CN114292557A - Finishing-free real stone paint and preparation method and application thereof - Google Patents
Finishing-free real stone paint and preparation method and application thereof Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention relates to a non-top-coat real stone paint and a preparation method and application thereof, wherein the non-top-coat real stone paint comprises the following components by taking the total mass of the non-top-coat real stone paint as 100 percent: 20-21% of organic silicon emulsion, 71-74% of colored sand, 0.2-3.3% of auxiliary agent and 100% of water; the organic silicon emulsion comprises a combination of a first silicone-acrylate emulsion and a second silicone-acrylate emulsion; the silicon content of the first silicone-acrylate emulsion is 3% -6%; the silicon content of the second silicone-acrylate emulsion is 14% -16%. The non-top-coat real stone paint disclosed by the invention is simple in raw material composition, low in cost, good in texture of a further formed coating, excellent in ageing resistance and ultraviolet resistance and excellent in self-cleaning performance.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a top-coat-free real stone paint and a preparation method and application thereof.
Background
The stone-like paint has decorative effect similar to that of marble and granite. Is mainly prepared by natural stone powder with various colors and is applied to the stone imitation effect of the inner wall and the outer wall of a building. The building decorated by the stone paint has natural and real natural color, gives people elegant, harmonious and solemn aesthetic feeling, and is suitable for indoor and outdoor repair of various buildings. Particularly, the natural stone paint is used for decorating curved buildings, is vivid and lifelike, has an effect of returning to nature, is simple and convenient to construct, and enables the stone paint product to be a mainstream product in the current market. However, with the current increasingly serious environmental pollution, the haze days are more and more, the content of PM2.5 in the air is still low, the requirement on the self-cleaning aspect of the exterior wall coating is higher and higher, in addition, the ultraviolet irradiation in the natural world can cause the pulverization of the real stone paint coating, and the weather resistance of the real stone paint is examined. Therefore, it is desired to make a breakthrough in the weather resistance and stain resistance of stone-like paints.
CN104775575A discloses a real stone paint construction method, which comprises the steps of cleaning a base layer, repairing pits on a wall surface to be painted, spraying alkali-resistant primer, snapping and pasting beautiful grain paper, spraying the real stone paint for the first time, spraying the real stone paint for the second time, tearing and tearing off the beautiful grain paper and pointing, spraying finish paint, spraying finish varnish after the real stone paint is completely dried, and forming the real stone paint layer on the surface of the wall surface to be painted. The disclosed stone-like paint construction method has the advantages of simple production process, easy operation and low cost; is an environment-friendly wall coating, and has the functions of energy conservation and environmental protection; the chromatic aberration can be avoided to a great extent, and the beauty of the outer wall surface is improved; the defects of cracks, hollowing and the like formed inside the paint are avoided, the paint layer is prevented from falling off, the service life of the paint surface is prolonged, and the paint can be matched with the service life of a building.
The current real mineral varnish product is still stronger to the absorption of organic matter in the air owing to the veneer of itself with unevenness, is difficult to again by the rainwater wash, and the outer wall also has basically not the way to carry out artifical washing moreover, and clean contaminated outer wall does not need higher input at all simultaneously, and surfactant's use can cause serious pollution to the environment moreover. Most manufacturers solve the problem by using finish varnish, but the cost of construction materials and labor is undoubtedly increased for the first side and the construction side, the problem of flower formation is easily caused by uneven finish brushing, the overall coating appearance effect of a finished product is influenced, but the weather resistance is influenced by the fact that a real stone paint coating is easily damaged by ultraviolet rays without using the finish varnish, and the demand of the real stone paint which can achieve self-cleaning and weather resistance without finish is higher and higher at present.
CN111018401A discloses a finish-free super-weather-resistant real stone paint and a preparation method thereof, belonging to the technical field of paint, wherein the disclosed real stone paint comprises the following components in parts by mass: 100 portions of water, 1 to 3 portions of cellulose, 0.5 to 1 portion of organic bentonite, 1 to 5 portions of multifunctional additive, 190 portions of silicone-acrylic emulsion, 4 to 9 portions of antifreeze, 6 to 11 portions of film forming additive, 0.5 to 3 portions of defoamer, 1 to 5 portions of preservative, 0.5 to 3 portions of thickener, 5 to 15 portions of non-facing material and 750 portions of natural colored sand; the real stone paint disclosed by the method has extremely strong hydrophobicity on the surface of a paint film under the condition that finish paint is not sprayed, the water absorption of the paint film is reduced, the adsorption and adhesion of the paint film to a pollution source are greatly reduced, the super-strong hydrophobic anti-fouling capability is realized, the paint film is effectively prevented from being polluted, and the building is clean and beautiful for a long time.
In conclusion, it is important to develop more types of finish-free real stone paint with excellent comprehensive performance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the mat-free real stone paint and the preparation method and the application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a finishing-free real stone paint, which comprises the following components by taking the total mass of the finishing-free real stone paint as 100 percent:
the organic silicon emulsion comprises a combination of a first silicone-acrylate emulsion and a second silicone-acrylate emulsion;
the silicon content of the first silicone-acrylate emulsion is 3% -6%, such as 3.5%, 4%, 4.5%, 5%, 5.5% and the like;
the silicon content of the second silicone-acrylate emulsion is 14% -16%, such as 14.5%, 15%, 15.5% and the like.
The coating is used in a matching way under a specific proportion and is filled in a framework formed by the colored sand, so that a coating film of the real stone paint does not need to be provided with a cover surface, and the formed coating film is more compact, good in texture, high in cohesive force, excellent in friction resistance, excellent in aging resistance and ultraviolet resistance and excellent in self-cleaning performance.
In the invention, the mass percentage of the organic silicon emulsion is 20-21%, such as 20.2%, 20.4%, 20.6%, 20.8% and the like.
The mass percent of the colored sand is 71-74%, such as 71.5%, 72%, 72.5%, 73%, 73.5% and the like.
The mass percentage of the auxiliary agent is 0.2-3.3%, such as 0.5%, 1%, 1.5%, 2%, 2.5%, 3% and the like.
Preferably, the mass percentage of the first silicone-acrylate emulsion is 30% -50% based on 100% of the total mass of the silicone emulsion, such as 32%, 34%, 36%, 38%, 40%, 42%, 44%, 46%, 48%, etc.
Preferably, the first silicone-acrylate emulsion has a cross-linked structure.
Preferably, the colored sand comprises any one of a first colored sand, a second colored sand, a third colored sand or a fourth colored sand or a combination of at least two of the same, wherein typical but non-limiting combinations include: the combination of the first colored sand and the second colored sand, the combination of the second colored sand, the third colored sand and the fourth colored sand, the combination of the first colored sand, the second colored sand, the third colored sand and the fourth colored sand and the like, and the combination of the first colored sand, the second colored sand, the third colored sand and the fourth colored sand or the combination of the second colored sand, the third colored sand and the fourth colored sand is further preferred;
the particle size of the first colored sand is 20-30 meshes and is not equal to 30 meshes, such as 22 meshes, 24 meshes, 26 meshes, 28 meshes and the like;
the grain size of the second colored sand is 30-50 meshes and is not equal to 50 meshes, such as 32 meshes, 34 meshes, 36 meshes, 38 meshes, 40 meshes, 42 meshes, 44 meshes, 46 meshes, 48 meshes and the like;
the particle size of the third colored sand is 50-80 meshes and is not equal to 80 meshes, such as 55 meshes, 60 meshes, 65 meshes, 70 meshes, 75 meshes and the like;
the particle size of the fourth colored sand is 80-120 meshes and is not equal to 120 meshes, such as 85 meshes, 90 meshes, 95 meshes, 100 meshes, 105 meshes, 110 meshes, 115 meshes and the like.
In the invention, the first colored sand, the second colored sand, the third colored sand and the fourth colored sand are respectively obtained by adopting molecular sieves with corresponding particle sizes.
According to the invention, the color sands with different particle sizes are used in a matched manner to play a role of embedding, extruding and locking, so that a space skeleton formed by the color sands is more compact, a compact paint film coating further formed by the color sands has good stain resistance and hydrophobic property, the structure has the advantages of higher internal friction angle and higher cohesive force, the contact angle of the paint film is higher than 150 degrees, the rolling angle is lower than 5 degrees, and 90% of domestic dirt and jelly can not be attached to the surface of the real stone paint coating.
Preferably, the mass percentage of the first colored sand is 0% to 10%, such as 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, etc., based on 100% of the total mass of the colored sand. The first color sand has too high proportion, the texture of the stone-like paint is too concave-convex, the coating is rough, and dust deposition is easy to occur to reduce the stain resistance of the coating.
Preferably, the second colored sand is 5 to 15 mass percent, such as 6, 8, 10, 12, 14, etc., based on 100 mass percent of the total colored sand. The second colored sand has a high proportion, so that the real stone paint has poor application property; the coating film had poor surface texture compared to the case of an excessively low coating film.
Preferably, the mass percentage of the third colored sand is 30-35%, such as 31%, 32%, 33%, 34%, etc., based on 100% of the total mass of the colored sand. The high proportion of the third color sand easily causes poor construction performance; the coating film had poor surface texture compared to the case of an excessively low coating film.
Preferably, the fourth colored sand is 50 to 55 percent by mass, such as 51, 52, 53, 54 percent by mass and the like, based on 100 percent by mass of the total colored sand. The fourth color sand has too high proportion and poor surface texture of the coating film; the low proportion affects the workability and the appearance effect.
Preferably, the stone-like paint further comprises a filler.
Preferably, the filler comprises ground calcium carbonate. The heavy calcium carbonate can fill a space skeleton structure formed by the colored sand.
Preferably, the particle size of the filler is 180-220 meshes, such as 185 meshes, 190 meshes, 195 meshes, 200 meshes, 205 meshes, 210 meshes, 215 meshes and the like.
Preferably, the adjuvant comprises any one or a combination of at least two of a fungicide, a coalescent, a light stabilizer, an antifreeze, or a thickener, wherein typical but non-limiting combinations include: combinations of bactericides and coalescents, combinations of coalescents, light stabilizers and antifreezes, combinations of bactericides, coalescents, light stabilizers, antifreezes and thickeners, and the like.
The light stabilizer contained in the real stone paint can shield ultraviolet rays, simultaneously captures free radicals caused by ultraviolet radiation, prevents the molecular fracture of a coating film, and enables the real stone paint coating to have good aging resistance and weather resistance.
Preferably, the weight percentage of the bactericide is 0.2% -0.3%, such as 0.22%, 0.24%, 0.26%, 0.28%, etc., based on 100% of the total mass of the finishing-free real stone paint.
Preferably, the weight percentage of the film-forming assistant is 0.6% -1.0%, such as 0.7%, 0.8%, 0.9% and the like, based on 100% of the total mass of the finishing-free real stone paint.
Preferably, the weight percentage of the light stabilizer is 0.4% -0.6%, such as 0.42%, 0.44%, 0.46%, 0.48%, 0.5%, 0.52%, 0.54%, 0.56%, 0.58% and the like, based on 100% of the total mass of the finishing-free real stone paint.
Preferably, the weight percentage of the antifreeze is 0.4% -0.6%, such as 0.42%, 0.44%, 0.46%, 0.48%, 0.5%, 0.52%, 0.54%, 0.56%, 0.58% and the like, based on 100% of the total mass of the finishing-free real stone paint.
Preferably, the weight percentage of the thickener is 0.4% -0.8%, such as 0.45%, 0.5%, 0.55%, 0.6%, 0.65%, 0.7%, 0.75%, etc., based on 100% of the total mass of the finishing-free real stone paint.
In a second aspect, the present invention provides a method for preparing the finishing-free real stone paint of the first aspect, wherein the method for preparing the finishing-free real stone paint comprises the following steps:
and mixing the organic silicon emulsion, water and an auxiliary agent to form a first mixed solution, and mixing the first mixed solution with the colored sand to obtain the finish-free real stone paint.
Preferably, the color sand is further mixed with the first mixed solution in the order of the mesh number from high to low.
Preferably, when the grain sizes of the colored sands are the same, the colored sands are further mixed with the first mixed solution in the order of light color to dark color.
Preferably, the preparation method specifically comprises: mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion according to the formula for the first time, then sequentially mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion with water, a bactericide and an antifreezing agent for the second time, then mixing the second silicone-acrylate emulsion and the film-forming assistant, a light stabilizer and a thickening agent, and finally mixing the mixture with colored sand and heavy calcium carbonate to obtain the finish-free real stone paint.
Preferably, the rotation speed of the first mixing is 300-500rpm, such as 320rpm, 340rpm, 360rpm, 380rpm, 400rpm, 420rpm, 440rpm, 460rpm, 480rpm and the like.
Preferably, the rotation speed of the second mixing is 300-500rpm, such as 320rpm, 340rpm, 360rpm, 380rpm, 400rpm, 420rpm, 440rpm, 460rpm, 480rpm, and the like.
Preferably, the time for the second mixing is 3-5min, such as 3.2min, 3.4min, 3.6min, 3.8min, 4.0min, 4.2min, 4.4min, 4.6min, 4.8min, and the like.
Illustratively, the preparation method of the first silicone-acrylate emulsion comprises the following steps:
the method comprises the steps of synthesizing an ionic crosslinking silicone-acrylate emulsion by taking methyl methacrylate as a main material and adopting an ionic crosslinking polymerization process, adjusting the pH value to 7-8, and obtaining the first silicone-acrylate emulsion through a crosslinking reaction, an ion exchange reaction and a crosslinking curing reaction.
Illustratively, the preparation method of the second silicone-acrylate emulsion comprises the following steps:
and copolymerizing acrylic monomers such as methyl methacrylate and the like with organic silicon monomers, pre-emulsifying the monomers, mixing seed emulsions and dropwise adding the monomers to obtain the second silicone-acrylate emulsion.
In a third aspect, the invention provides a use of the finishing-free real stone paint in the first aspect in building.
Compared with the prior art, the invention has the following beneficial effects:
the non-top-coat stone-like paint disclosed by the invention is simple in raw material composition, low in cost, capable of meeting technical requirements, stable in state in a container, free of barrier in spraying, free of deterioration in low-temperature storage, normal in appearance of a coating film, short in surface drying time, free of cracks in the coating film in initial drying, excellent in water resistance, alkali resistance, impact resistance and artificial aging resistance, strong in temperature change resistance and stain resistance of the coating film, high in bonding strength before and after soaking, capable of achieving the performance of the top-coat stone-like paint without top-coat treatment, and excellent in comprehensive performance.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
In the invention, in each example, the specific types and purchase information of the auxiliary agents in the raw materials are as follows:
and (3) bactericide: the name is mildew-proof bactericide which is purchased from Suole and the brand number is LPC 5;
an antifreezing agent: known under the name propylene glycol, available from dow chemical;
film-forming assistant CS water: the alcohol ester twelve, available from eastman;
light stabilizer: purchased from the warp-weft chemical industry and having the trade mark of 944;
thickening agent: named polyurethane thickener, available from dow chemical under the brand 612 NC.
Example 1
The embodiment provides a real mineral varnish of exempting from top facing, with the total mass of the real mineral varnish of exempting from top facing is 100 parts, the real mineral varnish of exempting from top facing includes following component according to parts by weight:
the first silicone-acrylic emulsion: silicon content of 4% available from Badufu, model RS 998-1;
the first silicone-acrylic emulsion: silicon content 15%, available from Bardfu, model RS 996-1;
the color sand is composed of 5% of first color sand, 10% of second color sand, 32% of third color sand and 53% of fourth color sand in percentage by mass respectively based on 100% of the total mass of the color sand.
The finishing-free real stone paint is prepared by the following method, and the method comprises the following steps:
mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion according to the formula for the first time, then sequentially mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion with water, a bactericide and an antifreezing agent for the second time, then mixing the second silicone-acrylate emulsion and the film-forming assistant, a light stabilizer and a thickening agent, and finally mixing the mixture with colored sand and heavy calcium carbonate to obtain the stone-like paint.
Example 2
The embodiment provides a real mineral varnish of exempting from top facing, with the total mass of real mineral varnish is 100 parts, real mineral varnish of exempting from top facing includes following component according to parts by weight:
the first silicone-acrylic emulsion: silicon content 3%, available from Badufu, model RS 998-2;
the first silicone-acrylic emulsion: silicon content of 16% available from Badufu, model RS 996-2;
the color sand is composed of 15% of second color sand, 35% of third color sand and 50% of fourth color sand in percentage by mass respectively, wherein the total mass of the color sand is 100%.
The finishing-free real stone paint is prepared by the following method, and the method comprises the following steps:
mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion according to the formula for the first time, then sequentially mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion with water and an antifreezing agent for the second time, then mixing the second silicone-acrylate emulsion and the water with a film-forming assistant, a light stabilizer and a thickening agent, and finally mixing the mixture with colored sand and heavy calcium carbonate to obtain the stone-like paint.
Example 3
The embodiment provides a real mineral varnish of exempting from top facing, with the total mass of the real mineral varnish of exempting from top facing is 100 parts, the real mineral varnish of exempting from top facing includes following component according to parts by weight:
the first silicone-acrylic emulsion: silicon content 6%, available from Bardfu, model RS 998-3;
the first silicone-acrylic emulsion: silicon content 14%, available from Badufu, model RS 996-3;
the color sand comprises, by mass, 10% of first color sand, 5% of second color sand, 30% of third color sand and 55% of fourth color sand, wherein the total mass of the color sand is 100%.
The finishing-free real stone paint is prepared by the following method, and the method comprises the following steps:
mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion according to the formula for the first time, then sequentially mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion with water and an antifreezing agent for the second time, then mixing the second silicone-acrylate emulsion and the water with a film-forming assistant, a light stabilizer and a thickening agent, and finally mixing the mixture with colored sand and heavy calcium carbonate to obtain the stone-like paint.
Comparative example 1
This comparative example differs from example 1 in that the first silicone-acrylic emulsion is replaced by a second silicone-acrylic emulsion of equal mass, the remainder being identical to example 1.
Comparative example 2
This comparative example differs from example 1 in that the second silicone-acrylic emulsion is replaced by a first silicone-acrylic emulsion of equal mass, the remainder being the same as example 1.
Comparative example 3
The comparative example provides a real stone paint which comprises the following components in parts by weight:
the color sand is composed of 5% of first color sand, 10% of second color sand, 32% of third color sand and 53% of fourth color sand in percentage by mass respectively based on 100% of the total mass of the color sand.
The pure acrylic emulsion is purchased from BaDE Rich and has the brand number of BS 9765.
The real stone paint is prepared by the following method, and the method comprises the following steps:
mixing the pure acrylic emulsion with water, a bactericide and an antifreezing agent for the second time in sequence, then mixing with a film-forming aid, a light stabilizer and a thickening agent, and finally mixing with colored sand to obtain the stone-like paint.
Comparative example 4
The present comparative example differs from comparative example 3 in that the real stone paint was subjected to finishing treatment of spraying a silicone-acrylic finishing varnish after the real stone paint formed a paint film.
Performance testing
The non-finished real stone paints described in examples 1 to 3 and comparative examples 1 to 4 were tested according to the standard of finished real stone paints JG/T24-2018, the specifications of which are shown in Table 1.
TABLE 1
The test results are summarized in tables 2-3.
TABLE 2
TABLE 3
As can be seen from the analysis of the data in tables 1 and 2, the top-coating-free real stone paint disclosed by the invention can reach the standard of the top-coated real stone paint without performing top coating treatment.
The data in tables 2-3 are analyzed, and the finishing-free real stone paint disclosed by the invention meets the technical requirements, is stable in state in a container, is free from barrier in spraying, is not deteriorated in low-temperature storage, has a normal coating film appearance, short surface drying time, is free from cracks in the initial drying, is excellent in water resistance, alkali resistance, impact resistance and artificial aging resistance, is strong in temperature denaturation resistance and stain resistance, and can keep high bonding strength before and after soaking.
As can be seen from the analysis of comparative examples 1-2 and example 1, comparative examples 1-2 are inferior to example 1, and the real stone paint performance formed by combining two silicone-acrylate emulsions with different silicon contents is proved to be better.
As can be seen from the analysis of comparative example 3 and example 1, comparative example 3 is inferior in performance to example 1, demonstrating that the real stone paint without finish treatment is inferior in performance; as can be seen from the analysis of comparative example 4 and comparative example 3, comparative example 4 was improved in the finishing property.
The present invention is illustrated in detail by the examples described above, but the present invention is not limited to the details described above, i.e., it is not intended that the present invention be implemented by relying on the details described above. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (10)
1. The top-coating-free real stone paint is characterized by comprising the following components in percentage by mass based on 100 percent:
the organic silicon emulsion comprises a combination of a first silicone-acrylate emulsion and a second silicone-acrylate emulsion;
the silicon content of the first silicone-acrylate emulsion is 3% -6%;
the silicon content of the second silicone-acrylate emulsion is 14% -16%.
2. The finishing-free real stone paint as claimed in claim 1, wherein the mass percent of the first silicone-acrylic emulsion is 30-50% based on 100% of the total mass of the silicone emulsion;
preferably, the first silicone-acrylate emulsion has a cross-linked structure.
3. The finishing-free real stone paint as claimed in claim 1 or 2, wherein the colored sand comprises any one of or a combination of at least two of first colored sand, second colored sand, third colored sand or fourth colored sand;
the grain size of the first colored sand is 20-30 meshes and is not equal to 30 meshes;
the grain size of the second colored sand is 30-50 meshes and is not equal to 50 meshes;
the particle size of the third colored sand is 50-80 meshes and is not equal to 80 meshes;
the particle size of the fourth color sand is 80-120 meshes and is not equal to 120 meshes.
4. The finishing-free real stone paint as claimed in claim 3, wherein the mass percent of the first colored sand is 0-10% based on 100% of the total mass of the colored sand;
preferably, the mass percent of the second colored sand is 5-15% based on 100% of the total mass of the colored sand;
preferably, the third colored sand accounts for 30-35% of the total mass of the colored sand;
preferably, the fourth colored sand accounts for 50-55% of the total mass of the colored sand.
5. The finishing-free real stone paint as claimed in any one of claims 1 to 4, wherein the finishing-free real stone paint further comprises a filler;
preferably, the filler comprises ground calcium carbonate;
preferably, the particle size of the filler is 180-220 meshes.
6. The finishing-free real stone paint as claimed in any one of claims 1 to 5, wherein the auxiliary comprises any one or a combination of at least two of a bactericide, a film-forming auxiliary, a light stabilizer, an antifreezing agent or a thickener;
preferably, the weight percentage of the bactericide is 0.2-0.3% based on 100% of the total mass of the finishing-free real stone paint;
preferably, the weight percentage of the film-forming assistant is 0.6% -1.0% based on 100% of the total mass of the finishing-free real stone paint;
preferably, the weight percentage of the light stabilizer is 0.4-0.6% based on 100% of the total mass of the finishing-free real stone paint;
preferably, the weight percentage of the antifreezing agent is 0.4% -0.6% based on 100% of the total mass of the finishing-free real stone paint;
preferably, the weight percentage of the thickener is 0.4-0.8% based on 100% of the total mass of the finishing-free real stone paint.
7. A method for preparing the finishing-free real stone paint as claimed in any one of claims 1 to 6, which is characterized by comprising the following steps:
and mixing the organic silicon emulsion, water and an auxiliary agent to form a first mixed solution, and mixing the first mixed solution with the colored sand to obtain the finish-free real stone paint.
8. The preparation method of claim 7, wherein the colored sand is further mixed with the first mixed solution in the order of the mesh number from high to low;
preferably, when the particle sizes of the colored sands are the same, the colored sands are further mixed with the first mixed solution according to the sequence of light to dark;
preferably, the preparation method specifically comprises: mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion according to the formula for the first time, then sequentially mixing the first silicone-acrylate emulsion and the second silicone-acrylate emulsion with water, a bactericide and an antifreezing agent for the second time, then mixing the second silicone-acrylate emulsion and the film-forming assistant, a light stabilizer and a thickening agent, and finally mixing the mixture with colored sand and heavy calcium carbonate to obtain the finish-free real stone paint.
9. The method as claimed in claim 8, wherein the first mixing is performed at a speed of 300-500 rpm;
preferably, the rotation speed of the second mixing is 300-500 rpm;
preferably, the time of the second mixing is 3-5 min.
10. Use of the finish-free real stone paint as claimed in any one of claims 1 to 6 in construction.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115521679A (en) * | 2022-08-29 | 2022-12-27 | 广东美涂士建材股份有限公司 | Non-top-coat silicone-acrylic self-cleaning stone-like paint and preparation process thereof |
| CN116875136A (en) * | 2023-07-25 | 2023-10-13 | 嘉宝莉化工集团股份有限公司 | Batch scraping type colorful special-purpose double-in-person cleaning scratch-resistant finishing varnish and preparation method thereof |
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| CN116875136A (en) * | 2023-07-25 | 2023-10-13 | 嘉宝莉化工集团股份有限公司 | Batch scraping type colorful special-purpose double-in-person cleaning scratch-resistant finishing varnish and preparation method thereof |
| CN116875136B (en) * | 2023-07-25 | 2024-05-31 | 嘉宝莉化工集团股份有限公司 | Batch scraping type colorful special-purpose double-in-person cleaning scratch-resistant finishing varnish and preparation method thereof |
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