CN111039646A - Mineral substance nanometer wall glaze capable of purifying air for inner and outer walls of building - Google Patents
Mineral substance nanometer wall glaze capable of purifying air for inner and outer walls of building Download PDFInfo
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- CN111039646A CN111039646A CN201911279118.1A CN201911279118A CN111039646A CN 111039646 A CN111039646 A CN 111039646A CN 201911279118 A CN201911279118 A CN 201911279118A CN 111039646 A CN111039646 A CN 111039646A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
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- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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Abstract
The invention relates to the technical field of wall glaze, and provides a mineral substance nano wall glaze for inner and outer walls of a building, which can purify air, and comprises, by weight, at least 2-10% of polymer emulsion, 5-20% of nano silica gel, 60-90% of mineral substance, and water for balancing. The invention provides a mineral substance nano wall glaze for inner and outer walls of a building, which can purify air, and has the advantages of excellent waterproof and antifouling performances, smooth glaze surface, excellent adsorbability with a wall body, good air permeability and capability of keeping the wall body dry.
Description
Technical Field
The invention relates to the technical field of wall glaze, in particular to mineral substance nano wall glaze capable of purifying air for inner and outer walls of a building and a preparation method thereof.
Background
With the improvement of living standard of people, people pay more and more attention to the quality of life, the requirements on living environment are higher and higher, and the wall glaze is also concerned as an important component of home furnishing. The rhythm of life is faster and faster, in reinforced concrete cities, people face the pressure of life and work all day long, people spend about 80% of the time indoors, the cleanness of the indoor environment influences the emotion of the people, and the visual perception of the wall faces is influenced to a great extent. Generally, the wall glaze used has a single function, and generally has a simple waterproof and antifouling function, so that the market application range of the wall glaze is prevented from expanding.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mineral nano wall glaze for inner and outer walls of a building, which can purify air, and the mineral nano wall glaze comprises, by weight, at least 2-10% of polymer emulsion, 5-20% of nano silica gel, 60-90% of minerals, and water for balancing.
As a preferable technical scheme, the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air comprises, by weight, 4-8% of polymer emulsion, 8-15% of nanometer silica gel, 70-85% of mineral substance, and water for balancing.
As a preferred technical scheme, the nano silica gel is a siloxane compound modified nano silica sol.
As a preferable technical scheme, the weight ratio of the siloxane compound to the nano silica sol in the invention is 1: (5-15).
In a preferred embodiment, the siloxane compound is selected from one or more of hexamethylcyclotrisiloxane, aminopropyl terminated polydimethylsiloxane, hydroxyl terminated polydimethylsiloxane, octamethylcyclotetrasiloxane, trimethyltriphenylcyclotrisiloxane, tetramethyltetraphenylcyclotetrasiloxane, vinyl polydimethylsiloxane, vinyl polymethylphenylsiloxane, α, omega-trimethylsilyl polydimethylsiloxane.
As a preferred technical solution, the siloxane compound in the present invention is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl di-terminated polydimethylsiloxane, aminopropyl terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: (2-10): (1-5).
As a preferred technical solution, the weight ratio of hexamethylcyclotrisiloxane, aminopropyl terminated polydimethylsiloxane and aminopropyl terminated polydimethylsiloxane in the present invention is 1: (4-8): (2-4).
As a preferred technical solution, the polymer emulsion in the present invention is selected from one or more of cationic polyacrylamide emulsion, cationic silicone-acrylate emulsion, cationic acrylic emulsion, silicone-acrylate emulsion, VAE emulsion, and acrylic emulsion.
In a preferred embodiment, the mineral is selected from one or more of sodium salt, calcium salt, potassium salt, magnesium salt, zinc salt, and iron salt.
The second aspect of the invention provides a preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air, which at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1000-1500 rpm for 60-120 min, wherein the fineness is less than 50 mu m, and reducing the stirring speed to 400-600 rpm for stirring for 30-90 min to obtain the nano-composite material.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a mineral substance nano wall glaze for inner and outer walls of a building, which can purify air, and has the advantages of excellent waterproof and antifouling performances, smooth glaze surface, excellent adsorbability with a wall body, good air permeability and capability of keeping the wall body dry.
Detailed Description
The technical features of the technical solutions provided by the present invention are further clearly and completely described below with reference to the specific embodiments, and the scope of protection is not limited thereto.
The words "preferred", "more preferred", and the like, in the present invention refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
The invention provides a mineral substance nanometer wall glaze for inner and outer walls of a building, which can purify air, and comprises, by weight, at least 2-10% of polymer emulsion, 5-20% of nanometer silica gel, 60-90% of mineral substance, and water in balance.
In some preferred embodiments, the mineral nano wall glaze for the inner and outer walls of the building capable of purifying air at least comprises, by weight, 4-8% of polymer emulsion, 8-15% of nano silica gel, 70-85% of mineral, and water to make up the balance.
In some more preferred embodiments, the mineral nano wall glaze for the inner and outer walls of the building, which can purify the air, comprises, by weight, at least 6% of polymer emulsion, 10% of nano silica gel, 80% of mineral, and water to make up the balance.
In some embodiments, the nanosilica is a siloxane-based compound modified nanosilica sol.
The source of the siloxane compound modified nano silica sol is not specially limited, and preferably, the siloxane compound modified nano silica sol is prepared by the preparation method.
The preparation method of the siloxane compound modified nano silica sol comprises the following steps:
1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 80-90 ℃, and keeping the temperature for 1-3 h; centrifuging the obtained material for 10-15min, and dispersing in ethanol to obtain the modified nano silica sol.
Preferably, the preparation method of the siloxane compound modified nano silica sol is as follows:
1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol.
In some embodiments, the weight ratio of the siloxane compound to the nanosilicon sol is 1: (5-15); preferably, the weight ratio of the siloxane compound to the nano silica sol is 1: 10.
in some embodiments, the ethanol added in the step 2) is 1.5 to 2.5 times of the amount of the nano silica sol; preferably, the adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol.
In some embodiments, the pH of the nanosilica sol of step 1) is from 9 to 10.
In the invention, the source of the nano silica sol in the step 1) is not specially limited, and the general commercially available nano silica sol can be used in the invention; preferably, the product is purchased from the company of Xuancheng market and science and technology of new environmental protection materials, and the model is VK-S01B.
In some embodiments, the siloxane-based compound is selected from the group consisting of hexamethylcyclotrisiloxane, aminopropyl terminated polydimethylsiloxane, hydroxy terminated polydimethylsiloxane, aminopropyl terminated polydimethylsiloxane, octamethylcyclotetrasiloxane, trimethyltriphenylcyclotrisiloxane, tetramethyltetraphenylcyclotetrasiloxane, vinylpolydimethylsiloxane, vinylpolymethylphenylsiloxane, α, omega-trimethylsilylpolydimethylsiloxane, and combinations of one or more thereof.
In some preferred embodiments, the siloxane-based compound is selected from the group consisting of hexamethylcyclotrisiloxane, aminopropyl terminated polydimethylsiloxane, hydroxy terminated polydimethylsiloxane, aminopropyl terminated polydimethylsiloxane, octamethylcyclotetrasiloxane, and combinations of one or more thereof.
In some embodiments, the siloxane-based compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl di-endblocked polydimethylsiloxane, aminopropyl endblocked polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: (2-10): (1-5).
In some preferred embodiments, the weight ratio of hexamethylcyclotrisiloxane, hydroxyalkyl di-endblocked polydimethylsiloxane, aminopropyl endblocked polydimethylsiloxane is 1: (4-8): (2-4).
In some more preferred embodiments, the weight ratio of hexamethylcyclotrisiloxane, hydroxyalkyl di-endblocked polydimethylsiloxane, aminopropyl endblocked polydimethylsiloxane is 1: 6: 3.
in the experimental process, the inventor finds that when the wall glaze prepared in the invention is used for coating, the leveling property is relatively high, so that the recoatability of the wall glaze is poor, and the using effect of the wall glaze is influenced. The invention believes that the leveling and overcoatability of the wall enamel is improved probably due to the silicone forming a silicone film on the surface of the emulsion particles as a result of the action of the silicone with carbon dioxide in the air. In addition, the inventor also unexpectedly finds that after the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane and the aminopropyl terminated polydimethylsiloxane are selected and compounded to modify the nano silica sol, the leveling property and the overcoatability of the wall glaze can be improved simultaneously, and the content of free formaldehyde in a matrix layer can be reduced. The inventor probably has the advantages that the hexamethylcyclotrisiloxane is a stable annular structure and can lock some hydrophilic group structures, the hydroxyalkyl double-terminated polydimethylsiloxane and the aminopropyl terminated polydimethylsiloxane have certain adsorption effect on formaldehyde micromolecules, free formaldehyde molecules can be locked under the action of the hexamethylcyclotrisiloxane, and a certain sealing effect on the formaldehyde molecules is achieved.
In some embodiments, the mineral is selected from the group consisting of sodium salts, calcium salts, potassium salts, magnesium salts, zinc salts, combinations of one or more of iron salts; preferably, the mineral is selected from one or more of magnesium salt, zinc salt and iron salt; more preferably, the mineral is selected from the group consisting of calcium salts, sodium salts.
In some embodiments, the calcium salt and the sodium salt are present in a molar ratio of 1: (0.1-1); preferably, the molar ratio of the calcium salt to the sodium salt is 1: (0.4-0.8); more preferably, the molar ratio of the calcium salt to the sodium salt is 1: 0.5.
in some embodiments, the sodium salt is selected from at least one of sodium carbonate, sodium chloride, sodium nitrate, sodium sulfate, sodium sulfonate, sodium bicarbonate; preferably, the sodium salt is selected from at least one of sodium chloride, sodium nitrate and sodium sulfate; more preferably, the sodium salt is sodium nitrate.
In some embodiments, the calcium salt is selected from at least one of calcium carbonate, calcium chloride, calcium nitrate, calcium sulfate, calcium phosphate; preferably, the calcium salt is calcium chloride.
In some embodiments, the magnesium salt is selected from at least one of magnesium carbonate, magnesium sulfate, magnesium chloride, magnesium nitrate; preferably, the magnesium salt is selected from at least one of magnesium carbonate, magnesium sulfate and magnesium chloride; more preferably, the magnesium salt is magnesium chloride.
In some embodiments, the zinc salt is selected from zinc carbonate, zinc chloride, zinc nitrate; preferably, the zinc salt is zinc chloride.
In some embodiments, the iron salt is selected from at least one of ferric chloride, ferrous chloride, ferric nitrate, ferrous nitrate, ferric sulfate, ferrous phosphate; preferably, the iron salt is selected from at least one of ferrous chloride, ferrous nitrate, ferrous sulfate and ferrous phosphate; more preferably, the iron salt is ferrous sulfate.
In some embodiments, the polymer emulsion is selected from the group consisting of one or more of cationic polyacrylamide emulsion, cationic silicone-acrylic emulsion, cationic acrylic emulsion, silicone-acrylic emulsion, VAE emulsion, and acrylic emulsion; preferably, the polymer emulsion is selected from cationic polyacrylamide emulsion, cationic silicone-acrylate emulsion and cationic pure acrylate emulsion; more preferably, the polymer emulsion is a cationic polyacrylamide emulsion.
The inventor finds that the wall glaze also has good air permeability, and the film layer is smooth and clean; the inventor unexpectedly finds that the wall glaze has very excellent adhesion performance with the wall, can be firmly combined with the wall, is firm, and thinks that the polymer emulsion is possibly a heterogeneous dispersion liquid which is composed of a plurality of polymer particles in a continuous water phase, when water is gradually evaporated, the concentration of the dispersed phase is gradually increased, the polymer particles slowly approach, the distance between the particles is reduced, finally the particles are contacted with each other to start to coagulate, at the moment, the moisture is continuously reduced, the polymer particles are contacted more tightly, then fine capillaries are formed between the particles, the capillary force acts to promote the precipitation of inorganic salt substances, so that a layer of film can be formed on the surface of the glaze layer, the surface of the prepared glaze layer is smooth and smooth, and the film is composed of a plurality of microcrystalline structures and has good air permeability, the water content of the wall is fully evaporated, the wall is kept dry, and the best effect is achieved when calcium salt and sodium salt are selected and used together with specific polymer emulsion. The inventor speculates that the silica sol possibly permeates into the base surface to the depth of 0.5-2mm along with water and is subjected to chemical combination reaction with a mineral substance substrate to form alkali-resistant and acid-resistant silica, so that the coating is firmly combined with the wall, and the firmness and firmness of the film layer are further enhanced.
In some embodiments, the auxiliary agent includes at least one of a stabilizer, a silane coupling agent, an antifoaming agent, a bactericide, a dispersant, and a leveling agent.
In some embodiments, the stabilizer is selected from one of a barium zinc stabilizer, a calcium zinc stabilizer, an epoxidized soybean oil.
In some embodiments, the silane coupling agent is selected from at least one of silane coupling agent KH570, silane coupling agent OFS-6341, silane coupling agent KBM403, silane coupling agent KBM 5803.
In some embodiments, the defoamer is a polyether defoamer.
The source of the polyether defoamer in the invention is not specially limited, and the polyether defoamer is preferably purchased from south China sea field chemical AT-720B polyether defoamer in Foshan City.
In some embodiments, the antimicrobial agent is selected from the group consisting of chlorophenols, isothiazolinones, combinations of one or more of quaternary ammonium salts.
In some embodiments, the leveling agent is a modified acrylic leveling agent.
The source of the modified acrylic leveling agent in the invention is not specially limited, and the modified acrylic leveling agent is preferably purchased from the City oz New Material, LLC (national treasures institute), S-380 leveling agent.
In some embodiments, the dispersant is not particularly limited, but is preferably purchased from the Dow environmental protection technology, Inc., Guangzhou, QHY-131 dispersant.
The inventor unexpectedly finds that the wall glaze provided by the invention not only has excellent leveling property and recoatability, but also can realize long-time low-temperature storage stability, and the inventor believes that the modified nano-silica sol particles can be adsorbed on the surface of emulsion particles due to a certain amount of negative charges on the surface, and emulsion particles can be kept in a certain dispersed state due to steric hindrance formed by repulsive force generated by the charges when ice crystals are generated.
The second aspect of the invention provides a preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air, which at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1000-1500 rpm for 60-120 min, wherein the fineness is less than 50 mu m, and reducing the stirring speed to 400-600 rpm for stirring for 30-90 min to obtain the nano-composite material.
In some preferred embodiments, the method for preparing the mineral nano wall glaze for the inner and outer walls of the building capable of purifying air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
The novel environment-friendly anticorrosive wall glaze for decorating the inner wall and the outer wall can be brushed, rolled and sprayed by a construction method.
The present invention is described in detail below with reference to examples, which are provided for the purpose of further illustration only and are not to be construed as limiting the scope of the present invention, and the insubstantial modifications and adaptations thereof by those skilled in the art based on the teachings of the present invention will still fall within the scope of the present invention.
The auxiliary agents described in the following examples include stabilizers, silane coupling agents, defoaming agents, bactericides, dispersing agents, and leveling agents.
The stabilizer is epoxidized soybean oil, and the silane coupling agent is a silane coupling agent KH 570; the defoaming agent is a polyether defoaming agent which is purchased from south China sea field chemical industry AT-720B in Foshan City. The bactericide is an aqueous architectural coating bactericide DR-121, and is purchased from Macro-graphic chemical technology Co., Ltd, Dongguan city for a century. Purchased from zhuchi environmental protection technologies, inc, guangzhou, QHY-131 dispersant. The leveling agent is purchased from a city oz new material Limited liability company, S-380 leveling agent.
Example 1
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10. the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3.
the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 2
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 4 wt%, nanometer silica gel 8 wt%, mineral 70 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 80 ℃, and keeping the temperature for 1 h; and centrifuging the obtained material for 10min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 5.
the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 2: 1. the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.1. the polymer emulsion is cationic silicone-acrylate emulsion which is purchased from Tengyu textile Co., Ltd, and has a mark number of KL-WG 3018.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1000rpm for 60min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 400rpm for stirring for 90min to obtain the final product.
Example 3
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 8 wt%, nanometer silica gel 15 wt%, mineral 85 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 90 ℃, and keeping the temperature for 3 hours; and centrifuging the obtained material for 15min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 15.
the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 10: 5. the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 1. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1500rpm for 120min to obtain a fineness of less than 50 μm, and reducing the stirring speed to 600rpm for stirring for 30min to obtain the final product.
Example 4
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a non-siloxane compound modified nano silica sol; the preparation method of the non-siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the non-siloxane compound modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B.
The mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 5
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, siloxane compound 10 wt%, mineral 80 wt% and water for the rest.
The processing method of the siloxane compound is as follows: 1) adding the prepared siloxane compound into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5.
the preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 6
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 15: 1.
the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3. the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 7
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10.
the siloxane compound is selected from the group consisting of a hydroxyalkyl di-terminated polydimethylsiloxane, an aminopropyl terminated polydimethylsiloxane; the weight ratio of the hydroxyalkyl double-end-capped polydimethylsiloxane to the aminopropyl end-capped polydimethylsiloxane is 2: 1. the CAS number of the hydroxyalkyl double-end-capped polydimethylsiloxane is 161755-53-9. The mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 8
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10.
the siloxane compound is selected from hexamethylcyclotrisiloxane. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 9
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 20 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10.
the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3. the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 10
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 50 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10. the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3.
the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 11
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10. the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3.
the mineral is selected from magnesium chloride. The polymer emulsion is cationic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C808.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 12
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10. the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3.
the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is pure acrylic emulsion which is purchased from Nantong Shengda chemical Co., Ltd, S-05 pure acrylic emulsion.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Example 13
The nanometer mineral wall glaze capable of purifying air for inner and outer wall of building consists of polymer emulsion 6 wt%, nanometer silica gel 10 wt%, mineral 80 wt% and water for the rest.
The nano silica gel is a siloxane compound modified nano silica sol; the preparation method of the siloxane compound modified nano silica sol comprises the following steps: 1) adding the prepared nano silica sol and siloxane compounds into a stirring kettle, and magnetically stirring and mixing at normal temperature; 2) heating the stirring kettle to 85 ℃, and keeping the temperature for 2 h; centrifuging the obtained material for 12min, and then ultrasonically dispersing the material into ethanol to obtain the modified nano silica sol. The adding amount of the ethanol in the step 2) is 2.2 times of the amount of the nano silica sol. The nano silica sol obtained in the step 1) is purchased from Xuancheng market crystal and new environmental protection material science and technology limited company, and has the model of VK-S01B. The weight ratio of the siloxane compound to the nano silica sol is 1: 10. the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl-di-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: 6: 3.
the mineral is selected from the group consisting of calcium chloride and sodium nitrate. The molar ratio of the calcium chloride to the sodium nitrate is 1: 0.5. the polymer emulsion is an anionic polyacrylamide emulsion and is purchased from water purification materials of Xinxiang city, Inc. under the brand number C8034.
The preparation method of the mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air at least comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1300rpm for 100min, wherein the fineness is less than 50 μm, and reducing the stirring speed to 500rpm for stirring for 60min to obtain the final product.
Performance testing
The novel environment-friendly anticorrosive wall glaze for interior and exterior wall decoration prepared in examples 1 to 13 was used as an experimental group, and commercially available silky wall glaze was used as a blank control group, and the following properties were tested, and the test results are shown in tables 1, 2 and 3.
1. The low temperature resistance test method comprises the following steps: respectively placing the experimental group and the blank control group at-10 ℃ for 120h, then recovering the room temperature to the normal temperature environment, and respectively spraying the experimental group and the blank control group which have been recovered to the room temperature by adopting a spraying mode well known by the technical personnel in the field to obtain a film layer with the thickness of 30 +/-4 mu m; the spraying effect is observed and divided into three grades:
the A level is that the film layer is complete, smooth and clean, and the surface is smooth and has no impurity blocks;
the grade B is smooth, the smoothness is slightly worse than that of the grade A, the surface is smooth and has no impurity blocks, and at least one phenomenon belongs to the grade B;
the C level is a relatively complete film layer with slight falling-off phenomenon, the smoothness is smooth, the smoothness degree is obviously reduced, the surface is flat without impurity blocks, and at least one phenomenon belongs to the C level.
2. And (3) testing the adhesive force: the experimental group and the blank control group are respectively sprayed into a film layer with the thickness of 30 +/-4 mu m by adopting a spraying mode which is well known by the technical personnel in the field; the adhesion of the film was tested according to GB/T1720-. The adhesion was 1 grade, 2 grade, 3 grade or more, and the most excellent adhesion was 1 grade.
3. Aging resistance test (1200 h): the experimental group and the blank control group are respectively sprayed into a film layer with the thickness of 30 +/-4 mu m by adopting a spraying mode which is well known by the technical personnel in the field; the test is carried out according to GB/T13893-2008, and the product is qualified without foaming, falling off and cracks.
4. The formaldehyde test results are as follows: an experimental group and a blank control group (a blank test sample is used as a blank) are coated on one wall of a closed room with the formaldehyde concentration of 3.1mg/L and the temperature of 25 ℃/25m2, and the formaldehyde concentration in the room after coating the test samples 7d, 30d and 60d is detected according to GB18580-2001 'national mandatory Standard for Formaldehyde emission detection'.
TABLE 1 test results for aging resistance and adhesion
| Examples | Aging resistance | Adhesion test | Examples | Aging resistance | Adhesion test |
| Example 1 | Qualified | Level 1 | Example 10 | Fail to be qualified | Stage 2 |
| Example 2 | Qualified | Stage 2 | Example 11 | Qualified | Stage 2 |
| Example 3 | Qualified | Level 1 | Example 12 | Fail to be qualified | Stage 2 |
| Example 9 | Qualified | Stage 2 | Example 13 | Fail to be qualified | Stage 2 |
TABLE 2 Low temperature resistance test results
| Examples | Grade | Examples | Grade |
| Example 1 | A | Example 7 | A |
| Example 2 | C | Example 8 | A |
| Example 3 | B | Example 9 | B |
| Example 4 | B | Example 10 | B |
| Example 5 | B | Example 13 | B |
| Example 6 | A |
TABLE 3 Formaldehyde test results
The foregoing examples are illustrative only, and serve to explain some of the features of the present disclosure. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. And that advances in science and technology will result in possible equivalents or sub-substitutes not currently contemplated for reasons of inaccuracy in language representation, and such changes should also be construed where possible to be covered by the appended claims.
Claims (10)
1. A mineral substance nanometer wall glaze for inner and outer walls of buildings capable of purifying air is characterized in that the raw materials at least comprise, by weight, 2-10% of polymer emulsion, 5-20% of nanometer silica gel, 60-90% of mineral substance and water for balancing.
2. The mineral nano wall glaze for the interior and exterior walls of the building capable of purifying the air according to claim 1, wherein the raw materials comprise, by weight, 4-8% of polymer emulsion, 8-15% of nano silica gel, 70-85% of mineral, and water to make up the balance.
3. The mineral substance nano wall glaze for the interior and exterior walls of the building, which can purify the air, according to claim 1 or 2, wherein the nano silica gel is a siloxane compound modified nano silica gel.
4. The mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air as claimed in claim 1 or 2, wherein the weight ratio of the siloxane compound to the nanometer silica sol is 1: (5-15).
5. The mineral nano wall glaze for inner and outer walls of buildings capable of purifying air according to claim 3, wherein the siloxane compound is selected from one or more of hexamethylcyclotrisiloxane, polydimethylsiloxane, hydroxyl-terminated polydimethylsiloxane, aminopropyl-terminated polydimethylsiloxane, octamethylcyclotetrasiloxane, trimethyltriphenylcyclotrisiloxane, tetramethyltetraphenylcyclotetrasiloxane, vinyl polydimethylsiloxane, vinyl polymethylphenylsiloxane, α, omega-trimethylsilylpolydimethylsiloxane.
6. The mineral nano wall glaze for the inner and outer walls of the building capable of purifying the air of claim 5, wherein the siloxane compound is selected from the group consisting of hexamethylcyclotrisiloxane, hydroxyalkyl di-terminated polydimethylsiloxane, aminopropyl terminated polydimethylsiloxane; the weight ratio of the hexamethylcyclotrisiloxane, the hydroxyalkyl double-terminated polydimethylsiloxane to the aminopropyl terminated polydimethylsiloxane is 1: (2-10): (1-5).
7. The mineral substance nanometer wall glaze for the inner wall and the outer wall of the building capable of purifying the air as claimed in claim 5, wherein the weight ratio of the hexamethylcyclotrisiloxane, the aminopropyl terminated polydimethylsiloxane and the aminopropyl terminated polydimethylsiloxane is 1: (4-8): (2-4).
8. The mineral nano wall glaze for the inner and outer walls of the building capable of purifying air according to claim 1 or 2, wherein the polymer emulsion is selected from one or more of cationic polyacrylamide emulsion, cationic silicone-acrylic emulsion, cationic acrylic emulsion, silicone-acrylic emulsion, VAE emulsion and acrylic emulsion.
9. The mineral nano wall glaze for the inner and outer walls of the building capable of purifying the air according to claim 1 or 2, wherein the mineral is selected from one or more of sodium salt, calcium salt, potassium salt, magnesium salt, zinc salt and iron salt.
10. The preparation method of the mineral nano wall glaze for the inner and outer walls of the building capable of purifying the air according to any one of claims 1 to 9, which comprises the following steps: sequentially adding the components in the raw materials into a dispersion kettle, stirring at 1000-1500 rpm for 60-120 min, wherein the fineness is less than 50 mu m, and reducing the stirring speed to 400-600 rpm for stirring for 30-90 min to obtain the nano-composite material.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113845785A (en) * | 2021-07-06 | 2021-12-28 | 罗翠莲 | Light-resistant and water-resistant building interior and exterior wall glaze and preparation method thereof |
| CN114085049A (en) * | 2021-07-06 | 2022-02-25 | 罗翠莲 | Environment-friendly mineral wall glaze for interior and exterior of buildings and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113845785A (en) * | 2021-07-06 | 2021-12-28 | 罗翠莲 | Light-resistant and water-resistant building interior and exterior wall glaze and preparation method thereof |
| CN114085049A (en) * | 2021-07-06 | 2022-02-25 | 罗翠莲 | Environment-friendly mineral wall glaze for interior and exterior of buildings and preparation method thereof |
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