CN112175462A - Conductive hydrophobic and oleophobic coating, preparation method thereof and cleaning-free oil fume purifier - Google Patents

Conductive hydrophobic and oleophobic coating, preparation method thereof and cleaning-free oil fume purifier Download PDF

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Publication number
CN112175462A
CN112175462A CN202010860605.3A CN202010860605A CN112175462A CN 112175462 A CN112175462 A CN 112175462A CN 202010860605 A CN202010860605 A CN 202010860605A CN 112175462 A CN112175462 A CN 112175462A
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conductive
water
coating
nano
silicate
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苏志荣
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Foshan Chuangyan Environmental Protection Technology Co ltd
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Foshan Chuangyan Environmental Protection Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
    • C09D133/04Homopolymers or copolymers of esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1606Antifouling paints; Underwater paints characterised by the anti-fouling agent
    • C09D5/1637Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1687Use of special additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24Electrically-conducting paints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2244Oxides; Hydroxides of metals of zirconium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Abstract

The invention relates to a conductive hydrophobic and oleophobic coating, a preparation method thereof and a cleaning-free oil fume purifier, aiming at providing a conductive hydrophobic and oleophobic easy-cleaning coating which takes silicate as a film forming material and can be used for a non-loose surface to form a hydrophilic coating which is different from the hydrophilic coating prepared on the non-loose surface by the silicate. The technical scheme is as follows: the conductive amphiphobic coating comprises 10-20% of silicate, 40-80% of water-based resin, 10-30% of water-based anti-fouling additive, 5-20% of nano conductive material, 3-10% of nano wear-resistant filler, 0.5% of drier and 0.5-10% of common additive. The conductive hydrophobic and oleophobic coating is sprayed on the surface of the fins of the oil fume purifier, so that the surface of the oil fume purifier is not adhered with oil and scales, and the oil fume purifier is not required to be cleaned. The paint prepared by the invention has the functions of hydrophobic and oleophobic properties, easy cleaning and wear resistance, is convenient to construct, has economic cost and is suitable for commercial popularization.

Description

Conductive hydrophobic and oleophobic coating, preparation method thereof and cleaning-free oil fume purifier
Technical Field
The invention relates to a coating and a preparation process thereof, in particular to a conductive hydrophobic-oleophobic coating, a preparation method thereof and a cleaning-free oil fume purifier.
Background
At present, silicate materials are generally used for water prevention of stones and cement, and organic group modified silicon dioxide cross-linked structures formed after hydrolysis in air can provide excellent hydrophobicity, so that water can be prevented from penetrating through the surfaces of the stones or the cement to cause water vapor erosion damage in the stone period. For example, patent CN201610519033.6 discloses a waterproof coating for cement prepared from silicate, but its application is limited because it cannot be used on non-porous surfaces which are generally touchable. On the other hand, the ionic characteristic of the silicate can form a water-absorbing group to improve the hydrophilicity of the surfaces of the glass and the stainless steel, and the silicate can be used for preparing super-hydrophilic self-cleaning coatings. For example, patent CN201610568510.8 discloses a method for preparing a super-hydrophilic antifogging coating for glass surface, but the coating has no hydrophobic easy-to-clean property and no conductivity.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a conductive hydrophobic and oleophobic coating, a preparation method thereof and a cleaning-free oil fume purifier. The conductive hydrophobic and oleophobic coating aims to solve the technical problems that the existing coating cannot be simultaneously used on a common touchable non-loose surface, and meanwhile, the coating of the coating is not hydrophobic and easy to clean and is not conductive. The preparation method of the conductive hydrophobic and oleophobic easy-cleaning coating takes silicate as a film forming material to form the hydrophobic and oleophobic easy-cleaning coating which is different from a hydrophilic coating prepared by silicate on a non-loose surface, and simultaneously, the coating has conductivity and can be used in antistatic occasions and metal occasions needing conductivity.
In order to solve the above object, the invention provides a conductive amphiphobic coating, which consists of the following components: 10-20% of silicate, 40-80% of water-based resin, 10-30% of water-based anti-fouling auxiliary agent, 5-20% of nano conductive material, 3-10% of nano wear-resistant filler, 0.5% of drier and 0.5-10% of common auxiliary agent.
Further, the silicate is one or more of sodium methyl silicate, potassium methyl silicate, lithium methyl silicate, ammonium methyl silicate or methyl silicic acid.
Further, the aqueous resin is one or more of aqueous silica sol, aqueous acrylic resin, aqueous polyurethane resin, aqueous amino resin and aqueous organic silicon resin.
Further, the water-based anti-fouling additive is hydroxyl modified acrylic resin.
Further, the nano conductive material is one or more of GTO aqueous dispersion, ATO aqueous dispersion, ITO aqueous dispersion, nano silver aqueous dispersion, carbon nanotube aqueous dispersion, graphene aqueous dispersion and thiophene aqueous dispersion.
Furthermore, the nano wear-resistant filler is one or more of zirconia water dispersion, silicon nitride, silicon carbide, glass micropowder, quartz powder and nano alumina.
Further, the common auxiliary agents comprise a flatting agent, a defoaming agent, an anti-settling agent and a dispersing agent.
The invention provides a preparation method of a conductive amphiphobic coating, which comprises the steps of mixing silicate and water-based resin, sequentially adding hydroxyl modified acrylic resin, a nano conductive material, a nano filler, a common auxiliary agent and a drier into the mixture under the condition of stirring, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the conductive amphiphobic easy-to-clean coating.
The invention provides a cleaning-free oil fume purifier, wherein fins of the cleaning-free oil fume purifier are coated with the conductive hydrophobic and oleophobic coating.
Furthermore, the cleaning-free oil fume purifier is an electrostatic oil fume purifier.
The conductive hydrophobic and oleophobic coating is sprayed on the surface of the fins of the oil fume purifier, so that the surface of the oil fume purifier is not adhered with oil and scales, and the oil fume purifier does not need to be cleaned.
The invention has the beneficial effects that: the invention takes silicate originally used for loose stone and concrete as one of film forming materials to form hydrophobic and oleophobic easy-cleaning coating which is different from hydrophilic coating prepared by silicate on non-loose surface, the silicate has lower cost, can be used for non-loose surface and can be used for base material needing low-cost treatment, such as surface of kitchen electrical equipment; the coating has conductivity, so the coating can be used in antistatic occasions and metal occasions needing conductivity; and the coating is water-based, so that no volatile organic compound is released, and the coating can be used in occasions with higher environmental protection requirements. The conductive hydrophobic and oleophobic easy-cleaning coating is sprayed on the surface of a fin of an oil fume purifier, so that the surface of the oil fume purifier is not adhered with oil and scales, and the oil fume purifier is not required to be cleaned. The paint prepared by the invention has the functions of hydrophobicity, easy cleaning and wear resistance, is convenient to construct, has economic cost and is suitable for commercial popularization.
Drawings
Fig. 1 is a schematic structural diagram of the non-cleaning oil fume purifier of the invention.
The drawings are marked with: fin 1.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a conductive amphiphobic coating which comprises the following components: 10-20% of silicate, 40-80% of water-based resin, 10-30% of water-based anti-fouling auxiliary agent, 5-20% of nano conductive material, 3-10% of nano wear-resistant filler, 0.5% of drier and 0.5-10% of common auxiliary agent.
The silicate is one or more of sodium methyl silicate, potassium methyl silicate, lithium methyl silicate, ammonium methyl silicate or methyl silicic acid.
The water-based resin is one or more of water-based silica sol, water-based acrylic resin, water-based polyurethane resin, water-based amino resin and water-based organic silicon resin.
The water-based anti-fouling additive is hydroxyl modified acrylic resin.
The nano conductive material is one or more of GTO aqueous dispersion, ATO aqueous dispersion, ITO aqueous dispersion, nano silver aqueous dispersion, carbon nano tube aqueous dispersion, graphene aqueous dispersion and thiophene aqueous dispersion.
The nano wear-resistant filler is one or more of zirconia water dispersion, silicon nitride, silicon carbide, glass micropowder, quartz powder and nano alumina.
The common auxiliary agents comprise a flatting agent, a defoaming agent, an anti-settling agent and a dispersing agent.
The invention provides a preparation method of a conductive amphiphobic coating, which comprises the steps of mixing silicate and water-based resin, sequentially adding hydroxyl modified acrylic resin, a nano conductive material, a nano filler, a common auxiliary agent and a drier into the mixture under the condition of stirring, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the conductive amphiphobic easy-to-clean coating.
As shown in figure 1, the invention provides a cleaning-free oil fume purifier, and the cleaning-free oil fume purifier is coated with the conductive hydrophobic-oleophobic coating.
When the conductive hydrophobic and oleophobic coating is actually used, the conductive hydrophobic and oleophobic coating can be sprayed on the surface of a fin of an oil fume purifier, baked at 50 ℃ for 10min, and finally baked at 160 ℃ for 60min to form a coating.
The cleaning-free oil fume purifier is an electrostatic oil fume purifier.
Examples
The present invention will be described in detail below by way of examples, but the present invention is not limited thereto.
Example 1
An electrically conductive amphiphobic coating, comprising per 100g the following components: 10g of sodium methylsilicate, 50g of water-based acrylic resin, 5g of JZ1021 hydroxyl modified acrylic resin, 6g of ATO slurry, 2g of nano-zirconia, 0.7g of defoaming agent, 0.7g of flatting agent, 2g of anti-settling agent, 2g of dispersing agent, 0.5g of drier and the balance of solvent.
Mixing sodium methyl silicate and water-based acrylic resin, adding JZ1021 hydroxyl modified acrylic resin, ATO slurry, nano-zirconia, a defoaming agent, a leveling agent, an anti-settling agent, a dispersing agent and a drier into the mixture in sequence under the stirring condition, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the coating A1.
Spraying the prepared coating A1 on the surface of a fin of an oil fume purifier, baking at 50 ℃ for 10min, and finally baking at 160 ℃ for 60mi to form a coating A1.
Example 2
An electrically conductive amphiphobic coating, comprising per 100g the following components: 12g of sodium methylsilicate, 80g of water-based acrylic resin, 5g of JZ1021 hydroxyl modified acrylic resin, 6g of ATO slurry, 2g of nano-zirconia, 0.7g of defoaming agent, 0.7g of flatting agent, 2g of anti-settling agent, 2g of dispersing agent, 0.5g of drier and the balance of solvent.
Mixing sodium methyl silicate and water-based acrylic resin, adding JZ1021 hydroxyl modified acrylic resin, ATO slurry, nano-zirconia, a defoaming agent, a leveling agent, an anti-settling agent, a dispersing agent and a drier into the mixture in sequence under the stirring condition, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the coating A2.
Spraying the prepared coating A2 on the surface of a fin of an oil fume purifier, baking at 50 ℃ for 10min, and finally baking at 160 ℃ for 60mi to form a coating A2.
Example 3
An electrically conductive amphiphobic coating, comprising per 100g the following components: 7g of sodium methylsilicate, 70g of water-based acrylic resin, 5g of JZ1021 hydroxyl modified acrylic resin, 6g of ATO slurry, 2g of nano-zirconia, 0.7g of defoaming agent, 0.7g of flatting agent, 2g of anti-settling agent, 2g of dispersing agent, 0.5g of drier and the balance of solvent.
Mixing sodium methyl silicate and water-based acrylic resin, adding JZ1021 hydroxyl modified acrylic resin, ATO slurry, nano-zirconia, a defoaming agent, a leveling agent, an anti-settling agent, a dispersing agent and a drier into the mixture in sequence under the stirring condition, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the coating A3.
Spraying the prepared coating A3 on the surface of a fin of an oil fume purifier, baking at 50 ℃ for 10min, and finally baking at 160 ℃ for 60mi to form a coating A3.
Comparative example 1
An electrically conductive amphiphobic coating, comprising per 100g the following components: 50g of water-based acrylic resin, 5g of JZ1021 hydroxyl modified acrylic resin, 6g of ATO slurry, 2g of nano-zirconia, 0.7g of defoaming agent, 0.7g of flatting agent, 2g of anti-settling agent, 2g of dispersing agent, 0.5g of drier and the balance of solvent.
Adding JZ1021 hydroxyl modified acrylic resin, ATO slurry, nano zirconia, a defoaming agent, a leveling agent, an anti-settling agent, a dispersing agent and a drier into the water-based acrylic resin in sequence under the stirring condition, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the coating A4.
Spraying the prepared coating A4 on the surface of a fin of an oil fume purifier, baking at 50 ℃ for 10min, and finally baking at 160 ℃ for 60mi to form a coating A4.
Comparative example 2
An electrically conductive amphiphobic coating, comprising per 100g the following components: 10g of sodium methylsilicate, 50g of water-based acrylic resin, 5g of JZ1021 hydroxyl modified acrylic resin, 2g of nano-zirconia, 0.7g of defoaming agent, 0.7g of flatting agent, 2g of anti-settling agent, 2g of dispersing agent, 0.5g of drier and the balance of solvent.
Mixing sodium methyl silicate and water-based acrylic resin, adding JZ1021 hydroxyl modified acrylic resin, nano-zirconia, a defoaming agent, a leveling agent, an anti-settling agent, a dispersing agent and a drier into the mixture in sequence under the stirring condition, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the coating A5.
Spraying the prepared coating A5 on the surface of a fin of an oil fume purifier, baking at 50 ℃ for 10min, and finally baking at 160 ℃ for 60mi to form a coating A5.
Comparative example 3
An electrically conductive amphiphobic coating, comprising per 100g the following components: 10g of sodium methylsilicate, 50g of water-based acrylic resin, 0g of JZ1021 hydroxyl modified acrylic resin, 0g of ATO slurry, 2g of nano-zirconia, 0.7g of defoaming agent, 0.7g of flatting agent, 2g of anti-settling agent, 2g of dispersing agent, 0.5g of drier and the balance of solvent.
Mixing sodium methyl silicate and water-based acrylic resin, sequentially adding nano zirconium oxide, a defoaming agent, a leveling agent, an anti-settling agent, a dispersing agent and a drier into the mixture under the stirring condition, uniformly stirring, and then shearing and dispersing at a high speed for 30min to obtain the coating A6.
Spraying the prepared coating A6 on the surface of a fin of an oil fume purifier, baking at 50 ℃ for 10min, and finally baking at 160 ℃ for 60mi to form a coating A6.
To better illustrate the advantages of the technical solution provided by the present application, the following tests were performed on the above-mentioned a1-a6 coating under the 220V power-on operating condition of the oil fume purifier, and the specific test results are as follows:
Figure DEST_PATH_IMAGE001
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The conductive amphiphobic coating is characterized by comprising the following components: 10-20% of silicate, 40-80% of water-based resin, 10-30% of water-based anti-fouling auxiliary agent, 5-20% of nano conductive material, 3-10% of nano wear-resistant filler, 0.5% of drier and 0.5-10% of common auxiliary agent.
2. The conductive amphiphobic coating of claim 1, wherein the silicate is one or more of sodium methyl silicate, potassium methyl silicate, lithium methyl silicate, ammonium methyl silicate, or methyl silicic acid.
3. The conductive amphiphobic coating as claimed in claim 1, wherein the water-based resin is one or more of water-based silica sol, water-based acrylic resin, water-based polyurethane resin, water-based amino resin and water-based silicone resin.
4. The conductive amphiphobic coating as claimed in claim 1, wherein the aqueous anti-fouling auxiliary agent is a hydroxyl-modified acrylic resin.
5. The conductive amphiphobic coating of claim 1, wherein the nano conductive material is one or more of GTO aqueous dispersion, ATO aqueous dispersion, ITO aqueous dispersion, nano silver aqueous dispersion, carbon nanotube aqueous dispersion, graphene aqueous dispersion, and thiophene aqueous dispersion.
6. The conductive amphiphobic coating as claimed in claim 1, wherein the nano wear-resistant filler is one or more of zirconia water dispersion, silicon nitride, silicon carbide, glass micropowder, quartz powder and nano alumina.
7. The conductive amphiphobic coating as claimed in claim 1, wherein the common auxiliaries comprise leveling agents, defoaming agents, anti-settling agents and dispersing agents.
8. The method for preparing the conductive amphiphobic coating as claimed in claim 1, characterized in that silicate and water-based resin are mixed, hydroxyl modified acrylic resin, nano conductive material, nano filler, common auxiliary agent and drier are added into the mixture in sequence under the condition of stirring, and after uniform stirring, the mixture is sheared and dispersed at high speed for 30min to obtain the conductive amphiphobic coating.
9. A non-cleaning oil fume purifier, characterized in that the fins of the non-cleaning oil fume purifier are coated with the conductive amphiphobic paint of any one of claims 1-8.
10. The clean-free lampblack purifier of claim 9, wherein the clean-free lampblack purifier is an electrostatic lampblack purifier.
CN202010860605.3A 2020-08-25 2020-08-25 Conductive hydrophobic and oleophobic coating, preparation method thereof and cleaning-free oil fume purifier Pending CN112175462A (en)

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CN116273799A (en) * 2022-12-23 2023-06-23 惠州市摩彩装饰材料有限公司 Preparation method of high-transparency and anti-fouling UV (ultraviolet) excimer skin-feel coated plate

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