CN108439863B - Anti-drop basalt coating for interior and exterior walls and preparation method thereof - Google Patents
Anti-drop basalt coating for interior and exterior walls and preparation method thereof Download PDFInfo
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
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- C04B2111/00482—Coating or impregnation materials
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- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The invention discloses an anti-falling basalt coating for internal and external walls, solves the technical problems of low strength, easy cracking and falling of the existing coating, and belongs to the technical field of coating preparation. The coating comprises the following raw materials in parts by weight: 20-30 parts of basalt powder, 8-12 parts of shell powder, 4-8 parts of diatomite, 2-5 parts of sodium carboxymethylcellulose, 1-5 parts of quartz stone powder, 0.1-0.3 part of graphene and 6-10 parts of active carbon. And a preparation method of the anti-drop basalt coating for the inner and outer walls is provided, which comprises the steps of mixing, stirring, drying and the like of the raw materials. The anti-falling basalt coating for the inner and outer walls has the advantages of strong wall surface adhesive force, good durability, no powder falling, no fading, no cracking and falling, and is suitable for various building interior decorations. The preparation method is simple and feasible, and is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of paint preparation, in particular to an anti-drop basalt paint for internal and external walls and a preparation method thereof.
Background
With the improvement of society and living standard of people, the problems of decoration pollution and indoor pollution are paid extensive attention and attention, the aesthetic level of people is gradually changed, the requirements of people on home decoration are further improved, and the requirements on decorations and colors of wall surfaces are higher.
At present, the coating has various markets and various varieties, but shows various advantages and disadvantages to different degrees. For example, although the conventional water-soluble paint such as polyvinyl alcohol is low in price, but is not waterproof, the emulsion paint such as acrylate contains various additives, is not environment-friendly and easy to crack, and the paint such as diatom ooze and seaweed ooze which has been popular in the recent years is environment-friendly, but has high cost, low strength and is easy to crack and fall off, so that the development of the internal and external wall paint which has the functions of cracking and falling off while being environment-friendly is urgently needed, and the higher life quality of people is met.
Disclosure of Invention
The invention provides a basalt coating for anti-falling internal and external walls and a preparation method thereof, aiming at the technical problems that the existing coating for internal and external walls is low in strength and easy to crack and fall off.
In order to achieve the above purpose, the invention provides the following technical scheme:
the anti-drop basalt coating for the inner and outer walls comprises the following raw materials in parts by weight: 20-30 parts of basalt powder, 8-12 parts of shell powder, 4-8 parts of diatomite, 2-5 parts of sodium carboxymethylcellulose, 1-5 parts of quartz stone powder, 0.1-0.3 part of graphene and 6-10 parts of active carbon;
the basalt powder is prepared by soaking 10-15% of hydrogen peroxide and 25-30% of polyvinyl acetate in water mixed liquor for 3-5 hours, then drying at 50-60 ℃, and crushing, and the particle size of the basalt powder is 200-500 microns;
the shell powder is prepared by calcining and crushing the shell powder at 1000-1200 ℃, and the particle size of the shell powder is 20-60 microns.
As a preferred embodiment, the anti-dropping basalt coating for the inner and outer walls comprises the following raw materials in parts by weight: 25 parts of basalt powder, 10 parts of shell powder, 6 parts of diatomite, 4 parts of sodium carboxymethyl cellulose, 3 parts of quartz powder, 0.2 part of graphene and 8 parts of activated carbon.
In a preferred embodiment, the basalt powder is prepared by soaking 12% hydrogen peroxide and 25% polyvinyl acetate in water mixed solution for 4 hours, drying at 55 ℃, and crushing, and the particle size of the basalt powder is 300-400 microns;
in a preferred embodiment, the shell powder is prepared by calcining at 1100 ℃ and crushing, and the particle size of the shell powder is 30-50 microns.
In a preferred embodiment, the anti-dropping basalt coating material for interior and exterior walls further comprises 0.5 to 1 part by weight of an inorganic pigment.
The invention relates to a preparation method of an anti-drop basalt coating for interior and exterior walls, which comprises the following steps:
(1) dissolving graphene powder in dimethylformamide, adding octaphenyl octasilsesquioxane, stirring at the rotating speed of 2500r/min for 90min, uniformly stirring, and performing ultrasonic treatment for 60 min to obtain a precursor 1;
(2) grinding diatomite and sieving the diatomite by a sieve of 150-300 meshes, drying the diatomite to control the water content to be less than or equal to 8%, adding basalt powder, heating the mixture to 80-110 ℃, stirring the mixture for 30-50 min at the rotating speed of 1500-2000 r/min, adding shell powder, continuously stirring the mixture for 15-30 min, and then respectively cleaning the mixture for 2-3 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2;
(3) mixing sodium carboxymethylcellulose and activated carbon powder, mixing for 30-40 min at a stirring speed of 2000-3000 r/min to form a porous mixture, adding an inorganic pigment, and continuously mixing and stirring for 20-30 min to enable the inorganic pigment to be uniformly distributed in the porous mixture to obtain a precursor 3;
(4) and (3) mixing the front material 2 and the front material 3, adding the front material 1, heating to 60-80 ℃, stirring at the rotating speed of 2500-3000 r/min for 20-30 min, adding quartz powder, continuously stirring for 10-20 min, discharging and drying to obtain the anti-drop basalt coating for the inner and outer walls.
Compared with the prior art, the invention has the beneficial effects that:
the basalt washed with water is adopted in the anti-drop basalt coating for the inner and outer walls, a network structure can be coated on the surface of the diatomite, the flexibility and the strength of the diatomite are improved, and the phenomena of cracking and dropping of the diatomite in the using process are prevented. The anti-drop basalt coating for the inner and outer walls is added with the shell powder calcined at high temperature, and has strong porosity, high porosity, strong adsorption capacity, and bacteriostatic and bactericidal capabilities. According to the anti-falling basalt coating for the inner and outer walls, a small amount of graphene is added to further enhance the strength, flexibility and anti-cracking performance of diatom ooze, so that the technical problems that the diatom ooze coating is easy to fall off and crack and low in strength are solved, and the comprehensive performance of diatom ooze wall materials is improved.
In conclusion, the anti-falling basalt coating for the inner and outer walls has the advantages of strong wall surface adhesive force, good durability, no powder falling, no fading, no cracking and falling, and is suitable for indoor decoration of various buildings. The preparation method is simple and feasible, and is suitable for large-scale production.
Detailed Description
The anti-drop basalt coating for the inner and outer walls comprises the following raw materials in parts by weight: 20-30 parts of basalt powder, 8-12 parts of shell powder, 4-8 parts of diatomite, 2-5 parts of sodium carboxymethylcellulose, 1-5 parts of quartz stone powder, 0.1-0.3 part of graphene and 6-10 parts of active carbon.
According to the proportion, the preparation method of the anti-drop basalt coating for the inner and outer walls comprises the following steps:
(1) dissolving graphene powder in dimethylformamide, adding octaphenyl octasilsesquioxane, stirring at the rotating speed of 2500r/min for 90min, uniformly stirring, and performing ultrasonic treatment for 60 min to obtain a precursor 1;
(2) grinding diatomite and sieving the diatomite by a sieve of 150-300 meshes, drying the diatomite to control the water content to be less than or equal to 8%, adding basalt powder, heating the mixture to 80-110 ℃, stirring the mixture for 30-50 min at the rotating speed of 1500-2000 r/min, adding shell powder, continuously stirring the mixture for 15-30 min, and then respectively cleaning the mixture for 2-3 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2;
(3) mixing sodium carboxymethylcellulose and activated carbon powder, mixing for 30-40 min at a stirring speed of 2000-3000 r/min to form a porous mixture, adding an inorganic pigment, and continuously mixing and stirring for 20-30 min to enable the inorganic pigment to be uniformly distributed in the porous mixture to obtain a precursor 3;
(4) and (3) mixing the front material 2 and the front material 3, adding the front material 1, heating to 60-80 ℃, stirring at the rotating speed of 2500-3000 r/min for 20-30 min, adding quartz powder, continuously stirring for 10-20 min, discharging and drying to obtain the anti-drop basalt coating for the inner and outer walls.
The basalt powder is prepared by soaking 10-15% of hydrogen peroxide and 25-30% of polyvinyl acetate in water mixed liquor for 3-5 hours, drying at 50-60 ℃ and crushing, and the particle size of the basalt powder is 200-500 micrometers. The basalt mainly comprises silicon dioxide, aluminum oxide, ferric oxide, calcium oxide, magnesium oxide, and small amount of potassium oxide and sodium oxide, wherein the content of silicon dioxide is the largest, and the silicon dioxide accounts for about forty-five to fifty percent. The basalt has very high durability and many joints, and joint surfaces of the basalt form pentagon or hexagon to form columnar joints, and the basalt after washing can be coated into a network structure on the surface of the diatomite, so that the flexibility and the strength of the diatomite are improved, and the phenomena of cracking and falling off of the diatomite in the using process are prevented.
The shell powder is prepared by calcining and crushing at 1000-1200 ℃, and the particle size of the shell powder is 20-60 microns. The main components of 95 percent of shell powder are calcium carbonate, chitin, a small amount of amino acid and polysaccharide substances, and the impurities in the shell are removed through high-temperature calcination to form a porous fibrous bispiral structure, and the shell powder is rich in amino acid and trace elements beneficial to human bodies: calcium, phosphorus, manganese, zinc, copper, potassium and magnesium, as the granularity of the shell powder has the structural characteristic of a molecular sieve, the spirochete has strong porosity, high porosity and strong adsorption capacity, and calcium is calcined at high temperature to generate redox effect, thereby having the capabilities of bacteriostasis and sterilization.
The diatomite disclosed by the invention is mainly composed of opal, is rich in various beneficial mineral substances, is light and soft in texture, and has countless tiny holes on the particle surface, the porosity reaches over 90%, and the specific surface area reaches 65m 2/g. The outstanding molecular sieve structure determines the unique functions, has strong physical adsorption performance and ion exchange performance, can spray water on a large area of a wall surface, can absorb a large amount of water, shows strong adsorption performance, slowly and continuously releases negative oxygen ions, and can effectively decompose harmful carcinogens such as formaldehyde, benzene, radon gas and the like in indoor air.
The graphene has the excellent performances of highest strength, highest toughness, wear resistance, corrosion resistance, high temperature resistance and the like, the connection between carbon atoms in the graphene is very flexible, when an external force is applied to the graphene, the carbon atom surface can be bent and deformed, so that the carbon atoms do not need to be rearranged to adapt to the external force, and the structure is kept stable.
The invention adopts sodium carboxymethyl cellulose with the functions of adhesion, thickening, strengthening, emulsification, water retention, suspension and the like, can promote the dispersion of inorganic pigment and strengthen the combination with activated carbon powder, and has more uniform and bright color. In addition, the activated carbon contains a large number of micropores, has a huge specific surface area and a strong adsorption capacity, and can be fully contacted with impurities in gas due to the large surface area of the carbon particles, and the impurities in the gas are adsorbed after being contacted with the micropores, so that the air purification effect is achieved.
The quartz stone is a siliceous raw material with stable chemical properties, the nano-scale quartz stone powder is used as the bonding powder, and the quartz stone powder with the particle size of 100-1000 nm is preferably used, so that the raw materials are better bonded together and have uniform texture, and meanwhile, the holes of the diatomite are not sealed, and the good moisture-adjusting property and adsorbability of the diatomite are ensured.
The present invention adopts inorganic pigment, which has high sun resistance, high heat resistance, high weather resistance, high solvent resistance and high covering power, and the inorganic pigment includes various metal oxides, chromate, carbonate, sulfate, sulfide, etc. such as aluminum powder, copper powder, carbon black, zinc white, titanium white, etc.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the following embodiments. The raw materials and reagents adopted by the invention are all commercial products.
Example 1 preparation of anti-dropping basalt coating for interior and exterior walls
(1) Dissolving 0.1 part of graphene powder in 5 parts of dimethylformamide by weight, adding 0.1 part of octaphenyl octasilsesquioxane by weight, stirring at the rotating speed of 2500r/min for 90min, and performing ultrasonic treatment for 60 min after uniform stirring to obtain a precursor 1;
(2) grinding 4 parts of diatomite and sieving the diatomite by a 300-mesh sieve, drying the diatomite to control the water content to be less than or equal to 8 percent, adding 20 parts of basalt powder, heating the basalt powder to 80 ℃, stirring the basalt powder for 50min at the rotating speed of 1500r/min, adding 8 parts of shell powder, continuously stirring the shell powder for 15min, and then respectively washing the shell powder for 2 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2; the basalt powder is prepared by soaking 10% of hydrogen peroxide and 25% of polyvinyl acetate in water mixed liquor for 5 hours, then drying at 50 ℃ and crushing, and the particle size of the basalt powder is 200 microns; the shell powder is prepared by calcining and crushing at the temperature of 1000 ℃, and the particle size of the shell powder is 20 microns;
(3) mixing 2 parts of sodium carboxymethylcellulose and 6 parts of activated carbon powder, mixing at a stirring speed of 2000r/min for 40min to form a porous mixture, adding 0.5 part of inorganic pigment, and continuously mixing and stirring for 20min to ensure that the inorganic pigment is uniformly mixed in the porous mixture to obtain a precursor 3;
(4) and mixing the front material 2 and the front material 3, adding the front material 1, heating to 60 ℃, stirring at the rotating speed of 2500r/min for 30min, adding 1 part of quartz powder, continuously stirring for 10min, discharging and drying to obtain the anti-drop basalt coating for the inner wall and the outer wall.
Example 2 preparation of anti-dropping basalt coating for interior and exterior walls
(1) Dissolving 0.2 part of graphene powder in 5 parts of dimethylformamide by weight, adding 0.1 part of octaphenyl octasilsesquioxane by weight, stirring at the rotating speed of 2500r/min for 90min, and performing ultrasonic treatment for 60 min after uniform stirring to obtain a precursor 1;
(2) grinding 5 parts of diatomite, sieving the ground diatomite by a 200-mesh sieve, drying the ground diatomite to control the water content to be less than or equal to 8%, adding 22 parts of basalt powder, heating the mixture to 90 ℃, stirring the mixture for 30min at the rotating speed of 2000r/min, adding 9 parts of shell powder, continuously stirring the mixture for 20min, and then respectively washing the mixture for 2 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2; the basalt powder is prepared by soaking 15% of hydrogen peroxide and 30% of polyvinyl acetate in water mixed liquor for 4 hours, then drying at 60 ℃ and crushing, and the particle size of the basalt powder is 300 microns; the shell powder is prepared by calcining and crushing at 1050 ℃, and the particle size of the shell powder is 30 microns;
(3) mixing 3 parts of sodium carboxymethylcellulose and 7 parts of activated carbon powder, mixing at a stirring speed of 2500r/min for 35min to form a porous mixture, adding 0.6 part of inorganic pigment, continuously mixing and stirring for 25min to enable the inorganic pigment to be uniformly distributed in the porous mixture, and obtaining a precursor 3;
(4) and mixing the front material 2 and the front material 3, adding the front material 1, heating to 65 ℃, stirring at the rotating speed of 3000r/min for 20min, adding 2 parts of quartz powder, continuously stirring for 15min, discharging and drying to obtain the anti-drop basalt coating for the inner wall and the outer wall.
Example 3 preparation of anti-dropping basalt coating for interior and exterior walls
(1) Dissolving 3 parts of graphene powder in 5 parts of dimethylformamide by weight, adding 0.1 part of octaphenyl octasilsesquioxane by weight, stirring at the rotating speed of 2500r/min for 90min, and performing ultrasonic treatment for 60 min after uniform stirring to obtain a precursor 1;
(2) grinding 6 parts of diatomite, sieving the ground diatomite by a 300-mesh sieve, drying the ground diatomite to control the water content to be less than or equal to 8 percent, adding 25 parts of basalt powder, heating the mixture to 100 ℃, stirring the mixture for 30min at the rotating speed of 2000r/min, adding 10 parts of shell powder, continuously stirring the mixture for 20min, and then respectively washing the mixture for 3 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2; the basalt powder is prepared by soaking 12% hydrogen peroxide and 25% polyvinyl acetate water mixed liquor for 4h, then drying at 55 ℃ and crushing, and the particle size of the basalt powder is 400 microns; the shell powder is prepared by calcining and crushing at 1100 ℃, and the particle size of the shell powder is 40 microns;
(3) mixing 4 parts of sodium carboxymethylcellulose and 8 parts of activated carbon powder, mixing at a stirring speed of 2500r/min for 35min to form a porous mixture, adding 0.8 part of inorganic pigment, and continuously mixing and stirring for 25min to ensure that the inorganic pigment is uniformly mixed in the porous mixture to obtain a precursor 3;
(4) and mixing the front material 2 and the front material 3, adding the front material 1, heating to 70 ℃, stirring at the rotating speed of 25r/min for 30min, adding 3 parts of quartz powder, continuously stirring for 15min, discharging and drying to obtain the anti-drop basalt coating for the inner wall and the outer wall.
Example 4 preparation of anti-dropping basalt coating for interior and exterior walls
(1) Dissolving 0.1 part of graphene powder in 5 parts of dimethylformamide by weight, adding 0.1 part of octaphenyl octasilsesquioxane by weight, stirring at the rotating speed of 2500r/min for 90min, and performing ultrasonic treatment for 60 min after uniform stirring to obtain a precursor 1;
(2) grinding 7 parts of diatomite, sieving the ground diatomite by a 200-mesh sieve, drying the ground diatomite to control the water content to be less than or equal to 8%, adding 28 parts of basalt powder, heating the mixture to 100 ℃, stirring the mixture for 30min at the rotating speed of 2000r/min, adding 11 parts of shell powder, continuously stirring the mixture for 30min, and then respectively washing the mixture for 2 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2; the basalt powder is prepared by soaking 15% of hydrogen peroxide and 30% of polyvinyl acetate in water mixed liquor for 5 hours, then drying at 60 ℃ and crushing, and the particle size of the basalt powder is 400 microns; the shell powder is prepared by calcining and crushing at 1150 ℃, and the particle size of the shell powder is 50 microns;
(3) mixing 4 parts of sodium carboxymethylcellulose and 8 parts of activated carbon powder, mixing at a stirring speed of 2000r/min for 40min to form a porous mixture, adding 1 part of inorganic pigment, continuously mixing and stirring for 30min to enable the inorganic pigment to be uniformly distributed in the porous mixture, and obtaining a precursor 3;
(4) and mixing the front material 2 and the front material 3, adding the front material 1, heating to 75 ℃, stirring at the rotating speed of 3000r/min for 20min, adding 5 parts of quartz powder, continuously stirring for 20min, discharging and drying to obtain the anti-drop basalt coating for the inner wall and the outer wall.
Example 5 preparation of anti-dropping basalt coating for interior and exterior walls
(1) Dissolving 0.1 part of graphene powder in 5 parts of dimethylformamide by weight, adding 0.1 part of octaphenyl octasilsesquioxane by weight, stirring at the rotating speed of 2500r/min for 90min, and performing ultrasonic treatment for 60 min after uniform stirring to obtain a precursor 1;
(2) grinding 8 parts of diatomite and sieving the diatomite by a 300-mesh sieve, drying the diatomite to control the water content to be less than or equal to 8%, adding 30 parts of basalt powder, heating the basalt powder to 110 ℃, stirring the basalt powder at the rotating speed of 2000r/min for 30min, adding 12 parts of shell powder, continuously stirring the shell powder for 30min, and then respectively cleaning the shell powder for 3 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2; the basalt powder is prepared by soaking 15% of hydrogen peroxide and 30% of polyvinyl acetate in water mixed liquor for 5 hours, then drying at 60 ℃ and crushing, and the particle size of the basalt powder is 500 micrometers; the shell powder is prepared by calcining and crushing at 1200 ℃, and the particle size of the shell powder is 60 microns;
(3) mixing 5 parts of sodium carboxymethylcellulose and 10 parts of activated carbon powder, mixing at a stirring speed of 3000r/min for 30 to form a porous mixture, adding 1 part of inorganic pigment, and continuously mixing and stirring for 30min to ensure that the inorganic pigment is uniformly mixed in the porous mixture to obtain a precursor 3;
(4) and mixing the front material 2 and the front material 3, adding the front material 1, heating to 80 ℃, stirring at the rotating speed of 3000r/min for 20min, adding 5 parts of quartz powder, continuously stirring for 20min, discharging and drying to obtain the anti-drop basalt coating for the inner wall and the outer wall.
Test example 1 test of purifying effect
The national building material industry technical supervision and research center is entrusted to carry out formaldehyde purification efficiency and formaldehyde purification effect durability detection on the coatings obtained in the embodiments 1-5, and the detection is carried out according to the standard JC/T1074-. The results are shown in Table 1.
TABLE 1 results of examining the efficiency of formaldehyde purification and the durability of the effect of formaldehyde purification
Test example 2 Performance test
The coatings obtained in the embodiments 1 to 5 are uniformly coated on the surface of an inner wall after being mixed with water by adopting the prior art, the thickness of the coatings is about 2mm, after the coatings are completely dried, the coatings obtained in the embodiments 1 to 5 are respectively subjected to a bonding strength test by adopting a coating bonding strength detector, a dried wall body is blown and irradiated by adopting a blower and ultraviolet rays, and the peeling, cracking and falling conditions of the coatings on the wall are observed, and the results are shown in table 2.
Table 2 test results of the coating properties obtained in examples 1 to 5
The detection proves that the coating meets the requirements of standard technical indexes in the aspects of formaldehyde purification efficiency and formaldehyde purification effect durability, has the advantages of strong wall surface adhesive force, good durability, no powder falling, no fading, no cracking and no shedding, and is suitable for indoor decoration of various buildings.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention as claimed.
Claims (6)
1. The anti-drop basalt coating for the inner and outer walls is characterized by comprising the following raw materials in parts by weight: 20-30 parts of basalt powder, 8-12 parts of shell powder, 4-8 parts of diatomite, 2-5 parts of sodium carboxymethylcellulose, 1-5 parts of quartz stone powder, 0.1-0.3 part of graphene and 6-10 parts of active carbon;
the basalt powder is prepared by soaking 10-15% of hydrogen peroxide and 25-30% of polyvinyl acetate in water mixed liquor for 3-5 hours, then drying at 50-60 ℃, and crushing, and the particle size of the basalt powder is 200-500 microns;
the shell powder is prepared by calcining and crushing at 1000-1200 ℃, and the particle size of the shell powder is 20-60 microns;
the anti-falling basalt coating for the inner and outer walls is prepared by the following steps:
(1) dissolving graphene powder in dimethylformamide, adding octaphenyl octasilsesquioxane, stirring at the rotating speed of 2500r/min for 90min, uniformly stirring, and performing ultrasonic treatment for 60 min to obtain a precursor 1;
(2) grinding diatomite and sieving the diatomite by a sieve of 150-300 meshes, drying the diatomite to control the water content to be less than or equal to 8%, adding basalt powder, heating the mixture to 80-110 ℃, stirring the mixture for 30-50 min at the rotating speed of 1500-2000 r/min, adding shell powder, continuously stirring the mixture for 15-30 min, and then respectively cleaning the mixture for 2-3 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2;
(3) mixing sodium carboxymethylcellulose and activated carbon powder, mixing for 30-40 min at a stirring speed of 2000-3000 r/min to form a porous mixture, adding an inorganic pigment, and continuously mixing and stirring for 20-30 min to enable the inorganic pigment to be uniformly distributed in the porous mixture to obtain a precursor 3;
(4) and (3) mixing the front material 2 and the front material 3, adding the front material 1, heating to 60-80 ℃, stirring at the rotating speed of 2500-3000 r/min for 20-30 min, adding quartz powder, continuously stirring for 10-20 min, discharging and drying to obtain the anti-drop basalt coating for the inner and outer walls.
2. The basalt coating for anti-drop interior and exterior walls according to claim 1, which comprises the following raw materials in parts by weight: 25 parts of basalt powder, 10 parts of shell powder, 6 parts of diatomite, 4 parts of sodium carboxymethyl cellulose, 3 parts of quartz powder, 0.2 part of graphene and 8 parts of activated carbon.
3. The anti-drop basalt coating for the inner and outer walls according to claim 1, wherein the basalt powder is prepared by soaking 12% hydrogen peroxide and 25% polyvinyl acetate in water mixed solution for 4 hours, drying at 55 ℃, and crushing, and the particle size of the basalt powder is 300-400 microns.
4. The basalt coating for anti-drop interior and exterior walls according to claim 1, wherein the shell powder is calcined and pulverized at 1100 ℃, and has a particle size of 30 to 50 μm.
5. The basalt coating for anti-drop interior and exterior walls according to claim 1, comprising 0.5 to 1 part by weight of an inorganic pigment.
6. The preparation method of basalt coating for anti-drop interior and exterior walls as claimed in claim 1, which comprises the steps of:
(1) dissolving graphene powder in dimethylformamide, adding octaphenyl octasilsesquioxane, stirring at the rotating speed of 2500r/min for 90min, uniformly stirring, and performing ultrasonic treatment for 60 min to obtain a precursor 1;
(2) grinding diatomite and sieving the diatomite by a sieve of 150-300 meshes, drying the diatomite to control the water content to be less than or equal to 8%, adding basalt powder, heating the mixture to 80-110 ℃, stirring the mixture for 30-50 min at the rotating speed of 1500-2000 r/min, adding shell powder, continuously stirring the mixture for 15-30 min, and then respectively cleaning the mixture for 2-3 times by using absolute ethyl alcohol and deionized water to obtain a precursor 2;
(3) mixing sodium carboxymethylcellulose and activated carbon powder, mixing for 30-40 min at a stirring speed of 2000-3000 r/min to form a porous mixture, adding an inorganic pigment, and continuously mixing and stirring for 20-30 min to enable the inorganic pigment to be uniformly distributed in the porous mixture to obtain a precursor 3;
(4) and (3) mixing the front material 2 and the front material 3, adding the front material 1, heating to 60-80 ℃, stirring at the rotating speed of 2500-3000 r/min for 20-30 min, adding quartz powder, continuously stirring for 10-20 min, discharging and drying to obtain the anti-drop basalt coating for the inner and outer walls.
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| CN1384154A (en) * | 2001-05-09 | 2002-12-11 | 张为民 | Building powder paint and its production process |
| CN101704656A (en) * | 2009-06-23 | 2010-05-12 | 深圳市龙富华节能技术有限公司 | Interior wall paint composition |
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