85results about "Anti-corrosive paints" patented technology

The invention provides polyaniline-graphene composite based anticorrosive paint and a preparation method thereof. The polyaniline-graphene composite based anticorrosive paint comprises, by weight, 20-90 parts of film former, 0.1-20 parts of polyaniline-graphene composite, 1-10 parts of pigment, 1-10 parts of filler, 0.1-3 parts of sag-proof agent, 0.1-4 parts of dispersant, 0.01-2 parts of flatting agent, 0.01-2 parts of defoaming agent, and 1-50 parts of solvent. The paint has good physical anticorrosion as graphene is high in radius-thickness ratio and high in flexibility and has electromechanical anticorrosion by the aid of polyaniline loaded on the surface of the graphene, and under synergism of the polyaniline and the graphene, the paint has fine metal corrosion resistance. The anticorrosive paint achieves passivation and corrosion inhibition of metal substrates, avoids use of heavy metals causing environmental pollution, such as chromium and the like, and is simple to prepare, low in cost and easy in industrial batch production.

Sulfonated aromatic copolyesters and articles made therefrom, and processes for producing the sulfonated aromatic copolyesters and articles are provided. Articles that can be made from the sulfonated aromatic copolyesters include films, coatings and laminates. Some of the compositions and articles are biocompostable. The films can further be used to form shaped articles such as sheets, food packaging such as sandwich wraps, thermoformed containers, and coatings for, for example, films and other substrates. The sulfonated aromatic copolyesters contain a hydroxyalkanoic acid component.

The invention discloses functional composite coating and a preparing method thereof and belongs to the technical field of coatings. The functional composite coating solves the problems that a corrosion-resisting coating in the prior art is large in thickness, low in elasticity, easy to damage in larger stress impact, poor in friction resistance, poor in marine corrosion resistance, short in service life and unable to be used in a wider temperature range. The composite coating is composed of a base coat, a floating coat and a cover coat, wherein the base coat is composed of a zinc chromate primer and a zinc chromate primer curing agent according to a weight ratio of 8 to 1, the thickness of the base coat is 35-65mum, the floating coat is composed of epoxy resin, an epoxy curing agent, a flexibilizer and a filling agent, the thickness of the floating coat is 0.25-0.45mum, the cover coat is composed of fluorocarbon painting and functional painting according to a weight ratio of 1 to 1, and the thickness of the cover coat is 0.4-0.8mum. The composite coating has excellent corrosion resistance, friction resistance and impact resistance, is small in coating thickness and high in elasticity, can resist high-low temperature change of seawater and can be used in a wider temperature range.

The invention discloses an anti-corrosion and wear-resisting coating for a throwing disc of a pneumatic type feeder. The anti-corrosion and wear-resisting coating is prepared from a POSS (polyhedral oligomeric silsesquioxane) coated multiwalled carbon nanotube, bisphenol A epoxy resin, phenolic resin, wear-resisting filler, a self-lubricating material, an antifoaming agent, a leveling agent, a curing agent and a solvent. According to a preparation method of the anti-corrosion and wear-resisting coating, POSS and a multiwalled carbon nanotube are used for preparing the POSS coated multiwalled carbon nanotube firstly, then the POSS coated multiwalled carbon nanotube are mixed with the bisphenol A epoxy resin, the phenolic resin, the wear-resisting filler, the self-lubricating material, the antifoaming agent, the leveling agent and the solvent in proportion, coating slurry is prepared, the coating slurry is mixed with the curing agent and cured at the room temperature for film forming during construction, and the anti-corrosion and wear-resisting coating is obtained. The preparation process of the coating is simple to operate, and the prepared coating has excellent corrosion resistance, wear resistance, self-lubrication and water lubrication and is an ideal anti-corrosion and wear-resisting material for the throwing disc of the pneumatic type feeder, an oil conveying pipe and the like under severe working conditions.

The invention provides a weather-resistant paint for outdoor tent support bars, which is prepared from the following components in parts by weight: 40-60 parts of epoxy resin, 5-15 parts of pigment, 5-10 parts of filler, 1-2 parts of dispersing agent, 1-2 parts of leveling agent, 1-2 parts of rust inhibitor, 1-2 parts of defoaming agent, 1-2 parts of drying agent, 1-2 parts of plasticizer, 1-2 parts of film formation assistant, 30 parts of acetone and 70 parts of water. The paint has the advantages of abundant raw material sources and low cost; and by matching various auxiliary materials with the main materials, all the components interact and are coordinated, so that the thermal-insulation paint has the characteristics of highlight irradiation resistance, aging resistance, rain water corrosion resistance, skid prevention and the like, and especially has excellent ultraviolet resistance and thermal-insulation property.

The invention belongs to the field of anticorrosive paint, and particularly relates to a preparation method of an attapulgite-carbon nitride-polyaniline composite material and anticorrosive paint containing the composite material.The anticorrosive paint is prepared through the steps that one-dimensional attapulgite and two-dimensional graphite-phase carbon nitride are taken as a composite nuclear body material, aniline is polymerized on the surface of the composite nuclear body material to prepare attapulgite-carbon nitride-polyaniline composite anticorrosive packing, and then the attapulgite-carbon nitride-polyaniline composite anticorrosive packing is mixed with polyurethane, a coloring pigment, packing, a dispersing agent, a flatting agent, a defoaming agent and water to prepare the anticorrosive paint.The attapulgite-carbon nitride-polyaniline composite material is applied to the anticorrosive paint and has the multiple effects of preventing electrochemical corrosion and physical corrosion, enhancing the mechanical performance of a coating and the like.

The invention relates to a double-component epoxy zinc-enriched primer and the making method thereof, used in anticorrosive engineering of steel constructions, such as pipelines, shop equipment, ships, bridges and storage tanks, comprising: adding mixed solvent of dimethylbenzene and normal butanol in epoxy resin, then adding in surface active modified polyurethane, gamma-glycidol trimethoxy silane, silicon oil and zinc powder, and mixing uniformly, grinding and then adding in polyurethane wax and blending uniformly into solution A; composing solution B by polyurethane and dimethylbenzene; and it is mixed of solutions A and B as used, where the content of zinc powder in the coating is above 80%, and it has excellent anticorrosive performance, convenient to construct.

The invention provides a metal roof coating and a preparation method thereof. The preparation method comprises the following steps of sequentially adding deionized water, a pH adjusting agent, a wetting agent, a dispersing agent, a defoaming agent, a coalescing agent, an anti-freezing agent, an anti-corrosion agent, an adhesion accelerator and a wetting accelerator into a dispersing machine and dispersing for 5 minutes at a rotating speed of 500r/min; sequentially adding titanium dioxide powder, calcined kaolin and heavy calcium carbonate and dispersing for 25 minutes at a rotating speed of 1200r/min; adding an emulsion and dispersing for 5 minutes at a rotating speed of 600r/min; adding glass microbeads and dispersing for 20 minutes at a rotating speed of 400r/min; and finally adding an inhibitor and a thickener and dispersing for 10 minutes at a rotating speed of 500r/min to obtain the metal roof coating. The metal roof coating provided by the invention can integrate three functions, namely, rust-inhibiting function, waterproof function and thermal-insulation function into a whole; and during construction, only a coating needs to be purchased to achieve three roof effects and excellent adhesion force is also achieved.

The invention discloses water-based alkyd-acrylate dispersion as well as a preparation method and application thereof. The water-based alkyd-acrylate dispersion is prepared from the following raw materials: alkyd resin, an acrylate monomer, texanol, an initiator and a neutralizer, wherein the alkyd resin comprises the following raw materials: rosin, vegetable oil, polyol, phthalic anhydride, maleic anhydride, trimellitic anhydride, D40 solvent oil, an alcoholysis catalyst, an esterification catalyst and texanol. The water-based alkyd-acrylate dispersion is prepared from the raw materials through a chemical copolymerization method; wherein the particle size of the nano titanium dioxide is 178-188 nm, the Mw/Mn is 2.93 to 2.96, the grafting rate is 51-57%, the particle size is small and uniform, the stability is better, the grafting rate is high and the molecular weight distribution is more uniform; a molecular chain contains conjugated double bonds, carboxyl and other functional groups,so that the crosslinking density can be improved, the water absorption rate of a paint film is reduced, and the hardness, adhesive force, salt fog resistance and other properties of the paint film are improved.

The invention provides VCI powder zinc-rich paint for protecting the surface of a steel structure. The VCI powder zinc-rich paint is characterized by comprising, by weight, base material, filling, VCI (volatile corrosion inhibitor) and auxiliary, the base material comprises 20-50 parts of epoxy powder resin, 20-50 parts of polyester powder resin, 30-60 parts of sheet zinc powder, 5-10 parts of aluminum triphosphate and 5-10 parts of zinc phosphate, the auxiliary is one or multiple of flatting agent, electroconductive agent and degassing agent, a mass ratio of the base material to the filling is 3:1-3:7, mass of the VCI is 5-10 parts of total mass of the base material and the filling, and mass of the auxiliary is 2-10 parts of the total mass of the base material and the filling. The VCI powder zinc-rich paint has good shielding effect that powder paint has, has cathode protecting effect equivalent to common zinc-rich paint and has corrosion inhibiting effect that the VCI has, so that excellent protecting effect on metal base materials is realized.

The invention discloses uvioresistant fluorocarbon metal anti-rust paint and a preparation method thereof. The uvioresistant fluorocarbon metal anti-rust paint is prepared from slurrying raw materials and paint mixing raw materials; a paint film formed by the anti-rust paint has high hardness, scratch resistance, strong adhesion, salt fog resistance, saline resistance, acid-base resistance, water resistance, oil resistance, ultraviolet light resistance, aging resistance, low temperature resistance and heat and humidity resistance; the anti-rust paint can be used on the surface of an old paint film repeatedly; and the damage to the paint film can be avoided, and the ultra strong toughness of the paint film can be guaranteed. The service life of the common paint film can be 8 to 10 years.

The invention belongs to the field of chemical coating, and particularly provides water-based epoxy thick slurry anticorrosive paint as well as a preparation method and application thereof, an anti-rust pigment, a pigment and a filler are prepared into water-based slurry by optimizing the novel anti-rust pigment and improving the existing process, the water-based slurry is added into a curing agent component, and the technical problem that the storage period of the paint is short due to the fact that the conventional anti-rust pigment is easily to promote epoxy ring opening polymerization reaction in an epoxy emulsion is solved. The prepared epoxy thick slurry anticorrosive paint has wide adhesive force and can be used for corrosion prevention of carbon steel, cold rolled steel, aluminum materials, machine processing surfaces, zinc-plated steel and the surface of each metal substrates hot-spraying zinc and other mild to medium-corrosion environments, and the coating has good salt-fog resistance and excellent corrosion resistance.

The invention provides a separating device for fish and shrimps on boat. The device comprises a magnet, a separating rack, a shrimp pond, a separating board and a fishpond; an upper end of the magnet is provided with the separating rack; one end of the separating rack is provided with gradient; magnetic poles are symmetrically installed at two sides inside the separating rack; the other end of the separating rack is provided with a partition plate; one end of the separating rack is connected with the shrimp pond; one end of the shrimp pond is provided with gradient; an upper end of the shrimp pond is provided with the separating board; the middle of the separating board is provided with a second partition plate; transmission devices are installed at two sides of the separating board; the shrimp pond is connected with a guiding rack; one end of the guiding rack is provided with the fishpond. The separating device for fish and shrimps on boat provided in the invention has simple structure and can automatically performs classification according to the reaction of the magnetic poles of fish and shrimps without frequent contact of the fish and shrimps so as to increase the survival time of fish and shrimps.

The invention relates to the field of metallic paint preparation, and particularly relates to a true copper metallic combination paint as well as a preparation method and a construction process of the paint preparation. The preparation method specifically comprises the procedure of applying high-anticorrosion epoxy iron red priming paint, true copper paint, true copper black coating stringing paint and true copper surface oil layer by layer on the surface to be constructed. The true copper metallic combination paint comprises four layers of paint, which are constructed and combined artistically and interact with one another, and has the advantages that the copper texture is strong, the anticorrosion property is good, the adhesion force is strong, fading is prevented, and acid, base and greasy dirt can be resisted, the weather-proof performance and the environment friendliness are excellent, and the similarity of the decorative effect of the paint and that of metal copper can reach over 95 percent. The preparation method for the true copper metallic combination paint is reliable, and the construction process is scientific and reasonable and is suitable for large-scale coating operation on a production line.

The invention discloses a transparent high-temperature-resistant anti-corrosion nano composite ceramic coating suitable for a welding part. The coating comprises nano silicon oxide, nano aluminum oxide, nano zirconium oxide, a silicon modified water-based additive, a water-based dispersant, a water-based leveling agent, a water-based suspension stabilizer, a water-based curing agent, a water-based wetting agent, a water-based PH value regulator, a water-based low-temperature anti-freezing solution and deionized water, the transparent high-temperature-resistant anti-corrosion nano composite ceramic coating can realize transparent and ultrathin high-precision corrosion resistance on the welding part, and the used coating is high-temperature-resistant, boiling-resistant, damp-heat-resistant; meanwhile, the coating is a pure water-based environment-friendly coating, and VOCS is lower than 5 g/L; the coating reaches the food grade, meets the FDA related requirements, is easy to use, can be used in a traditional coating mode, and is high in cost performance, the maximum coating plane area of 1 kilogram of the coating can exceed 50 square meters, and the use cost is lower.

The invention discloses an environment-friendly ceramic coating material for a water faucet. The environment-friendly ceramic coating material for the water faucet is prepared according to a formula comprising the following raw material components in percentage by mass: 80-100 parts of fluorocarbon resin, 8-10 parts of organosilicone oil, 3-5 parts of naphtha, 6-8 parts of polydimethylsiloxane, 10-12 parts of absolute ethyl alcohol, 5-8 parts of alkylphenol polyoxyethylene, 6-8 parts of castor oil polyethenoxy ether, 30-35 parts of an acrylic resin emulsion, 6-8 parts of a nano graphene oxide solution, 10-12 parts of perfluoropolyether, 5-6 parts of sodium chloride, 6-8 parts of disodium hydrogen phosphate, 5-6 parts of aluminum oxide, 6-10 parts of glass fiber powder, 5-8 parts of zinc powder, 6-8 parts of copper powder, 8-10 parts of carbon fiber powder, 8-10 parts of polybutylene terephthalate, 6-8 parts of calcium stearate, 5-8 parts of zinc stearate, 7-9 parts of sodium methyl silicate, 3-5 parts of isobutyl isobutyrate, 6-8 parts of ethlene bisstearamide and 8-10 parts of diethylene glycol monobutyl ether. The environment-friendly ceramic coating material for the water faucet has the advantages of corrosion resistance, wear resistance, high adhesive force, bright and clean appearance and compact coating structure.

The invention discloses a full-inorganic interior and exterior wall coating and a preparation method thereof in the technical field of inorganic coatings. The full-inorganic interior and exterior wallcoating comprises the following raw materials by weight: 20-30 parts of a potassium silicate solution, 10-25 parts of silica sol, 30-40 parts of calcium carbonate, 15-25 parts of a barium chloride solution, 10-15 parts of a sodium phosphate solution, 10-15 parts of pigment, 5-8 parts of an assistant, 25-30 parts of deionized water and 1-2 parts of a thickening agent. The silica sol is added intothe potassium silicate solution, nano titanium dioxide particles in the silica sol are uniformly dispersed in the potassium silicate solution, the nano titanium dioxide itself has excellent corrosionresistance and high hardness, and the coating contains the nano titanium dioxide, so that the corrosion resistance and strength of the coating are improved; the barium chloride solution is added intoa suspension of calcium carbonate and sodium phosphate, the sodium phosphate and barium chloride react to generate barium phosphate precipitate, the barium phosphate precipitate coats the outer surfaces of calcium carbonate particles, dissolution of calcium carbonate is inhibited, and the corrosion resistance of the coating is greatly improved.

The invention belongs to the field of coatings and particularly relates to a preparation method and application of an anticorrosive additive with polyaniline covering gas-phase nano-silica. The anticorrosive additive has a core-shell structure, the core is nano-silica particles, the shell is polyaniline, and the thickness of polyaniline covering the surface of the gas-phase nano-silica particles is even. In terms of total mass of the anticorrosive additive, the anticorrosive additive comprises, by weight, 9-50% of polyaniline. Conductivity of the anticorrosive additive reaches 10-1S*cm-1. The preparation method includes: aniline monomer pre-attachment, polyreaction, post-treatment, undoping and secondary doping. The invention further comprises preparation of an anticorrosive coating with polyaniline covering gas-phase nano-silica, a quite compact and even anticorrosive coating can be achieved by baking the sprayed anticorrosive coating, and metal can be protected effectively.

The invention discloses a preparation method of an epoxy resin/GO super-hydrophobic anticorrosive coating. The method comprises the following steps: s1, preparing GO-Fe3O4 nanoparticles by using a hydrothermal method; s2, carrying out amination of the GO-Fe3O4 nano particles; s3, carrying out fluorination modification on the diethylenetriamine curing agent; s4, preparing a magnetic induction epoxyresin/GO composite coating; and s5, performing hydrophobization modification. Herein, the GO-Fe3O4 nanoparticles are loaded on the surface of GO, wherein the nanoparticles directionally move towardsthe surface of the coating through an external magnetic field in the film forming process, a rough surface structure is formed, hydrophobic modification is conducted on the surface of the rough surface structure through a modifier, the composite coating has super-hydrophobicity, and the static water contact angle reaches 154.96 degrees. The prepared super-hydrophobic anticorrosive coating has an in-layer gradual change structure, so that the coating base material is hydrophobic while the surface of same has super-hydrophobic characteristic and in-layer graphene oxide particles are arranged ina gradual change density manner, so that the coating has a graphene oxide shielding effect and a dual anticorrosive effect brought by surface super-hydrophobicity.

The invention discloses an anticorrosive coating material for reinforced concrete, a preparation method and applications thereof, and belongs to the technical field of anticorrosive coating materials,wherein the anticorrosive coating material comprises, by mass, 8-30% of a phenol formaldehyde epoxy resin, 4-20 % of Ethylene glycol diglycidyl ether, 4-20 % of butanol, 1-5 % of a xylene-type unsaturated polyester resin, 7-32 % of a modified amine epoxy resin curing agent, 0.8-4 % of toluene-2,6-diisocyanate and/or modified toluene-2,6-diisocyanate, 5-25 % of mica flakes, and 2-3 % of ultrafinesilica. According to the present invention, the anticorrosive coating material has advantages of good sulfate and chlorine ion barrier performance, low film thickness, low surface energy, strong climate adaptability, good mechanical property, simple coating and the like, can meet the use requirements of high-sulfate and high-chlorine-ion composite salty soil environments, and can ensure the safetyand the long-term stability of the reinforced concrete infrastructure in the high-sulfate and high-chlorine-ion composite salty soil environment.

The invention relates to high-weatherability anti-corrosive paint, which is mainly applied to an iron tower assembly. Raw materials of the paint mainly comprise organic silicon resin and fluorine or fluorine surface active agents. The iron tower assembly comprises an assembly body, wherein a zinc-containing layer and a composite layer are arranged outside the body, and the composite layer comprises organic silicon resin mixed with the fluorine or the fluorine surface active agents, i.e. the composite layer is the high-weatherability anti-corrosive paint. The high-weatherability anti-corrosive paint and the iron tower assembly disclosed by the invention are characterized in that the paint is applied to the outer surface coating of steel (iron) materials, because the organic silicon rein and the fluorine or the fluorine surface active agents are adopted as major parts of the raw materials, the ultravioresistant capability is greatly improved, in addition, the attaching force is good, the waterproof capability is good, and the iron tower assembly is difficult to age and corrode and has strong impact-resistance capability in outdoor use environment for a long time.

The present invention relates to a new paint, which is composed by matching rust-inhibiting primer and high performance weather-resistant top-coat. Paint prime lacquer 3 times and top-coat 2-3 times generally when painting. The main film forming matter is acroid resin and special type modified resin, which improve various mechanical physical properties and weather-resistant properties like adhesive force of the paints greatly. The paint is single modified acroleic acid anti-corrosive paint and composed by acroid resin, modified resin, plasticizer, flexibilizer, antirust pigment, fillers, imported dispersant and anti-settling agent etc., wherein the rust-inhibiting primer has excellent rust protection performance, and the top-coat has excellent aging-resistant characteristic, salt-mist-resistant, water resistant, diluted acid resistant, chemical smog and alternation of wetting and drying with lacquerfilm adamant and adhesive force strong and construction convenient, and coating has no season limitation, can be solidified at low temperature, no longest coating construction interval requirement and good recoatability.