CN113122096A - Transparent water-based waterproof coating for buildings and preparation method thereof - Google Patents
Transparent water-based waterproof coating for buildings and preparation method thereof Download PDFInfo
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- CN113122096A CN113122096A CN202110433011.9A CN202110433011A CN113122096A CN 113122096 A CN113122096 A CN 113122096A CN 202110433011 A CN202110433011 A CN 202110433011A CN 113122096 A CN113122096 A CN 113122096A
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- 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
- C09D133/04—Homopolymers or copolymers of esters
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- 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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- 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
- C09D131/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- 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
- 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
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- 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
- C09D5/08—Anti-corrosive paints
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- 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
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
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- 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
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- 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
- C09D7/63—Additives non-macromolecular organic
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- 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
- C09D7/65—Additives macromolecular
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/324—Alkali metal phosphate
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- Life Sciences & Earth Sciences (AREA)
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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- Inorganic Chemistry (AREA)
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Abstract
The transparent water-based waterproof coating for the building comprises the following raw materials in percentage by mass: 25-38% of acrylic emulsion, 2.1-3.1% of surfactant, 2.8-4.2% of dioctyl sodium sulfosuccinate, 0.8-1.6% of nano silica sol, 0.1-0.5% of ultraviolet absorbent, 0.2-0.7% of sodium dihydrogen phosphate, 0.2-0.7% of disodium hydrogen phosphate, 1.1-2% of polymaleic anhydride and 53-65% of water; the invention also comprises a preparation method thereof. The waterproof paint is resistant to acid and alkali corrosion, high in water pressure resistance, excellent in comprehensive mechanical property, simple in preparation method, environment-friendly, free of pollution, convenient to use, capable of being sprayed and brushed, capable of being widely applied to waterproofing of building outer walls, and capable of providing long-term waterproof protection effects for buildings.
Description
Technical Field
The invention relates to a waterproof coating for buildings and a preparation method thereof, in particular to a transparent waterproof coating for buildings and a preparation method thereof.
Background
The waterproof paint is a high-molecular flexible water-transparent colorless outer wall waterproof paint prepared by taking special copolymer emulsion as a base material and adding a modifier, a surfactant, a plasticizer and the like. The waterproof film formed by curing the waterproof coating has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, and can play roles in waterproofing, seepage prevention and protection.
The current waterproof measures adopted in the outer wall project without covering the bottom generally include: spraying organic silicon and water glass waterproof materials, rolling pure emulsion, and using (organic) solvent type waterproof paint. After the organosilicon waterproofing agent reacts with hydroxyl, the organosilicon waterproofing agent has a hydrophobic effect, rainwater slides along a wall, but the organosilicon waterproofing agent does not have the water pressure resistance, if the water pressure is high, the waterproofing effect is lost, and the material has poor weather resistance; the penetration depth of the water glass waterproof material in a facade wall is limited, the waterproof condition is strict, the wall is required to be saturated in moisture before construction, the wall has no release agent oil dirt, and the water glass waterproof material is ineffective; the EVA emulsion has poor water resistance, so the application of the EVA emulsion is limited; the pure acrylic emulsion has relatively good weather resistance, but has poor stain resistance, is sticky with oil and ash, is easy to cause dirt and dust on the wall surface, leads to bottom covering and has poor transparency; the solvent-based waterproof coating has good physical properties and good aging resistance, but the solvent is easy to volatilize, can pollute the environment, is easy to cause accidents in construction, and is forbidden to be used in some projects.
At present, the widely used coating in China is various in variety, however, the construction of the existing coating is generally time-consuming and labor-consuming, and the construction of part of the coating can emit unpleasant gas to cause certain damage to human health. As for the present situation, the waterproofing of the building periphery (outer wall) is still a weak link in the waterproofing of the building.
CN103614063A discloses a transparent water-based waterproof coating for buildings and a preparation method thereof, wherein the waterproof coating comprises the following components in parts by weight: 70-80% of a water-soluble polymer material; 0.8-1.6% of film-forming additive; 0.8-1.6% of an accelerator; 0.5-1.0% of nano material; 0.02-0.06% of a penetrating agent; 0.3-0.8% of ultraviolet absorbent; 0.5-1.2% of a thickening agent; 0.1-0.3% of defoaming agent; the balance of water. The coating disclosed by the invention is resistant to pollution, good in weather resistance, excellent in physical and mechanical properties and waterproof performance, good in transparency and free of bottom shading. But the compatibility of all components is poor, and the flexibility of the coating also has a space for improving.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a transparent water-based waterproof coating for buildings and a preparation method thereof; the coating is acid and alkali corrosion resistant, high in water pressure resistance and excellent in comprehensive mechanical property.
The technical scheme adopted by the invention for solving the technical problems is as follows: a transparent water-based waterproof coating for buildings comprises the following raw materials in percentage by mass: 25 to 38 percent of acrylic emulsion, 2.1 to 3.1 percent of surfactant, 2.8 to 4.2 percent of dioctyl sodium sulfosuccinate, 0.8 to 1.6 percent of nano silica sol, 0.1 to 0.5 percent of ultraviolet absorbent, 0.2 to 0.7 percent of sodium dihydrogen phosphate, 0.2 to 0.7 percent of disodium hydrogen phosphate, 1.1 to 2 percent of polymaleic anhydride and 53 to 65 percent of water.
The transparent water-based waterproof coating for buildings is preferably prepared from the following raw materials in percentage by mass: 27-35% of acrylic emulsion, 2.4-2.9% of surfactant, 3-4% of dioctyl sodium sulfosuccinate, 0.95-1.5% of nano silica sol, 0.15-0.4% of ultraviolet absorbent, 0.3-0.62% of sodium dihydrogen phosphate, 0.3-0.62% of disodium hydrogen phosphate, 1.2-1.8% of polymaleic anhydride and 56-62% of water.
The transparent water-based waterproof coating for buildings is prepared from the following raw materials in percentage by mass: 27.7 to 33.95 percent of acrylic emulsion, 2.5 to 2.8 percent of surfactant, 3.15 to 3.9 percent of dioctyl sodium sulfosuccinate, 1.05 to 1.4 percent of nano silica sol, 0.18 to 0.35 percent of ultraviolet absorbent, 0.35 to 0.57 percent of sodium dihydrogen phosphate, 0.35 to 0.57 percent of disodium hydrogen phosphate, 1.3 to 1.75 percent of polymaleic anhydride and 56.6 to 61.7 percent of water.
Preferably, the acrylic emulsion is one or more than two of pure acrylic emulsion, silicone acrylic emulsion, styrene-acrylic emulsion and vinyl acetate acrylic emulsion.
Preferably, the surfactant is one or two of Span80, OP-10, sodium abietate and TX-10.
Preferably, the solid content of the nano silica sol is 40%, and the particle size of the nano silica is 800-1000 nm.
Preferably, the ultraviolet light absorber is UV-531 (i.e., 2-hydroxy-4-n-octoxybenzophenone).
Preferably, the polymaleic anhydride is 400-800 molecular weight.
The preparation method of the transparent water-based waterproof coating for buildings comprises the following steps: adding acrylic emulsion, surfactant, dioctyl sodium sulfosuccinate, ultraviolet absorbent, polymaleic anhydride and water into a reactor, stirring uniformly, adding nano silica sol, sodium dihydrogen phosphate and disodium hydrogen phosphate, and mixing uniformly to obtain the product.
Compared with the prior art, the invention has the following advantages:
(1) the nano silica sol in the coating rapidly permeates into the base layer under the action of the penetrant and capillary siphoning of the base layer, the nano silica sol reacts with alkaline substances of the base layer to generate insoluble hydrated silicate to block capillary pores of the base layer, so that the water-tight pressure of the base layer is enhanced, the damage of water pressure or steam pressure of the base layer to a waterproof coating is avoided, a waterproof layer which is not changed for the whole life is formed, and the waterproof coating has the advantages of high wear resistance, abrasion resistance, water pressure resistance and excellent comprehensive mechanical property;
(2) according to the invention, sodium dihydrogen phosphate and disodium hydrogen phosphate are added as buffer solutions, so that the acid and alkali resistance of the transparent waterproof coating is effectively improved;
(3) by adding the ultraviolet absorbent, the light stability of the transparent waterproof coating under outdoor conditions is effectively improved, and the transparent waterproof coating is more aging-resistant;
(4) the corrosion resistance of the transparent waterproof coating is obviously improved by adding the polymaleic anhydride;
(5) the paint disclosed by the invention is simple in preparation method, environment-friendly, pollution-free, convenient to use, capable of being sprayed and brushed, and capable of being widely applied to waterproofing of building outer walls, and providing long-term waterproofing protection effect for buildings.
Detailed Description
The present invention will be further described with reference to examples and comparative examples.
The starting materials used in the examples of the present invention and comparative examples were obtained from conventional commercial sources. In the used raw materials, the solid content of the nano-silica sol is 40%, wherein the particle size of the nano-silica is 800-1000 nm; the polymaleic anhydride has a molecular weight of 400-800.
Example 1
The transparent water-based waterproof coating for the building comprises the following raw materials in percentage by mass:
the preparation method of the transparent water-based waterproof coating for the building comprises the following steps: adding the acrylic emulsion, the surfactant, the dioctyl sodium sulfosuccinate, the ultraviolet absorbent, the polymaleic anhydride and the water into a reactor according to the mass percentage, uniformly stirring, then adding the nano silica sol, the sodium dihydrogen phosphate and the disodium hydrogen phosphate according to the proportion, and uniformly mixing to obtain the nano silicone adhesive.
Example 2
The transparent water-based waterproof coating for the building comprises the following raw materials in percentage by mass:
the preparation method of the transparent water-based waterproof coating for the building comprises the following steps: adding the acrylic emulsion, the surfactant, the dioctyl sodium sulfosuccinate, the ultraviolet absorbent, the polymaleic anhydride and the water into a reactor according to the mass percentage, uniformly stirring, then adding the nano silica sol, the sodium dihydrogen phosphate and the disodium hydrogen phosphate according to the proportion, and uniformly mixing to obtain the nano silicone adhesive.
Example 3
The transparent water-based waterproof coating for the building comprises the following raw materials in percentage by mass:
the preparation method of the transparent water-based waterproof coating for the building comprises the following steps: adding the acrylic emulsion, the surfactant, the dioctyl sodium sulfosuccinate, the ultraviolet absorbent, the polymaleic anhydride and the water into a reactor according to the mass percentage, uniformly stirring, then adding the nano silica sol, the sodium dihydrogen phosphate and the disodium hydrogen phosphate according to the proportion, and uniformly mixing to obtain the nano silicone adhesive.
Example 4
The transparent water-based waterproof coating for the building comprises the following raw materials in percentage by mass:
the preparation method of the transparent water-based waterproof coating for the building comprises the following steps: adding the acrylic emulsion, the surfactant, the dioctyl sodium sulfosuccinate, the ultraviolet absorbent, the polymaleic anhydride and the water into a reactor according to the mass percentage, uniformly stirring, then adding the nano silica sol, the sodium dihydrogen phosphate and the disodium hydrogen phosphate according to the proportion, and uniformly mixing to obtain the nano silicone adhesive.
Example 5
The transparent water-based waterproof coating for the building comprises the following raw materials in percentage by mass:
the preparation method of the transparent water-based waterproof coating for the building comprises the following steps: adding the acrylic emulsion, the surfactant, the dioctyl sodium sulfosuccinate, the ultraviolet absorbent, the polymaleic anhydride and the water into a reactor according to the mass percentage, uniformly stirring, then adding the nano silica sol, the sodium dihydrogen phosphate and the disodium hydrogen phosphate according to the proportion, and uniformly mixing to obtain the nano silicone adhesive.
Comparative example 1
The raw materials of the coating of the comparative example are:
25g of pure acrylic emulsion, 3.5g of Span-802.5 g of perfluorooctyl sodium sulfonate, 1.2g of nano silica sol, 0.5g of UV-5310.2 g of sodium dihydrogen phosphate, 0.5g of disodium hydrogen phosphate, 1.2g of polymaleic anhydride and 55.5g of water.
The comparative example used substantially the same starting material as in example 1, except that the penetrant used was perfluorooctyl sodium sulfonate, rather than dioctyl sodium sulfosuccinate.
Compared with example 1, the preparation method of the coating of the comparative example replaces dioctyl sodium sulfosuccinate with perfluorooctyl sodium sulfonate, and the rest part is consistent with example 1.
Comparative example 2
The raw materials of the coating of the comparative example are:
25g of pure acrylic emulsion, Span-802.5 g, 3.5g of dioctyl sodium dibutyrate, 1.2g of nano silica sol, UV-5310.2 g and 55.5g of water.
This comparative example is similar to example 1 except that the three materials, sodium dihydrogen phosphate, disodium hydrogen phosphate and polymaleic anhydride, were removed.
The comparative coating was prepared in a manner similar to that of example 1, except that sodium dihydrogen phosphate, disodium hydrogen phosphate and polymaleic anhydride were not used, and the remainder was identical to that of example 1.
Detection of water resistance
The following transparent waterproof coating material was further tested for the effects, and the test results are as follows.
The transparent waterproof coating prepared by the invention is tested according to the GB/T16777-2008 'test method for building waterproof coating' standard, and the result is shown in Table 1.
TABLE 1 Performance test results for comparative examples 1-2 and examples 1-5 coatings
As can be seen from table 1, the transparent water-based waterproof coating for buildings according to the embodiment of the present invention has good impermeability, adhesion and flexibility; tensile strength thereof>24.5MPa, elongation at break>740% adhesive strength>1.4MPa, low-temperature flexibility of-40 ℃ and water-tight pressure of 0.3 MPa; and has good water resistance, acid resistance, alkali resistance and the like, and the water content and the H content are 20 percent2SO4Or after 7 days of treatment in 20% KOH solution, the related performance is not abnormal. It can be seen that the performance of the transparent water-based waterproof coating of the present invention is quite excellent.
Compared with the examples 1-5, the modified example 1 has poor tensile strength, elongation at break, adhesive strength and other properties. Comparative example 2 No sodium dihydrogen phosphate, disodium hydrogen phosphate and polymaleic anhydride were used, and the tensile strength, elongation at break and adhesive strength were better than those of examples 1 to 5, but the acid resistance and alkali resistance were poor, and the surface was corroded by acid or alkali treatment.
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.
Furthermore, it should be understood that although the present specification describes embodiments, such descriptions are provided for clarity only, and those skilled in the art should be able to take the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments that can be understood by those skilled in the art.
Claims (10)
1. The transparent water-based waterproof coating for the building is characterized by comprising the following raw materials in percentage by mass: 25-38% of acrylic emulsion, 2.1-3.1% of surfactant, 2.8-4.2% of dioctyl sodium sulfosuccinate, 0.8-1.6% of nano silica sol, 0.1-0.5% of ultraviolet absorbent, 0.2-0.7% of sodium dihydrogen phosphate, 0.2-0.7% of disodium hydrogen phosphate, 1.1-2% of polymaleic anhydride and 53-65% of water.
2. The transparent water-based waterproof coating material for buildings according to claim 1, wherein the acrylic emulsion is one or more of a pure acrylic emulsion, a silicone acrylic emulsion, a styrene-acrylic emulsion and a vinyl acetate acrylic emulsion.
3. The transparent water-based waterproof paint for buildings according to claim 1 or 2, characterized in that the surfactant is one or two of Span80, OP-10, sodium abietate and TX-10.
4. The transparent water-based waterproof coating for buildings according to claim 1 or 2, wherein the solid content of the nano silica sol is 40%, and the particle size of the nano silica is 800-1000 nm.
5. The transparent water-based waterproof coating for buildings according to claim 3, wherein the solid content of the nano silica sol is 40%, and the particle size of the nano silica is 800-1000 nm.
6. The transparent water-based waterproofing paint for construction according to claim 1 or 2, wherein the ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone.
7. The transparent water-based waterproofing paint for construction according to claim 3, wherein said ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone.
8. The transparent water-based waterproofing paint for construction according to claim 4, wherein said ultraviolet absorber is 2-hydroxy-4-n-octoxybenzophenone.
9. The transparent water-based waterproof coating material for buildings as claimed in any one of claims 1 to 8, wherein the molecular weight of the polymaleic anhydride is 400-800.
10. The method for preparing the transparent water-based waterproof coating for buildings according to any one of claims 1 to 9, characterized in that: adding acrylic emulsion, surfactant, dioctyl sodium sulfosuccinate, ultraviolet absorbent, polymaleic anhydride and water into a reactor, stirring uniformly, adding nano silica sol, sodium dihydrogen phosphate and disodium hydrogen phosphate, and mixing uniformly to obtain the product.
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| CN202110433011.9A CN113122096A (en) | 2021-04-21 | 2021-04-21 | Transparent water-based waterproof coating for buildings and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268208A (en) * | 2011-06-02 | 2011-12-07 | 沈阳顺风新城建筑材料有限公司 | Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof |
| US20150038039A1 (en) * | 2013-08-01 | 2015-02-05 | Iteq Corporation | Organic-inorganic hybrid material film and method for manufacturing the same |
| CN104356830A (en) * | 2014-11-24 | 2015-02-18 | 张乔木 | Waterproof paint for building and preparation method of waterproof paint |
| CN109266148A (en) * | 2018-09-28 | 2019-01-25 | 广州力博房地产代理有限公司 | A kind of energy conservation and environmental protection building coating and preparation method thereof |
-
2021
- 2021-04-21 CN CN202110433011.9A patent/CN113122096A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268208A (en) * | 2011-06-02 | 2011-12-07 | 沈阳顺风新城建筑材料有限公司 | Nanometer silica sol modified exterior wall emulsion paint and preparation method thereof |
| US20150038039A1 (en) * | 2013-08-01 | 2015-02-05 | Iteq Corporation | Organic-inorganic hybrid material film and method for manufacturing the same |
| CN104356830A (en) * | 2014-11-24 | 2015-02-18 | 张乔木 | Waterproof paint for building and preparation method of waterproof paint |
| CN109266148A (en) * | 2018-09-28 | 2019-01-25 | 广州力博房地产代理有限公司 | A kind of energy conservation and environmental protection building coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 黄锐: "《塑料工程手册 上册》", 30 April 2000, 机械工业出版社 * |
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Application publication date: 20210716 |
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