CN113088111A - Real stone texture coating with potassium silicate as main film forming substance and preparation method thereof - Google Patents
Real stone texture coating with potassium silicate as main film forming substance and preparation method thereof Download PDFInfo
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- CN113088111A CN113088111A CN202110484194.7A CN202110484194A CN113088111A CN 113088111 A CN113088111 A CN 113088111A CN 202110484194 A CN202110484194 A CN 202110484194A CN 113088111 A CN113088111 A CN 113088111A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D5/18—Fireproof paints including high temperature resistant 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
- C09D7/60—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
- C09D7/65—Additives macromolecular
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention belongs to the technical field of inorganic coatings, and particularly relates to a real stone texture coating taking potassium silicate as a main film forming substance and a preparation method thereof, wherein the real stone texture coating is composed of 18-22 parts of potassium silicate aqueous solution, 6-10 parts of silicone-acrylate emulsion, 1-3 parts of styrene-acrylate emulsion, 40-50 parts of hydrophobic colored sand, 15-25 parts of hydrophilic colored sand, 1-2 parts of thickening agent, 0.5-1 part of hydroxyethyl cellulose, 0.3-1 part of defoaming agent, 0.3-1 part of dispersing agent and 20-30 parts of water; the real stone texture coating has good real stone texture, fireproof and mildewproof performance, good weather resistance, water resistance, stain resistance, saltpetering resistance, alkalinity resistance and adhesive force, is environment-friendly, and is suitable for being used as exterior wall paint.
Description
Technical Field
The invention belongs to the technical field of inorganic coatings, and particularly relates to a real stone texture coating taking potassium silicate as a main film forming substance and a preparation method thereof.
Background
In recent years, inorganic coatings are developed vigorously in China, and the inorganic coating products are favored by various local manufacturers because of the advantages of fire prevention, mildew prevention and the like. The selection of various raw materials in the inorganic coating is a very labor-consuming task for a formulator, and improper selection not only can cause unstable performance of the inorganic coating, but also can greatly reduce the performances of fire prevention, mildew prevention and the like of the inorganic coating. Therefore, the selection of the raw materials in the inorganic coating material is extremely important as compared with the organic coating material. In addition, potassium silicate has good fire-proof and mildew-proof properties, and is often used as a film-forming material of inorganic coatings, but potassium silicate has poor water resistance, weather resistance and adhesion with walls and the like after film formation, so that the water resistance, weather resistance and adhesion of the existing inorganic coatings taking potassium silicate as a main film-forming material are still to be improved.
In addition, in order to make the inorganic coating have the characteristics of real stone texture, a large amount of colored sand is usually added into the inorganic coating, and then, after the existing inorganic coating with real stone texture is formed on the surface of a wall body and the like, the defects of over uneven coating surface, non-compact coating structure, tiny gaps on the surface and the like exist, and further the water resistance, the weather resistance and the stain resistance of the coating are deteriorated.
Disclosure of Invention
One of the purposes of the invention is to overcome the defects of the prior art and provide a real stone texture coating which takes potassium silicate as a main film forming substance, has good real stone texture and fireproof and mildewproof performance, has good weather resistance, water resistance, stain resistance, saltpetering resistance, alkalinity resistance and adhesive force, is environment-friendly, and is suitable for being used as exterior wall paint.
The second purpose of the present invention is to overcome the defects of the prior art and provide a preparation method of the real stone texture paint using potassium silicate as a main film forming material.
Based on the above, the invention discloses a real stone texture coating taking potassium silicate as a main film forming substance, which is composed of the following raw materials in parts by weight:
wherein the hydrophobic colored sand comprises hydrophobic colored sand with the particle size of 85-115 mu m and hydrophobic colored sand with the particle size of 230-300 mu m according to the mass ratio of 1: 0.3-0.6; the hydrophilic color sand comprises the following components in percentage by mass, wherein the mass ratio of the hydrophilic color sand with the particle size of 135-160 mu m to the hydrophilic color sand with the particle size of 350-400 mu m is 0.6-1: 1.
Preferably, the hydrophobic colored sand is prepared from hydrophobic colored sand with the particle size of 85-115 μm and hydrophobic colored sand with the particle size of 230-300 μm according to the mass ratio of 1: 0.5.
Further preferably, the hydrophilic color sand is prepared from the hydrophilic color sand with the particle size of 135-160 μm and the hydrophilic color sand with the particle size of 350-400 μm according to the mass ratio of 0.8: 1.
In the invention, the hydrophobic colored sand with different particle sizes and the specific mass ratio is adopted and matched with the hydrophilic colored sand with different particle sizes and the specific mass ratio; therefore, the stone texture of the sand in the coating can be highlighted, the fireproof performance of the coating is improved, more hydrophobic colored sand with light weight and small particle size can be left on the surface of the coating to improve the hydrophobicity and compactness of the surface of the coating, and the compactness of the structure of the coating can be further improved by matching the hydrophobic colored sand and the hydrophilic colored sand with different particle sizes, so that the water resistance, the weather resistance, the stain resistance and the adhesive force of the coating can be improved.
Still preferably, the real stone texture coating with potassium silicate as a main film forming substance comprises the following raw materials in parts by weight:
preferably, the raw materials of the hydrophilic colored sand and the hydrophobic colored sand are natural colored sand.
Further preferably, the hydrophobic colored sand is obtained by performing surface treatment on colored sand by using an organic silane reagent.
Still further preferably, the organosilane reagent is one or more of octadecyltrichlorosilane, perfluorooctyltriethoxysilane, and dodecyltrimethoxysilane.
Preferably, the thickening agent is prepared from an alkali swelling thickening agent and a cellulose thickening agent in a mass ratio of 1: 0.1-0.5.
Further preferably, the thickener is prepared from an alkali swelling thickener and a cellulose thickener in a mass ratio of 1: 0.3.
Preferably, the defoamer is a silicone defoamer.
Preferably, the dispersant is a polyacrylic acid copolymer ammonium salt dispersant.
The invention strictly screens and determines the types of the additives such as the thickening agent, the defoaming agent, the dispersing agent and the like to ensure that the hydrophobic colored sand and the hydrophilic colored sand can be fully mixed and dispersed into the potassium silicate aqueous solution, the silicone-acrylic emulsion and the styrene-acrylic emulsion, so as to obtain the real stone texture coating with stable performance and ensure the quality of the real stone texture coating.
The invention also discloses a preparation method of the real stone texture coating with potassium silicate as a main film forming substance, which comprises the following preparation steps:
step 1: adding the water and the hydroxyethyl cellulose with the formula amount into a container, and stirring for 3-10min at 480-550 rpm;
step 2: adding the dispersant and the defoamer with the formula amount into the container, and stirring for 3-10min at 480-550 rpm;
and step 3: adding the thickener, the potassium silicate aqueous solution, the silicone-acrylic emulsion and the styrene-acrylic emulsion into the container in the formula ratio while stirring;
and 4, step 4: and adding the hydrophobic colored sand and the hydrophilic colored sand into the container according to the formula ratio, and uniformly stirring to obtain the real stone texture coating taking potassium silicate as a main film forming substance.
Preferably, in step 1, the stirring speed is 550rpm and the stirring time is 5 min.
Preferably, in step 2, the stirring speed is 550rpm and the stirring time is 5 min.
Compared with the prior art, the invention at least comprises the following beneficial effects:
on the basis of using 18-22 parts of potassium silicate aqueous solution as a main film forming substance, 6-10 parts of silicone-acrylate emulsion and 1-3 parts of styrene-acrylate emulsion are added as film forming substances, so that the high temperature resistance, weather resistance, hydrophobicity and low surface energy of organic silicon, high color retention, flexibility and adhesiveness of acrylic resin and the water resistance, alkali resistance and scrubbing resistance of styrene-acrylate emulsion are combined, 40-50 parts of hydrophobic colored sand and 15-25 parts of hydrophilic colored sand with real stone texture, fire resistance and other properties are matched, and then 1-2 parts of thickening agent, 0.5-1 part of hydroxyethyl cellulose, 0.3-1 part of defoaming agent, 0.3-1 part of dispersing agent and 20-30 parts of water are matched, so that the coating material has good real stone texture, fire resistance and mildew resistance, and also has good weather resistance, water resistance and stain resistance, The stone-like coating is resistant to saltpetering alkalinity and adhesive force, is not added with a volatile solvent or a film-forming auxiliary agent, is more healthy and environment-friendly, and is suitable for being used as an exterior wall paint.
The hydrophobic colored sand is taken as a main material, a proper amount of hydrophilic colored sand is matched, and then the dispersant, the hydroxyethyl cellulose and the thickener are matched, so that the dispersing performance of the colored sand can be improved, and the hydrophobic colored sand and the hydrophilic colored sand can be fully mixed and dispersed into a potassium silicate aqueous solution, a silicone-acrylic emulsion and a styrene-acrylic emulsion; furthermore, the invention limits that the hydrophobic colored sand is prepared from hydrophobic colored sand with the particle size of 85-115 mu m and hydrophobic colored sand with the particle size of 230-300 mu m according to the mass ratio of 1: 0.3-0.6, and the hydrophilic color sand is limited to be composed of the hydrophilic color sand with the particle size of 135-160 mu m and the hydrophilic color sand with the particle size of 350-400 mu m according to the mass ratio of 0.6-1: 1, preparing a composition; therefore, more hydrophobic colored sands with light mass and small particle size are left on the surface of the coating, so that the hydrophobicity and compactness of the surface of the coating are improved, and the compactness of the coating after film forming can be further improved by matching the hydrophobic colored sands with different particle sizes and the hydrophilic colored sands, so that the coating not only has the real stone texture characteristic, but also can effectively avoid the defects of the existing real stone texture coating that the surface of the coating is too uneven, the structure of the coating is not compact, tiny gaps exist on the surface, and the like, and further improve the water resistance, the weather resistance, the stain resistance and the adhesive force of the coating.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the above objects, features and advantages more apparent and understandable.
Example 1
The real stone texture coating with potassium silicate as a main film forming substance in the embodiment is composed of the following raw materials in parts by weight:
wherein the hydrophobic colored sand comprises hydrophobic colored sand with the particle size of 85-115 mu m and hydrophobic colored sand with the particle size of 230-300 mu m according to the mass ratio of 1: 0.6. The hydrophilic color sand comprises the following components in percentage by mass of 135-160 mu m hydrophilic color sand and 350-400 mu m hydrophilic color sand according to the mass ratio of 1: 1. The hydrophilic colored sand and the hydrophobic colored sand are both natural colored sand. The hydrophobic colored sand is obtained by performing surface treatment on natural colored sand by adopting dodecyl trimethoxy silane.
Wherein the thickening agent is prepared from an alkali swelling thickening agent and a cellulose thickening agent according to the mass ratio of 1: 0.1. The defoaming agent is an organic silicon defoaming agent. The dispersant is polyacrylic acid copolymerized ammonium salt dispersant.
The preparation method of the real stone texture coating using potassium silicate as a main film forming substance in the embodiment comprises the following preparation steps:
step 1: adding water and hydroxyethyl cellulose in a formula amount into a container, and stirring at 480rpm for 10 min;
step 2: adding the dispersant and the defoamer in the formula amount into the container, and stirring at 480rpm for 10 min;
and step 3: adding the thickener, the potassium silicate aqueous solution, the silicone-acrylic emulsion and the styrene-acrylic emulsion into the container in the formula ratio while stirring;
and 4, step 4: and adding the hydrophobic colored sand and the hydrophilic colored sand into the container according to the formula ratio, and uniformly stirring to obtain the real stone texture coating taking potassium silicate as a main film forming substance.
Example 2
The real stone texture coating with potassium silicate as a main film forming substance in the embodiment is composed of the following raw materials in parts by weight:
wherein the hydrophobic colored sand comprises hydrophobic colored sand with the particle size of 85-115 mu m and hydrophobic colored sand with the particle size of 230-300 mu m according to the mass ratio of 1: 0.5. The hydrophilic color sand comprises the following components in percentage by mass, wherein the mass ratio of the hydrophilic color sand with the particle size of 135-160 mu m to the hydrophilic color sand with the particle size of 350-400 mu m is 0.8: 1. The hydrophilic colored sand and the hydrophobic colored sand are both natural colored sand. The hydrophobic colored sand is prepared by the following raw materials in a mass ratio of 1: 2, carrying out surface treatment on the natural colored sand by using octadecyl trichlorosilane and perfluoro octyl triethoxysilane.
Wherein the thickening agent is prepared from an alkali swelling thickening agent and a cellulose thickening agent according to the mass ratio of 1: 0.3. The defoaming agent is an organic silicon defoaming agent. The dispersant is polyacrylic acid copolymerized ammonium salt dispersant.
The preparation method of the real stone texture paint using potassium silicate as the main film forming material in this example is as shown in example 1, and the difference from example 1 is that:
in the preparation method of this example, the stirring speed and the stirring time in step 1 and step 2 are both 500rpm and 5 min.
Example 3
The real stone texture coating with potassium silicate as a main film forming substance in the embodiment is composed of the following raw materials in parts by weight:
wherein the hydrophobic colored sand comprises hydrophobic colored sand with the particle size of 85-115 mu m and hydrophobic colored sand with the particle size of 230-300 mu m according to the mass ratio of 1: 0.3. The hydrophilic color sand comprises the following components in percentage by mass, wherein the hydrophilic color sand with the particle size of 135-160 mu m and the hydrophilic color sand with the particle size of 350-400 mu m are mixed according to a mass ratio of 0.6: 1. The hydrophilic colored sand and the hydrophobic colored sand are both natural colored sand. The hydrophobic colored sand is prepared by the following raw materials in a mass ratio of 1: 2, carrying out surface treatment on the natural colored sand by using octadecyl trichlorosilane and perfluoro octyl triethoxysilane.
Wherein the thickening agent is prepared from an alkali swelling thickening agent and a cellulose thickening agent according to the mass ratio of 1: 0.5. The defoaming agent is an organic silicon defoaming agent. The dispersant is polyacrylic acid copolymerized ammonium salt dispersant.
The preparation method of the real stone texture paint using potassium silicate as the main film forming material in this example is as shown in example 1, and the difference from example 1 is that:
in the preparation method of this example, the stirring speed and the stirring time in step 1 and step 2 were both 550rpm and 3 min.
Comparative example 1
The real stone texture paint of the comparative example and the preparation method thereof are basically the same as the example 2, and the difference is that:
in the comparative example, 46 parts of hydrophobic colored sand in example 2 is completely replaced by hydrophilic colored sand; namely, the colored sands in the comparative example are all hydrophilic colored sands, and the hydrophilic colored sands comprise hydrophilic colored sands with the particle size of 135-160 μm and hydrophilic colored sands with the particle size of 350-400 μm according to the mass ratio of 0.8: 1.
Comparative example 2
The real stone texture paint of the comparative example and the preparation method thereof are basically the same as the example 2, and the difference is that:
in the comparative example, 20 parts of hydrophilic colored sand in the example 2 is completely replaced by hydrophobic colored sand; namely, the colored sands in the comparative example are all hydrophobic colored sands, and the hydrophobic colored sands comprise hydrophobic colored sands with the grain diameter of 85-115 mu m and hydrophobic colored sands with the grain diameter of 230-300 mu m according to the mass ratio of 1: 0.5.
Performance testing
The following performance tests were performed on the coatings of examples 1 to 3 and comparative examples 1 to 2 after film formation, and the test results are shown in table 1 below:
wherein, the test method of the fire resistance refers to the standard GB 8624-2006; the method for testing the mildew resistance refers to the standard GB/T1741-2007; the test methods of the artificial climate aging resistance, the water resistance, the stain resistance and the saltpetering alkali resistance refer to the standard GB/T9755-2014; the method for testing the adhesive force refers to the national standard GB/T9286-1998.
TABLE 1
As can be seen from Table 1, the real stone-like coating materials of examples 1 to 3 have both excellent fire and mildew preventive properties and excellent weather resistance, water resistance, stain resistance, saltiness resistance and adhesion as compared with comparative examples 1 to 2; among them, the real stone texture paint of example 2 has the best overall performance.
In addition, the coating with the real stone texture of the embodiment 1-3 can obviously show the real stone texture of the coating after film forming because a large amount of hydrophobic colored sand and hydrophilic colored sand are added; and the real stone texture coating is healthier and more environment-friendly because no volatile solvent or film forming additive is added.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
The technical solutions provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in this document by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A real stone texture coating with potassium silicate as a main film forming substance is characterized by comprising the following raw materials in parts by weight:
wherein the hydrophobic colored sand comprises hydrophobic colored sand with the particle size of 85-115 mu m and hydrophobic colored sand with the particle size of 230-300 mu m according to the mass ratio of 1: 0.3-0.6; the hydrophilic color sand comprises the following components in percentage by mass, wherein the mass ratio of the hydrophilic color sand with the particle size of 135-160 mu m to the hydrophilic color sand with the particle size of 350-400 mu m is 0.6-1: 1.
2. The coating as claimed in claim 1, wherein the hydrophobic colored sand is prepared from hydrophobic colored sand with particle size of 85-115 μm and hydrophobic colored sand with particle size of 230-300 μm in a mass ratio of 1: 0.5.
3. The coating as claimed in claim 2, wherein the hydrophilic color sand comprises hydrophilic color sand with particle size of 135-160 μm and hydrophilic color sand with particle size of 350-400 μm, in a mass ratio of 0.8: 1.
4. The real stone texture paint with potassium silicate as a main film forming substance as claimed in claim 1 or 3, which is characterized by comprising the following raw materials in parts by weight:
20 portions of potassium silicate aqueous solution
8 parts of silicone-acrylic emulsion
2 parts of styrene-acrylic emulsion
46 parts of hydrophobic colored sand
20 parts of hydrophilic colored sand
Thickener 1.8 parts
0.6 part of hydroxyethyl cellulose
0.5 portion of defoaming agent
0.8 portion of dispersant
And 23 parts of water.
5. The coating as claimed in claim 1, wherein the hydrophilic color sand and the hydrophobic color sand are natural color sand.
6. The coating as claimed in claim 1 or 5, wherein the hydrophobic colored sand is prepared by surface-treating colored sand with organic silane agent.
7. A stone-like coating as claimed in claim 6, wherein said organosilane reagent is one or more of octadecyltrichlorosilane, perfluorooctyltriethoxysilane, and dodecyltrimethoxysilane.
8. The real stone texture paint taking potassium silicate as a main film forming substance as claimed in claim 1, wherein the thickener is prepared from alkali swelling thickener and cellulose thickener according to a mass ratio of 1: 0.1-0.5.
9. The coating with stone texture, which takes potassium silicate as a main film forming substance, as claimed in claim 1, wherein the defoaming agent is an organic silicon defoaming agent; the dispersant is polyacrylic acid copolymerized ammonium salt dispersant.
10. A method for preparing a real stone texture paint using potassium silicate as a main film forming material according to any one of claims 1 to 9, which comprises the following steps:
step 1: adding the water and the hydroxyethyl cellulose with the formula amount into a container, and stirring for 3-10min at 480-550 rpm;
step 2: adding the dispersant and the defoamer with the formula amount into the container, and stirring for 3-10min at 480-550 rpm;
and step 3: adding the thickener, the potassium silicate aqueous solution, the silicone-acrylic emulsion and the styrene-acrylic emulsion into the container in the formula ratio while stirring;
and 4, step 4: and adding the hydrophobic colored sand and the hydrophilic colored sand into the container according to the formula ratio, and uniformly stirring to obtain the real stone texture coating taking potassium silicate as a main film forming substance.
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| CN114231057A (en) * | 2021-12-03 | 2022-03-25 | 广东自然涂化工有限公司 | High-environment-friendly self-cleaning batch scraping type stone-like paint and preparation method and application thereof |
| CN114292533A (en) * | 2021-12-18 | 2022-04-08 | 安徽京卫宏远科技新材料有限公司 | Environment-friendly antibacterial mildew-proof fireproof light sand art water paint and preparation method thereof |
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Application publication date: 20210709 |