CN111910860A - Wallpaper paving method - Google Patents
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- CN111910860A CN111910860A CN202010819646.8A CN202010819646A CN111910860A CN 111910860 A CN111910860 A CN 111910860A CN 202010819646 A CN202010819646 A CN 202010819646A CN 111910860 A CN111910860 A CN 111910860A
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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
- E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives 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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/02—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a wallpaper paving and pasting method, which comprises the following steps: s1: wall surface treatment: removing dust and stains on the wall surface, and polishing and flattening; s2: spreading wallpaper with wallpaper glue; the wallpaper adhesive is prepared from the following raw materials in percentage by mass: organosilicon modified fluorine-containing acrylate emulsion40-50% of polyvinyl alcohol, 4-5% of nano mildew preventive, 0.3-0.5% of nano mildew preventive and the balance of aqueous polyurethane emulsion; the nanometer mildew preventive is prepared from nanometer silver/zinc hydroxyl copper phosphate and nanometer barium metaborate according to the weight ratio of 1: (0.2-0.4) by mass; s3: wallpaper surface treatment: at a ratio of 30 to 50g/m2The protective liquid is uniformly coated on the outer surface of the wall surface according to the dosage of the protective liquid, and the protective liquid is naturally cured to form a film. The invention uses the organosilicon modified fluorine-containing acrylate emulsion and the aqueous polyurethane emulsion to prepare the wallpaper adhesive, and the advantages of the wallpaper adhesive are complementary in performance, and compared with a single aqueous polyurethane emulsion, the water resistance, the hydrophobic property, the aging resistance, the weather resistance and the wear resistance of the wallpaper adhesive are obviously improved.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a wallpaper paving method.
Background
Wallpaper is also called as wallpaper, is an interior decoration material for pasting wall surfaces, and is widely used for interior decoration of houses, offices, hotels, and the like. When the wall paper is paved, wall paper glue is needed to be used for adhering, the adhesive for the wood fiber wall paper or the pure paper wall paper mainly adopts natural starch or modified starch as raw materials, and is matched with methyl cellulose, vinyl acetate resin and the like, but the starch type and cellulose type wall paper glue can be used as nutrients of microorganisms, are easy to degrade, have poor stability and poor water resistance, particularly, under the condition that the wall surface is wetted, the bred microorganisms are rapidly bred, and the problems of wall surface mildewing and wall paper delamination are easy to occur.
In the prior patent, the conventional starch-type and cellulose-type wallpaper adhesives are replaced by adhesives such as aqueous polyurethane and aqueous resin, so that the problem that the starch-type and cellulose-type wallpaper adhesives easily mildew is solved, but the aqueous polyurethane and the aqueous resin contain a large amount of hydrophilic groups, are easy to swell when meeting water and have poor water resistance, and water molecules can still permeate into wallpaper through an adhesive film, so that the adhesive is not suitable for a wall surface environment affected with damp for a long time. For example, patent with application number CN201510650613.4 discloses a solid wallpaper glue and a preparation method thereof, which uses at least one of polyester resin, polyacrylic acid and polyvinyl alcohol as an adhesive; for example, patent No. CN201510835829.8 discloses an aqueous polyurethane wallpaper adhesive, which is prepared from aqueous polyurethane resin and a mildew preventive.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a wallpaper paving and pasting method.
The technical scheme of the invention is summarized as follows:
a wallpaper paving method comprises the following steps:
s1: wall surface treatment: removing dust and stains on the wall surface, and polishing and flattening;
s2: paving and pasting wallpaper: at 60-100 g/m2After uniformly coating wallpaper glue on the back surface of the wallpaper, paving the wallpaper on the wall surface from top to bottom and from left to right, slowly pressing the wallpaper until the wallpaper is flat and has no wrinkles, and naturally maintaining for 2-3 d;
the wallpaper adhesive is prepared from the following raw materials in percentage by mass: 40-50% of organic silicon modified fluorine-containing acrylate emulsion, 4-5% of polyvinyl alcohol, 0.3-0.5% of nano mildew preventive and the balance of aqueous polyurethane emulsion;
the nanometer mildew preventive is prepared from nanometer silver/zinc hydroxyl copper phosphate and nanometer barium metaborate according to the weight ratio of 1: (0.2-0.4) by mass;
s3: wallpaper surface treatment: at a ratio of 30 to 50g/m2Uniformly coating protective liquid on the outer surface of the wall surface according to the dosage of the protective liquid, and naturally curing to form a film;
the protective liquid is prepared from organic silicon modified fluorine-containing acrylate emulsion and a nano mildew preventive according to the ratio of (150-300): 1, and mixing the components in a mass ratio of 1.
Preferably, the preparation method of the organosilicon modified fluorine-containing acrylate emulsion comprises the following steps: dissolving 10-15 parts by mass of a fluorine-containing acrylate monomer, 5-7 parts by mass of methacrylic acid, 15-20 parts by mass of methyl acrylate and 6-10 parts by mass of an organic silicon monomer in 150 parts by mass of tetrahydrofuran, heating to 60-65 ℃, adding 0.03-0.06 part by mass of dibenzoyl peroxide, initiating a polymerization reaction, reacting for 3-6 hours, adding 200 parts by mass of distilled water, stirring uniformly, and then carrying out rotary evaporation on the tetrahydrofuran solvent at 70-85 ℃ to obtain the organic silicon modified fluorine-containing acrylate emulsion.
Preferably, the fluorine-containing acrylate monomer comprises one or more of hexafluorobutyl acrylate, hexafluorobutyl methacrylate, hexafluoroisopropyl methacrylate and dodecafluoroheptyl acrylate.
Preferably, the organosilicon monomer comprises one or more of vinyltrioxysilane, methylvinyldiethoxysilane, methylvinyldimethoxysilane, gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane and N-phenylaminomethyltriethoxysilane.
Preferably, the solid content of the aqueous polyurethane emulsion is 35-40%.
Preferably, the preparation method of the nano silver/zinc-loaded copper hydroxyl phosphate comprises the following steps: dissolving 0.3-0.6 part of silver nitrate and 0.5-1 part of zinc nitrate in 100 parts of deionized water according to parts by mass, adding 5-10 parts of copper hydroxy phosphate, performing ultrasonic dispersion, dropwise adding 15-20 parts of ammonia water solution with the mass concentration of 10%, stirring and reacting at 10-30 ℃ for 2-6 h, filtering, and calcining at 130-155 ℃ for 2-3 h to obtain the nano silver/zinc-loaded copper hydroxy phosphate.
The invention has the beneficial effects that:
1. the invention uses the organosilicon modified fluorine-containing acrylate emulsion and the aqueous polyurethane emulsion to prepare the wallpaper adhesive, and the advantages of the wallpaper adhesive are complementary in performance, and compared with a single aqueous polyurethane emulsion, the water resistance, the hydrophobic property, the aging resistance, the weather resistance and the wear resistance of the wallpaper adhesive are obviously improved.
2. According to the invention, a fluorine-containing acrylate monomer, methacrylic acid, methyl acrylate and an organic silicon monomer are copolymerized to synthesize an organic silicon modified fluorine-containing acrylate emulsion, the organic silicon monomer is grafted to a polyacrylate molecular chain by using an addition polymerization reaction between unsaturated C ═ C bonds or an amidation condensation reaction between amino groups and carboxyl groups, and finally an acrylic copolymer containing a large number of C-F bonds, Si-O bonds and C-Si bonds is synthesized, so that the acrylic copolymer has excellent water resistance, hydrophobic and oleophobic properties, and further the water resistance and mildew resistance of the wallpaper adhesive are improved.
3. The invention utilizes the nano silver/zinc-loaded copper hydroxy phosphate and the nano barium metaborate to compound the nano mildew preventive, has obvious antibacterial and bactericidal performance, and simultaneously, the nano silver oxide and the nano zinc oxide are loaded on the copper hydroxy phosphate to form the heterojunction composite photocatalyst, thereby expanding the spectral response range, effectively improving the utilization efficiency of the compound on visible light, accelerating the separation of electron-hole pairs, further improving the catalytic activity, efficiently degrading air pollutants and improving the indoor environment quality.
4. The invention further utilizes the protective liquid compounded by the organosilicon modified fluorine-containing acrylate emulsion and the nano mildew preventive to carry out surface treatment on the wallpaper, thereby avoiding the problem that the wallpaper swells with water, improving the scratch resistance, stain resistance and water resistance of the wallpaper and prolonging the service life of the wallpaper.
Drawings
Fig. 1 is a flow chart of a wallpaper pasting method according to the invention.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
Example 1
A wallpaper paving method comprises the following steps:
s1: preparing organic silicon modified fluorine-containing acrylate emulsion: dissolving 10 parts by mass of hexafluorobutyl acrylate, 5 parts by mass of methacrylic acid, 15 parts by mass of methyl acrylate and 6 parts by mass of vinyl trioxysilane in 150 parts by mass of tetrahydrofuran, heating to 65 ℃, adding 0.03 part by mass of dibenzoyl peroxide to initiate polymerization reaction for 3 hours, adding 200 parts by mass of distilled water, stirring uniformly, and carrying out rotary evaporation on tetrahydrofuran solvent at 85 ℃ to obtain the organic silicon modified fluorine-containing acrylate emulsion;
s2: preparing a nano mildew preventive:
a. dissolving 0.3 part of silver nitrate and 0.5 part of zinc nitrate in 100 parts of deionized water according to the mass parts, adding 5 parts of copper hydroxy phosphate, after ultrasonic dispersion, dropwise adding 15 parts of ammonia water solution with the mass concentration of 10%, stirring and reacting for 2 hours at 30 ℃, filtering, and calcining for 3 hours at 130 ℃ to obtain the nano silver/zinc copper hydroxy phosphate;
b. according to the following steps: uniformly mixing the nano silver/zinc-loaded hydroxyl copper phosphate and the nano barium metaborate in a mass ratio of 0.2 to obtain a mildew preventive;
s3: preparing wallpaper adhesive: weighing 40% of organic silicon modified fluorine-containing acrylate emulsion, 5% of polyvinyl alcohol, 0.3% of nano mildew preventive and 35% of aqueous polyurethane emulsion in percentage by mass, complementing the balance, and uniformly mixing to obtain wallpaper adhesive;
s4: preparing a protective liquid: according to the following steps of 200: 1, uniformly mixing the organic silicon modified fluorine-containing acrylate emulsion and the nano mildew preventive in a mass ratio to obtain a protective liquid;
s5: wall surface treatment: removing dust and stains on the wall surface, and polishing and flattening;
s6: paving and pasting wallpaper: at 60g/m2After uniformly coating wallpaper glue on the back surface of the wallpaper, paving the wallpaper on the wall surface from top to bottom and from left to right, slowly pressing the wallpaper until the wallpaper is flat and has no wrinkles, and naturally maintaining for 3 d;
s7: wallpaper surface treatment: at a ratio of 30g/m2The protective liquid is uniformly coated on the outer surface of the wall surface according to the dosage of the protective liquid, and the protective liquid is naturally cured to form a film.
Example 2
A wallpaper paving method comprises the following steps:
s1: preparing organic silicon modified fluorine-containing acrylate emulsion: dissolving 12.5 parts by mass of hexafluorobutyl methacrylate, 6 parts by mass of methacrylic acid, 17.5 parts by mass of methyl acrylate and 8 parts by mass of methyl vinyl dimethoxysilane in 150 parts by mass of tetrahydrofuran, heating to 65 ℃, adding 0.05 part by mass of dibenzoyl peroxide, initiating a polymerization reaction for 5 hours, adding 200 parts by mass of distilled water, uniformly stirring, and rotationally evaporating the tetrahydrofuran solvent at 85 ℃ to obtain the organic silicon modified fluorine-containing acrylate emulsion;
s2: preparing a nano mildew preventive:
a. dissolving 0.5 part of silver nitrate and 0.8 part of zinc nitrate in 100 parts of deionized water according to the mass parts, adding 8 parts of copper hydroxy phosphate, after ultrasonic dispersion, dropwise adding 17.5 parts of ammonia water solution with the mass concentration of 10%, stirring and reacting for 3h at 25 ℃, filtering, and calcining for 3h at 140 ℃ to obtain the nano silver/zinc-loaded copper hydroxy phosphate;
b. according to the following steps: uniformly mixing the nano silver/zinc-loaded hydroxyl copper phosphate and the nano barium metaborate in a mass ratio of 0.3 to obtain a mildew preventive;
s3: preparing wallpaper adhesive: weighing 45% of organic silicon modified fluorine-containing acrylate emulsion, 5% of polyvinyl alcohol, 0.4% of nano mildew preventive and 40% of aqueous polyurethane emulsion in percentage by mass, complementing the balance, and uniformly mixing to obtain wallpaper adhesive;
s4: preparing a protective liquid: according to the following steps of 250: 1, uniformly mixing the organic silicon modified fluorine-containing acrylate emulsion and the nano mildew preventive in a mass ratio to obtain a protective liquid;
s5: wall surface treatment: removing dust and stains on the wall surface, and polishing and flattening;
s6: paving and pasting wallpaper: according to 80g/m2After uniformly coating wallpaper glue on the back surface of the wallpaper, paving the wallpaper on the wall surface from top to bottom and from left to right, slowly pressing the wallpaper until the wallpaper is flat and has no wrinkles, and naturally maintaining for 3 d;
s7: wallpaper surface treatment: at 40g/m2The protective liquid is uniformly coated on the outer surface of the wall surface according to the dosage of the protective liquid, and the protective liquid is naturally cured to form a film.
Example 3
A wallpaper paving method comprises the following steps:
s1: preparing organic silicon modified fluorine-containing acrylate emulsion: dissolving 15 parts by mass of hexafluorobutyl methacrylate, 7 parts by mass of methacrylic acid, 20 parts by mass of methyl acrylate and 10 parts by mass of gamma-aminopropyltrimethoxysilane in 150 parts by mass of tetrahydrofuran, heating to 65 ℃, adding 0.06 part by mass of dibenzoyl peroxide, initiating a polymerization reaction for 6 hours, adding 200 parts by mass of distilled water, uniformly stirring, and rotationally steaming the tetrahydrofuran solvent at 85 ℃ to obtain the organic silicon modified fluorine-containing acrylate emulsion;
s2: preparing a nano mildew preventive:
a. dissolving 0.6 part of silver nitrate and 1 part of zinc nitrate in 100 parts of deionized water according to the mass parts, adding 10 parts of copper hydroxy phosphate, performing ultrasonic dispersion, dropwise adding 20 parts of ammonia water solution with the mass concentration of 10%, stirring and reacting for 6 hours at 25 ℃, filtering, and calcining for 3 hours at 155 ℃ to obtain the nano silver/zinc copper hydroxy phosphate;
b. according to the following steps: uniformly mixing the nano silver/zinc-loaded hydroxyl copper phosphate and the nano barium metaborate in a mass ratio of 0.4 to obtain a mildew preventive;
s3: preparing wallpaper adhesive: weighing 50% of organic silicon modified fluorine-containing acrylate emulsion, 5% of polyvinyl alcohol, 0.5% of nano mildew preventive and 35% of aqueous polyurethane emulsion in percentage by mass, complementing the balance, and uniformly mixing to obtain wallpaper adhesive;
s4: preparing a protective liquid: according to the weight ratio of 300: 1, uniformly mixing the organic silicon modified fluorine-containing acrylate emulsion and the nano mildew preventive in a mass ratio to obtain a protective liquid;
s5: wall surface treatment: removing dust and stains on the wall surface, and polishing and flattening;
s6: paving and pasting wallpaper: according to 100g/m2After uniformly coating wallpaper glue on the back surface of the wallpaper, paving the wallpaper on the wall surface from top to bottom and from left to right, slowly pressing the wallpaper until the wallpaper is flat and has no wrinkles, and naturally maintaining for 3 d;
s7: wallpaper surface treatment: at 50g/m2The protective liquid is uniformly coated on the outer surface of the wall surface according to the dosage of the protective liquid, and the protective liquid is naturally cured to form a film.
Comparative example 1: the same as in example 1, except that: the wallpaper adhesive does not contain organic silicon modified fluorine-containing acrylate emulsion.
Comparative example 2: the same as in example 1, except that: the mildew inhibitor is only nano barium metaborate.
Comparative example 3: the same as in example 1, except that: the wallpaper adhesive and the protective liquid do not contain mildew preventive.
Performance testing
A. Hydrophobicity test: the wallpaper glue prepared in examples 1 to 3 and comparative examples 1 to 3 was uniformly coated on a putty plate, dried and cured, and then the water contact angle theta of the surface of the coating film was measured by using a JC2000C type dynamic contact angle measuring instrument.
B. And (3) mildew resistance test: the mildew resistance of the wallpaper glues prepared in examples 1-3 and comparative examples 1-3 was determined according to GB-T1741-2007 method for testing the mildew resistance of paint films.
C. And (3) testing water resistance: the wallpaper adhesives prepared in the examples 1 to 3 and the comparative examples 1 to 3 were uniformly coated on a polytetrafluoroethylene board with a coating thickness of 0.8mm, after drying and curing, the coating film was torn off and cut into blocks of 50mm × 50mm, and the mass m of the blocks was weighed1Then immersing the mixture in distilled water for 48 hours at 35 ℃, and weighing the mass m2According to the formula 100% × (m)2-m1)/m1The water absorption was calculated.
| Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Water contact angle theta/° | 115.7 | 122.6 | 128.4 | 79.5 | 115.7 | 115.9 |
| Mildew resistance grade/grade | 0 | 0 | 0 | 0 | 2 | 3 |
| Water absorption/%) | 10.8 | 8.4 | 3.1 | 56.8 | 10.9 | 10.7 |
As can be seen from the above table, the wallpaper adhesive prepared by using the organosilicon modified fluorine-containing acrylate emulsion and the aqueous polyurethane emulsion has complementary advantages in performance, and compared with a single aqueous polyurethane emulsion, the water resistance and the hydrophobic property of the wallpaper adhesive are obviously improved.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (6)
1. A wallpaper paving method is characterized by comprising the following steps:
s1: wall surface treatment: removing dust and stains on the wall surface, and polishing and flattening;
s2: paving and pasting wallpaper: at 60-100 g/m2After uniformly coating wallpaper glue on the back surface of the wallpaper, paving the wallpaper on the wall surface from top to bottom and from left to right, slowly pressing the wallpaper until the wallpaper is flat and has no wrinkles, and naturally maintaining for 2-3 d;
the wallpaper adhesive is prepared from the following raw materials in percentage by mass: 40-50% of organic silicon modified fluorine-containing acrylate emulsion, 4-5% of polyvinyl alcohol, 0.3-0.5% of nano mildew preventive and the balance of aqueous polyurethane emulsion;
the nanometer mildew preventive is prepared from nanometer silver/zinc hydroxyl copper phosphate and nanometer barium metaborate according to the weight ratio of 1: (0.2-0.4) by mass;
s3: wallpaper surface treatment: at a ratio of 30 to 50g/m2Uniformly coating protective liquid on the outer surface of the wall surface according to the dosage of the protective liquid, and naturally curing to form a film; the protective liquid is prepared from organic silicon modified fluorine-containing acrylate emulsion and a nano mildew preventive according to the ratio of (150-300): 1, and mixing the components in a mass ratio of 1.
2. The wallpaper paving method according to claim 1, wherein the preparation method of the organosilicon modified fluorine-containing acrylate emulsion comprises the following steps: dissolving 10-15 parts by mass of a fluorine-containing acrylate monomer, 5-7 parts by mass of methacrylic acid, 15-20 parts by mass of methyl acrylate and 6-10 parts by mass of an organic silicon monomer in 150 parts by mass of tetrahydrofuran, heating to 60-65 ℃, adding 0.03-0.06 part by mass of dibenzoyl peroxide, initiating a polymerization reaction, reacting for 3-6 hours, adding 200 parts by mass of distilled water, stirring uniformly, and then carrying out rotary evaporation on the tetrahydrofuran solvent at 70-85 ℃ to obtain the organic silicon modified fluorine-containing acrylate emulsion.
3. The wallpaper paving method according to claim 2, wherein the fluorine-containing acrylate monomer comprises one or more of hexafluorobutyl acrylate, hexafluorobutyl methacrylate, hexafluoroisopropyl methacrylate and dodecafluoroheptyl acrylate.
4. The wallpaper paving method according to claim 2, wherein the organosilicon monomer comprises one or more of vinyltrioxysilane, methylvinyldiethoxysilane, methylvinyldimethoxysilane, gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane, and N-phenylaminomethyltriethoxysilane.
5. The wallpaper paving method according to claim 1, wherein the solid content of the aqueous polyurethane emulsion is 35-40%.
6. The wallpaper paving method according to claim 1, wherein the preparation method of the nano silver/zinc-loaded copper hydroxyl phosphate comprises the following steps: dissolving 0.3-0.6 part of silver nitrate and 0.5-1 part of zinc nitrate in 100 parts of deionized water according to parts by mass, adding 5-10 parts of copper hydroxy phosphate, performing ultrasonic dispersion, dropwise adding 15-20 parts of ammonia water solution with the mass concentration of 10%, stirring and reacting at 10-30 ℃ for 2-6 h, filtering, and calcining at 130-155 ℃ for 2-3 h to obtain the nano silver/zinc-loaded copper hydroxy phosphate.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644095A (en) * | 2020-12-24 | 2021-04-13 | 安徽品冠管业有限公司 | Antibacterial PP-R pipe and preparation method thereof |
| CN117468268A (en) * | 2023-12-27 | 2024-01-30 | 湖南大道新材料有限公司 | Water-blocking paper bag and preparation method and application thereof |
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