thickness of obtained coating layers is controlled to be 0.1 to 0.5mm preferably; and 20 to 60min of normal temperature curing is needed. The preparation method is simple; the cost is low; the super-hydrophobic conformal coating is convenient to use, possesses extremely high hydrophobicity and weatherability, is capable of realizing self cleaning, is a nanometer composite hybrid normal-temperature cured fluorocarbon coating, is capable of realizing stain prevention, pollution flashover prevention, and corrosion prevention of insulators and outdoor electric power facilities effectively, and is promising in application prospect.

The invention discloses a water epoxy floor coating which is a double-component emulsion coating comprising a component A and a component B, wherein the component A comprises water, a water epoxy curing agent, an addition agent, a filler and paint; and the component B comprises liquid epoxy resin, a reactive diluent and an environmentally-friendly type organic solvent; and the proportion of the component A to the component B is 10:3. The water epoxy floor coating has the advantages of the avoidance of the environmental pollution and the harm to the health of the human body, strong ventilation property, suitability for moist base planes and satisfaction of environmentally-friendly requirements and can be widely applied to the field of the industrial floor coating.

The invention discloses water-based colourful building coating. The water-based colourful building coating is formed by mixing the following components in percentage by mass: 5-20% of water-based colour paste, 60-70% of colour chip system and 30-40% of emulsion binder. A preparation method of the water-based colourful building coating comprises the following steps: preparing basic paint, matching colour, preparing a protection glue system, preparing a colour chip system, preparing an emulsion binder, and adding the colour chip system into the prepared emulsion binder, thus the stable water-based colourful building coating is formed. The water-based colourful building coating has the advantages that the protection glue system and cellulose in the basic paint interact with each other, so that produced gel is firmly wrapped on the surface of the basic paint of each colour, and surface activity of negative ions provides negative charges to form stable colour chips in various colours; the water-based colourful building coating can improve colour chip stability and storage stability, can prevent precipitation, colour bleeding and muddy water of the water-based colourful particles, is moulded by spraying in one step, good in recoatability, realistic in natural marble imitating effect and simple to maintain, has certain elasticity and can be used for making up micro cracks of a wall body.

The invention relates to a matt release film. The matt release film comprises a base film and a matt release coating layer arranged at one side of the base film; and the matt release coating layer is formed by coating a fluorine-containing thermosetting coating, and the coating comprises fluorine series resin, acrylic resin, aldehyde ketone resin, a curing agent system, an assistant, a delustering agent and a mixed solvent. The matt release film has the advantages of low surface tension, good adhesiveness and overcoatability, excellent heat and solvent resistance, and high residual adhesion rate and excellent matt effect after peeling when the matt release film is used in the field of electron manufacturing.

Two component (2K) waterborne polyurethane coating compositions which when cured achieve excellent anti-graffiti properties at low VOC level (below 100 g/L) are disclosed. The composition comprises (A) a fluorinated polyol and optionally a non-fluorinated polyol; and (B), a blend of polyisocyanates comprising a hydrophilically modified trimer of hexamethylene diisocyanate (HDT) and a hydrophilic ally modified trimer of isophorone diisocyanate (IPDT). The glass transition temperature of the ambient cured coatings, crosslinked network structure, and fluorine content at the surface enable excellent anti-graffiti properties. The waterborn coatings of the invention have excellent recoatability and exceptional chemical resistance.

The invention discloses polyurethane heat reflection ship hull coating, and relates to double-component acrylic polyurethane weathering heat reflection ship hull coating which can reach the film thickness requirements by generally applying one to two topcoat in coating. The film forming matters of the polyurethane heat reflection ship hull coating includes aliphatic polyurethane resin and acrylic resin, which are simultaneously added with weathering pigments and fillers and heat reflection materials so that various mechanical physical performances and weathering performances of the coating are greatly improved. The coating is double-component acrylic polyurethane corrosion protective coating, including acrylic resin, polyurethane resin, plasticizers, heat reflection material, pigments and fillers, imported dispersants, anti-sedimentation agents, and the like; and the weight ratio of A component and B component is 8:1. The coating has very excellent aging resistant performance, hard coating film, high glossiness and strong adhesion force, can achieve good external corrosion prevention effect, and is widely used in steel structures, pipelines, storage tanks, tank cars and equipment in the industries such as the chemical engineering, the machinery, the ship, the metallurgy and the like as the surface corrosion prevention coating.

The invention relates to an aluminum alloy wheel finishing varnish capable of thick-film spraying and re-coating, wherein the aluminum alloy wheel finishing varnish is prepared from the following components in parts by weight: 10-20 parts of hydroxyl acrylic resin, 15-30 parts of thermosetting acrylic resin, 15-35 parts of anti-sagging resin, 16-22 parts of amino resin, 1.5-3.0 parts of an adhesion promoter, 0.3-1.0 part of a silane coupling agent, 0.3-0.8 part of a leveling agent, 0.05-0.2 part of a defoaming agent, 0.5-2.0 parts of a light stabilizer, and 13-18 parts of a solvent. The invention also provides a preparation method for the aluminum alloy wheel finishing varnish capable of thick-film spraying and re-coating. The aluminum alloy wheel finishing varnish capable of thick-film spraying and re-coating has the relatively large advantages in salt fog resistance, water resistance, recoatability and the like, and has excellent re-coating adhesive force and good weather resistance.

The invention discloses a cashew phenolic aldehyde amide epoxy hardener for four-season-general type anticorrosive paint and a preparation method of the cashew phenolic aldehyde amide epoxy hardener. The cashew phenolic aldehyde amide epoxy hardener is composed of, by weight, one part of diethylenetriamine, 2.5-3 parts of dimer acids or fat single acids, 2.8-3.2 parts of anacardol, one part of the diethylenetriamine, and 0.9-1.2 parts of 96%-purity paraformaldehyde. Raw material composition, and the best matching and the feeding order of each material are optimized through a large number of experiments, and each component matching is scientific and reasonable. The method of mannich addition after amidation is utilized, the whole process is strong in operability, cost is low, production periods are short, productivity is high, the prepared cashew phenolic aldehyde amide epoxy hardener can be general in four seasons, drying is rapid, operation periods are short, anti-corrosion performance is good, and water-proof performance is excellent. The cashew phenolic aldehyde amide epoxy hardener can be widely used in the fields of pipe and storage tank storage corrosion prevention, adhesion agents, metallic top coats, chip heavy corrosion prevention and the like.

The invention provides a vibration wear-resistant coating and a preparation method and a spraying process thereof. The vibration wear-resistant coating comprises PU type primer and UV photocurable finish coating. The PU type primer is prepared from 40-50 parts of thermoplastic acrylic resin, 10-20 parts of hydroxy acrylic resin, 1-3 parts of cellulose acetate butyrate, 1-2 parts of adhesion promoter, 2-4 parts of auxiliaries, 15-25 parts of pigment filler and 20-30 parts of mixed solvent; and the UV photocurable finish coating comprises the following components in parts by weight: 10-20 partsof high-functionality polyurethane acrylate, 15-25 parts of six-functionality polyurethane acrylate, 15-28 parts of four-functionality polyurethane acrylate, 4-10 parts of two-functionality polyurethane acrylate, 0.5-1 part of a dispersing agent, 0.5-1 part of a leveling agent, 0-10 parts of extinction powder, 0-25 parts of wax liquor, 0-10 parts of a photoinitiator and 20-30 parts of a mixed solvent. When the vibration wear-resistant coating is applied to a mobile phone (plastic material) frame or a mobile phone side key, the vibration wear resistance and durability of the product can be improved, and a coating film can be prevented from falling off after long-time use.

The invention discloses a water-based PU brush surface conditioning agent for synthetic leather, which comprises the following materials by weight percent: 10 to 20 percent of water-based stoving varnish resin, 1 to 6 percent of water-based polyurethane, 60 to 70 percent of water, 5 to 13 percent of silicon dioxide matting agent, 0.5 to 2 percent of organic silicon flatting agent, 1 to 5 percent of organic silicon foam killer and 2 to 6 percent of water-based modified polyethylene wax emulsion. In the water-based PU brush surface conditioning agent for synthetic leather, water is taken as solvent to replace noxious solvents, such as dimethyl formamide and butanone, so that the water-based PU brush surface conditioning agent has the performances of non-inflammation, safety, environmental protection and cost saving, and resin has the advantages of good film reforming property, firm bonding, solvent resistance, cold resistance, hydrolysis resistance and thermosenescence resistance of coating, and the finished product made of the surface conditioning agent has unique brush effect, strong dermis effect, water resistance and good air permeability.

The invention discloses a method for improving the surface tension and recoatability of an organosilicone synthetic leather coating. Through the coordination addition reaction of a silicon hydrogen bond and a double bond, a polarity polyurethane chain segment with a terminal sealed by the double bond is introduced into an organosilicone synthetic leather coating material, the surface tension and recoatability of the organosilicone synthetic leather coating are improved, the technical problems that a monotonous organosilicone synthetic leather coating is poor in adhesion to base cloth, after-finishing wet smoothness and recoatability due to the low surface energy is effectively solved, and the method has the feasibility of changing the product aesthetics effect and special effect. In addition, the prepared modified organosilicone coating has the advantage of keeping the wear resistance, scratching resistance, cold resistance, water resistance and the like of the organosilicone coating,does not contain any organic solvent, has the outstanding green and environment-friendly characteristics, and can be widely applied to the industries of leather, synthetic leather, textiles, plastic,rubber, building material, coating and the like.

A pseudo-metallic fluorocarbon paint adopts polymer or inorganic substance-coated aluminum paste, solving the problems of darkening and peeling caused by insufficiency of alkali resistance of untreated aluminum powder paste used in the prior art. The pseudo-metallic fluorocarbon paint comprises composition I including hydroxyl fluorocarbon resin, the polymer or inorganic substance-coated aluminum paste, wetting and dispersing agent, cellulose acetate butyrate, anti-settling sagging agent and solvent; and composition II, hexamethylene diisocyanate (HDI) trimer, wherein, the proportion of composition I to composition II is 16-19:1. The pseudo-metallic fluorocarbon paint prepared by using such compositions including polymer or inorganic substance-coated aluminum paste, in such a proportion, has the advantages of extraordinary alkali and color-changing resistance, so in alkaline environment, aluminum powder erosion changes seldom occur. When being applied to building walls for coating protection, the paint has excellent color retention performance.

The invention relates to a preparation method of a scratch resistant polyurethane woodenware glossy black finish paint. The finish paint is composed of a resin paint component A and a curing agent component B; wherein the weight ratio of the component A to the component B is 1:0.5; the resin paint component A is composed of alkyd resin, acrylic resin, aldehyde-ketone resin, carbon black color paste, a chelating leveling agent, an antifoaming agent, an anti-settling agent, and a solvent; and the curing agent component B is composed of a TDI-HDI mixed trimer or a TDI/TMP adduct, a HDI trimer, and a solvent. The prepared finish paint has the advantages of high hardness, low viscosity, and good leveling property. The finish paint can form a membrane at a time, the membrane is thick, and no sag is generated. The paint has high gloss and a transparent crystal appearance like a black jade. The paint membrane is like a crystal, is thick and smooth, gives people a high quality sense, has a decoration effect like a mirror, and creates a fresh, grace, concise, and tranquil space. A refreshing unique feeling is created by the finished paint which is accord with the modern aesthetics, so the finish paint is welcomed by market and customers. The finish paint can be used to decorate and protect the surfaces of woodenware, metal products, and plastic products.

The invention provides a phenolic epoxy resin radiation protection coating, which comprises the following raw materials in parts by weight: 20-30 parts of phenolic epoxy resin, 10-15 parts of expanded graphite, 5-10 parts of carbon nanotubes, 1-30 parts of titanium dioxide 5 parts, 0.5-3 parts of hydroxypropyl methylcellulose, 8-14 parts of glass powder, 5-10 parts of talc powder, 8-12 parts of kaolin powder, 5-10 parts of perlite, 10-15 parts of wollastonite powder , 1-5 parts of dicyclopentenyloxyethyl acrylate and 20-30 parts of water. The present invention also provides a preparation method of the above-mentioned phenolic epoxy resin radiation protection coating. The components in the above-mentioned phenolic epoxy resin radiation-proof coating provided by the present invention cooperate with each other and complement each other, so that the coating has excellent anti-corrosion, radiation protection, antibacterial, flame-retardant, and anti-corrosion properties under the premise of maintaining good adhesion. High temperature, anti-cracking, anti-corrosion, resistance to alternating cold and heat, storage stability and other characteristics.

The invention belongs to the field of fine chemical coatings, and discloses a preparation method of a fouling resistant coating for a highway barrier. The method comprises the following steps of: firstly preparing a phosphate-group-containing hydroxyl acrylic acid water dispersion, then preparing nanometer TiO2 dispersion slurry which is stable in performance, and finally preparing an ingredient A by dispersing and grinding the nanometer TiO2 dispersion slurry, the phosphate-group-containing hydroxyl acrylic acid water dispersion, an ultraviolet absorber, a solvent, a pigment filler and other auxiliaries in proportions. The coating for the highway barrier prepared from the ingredient A and an aliphatic isocyanate curing agent (ingredient B) can be easily coated thick; the coated film has the characteristics of good weather resistance, strong fouling resistance, and excellent corrosion resistance; the shortcomings that coating equipment needs to be fixed, a barrier plate needs to be repaired, the field maintenance is difficult, and the decoration performance is poor in the traditional coating construction for the highway are avoided; and therefore the coating can be widely applied to the highway barrier facilities of barrier plates, upright posts, bolts and the like, and also can be widely applied to the protection of large-sized construction machinery and other outdoor steel structures.

The invention relates to a micro powder reinforced polyurethane-based high-strength waterproof heat preservation and decoration integrated material and a preparation method thereof. According to the material, polyurethane is adopted as matrix resin, a large number of micro powder particles and multiple compounding agents are added, grinding is carried out, foaming is controlled, and the closed-cell material is prepared. Coatings or rolls or plates or blocks can be manufactured by means of brushing or spraying or pouring. The material can be manufactured to be red, yellow, blue, black, white and other colors by adjusting a coloring agent. The material has the comprehensive advantages of being efficient, waterproof, good in heat preservation performance and decoration effect, high in strength, good in corrosion resistance, resistant to inflaming and the like. The coatings are tightly bonded with a substrate, and the surface is smooth. The material has good toughness as the rolls and can be used for waterproofness and heat preservation of newly-built or existing buildings, tunnels, underground facilities and the like. The material serves as the plates, sand particles can be bonded to the surface of damp-dry slurry to obtain various building plates with a stone grain decoration effect. The material is extremely low in cost and has good market prospects.

The imitation metal fluorocarbon paint includes component A containing fluorocarbon resin (53%), metal pigment paste, wetting dispersing agent, cellulose acetate-butyrate, colour paste, antisettling sagging agent and solvent and component B containing hexamethylene diisocyanate tripolymer. Their mixing ratio is A:B=10-14:1, according to the above-mentioned mixing ratio, the imitation metal fluorocarbon paint can be made up. It possesses the following advantages: 1. it can be solidified and film-formed at normal temp.; 2. it can be directly spray-coated on the surface of external wall of cement building; 3. its construction is simple, its cost is 1/5 of that of baked aluminium curtain wall; and 4. said paint not only can be used for decorative protection of wall body but also can be used in the fields of steel and iron structure, wooden product and plastics.