CN111395674A - Building wall surface structure and preparation method thereof - Google Patents
Building wall surface structure and preparation method thereof Download PDFInfo
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- CN111395674A CN111395674A CN202010427658.6A CN202010427658A CN111395674A CN 111395674 A CN111395674 A CN 111395674A CN 202010427658 A CN202010427658 A CN 202010427658A CN 111395674 A CN111395674 A CN 111395674A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Architecture (AREA)
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- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Finishing Walls (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of building materials, in particular to a building wall surface structure and a preparation method thereof; according to the invention, the waterproof coating is coated on the surface of the wall surface substrate, when a modified cross-linking agent in the coating used for the waterproof coating is contacted with external moisture, active ingredients in a layer of film wrapped on the surface of the modified cross-linking agent, namely, enzyme-method dextrin and polyvinylpyrrolidone are dissolved by water, so that the main ingredient of the modified cross-linking agent, namely vinyl trimethoxy silane, is exposed, and the modified cross-linking agent can generate a cross-linking reaction with a pure acrylate emulsion and an elastic styrene-acrylic emulsion by matching with a complexing agent, so that the waterproof performance of the coating is effectively improved, and the waterproof effect of a building wall surface structure is also improved; moreover, the building wall surface structure produced by the invention not only has good waterproof performance, but also has good heat preservation and sound insulation performance; the building wall surface structure produced by the invention has better quality and more functions, and is more suitable for popularization.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a building wall surface structure and a preparation method thereof.
Background
The wall surface refers to the surface of a wall body, and is generally mentioned more in the indoor decoration. The wall decoration treatment is generally painting or wall paper sticking. The exterior surface facing of the wall body is divided into an indoor wall surface and an outdoor wall surface. Wall finishing is an integral part of building design. The modern indoor wall surface beautifies the indoor environment and adjusts the illumination by using the change of color and texture, and various materials with easy cleaning and good physical properties are selected to meet the using functions in various aspects.
At present, the indoor building wall structure in China has poor waterproof performance, and the structure is easy to damage after being eroded by water vapor for a long time. Affecting the structure and life of the building wall. Moreover, the heat insulation performance and the sound insulation performance of the composite material are relatively poor, so that the quality of the composite material is affected.
Disclosure of Invention
Aiming at the defects in the prior art, one of the purposes of the invention is to provide a building wall surface structure, which has the advantages that: not only has good waterproof performance, but also has good heat preservation and sound insulation performance.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a building wall structure, includes the wall base member, coats the wall screed-coat on wall base member surface, coats the waterproof coating and the coating at the insulating coating finish coat on waterproof coating surface on the wall screed-coat surface.
By adopting the technical scheme: the waterproof coating is coated on the surface of the building wall surface structure, so that the waterproof performance of the building wall surface structure can be effectively improved. Moreover, the use of the heat-insulating coating veneer layer enables the building wall surface structure to have good heat-insulating and sound-insulating properties, and the quality of the building wall surface structure is effectively improved.
The invention is further configured to: the wall surface leveling layer is made of any one of a cement mortar leveling layer or a plastering gypsum leveling layer.
By adopting the technical scheme: the design of the wall surface leveling layer can effectively improve the uneven or gradient structure of the surface of the wall surface base body, and the smoothness of the surface of the wall surface base body is guaranteed. Thereby being beneficial to the subsequent work of coating a waterproof coating and a heat-preservation coating decorative finish layer on the surface of the wall surface and ensuring that the coating can be well coated on the surface of the wall surface substrate.
The invention is further configured to: the paint used by the waterproof coating is prepared from the following raw materials in parts by weight: 25-35 parts of pure acrylate emulsion, 15-22 parts of elastic styrene-acrylic emulsion, 4-6 parts of modified cross-linking agent, 2-5 parts of paraffin-based rubber oil, 3-5 parts of quartz sand, 2-4 parts of calcium carbonate, 2.6-3.4 parts of fumed silica, 1.9-2.4 parts of tributyl phosphate, 1.8-2.5 parts of complexing agent and 1.5-2.0 parts of sodium alginate;
the preparation method comprises the following steps: crushing and grinding solid raw materials in the components to 200-mesh-300-mesh, adding the elastic styrene-acrylic emulsion, the modified cross-linking agent, the paraffin-based rubber oil, the portland cement, the quartz sand fine powder and the calcium carbonate into a mixing container, ultrasonically mixing the mixed components for 30-45min, sequentially transferring the rest raw materials into the mixing container, mixing and stirring for 35-50min under the conditions that the temperature is 50-65 ℃ and the stirring speed is 120-mesh-200 r/min, and finally obtaining the mixed component in the mixing container, namely the coating for the waterproof coating.
By adopting the technical scheme: the waterproof coating is coated on the surface of a wall surface substrate, wherein when a modified cross-linking agent in a coating used for the waterproof coating is contacted with external moisture, active ingredients in a layer of film wrapped on the surface of the modified cross-linking agent, namely enzyme-process dextrin and polyvinylpyrrolidone, are dissolved by water, so that a main ingredient of vinyltrimethoxysilane in the modified cross-linking agent is exposed, and the modified cross-linking agent can generate a cross-linking reaction with a pure acrylate emulsion and an elastic styrene-acrylic emulsion by matching with a complexing agent, so that the waterproof performance of the coating is effectively improved, and the waterproof effect of a building wall surface structure is also improved. Moreover, due to the generation of a crosslinking reaction, a grafting reaction is generated between the acrylate and the vinyl trimethoxy silane, so that the space topological structure of the acrylate is effectively improved, and the wear resistance of the coating is remarkably improved.
The invention is further configured to: the complexing agent is any one of diethylenetriaminepentaacetic acid or sodium nitrilotriacetic acid.
By adopting the technical scheme: the complexing agent can be matched with the modified cross-linking agent provided by the invention, so that a cross-linking reaction is generated between the complexing agent and the pure acrylate emulsion and between the complexing agent and the elastic styrene-acrylic emulsion, the water resistance of the coating is effectively improved, and the waterproof effect of a building wall surface structure is also improved.
The invention is further configured to: the preparation method of the modified cross-linking agent comprises the following steps: dissolving 15-25 parts by weight of enzyme dextrin and 6-10 parts by weight of polyvinylpyrrolidone in 45-55 parts by weight of distilled water, adding 12-18 parts by weight of vinyl trimethoxy silane, and marking the mixture as a mixed solution; and transferring the obtained mixed solution into a high-speed dispersion machine for high-speed dispersion, and after uniform dispersion, carrying out spray drying on the mixed solution to obtain solid particles, namely the finished product of the modified cross-linking agent.
By adopting the technical scheme: the modified cross-linking agent and the pure acrylate emulsion and the elastic styrene-acrylic emulsion have cross-linking reaction, so that the water resistance of the coating is effectively improved, and the waterproof effect of the building wall surface structure is also improved. Moreover, due to the generation of a crosslinking reaction, a grafting reaction is generated between the acrylate and the vinyl trimethoxy silane, so that the space topological structure of the acrylate is effectively improved, and the wear resistance of the coating is remarkably improved.
The invention is further configured to: the paint used for the heat-insulating paint finishing layer is prepared from the following raw materials in parts by weight: 45-60 parts of epoxy resin, 18-25 parts of styrene-acrylic emulsion, 3-5 parts of sodium carboxymethylcellulose, 2.4-3.0 parts of diamine tetraacetic acid, 3.2-3.6 parts of propylene glycol methyl ether acetate, 1.8-2.4 parts of 8-hydroxyquinoline copper, 4.8-5.6 parts of expanded perlite, 6.2-7.8 parts of vitrified micro-beads, 4.2-4.8 parts of ceramic fibers, 3.2-3.6 parts of foamed ceramic powder, 1.8-2.5 parts of defoaming agent and 1.5-2.0 parts of flatting agent;
the preparation method comprises the following steps: grinding the solid raw materials in the components to 200-mesh-300-mesh, then adding epoxy resin, styrene-acrylic emulsion, sodium carboxymethylcellulose, defoamer, expanded perlite, vitrified micro bubbles, ceramic fiber and foamed ceramic powder into a mixing cylinder, mixing and stirring at the speed of 240r/min for 15-30min, then adding the rest raw materials into the mixing cylinder, and mixing and stirring uniformly to obtain the coating for the decorative surface layer of the heat-insulating coating.
By adopting the technical scheme: the invention takes epoxy resin, styrene-acrylic emulsion, expanded perlite, vitrified micro bubbles, ceramic fiber, foamed ceramic powder and the like as raw materials for preparing a decorative layer of the heat-insulating coating. Wherein, the weather resistance and the aging resistance of the coating can be effectively improved by the matching use of the epoxy resin and the styrene-acrylic emulsion. In addition, the matching use between the expanded perlite and the foamed ceramic powder can effectively reduce the thermal conductivity of the building wall surface structure and effectively improve the thermal insulation function of the building wall surface structure. In addition, the matching use of the ceramic fiber and the glass beads can effectively improve the elastic property of the coating and can also effectively improve the sound insulation property of the coating. Thereby improving the sound insulation performance of the building wall surface structure.
The invention is further configured to: the defoaming agent is selected from any one of polyoxypropylene polyoxyethylene glycerol ether or polydimethylsiloxane.
By adopting the technical scheme: the use of the defoaming agent can effectively reduce the surface tension of liquid components in the coating, thereby reducing the generation of bubbles in the preparation process of the coating and ensuring the production quality of the coating.
The invention is further configured to: the leveling agent is PU/UV leveling agent SC-333.
By adopting the technical scheme: the use of the leveling agent can promote the coating to form a flat, smooth and uniform coating film in the drying film-forming process. Effectively reduce the surface tension of the coating and improve the leveling property and uniformity of the coating. In addition, the paint can also improve the permeability of the coating liquid, reduce the possibility of generating spots and stains during brushing, increase the coverage, and ensure that the formed film is uniform, natural and beautiful.
Another object of the present invention is to provide a method for preparing a building wall structure, comprising the steps of: manufacturing a wall surface substrate according to the prior art, cleaning floating sand, dust and the like on the surface of the wall surface substrate, brushing an isolating surface agent surface adhered to a concrete surface by using a detergent or a caustic soda solution, washing the isolating surface agent surface by using clear water to remove the caustic soda solution, and drying the isolating surface agent surface by airing; sequentially coating a wall surface leveling layer on the outer surface of the wall surface substrate, and finally sequentially coating a waterproof coating and a heat-insulating coating facing layer from inside to outside; wherein, the waterproof coating is coated on the outer surface of the wall surface leveling layer; finally, the building wall surface structure is manufactured.
By adopting the technical scheme: the surface of the building wall surface structure prepared by the invention can effectively improve the waterproof performance by coating a layer of waterproof coating, and obviously reduces the phenomenon that the structure is damaged due to the erosion of water vapor. In addition, the use of the heat-insulating coating veneer layer also enables the building wall surface structure provided by the invention to have good heat-insulating and sound-insulating properties. The quality of the building wall surface structure is effectively improved.
In summary, the invention has the following advantages:
1. according to the invention, the waterproof coating is coated on the surface of the wall surface substrate, when a modified cross-linking agent in the coating used for the waterproof coating is contacted with external moisture, active ingredients in a layer of film wrapped on the surface of the modified cross-linking agent, namely, enzyme-method dextrin and polyvinylpyrrolidone are dissolved by water, so that the main ingredient of the modified cross-linking agent, namely vinyl trimethoxy silane, is exposed, and the modified cross-linking agent can generate a cross-linking reaction with a pure acrylate emulsion and an elastic styrene-acrylic emulsion by matching with a complexing agent, so that the waterproof performance of the coating is effectively improved, and the waterproof effect of a building wall surface structure is also improved. Moreover, due to the generation of a crosslinking reaction, a grafting reaction is generated between the acrylic ester and the vinyl trimethoxy silane, so that the space topological structure of the acrylic ester is effectively improved, and the wear resistance of the coating is remarkably improved;
2. the invention takes epoxy resin, styrene-acrylic emulsion, expanded perlite, vitrified micro bubbles, ceramic fiber, foamed ceramic powder and the like as raw materials for preparing a decorative layer of the heat-insulating coating. Wherein, the weather resistance and the aging resistance of the coating can be effectively improved by the matching use of the epoxy resin and the styrene-acrylic emulsion. In addition, the matching use between the expanded perlite and the foamed ceramic powder can effectively reduce the thermal conductivity of the building wall surface structure and effectively improve the thermal insulation function of the building wall surface structure. In addition, the matching use of the ceramic fiber and the glass beads can effectively improve the elastic property of the coating and can also effectively improve the sound insulation property of the coating. Thereby improving the sound insulation performance of the building wall surface structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
the utility model provides a building wall structure, includes the wall base member, coats the wall screed-coat on wall base member surface, coats the waterproof coating and the coating at the insulating coating finish coat on waterproof coating surface on the wall screed-coat surface.
The wall surface leveling layer is made of any one of a cement mortar leveling layer or a plastering gypsum leveling layer.
The paint used for the waterproof coating is prepared from the following raw materials in parts by weight: 25 parts of pure acrylate emulsion, 15 parts of elastic styrene-acrylic emulsion, 4 parts of modified cross-linking agent, 2 parts of paraffin-based rubber oil, 3 parts of quartz sand, 2 parts of calcium carbonate, 2.6 parts of fumed silica, 1.9 parts of tributyl phosphate, 1.8 parts of complexing agent and 1.5 parts of sodium alginate;
the preparation method comprises the following steps: crushing and grinding solid raw materials in the components to 200 meshes, adding the elastic styrene-acrylic emulsion, the modified cross-linking agent, the paraffin-based rubber oil, the portland cement, the quartz sand fine powder and the calcium carbonate into a mixing container, ultrasonically mixing the mixed components for 30min, sequentially transferring the rest raw materials into the mixing container, mixing and stirring for 35min under the conditions that the temperature is 50 ℃ and the stirring speed is 120r/min, and finally obtaining the mixed component in the mixing container, namely the coating for the waterproof coating.
The complexing agent is diethylenetriaminepentaacetic acid.
The preparation method of the modified cross-linking agent comprises the following steps: dissolving 15 parts by weight of enzyme dextrin and 6 parts by weight of polyvinylpyrrolidone in 45 parts by weight of distilled water, and then adding 12 parts by weight of vinyl trimethoxy silane to the solution to obtain a mixed solution; and transferring the obtained mixed solution into a high-speed dispersion machine for high-speed dispersion, and after uniform dispersion, carrying out spray drying on the mixed solution to obtain solid particles, namely the finished product of the modified cross-linking agent.
The paint used for the heat-insulating paint finish coat is prepared from the following raw materials in parts by weight: 45 parts of epoxy resin, 18 parts of styrene-acrylic emulsion, 3 parts of sodium carboxymethylcellulose, 2.4 parts of diamine tetraacetic acid, 3.2 parts of propylene glycol monomethyl ether acetate, 1.8 parts of 8-hydroxyquinoline copper, 4.8 parts of expanded perlite, 6.2 parts of vitrified micro bubbles, 4.2 parts of ceramic fiber, 3.2 parts of foamed ceramic powder, 1.8 parts of defoaming agent and 1.5 parts of flatting agent;
the preparation method comprises the following steps: grinding the solid raw materials in the components to 200 meshes, then adding epoxy resin, styrene-acrylic emulsion, sodium carboxymethylcellulose, a defoaming agent, expanded perlite, vitrified micro bubbles, ceramic fibers and foamed ceramic powder into a mixing cylinder, mixing and stirring at the speed of 150r/min for 15min, then adding the rest raw materials into the mixing cylinder, and mixing and stirring uniformly to obtain the coating for the decorative surface layer of the heat-insulating coating.
The defoaming agent is polyoxypropylene polyoxyethylene glycerol ether.
The leveling agent is PU/UV leveling agent SC-333.
A preparation method of a building wall surface structure comprises the following steps: manufacturing a wall surface substrate according to the prior art, cleaning floating sand, dust and the like on the surface of the wall surface substrate, brushing an isolating surface agent surface adhered to a concrete surface by using a detergent or a caustic soda solution, washing the isolating surface agent surface by using clear water to remove the caustic soda solution, and drying the isolating surface agent surface by airing; sequentially coating a wall surface leveling layer on the outer surface of the wall surface substrate, and finally sequentially coating a waterproof coating and a heat-insulating coating facing layer from inside to outside; wherein, the waterproof coating is coated on the outer surface of the wall surface leveling layer; finally, the building wall surface structure is manufactured.
Example 2:
the utility model provides a building wall structure, includes the wall base member, coats the wall screed-coat on wall base member surface, coats the waterproof coating and the coating at the insulating coating finish coat on waterproof coating surface on the wall screed-coat surface.
The wall surface leveling layer is made of any one of a cement mortar leveling layer or a plastering gypsum leveling layer.
The paint used for the waterproof coating is prepared from the following raw materials in parts by weight: 30 parts of pure acrylate emulsion, 20 parts of elastic styrene-acrylic emulsion, 5 parts of modified cross-linking agent, 3 parts of paraffin-based rubber oil, 4 parts of quartz sand, 3 parts of calcium carbonate, 3.0 parts of fumed silica, 2.2 parts of tributyl phosphate, 2.0 parts of complexing agent and 1.8 parts of sodium alginate;
the preparation method comprises the following steps: crushing and grinding solid raw materials in the components to 250 meshes, adding the elastic styrene-acrylic emulsion, the modified cross-linking agent, the paraffin-based rubber oil, the portland cement, the quartz sand fine powder and the calcium carbonate into a mixing container, ultrasonically mixing the mixed components for 35min, sequentially transferring the rest raw materials into the mixing container, mixing and stirring for 40min under the conditions that the temperature is 60 ℃ and the stirring speed is 180r/min, and finally obtaining the mixed component in the mixing container, namely the coating for the waterproof coating.
The complexing agent is sodium nitrilotriacetate.
The preparation method of the modified cross-linking agent comprises the following steps: dissolving 20 parts by weight of enzyme dextrin and 8 parts by weight of polyvinylpyrrolidone in 50 parts by weight of distilled water, and then adding 15 parts by weight of vinyl trimethoxy silane to the solution to obtain a mixed solution; and transferring the obtained mixed solution into a high-speed dispersion machine for high-speed dispersion, and after uniform dispersion, carrying out spray drying on the mixed solution to obtain solid particles, namely the finished product of the modified cross-linking agent.
The paint used for the heat-insulating paint finish coat is prepared from the following raw materials in parts by weight: 50 parts of epoxy resin, 20 parts of styrene-acrylic emulsion, 4 parts of sodium carboxymethylcellulose, 2.8 parts of diamine tetraacetic acid, 3.4 parts of propylene glycol methyl ether acetate, 2.0 parts of 8-hydroxyquinoline copper, 5.2 parts of expanded perlite, 7.0 parts of vitrified micro bubbles, 4.5 parts of ceramic fiber, 3.4 parts of foamed ceramic powder, 2.2 parts of defoaming agent and 1.8 parts of flatting agent;
the preparation method comprises the following steps: grinding the solid raw materials in the components to 250 meshes, then adding epoxy resin, styrene-acrylic emulsion, sodium carboxymethylcellulose, a defoaming agent, expanded perlite, vitrified micro bubbles, ceramic fibers and foamed ceramic powder into a mixing cylinder, mixing and stirring at the speed of 200r/min for 20min, then adding the rest raw materials into the mixing cylinder, and mixing and stirring uniformly to obtain the coating for the decorative surface layer of the heat-insulating coating.
The defoaming agent is polydimethylsiloxane.
The leveling agent is PU/UV leveling agent SC-333.
A preparation method of a building wall surface structure comprises the following steps: manufacturing a wall surface substrate according to the prior art, cleaning floating sand, dust and the like on the surface of the wall surface substrate, brushing an isolating surface agent surface adhered to a concrete surface by using a detergent or a caustic soda solution, washing the isolating surface agent surface by using clear water to remove the caustic soda solution, and drying the isolating surface agent surface by airing; sequentially coating a wall surface leveling layer on the outer surface of the wall surface substrate, and finally sequentially coating a waterproof coating and a heat-insulating coating facing layer from inside to outside; wherein, the waterproof coating is coated on the outer surface of the wall surface leveling layer; finally, the building wall surface structure is manufactured.
Example 3:
the utility model provides a building wall structure, includes the wall base member, coats the wall screed-coat on wall base member surface, coats the waterproof coating and the coating at the insulating coating finish coat on waterproof coating surface on the wall screed-coat surface.
The wall surface leveling layer is made of any one of a cement mortar leveling layer or a plastering gypsum leveling layer.
The paint used for the waterproof coating is prepared from the following raw materials in parts by weight: 35 parts of pure acrylate emulsion, 22 parts of elastic styrene-acrylic emulsion, 6 parts of modified cross-linking agent, 5 parts of paraffin-based rubber oil, 5 parts of quartz sand, 4 parts of calcium carbonate, 3.4 parts of fumed silica, 2.4 parts of tributyl phosphate, 2.5 parts of complexing agent and 2.0 parts of sodium alginate;
the preparation method comprises the following steps: crushing and grinding solid raw materials in the components to 300 meshes, adding the elastic styrene-acrylic emulsion, the modified cross-linking agent, the paraffin-based rubber oil, the portland cement, the quartz sand fine powder and the calcium carbonate into a mixing container, ultrasonically mixing the mixed components for 45min, sequentially transferring the rest raw materials into the mixing container, mixing and stirring for 50min under the conditions that the temperature is 65 ℃ and the stirring speed is 200r/min, and finally obtaining the mixed component in the mixing container, namely the coating for the waterproof coating.
The complexing agent is diethylenetriaminepentaacetic acid.
The preparation method of the modified cross-linking agent comprises the following steps: dissolving 25 parts by weight of enzyme dextrin and 10 parts by weight of polyvinylpyrrolidone in 55 parts by weight of distilled water, and then adding 18 parts by weight of vinyl trimethoxy silane to the solution to obtain a mixed solution; and transferring the obtained mixed solution into a high-speed dispersion machine for high-speed dispersion, and after uniform dispersion, carrying out spray drying on the mixed solution to obtain solid particles, namely the finished product of the modified cross-linking agent.
The paint used for the heat-insulating paint finish coat is prepared from the following raw materials in parts by weight: 60 parts of epoxy resin, 25 parts of styrene-acrylic emulsion, 5 parts of sodium carboxymethylcellulose, 3.0 parts of diamine tetraacetic acid, 3.6 parts of propylene glycol monomethyl ether acetate, 2.4 parts of 8-hydroxyquinoline copper, 5.6 parts of expanded perlite, 7.8 parts of vitrified micro bubbles, 4.8 parts of ceramic fiber, 3.6 parts of foamed ceramic powder, 2.5 parts of defoaming agent and 2.0 parts of flatting agent;
the preparation method comprises the following steps: grinding the solid raw materials in the components to 300 meshes, then adding epoxy resin, styrene-acrylic emulsion, sodium carboxymethylcellulose, a defoaming agent, expanded perlite, vitrified micro bubbles, ceramic fibers and foamed ceramic powder into a mixing cylinder, mixing and stirring at the speed of 240r/min for 30min, then adding the rest raw materials into the mixing cylinder, and mixing and stirring uniformly to obtain the coating for the decorative surface layer of the heat-insulating coating.
The defoaming agent is polyoxypropylene polyoxyethylene glycerol ether.
The leveling agent is PU/UV leveling agent SC-333.
A preparation method of a building wall surface structure comprises the following steps: manufacturing a wall surface substrate according to the prior art, cleaning floating sand, dust and the like on the surface of the wall surface substrate, brushing an isolating surface agent surface adhered to a concrete surface by using a detergent or a caustic soda solution, washing the isolating surface agent surface by using clear water to remove the caustic soda solution, and drying the isolating surface agent surface by airing; sequentially coating a wall surface leveling layer on the outer surface of the wall surface substrate, and finally sequentially coating a waterproof coating and a heat-insulating coating facing layer from inside to outside; wherein, the waterproof coating is coated on the outer surface of the wall surface leveling layer; finally, the building wall surface structure is manufactured.
And (3) performance detection:
the building wall structures prepared in examples 1 to 3 (examples 1 to 3) provided by the present invention and the building wall structures prepared according to the prior art (comparative examples) were tested for their respective performance, and the test data obtained are recorded in the following table:
from the relevant data in the above table, it can be seen that the building wall surface structure prepared by the invention not only has good waterproof performance, but also has good heat preservation and sound insulation performance. The building wall surface structure produced by the invention has better quality and more functions, and is more suitable for popularization.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (9)
1. A building wall structure which characterized in that: the wall surface leveling coating comprises a wall surface substrate, a wall surface leveling layer coated on the surface of the wall surface substrate, a waterproof coating coated on the surface of the wall surface leveling layer and a heat-insulating coating facing layer coated on the surface of the waterproof coating.
2. A building wall structure according to claim 1, wherein: the wall surface leveling layer is made of any one of a cement mortar leveling layer or a plastering gypsum leveling layer.
3. A building wall structure according to claim 1, wherein: the paint used by the waterproof coating is prepared from the following raw materials in parts by weight: 25-35 parts of pure acrylate emulsion, 15-22 parts of elastic styrene-acrylic emulsion, 4-6 parts of modified cross-linking agent, 2-5 parts of paraffin-based rubber oil, 3-5 parts of quartz sand, 2-4 parts of calcium carbonate, 2.6-3.4 parts of fumed silica, 1.9-2.4 parts of tributyl phosphate, 1.8-2.5 parts of complexing agent and 1.5-2.0 parts of sodium alginate;
the preparation method comprises the following steps: crushing and grinding solid raw materials in the components to 200-mesh-300-mesh, adding the elastic styrene-acrylic emulsion, the modified cross-linking agent, the paraffin-based rubber oil, the portland cement, the quartz sand fine powder and the calcium carbonate into a mixing container, ultrasonically mixing the mixed components for 30-45min, sequentially transferring the rest raw materials into the mixing container, mixing and stirring for 35-50min under the conditions that the temperature is 50-65 ℃ and the stirring speed is 120-mesh-200 r/min, and finally obtaining the mixed component in the mixing container, namely the coating for the waterproof coating.
4. A building wall structure according to claim 3, wherein: the complexing agent is any one of diethylenetriaminepentaacetic acid or sodium nitrilotriacetic acid.
5. A building wall structure according to claim 3, wherein: the preparation method of the modified cross-linking agent comprises the following steps: dissolving 15-25 parts by weight of enzyme dextrin and 6-10 parts by weight of polyvinylpyrrolidone in 45-55 parts by weight of distilled water, adding 12-18 parts by weight of vinyl trimethoxy silane, and marking the mixture as a mixed solution; and transferring the obtained mixed solution into a high-speed dispersion machine for high-speed dispersion, and after uniform dispersion, carrying out spray drying on the mixed solution to obtain solid particles, namely the finished product of the modified cross-linking agent.
6. A building wall structure according to claim 1, wherein: the paint used for the heat-insulating paint finishing layer is prepared from the following raw materials in parts by weight: 45-60 parts of epoxy resin, 18-25 parts of styrene-acrylic emulsion, 3-5 parts of sodium carboxymethylcellulose, 2.4-3.0 parts of diamine tetraacetic acid, 3.2-3.6 parts of propylene glycol methyl ether acetate, 1.8-2.4 parts of 8-hydroxyquinoline copper, 4.8-5.6 parts of expanded perlite, 6.2-7.8 parts of vitrified micro-beads, 4.2-4.8 parts of ceramic fibers, 3.2-3.6 parts of foamed ceramic powder, 1.8-2.5 parts of defoaming agent and 1.5-2.0 parts of flatting agent;
the preparation method comprises the following steps: grinding the solid raw materials in the components to 200-mesh-300-mesh, then adding epoxy resin, styrene-acrylic emulsion, sodium carboxymethylcellulose, defoamer, expanded perlite, vitrified micro bubbles, ceramic fiber and foamed ceramic powder into a mixing cylinder, mixing and stirring at the speed of 240r/min for 15-30min, then adding the rest raw materials into the mixing cylinder, and mixing and stirring uniformly to obtain the coating for the decorative surface layer of the heat-insulating coating.
7. A building wall structure according to claim 6, wherein: the defoaming agent is selected from any one of polyoxypropylene polyoxyethylene glycerol ether or polydimethylsiloxane.
8. A building wall structure according to claim 6, wherein: the leveling agent is PU/UV leveling agent SC-333.
9. A method of making a building wall structure according to any one of claims 1 to 8, comprising the steps of: manufacturing a wall surface substrate according to the prior art, cleaning floating sand, dust and the like on the surface of the wall surface substrate, brushing an isolating surface agent surface adhered to a concrete surface by using a detergent or a caustic soda solution, washing the isolating surface agent surface by using clear water to remove the caustic soda solution, and drying the isolating surface agent surface by airing; sequentially coating a wall surface leveling layer on the outer surface of the wall surface substrate, and finally sequentially coating a waterproof coating and a heat-insulating coating facing layer from inside to outside; wherein, the waterproof coating is coated on the outer surface of the wall surface leveling layer; finally, the building wall surface structure is manufactured.
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| CN202010427658.6A CN111395674A (en) | 2020-05-20 | 2020-05-20 | Building wall surface structure and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116693267A (en) * | 2023-06-07 | 2023-09-05 | 珠海横琴超元科技有限公司 | Energy storage ceiling wall composite material based on green building and manufacturing method thereof |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116693267A (en) * | 2023-06-07 | 2023-09-05 | 珠海横琴超元科技有限公司 | Energy storage ceiling wall composite material based on green building and manufacturing method thereof |
| CN116693267B (en) * | 2023-06-07 | 2024-01-16 | 珠海横琴超元科技有限公司 | Energy storage ceiling wall composite material based on green building and manufacturing method thereof |
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