CN112480813A - Weather-resistant building waterproof coating and preparation method thereof - Google Patents
Weather-resistant building waterproof coating and preparation method thereof Download PDFInfo
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- CN112480813A CN112480813A CN202011464962.4A CN202011464962A CN112480813A CN 112480813 A CN112480813 A CN 112480813A CN 202011464962 A CN202011464962 A CN 202011464962A CN 112480813 A CN112480813 A CN 112480813A
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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
- C09D183/00—Coating 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
- C09D183/04—Polysiloxanes
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
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- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
- C08K2003/2262—Oxides; Hydroxides of metals of manganese
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a weather-resistant building waterproof coating and a preparation method thereof, wherein the weather-resistant building waterproof coating comprises the following raw materials in parts by weight: 100-200 parts of organic siloxane, 8-10 parts of an emulsifier, 10-20 parts of nano particles, 4-8 parts of a curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide; in the nano metal oxide modified graphene oxide, nano metal oxide is embedded into an interlayer structure of the graphene oxide, and the nano metal oxide accounts for 10-50% of the mass of the graphene oxide; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide. The product obtained by the invention has excellent weather resistance, and the service life of the waterproof function of the product can be effectively prolonged.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a weather-resistant building waterproof coating and a preparation method thereof.
Background
The building waterproof coating has the characteristics of simple and convenient construction and strong adaptability to complex structures, and is used in large amount in building construction. The waterproof coating is mainly used for waterproofing, moistureproof, seepage prevention and the like of some structural parts of buildings which are possibly corroded by water, so that certain requirements on high and low temperature resistance and corrosion resistance of the waterproof coating are met. The existing building waterproof coating mainly comprises a polyurethane waterproof coating, a polymer cement waterproof coating and an organosilicon waterproof coating, wherein the organosilicon waterproof coating is widely applied.
The organosilicon waterproof coating is divided into water-based environment-friendly waterproof coating and solvent-based organosilicon waterproof coating. The water environment-friendly waterproof coating is prepared by taking silicon rubber latex and nano composite latex thereof as main base materials and mixing inorganic filler and various auxiliary agents. The solvent-type organosilicon waterproof coating is prepared by mixing active organosiloxane and active organosilicon resin, uniformly stirring, adding alcohol serving as a solvent under the protection of inert gas, adding a catalyst to form a premix, stirring the premix, aging for reaction for 1 hour, and packaging under the protection of nitrogen. However, in the use process of the existing waterproof coating, the capillary pores of the base material are easily sealed by the waterproof film formed by curing, so that moisture in the base cannot be dissipated from the wall, a stress concentration area is easily formed at the interface between the waterproof coating and the base material as time passes, and the interface gradually falls off along with the accumulation of stress and the expansion and contraction caused by the change of air temperature in the natural environment, so that the weather resistance of the waterproof film of the product is poor, and the service life of the waterproof film is short.
Therefore, it is of great interest to develop a waterproof coating material that does not prevent moisture from escaping, has good weather resistance of the waterproof film, and has a long service life.
Disclosure of Invention
The invention aims to provide a weather-resistant building waterproof coating and a preparation method thereof, and aims to solve the problems that in the prior art, after the waterproof coating is used, capillary pores of a substrate material are easily sealed, so that moisture in the substrate cannot escape from a wall, and the interface gradually falls off along with the accumulation of stress and the expansion and contraction caused by temperature change in the natural environment, so that the weather resistance of a waterproof film of a product is poor.
In order to achieve the purpose, the invention provides the following technical scheme:
a weather-resistant building waterproof coating comprises the following raw materials in parts by weight:
100-200 parts of organic siloxane, 8-10 parts of an emulsifier, 10-20 parts of nano particles, 4-8 parts of a curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide;
in the nano metal oxide modified graphene oxide, nano metal oxide is embedded into an interlayer structure of the graphene oxide, and the nano metal oxide accounts for 10-50% of the mass of the graphene oxide; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide.
A preparation method of weather-resistant building waterproof paint comprises the following specific preparation steps:
preparing nano metal oxide modified graphene oxide:
dispersing graphene oxide in water, adding nano metal oxide accounting for 10-50% of the mass of the graphene oxide, performing ultrasonic dispersion, performing suction filtration, collecting a filter cake, and drying the filter cake to obtain nano metal oxide modified graphene oxide;
the preparation of the weather-resistant building waterproof coating comprises the following steps:
according to the weight parts, sequentially taking 100-200 parts of organic siloxane, 8-10 parts of emulsifier, 10-20 parts of nano particles, 4-8 parts of curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide; adding water, an emulsifier, a curing agent, nano particles and nano metal oxide modified graphene oxide into a reactor, heating and stirring, adding organic siloxane, continuously stirring at constant temperature for reaction, carrying out high-pressure homogenization treatment, adjusting the pH value to acidity by using hydrochloric acid, and discharging to obtain the weather-resistant building waterproof coating; the organic siloxane is any one of hydroxyl-terminated polydimethylsiloxane, carboxyl-terminated polydimethylsiloxane or amino-terminated polydimethylsiloxane; the emulsifier is an anionic surfactant; the anionic surfactant is any one of sodium dodecyl benzene sulfonate, anionic polyacrylamide, triethanolamine, sodium higher fatty acid and sodium dodecyl sulfate; the curing agent is any one of triethanolamine or polyamide curing agent 651; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme, the graphene oxide is modified by the nano metal oxide, in the modification process, firstly, the graphene oxide with a layered structure is peeled off under the cavitation action of ultrasonic waves to form a monolithic layer structure, then, the nano metal oxide is added, at the moment, the nano metal oxide can be mutually adsorbed with polar functional groups such as hydroxyl, epoxy and the like in the graphene oxide interlayer structure, in the subsequent suction filtration process, the graphene oxide interlayer structure can be recombined under the suction filtration pressure action, the nano metal oxide is embedded between the graphene oxide layers, and the original smooth graphene oxide surface is converted into a mastoid structure with a nano size under the suction filtration pressure action; after a waterproof coating paint film is cured, the mastoid structure forms a hydrophobic bionic structure similar to a lotus leaf on the surface of the substrate, and the contact angle can reach more than 150 degrees, so that the mastoid structure is prevented from being wetted by water; due to the existence of the nano-grade sold oxide, the distance between graphene oxide layers can be widened to a certain degree, so that gas can smoothly pass through the interlayer structure of the graphene oxide and diffuse to the outside; finally, the product can ensure a good hydrophobic effect, and can smoothly discharge moisture in the product, thereby effectively solving a series of problems caused by the fact that the moisture in the substrate cannot be dissipated from the wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
A weather-resistant building waterproof coating comprises the following raw materials in parts by weight:
100-200 parts of organic siloxane, 8-10 parts of an emulsifier, 10-20 parts of nano particles, 4-8 parts of a curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide;
in the nano metal oxide modified graphene oxide, nano metal oxide is embedded into an interlayer structure of the graphene oxide, and the nano metal oxide accounts for 10-50% of the mass of the graphene oxide; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide.
Further, the organosiloxane is any one of hydroxyl-terminated polydimethylsiloxane, carboxyl-terminated polydimethylsiloxane or amino-terminated polydimethylsiloxane.
Further, the emulsifier is an anionic surfactant; the anionic surfactant is any one of sodium dodecyl benzene sulfonate, anionic polyacrylamide, triethanolamine, sodium higher fatty acid and sodium dodecyl sulfate.
Further, the nanoparticles are spherical nanoparticles.
Further, the spherical nano-particles are any one of spherical nano-titanium dioxide and spherical nano-silicon dioxide.
Further, the spherical nanoparticles are coupling agent modified spherical nanoparticles; the coupling agent is any one of titanate coupling agent, silane coupling agent or aluminate coupling agent.
Further, the curing agent is any one of triethanolamine or polyamide curing agent 651.
A preparation method of weather-resistant building waterproof paint comprises the following specific preparation steps:
preparing nano metal oxide modified graphene oxide:
dispersing graphene oxide in water, adding nano metal oxide accounting for 10-50% of the mass of the graphene oxide, performing ultrasonic dispersion, performing suction filtration, collecting a filter cake, and drying the filter cake to obtain nano metal oxide modified graphene oxide;
the preparation of the weather-resistant building waterproof coating comprises the following steps:
according to the weight parts, sequentially taking 100-200 parts of organic siloxane, 8-10 parts of emulsifier, 10-20 parts of nano particles, 4-8 parts of curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide; adding water, an emulsifier, a curing agent, nano particles and nano metal oxide modified graphene oxide into a reactor, heating and stirring, adding organic siloxane, continuously stirring at constant temperature for reaction, carrying out high-pressure homogenization treatment, adjusting the pH value to acidity by using hydrochloric acid, and discharging to obtain the weather-resistant building waterproof coating; the organic siloxane is any one of hydroxyl-terminated polydimethylsiloxane, carboxyl-terminated polydimethylsiloxane or amino-terminated polydimethylsiloxane; the emulsifier is an anionic surfactant; the anionic surfactant is any one of sodium dodecyl benzene sulfonate, anionic polyacrylamide, triethanolamine, sodium higher fatty acid and sodium dodecyl sulfate; the curing agent is any one of triethanolamine or polyamide curing agent 651; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide.
Further, the preparation method comprises the following specific steps:
modification of nanoparticles:
adding nanoparticles into an ethanol solution with the mass fraction of 10-70%, wherein the mass ratio of the nanoparticles to the ethanol solution is 1: 10-1: 20; then dropwise adding a coupling agent accounting for 10-20% of the mass of the nano particles, stirring for reaction, filtering, washing and drying to obtain modified nano particles; the nano particles are any one of spherical nano titanium dioxide and spherical nano silicon dioxide; the coupling agent is any one of titanate coupling agent, silane coupling agent or aluminate coupling agent.
Example 1
Modification of nanoparticles:
adding nanoparticles into an ethanol solution with the mass fraction of 10%, wherein the mass ratio of the nanoparticles to the ethanol solution is 1: 10; then dropwise adding a coupling agent accounting for 10% of the mass of the nano particles, stirring for reaction, filtering, washing and drying to obtain modified nano particles; the nano particles are spherical nano titanium dioxide; the coupling agent is a titanate coupling agent;
preparing nano metal oxide modified graphene oxide:
dispersing graphene oxide in water, adding nano metal oxide accounting for 10% of the mass of the graphene oxide, performing ultrasonic dispersion, performing suction filtration, collecting a filter cake, and drying the filter cake to obtain nano metal oxide modified graphene oxide;
the preparation of the weather-resistant building waterproof coating comprises the following steps:
according to the weight parts, 100 parts of organic siloxane, 8 parts of emulsifier, 10 parts of nano-particles, 4 parts of curing agent, 100 parts of water and 20 parts of nano-metal oxide modified graphene oxide are taken in sequence; adding water, an emulsifier, a curing agent, nano particles and nano metal oxide modified graphene oxide into a reactor, heating and stirring, adding organic siloxane, continuously stirring at constant temperature for reaction, carrying out high-pressure homogenization treatment, adjusting the pH value to 4.5 by using hydrochloric acid, and discharging to obtain the weather-resistant building waterproof coating; the organic siloxane is hydroxyl-terminated polydimethylsiloxane; the emulsifier is an anionic surfactant; the anionic surfactant is sodium dodecyl benzene sulfonate; the curing agent is triethanolamine; the nano metal oxide is nano aluminum oxide.
Example 2
Modification of nanoparticles:
adding nanoparticles into an ethanol solution with the mass fraction of 70%, wherein the mass ratio of the nanoparticles to the ethanol solution is 1: 20; then, dropwise adding a coupling agent accounting for 20% of the mass of the nano particles, stirring for reaction, filtering, washing and drying to obtain modified nano particles; the nano particles are spherical nano silicon dioxide; the coupling agent is a silane coupling agent;
preparing nano metal oxide modified graphene oxide:
dispersing graphene oxide in water, adding a nano metal oxide accounting for 50% of the mass of the graphene oxide, performing ultrasonic dispersion, performing suction filtration, collecting a filter cake, and drying the filter cake to obtain nano metal oxide modified graphene oxide;
the preparation of the weather-resistant building waterproof coating comprises the following steps:
according to the weight parts, 200 parts of organic siloxane, 10 parts of emulsifier, 20 parts of nano particles, 8 parts of curing agent, 150 parts of water and 30 parts of nano metal oxide modified graphene oxide are taken in sequence; adding water, an emulsifier, a curing agent, nano particles and nano metal oxide modified graphene oxide into a reactor, heating and stirring, adding organic siloxane, continuously stirring at constant temperature for reaction, carrying out high-pressure homogenization treatment, adjusting the pH value to 6.0 by using hydrochloric acid, and discharging to obtain the weather-resistant building waterproof coating; the organic siloxane is carboxyl-terminated polydimethylsiloxane; the emulsifier is an anionic surfactant; the anionic surfactant is anionic polyacrylamide; the curing agent is a polyamide curing agent 651; the nano metal oxide is nano manganese dioxide.
Example 3
Modification of nanoparticles:
adding nanoparticles into an ethanol solution with the mass fraction of 50%, wherein the mass ratio of the nanoparticles to the ethanol solution is 1: 15; then dropwise adding a coupling agent accounting for 15% of the mass of the nano particles, stirring for reaction, filtering, washing and drying to obtain modified nano particles; the nano particles are spherical nano titanium dioxide; the coupling agent is an aluminate coupling agent;
preparing nano metal oxide modified graphene oxide:
dispersing graphene oxide in water, adding a nano metal oxide accounting for 40% of the mass of the graphene oxide, performing ultrasonic dispersion, performing suction filtration, collecting a filter cake, and drying the filter cake to obtain nano metal oxide modified graphene oxide;
the preparation of the weather-resistant building waterproof coating comprises the following steps:
according to the weight parts, 150 parts of organic siloxane, 9 parts of emulsifier, 15 parts of nano particles, 5 parts of curing agent, 120 parts of water and 25 parts of nano metal oxide modified graphene oxide are taken in sequence; adding water, an emulsifier, a curing agent, nano particles and nano metal oxide modified graphene oxide into a reactor, heating and stirring, adding organic siloxane, continuously stirring at constant temperature for reaction, carrying out high-pressure homogenization treatment, adjusting the pH value to 5.5 by using hydrochloric acid, and discharging to obtain the weather-resistant building waterproof coating; the organic siloxane is amino-terminated polydimethylsiloxane; the emulsifier is an anionic surfactant; the anionic surfactant is higher fatty acid sodium; the curing agent is a polyamide curing agent 651; the nano metal oxide is nano zirconia.
Comparative example 1
Compared with example 1, the substituted nano metal oxide modified graphene oxide with the same mass as that of the common graphene oxide is adopted, and the rest conditions are kept unchanged.
The products obtained in examples 1 to 3 and comparative example 1 were subjected to performance tests, and the specific test methods and test results were as follows:
1. and (3) testing the permeability: preparing concrete blocks of 10cm multiplied by 10cm, curing the concrete blocks in a standard curing box for 28 days, drying in a 60 ℃ drying oven to constant weight, respectively coating the nano inorganic powder modified organosilicon waterproof coating and the organosilicon waterproof coating obtained in the comparative example on the surfaces of the concrete blocks, drying the concrete blocks coated with the waterproof coating at room temperature for 1 day, vertically splitting, wetting with water, and testing the penetration depth of the waterproof coating of each test block;
2. water absorption test: respectively weighing the concrete block coated with the nano inorganic powder modified organosilicon waterproof coating and the concrete block coated with the organosilicon waterproof coating obtained in the control example, putting the concrete blocks on a metal shelf in a container, confirming that the test surface is downward, adding distilled water at a standard test temperature, keeping the liquid level higher than the shelf by 3mm, taking out the concrete block after 24 hours, sucking water by using towel paper, and immediately weighing;
3. scrub resistance test: respectively placing the concrete block coated with the nano inorganic powder modified organosilicon waterproof coating and the concrete block coated with the organosilicon waterproof coating obtained in the control example on a scrub resistance tester to perform a parallel scrubbing test;
4. the coating resists temperature change: the concrete block coated with the nano inorganic powder modified organosilicon waterproof coating and the concrete block coated with the organosilicon waterproof coating obtained in the control example are respectively put into a constant temperature box at 90 +/-2 ℃ for 240 hours, taken out and placed at room temperature for 0.5 hour, then put into a low temperature box at (-20 +/-2) ℃ for 24 hours, and then taken out and placed at room temperature for 0.5 hour.
The specific test results are shown in table 1:
table 1: product performance test results
The test results show that the product obtained by the invention has good weather resistance and waterproof performance, can ensure that the product keeps excellent waterproof performance in a longer use process, and is not easy to crack and pulverize in the use process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference thereto is therefore intended to be embraced therein.
Claims (9)
1. The weather-resistant building waterproof coating is characterized by comprising the following raw materials in parts by weight:
100-200 parts of organic siloxane, 8-10 parts of an emulsifier, 10-20 parts of nano particles, 4-8 parts of a curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide;
in the nano metal oxide modified graphene oxide, nano metal oxide is embedded into an interlayer structure of the graphene oxide, and the nano metal oxide accounts for 10-50% of the mass of the graphene oxide; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide.
2. The weather-resistant building waterproof paint as claimed in claim 1, wherein the organosiloxane is any one of hydroxyl-terminated polydimethylsiloxane, carboxyl-terminated polydimethylsiloxane or amino-terminated polydimethylsiloxane.
3. The weather-resistant architectural waterproof coating according to claim 1, wherein said emulsifier is an anionic surfactant; the anionic surfactant is any one of sodium dodecyl benzene sulfonate, anionic polyacrylamide, triethanolamine, sodium higher fatty acid and sodium dodecyl sulfate.
4. The weather-resistant building waterproof coating material of claim 1, wherein the nanoparticles are spherical nanoparticles.
5. The weather-resistant building waterproof paint as claimed in claim 4, wherein the spherical nano particles are any one of spherical nano titanium dioxide and spherical nano silicon dioxide.
6. The weather-resistant building waterproof coating material as claimed in claim 4, wherein: the spherical nano-particles are coupling agent modified spherical nano-particles; the coupling agent is any one of titanate coupling agent, silane coupling agent or aluminate coupling agent.
7. The weather-resistant building waterproof paint as claimed in claim 1, wherein the curing agent is any one of triethanolamine or polyamide curing agent 651.
8. A preparation method of weather-resistant building waterproof paint is characterized by comprising the following specific preparation steps:
preparing nano metal oxide modified graphene oxide:
dispersing graphene oxide in water, adding nano metal oxide accounting for 10-50% of the mass of the graphene oxide, performing ultrasonic dispersion, performing suction filtration, collecting a filter cake, and drying the filter cake to obtain nano metal oxide modified graphene oxide;
the preparation of the weather-resistant building waterproof coating comprises the following steps:
according to the weight parts, sequentially taking 100-200 parts of organic siloxane, 8-10 parts of emulsifier, 10-20 parts of nano particles, 4-8 parts of curing agent, 100-150 parts of water and 20-30 parts of nano metal oxide modified graphene oxide; adding water, an emulsifier, a curing agent, nano particles and nano metal oxide modified graphene oxide into a reactor, heating and stirring, adding organic siloxane, continuously stirring at constant temperature for reaction, carrying out high-pressure homogenization treatment, adjusting the pH value to acidity by using hydrochloric acid, and discharging to obtain the weather-resistant building waterproof coating; the organic siloxane is any one of hydroxyl-terminated polydimethylsiloxane, carboxyl-terminated polydimethylsiloxane or amino-terminated polydimethylsiloxane; the emulsifier is an anionic surfactant; the anionic surfactant is any one of sodium dodecyl benzene sulfonate, anionic polyacrylamide, triethanolamine, sodium higher fatty acid and sodium dodecyl sulfate; the curing agent is any one of triethanolamine or polyamide curing agent 651; the nano metal oxide is any one of nano aluminum oxide, nano magnesium oxide, nano titanium dioxide, nano manganese dioxide, nano zirconium oxide and nano iron oxide.
9. The preparation method of the weather-resistant building waterproof coating as claimed in claim 8, wherein the preparation method comprises the following specific steps:
modification of nanoparticles:
adding nanoparticles into an ethanol solution with the mass fraction of 10-70%, wherein the mass ratio of the nanoparticles to the ethanol solution is 1: 10-1: 20; then dropwise adding a coupling agent accounting for 10-20% of the mass of the nano particles, stirring for reaction, filtering, washing and drying to obtain modified nano particles; the nano particles are any one of spherical nano titanium dioxide and spherical nano silicon dioxide; the coupling agent is any one of titanate coupling agent, silane coupling agent or aluminate coupling agent.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116535892A (en) * | 2023-06-30 | 2023-08-04 | 济南天荣祥混凝土有限公司 | Preparation process of concrete surface coating impervious agent and cement-based waterproof impervious coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014070822A1 (en) * | 2012-10-31 | 2014-05-08 | Nano Labs Corp. | Nanotechnological thermal insulating coating and uses thereof |
| CN103787328A (en) * | 2014-03-11 | 2014-05-14 | 华南师范大学 | Modified grapheme preparation method |
| KR101468334B1 (en) * | 2013-11-11 | 2014-12-04 | 성균관대학교산학협력단 | Method for manufacturing of carbon nanoparticles arranged conductive substrate having high transmittance·super hydrorepellent |
| CN107267061A (en) * | 2017-06-28 | 2017-10-20 | 常州蓝旗亚纺织品有限公司 | A kind of nano inorganic powder modified organic silicon water-repellent paint |
| CN107400396A (en) * | 2017-07-26 | 2017-11-28 | 青岛科技大学 | A kind of graphene nano particulate composite and preparation method thereof |
| CN109370435A (en) * | 2018-10-30 | 2019-02-22 | 青岛明象新材料技术有限公司 | A kind of graphene nano silicon water-repellent paint and preparation method thereof |
-
2020
- 2020-12-14 CN CN202011464962.4A patent/CN112480813A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014070822A1 (en) * | 2012-10-31 | 2014-05-08 | Nano Labs Corp. | Nanotechnological thermal insulating coating and uses thereof |
| KR101468334B1 (en) * | 2013-11-11 | 2014-12-04 | 성균관대학교산학협력단 | Method for manufacturing of carbon nanoparticles arranged conductive substrate having high transmittance·super hydrorepellent |
| CN103787328A (en) * | 2014-03-11 | 2014-05-14 | 华南师范大学 | Modified grapheme preparation method |
| CN107267061A (en) * | 2017-06-28 | 2017-10-20 | 常州蓝旗亚纺织品有限公司 | A kind of nano inorganic powder modified organic silicon water-repellent paint |
| CN107400396A (en) * | 2017-07-26 | 2017-11-28 | 青岛科技大学 | A kind of graphene nano particulate composite and preparation method thereof |
| CN109370435A (en) * | 2018-10-30 | 2019-02-22 | 青岛明象新材料技术有限公司 | A kind of graphene nano silicon water-repellent paint and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116535892A (en) * | 2023-06-30 | 2023-08-04 | 济南天荣祥混凝土有限公司 | Preparation process of concrete surface coating impervious agent and cement-based waterproof impervious coating |
| CN116535892B (en) * | 2023-06-30 | 2023-08-29 | 济南天荣祥混凝土有限公司 | Preparation process of concrete surface coating impervious agent and cement-based waterproof impervious coating |
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