CN113494160A - Building house inner wall painting method based on environmental protection - Google Patents
Building house inner wall painting method based on environmental protection Download PDFInfo
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- CN113494160A CN113494160A CN202110793719.5A CN202110793719A CN113494160A CN 113494160 A CN113494160 A CN 113494160A CN 202110793719 A CN202110793719 A CN 202110793719A CN 113494160 A CN113494160 A CN 113494160A
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- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
-
- 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
- C09D103/00—Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09D103/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an environment-friendly building house inner wall painting method, which has the technical scheme that: the method comprises the following steps: s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 3mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3; s2, coating a bottom layer: coating a layer of putty powder with the thickness of 2-4mm on the surface of the finished wall body and airing; s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry; s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of 4-6mm on the surface of the dried interface agent and airing; s5, coating an adhesive; s6, smearing latex finish paint; the building house inner wall plastering method based on environmental protection is characterized in that the inner wall surface is not easy to fall off, and the method is environment-friendly, good in flatness, good in fire resistance and safe.
Description
Technical Field
The invention relates to the field of buildings, in particular to an environment-friendly building house inner wall painting method.
Background
It has become the most common practice to apply wall whitewash to the interior of a building for decoration.
The traditional Chinese patent with publication number CN104453134A discloses a plastering method of a filler wall, which comprises plastering ash cakes, first bottom-making maintenance, second surface layer construction and surface calendering; before the first bottom-copying maintenance, a layer of grid cloth is laid at the joint of the filler wall and the beam and the column; before surface press polishing, a layer of grid cloth is paved on the surface of the mortar at the joint of the filler wall and the beam and the column.
The wall surface constructed by the plastering method of the filler wall is easy to fall off, has the defects of poor environmental protection performance caused by short service life, poor fireproof performance and the like, and needs to be improved.
Disclosure of Invention
Aiming at the problems mentioned in the background technology, the invention aims to provide an environment-friendly building house inner wall painting method to solve the problems mentioned in the background technology.
The technical purpose of the invention is realized by the following technical scheme:
an environment-friendly building house inner wall painting method comprises the following steps:
s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 3mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3;
s2, coating a bottom layer: coating a layer of putty powder with the thickness of 2-4mm on the surface of the finished wall body and airing;
s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry;
s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of 4-6mm on the surface of the dried interface agent and airing;
s5, adhesive coating: coating a layer of adhesive on the surface of the dried refractory coating;
s6, smearing latex finish: and (3) coating a layer of latex finish on the surface of the adhesive, standing and airing.
Preferably, the weight slurry ratio of the filling agent applied in S1 is cement, fly ash, sand and polypropylene fiber: the polyacrylonitrile fiber is (4-6) to (0.4-0.7): (2-3): (1-2): (1-2).
Preferably, in S2, before the finished wall surface is coated with a layer of putty powder, the wall surface is soaked and maintained, and the soaking and maintaining are performed by using a material prepared from the following components in a mass ratio of 1000: 1, mixing the water and acetic acid to obtain a maintenance liquid, uniformly spraying the maintenance liquid onto the wall surface by using a spray gun, and then coating putty powder.
Preferably, in S3, after the interfacial agent is coated on the wall surface, the air heater is used to dry the interfacial agent, the air heater is bound on the moving frame, the distance between the air heater and the wall surface is kept at 1-1.2mm, and the power of the air heater is selected to be 2000-.
Preferably, the interfacial agent used in S3 comprises 20-40% of construction sand, 0.1-0.3% of hydroxypropyl methyl cellulose ether, 1-3% of asbestos fiber, 15-30% of needle-shaped wollastonite, 1-2% of water repellent, 1-2% of polyamide fiber and the balance of cement.
Preferably, in S4, the method for preparing the fire-resistant coating includes the following steps:
step one, weighing the following raw materials in parts by weight: 80-90 parts of waterborne polyurethane resin, 30-40 parts of water, 15-30 parts of flame retardant, 15-20 parts of titanium dioxide, 8-16 parts of ceramic microspheres, 6-12 parts of film-forming assistant, 0.5-1.2 parts of coupling agent, 0.4-0.8 part of thickening agent and 0.2-1 part of defoaming agent.
Step two: putting the waterborne polyurethane resin, water, the flame retardant, titanium dioxide and the ceramic microspheres into a reaction kettle, heating to 80-90 ℃, and uniformly stirring;
step three: and adding a film forming aid, a coupling agent, a thickening agent and a defoaming agent into the reaction kettle, and uniformly mixing to obtain the refractory coating.
Preferably, the film-forming assistant is one of propylene glycol butyl ether and propylene glycol methyl ether acetate, the coupling agent is one of phosphate, zirconate and stannate, the thickening agent is one of methyl cellulose, sodium starch phosphate and sodium carboxymethyl cellulose, and the defoaming agent is an organic silicon defoaming agent.
Preferably, the adhesive is starch, dextrin, polyvinyl alcohol and carboxymethyl cellulose in a mass ratio of 1: 2: 0.3: 0.7 of a mixture.
In summary, the invention mainly has the following beneficial effects:
the inner wall surface of the building house brushed by the environment-friendly inner wall plastering method is not easy to fall off, is environment-friendly, and has good flatness, good fire resistance and safety; the steps of finishing and leveling, coating a bottom layer, coating an interface agent, coating a fire-resistant paint, coating an adhesive, coating a latex finish paint and the like are adopted, so that the leveling of wall surface painting can be ensured, the fire resistance can be improved, the wall surface can be prevented from falling off, and the steps are short in industry and easy to operate.
Drawings
FIG. 1 is a block flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, an environment-friendly building house interior wall painting method comprises the following steps:
s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 3mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3;
s2, coating a bottom layer: coating a layer of putty powder with the thickness of 2mm on the surface of the finished wall body and drying the putty powder;
s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry;
s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of 4-6mm on the surface of the dried interface agent and airing;
s5, adhesive coating: coating a layer of adhesive on the surface of the dried refractory coating;
s6, smearing latex finish: and (3) coating a layer of latex finish on the surface of the adhesive, standing and airing.
Wherein the weight slurry ratio of the filling agent applied in S1 is cement, fly ash, sand and polypropylene fiber: the polyacrylonitrile fiber is 4: 0.5: 2: 1: 1.
in S2, performing infiltration maintenance on the wall surface before a layer of putty powder is coated on the surface of the finished wall body, wherein the mass ratio of the putty powder to the wall surface is 1000: 1, mixing the water and acetic acid to obtain a maintenance liquid, uniformly spraying the maintenance liquid onto the wall surface by using a spray gun, and then coating putty powder.
In S3, after the interfacial agent is coated on the wall surface, the interfacial agent is dried by an air heater until the interfacial agent is dry, the air heater is bound on a movable frame, the distance between the air heater and the wall surface is kept to be 1mm, and the power of the air heater is 2000W.
The interface agent used in S3 comprises 20% of building sand, 0.1% of hydroxypropyl methyl cellulose ether, 3% of asbestos fiber, 15% of needle-shaped wollastonite, 1% of water repellent, 1% of polyamide fiber and the balance of cement.
In S4, the preparation method of the selected fire-resistant coating comprises the following steps:
step one, weighing the following raw materials in parts by weight: 80 parts of waterborne polyurethane resin, 30 parts of water, 15 parts of flame retardant, 20 parts of titanium dioxide, 16 parts of ceramic microspheres, 8 parts of film-forming assistant, 0.5 part of coupling agent, 0.4 part of thickening agent and 0.2 part of defoaming agent.
Step two: putting the waterborne polyurethane resin, water, the flame retardant, titanium dioxide and the ceramic microspheres into a reaction kettle, heating to 80 ℃, and uniformly stirring;
step three: and adding a film forming aid, a coupling agent, a thickening agent and a defoaming agent into the reaction kettle, and uniformly mixing to obtain the refractory coating.
Wherein, the film-forming auxiliary agent is propylene glycol butyl ether, the coupling agent is phosphate, the thickening agent is methyl cellulose, and the defoaming agent is an organic silicon defoaming agent.
Wherein the adhesive is prepared from starch, dextrin, polyvinyl alcohol and carboxymethyl cellulose in a mass ratio of 1: 2: 0.3: 0.7 of a mixture.
The inner wall surface brushed by the environment-friendly building house inner wall plastering method is not easy to fall off, is environment-friendly, and is good in flatness, fire resistance and safety; the steps of finishing and leveling, coating a bottom layer, coating an interface agent, coating a fire-resistant paint, coating an adhesive, coating a latex finish paint and the like are adopted, so that the leveling of wall surface painting can be ensured, the fire resistance can be improved, the wall surface can be prevented from falling off, and the steps are short in industry and easy to operate.
Example 2
Referring to fig. 1, an environment-friendly building house interior wall painting method comprises the following steps:
s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 3mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3;
s2, coating a bottom layer: coating a layer of putty powder with the thickness of 4mm on the surface of the finished wall body and airing;
s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry;
s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of less than 6mm on the surface of the dried interface agent and airing;
s5, adhesive coating: coating a layer of adhesive on the surface of the dried refractory coating;
s6, smearing latex finish: and (3) coating a layer of latex finish on the surface of the adhesive, standing and airing.
Wherein the weight slurry ratio of the filling agent applied in S1 is cement, fly ash, sand and polypropylene fiber: the polyacrylonitrile fiber is 6: 0.6: 2.3: 1: 1.
in S2, performing infiltration maintenance on the wall surface before a layer of putty powder is coated on the surface of the finished wall body, wherein the mass ratio of the putty powder to the wall surface is 1000: 1, mixing the water and acetic acid to obtain a maintenance liquid, uniformly spraying the maintenance liquid onto the wall surface by using a spray gun, and then coating putty powder.
In S3, after the interfacial agent is coated on the wall surface, the interfacial agent is dried by an air heater until the interfacial agent is dry, the air heater is bound on a movable frame, the distance between the air heater and the wall surface is kept to be 1mm, and the power of the air heater is 2000W.
The interface agent used in S3 comprises 40% of building sand, 0.3% of hydroxypropyl methyl cellulose ether, 3% of asbestos fiber, 30% of needle-shaped wollastonite, 2% of a water repellent, 2% of polyamide fiber and the balance of cement.
In S4, the preparation method of the selected fire-resistant coating comprises the following steps:
step one, weighing the following raw materials in parts by weight: 90 parts of waterborne polyurethane resin, 34 parts of water, 18 parts of flame retardant, 19 parts of titanium dioxide, 12 parts of ceramic microspheres, 10 parts of film-forming assistant, 0.8 part of coupling agent, 0.6 part of thickening agent and 0.7 part of defoaming agent.
Step two: putting the waterborne polyurethane resin, water, the flame retardant, titanium dioxide and the ceramic microspheres into a reaction kettle, heating to 84 ℃, and uniformly stirring;
step three: and adding a film forming aid, a coupling agent, a thickening agent and a defoaming agent into the reaction kettle, and uniformly mixing to obtain the refractory coating.
The film-forming additive is propylene glycol methyl ether acetate, the coupling agent is zirconate, the thickening agent is sodium starch phosphate, and the defoaming agent is an organic silicon defoaming agent.
Wherein the adhesive is prepared from starch, dextrin, polyvinyl alcohol and carboxymethyl cellulose in a mass ratio of 1: 2: 0.3: 0.7 of a mixture.
Example 3
Referring to fig. 1, an environment-friendly building house interior wall painting method comprises the following steps:
s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 3mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3;
s2, coating a bottom layer: coating a layer of putty powder with the thickness of 3mm on the surface of the finished wall body and drying the putty powder;
s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry;
s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of 4-6mm on the surface of the dried interface agent and airing;
s5, adhesive coating: coating a layer of adhesive on the surface of the dried refractory coating;
s6, smearing latex finish: and (3) coating a layer of latex finish on the surface of the adhesive, standing and airing.
Wherein the weight slurry ratio of the filling agent applied in S1 is cement, fly ash, sand and polypropylene fiber: the polyacrylonitrile fiber is 4.4: 0.6: 2.2: 1.5: 1.5.
in S2, performing infiltration maintenance on the wall surface before a layer of putty powder is coated on the surface of the finished wall body, wherein the mass ratio of the putty powder to the wall surface is 1000: 1, mixing the water and acetic acid to obtain a maintenance liquid, uniformly spraying the maintenance liquid onto the wall surface by using a spray gun, and then coating putty powder.
In S3, after the interfacial agent is coated on the wall surface, the interfacial agent is dried by an air heater until the interfacial agent is dry, the air heater is bound on a movable frame, the distance between the air heater and the wall surface is kept to be 1-1.2mm, and the power of the air heater is selected to be 2000-2400W.
The interface agent used in S3 comprises 27% of building sand, 0.2% of hydroxypropyl methyl cellulose ether, 2% of asbestos fiber, 22% of needle-shaped wollastonite, 1.6% of a water repellent, 1.5% of polyamide fiber and the balance of cement.
In S4, the preparation method of the selected fire-resistant coating comprises the following steps:
step one, weighing the following raw materials in parts by weight: 87 parts of waterborne polyurethane resin, 34 parts of water, 19 parts of flame retardant, 18 parts of titanium dioxide, 12 parts of ceramic microspheres, 10 parts of film-forming assistant, 0.9 part of coupling agent, 0.6 part of thickening agent and 0.9 part of defoaming agent.
Step two: putting the waterborne polyurethane resin, water, the flame retardant, titanium dioxide and the ceramic microspheres into a reaction kettle, heating to 85 ℃, and uniformly stirring;
step three: and adding a film forming aid, a coupling agent, a thickening agent and a defoaming agent into the reaction kettle, and uniformly mixing to obtain the refractory coating.
Wherein, the film-forming additive is propylene glycol butyl ether, the coupling agent is stannate, the thickening agent is sodium carboxymethylcellulose, and the defoaming agent is an organic silicon defoaming agent.
Wherein the adhesive is prepared from starch, dextrin, polyvinyl alcohol and carboxymethyl cellulose in a mass ratio of 1: 2: 0.3: 0.7 of a mixture.
Example 4
Referring to fig. 1, an environment-friendly building house interior wall painting method comprises the following steps:
s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 2.7mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3;
s2, coating a bottom layer: coating a layer of putty powder with the thickness of 2mm on the surface of the finished wall body and drying the putty powder;
s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry;
s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of 4-6mm on the surface of the dried interface agent and airing;
s5, adhesive coating: coating a layer of adhesive on the surface of the dried refractory coating;
s6, smearing latex finish: and (3) coating a layer of latex finish on the surface of the adhesive, standing and airing.
Wherein the weight slurry ratio of the filling agent applied in S1 is cement, fly ash, sand and polypropylene fiber: the polyacrylonitrile fiber is 4: 0.56: 2.3: 1: 1.
in S2, performing infiltration maintenance on the wall surface before a layer of putty powder is coated on the surface of the finished wall body, wherein the mass ratio of the putty powder to the wall surface is 1000: 1, mixing the water and acetic acid to obtain a maintenance liquid, uniformly spraying the maintenance liquid onto the wall surface by using a spray gun, and then coating putty powder.
In S3, after the interfacial agent is coated on the wall surface, the interfacial agent is dried by an air heater until the interfacial agent is dry, the air heater is bound on a movable frame, the distance between the air heater and the wall surface is kept to be 1mm, and the power of the air heater is 2000W.
The interface agent used in S3 comprises 26% of building sand, 0.4% of hydroxypropyl methyl cellulose ether, 3% of asbestos fiber, 15% of needle-shaped wollastonite, 1% of water repellent, 1% of polyamide fiber and the balance of cement.
In order to verify the advantages of the inner wall painting surface, the following experiments are respectively carried out on the embodiment 1, the embodiment 2, the embodiment 3, the embodiment 4 and a control group, wherein the control group is only smeared with putty powder with the thickness of 5mm, and the experimental results are as follows:
formaldehyde content detection, control group: example 1: example 2: example 3: the ratio of example 4 was 1.45: 0.96: 0.778: 0.88: 1.1.
burst strength test, control group: example 1: example 2: example 3: example 4 ratio 1: 2; 2.3:1.9:1.8.
Fire resistance test, control group: example 1: example 2: example 3: example 4 ratio 1: 4; 5.2:4.1:4.2.
Service life detection, control group: example 1: example 2: example 3: example 4 ratio 1: 5; 5.6:4:3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An environment-friendly building house interior wall painting method is characterized by comprising the following steps: the method comprises the following steps:
s1, finishing and filling: removing all exposed brick layers of the whitewash layer in the building house, processing the surface of the wall body to be smooth, controlling the flatness of the wall surface within 3mm, and filling the uneven and stupefied corner-falling parts of the pit with a filling agent in a ratio of 1: 3;
s2, coating a bottom layer: coating a layer of putty powder with the thickness of 2-4mm on the surface of the finished wall body and airing;
s3, coating an interface agent: coating the interfacial agent on a wall surface, and then drying the interfacial agent by using an air heater until the interfacial agent is dry;
s4, coating a fire-resistant paint: coating a layer of refractory coating with the thickness of 4-6mm on the surface of the dried interface agent and airing;
s5, adhesive coating: coating a layer of adhesive on the surface of the dried refractory coating;
s6, smearing latex finish: and (3) coating a layer of latex finish on the surface of the adhesive, standing and airing.
2. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 1, wherein the plastering method comprises the following steps: the weight slurry ratio of the filling agent applied in the S1 is cement, fly ash, sand and polypropylene fiber: the polyacrylonitrile fiber is (4-6) to (0.4-0.7): (2-3): (1-2): (1-2).
3. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 1, wherein the plastering method comprises the following steps: in the step S2, before a layer of putty powder is coated on the surface of the finished wall body, infiltration maintenance is carried out on the wall surface, and the mass ratio is 1000: 1, mixing the water and acetic acid to obtain a maintenance liquid, uniformly spraying the maintenance liquid onto the wall surface by using a spray gun, and then coating putty powder.
4. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 1, wherein the plastering method comprises the following steps: in the step S3, after the interfacial agent is coated on the wall surface, the air heater is used to dry the interfacial agent, and the air heater is bound on the moving frame, the distance between the air heater and the wall surface is kept at 1-1.2mm, and the power of the air heater is selected to be 2000-2400W.
5. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 1, wherein the plastering method comprises the following steps: the interface agent used in the S3 comprises 20-40% of building sand, 0.1-0.3% of hydroxypropyl methyl cellulose ether, 1-3% of asbestos fiber, 15-30% of needle-shaped wollastonite, 1-2% of water repellent, 1-2% of polyamide fiber and the balance of cement.
6. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 1, wherein the plastering method comprises the following steps: in the step S4, the preparation method of the selected fire-resistant coating comprises the following steps:
step one, weighing the following raw materials in parts by weight: 80-90 parts of waterborne polyurethane resin, 30-40 parts of water, 15-30 parts of flame retardant, 15-20 parts of titanium dioxide, 8-16 parts of ceramic microspheres, 6-12 parts of film-forming assistant, 0.5-1.2 parts of coupling agent, 0.4-0.8 part of thickening agent and 0.2-1 part of defoaming agent.
Step two: putting the waterborne polyurethane resin, water, the flame retardant, titanium dioxide and the ceramic microspheres into a reaction kettle, heating to 80-90 ℃, and uniformly stirring;
step three: and adding a film forming aid, a coupling agent, a thickening agent and a defoaming agent into the reaction kettle, and uniformly mixing to obtain the refractory coating.
7. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 6, wherein the plastering method comprises the following steps: the film-forming auxiliary agent is one of propylene glycol butyl ether and propylene glycol methyl ether acetate, the coupling agent is one of phosphate, zirconate and stannate, the thickening agent is one of methyl cellulose, sodium starch phosphate and sodium carboxymethyl cellulose, and the defoaming agent is an organic silicon defoaming agent.
8. The environment-friendly plastering method for the inner wall of the building house as claimed in claim 1, wherein the plastering method comprises the following steps: the adhesive is prepared from starch, dextrin, polyvinyl alcohol and carboxymethyl cellulose in a mass ratio of 1: 2: 0.3: 0.7 of a mixture.
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