CN108610823B - Water-based heat-insulating exterior wall coating and preparation method thereof - Google Patents
Water-based heat-insulating exterior wall coating and preparation method thereof Download PDFInfo
- Publication number
- CN108610823B CN108610823B CN201810544595.5A CN201810544595A CN108610823B CN 108610823 B CN108610823 B CN 108610823B CN 201810544595 A CN201810544595 A CN 201810544595A CN 108610823 B CN108610823 B CN 108610823B
- Authority
- CN
- China
- Prior art keywords
- aerogel
- nano
- agent
- water
- exterior wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 46
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000004964 aerogel Substances 0.000 claims abstract description 33
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 229910052680 mordenite Inorganic materials 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000839 emulsion Substances 0.000 claims abstract description 22
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 21
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 19
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 19
- 229910052904 quartz Inorganic materials 0.000 claims abstract description 19
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 19
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 19
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 16
- 229920002678 cellulose Polymers 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 13
- 239000002562 thickening agent Substances 0.000 claims abstract description 12
- 239000000080 wetting agent Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 9
- 230000032683 aging Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 239000011259 mixed solution Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 14
- CWSZBVAUYPTXTG-UHFFFAOYSA-N 5-[6-[[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxymethyl]-3,4-dihydroxy-5-[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-methyloxane-3,4-diol Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OCCO)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 CWSZBVAUYPTXTG-UHFFFAOYSA-N 0.000 claims description 9
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 9
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 9
- 230000000996 additive Effects 0.000 claims description 9
- -1 dodecyl alcohol ester Chemical class 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000011240 wet gel Substances 0.000 claims description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N TiO Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 6
- 239000000499 gel Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H Sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- VXUYXOFXAQZZMF-UHFFFAOYSA-N Titanium isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 3
- SKFIUGUKJUULEM-UHFFFAOYSA-N butan-1-ol;zirconium Chemical compound [Zr].CCCCO SKFIUGUKJUULEM-UHFFFAOYSA-N 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 239000007798 antifreeze agent Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 150000001299 aldehydes Chemical class 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 238000007792 addition Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003712 anti-aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004301 light adaptation Effects 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C09D5/1687—Use of special additives
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/68—Particle size between 100-1000 nm
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The invention discloses a water-based heat-insulating exterior wall coating and a preparation method thereof, wherein the water-based heat-insulating exterior wall coating comprises the following components: nano SiO2Granules, acrylic emulsion, composite TiO2/ZrO2The nano-mordenite coating comprises aerogel, cellulose aerogel, nano-mordenite, titanium dioxide and an auxiliary agent, wherein the auxiliary agent comprises one or more of a dispersing agent, a wetting agent, a thickening agent, a defoaming agent, a film-forming auxiliary agent and an antifreezing agent. The invention adopts nano SiO2The particles and the acrylic emulsion fully play the dirt resistance, dust resistance, aging resistance and fire resistance of the silicon dioxide, and simultaneously prevent the wall surface from cracking. Composite TiO2/ZrO2The aerogel, the cellulose aerogel and the nano mordenite are all materials with rich pore channels, and have higher heat insulation effect after being mixed with acrylic emulsion and the like. It contains no benzene and aldehydes, and is friendly to human body and environment.
Description
Technical Field
The invention relates to the technical field of exterior wall coatings, in particular to a water-based heat-insulating exterior wall coating and a preparation method thereof.
Background
The building heat-insulating coating has the functions of decoration and wall protection, and can effectively reduce the temperature of the surface and the interior of a building in the modes of obstruction, reflection, radiation and the like, reduce the heat accumulation of the wall surface and achieve the effect of saving the energy consumption of the building.
Compared with interior wall coatings, exterior wall coatings have increased environmental severity, so that the exterior wall coatings have multiple functions of water-based, heat insulation, water resistance, crack resistance and the like. In the prior art, organic polymers are often used as main functional substances, such as polyurethane, modified polyurethane and the like, to prepare the exterior wall coating with a heat insulation effect. However, the prepared coating is not ideal in performances such as water resistance, alkali resistance, ageing resistance and the like. Therefore, the prepared exterior wall coating with multiple functions of water-based, heat insulation, water resistance, crack resistance and the like still has wide application prospect.
Disclosure of Invention
The invention provides a water-based heat-insulating exterior wall coating and a preparation method thereof, which aim to solve the problem of multifunctional compounding of the exterior wall coating.
In a first aspect, the invention provides a water-based heat-insulating exterior wall coating, which comprises the following components: nano SiO2Granules, acrylic emulsion, composite TiO2/ZrO2Aerogel, cellulose aerogel, nano mordenite, titanium dioxide and auxiliary agent,
wherein the auxiliary agent comprises one or more of a dispersing agent, a wetting agent, a thickening agent, a defoaming agent, a film-forming auxiliary agent and an antifreezing agent.
Optionally, the mass parts of the components are as follows:
in the acrylic emulsion, the hydroxyl content is 2.5% -6%; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds.
Optionally, the nano SiO2The average particle size of the particles is 30-40nm, and the average particle size of the nano mordenite is 100-120 nm.
Optionally, the dispersant is sodium hexametaphosphate or dispersant 5040; the wetting agent comprises CO-630; the thickener comprises hydroxyethyl cellulose; the defoamer comprises a mineral oil or silicone defoamer; the film forming additive comprises dodecyl alcohol ester; the antifreeze agent comprises ethylene glycol.
Optionally, the composite TiO2/ZrO2The preparation method of the aerogel comprises the following steps:
(1) dissolving isopropyl titanate and tetrabutyl zirconate in absolute ethyl alcohol to obtain a mixed solution;
(2) heating the mixed solution at 40 ℃ in a water bath under stirring for 12 hours, adding formamide, and stirring for 10 minutes to obtain mixed sol;
(3) adding epoxypropane into the mixed sol for coagulation regulation to obtain a composite wet gel;
(4) aging the mixed wet gel in a 40 ℃ oven for 48 hours, wherein absolute ethyl alcohol is used for replacing the mixed wet gel once every 24 hours to obtain composite aged gel;
(5) using supercritical CO for the composite aged gel2Drying to obtain the composite TiO2/ZrO2An aerogel.
In a second aspect, the invention also provides a preparation method of the water-based heat-insulating exterior wall coating, which comprises the following steps:
(1) adding cellulose aerogel, nano mordenite and titanium dioxide into deionized water, and uniformly dispersing to obtain a mixed solution;
(2) mixing nano SiO2Mixing the particles with the acrylic emulsion, and adding the mixture into the mixed solution to obtain a primary coating;
(3) adding composite TiO into the primary coating2/ZrO2Aerogel and auxiliary agent to obtain the water-based heat-insulating exterior wall coating.
Optionally, the method comprises the following steps:
(1) adding cellulose aerogel, nano mordenite and titanium dioxide into deionized water, stirring for 3 hours at 500 revolutions per minute, and uniformly dispersing to obtain a mixed solution;
(2) mixing nano SiO2Mixing the particles and the acrylic emulsion, adding the mixture into the mixed solution, and stirring the mixture for 1 hour at 200 revolutions per minute to obtain a primary coating;
(3) adding composite TiO into the primary coating2/ZrO2And (3) stirring the aerogel and the auxiliary agent for 0.5 hour at 500 revolutions per minute to obtain the water-based heat-insulating exterior wall coating.
The invention has the following beneficial effects:
(1) the invention adopts nano SiO2The particles and the acrylic emulsion fully play the dirt resistance, dust resistance, aging resistance and fire resistance of the silicon dioxide, and simultaneously prevent the wall surface from cracking.
(2) Composite TiO2/ZrO2The aerogel, the cellulose aerogel and the nano mordenite are all materials with rich pore channels, and after being mixed with acrylic emulsion and the like, closed pore channels are formed, so that the thermal insulation effect is high. In addition, the cellulose aerogel has mordenite and nano SiO simultaneously2The effect of even dispersion of granule further prevents the wall and splits.
(3) The water-based heat-insulating exterior wall coating provided by the invention does not contain benzene and aldehydes, and is friendly to human body and environment.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Detailed Description
The invention provides a water-based heat-insulating exterior wall coating and a preparation method thereof, which aim to solve the problem of multifunctional compounding of the exterior wall coating. The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 water-based heat-insulating exterior wall coating provided by the embodiment comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the average particle diameter of the nano mordenite is 100-120 nm. The dispersant is sodium hexametaphosphate; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is mineral oil; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol. The selection of the auxiliary agents is not only the above ones.
Example 2
The water-based heat-insulating exterior wall coating provided by the embodiment comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the average particle diameter of the nano mordenite is 100-120 nm. The dispersant is dispersant 5040; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is an organic silicon defoaming agent; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol.
Example 3
The water-based heat-insulating exterior wall coating provided by the embodiment comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the average particle diameter of the nano mordenite is 100-120 nm. The dispersant is dispersant 5040; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is an organic silicon defoaming agent; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol.
Example 4
The water-based heat-insulating exterior wall coating provided by the embodiment comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the average particle diameter of the nano mordenite is 100-120 nm. The dispersant is dispersant 5040; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is an organic silicon defoaming agent; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol.
In the above examples, the TiO compound2/ZrO2The preparation method of the aerogel comprises the following steps:
(1) dissolving isopropyl titanate and tetrabutyl zirconate in absolute ethyl alcohol to obtain a mixed solution;
(2) heating the mixed solution at 40 ℃ in a water bath under stirring for 12 hours, adding formamide, and stirring for 10 minutes to obtain mixed sol;
(3) adding epoxypropane into the mixed sol for coagulation regulation to obtain a composite wet gel;
(4) aging the mixed wet gel in a 40 ℃ oven for 48 hours, wherein absolute ethyl alcohol is used for replacing the mixed wet gel once every 24 hours to obtain composite aged gel;
(5) using supercritical CO for the composite aged gel2Drying to obtain the composite TiO2/ZrO2An aerogel.
In the above embodiment, the preparation method of the water-based heat-insulating exterior wall coating comprises the following steps:
(1) adding cellulose aerogel, nano mordenite and titanium dioxide into deionized water, stirring for 3 hours at 500 rpm, and uniformly dispersing to obtain a mixed solution.
(2) Mixing nano SiO2The particles were mixed with an acrylic emulsion, added to the mixed solution, and stirred at 200 rpm for 1 hour to obtain a primary dope.
(3) Adding composite TiO into the primary coating2/ZrO2And (3) stirring the aerogel and the auxiliary agent for 0.5 hour at 500 revolutions per minute to obtain the water-based heat-insulating exterior wall coating.
Comparative example 1
The exterior wall coating provided by the comparative example comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the nano mercerizationThe average particle size of the zeolite is 100-120 nm. The dispersant is dispersant 5040; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is an organic silicon defoaming agent; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol.
Comparative example 2
The exterior wall coating provided by the comparative example comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the average particle diameter of the nano mordenite is 100-120 nm. The dispersant is dispersant 5040; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is an organic silicon defoaming agent; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol.
Comparative example 3
The exterior wall coating provided by the embodiment comprises the following components:
wherein, in the acrylic emulsion, the hydroxyl content is 2.5 to 6 percent; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds. Nano SiO2The average particle diameter of the particles is 30-40nm, and the average particle diameter of the nano mordenite is 100-120 nm. The dispersant is dispersant 5040; the wetting agent is CO-630; the thickening agent is hydroxyethyl cellulose; the defoaming agent is an organic silicon defoaming agent; the film-forming additive is dodecyl alcohol ester; the antifreezing agent is ethylene glycol.
The comparative example is similar to the preparation of the coatings provided in the examples and will not be described here.
TABLE 1 comparison of sample Properties prepared in examples and comparative examples
As is apparent from the above table, in the case where the other components are the same, comparative example 1 and example 3 are compared, and it is found that TiO is used2The thermal conductivity coefficient of the sample obtained by the aerogel is obviously higher than that of the sample obtained by adopting the composite TiO2/ZrO2Aerogel, this illustrates composite TiO2/ZrO2Aerogels have the reason to improve the thermal insulation properties of coatings; compared with the embodiment 3, the comparison result shows that the addition of the cellulose aerogel can not only improve the heat insulation performance of the coating, but also effectively relieve the wall surface from peeling off and improve the anti-aging performance of the coating; comparing comparative example 3 with example 3, it was found that the addition of mordenite greatly improved the thermal insulation properties of the coating. In addition, the contact angles of the examples and the comparative examples provided by the invention can reach more than 150 degrees, which shows that the self-cleaning performance is good; the VOC index is also qualified, which indicates that the coating is more environment-friendly.
The above embodiments of the present invention do not limit the scope of the present invention.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (5)
1. The water-based heat-insulating exterior wall coating is characterized by comprising the following components: nano SiO2Granules, acrylic emulsion, composite TiO2/ZrO2The nano-mordenite coating comprises aerogel, cellulose aerogel, nano mordenite, titanium dioxide and an auxiliary agent, wherein the auxiliary agent comprises one of a dispersing agent, a wetting agent, a thickening agent, a defoaming agent, a film-forming auxiliary agent and an antifreezing agentOne or more of the above-mentioned raw materials; the weight parts of the components are as follows: nano SiO210-20 parts of particles; 20-40 parts of acrylic emulsion; composite TiO2/ZrO22-8 parts of aerogel; 5-10 parts of cellulose aerogel; 15-30 parts of nano mordenite; 15-30 parts of titanium dioxide; 1-8 parts of an auxiliary agent; 10-35 parts of water; in the acrylic emulsion, the hydroxyl content is 2.5% -6%; the solid content is 50-60%; the viscosity is 1200-2200 pascal seconds; the composite TiO2/ZrO2The preparation method of the aerogel comprises the following steps: (1) dissolving isopropyl titanate and tetrabutyl zirconate in absolute ethyl alcohol to obtain a mixed solution; (2) heating the mixed solution at 40 ℃ in a water bath under stirring for 12 hours, adding formamide, and stirring for 10 minutes to obtain mixed sol; (3) adding epoxypropane into the mixed sol for coagulation regulation to obtain a composite wet gel; (4) aging the mixed wet gel in a 40 ℃ oven for 48 hours, wherein absolute ethyl alcohol is used for replacing the mixed wet gel once every 24 hours to obtain composite aged gel; (5) using supercritical CO for the composite aged gel2Drying to obtain the composite TiO2/ZrO2An aerogel.
2. The aqueous thermal insulation exterior wall coating material of claim 1, wherein the nano SiO is2The average particle size of the particles is 30-40nm, and the average particle size of the nano mordenite is 100-120 nm.
3. The water-based heat-insulating exterior wall coating material as claimed in claim 1, wherein the dispersant is sodium hexametaphosphate or 5040; the wetting agent comprises CO-630; the thickener comprises hydroxyethyl cellulose; the defoamer comprises a mineral oil or silicone defoamer; the film forming additive comprises dodecyl alcohol ester; the antifreeze agent comprises ethylene glycol.
4. A method for preparing the water-based heat-insulating exterior wall coating material as claimed in any one of claims 1 to 3, which comprises the following steps: (1) adding cellulose aerogel, nano mordenite and titanium dioxide into deionized water, and uniformly dispersing to obtain a mixed solution; (2) mixing nano SiO2Mixing the particles with the acrylic emulsion, and adding the mixture into the mixed solution to obtain a primary coating; (3) adding composite TiO into the primary coating2/ZrO2Aerogel and auxiliary agent to obtain the water-based heat-insulating exterior wall coating.
5. The method of claim 4, comprising the steps of: (1) adding cellulose aerogel, nano mordenite and titanium dioxide into deionized water, stirring for 3 hours at 500 revolutions per minute, and uniformly dispersing to obtain a mixed solution; (2) mixing nano SiO2Mixing the particles and the acrylic emulsion, adding the mixture into the mixed solution, and stirring the mixture for 1 hour at 200 revolutions per minute to obtain a primary coating; (3) adding composite TiO into the primary coating2/ZrO2And (3) stirring the aerogel and the auxiliary agent for 0.5 hour at 500 revolutions per minute to obtain the water-based heat-insulating exterior wall coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544595.5A CN108610823B (en) | 2018-05-31 | 2018-05-31 | Water-based heat-insulating exterior wall coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544595.5A CN108610823B (en) | 2018-05-31 | 2018-05-31 | Water-based heat-insulating exterior wall coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108610823A CN108610823A (en) | 2018-10-02 |
| CN108610823B true CN108610823B (en) | 2020-05-29 |
Family
ID=63664573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544595.5A Active CN108610823B (en) | 2018-05-31 | 2018-05-31 | Water-based heat-insulating exterior wall coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108610823B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480766A (en) * | 2020-11-28 | 2021-03-12 | 河南省阳光防腐涂装有限公司 | Green environment-friendly energy-saving heat-insulating coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079949A (en) * | 2010-12-22 | 2011-06-01 | 李志� | Preparation method of nanometer aerogel heat-insulation coating |
| CN102719129A (en) * | 2012-07-05 | 2012-10-10 | 河南工业大学 | Preparation method of silica aerogel aqueous heat-insulating coating |
| CN105419597A (en) * | 2015-10-22 | 2016-03-23 | 北京华阳禾生能源技术发展有限公司 | Environmentally-friendly heat insulating coating |
| CN106752526A (en) * | 2016-12-23 | 2017-05-31 | 沈阳化工研究院有限公司 | A kind of aqueous light reflection industrial heat preservation coating and preparation method thereof |
-
2018
- 2018-05-31 CN CN201810544595.5A patent/CN108610823B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079949A (en) * | 2010-12-22 | 2011-06-01 | 李志� | Preparation method of nanometer aerogel heat-insulation coating |
| CN102719129A (en) * | 2012-07-05 | 2012-10-10 | 河南工业大学 | Preparation method of silica aerogel aqueous heat-insulating coating |
| CN105419597A (en) * | 2015-10-22 | 2016-03-23 | 北京华阳禾生能源技术发展有限公司 | Environmentally-friendly heat insulating coating |
| CN106752526A (en) * | 2016-12-23 | 2017-05-31 | 沈阳化工研究院有限公司 | A kind of aqueous light reflection industrial heat preservation coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108610823A (en) | 2018-10-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106700789B (en) | Water-based building energy-saving coating and preparation method thereof | |
| CN102585626B (en) | Water-based fluorocarbon heat insulation coating and preparation method | |
| CN104004423B (en) | A kind of multi-functional environment-protection waterproof paint | |
| CN106433357B (en) | A kind of industrial heat insulating coatings | |
| CN102311690A (en) | Waterborne exterior elastic reflective heat insulation coating and production method thereof | |
| CN101786900B (en) | Preparation method of quaternary xerogel | |
| CN101831229A (en) | Hollow microsphere thermal insulation coating and production method thereof | |
| CN108610823B (en) | Water-based heat-insulating exterior wall coating and preparation method thereof | |
| CN111675941A (en) | Preparation method of water-based heat-insulating and cooling coating | |
| CN103614027A (en) | Outdoor aqueous woodenware matte clean finishing coat and its preparation method | |
| CN108822663B (en) | Composite water-based heat-insulating exterior wall coating and preparation method thereof | |
| CN108948835A (en) | A kind of novel antibacterial thermal insulation coatings and preparation method thereof | |
| WO2022198961A1 (en) | Graphene-modified waterborne elastic coating composition and preparation method therefor | |
| CN104059454B (en) | A kind of water-repellent paint and preparation method thereof | |
| CN108059891B (en) | Waterproof heat-insulating coating with ultrahigh viscosity and high sunlight reflectance and preparation method thereof | |
| CN107118633A (en) | A kind of antibacterial high-temperature-resistant antistatic coating | |
| CN105348875B (en) | A kind of Alumina gel is modified the inorganic interior wall coating of sodium silicate | |
| CN112724755A (en) | Building exterior wall heat insulation coating and preparation method thereof | |
| KR101219687B1 (en) | Insulation coating composition for preventing dew condensation | |
| CN108373717A (en) | Environment-friendly type nano reflective heat-insulation paint | |
| CN104478301A (en) | Water-borne ultrathin type fireproof heat insulating material and preparation method thereof | |
| CN108300290A (en) | A kind of heat preservation environment protection metal door and window coating and preparation method thereof | |
| RU2514940C1 (en) | Dyeing multifunctional protective coating | |
| CN110724428A (en) | Special primer for heat insulation and preparation method thereof | |
| CN104277639A (en) | Abrasion-resistant bactericidal self-cleaning waterproof coating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200430 Address after: 321000 unit A-B, building 9, No. 588, Dengyun street, Tangxi Town, Wucheng District, Jinhua City, Zhejiang Province Applicant after: Zhejiang Tianyi new material Co., Ltd Address before: Huiying economic and Technological Development Zone Jiaozhou city Shandong province Qingdao 266000 Street No. 2 Applicant before: QINGDAO HANXING INTELLECTUAL PROPERTY OPERATION MANAGEMENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a waterborne heat insulation exterior wall coating and a preparation method thereof Effective date of registration: 20220506 Granted publication date: 20200529 Pledgee: Bank of China Limited by Share Ltd. Development Zone Jinhua subbranch Pledgor: Zhejiang Tianyi new material Co.,Ltd. Registration number: Y2022330000642 |