CN108774437A - A kind of aqueous adiabatic heat-insulation self-cleaning coating and preparation method thereof - Google Patents
A kind of aqueous adiabatic heat-insulation self-cleaning coating and preparation method thereof Download PDFInfo
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- 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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
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Abstract
Aqueous adiabatic heat-insulation self-cleaning coating provided by the invention, with silica aerogel, cork powder, nanometer Al2O3, nanometer Sb2O3, ceramic hollow microballon and mica powder be as adiabatic heat-insulation filler, using silicone acrylic emulsion and nano-titanium dioxide filler as automatically cleaning matrix resin and functional stuffing, the aqueous adiabatic heat-insulation self-cleaning coating being prepared using above-mentioned material, it is provided simultaneously with adiabatic heat-insulation and automatically cleaning effect, particularly suitable for external wall, coating process can be saved, adiabatic heat-insulation and self-cleaning function is made to settle at one go, saves cost.
Description
Technical field
The present invention relates to environment-friendly materials technical field more particularly to a kind of aqueous adiabatic heat-insulation self-cleaning coating and its preparations
Method.
Background technology
According to the statistics made by the departments concerned, there is moderate or more and pollutes in the city in China nearly 50%, wherein 18% city weighs
Degree pollution.These increasingly severe haze, smog, industrial waste gas, acid rains etc. bring prodigious pollution to skin
Problem leverages the aesthetics, functionality and durability of building.Stain resistant has become investigation building external paint
Important indicator.Meanwhile public building is confirmed as energy-saving major domain, firmly the portion of building determines that nearly 40 cities are energy saving change
Make key cities.According to the rules, each city future must complete transformation construction area and be no less than 4,000,000 square metres in two years, press
100 Yuan/㎡ are calculated, it is meant that every city future will provide 400,000,000 yuan of the market demand, and 40 are exactly 16,000,000,000.
About 2,000,000,000 square metres of the construction area that China increases newly every year at present, accounts for world's half, ranks the first in the world, unit building
Area heating energy consumption is 2-3 times of developed country.Reflect the urgency of China's building field energy-saving and emission-reduction, traditional heat-insulated guarantor
In adiabator, if rock wool blanket, inorganic heat insulation mortar, polyphenyl foam plate, polyurathamc equal thickness must reach certain requirement,
There can be preferable heat-insulating property, and in waterproof, cracking resistance, application property etc. Shortcomings；The resistance to combustion of organic polymer expanded material
Property is poor, and there are fire hazards.
Invention content
Have in view of that, it is necessary in view of the defects existing in the prior art, provide a kind of environmental protection, adiabatic heat insulating effect is good, together
When but also with self-cleaning function aqueous adiabatic heat-insulation self-cleaning coating.
To achieve the above object, the present invention uses following technical proposals：
A kind of aqueous adiabatic heat-insulation self-cleaning coating, which is characterized in that include the ingredient of following mass fraction：Nano-meter SiO_22
25-35 parts of aeroge, 30-40 parts of silicone acrylic emulsion, 10-25 parts of cork powder, nano-TiO23-5 parts, nanometer Al2O32-5 parts, receive
Rice Sb2O32-6 parts, 5-15 parts of ceramic hollow microballon, 1-3 parts of mica powder, 1-3 parts of antistatic auxiliary, 10-20 parts of absolute ethyl alcohol,
5-20 parts of deionized water, 2-5 parts of wetting dispersing agent, 0.1-1 parts of antifoaming agent, 0.1-0.3 parts of fungicide, 0.1-0.5 parts of thickener
And 1-3 parts of antifreezing agent, wherein：
The wetting dispersing agent includes the first wetting dispersing agent and the second wetting dispersing agent, and first wetting dispersing agent is
Ammonium polyacrylate salt wetting dispersing agent, second dispersant are block copolymer macromolecule class wetting dispersing agent.
In some preferred embodiments, the Nano-meter SiO_22Nano-meter SiO_2 in aeroge2The mass fraction of powder is 10-
15%.
In some preferred embodiments, the ceramic hollow microballon is sial base ceramic hollow microballon, the sial base
The grain size of ceramic hollow microballon is 8-15um.
In some preferred embodiments, the antistatic auxiliary is BASF LQ 01.
In some preferred embodiments, the mass fraction of first wetting dispersing agent and second wetting dispersing agent
Than for 1-3:1.
In some preferred embodiments, the ammonium polyacrylate salt wetting dispersing agent be O-Disperse 3507,
One kind in PROX B03, the block copolymer macromolecule class wetting dispersing agent are BYK183.
In some preferred embodiments, the antifoaming agent is mineral oil defoaming agent, and the mineral oil defoaming agent is
At least one of F-111, NXZ.
In some preferred embodiments, the fungicide is 5- chloro-2-methyl -2H- isothiazole -3- ketone or 1,2-
At least one of benzisothiazole-3-ketone, the thickener are TEGO 3060, and the antifreezing agent is ethylene glycol, propylene glycol
And at least one of glycol ethers.
In addition, the present invention also provides the preparation method of aqueous adiabatic heat-insulation self-cleaning coating, include the following steps：
Prepare nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid；
The first wetting dispersing agent is added in absolute ethyl alcohol and deionized water after mixing and is dispersed with stirring 10-20 min, then
Sequentially add nano-TiO2, nanometer Al2O3, nanometer Sb2O3And second wetting dispersing agent, it is again heated to 40-50 DEG C, continues ultrasound point
It dissipates 0.5-1 hours, is used in combination ammonium hydroxide to adjust pH to 8-9, obtains nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid；
By silicone acrylic emulsion, antistatic auxiliary, antifoaming agent, fungicide, thickener, antifreezing agent, mica powder, Nano-meter SiO_22Airsetting
Glue, cork powder, ceramic hollow microballon are uniformly mixed, and obtain mixed solution；
By the nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid mixed with the mixed solution after stir
Disperse 15-30min, obtains the aqueous adiabatic heat-insulation self-cleaning coating；
Wherein：Nano-meter SiO_2225-35 parts of aeroge, 30-40 parts of silicone acrylic emulsion, 10-25 parts of cork powder, nano-TiO2 3-5
Part, nanometer Al2O32-5 parts, nanometer Sb2O32-6 parts, 5-15 parts of ceramic hollow microballon, 1-3 parts of mica powder, antistatic auxiliary 1-
3 parts, 10-20 parts of absolute ethyl alcohol, 5-20 parts of deionized water, 2-5 parts of wetting dispersing agent, 0.1-1 parts of antifoaming agent, fungicide 0.1-
1-3 parts of 0.3 part, 0.1-0.5 parts of thickener and antifreezing agent.
The present invention use above-mentioned technical proposal the advantages of be：
Aqueous adiabatic heat-insulation self-cleaning coating provided by the invention, with silica aerogel, cork powder, nanometer Al2O3, receive
Rice Sb2O3, ceramic hollow microballon and mica powder as adiabatic heat-insulation filler, using silicone acrylic emulsion and nano-titanium dioxide filler as
Automatically cleaning matrix resin and functional stuffing, the aqueous adiabatic heat-insulation self-cleaning coating being prepared using above-mentioned material, have compared with
Low thermal coefficient and film coated surface energy and nano-particle effect, good heat insulating.
Meanwhile aqueous adiabatic heat-insulation self-cleaning coating provided by the invention is without foamed plastics thermal insulation material, mine fibre, glass
The harmful rubbish residual such as cotton, it is harmless nontoxic, the environment-friendly products of volatile harmful compound are free of, it is at low cost, it is easy for construction, it can
It is larger to be widely used in interior wall, exterior wall, metal surface, plastics, cement, masonry and other building material surfaces, foreground.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Aqueous adiabatic heat-insulation self-cleaning coating provided by the invention, includes the ingredient of following mass fraction：Nano-meter SiO_22Gas
25-35 parts of gel, 30-40 parts of silicone acrylic emulsion, 10-25 parts of cork powder, nano-TiO23-5 parts, nanometer Al2O32-5 parts, nanometer
Sb2O32-6 parts, 5-15 parts of ceramic hollow microballon, 1-3 parts of mica powder, 1-3 parts of antistatic auxiliary, 10-20 parts of absolute ethyl alcohol, go
5-20 parts of ionized water, 2-5 parts of wetting dispersing agent, 0.1-1 parts of antifoaming agent, 0.1-0.3 parts of fungicide, 0.1-0.5 parts of thickener and
1-3 parts of antifreezing agent, wherein：
The wetting dispersing agent includes the first wetting dispersing agent and the second wetting dispersing agent, and first wetting dispersing agent is
Ammonium polyacrylate salt wetting dispersing agent, second dispersant are block copolymer macromolecule class wetting dispersing agent.
In some preferred embodiments, the Nano-meter SiO_22Nano-meter SiO_2 in aeroge2The mass fraction of powder is 10-
15%.
Due to Nano-meter SiO_22Aeroge is that a kind of nanometer of hole pattern constituted is mutually coalesced by colloidal particle or high-polymer molecular
Network structure, SiO2The heat transfer of aeroge is jointly complete by solid thermal conduction, gas heat transfer and 3 kinds of modes of radiation thermal conduction
At due to SiO2Aeroge is the solid of world's upper density minimum, only 0.003-0.3g/cm3, and with up to 80%-
99.8% porosity, and its aperture be nanometer network skeleton interconnect it is mesoporous between the 2~50nm constituted
Size, therefore, this special construction result in SiO2Aeroge has excellent heat-insulating property.
In some preferred embodiments, silicone acrylic emulsion is will the organic silicon monomer containing unsaturated bond and acrylic compounds list
Suitable auxiliary agent is added in body, and the lotion that polymerization technique is polymerized is coated by nucleocapsid.
It is hydrophobic, surface energy is low it is appreciated that silicone acrylic emulsion combines organosilicon fire-resistant, weatherability, chemical-resistant
The not good advantage of the high colour retention of v ulnerability and acrylic resin, flexibility, adhesive force, then by compounding nano-TiO2,
Nano-particle is utilized with special effects such as skin effect, small-size effect and quantum size effects so that automatically cleaning is imitated more
Add significantly.
In some preferred embodiments, the ceramic hollow microballon is sial base ceramic hollow microballon, the sial base
The grain size of ceramic hollow microballon is 8-15um.
Further, the mass fraction of the sial base ceramic hollow microballon is 10 parts.
It is appreciated that the present invention uses sial base ceramic hollow microballon, due to being in micro- inside sial base ceramic hollow microballon
Small porous hollow structure, compression strength are 4000~7000kg/cm2, thermal coefficient is 0.07~0.12W/ (mK),
Heat resisting temperature reaches 1500 DEG C, by sial base ceramic hollow microballon and SiO2Aeroge is used in mixed way, and can reach excellent thermal insulation
Heat insulation effect.
It is appreciated that the above-mentioned aqueous adiabatic heat-insulation self-cleaning coating of the present invention, is also added with mica powder, applied so as to increase
The toughness of film reduces the water penetration of coating, and uvioresistant, weatherability is good, crack resistence.
In some preferred embodiments, the antistatic auxiliary is BASF LQ 01.
It is appreciated that the addition due to antistatic auxiliary can reduce the influence of electrostatic interaction, to reduce adsorptivity dirt
Dye.In some preferred embodiments, the ammonium polyacrylate salt wetting dispersing agent and the block copolymer macromolecule class
The mass fraction ratio of wetting dispersing agent is 1-3:1.The ammonium polyacrylate salt wetting dispersing agent be O-Disperse 3507,
One kind in PROX B03, the block copolymer macromolecule class wetting dispersing agent are BYK183.
In some preferred embodiments, the antifoaming agent is mineral oil defoaming agent, and the mineral oil defoaming agent is
At least one of F-111, NXZ.
In some preferred embodiments, the fungicide is 5- chloro-2-methyl -2H- isothiazole -3- ketone or 1,2-
At least one of benzisothiazole-3-ketone, the thickener are TEGO 3060, and the antifreezing agent is ethylene glycol, propylene glycol
And at least one of glycol ethers.
Aqueous adiabatic heat-insulation self-cleaning coating provided by the invention, with silica aerogel, cork powder, nanometer Al2O3, receive
Rice Sb2O3, ceramic hollow microballon and mica powder as adiabatic heat-insulation filler, using silicone acrylic emulsion and nano-titanium dioxide filler as
Automatically cleaning matrix resin and functional stuffing, the aqueous adiabatic heat-insulation self-cleaning coating being prepared using above-mentioned material, have compared with
Low thermal coefficient and film coated surface energy and nano-particle effect, good heat insulating.
Meanwhile aqueous adiabatic heat-insulation self-cleaning coating provided by the invention is without foamed plastics thermal insulation material, mine fibre, glass
The harmful rubbish residual such as cotton, it is harmless nontoxic, the environment-friendly products of volatile harmful compound are free of, it is at low cost, it is easy for construction, it can
It is larger to be widely used in interior wall, exterior wall, metal surface, plastics, cement, masonry and other building material surfaces, foreground.
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1-3 is according to each group distribution ratio of table 1.
Table 1
| Raw material | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Nano-meter SiO_22Aeroge | 25 | 35 | 30 |
| Silicone acrylic emulsion | 40 | 30 | 35 |
| Cork powder | 10 | 15 | 25 |
| Absolute ethyl alcohol | 10 | 15 | 20 |
| Wetting dispersing agent 1 | 3 | 2 | 1 |
| Wetting dispersing agent 2 | 1 | 1 | 1 |
| Nano-TiO2 | 3 | 5 | 4 |
| Nanometer Al2O3 | 5 | 3 | 2 |
| Nanometer antimony trioxide | 2 | 6 | 3 |
| Ceramic hollow microballon | 10 | 15 | 10 |
| Mica powder | 1 | 2 | 3 |
| Antistatic auxiliary | 3 | 1 | 2 |
| Deionized water | 5 | 10 | 20 |
| Antifoaming agent | 0.1 | 1 | 0.6 |
| Fungicide | 0.3 | 0.1 | 0.2 |
| Thickener | 0.5 | 0.3 | 0.1 |
| Antifreezing agent | 2 | 1 | 3 |
Embodiment 1
According to the mass fraction of embodiment 1 in table 1, water-based exterior wall adiabatic heat-insulation self-cleaning coating, preparation method are prepared
It is as follows：
The first step：Prepare nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid.
According to the proportioning in table 1, absolute ethyl alcohol and deionized water are measured, is uniformly mixed, ammonium polyacrylate salt is first added
Wetting dispersing agent is dispersed with stirring 10min, sequentially adds nano-TiO2, nanometer Al2O3And nanometer Sb2O3, then add block copolymer
High score subclass wetting dispersing agent is heated to 40 DEG C, continues ultrasonic disperse 0.5 hour, is used in combination ammonium hydroxide to adjust pH to 8, obtains nanometer
TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid.
Second step：Dispersion cylinder is added in silicone acrylic emulsion, antistatic auxiliary, antifoaming agent, fungicide, thickener and antifreezing agent
In, it stirs evenly；
Third walks：Sequentially add mica powder, Nano-meter SiO_22Aeroge, cork powder, ceramic hollow microballon, are dispersed with stirring
0.5h is eventually adding the mix nanoparticles dispersion liquid that the first step prepares, and continues to be dispersed with stirring 15min to get to the water
Property exterior wall heat insulation keep the temperature self-cleaning coating.
Wherein, Nano-meter SiO_22The mass fraction of nano-SiO2 powder is 10% in aeroge, and ceramic hollow microballon is sial
Base ceramic hollow microballon, grain size 8um.
Embodiment 2
According to the mass fraction of embodiment 2 in table 1, a kind of water-based exterior wall adiabatic heat-insulation self-cleaning coating is prepared, is prepared
Method is as follows：
The first step：Prepare nano TiO 2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid.
According to the proportioning in table 1, absolute ethyl alcohol and deionized water are measured, is uniformly mixed, ammonium polyacrylate salt is first added
Wetting dispersing agent is dispersed with stirring 20min, sequentially adds nano-TiO2, nanometer Al2O3And nanometer Sb2O3, then add block copolymer
High score subclass wetting dispersing agent is heated to 50 DEG C, continues ultrasonic disperse 1 hour, is used in combination ammonium hydroxide to adjust pH to 9, obtains nanometer
TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid.
Second step：Dispersion cylinder is added in silicone acrylic emulsion, antistatic auxiliary, antifoaming agent, fungicide, thickener and antifreezing agent
In, it stirs evenly；
Third walks：Sequentially add mica powder, Nano-meter SiO_22Aeroge, cork powder, ceramic hollow microballon, are dispersed with stirring
1h is eventually adding the mix nanoparticles dispersion liquid that the first step prepares, and continues to be dispersed with stirring 30min to get to described aqueous
Exterior wall heat insulation keeps the temperature self-cleaning coating.
Wherein, Nano-meter SiO_22Nano-meter SiO_2 in aeroge2The mass fraction of powder is 15%, and ceramic hollow microballon is sial base
Ceramic hollow microballon, grain size 15um.
Implementation column 3
According to the mass fraction of embodiment 3 in table 1, a kind of water-based exterior wall adiabatic heat-insulation self-cleaning coating is prepared, is prepared
Method is as follows：
The first step：Prepare nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid.
According to the proportioning in table 1, absolute ethyl alcohol and deionized water are measured, is uniformly mixed, ammonium polyacrylate salt is first added
Wetting dispersing agent is dispersed with stirring 20min, sequentially adds nano-TiO2, nanometer Al2O3And nanometer Sb2O3, then add block copolymer
High score subclass wetting dispersing agent is heated to 45 DEG C, continues ultrasonic disperse 40min, is used in combination ammonium hydroxide to adjust pH to 8.5, obtains nanometer
TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid.
Second step：Dispersion cylinder is added in silicone acrylic emulsion, antistatic auxiliary, antifoaming agent, fungicide, thickener and antifreezing agent
In, it stirs evenly；
Third walks：Sequentially add mica powder, Nano-meter SiO_22Aeroge, cork powder, ceramic hollow microballon, are dispersed with stirring
40min is eventually adding the mix nanoparticles dispersion liquid that the first step prepares, and continues to be dispersed with stirring 30min to get to the water
Property exterior wall heat insulation keep the temperature self-cleaning coating.
Wherein, Nano-meter SiO_22Nano-meter SiO_2 in aeroge2The mass fraction of powder is 12%, and ceramic hollow microballon is sial base
Ceramic hollow microballon, grain size 10um.
The performance indicator of the water-based exterior wall adiabatic heat-insulation self-cleaning coating of above-mentioned 3 implementation columns is shown in Table 2.
Table 2
| Detection project | National standard | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Water resistance | 96h, it is without exception | 2000h, it is without exception | 2000h, it is without exception | 2000h, it is without exception |
| Contact angle (°) | ≤20° | 6° | 6° | 5° |
| Thermal coefficient (W/ (mK)) | 0.05 | 0.031 | 0.032 | 0.029 |
| Temperature-change resistance (number) | It is 5 times, without exception | It is 10 times, without exception | It is 10 times, without exception | It is 10 times, without exception |
| Artificial ageing resistance (h) | 600h, it is without exception | 1000h, it is without exception | 1000h, it is without exception | 1000h, it is without exception |
| Adhesive force (grade) | ≤ 1 grade | 0 grade | 0 grade | 0 grade |
| Alkali resistance | 48h is without exception | 2000h, it is without exception | 2000h, it is without exception | 2000h, it is without exception |
As can be seen that the coating prepared by the present invention, has 5 ° minimum of contact angle and lower thermal coefficient,
0.029W/ (mK) illustrates that automatically cleaning effect and adiabatic heat insulating effect are very excellent.
Certainly the aqueous adiabatic heat-insulation self-cleaning coating of the present invention can also have a variety of transformation and remodeling, it is not limited on
State the concrete structure of embodiment.In short, protection scope of the present invention should be carried out those of ordinary skill in the art including those
It says obvious transformation or substitutes and retrofit.
Claims (9)
1. a kind of aqueous adiabatic heat-insulation self-cleaning coating, which is characterized in that include the ingredient of following mass fraction：Nano-meter SiO_22Gas
25-35 parts of gel, 30-40 parts of silicone acrylic emulsion, 10-25 parts of cork powder, nano-TiO23-5 parts, nanometer Al2O32-5 parts, nanometer
Sb2O32-6 parts, 5-15 parts of ceramic hollow microballon, 1-3 parts of mica powder, 1-3 parts of antistatic auxiliary, 10-20 parts of absolute ethyl alcohol, go
5-20 parts of ionized water, 2-5 parts of wetting dispersing agent, 0.1-1 parts of antifoaming agent, 0.1-0.3 parts of fungicide, 0.1-0.5 parts of thickener and
1-3 parts of antifreezing agent, wherein：
The wetting dispersing agent includes the first wetting dispersing agent and the second wetting dispersing agent, and first wetting dispersing agent is poly- third
Enoic acid ammonium salt class wetting dispersing agent, second dispersant are block copolymer macromolecule class wetting dispersing agent.
2. aqueous adiabatic heat-insulation self-cleaning coating as described in claim 1, which is characterized in that the Nano-meter SiO_22In aeroge
Nano-meter SiO_22The mass fraction of powder is 10-15%.
3. aqueous adiabatic heat-insulation self-cleaning coating as described in claim 1, which is characterized in that the ceramic hollow microballon is silicon
The grain size of Al-base ceramic cenosphere, the sial base ceramic hollow microballon is 8-15um.
4. aqueous adiabatic heat-insulation self-cleaning coating as described in claim 1, which is characterized in that the antistatic auxiliary is BASF
LQ 01。
5. aqueous adiabatic heat-insulation self-cleaning coating as claimed in claim 4, which is characterized in that the ammonium polyacrylate salt profit
The mass fraction ratio of hygroscopic water powder and the block copolymer macromolecule class wetting dispersing agent is 1-3:1.
6. aqueous adiabatic heat-insulation self-cleaning coating as claimed in claim 5, which is characterized in that the ammonium polyacrylate salt profit
Hygroscopic water powder is one kind in O-Disperse 3507, PROX B03, and the block copolymer macromolecule class wetting dispersing agent is
BYK183。
7. aqueous adiabatic heat-insulation self-cleaning coating as described in claim 1, which is characterized in that the antifoaming agent is mineral oils
Antifoaming agent, the mineral oil defoaming agent are at least one of F-111, NXZ.
8. aqueous adiabatic heat-insulation self-cleaning coating as described in claim 1, which is characterized in that the fungicide is the chloro- 2- of 5-
At least one of methyl -2H- isothiazole -3- ketone or 1,2-benzisothiazolin-3-one, the thickener are TEGO
3060, the antifreezing agent is at least one of ethylene glycol, propylene glycol and glycol ethers.
9. a kind of preparation method of aqueous adiabatic heat-insulation self-cleaning coating, which is characterized in that include the following steps：
Prepare nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid；
The first wetting dispersing agent is added in absolute ethyl alcohol and deionized water after mixing and is dispersed with stirring 10-20min, then is added successively
Enter nano-TiO2, nanometer Al2O3, nanometer Sb2O3And second wetting dispersing agent, it is again heated to 40-50 DEG C, continues ultrasonic disperse 0.5-
It 1 hour, is used in combination ammonium hydroxide to adjust pH to 8-9, obtains nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid；
By silicone acrylic emulsion, antistatic auxiliary, antifoaming agent, fungicide, thickener, antifreezing agent, mica powder, Nano-meter SiO_22It is aeroge, soft
Wood powder, ceramic hollow microballon are uniformly mixed, and obtain mixed solution；
By the nano-TiO2, nanometer Al2O3And nanometer Sb2O3Mixed dispersion liquid mixed with the mixed solution after be dispersed with stirring
15-30min obtains the aqueous adiabatic heat-insulation self-cleaning coating；
Wherein：Nano-meter SiO_2225-35 parts of aeroge, 30-40 parts of silicone acrylic emulsion, 10-25 parts of cork powder, nano-TiO23-5 parts, receive
Rice Al2O32-5 parts, nanometer Sb2O32-6 parts, 5-15 parts of ceramic hollow microballon, 1-3 parts of mica powder, 1-3 parts of antistatic auxiliary,
10-20 parts of absolute ethyl alcohol, 5-20 parts of deionized water, 2-5 parts of wetting dispersing agent, 0.1-1 parts of antifoaming agent, 0.1-0.3 parts of fungicide,
1-3 parts of 0.1-0.5 parts of thickener and antifreezing agent.
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