CN110938336A - Ecological stone coating, preparation method and use method - Google Patents
Ecological stone coating, preparation method and use method Download PDFInfo
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- CN110938336A CN110938336A CN201911306653.1A CN201911306653A CN110938336A CN 110938336 A CN110938336 A CN 110938336A CN 201911306653 A CN201911306653 A CN 201911306653A CN 110938336 A CN110938336 A CN 110938336A
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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
- 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
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to an ecological stone coating, a preparation method and a use method, wherein the ecological stone coating comprises the following raw materials: sepiolite, white cement, calcium carbonate, light calcium carbonate, talcum powder, kaolin, titanium dioxide, hydroxyethyl cellulose ether, VAE redispersible latex powder, nano silicon dioxide, magnesium fluosilicate, a water repellent and a wetting dispersant. The raw materials in the ecological stone coating are organically combined together, so that the ecological stone coating can be formed in one step without finish surface treatment (namely, without roller coating varnish and varnish treatment) when being sprayed (roller coating), the produced coating still has antifouling and anti-permeability performances, the air permeability of the coating is better, the condition of alkali return color is avoided, and the service life of the coating is prolonged. Has excellent antifouling and anti-permeability performance, and good strength, compactness, water resistance and anti-permeability performance.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to an ecological stone coating, a preparation method and a use method.
Background
The coating is a viscous liquid prepared by using resin, oil or emulsion as main materials, adding or not adding pigments and fillers, adding corresponding auxiliary agents and using organic solvents or water.
The viscosity of the coating affects the construction performance of the coating, different construction methods require the coating to have different viscosities, the fineness of the coating directly affects the smoothness and gloss of the surface of a coating film, the decoration objects of the coating are mainly alkaline materials, so the alkalinity is also an important characteristic of the coating, at present, the texture coating needs to adopt a recoating construction process, namely after finishing the texture modeling construction, the texture surface needs to be finished, the finish treatment is generally carried out by adopting a method of rolling and coating gloss oil or varnish, otherwise, the coating does not have the anti-fouling and anti-permeability performance. However, the construction process has the following disadvantages: the construction process is complex, the construction cost is high, the coated gloss oil or varnish is easy to turn yellow, and the decorative effect is unstable; the varnish or varnish has the property of gloss, so that the surface of the coating reflects light, the decorative effect is influenced, in addition, the varnish or varnish finish coat is not breathable, the water vapor of a wall body is easily accumulated on the reverse side of the finish coat, the finish coat is caused to be hollow and fall off after a certain time, and the service life of the coating is shortened. Therefore, there is a need to develop a coating having anti-fouling and barrier properties without the need for a finishing treatment.
CN106336176A discloses an ecological stone paint and a preparation method thereof, wherein the ecological stone paint comprises the following raw materials: quartz sand, white cement, calcium carbonate, talcum powder, kaolin, titanium dioxide, hydroxyethyl cellulose ether, VAE redispersible latex powder, a composite water reducing agent, nano silicon dioxide, a water repellent, a wetting dispersant and an anti-alkali bleeding agent. The ecological stone coating prepared by the invention has poor strength, compactness, water resistance and impermeability, and the coating is easy to generate alkali-returning color.
The present invention has been made in view of the above circumstances.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an ecological stone coating, a preparation method and a use method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ecological stone coating is prepared from the following raw materials: sepiolite, white cement, calcium carbonate, light calcium carbonate, talcum powder, kaolin, titanium dioxide, hydroxyethyl cellulose ether, VAE redispersible latex powder, nano silicon dioxide, magnesium fluosilicate, a water repellent and a wetting dispersant.
Further, the feed additive is prepared from the following raw materials in parts by weight: 20-30 parts of sepiolite, 8-12 parts of white cement, 10-15 parts of calcium carbonate, 8-12 parts of light calcium carbonate, 8-12 parts of talcum powder, 8-12 parts of kaolin, 8-12 parts of titanium dioxide, 0.3-0.8 part of hydroxyethyl cellulose ether, 8-15 parts of VAE (vinyl acetate) redispersible latex powder, 1-2 parts of nano silicon dioxide, 1-2 parts of magnesium fluosilicate, 0.1-0.3 part of water repellent and 0.1-0.3 part of wetting dispersant.
Further, the feed additive is prepared from the following raw materials in parts by weight: 25 parts of sepiolite, 10 parts of white cement, 12.5 parts of calcium carbonate, 10 parts of light calcium carbonate, 10 parts of talcum powder, 10 parts of kaolin, 10 parts of titanium dioxide, 0.5 part of hydroxyethyl cellulose ether, 11.5 parts of VAE (vinyl acetate) redispersible latex powder, 1.5 parts of nano silicon dioxide, 1.5 parts of magnesium fluosilicate, 0.2 part of water repellent and 0.2 part of wetting dispersant.
Sepiolite is a fibrous hydrous magnesium silicate having a hardness of 2 to 2.5. under an electron microscope, it is seen that it is formed by a multiplicity of filaments arranged together in a sheet form, absorbs more than 150% by weight of water, absorbs strongly water and becomes soft when it is exposed to water, and hardens when it is dried, and it is classified into α -sepiolite and β -sepiolite in terms of its morphology, the former being produced as a large bundle of fibrous crystals, commonly called fibrous sepiolite, the latter being usually produced in the form of earth, consisting of very fine and short fibers or fibrous aggregates, having the characteristics of pure nature, no toxicity, no odor, no asbestos, no radioactivity, etc., the crystals of sepiolite being a layered chain structure, the specific structure of sepiolite determining its excellent adsorption, rheological and catalytic properties.
White cement is a kind of white silicate cement, which is a hydraulic cementing material made up by adding white silicate cement clinker into gypsum and grinding them, and is characterized by high whiteness and bright colour.
Calcium carbonate is an inorganic compound, commonly known as: limestone, stone powder, marble, etc., and calcium carbonate is an important building material and has a wide industrial range of applications. Due to the improvement of environmental awareness, a large amount of water-based paint is used in building, and calcium carbonate is white and hydrophilic, is cheap, and is applied. The filling of calcium carbonate can enhance the deposition and penetration of the primer to the surface of the base layer.
The light calcium carbonate is also called precipitated calcium carbonate and is prepared by a chemical processing method, and has the characteristics of large specific surface area, good suspension property, no sedimentation, easy dispersion, good luster and the like.
Talc is white or quasi-white, fine, non-gritty powder, has a greasy feel to the hand, has excellent physical and chemical properties such as lubricity, anti-sticking property, flow aid, fire resistance, acid resistance, insulation property, high melting point, chemical inactiveness, good covering power, softness, good gloss, strong adsorption power, and the like, and has a tendency to easily break into flakes and a special lubricity because the crystal structure of talc is in a layer form.
Kaolin is a non-metallic mineral, a clay and claystone based on clay minerals of the kaolinite group. It is also called dolomitic soil because it is white and fine. Kaolin is used as a filler in coatings because of its chemical inertness, high covering power, desirable flow properties and low cost, white color, and the ability to reduce the amount of expensive fuel required. In addition, it has very good suspension properties.
The titanium dioxide is a white pigment with titanium dioxide as a main component, has good physical and chemical stability, has the highest refractive index in the white pigment and excellent weather resistance, and can change the physical and chemical properties of the coating, enhance the chemical stability of the coating, improve the covering power, the decoloring power, the corrosion resistance, the light resistance and the weather resistance, enhance the mechanical strength and the adhesive force of the coating, prevent cracking or falling, prevent ultraviolet rays and moisture from permeating and prolong the service life of an object.
Hydroxyethyl cellulose ether is a white or yellowish, odorless, non-toxic, powdery solid with good properties of thickening, suspending, dispersing, emulsifying, binding, film forming, moisture protecting, and providing a protective colloid.
The VAE redispersible latex powder has high bonding capability, water resistance and heat insulation property, and has wider application range.
The nano silicon dioxide is an inorganic chemical material, commonly called white carbon black, is amorphous white powder, is nontoxic, tasteless and pollution-free, and has a spherical microstructure and a flocculent and reticular quasi-particle structure. The nano silicon dioxide has optical performance of resisting ultraviolet rays, and can improve the ageing resistance, strength and chemical resistance of other materials. The nano silicon dioxide can carry out surface modification treatment on the organic coating, so that the anti-aging performance of the coating is greatly improved, indexes such as brightness, hue and saturation are also improved to a certain degree, and the grade and the application range of the organic coating are greatly widened.
The magnesium fluosilicate can react with free calcium hydroxide and the like in the cement concrete to generate a new compact substance, is a very high-quality cement curing accelerator and reinforcing agent, and has the function of improving the hardness and strength of the cement concrete; meanwhile, the compactness, impermeability and frost resistance of the cement concrete can be improved. In foreign countries, the content of magnesium fluosilicate in cement hardening accelerator is 1%, and the content of magnesium fluosilicate in cement floor is 5%.
The water repellent has the performances of acid and alkali resistance, aging resistance, carbonization resistance, saltpetering resistance, moisture resistance, mildew resistance and the like. The water repellent changes the traditional outer wall waterproof method, and starts from the structure of building materials, the problem of outer wall leakage is solved, gaps among mortar and concrete are compact, the compressive strength and the tensile strength are improved, and meanwhile, a permanent waterproof film is formed on the surface of a building, so that the bonding part of the heat insulation board and the wall surface is not expanded, deformed and fallen, and the service life of the building can be effectively prolonged.
The wetting dispersant is a polar assistant, has low resistivity, conductivity and dielectric constant of about 26, can be used for electrostatic spraying paint and can enhance the wetting property of the paint to a substrate.
Furthermore, the water repellent is an organic silicon water repellent and/or a polysiloxane water repellent.
Further, the wetting dispersant is sodium polyphosphate.
The preparation method of the ecological stone coating comprises the following steps:
(1) weighing the raw materials according to the weight of the raw materials for later use;
(2) and mixing and stirring the raw materials uniformly to obtain the ecological stone coating.
Further, in the step (2), the stirring speed is 26-30r/min, and the stirring time is 20-30 min.
Further, in the step (2), the stirring speed is 28r/min, and the stirring time is 25 min.
The application method of the ecological stone paint comprises the steps of adding water into the ecological stone paint, stirring and mixing uniformly, wherein the stirring speed is 50-60r/min, the stirring time is 15-20min, and spraying or rolling the mixture.
Further, when the mixture is sprayed, the weight ratio of the ecological stone paint to the water is 10:5-7, and when the mixture is subjected to roller coating, the weight ratio of the ecological stone paint to the water is 10: 13-17.
Compared with the prior art, the invention has the beneficial effects that:
(1) the white cement in the ecological stone coating has a gelling effect, calcium carbonate and other substances in raw materials are adhered together through a mineral network formed by hydration of the white cement to provide the hardness of the ecological stone coating, the sepiolite absorbs water and then softens the water, a fiber network formed by hardening after drying and a mineral network formed by hydration of the white cement are mutually overlapped, the hardness and the flexibility of the ecological stone coating are increased, meanwhile, the sepiolite has excellent adsorption capacity to adsorb a large amount of water and free calcium hydroxide of a hydration product of the white cement in capillary pores of the network, magnesium fluosilicate and the free calcium hydroxide in the capillary pores are subjected to chemical reaction after the cement is finally set and hardened to generate firm and compact new substances, a large amount of the capillary pores are effectively blocked, and the strength, the compactness, the water resistance and the impermeability are effectively improved. Meanwhile, the free calcium hydroxide of the white substance causing the paint alkali-returning flower color reacts with the magnesium fluosilicate to generate a new substance, and the problem of the paint alkali-returning flower color is fundamentally solved;
(2) the sepiolite also has good rheological property, the workability of the ecological stone coating can be improved, the VAE redispersible latex powder has higher bonding capacity and can improve the flexibility and elasticity of the ecological stone coating, the talcum powder has special lubricity, the kaolin has good suspension property, the construction performance can be further improved by adding the talcum powder and the kaolin, the hydroxyethyl cellulose ether has thickening and water retaining properties, the wetting dispersant can enhance the wettability of the coating to a substrate and ensure the uniformity of the color of a coating system, the compactness of the system can be further improved by adding the nano-silica, and the micro-capillary pores which are not blocked in the whole coating can keep better hydrophobicity and have good air permeability by adding the water repellent;
(3) the raw materials in the ecological stone coating are organically combined together, so that the ecological stone coating can be formed in one step without finish surface treatment (namely, without roller coating varnish and varnish treatment) when being sprayed (roller coating), the produced coating still has antifouling and anti-permeability performances, the air permeability of the coating is better, the condition of alkali return color is avoided, and the service life of the coating is prolonged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
The ecological stone coating provided by the embodiment comprises the following raw materials: 20kg of sepiolite, 8kg of white cement, 10kg of calcium carbonate, 8kg of light calcium carbonate, 8kg of talcum powder, 8kg of kaolin, 8kg of titanium dioxide, 0.3kg of hydroxyethyl cellulose ether, 8kg of VAE redispersible emulsion powder, 1kg of nano silicon dioxide, 1kg of magnesium fluosilicate, 0.1kg of organosilicon water repellent and 0.1kg of sodium polyphosphate.
The preparation method of the ecological stone coating of the embodiment comprises the following steps:
(1) weighing the raw materials according to the weight of the raw materials for later use;
(2) and (3) uniformly mixing and stirring the raw materials to obtain a mixture, wherein the stirring speed is 26r/min, and the stirring time is 20min, so as to obtain the ecological stone coating.
The use method of the ecological stone coating of the embodiment comprises the following steps:
when spraying: and uniformly mixing the ecological stone coating and water, wherein the weight ratio of the ecological stone coating to the water is 10:5, stirring at a stirring speed of 50r/min for 15min, and spraying.
When in roll coating: uniformly mixing the ecological stone coating with water, wherein the weight ratio of the ecological stone coating to the water is 10:13, stirring at a stirring speed of 50r/min for 15min, and performing roll coating.
Example 2
The ecological stone coating provided by the embodiment comprises the following raw materials: 25kg of sepiolite, 10kg of white cement, 12.5kg of calcium carbonate, 10kg of light calcium carbonate, 10kg of talcum powder, 10kg of kaolin, 10kg of titanium dioxide, 0.5kg of hydroxyethyl cellulose ether, 11.5kg of VAE (vinyl acetate) redispersible emulsion powder, 1.5kg of nano silicon dioxide, 1.5kg of magnesium fluosilicate, 0.2kg of polysiloxane water repellent and 0.2kg of sodium polyphosphate.
The preparation method of the ecological stone coating of the embodiment comprises the following steps:
(1) weighing the raw materials according to the weight of the raw materials for later use;
(2) and (3) uniformly mixing and stirring the raw materials to obtain a mixture, wherein the stirring speed is 28r/min, and the stirring time is 25min, so as to obtain the ecological stone coating.
The use method of the ecological stone coating of the embodiment comprises the following steps:
when spraying: and uniformly mixing the ecological stone coating and water, wherein the weight ratio of the ecological stone coating to the water is 10:6, stirring at the stirring speed of 55r/min for 17.5min, and spraying.
When in roll coating: uniformly mixing the ecological stone coating with water, wherein the weight ratio of the ecological stone coating to the water is 10:15, stirring at the stirring speed of 55r/min for 17.5min, and performing roll coating.
Example 3
The ecological stone coating provided by the embodiment comprises the following raw materials: 30kg of sepiolite, 12kg of white cement, 15kg of calcium carbonate, 12kg of light calcium carbonate, 12kg of talcum powder, 12kg of kaolin, 12kg of titanium dioxide, 0.8kg of hydroxyethyl cellulose ether, 15kg of VAE redispersible emulsion powder, 2kg of nano silicon dioxide, 2kg of magnesium fluosilicate, 0.15kg of organosilicon water repellent, 0.15kg of polysiloxane water repellent and 0.3kg of sodium polyphosphate.
The preparation method of the ecological stone coating of the embodiment comprises the following steps:
(1) weighing the raw materials according to the weight of the raw materials for later use;
(2) and (3) uniformly mixing and stirring the raw materials to obtain a mixture, wherein the stirring speed is 30r/min, and the stirring time is 30min, so as to obtain the ecological stone coating.
The use method of the ecological stone coating of the embodiment comprises the following steps:
when spraying: and uniformly mixing the ecological stone coating and water, wherein the weight ratio of the ecological stone coating to the water is 10:7, stirring at a stirring speed of 60r/min for 20min, and spraying.
When in roll coating: uniformly mixing the ecological stone coating with water, wherein the weight ratio of the ecological stone coating to the water is 10:17, stirring at a stirring speed of 60r/min for 20min, and performing roll coating.
Example 4
The ecological stone coating provided by the embodiment comprises the following raw materials: 28kg of sepiolite, 11kg of white cement, 14kg of calcium carbonate, 9kg of light calcium carbonate, 11kg of talcum powder, 10kg of kaolin, 9kg of titanium dioxide, 0.7kg of hydroxyethyl cellulose ether, 10kg of VAE redispersible emulsion powder, 1.8kg of nano silicon dioxide, 1.6kg of magnesium fluosilicate, 0.2kg of organosilicon water repellent and 0.15kg of sodium polyphosphate.
The preparation method of the ecological stone coating of the embodiment comprises the following steps:
(1) weighing the raw materials according to the weight of the raw materials for later use;
(2) and (3) uniformly mixing and stirring the raw materials to obtain a mixture, wherein the stirring speed is 27r/min, and the stirring time is 28min, so as to obtain the ecological stone coating.
The use method of the ecological stone coating of the embodiment comprises the following steps:
when spraying: and uniformly mixing the ecological stone coating and water, wherein the weight ratio of the ecological stone coating to the water is 10:5.5, stirring at the stirring speed of 28r/min for 180min, and spraying.
When in roll coating: uniformly mixing the ecological stone coating with water, wherein the weight ratio of the ecological stone coating to the water is 10:14, stirring at the stirring speed of 28r/min for 18min, and performing roll coating.
Comparative example 1
The comparative ecological stone paint was prepared according to the method of example 1 of CN 106336176A.
Comparative example 2
The ecological stone paint of the comparative example was prepared according to the method of the invention in example 2, except that magnesium fluosilicate was not added.
Comparative example 3
The ecological stone paint of the comparative example was prepared according to the method of the invention in example 2, except that sepiolite was replaced with quartz sand.
Test example 1
The ecological stone coatings prepared in example 1 and comparative examples 1-3 were respectively tested by the national coating quality supervision and inspection center using GB/T9756-.
TABLE 1
As can be seen from the above table, the ecological stone coatings prepared in example 1 and comparative examples 1 to 3 of the present invention both meet the standard and pass the detection.
The applicant has also carried out the above tests on other examples, with substantially identical results, which are not to be listed any more due to the limited space.
Test example 2
The ecological stone coatings prepared in the example 2 and the comparative examples 1 to 3 are respectively subjected to performance detection, the performance detection refers to GB/T23445-2009 Polymer Cement waterproof coating, and the results are shown in Table 2.
TABLE 2
As can be seen from table 2, the ecological stone coating prepared by the method of the present invention has high tensile strength, good waterproof performance and good alkali resistance, and the performance of the coating is greatly affected without adding magnesium fluosilicate or sepiolite, because the sepiolite has excellent adsorption capacity to adsorb a large amount of water and free calcium hydroxide of hydration products of white cement in capillary pores of a network, after cement is finally set and hardened, the magnesium fluosilicate and the free calcium hydroxide in the capillary pores are subjected to chemical reaction to generate a firm and compact new substance, and a large number of capillary pores are effectively plugged, thereby effectively improving the tensile strength, compactness, water resistance and impermeability. Meanwhile, the free calcium hydroxide of the white substance causing the paint alkali-returning flower color reacts with the magnesium fluosilicate to generate a new substance, and the problem of the paint alkali-returning flower color is fundamentally solved.
The applicant has also carried out the above tests on other examples, with substantially identical results, which are not to be listed any more due to the limited space.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The ecological stone coating is characterized by comprising the following raw materials: sepiolite, white cement, calcium carbonate, light calcium carbonate, talcum powder, kaolin, titanium dioxide, hydroxyethyl cellulose ether, VAE redispersible latex powder, nano silicon dioxide, magnesium fluosilicate, a water repellent and a wetting dispersant.
2. The ecological stone paint as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 20-30 parts of sepiolite, 8-12 parts of white cement, 10-15 parts of calcium carbonate, 8-12 parts of light calcium carbonate, 8-12 parts of talcum powder, 8-12 parts of kaolin, 8-12 parts of titanium dioxide, 0.3-0.8 part of hydroxyethyl cellulose ether, 8-15 parts of VAE (vinyl acetate) redispersible latex powder, 1-2 parts of nano silicon dioxide, 1-2 parts of magnesium fluosilicate, 0.1-0.3 part of water repellent and 0.1-0.3 part of wetting dispersant.
3. The ecological stone paint as claimed in claim 2, which is prepared from the following raw materials in parts by weight: 25 parts of sepiolite, 10 parts of white cement, 12.5 parts of calcium carbonate, 10 parts of light calcium carbonate, 10 parts of talcum powder, 10 parts of kaolin, 10 parts of titanium dioxide, 0.5 part of hydroxyethyl cellulose ether, 11.5 parts of VAE (vinyl acetate) redispersible latex powder, 1.5 parts of nano silicon dioxide, 1.5 parts of magnesium fluosilicate, 0.2 part of water repellent and 0.2 part of wetting dispersant.
4. The ecological stone paint as claimed in claim 1, wherein the water repellent is an organosilicon water repellent and/or a polysiloxane water repellent.
5. The ecological stone paint as claimed in claim 1, wherein the wetting dispersant is sodium polyphosphate.
6. The method for preparing an ecological stone paint according to any one of claims 1 to 5, characterized by comprising the following steps:
(1) weighing the raw materials according to the weight of the raw materials for later use;
(2) and mixing and stirring the raw materials uniformly to obtain the ecological stone coating.
7. The method for preparing an ecological stone paint as claimed in claim 6, wherein the stirring speed in the step (2) is 26-30r/min, and the stirring time is 20-30 min.
8. The method for preparing an ecological stone paint as claimed in claim 7, wherein the stirring speed in the step (2) is 28r/min, and the stirring time is 25 min.
9. The method for using the ecological stone paint as claimed in any one of claims 1 to 6, wherein the ecological stone paint is added with water, stirred and mixed uniformly, the stirring speed is 50 to 60r/min, the stirring time is 15 to 20min, and the mixture is sprayed or rolled.
10. The use method of the ecological stone paint as claimed in claim 9, wherein the weight ratio of the ecological stone paint to water is 10:5-7 when the mixture is sprayed; when the mixture is subjected to roll coating, the weight ratio of the ecological stone coating to water is 10: 13-17.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112574622A (en) * | 2020-12-31 | 2021-03-30 | 濮阳宏业环保新材料股份有限公司 | Weather-resistant self-repairing coating and preparation method and application thereof |
| CN114939917A (en) * | 2022-06-23 | 2022-08-26 | 千年舟新材科技集团股份有限公司 | Moisture-proof wood three-layer plate and manufacturing method thereof |
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