CN111793406A - Corrosion-resistant high-molecular nano hydrophilic coating and preparation method thereof - Google Patents
Corrosion-resistant high-molecular nano hydrophilic coating and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a corrosion-resistant polymer nano hydrophilic coating and a preparation method thereof, wherein the corrosion-resistant polymer nano hydrophilic coating is prepared from the following components in parts by weight: 10-30 parts of silicon dioxide, 5-15 parts of oxalic acid solution, 20-40 parts of distilled water, 10-30 parts of acrylic resin emulsion, 5-15 parts of methylated melamine, 5-10 parts of flatting agent, 2-10 parts of wetting agent, 5-10 parts of defoaming agent, 10-20 parts of epoxy resin, 5-15 parts of silane coupling agent, 5-10 parts of antirust agent, 10-20 parts of triethylamine, 5-10 parts of initiator and 10-20 parts of ethanol The paint has high acid and alkali resistance, high stain resistance and high salt spray resistance, improves the protection and corrosion resistance of the paint, and can better play a good protection role on the surface of an object.
Description
Technical Field
The invention relates to a corrosion-resistant high-molecular nano hydrophilic coating, in particular to a corrosion-resistant high-molecular nano hydrophilic coating and a preparation method thereof.
Background
The nano hydrophilic coating is developed by the joint cooperation of the combined fertilizer and flying chemistry science and technology limited company and the universities such as the university of Chinese science and technology, the combined fertilizer industry university and the like, and the technology of the nano hydrophilic film, the preparation process of the hydrophilic nano coating with low cost and high quality and the coating technology are obtained. According to the process technology, the manufactured nano hydrophilic coating is a composite nano coating containing a plurality of nano components, has a plurality of nano effects, and contains nano substances with primary particle size of 7-80 nm and specific surface area generally larger than 100m 2/g. The material has excellent properties, so the material is widely applied to the industrial fields of rubber, plastics, steel, automobiles, solar energy and the like.
The nano-silica in the macromolecular nano-hydrophilic coating prepared by the conventional formula is unevenly dispersed, the protection capability of the coating is affected by the uneven silica in the coating layer after the coating is coated, and meanwhile, the macromolecular nano-hydrophilic coating prepared by the conventional formula has low surface hardness, poor acid and alkali resistance, high stain resistance and high salt mist resistance, and cannot well protect objects below the coating layer.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a corrosion-resistant high-molecular nano hydrophilic coating and a preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the corrosion-resistant high-molecular nano hydrophilic coating and the preparation method thereof comprise the following components in parts by weight: 10-30 parts of silicon dioxide, 5-15 parts of oxalic acid solution, 20-40 parts of distilled water, 10-30 parts of acrylic resin emulsion, 5-15 parts of methylated melamine, 5-10 parts of flatting agent, 2-10 parts of wetting agent, 5-10 parts of defoaming agent, 10-20 parts of epoxy resin, 5-15 parts of silane coupling agent, 5-10 parts of antirust agent, 10-20 parts of triethylamine, 5-10 parts of initiator and 10-20 parts of ethanol, and the method comprises the following steps:
s1, selecting raw materials: selecting 10 parts of silicon dioxide, 5 parts of oxalic acid solution, 20 parts of distilled water, 10 parts of acrylic resin emulsion, 5 parts of methylated melamine, 5 parts of flatting agent, 2 parts of wetting agent, 5 parts of defoaming agent, 10 parts of epoxy resin, 5 parts of silane coupling agent, 5 parts of antirust agent, 10 parts of triethylamine, 5 parts of initiator and 10 parts of ethanol;
s2, blending raw materials: putting 10 parts of acrylic resin emulsion and 5 parts of initiator into a reaction kettle, heating the reaction kettle to 50 ℃ and stirring for 45min at the rotating speed of 800r/min, then putting 10 parts of triethylamine into the reaction kettle and continuously stirring, then lowering the temperature in the reaction kettle to 40 ℃ and stopping stirring for heat preservation, putting 5 parts of oxalic acid solution and 20 parts of distilled water into the stirring kettle, stirring for 15min at the rotating speed of 500r/min, then putting 10 parts of ethanol, 10 parts of silicon dioxide and 5 parts of silane coupling agent into the stirring kettle and stirring for 10min at the rotating speed of 1000r/min, then introducing suspension formed in the stirring kettle into the reaction kettle through a pipeline, starting the stirring and heating functions of the reaction kettle, heating to 50 ℃ and stirring for 3h at the rotating speed of 1500r/min, and then sequentially putting 5 parts of methylated melamine, 5 parts of flatting agent, 2 parts of wetting agent, 5 parts of defoaming agent, 5 parts of methyl-etherified melamine, 10 parts of epoxy resin and 5 parts of antirust agent, heating the reaction kettle to 60 ℃, stirring at a rotating speed of 1600r/min for 1h, and closing the heating and stirring functions of the reaction kettle after the stirring of the reaction kettle is finished so as to naturally cool the reaction kettle;
s3, preparing the coating: introducing the solution in the reaction kettle into a high-speed dispersion machine through a pipeline for dispersing for 15min, pouring the dispersed raw materials into a ball mill for ball milling for 4.5h to obtain a coating;
s4, paint storage: and (5) putting the paint ball-milled by the ball mill into a paint bucket, and sealing and storing.
Preferably, the silica raw material is nano silica.
Preferably, the acrylic resin emulsion is a water-based acrylic resin emulsion.
Preferably, the pH value of the solution after the oxalic acid solution is mixed with distilled water is 3-4.5.
The invention has the technical effects and advantages that:
the process is mature, the silicon dioxide is modified to obtain the silicon dioxide with better dispersibility, so that the silicon dioxide in a coating layer is uniformly dispersed when the coating is coated, and the modified silicon dioxide, the specially-made acrylic resin emulsion and the epoxy resin are mixed to ensure that the coating has high hardness, high acid and alkali resistance, high pollution resistance and high salt spray resistance, the protection property and the corrosion resistance of the coating are improved, and the coating can better play a good protection function on the surface of an object.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The corrosion-resistant high-molecular nano hydrophilic coating and the preparation method thereof comprise the following components in parts by weight: 10-30 parts of silicon dioxide, 5-15 parts of oxalic acid solution, 20-40 parts of distilled water, 10-30 parts of acrylic resin emulsion, 5-15 parts of methylated melamine, 5-10 parts of flatting agent, 2-10 parts of wetting agent, 5-10 parts of defoaming agent, 10-20 parts of epoxy resin, 5-15 parts of silane coupling agent, 5-10 parts of antirust agent, 10-20 parts of triethylamine, 5-10 parts of initiator and 10-20 parts of ethanol, and the method comprises the following steps:
s1, selecting raw materials: selecting 10 parts of silicon dioxide, 5 parts of oxalic acid solution, 20 parts of distilled water, 10 parts of acrylic resin emulsion, 5 parts of methylated melamine, 5 parts of flatting agent, 2 parts of wetting agent, 5 parts of defoaming agent, 10 parts of epoxy resin, 5 parts of silane coupling agent, 5 parts of antirust agent, 10 parts of triethylamine, 5 parts of initiator and 10 parts of ethanol;
s2, blending raw materials: putting 10 parts of acrylic resin emulsion and 5 parts of initiator into a reaction kettle, heating the reaction kettle to 50 ℃ and stirring for 45min at the rotating speed of 800r/min, then putting 10 parts of triethylamine into the reaction kettle and continuously stirring, then lowering the temperature in the reaction kettle to 40 ℃ and stopping stirring for heat preservation, putting 5 parts of oxalic acid solution and 20 parts of distilled water into the stirring kettle, stirring for 15min at the rotating speed of 500r/min, then putting 10 parts of ethanol, 10 parts of silicon dioxide and 5 parts of silane coupling agent into the stirring kettle and stirring for 10min at the rotating speed of 1000r/min, then introducing suspension formed in the stirring kettle into the reaction kettle through a pipeline, starting the stirring and heating functions of the reaction kettle, heating to 50 ℃ and stirring for 3h at the rotating speed of 1500r/min, and then sequentially putting 5 parts of methylated melamine, 5 parts of flatting agent, 2 parts of wetting agent, 5 parts of defoaming agent, 5 parts of methyl-etherified melamine, 10 parts of epoxy resin and 5 parts of antirust agent, heating the reaction kettle to 60 ℃, stirring at a rotating speed of 1600r/min for 1h, and closing the heating and stirring functions of the reaction kettle after the stirring of the reaction kettle is finished so as to naturally cool the reaction kettle;
s3, preparing the coating: introducing the solution in the reaction kettle into a high-speed dispersion machine through a pipeline for dispersing for 15min, pouring the dispersed raw materials into a ball mill for ball milling for 4.5h to obtain a coating;
s4, paint storage: and (5) putting the paint ball-milled by the ball mill into a paint bucket, and sealing and storing.
Preferably, the silica raw material is nano silica.
Preferably, the acrylic resin emulsion is a water-based acrylic resin emulsion.
Preferably, the pH value of the solution after the oxalic acid solution is mixed with distilled water is 3-4.5.
Example 2
The corrosion-resistant high-molecular nano hydrophilic coating and the preparation method thereof comprise the following components in parts by weight: 10-30 parts of silicon dioxide, 5-15 parts of oxalic acid solution, 20-40 parts of distilled water, 10-30 parts of acrylic resin emulsion, 5-15 parts of methylated melamine, 5-10 parts of flatting agent, 2-10 parts of wetting agent, 5-10 parts of defoaming agent, 10-20 parts of epoxy resin, 5-15 parts of silane coupling agent, 5-10 parts of antirust agent, 10-20 parts of triethylamine, 5-10 parts of initiator and 10-20 parts of ethanol, and the method comprises the following steps:
s1, selecting raw materials: selecting 12 parts of silicon dioxide, 6 parts of oxalic acid solution, 22 parts of distilled water, 12 parts of acrylic resin emulsion, 6 parts of methylated melamine, 6 parts of flatting agent, 3 parts of wetting agent, 6 parts of defoaming agent, 12 parts of epoxy resin, 6 parts of silane coupling agent, 6 parts of antirust agent, 12 parts of triethylamine, 6 parts of initiator and 12 parts of ethanol;
s2, blending raw materials: putting 12 parts of acrylic resin emulsion and 6 parts of initiator into a reaction kettle, heating the reaction kettle to 50 ℃ and stirring for 45min at the rotating speed of 800r/min, then putting 12 parts of triethylamine into the reaction kettle and continuously stirring, then lowering the temperature in the reaction kettle to 40 ℃ and stopping stirring for heat preservation, putting 6 parts of oxalic acid solution and 22 parts of distilled water into the stirring kettle, stirring for 15min at the rotating speed of 500r/min, then putting 12 parts of ethanol, 12 parts of silicon dioxide and 6 parts of silane coupling agent into the stirring kettle and stirring for 10min at the rotating speed of 1000r/min, then introducing suspension formed in the stirring kettle into the reaction kettle through a pipeline, starting the stirring and heating functions of the reaction kettle, heating to 50 ℃ and stirring for 3h at the rotating speed of 1500r/min, and then sequentially putting 6 parts of methylated melamine, 6 parts of flatting agent, 3 parts of wetting agent, 6 parts of defoaming agent, 6 parts of methyl-etherified melamine, 6 parts of, Heating a reaction kettle to 60 ℃ and stirring at a rotating speed of 1600r/min for 1h, and stopping the heating and stirring functions of the reaction kettle after the stirring of the reaction kettle is finished so as to naturally cool the reaction kettle;
s3, preparing the coating: introducing the solution in the reaction kettle into a high-speed dispersion machine through a pipeline for dispersing for 15min, pouring the dispersed raw materials into a ball mill for ball milling for 4.5h to obtain a coating;
s4, paint storage: and (5) putting the paint ball-milled by the ball mill into a paint bucket, and sealing and storing.
Preferably, the silica raw material is nano silica.
Preferably, the acrylic resin emulsion is a water-based acrylic resin emulsion.
Preferably, the pH value of the solution after the oxalic acid solution is mixed with distilled water is 3-4.5.
Example 3
The corrosion-resistant high-molecular nano hydrophilic coating and the preparation method thereof comprise the following components in parts by weight: 10-30 parts of silicon dioxide, 5-15 parts of oxalic acid solution, 20-40 parts of distilled water, 10-30 parts of acrylic resin emulsion, 5-15 parts of methylated melamine, 5-10 parts of flatting agent, 2-10 parts of wetting agent, 5-10 parts of defoaming agent, 10-20 parts of epoxy resin, 5-15 parts of silane coupling agent, 5-10 parts of antirust agent, 10-20 parts of triethylamine, 5-10 parts of initiator and 10-20 parts of ethanol, and the method comprises the following steps:
s1, selecting raw materials: selecting 30 parts of silicon dioxide, 15 parts of oxalic acid solution, 40 parts of distilled water, 30 parts of acrylic resin emulsion, 15 parts of methylated melamine, 10 parts of flatting agent, 10 parts of wetting agent, 10 parts of defoaming agent, 20 parts of epoxy resin, 15 parts of silane coupling agent, 10 parts of antirust agent, 20 parts of triethylamine, 10 parts of initiator and 20 parts of ethanol;
s2, blending raw materials: adding 30 parts of acrylic resin emulsion and 10 parts of initiator into a reaction kettle, heating the reaction kettle to 50 ℃, stirring for 45min at the rotating speed of 800r/min, adding 20 parts of triethylamine into the reaction kettle, continuously stirring, adjusting the temperature in the reaction kettle to 40 ℃, stopping stirring, keeping the temperature, adding 15 parts of oxalic acid solution and 40 parts of distilled water into the stirring kettle, stirring for 15min at the rotating speed of 500r/min, adding 20 parts of ethanol, 30 parts of silicon dioxide and 15 parts of silane coupling agent into the stirring kettle, stirring for 10min at the rotating speed of 1000r/min, introducing suspension formed in the stirring kettle into the reaction kettle through a pipeline, starting the stirring and heating functions of the reaction kettle, heating to 50 ℃, stirring for 3h at the rotating speed of 1500r/min, and sequentially adding 15 parts of methylated melamine, 10 parts of flatting agent, 10 parts of wetting agent and 10 parts of defoaming agent, 20 parts of epoxy resin and 10 parts of antirust agent, heating the reaction kettle to 60 ℃, stirring at a rotating speed of 1600r/min for 1h, and closing the heating and stirring functions of the reaction kettle after the stirring of the reaction kettle is finished so as to naturally cool the reaction kettle;
s3, preparing the coating: introducing the solution in the reaction kettle into a high-speed dispersion machine through a pipeline for dispersing for 15min, pouring the dispersed raw materials into a ball mill for ball milling for 4.5h to obtain a coating;
s4, paint storage: and (5) putting the paint ball-milled by the ball mill into a paint bucket, and sealing and storing.
Preferably, the silica raw material is nano silica.
Preferably, the acrylic resin emulsion is a water-based acrylic resin emulsion.
Preferably, the pH value of the solution after the oxalic acid solution is mixed with distilled water is 3-4.5.
In summary, the following steps: compared with other treatment processes, the corrosion-resistant high-molecular nano hydrophilic coating and the preparation method thereof provided by the invention have the following advantages: the modified silicon dioxide can be uniformly dispersed in the coating, so that the silicon dioxide in the coating layer is uniformly dispersed when the coating is coated, and the modified silicon dioxide, the special acrylic resin emulsion and the epoxy resin are mixed to ensure that the coating has high hardness, high acid and alkali resistance, high pollution resistance and high salt spray resistance, the protection property and corrosion resistance of the coating are improved, and a good protection function can be better played on the surface of an object.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. A corrosion-resistant polymer nano hydrophilic coating and a preparation method thereof are characterized in that: the paint is prepared from the following components in parts by weight: 10-30 parts of silicon dioxide, 5-15 parts of oxalic acid solution, 20-40 parts of distilled water, 10-30 parts of acrylic resin emulsion, 5-15 parts of methylated melamine, 5-10 parts of flatting agent, 2-10 parts of wetting agent, 5-10 parts of defoaming agent, 10-20 parts of epoxy resin, 5-15 parts of silane coupling agent, 5-10 parts of antirust agent, 10-20 parts of triethylamine, 5-10 parts of initiator and 10-20 parts of ethanol, and the method comprises the following steps:
s1, selecting raw materials: selecting 10 parts of silicon dioxide, 5 parts of oxalic acid solution, 20 parts of distilled water, 10 parts of acrylic resin emulsion, 5 parts of methylated melamine, 5 parts of flatting agent, 2 parts of wetting agent, 5 parts of defoaming agent, 10 parts of epoxy resin, 5 parts of silane coupling agent, 5 parts of antirust agent, 10 parts of triethylamine, 5 parts of initiator and 10 parts of ethanol;
s2, blending raw materials: putting 10 parts of acrylic resin emulsion and 5 parts of initiator into a reaction kettle, heating the reaction kettle to 50 ℃ and stirring for 45min at the rotating speed of 800r/min, then putting 10 parts of triethylamine into the reaction kettle and continuously stirring, then lowering the temperature in the reaction kettle to 40 ℃ and stopping stirring for heat preservation, putting 5 parts of oxalic acid solution and 20 parts of distilled water into the stirring kettle, stirring for 15min at the rotating speed of 500r/min, then putting 10 parts of ethanol, 10 parts of silicon dioxide and 5 parts of silane coupling agent into the stirring kettle and stirring for 10min at the rotating speed of 1000r/min, then introducing suspension formed in the stirring kettle into the reaction kettle through a pipeline, starting the stirring and heating functions of the reaction kettle, heating to 50 ℃ and stirring for 3h at the rotating speed of 1500r/min, and then sequentially putting 5 parts of methylated melamine, 5 parts of flatting agent, 2 parts of wetting agent, 5 parts of defoaming agent, and the like, 10 parts of epoxy resin and 5 parts of antirust agent, heating the reaction kettle to 60 ℃, stirring at a rotating speed of 1600r/min for 1h, and closing the heating and stirring functions of the reaction kettle after the stirring of the reaction kettle is finished so as to naturally cool the reaction kettle;
s3, preparing the coating: introducing the solution in the reaction kettle into a high-speed dispersion machine through a pipeline for dispersing for 15min, pouring the dispersed raw materials into a ball mill for ball milling for 4.5h to obtain a coating;
s4, paint storage: and (5) putting the paint ball-milled by the ball mill into a paint bucket, and sealing and storing.
2. The corrosion-resistant polymer nano hydrophilic coating and the preparation method thereof according to claim 1, characterized in that: the silicon dioxide raw material is nano silicon dioxide.
3. The corrosion-resistant polymer nano hydrophilic coating and the preparation method thereof according to claim 1, characterized in that: the acrylic resin emulsion is water-based acrylic resin emulsion.
4. The corrosion-resistant polymer nano hydrophilic coating and the preparation method thereof according to claim 1, characterized in that: the pH value of the solution after the oxalic acid solution is mixed with distilled water is 3-4.5.
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Cited By (1)
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2020
- 2020-08-03 CN CN202010764448.6A patent/CN111793406A/en active Pending
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| JP2006036979A (en) * | 2004-07-28 | 2006-02-09 | Toyo Ink Mfg Co Ltd | Aqueous coating composition and can for alcoholic drink |
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| CN105482585A (en) * | 2015-12-25 | 2016-04-13 | 重庆乐乎科技有限公司 | Preparation method of nano silicon dioxide-acrylic resin composite coating |
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| CN115521198A (en) * | 2022-09-16 | 2022-12-27 | 宁波王龙科技股份有限公司 | Diluted acid hydrolysis process |
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Application publication date: 20201020 |