714results about How to "Improve salt spray resistance" patented technology

The invention discloses a corrosion-resistant magnesium aluminum alloy chromium-free passivation solution, which comprises the following components: 10-40 parts of water-base resin, 1-10 parts of nanoparticle sol, 1-10 parts of fluoric-containing acid, 1-5 parts of fluoric acid-containing salt, 1-5 parts of a rare earth catalyst, 1-10 parts of a silane coupling agent, 1-5 parts of a corrosion inhibitor, 1-2 parts of a complexing agent and 40-70% of water. The corrosion-resistant magnesium aluminum alloy chromium-free passivation solution does not contain chromium and other toxic and harmful substances, meets the ROHS environmental protection law of the European Union, and meanwhile, can form an organic and inorganic composite passivation film and a thin film on the surface of a magnesium aluminum layer, and the formed composite passivation film has an excellent physical property and corrosion resistance, and has higher corrosion resistance and long salt fog time, so that the corrosion resistance of a magnesium aluminum alloy plate is better improved.

The present invention provides one kind of water thinned industrial paint based on water dispersed organosilicon epoxy acrylate. The water thinned industrial paint is prepared with water dispersed organosilicon epoxy acrylate, inert antirust pigment, active antirust pigment, nanometer material modified antirust pigment, stuffing, dispersant, wetting agent, thickener, drying agent, mildew inhibitor, preservative, defoaming agent, deionized water and other materials. The water thinned industrial paint with water dispersed organosilicon epoxy acrylate as base material can form coating with the features of high mechanical strength and high anticorrosive performance similar to that of epoxy resin as well as the features of high weather resistance and good decoration performance like acrylate resin. The water thinned industrial paint has convenient use and wide application range.

The invention relates to a fluorocarbon nanometer solar heat-insulation reflective paint, a preparation method thereof and a using method thereof. The paint can be used for roofs and glass curtain walls of the building industry, offshore drilling platforms, oil tanks and petroleum pipelines of the petroleum industry, the surfaces of cars and trains of the transportation industry, hulls and decks of the ship-building industry, and the tanks and warships of the weapon and aerospace industry. The fluorocarbon nanometer solar heat-insulation reflective paint comprises a component A and a component B, wherein the component A comprises the following materials in percentage by weight: 40%-70% of fluorocarbon resin, 1%-10% of nanometer TiO2 concentrated slurry, 10%-30% of infrared-ray reflective pigment, 3%-10% of hollow micro beads, 1%-5% of auxiliaries and 10%-20% of organic solvent; and the component B is cross-linking agent. The preparation method for the fluorocarbon nanometer solar heat-insulation reflective paint comprises the following steps: 1) preparing, dispersing and grinding the materials of the component A in proportion until the fineness is lower than 30 microns; and 2) mixing and curing the component A and the component B to prepare the fluorocarbon nanometer solar heat-insulation reflective paint. The fluorocarbon nanometer solar heat-insulation reflective paint provided by the invention is suitable for normal-temperature drying or low-temperature baking and drying; moreover, a coating film formed by the paint has the characteristics such as high reflectivity, a good heat-insulation effect, high corrosion prevention, high weather resistance, high self-cleanness, low friction and the like.

The invention provides an expanded type aqueous facing fireproof coating, which comprises the following components by weight: 10% to 30% of styrene-acrylic emulsion, 20% to 30% of ammonium polyphosphate, 10% to 20% of pentaerythritol, 15% to 25% of melamine, 5% to 10% of titanium dioxide, 2% to 8% of aluminum hydroxide, 1% to 5% of zinc borate, 1% to 2% of chlorinated paraffin, 0.05% to 0.2% of antiseptic, 0.1% to 0.2% of dispersing agent, 0.3% to 1.0% of film-forming auxiliary, 0.1% to 0.5% of cellulose ether, 0.5% to 2.0% of hydroxy silicone oil and the balance of water. The expanded type aqueous facing fireproof coating, provided by the invention, has the advantages of excellent water resistance and salt mist resistance, excellent adhesion and flexibility, good storage stability, no layering, no fineness change and no packing phenomenon, excellent waterproof resistance, smooth and fine coating film, no toxicity and pollution, and environment-friendliness.

The invention discloses a preparation method of non-isocyanate polyurethane and application of the non-isocyanate polyurethane in spraying polyurea. The preparation method of the non-isocyanate polyurethane comprises the following steps: (1) preparing a polyether diol diglycidyl ether intermediate; (2) preparing a heterogeneous loaded potassium carbonate and potassium iodide catalyst; (3) preparing polyether bicyclo carbonate; and (4) preparing the non-isocyanate polyurethane product. The invention has the advantages as follows: 1, the preparation method is low in energy consumption, free of pollution and low in cost and has a concept of environment friendliness, low-carbon economy and atomic economy; and 2. the prepared non-isocyanate polyurethane, as a amine resin for the spraying polyurea, has better chemical resistance, hydrolysis resistance and the penetration resistance and is superior to amino-terminated polyether in adhesion to substrate and leveling property.

The water-thinned flash paint consists of water dispersible acrylic resin, deionized water, water-thinned curing cross-linking agent, water dispersible aluminum powder, dispersant, carboxymethyl butyl acetate resin fiber and water thinned assistant. The water dispersible acrylic resin is prepared with monomer mixture of methyl methacrylate, styrene, butyl acrylate, methacrylic acid, ethoxy methacrylate and acetyl acetoxy methacrylate, and through free radical polymerization. The water-thinned flash paint has regularly arranged water dispersible aluminum powder, and can form paint film with high flash number, great adhesion of metal grain, high water tolerance, etc.

The invention relates to an organosilicon-modified polyurethane-acrylic ester photocurable coating and a preparation method thereof. The photocurable coating comprises the following components in percentage by weight: 25 to 60 percent of polyurethane-acrylic ester, 20 to 55 percent of organic polysilane, 5 to 15 percent of solvent, 1 to 5 percent of photoinitiator and 0.05 to 4.5 percent of aid. The preparation method comprises the following steps of: weighing the organic polysilane according to the amount of a formula, putting into a container, sequentially adding a polyurethane-acrylic ester photocurable resin, the solvent and the aid, mixing uniformly, adding the photoinitiator, stirring uniformly to obtain an ultraviolet-photocurable coating, and preserving in a dark place. The ultraviolet-photocurable coating composition can be coated on base materials such as plastics, metals, glass and the like; a coating subjected to ultraviolet photocuring has excellent wear resistance and mechanical properties; and meanwhile, the coating has excellent adhesion, water resistance, salt fog resistance and alkali resistance.

The invention relates to organic silicon resin, in particular to a method for preparing hydroxyl-terminated hyperbranched polyester modified organic silicon resin. The method comprises the following steps of: adding 40 to 60 weight percent of hydroxyl-terminated hyperbranched polyester, 40 to 60 weight percent of organic silicon resin and a cross linking catalyst into a reactor; after heating the mixture for 1 to 3 hours at the temperature of 110 to 120 DEG C, warming to the temperature of 150 to 180 DEG C and heating for 1 to 3 hours; and finally, reducing the temperature to the room temperature and adding an organic solvent to regulate the solid content to the range of 60 to 70 percent so as to obtain the hydroxyl-terminated hyperbranched polyester modified organic silicon resin. The method combines the advantages of the hydroxyl-terminated hyperbranched polyester with the organic silicon resin and excellent heat resistance, low surface energy, excellent boiling resistance and excellent salt fog resistance are obtained. The resin prepared by the method disclosed by the invention can be used for preparing a coating with high temperature resistance and low surface energy.

The invention relates to a kind of heat insulation paint with a high anticorrosion performance and a preparation method thereof. The anticorrosion heat insulation paint is composed of following components in percentage by weight: 35 to 60% of deionized water, 20 to 40% of modified epoxy resin, 5 to 30% of modified acrylic resin, 1 to 8% of amino resin, 10 to 25% of heat insulation materials, 0 to 8% of strengthening materials, and 1 to 10% of auxiliary agent. The preparation method comprises following steps: orderly adding deionized water, modified epoxy resin, modified acrylic resin, and amino resin into a reactor, starting the stirrer, evenly mixing the materials, adjusting the pH value of the system to a range of 7 to 9, then orderly adding the auxiliary agent, the heat insulation materials, and the strengthening materials, stirring for 1 to 3 hours in a high speed, and evenly mixing so as to obtain the anticorrosion heat insulation paint. The preparation method has the advantages of simple technology, high production efficiency, and low energy consumption. The prepared paint does not contain any organic solvent, so no solvent will volatilize during the coating solidification process, so no pollution is generated to the environment. The paint has the advantages of excellent mechanical properties of bonding strength, hardness, scratch resistance, wear resistance, and water resistance, and good properties of anticorrosion, salt smog resistance, forming ability, heat resistance, and deflection resistance.

The invention discloses salt-spray-resistant and anti-aging water-based paint and a preparation method thereof. The salt-spray-resistant and anti-aging water-based paint is prepared from components in percentage by weight as follows: 40%-60% of a water-based epoxy ester emulsion, 8%-20% of an anti-rust pigment, 1%-5% of a coalescing agent, 4%-20% of filler, 0.5%-2% of a dispersant, 0.5%-2% of a defoaming agent, 0.3%-0.6% of an anti-settling agent, 0.1%-2% of an anti-rust agent, 0.5%-2% of a flash-rust inhibitor, 0.1%-2% of a wetting agent, 0.1%-0.5% of a mildew preventive, 0.1%-2% of a thickening agent, 0.1%-0.3% of a pH conditioning agent and 1%-20% of deionized water. The water-based paint can resist neutral salt spray for 550 H and resist QUV aging for 600 H, has the advantages of high water resistance, good storage stability, contamination resistance, fast drying, safety, environment-friendliness, simple preparation process and the like, is environment-friendly, accords with the environmental protection development trend and is suitable for industrial production.

The invention provides a novel anti-skidding coating for a deck, which is composed of the following components in parts by weight: 30-45 parts of latex, 2-5 parts of film forming accessory ingredient, 15-25 parts of titanium pigment, 5-20 parts of filler, 0.2-1.0 part of wetting dispersant, 5-15 parts of anti-skidding agent, 0.1-0.5 part of de-foaming agent, 0.5-1.0 part of age inhibitor, 0.5-2.0 parts of thickening agent, 0.5-1.0 part of anti-mildew corrosion-protection agent, and 10-25 parts of water. The coating of the invention has very high wearing resistance and anti-skidding degree; the formed coat has good adhesive ability, wearing resistance, weather resistance, light-proof aging resistance, seawater resistance and salt mist resistance, wherein the artificial weathering aging test (ultraviolet UVB-313 resistance) is 4000 h, and the wearing resistance (1000g / 1000r) is not more than 30mg; the coating is applied to the corrosion prevention of the decks and the iron surfaces of the sea apparatus of boats and ocean platforms, wherein the decks and the iron surfaces require to have weather resistance, anti-skidding property, wearing resistance, and seawater corrosion resistance. The preparation method of the anti-skidding coating for the deck is simple in technology, low in cost and is performed without special apparatus.

The invention relates to a preparation method of a low-temperature curing water-based glass baking paint composed of acrylic resin, amino resin, hydroxyl resin, a pigment or a colorant, a wetting agent, an adhesive agent, an acid catalyst, a film-forming auxiliary agent, a defoaming agent, an anti-scratch flatting agent, a thickening agent, a bactericide, a pH regulator, a cosolvent and water. The prepared low-temperature curing water-based glass baking paint has the advantages of low VOC, no pollution to the environment, no poison and harm to operators, strong coating film adhesive force, good flexibility, high hardness, excellent wear resistance, excellent water resistance, excellent alcohol resistance, excellent salt fog resistance, simple construction, and stable storage; and a prepared paint film has the hardness reaching 2 H or more, has excellent anti-scratch wear-resisting properties, and is widely used for surface protection and decoration of wine bottles, perfume bottles, glass products, lamps, woodware, metals, plastics and other products.

The invention discloses water borne epoxy intermediate paint. The intermediate paint comprises a component A and a component B, and the weight ratio of the component A to the component B is between 0.5 and 10, wherein the component A comprises the following ingredients in percentage by weight: 23-55 percent of water borne epoxy resin curing agent, 0.1-1 percent of wetting dispersant, 1-5 percent of antirust pigment, 5-10 percent of tinting pigment, 1-5 percent of filler, 1-2 percent of film forming auxiliary, 0.1-1 percent of defoaming agent, 0.1-0.5 percent of flatting agent, 0.01-0.5 percent of antiseptic, 0.5-2 percent of rust inhibitor, 0.01-0.1 percent of rheology modifier and 36.09-49.9 percent of softened water; and the component B comprises the following ingredients in percentage by weight: 10-30 percent of self-emulsified water borne epoxy resin and 70-90 percent of softened water. By compounding a self-emulsified epoxy resin emulsion and a self-emulsified water borne epoxy resin curing agent, the mechanical performance and the salt mist resistance of the paint can be improved, and the environmentally friendly requirement can be fulfilled.

The invention provides an anti-corrosion conductive coating and a preparation method thereof. The coating comprises: graphene, carbon nanotube, dispersant, epoxy resin, curing agent and auxiliary agent. Graphene and carbon nanotubes are uniformly dispersed in organic solvent under the action of dispersant, and added to epoxy resin to prepare graphene / epoxy coating. The process is simple and the comprehensive performance is excellent.

The invention discloses a rust-proof soft film composition and a preparation method thereof, belonging to the technical field of metal protection and particularly relating to a metal rust preventing technology. The rust-proof soft film composition disclosed by the invention comprises the following components in a formula in percentage by mass: 40-70 of film forming agent, 2-10 of corrosion and rust inhibitor, 1-5 of vapor phase inhibitor, 4-10 of microcapsule antirust agent, 0-10 of pigment, 1-3 of rheological agent, 0.2-1.0 of defoaming agent and 10-25 of solvent. The rust-proof soft film composition disclosed by the invention has an excellent rust-proof effect and an excellent self-repairing function; rust-proof gas volatilized by the film can meet the rust-proof requirements of inner and outer surfaces of workpieces with complex structures such as inner metal cavities, inner walls of pipelines, grooves and the like; when the rust-proof soft film is destroyed in a use process, a rust-proof core with an excellent self-repairing function of the microcapsule antirust agent can be automatically repaired, so that the condition that the rust-proof film is invalid in advance because of being destroyed is avoided, and the protection time of a protective film is prolonged; and the rust-proof soft film composition can comprehensively meet the requirement for metal rust-proof protection under severe environments such as outdoor sun and rain, sand-dust and the like.

The invention discloses graphene-doped waterborne epoxy zinc-containing anti-corrosion primer and a preparation method thereof. The primer is prepared from a component A and a component B; the component A is prepared from epoxy curing agents, titanium dioxide, waterborne aluminum paste, zinc powder, graphene, nano barium sulfate, zinc phosphate, iron titanium powder, dispersing agents, defoaming agents, foam inhibitors, cosolvent, wetting agents, neutralizers, hydrated magnesium silicate, organic bentonite, flush and corrosion preventing agents, chlorinated polypropylene and deionized water; waterborne epoxy resin emulsion is adopted as the B component. According to the preparation method of the primer, the component A and the component B are firstly prepared separately and then mixed in the using process. The graphene-doped waterborne epoxy zinc-containing anti-corrosion primer has the good drying performance, adhesive force, salt spray resistance and chemical resistance and can be applied to corrosion prevention of steel structures of oil pipelines, oil storage tanks, oil equipment, oil machinery, oil factories and the like.

The invention relates to a hydroxyl acrylic emulsion containing phosphate ester groups, which is an emulsion formed by neutralization, salifying, watering and emulsifying of an acrylate copolymer which is formed by copolymerization of acrylate monomers in the presence of an initiator and a hydrophilic solvent. The percentage of the acrylate monomers in the gross weight portion of monomers is as follows: acrylate monomers with hydroxyl account for 5 to 20 percent; acrylate monomers without hydroxyl account for 60 to 90 percent; and acrylate monomers containing the phosphate ester groups account for 1 to 20 percent. The amount of the initiator and the amount of a neutralizing agent account for 0.2 to 1 percent and 1 to 5 percent of the gross weight portion of the acrylate monomers respectively; the ratio of the amount of the hydrophilic solvent to the total amount of the acrylate monomers is 1.0 to 1.5; and the amount of deionized water is at least 80 percent of the amount of the hydrophilic solvent. The emulsion can be taken as aqueous bicomponent anticorrosive coating, and both the anticorrosive property and the adhesive force of the coating are superior to those of coating prepared by the prior acrylic emulsion.

The invention provides a method of preparing fluorinated polyurethane paint. The method is characterized by comprising the following steps: a step of preparing a component A, namely adding 15-60 parts of fluorinated polyether polyol and 0.01-0.03 part of dibutyltin dilaurate into a three-necked flask with a stirring rod in sequence, and stirring for 30 minutes to obtain the component A; a step of preparing a component B, namely adding 10-40 parts of 4,4-diphenyl methane diisocyanate and 0-30 parts of collaborative anticorrosive filler into 20-60 parts of a solvent system to stir and dissolve to obtain the component B; and a step of preparing fluorinated polyurethane anticorrosive paint, namely adding the component B into the three-necked flask filled with the component A, stirring for 8-10 minutes, grinding the mixed materials in the three-necked flask until fineness is 40-50 mu m after uniformly stirring, coating a metal sheet with the grinded mixed materials and curing for 24 hours to obtain the fluorinated polyurethane anticorrosive paint.

The invention provides a water-borne graphene composite paint. The water-borne graphene composite paint is composed of water-based resin, graphene, an aniline oligomer derivative, water and a paint additive, wherein the graphene accounts for 0.01 to 4% of the mass of the water-borne graphene composite paint and is uniformly dispersed in the water-based resin by forming phi-phi bonds with the aniline oligomer derivative. The invention also provides a preparation method for the water-borne graphene composite paint and a water-borne graphene composite coating.

The invention discloses a high solid coating for a container and a preparation method of the high solid coating, and relates to the field of the coating chemical industry. The high solid coating comprises a host and a curing agent; the mass ratio of the host to the curing agent is 4:1; the host comprises the following components by mass: 40-60 percent of high solid low viscosity hydroxy acrylic resin, 1-5 percent of a rheological agent, 1-10 percent of a functional pigment, 20-25 percent of a sunproof pigment, 0-1 percent of an antifoaming agent, 1-3 percent of a wetting dispersant, 0.1-0.5 percent of a flatting agent I, 0.1-0.5 percent of a flatting agent II, 1-10 percent of a reactive diluent, 0.1-5 percent of a drier, and 1-5 percent of a mixed solvent. The coating has the advantages that the content of volatile organic compounds is low, the one-step film formation thickness is 150 microns, the surface dry purpose is achieved within 15 min, the film abrasion resistance is low to 40 mg, the coating is saved, the emission and coating time of volatile organic compounds are reduced, and the corrosion resistance, the abrasion resistance and the weathering resistance meet the requirement for anticorrosion outside the container, and adapt to the rapid production requirement of the container production line.

The invention relates to the technical field of materials, and particularly discloses modified white graphene composite anticorrosive paint. The modified white graphene composite anticorrosive paint is prepared from, by weight, 18-68.5 parts of matrix resin, 5-20 parts of pigment and filler, 0.4-1.5 parts of dispersant, 0.1-0.5 part of defoamer, 20-30 parts of solvent, 1-20 parts of white grapheme and 0-10 parts of curing agent. The modified white graphene composite anticorrosive paint has excellent corrosion resistance and high strength and salt spray resistance, the thickness of a coating can be further reduced by means of modified white grapheme with atomic-level thickness, adhesive force on a base material is increased, and the abrasive resistance of the paint is improved. The corrosion resistance of the paint is higher than that of existing heavy anti-corrosion paint, and due to its real environment protection function, the paint can be widely applied to the fields including ocean engineering, communication and transportation, major industrial equipment and municipal facilities for coating protection.

The invention provides a kind of water industrial paint which is single group multi-room cross linking. The paint uses water filming polymer as the base material, the active paint filler and the film surface modifying agent is used as the modification material, and adds in other color fillers, dispersant, antifoam agent, thickener, rot-proof and sterilization agent, filming assistant and water. The paint can form the paint film through cross linking in room temperature, it needn't heating and solidification, it has excellent film rigidity and dirt resisting performance; there can acquire three layers of film only by on time painting; the rot-proof performance is great; the construction of the product is convenient, the applied range is spread, it can upgrades the efficiency of working, saves the cost, reduces the consumption, the product has a good prospect.

The invention relates to a chromium-free waterborne corrosion resistant coating for the surface of metal and a preparation method thereof. The chromium-free waterborne corrosion resistant coating comprises the following components in percentage by mass: 15-33 flaked zinc powder, 2.5-8 flaked aluminium powder, 13.5-24 solvent, 0.2-2.5 assistant, 14-22 first silane coupling agent, 2-6 second silane coupling agent, 0.05-1.5 nano SiO2,0.03-1.2 nano TiO2, 0.02-1.5 nano ZrO2, 0.3-1 silver salt, 0.1-0.3 polyaniline, 0-0.6 tackifier and the balance of H2O, wherein the first silane coupling agent is a bi-[Gamma-(triethoxysilane) propyl] tetrasulfide; and the second silane coupling agent is a Gamma-aminopropyltriethoxysilane or Gamma-methacryloxypropyl trimethoxysilane. The coating contains no chromium and has corrosion resistance according with an international newest metal surface corrosion prevention technology.

The invention discloses ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying and a preparation method thereof.The ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying is prepared from, by weight, 5-20 parts of urethane acrylate, 10-20 parts of epoxy acrylate, 0-5 parts of pure acrylate, 5-10 parts of polyesteracrylate, 30-40 parts of trimethylolpropane triacrylate, 10-20 parts of low-functionality active diluted monomers, 2-5 parts of photoinitiator, 0.05-0.1 part of a flatting agent, 0.05-0.5 part of adhesion promoter, 0.01-0.5 part of a conductive agent and 3-5 parts of electrostatic thinner.The ultraviolet curing vacuum coating metal primer prepared through the method can be used for electrostatic spraying, has the advantages of being good in coating performance, good in adhesion, high in salt fog resistance, high in production efficiency, high in paint utilization rate and the like, and has wide market prospects.

The invention provides an expanded type aqueous facing fireproof coating, which comprises the following components by weight: 10% to 30% of styrene-acrylic emulsion, 20% to 30% of ammonium polyphosphate, 10% to 20% of pentaerythritol, 15% to 25% of melamine, 5% to 10% of titanium dioxide, 2% to 8% of aluminum hydroxide, 1% to 5% of zinc borate, 1% to 2% of chlorinated paraffin, 0.05% to 0.2% of antiseptic, 0.1% to 0.2% of dispersing agent, 0.3% to 1.0% of film-forming auxiliary, 0.1% to 0.5% of cellulose ether, 0.5% to 2.0% of hydroxy silicone oil and the balance of water. The expanded type aqueous facing fireproof coating, provided by the invention, has the advantages of excellent water resistance and salt mist resistance, excellent adhesion and flexibility, good storage stability, no layering, no fineness change and no packing phenomenon, excellent waterproof resistance, smooth and fine coating film, no toxicity and pollution, and environment-friendliness.

The invention discloses a high-performance silicone-acrylate-modified water-based epoxy emulsion and a production method thereof, relating to the technical field of production of coatings used in the chemical industry field. The emulsion is prepared with a core-shell mechanism process; in a core layer, a grafted polymer consists of low molecular bisphenol A epoxy resin, epoxy group siloxane and acrylic ester; a shell body consists of hydroxyl-containing siloxane and acrylic ester; and the shell body and the core layer are subjected to interpenetration graft polymerization. In the invention, epoxy resin is modified with an organic silicon acrylic acid monomer, so that a dense crosslinked netlike structure with a special interpenetration network and excellent enclosed shielding performance is obtained. Multiple series of anti-corrosive paints can be prepared on the basis of the high-performance silicone-acrylate-modified water-based epoxy emulsion provided by the invention by taking mixed modified amine as a curing agent. The emulsion has the advantages of easy and convenient production process, saving in energy, environmental friendliness, easiness for coating construction, low sensitivity to water vapor and temperature, extremely high substrate adhesion, high corrosion resistance, high chemical stability and wide formula adjusting range.

The invention relates to a water-borne acrylic polyurethane primer-topcoat corrosion-resistant decorative coating containing double components. The water-borne acrylic polyurethane primer-topcoat corrosion-resistant decorative coating comprises a component A and a component B, wherein the component A comprises ingredients in parts by weight as follows: 35-55 parts of a water-borne hydroxyl acrylic acid emulsion, 10-20 parts of anti-rust pigments, 5-20 parts of coloring pigments, 5-15 parts of filler, 0.3-1.0 part of a dispersing agent, 0.2-1.0 part of a water-borne anti-settling agent, 0.3-0.6 parts of a defoaming agent, 0.3-0.6 parts of a foam breaker, 3-5 parts of a cosolvent, 4-10 parts of a rheological thickener, 0.2-0.5 parts of a substrate wetting agent, 0.3-5.0 parts of water-borne wax liquor, 0.3-0.6 parts of a flash rust preventing agent and 10-20 parts of deionized water; the component B comprises 10-15 parts by weight of a water-borne polyurethane curing agent. A preparation method comprises steps as follows: the raw materials are sequentially added to a container, are uniformly stirred at medium and high speeds and then are dispersed for 10 min respectively, a mixture is ground, the deionized water is added for uniform stirring, and the component A is prepared. The water-borne acrylic polyurethane primer-topcoat corrosion-resistant decorative coating containing the double components has the benefits of excellent outdoor weather fastness, adhesive force, water resistance, salt water resistance and salt fog resistance.

The invention relates to anti-rust oil for steel corrosion protection and a preparation method of anti-rust oil, in particular to solvent type thixotropic anti-rust oil and a preparation method thereof and belongs to the field of metal protection. The solvent type thixotropic anti-rust oil is prepared from components including, by weight, 5-30% of an anti-rust agent, 0.1-5% of a thixotropic agent, 0.1-5% of a film-forming agent, 0.1-3% of a coalescing agent, 5-20% of the base oil and the balance of dearomatization solvent oil. The thixotropic agent is combined with oil-soluble polyaniline, so that good salt fog resistance of the anti-rust oil is achieved, and time for salt fog can reach more than 400 hours.

The invention relates to a middle coating of the high-performance rustproof paint such as epoxy zinc-rich primer, in particular to a water-based epoxy micaceous iron oxide rustproof paint and a preparation method thereof. The rustproof paint comprises a component A and a component B, wherein the component A comprises 25-50wt% of water-based epoxy emulsion, 1.2-2.0wt% of auxiliary agent, 1.5-5wt% of cosolvent, 40-60wt% of packing and 7-16wt% of softened water; and the component B comprises 85-95wt% of water-based epoxy curing agent and 5-15wt% of softened water; and the weight ratio of the component A to the component B is 100:10. The rustproof paint of the invention can overcome the shortages of the existing rustproof paint.

The invention provides water-based phenolic aldehyde epoxy graphene anticorrosion primer and a preparation method thereof. The primer is prepared from a component A and a component B, and the component A comprises water-based epoxy curing agents, titanium dioxide, water-based aluminum paste, carbon black, graphene, nano-barium sulfate, water-based zinc phosphate, iron-titanium powder, dispersing agents, antifoaming agents, foam inhibitors, cosolvent, wetting agents, neutralizer, water-based polyamide wax liquor, flash-rust-proof agents and deionized water; the component B adopts water-based phenolic aldehyde epoxy resin emulsion. The preparation method comprises the steps that the component A is prepared first, and in the using process, the component A and the component B are mixed. According to the anticorrosion primer, due to the fact that the graphene is introduced, the properties of water resistance, acid resistance, alkali resistance, salt tolerance, acetone resistance and salt spray resistance of a coating are greatly promoted; it is indicated that after graphene oxide is introduced into the water-based phenolic aldehyde epoxy graphene anticorrosion primer, the protective property to the coating can be promoted, and the requirements of markets and industries are completely met.