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CN109554110A - A kind of thermostable heat-conductive self-cleaning coating and preparation method thereof - Google Patents

A kind of thermostable heat-conductive self-cleaning coating and preparation method thereof Download PDF

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Publication number
CN109554110A
CN109554110A CN201811414848.3A CN201811414848A CN109554110A CN 109554110 A CN109554110 A CN 109554110A CN 201811414848 A CN201811414848 A CN 201811414848A CN 109554110 A CN109554110 A CN 109554110A
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parts
nano
agent
thermostable heat
component
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Inventor
陈文政
孙积文
彭加华
陈祥顺
胡宝义
陈晨
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Sichuan Land Energy Technology Co Ltd
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Sichuan Land Energy Technology Co Ltd
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Priority to CN201811414848.3A priority Critical patent/CN109554110A/en
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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
    • C09D183/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04Polysiloxanes
    • 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
    • C09D127/00Coating 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 a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02Coating 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12Coating 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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • 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
    • C09D5/08Anti-corrosive paints
    • 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
    • C09D5/1656Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662Synthetic film-forming substance
    • C09D5/1675Polyorganosiloxane-containing compositions
    • 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
    • C09D5/18Fireproof paints including high temperature resistant paints
    • 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
    • C08K2003/221Oxides; Hydroxides of metals of rare earth metal
    • C08K2003/2213Oxides; Hydroxides of metals of rare earth metal of cerium
    • 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
    • C08K3/28Nitrogen-containing compounds
    • C08K2003/282Binary compounds of nitrogen with aluminium
    • 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
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • 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
    • 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
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of thermostable heat-conductive self-cleaning coatings and preparation method thereof, including basal liquid, filler and auxiliary agent;Basal liquid includes each component of following weight: 20~30 parts of active siloxanes, 10~40 parts of water-soluble modified Special Resin, 10~40 parts of nano silica, 5~30 parts of nano aluminum nitride, 5~30 parts of nanometer silicon carbide, 1~10 part of graphene, 10~20 parts of graphite, 0~10 part of nano yttrium oxide, 2~20 parts of nano-cerium oxide, 10~30 parts of deionized water;Filler is at least one of grain nano silica, nanometer silicon carbide, graphene, cerium oxide, yttrium oxide;Auxiliary agent includes each component of following weight: 1~20 part of diluent, 0.5~5 part of wetting agent, 0.5~2 part of levelling agent, 0.5~1 part of defoaming agent, 5~20 parts of thickener.

Description

A kind of thermostable heat-conductive self-cleaning coating and preparation method thereof
Technical field
The invention belongs to the technical fields of coating, and in particular to a kind of thermostable heat-conductive self-cleaning coating and preparation method thereof.
Background technique
Metallurgy, electric power, chemical engineering industry production process in, many equipment, pipeline are chronically at severe working condition, The cooler that coal-burning power plant, the country uses at present be all light pipe and wing branch pipe type heat-pipe air preheater, superheater, reheating pipe device, Economizer, the disadvantage is that, light pipe and wing branch pipe welding winding root portion be easily separated from, surface scale dust stratification, resistance to heat compared with Greatly, heat-transfer effect is low, exchange capability of heat is poor, also the service life of big, its tube body and spare and accessory parts is then three short for itself pipe body corrosion Month, it is long then no more than 3 years.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of thermostable heat-conductive self-cleaning coating and its preparation Method, to solve the above problems.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
There is provided a kind of thermostable heat-conductive self-cleaning coating and preparation method thereof and method comprising basal liquid, filler and auxiliary agent;
Basal liquid includes each component of following weight: 20~30 parts of active siloxanes, water-soluble modified Special Resin 10~ 40 parts, 10~40 parts of nano silica, 5~30 parts of nano aluminum nitride, 5~30 parts of nanometer silicon carbide, 1~10 part of graphene, 10~20 parts of graphite, 0~10 part of nano yttrium oxide, 2~20 parts of nano-cerium oxide, 10~30 parts of deionized water;
Filler is at least one of grain nano silica, nanometer silicon carbide, graphene, cerium oxide, yttrium oxide;
Auxiliary agent includes each component of following weight: 1~20 part of diluent, 0.5~5 part of wetting agent, 0.5~2 part of levelling agent, 0.5~1 part of defoaming agent, 5~20 parts of thickener.
Preferably, active siloxanes is tetramethoxy siloxanes, methyl trimethoxy oxygroup siloxanes, methyltriethoxy silane oxygen Alkane, aminopropyl triethoxysilane, 3- glycidyl ether oxypropyltrimethoxysilane, γ-methacryloxypropyl At least one of trimethoxy silane.
Preferably, water-soluble modified Special Resin is at least one in water-soluble organic silicon resin and water-soluble fluorine resin Kind.
Preferably, diluent includes at least one of isopropanol, ethyl alcohol, deionized water and acetone.
Preferably, wetting agent is Siloxane-Oxyalkylene Copolymers class wetting agent;The defoaming agent is Siloxane-Oxyalkylene Copolymers Solution;The thickener is one of cellulose, fumed silica and organobentonite or a variety of.
A kind of preparation method for thermostable heat-conductive self-cleaning coating characterized by comprising
Solid content is hydrolyzed at room temperature with silane coupling agent and is reacted in 30% or more silica solution;
Nano silica is add to deionized water, ultrasonic evenly dispersed 20 under the revolving speed of 700~1000rpm~ 30 minutes, obtain silicon sol solution;
Graphene, basal liquid are added in diluent, ultrasonic evenly dispersed 90 under the revolving speed of 1000~2000rpm~ 180 minutes, obtain graphene dispersing solution;
Nano aluminum nitride, basal liquid are added in diluent, the ultrasound evenly dispersed 90 under the revolving speed of 1000~1500rpm ~150 minutes, obtain nano aluminum nitride dispersion liquid;
Nanometer silicon carbide, basal liquid are added in diluent, and ultrasound, ultrasound is uniform under the revolving speed of 1000~1500rpm Dispersion 90~150 minutes, obtains nanometer silicon carbide dispersion liquid;
Yttrium cerium composite ceramics nano fluid is modified to after nano yttrium oxide and nano-cerium oxide are dispersed respectively according to the ratio;
Sequentially added in a Scattered Kettle graphene dispersing solution, nano aluminum nitride dispersion liquid, nanometer silicon carbide dispersion liquid, Yttrium cerium composite ceramics nano fluid, remaining deionized water and thickener and 1/3 isopropanol, the defoaming agent of 1/3~2/3 amount, 2/3 The levelling agent of amount carries out grinding distribution by high-speed grinder, grinds 0.5~4 hour, obtains component A;
Be added in another reaction kettle whole active siloxanes and wetting agent and the isopropanol of surplus, levelling agent and Defoaming agent stirs 1~1.5 hour under 800~1500rpm revolving speed, is uniformly mixed material, obtains B component;
Gained component A and B component are stirred under 800~1500rpm revolving speed, are uniformly mixed, obtains thermostable heat-conductive certainly Clean coating.
Thermostable heat-conductive self-cleaning coating provided by the invention and preparation method thereof, has the advantages that
Paint adhesion of the present invention is strong, high temperature resistant, excellent corrosion resistance, has high-termal conductivity, and the high hardness of coating is resistance to Mill property can be used keeping coating completely to play an important role under long term high temperature, and surface can be low, each in air with high hydrophobic angle Kind dust difficulty adherency, keeps coating easy to clean, gloss and colour stable;Adhesive force, compactness, obdurability are good, impervious strong, adapt to In the coating of metal, nonmetallic, plastics, ceramic material.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art, As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy See, all are using the innovation and creation of present inventive concept in the column of protection.
According to one embodiment of the application, the thermostable heat-conductive self-cleaning coating of this programme, including basal liquid, filler and help Agent.
Basal liquid includes each component of following weight: 20~30 parts of active siloxanes, water-soluble modified Special Resin 10~ 40 parts, 10~40 parts of nano silica, 5~30 parts of nano aluminum nitride, 5~30 parts of nanometer silicon carbide, 1~10 part of graphene, 10~20 parts of graphite, 0~10 part of nano yttrium oxide, 2~20 parts of nano-cerium oxide, 10~30 parts of deionized water.
Wherein, active siloxanes is tetramethoxy siloxanes, methyl trimethoxy oxygroup siloxanes, methyltriethoxy silane oxygen Alkane, aminopropyl triethoxysilane, 3- glycidyl ether oxypropyltrimethoxysilane, γ-methacryloxypropyl At least one of trimethoxy silane;Water-soluble modified Special Resin is in water-soluble organic silicon resin and water-soluble fluorine resin At least one.
Filler is at least one of grain nano silica, nanometer silicon carbide, graphene, cerium oxide, yttrium oxide;Its In, the partial size of nano silica is between 5~22nm.
Auxiliary agent includes each component of following weight: 1~20 part of diluent, 0.5~5 part of wetting agent, levelling agent 0.5~2 Part, 0.5~1 part of defoaming agent, 5~20 parts of thickener.
Wherein, wetting agent is Siloxane-Oxyalkylene Copolymers class wetting agent, and the interfacial tension between substance can be effectively reduced, can Flow behavior is significantly improved, interface is made to generate smooth, smooth appearance;Defoaming agent is polyether modified polysiloxane solution; The thickener is one of cellulose, fumed silica and organobentonite or a variety of.
According to one embodiment of the application, a kind of preparation method for thermostable heat-conductive self-cleaning coating, comprising:
Solid content is hydrolyzed at room temperature with silane coupling agent and is reacted in 30% or more silica solution;
Nano silica is add to deionized water, ultrasonic evenly dispersed 20 under the revolving speed of 700~1000rpm~ 30 minutes, obtain silicon sol solution;
Graphene, basal liquid are added in diluent, ultrasonic evenly dispersed 90 under the revolving speed of 1000~2000rpm~ 180 minutes, obtain graphene dispersing solution;
Nano aluminum nitride, basal liquid are added in diluent, the ultrasound evenly dispersed 90 under the revolving speed of 1000~1500rpm ~150 minutes, obtain nano aluminum nitride dispersion liquid;
Nanometer silicon carbide, basal liquid are added in diluent, and ultrasound, ultrasound is uniform under the revolving speed of 1000~1500rpm Dispersion 90~150 minutes, obtains nanometer silicon carbide dispersion liquid;
Yttrium cerium composite ceramics nano fluid is modified to after nano yttrium oxide and nano-cerium oxide are dispersed respectively according to the ratio;
Sequentially added in a Scattered Kettle graphene dispersing solution, nano aluminum nitride dispersion liquid, nanometer silicon carbide dispersion liquid, Yttrium cerium composite ceramics nano fluid, remaining deionized water and thickener and 1/3 isopropanol, the defoaming agent of 1/3~2/3 amount, 2/3 The levelling agent of amount carries out grinding distribution by high-speed grinder, grinds 0.5~4 hour, obtains component A;
Be added in another reaction kettle whole active siloxanes and wetting agent and the isopropanol of surplus, levelling agent and Defoaming agent stirs 1~1.5 hour under 800~1500rpm revolving speed, is uniformly mixed material, obtains B component;
Gained component A and B component are stirred under 800~1500rpm revolving speed, are uniformly mixed, obtains thermostable heat-conductive certainly Clean coating.
The present invention is led using inorganic modified solution and the high temperature resistant of nano inorganic ceramic packing modified poly processing development, height The industrial energy-saving coatings of hot, self-cleaning metal.Solution is the organically-modified hydridization film forming solution of special high temperature resistant inorganic-, with nothing Based on machine siloxy-Si-O-Si-key, using advanced nano material and sol-gel technique, develop it is inorganic- The anticorrosion film-forming object of organic polymer, addition nano ceramic material, graphene and a variety of blending polymerization technologies are made, are dredged using lotus leaf Water principle simulation is effectively discharged out the intrusion of dust and greasy dirt, urges or vibrates in wind-force, and pollutant is easily taken away, and makes to coat Object surface is maintained in the clean condition.Thermostable heat-conductive self-cleaning coat is finer and close, and adhesive force is strong, and heat chemistry and thermophysics be more under high temperature Stablize.
Paint coatings can be in conjunction with body surface material atom or ion fast reaction, and generating has physics, chemistry, electricity Sub- triple protection protective action is firmly combined by chemical bond, ionic bond and matrix surface, has protection well to make substrate With.Thermostable heat-conductive self-cleaning coat has high thermal conductivity coefficient, resistance to, heatproof corrosion-resistant, wear-resisting, easy to clean up to the characteristics such as 800 DEG C.
Paint adhesion of the invention is strong, high temperature resistant, excellent corrosion resistance, has high-termal conductivity, the high hardness of coating Wearability can be used keeping coating completely to play an important role under long term high temperature, and surface can be low, has high hydrophobic angle, in air Various dust difficulty adherency, keep coating easy to clean, gloss and colour stable;Adhesive force, compactness, obdurability are good, impervious strong, fit It should be in the coating of metal, nonmetallic, plastics, ceramic material.
Coating has the material of good self-lubricating condition and corresponding mechanicals efforts, has good lubrication anti-attrition effect, It can be reduced contact surface as friction and caused by wear-out defect, improve the service performance of basis material, save the energy, improve gold Belong to 2-3 times of service life or more of matrix.
The base-material used is mixed with active siloxanes for nano silica, nano ceramics and water-soluble modified Special Resin After closing reaction, generates and mix inorganic-organosol performed polymer.Performed polymer further progress dehydration condensation after construction, can give birth to At the 3 D stereo reticular structure film of inorganic-organic hybrid.
Thermostable heat-conductive self-cleaning coating is Nano Rare, the graphite flakes, nano metal both sexes oxygen by high degree of dispersion activation The composition such as compound, superfine rare-earth ultrafine powder.These anti-corrosion paints through overactivation are that can play anticorrosive enhancing in anti-corrosion Polarized effect, acid-fast alkali-proof, corrosion resistance is high, prevents from aoxidizing Jie under high temperature hot and humid gas, high-temperature electrolysis matter liquid and high temperature Matter invades and harasses diffusion, and accumulatingdust, scale inhibition, shielding is strong, conductance electrostatic rate balance and stability, plays and neutralizes and prevent well substrate The raised effect of current potential is also avoided that the presence of coating pin hole, and coating hardness is high, wear resistant and impact resistant, and acid and alkali-resistance ageing time is long.
Although the specific embodiment to invention is described in detail, the protection model to this patent should not be construed as The restriction enclosed.In range described by claims, those skilled in the art can make each without creative work Kind modification and variation still belong to the protection scope of this patent.

Claims (6)

1. a kind of thermostable heat-conductive self-cleaning coating, which is characterized in that including basal liquid, filler and auxiliary agent;
The basal liquid includes each component of following weight: 20~30 parts of active siloxanes, water-soluble modified Special Resin 10~ 40 parts, 10~40 parts of nano silica, 5~30 parts of nano aluminum nitride, 5~30 parts of nanometer silicon carbide, 1~10 part of graphene, 10~20 parts of graphite, 0~10 part of nano yttrium oxide, 2~20 parts of nano-cerium oxide, 10~30 parts of deionized water;
The filler is at least one of grain nano silica, nanometer silicon carbide, graphene, cerium oxide, yttrium oxide;
The auxiliary agent includes each component of following weight: 1~20 part of diluent, 0.5~5 part of wetting agent, 0.5~2 part of levelling agent, 0.5~1 part of defoaming agent, 5~20 parts of thickener.
2. thermostable heat-conductive self-cleaning coating according to claim 1, it is characterised in that: the activity siloxanes is four methoxies Radical siloxane, methyl trimethoxy oxygroup siloxanes, methyltriethoxy silane oxygen alkane, aminopropyl triethoxysilane, 3- glycidol At least one of ether oxygen base propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane.
3. thermostable heat-conductive self-cleaning coating according to claim 1, it is characterised in that: the water-soluble modified Special Resin For at least one of water-soluble organic silicon resin and water-soluble fluorine resin.
4. thermostable heat-conductive self-cleaning coating according to claim 1, it is characterised in that: the diluent includes isopropyl At least one of alcohol, ethyl alcohol, deionized water and acetone.
5. thermostable heat-conductive self-cleaning coating according to claim 1, it is characterised in that: the wetting agent is polyether-modified poly- Type siloxane wetting agent;The defoaming agent is polyether modified polysiloxane solution;The thickener is cellulose, gas phase titanium dioxide One of silicon and organobentonite are a variety of.
6. a kind of preparation method for thermostable heat-conductive self-cleaning coating according to claim 1, which is characterized in that packet It includes:
Solid content is hydrolyzed at room temperature with silane coupling agent and is reacted in 30% or more silica solution;
Nano silica is add to deionized water, evenly dispersed 20~30 points of ultrasound under the revolving speed of 700~1000rpm Clock obtains silicon sol solution;
Graphene, basal liquid are added in diluent, evenly dispersed 90~180 points of ultrasound under the revolving speed of 1000~2000rpm Clock obtains graphene dispersing solution;
Nano aluminum nitride, basal liquid are added in diluent, ultrasonic evenly dispersed 90 under the revolving speed of 1000~1500rpm~ 150 minutes, obtain nano aluminum nitride dispersion liquid;
Nanometer silicon carbide, basal liquid are added in diluent, and ultrasound, ultrasound is evenly dispersed under the revolving speed of 1000~1500rpm 90~150 minutes, obtain nanometer silicon carbide dispersion liquid;
Yttrium cerium composite ceramics nano fluid is modified to after nano yttrium oxide and nano-cerium oxide are dispersed respectively according to the ratio;
Graphene dispersing solution, nano aluminum nitride dispersion liquid, nanometer silicon carbide dispersion liquid, yttrium cerium are sequentially added in a Scattered Kettle Composite ceramics nano fluid, remaining deionized water and thickener and 1/3 isopropanol, the defoaming agent of 1/3~2/3 amount, 2/3 amount Levelling agent carries out grinding distribution by high-speed grinder, grinds 0.5~4 hour, obtains component A;
Whole active siloxanes and wetting agent and the isopropanol of surplus, levelling agent and defoaming are added in another reaction kettle Agent is stirred 1~1.5 hour under 800~1500rpm revolving speed, is uniformly mixed material, is obtained B component;
Gained component A and B component are stirred under 800~1500rpm revolving speed, is uniformly mixed, obtains the self-cleaning painting of thermostable heat-conductive Material.
CN201811414848.3A 2018-11-26 2018-11-26 A kind of thermostable heat-conductive self-cleaning coating and preparation method thereof Pending CN109554110A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111303672A (en) * 2020-04-21 2020-06-19 上海烯有新材料有限公司 Graphene high-temperature-resistant heat exchange enhanced coating, preparation method and coating method thereof
CN111826030A (en) * 2020-08-19 2020-10-27 陕西泰恒环保新材料有限公司 Graphene external wall panel self-cleaning coating and preparation method thereof
CN112831204A (en) * 2021-03-13 2021-05-25 顾铁岩 High-temperature-resistant nano self-cleaning special functional coating

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