CN116120835A - Wall coating and preparation method thereof - Google Patents
Wall coating and preparation method thereof Download PDFInfo
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- CN116120835A CN116120835A CN202310154951.3A CN202310154951A CN116120835A CN 116120835 A CN116120835 A CN 116120835A CN 202310154951 A CN202310154951 A CN 202310154951A CN 116120835 A CN116120835 A CN 116120835A
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- 238000000576 coating method Methods 0.000 title claims abstract description 52
- 239000011248 coating agent Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 239000011347 resin Substances 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims abstract description 35
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003973 paint Substances 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 25
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 16
- 239000012188 paraffin wax Substances 0.000 claims description 12
- 239000010453 quartz Substances 0.000 claims description 12
- 235000021355 Stearic acid Nutrition 0.000 claims description 10
- 239000010445 mica Substances 0.000 claims description 10
- 229910052618 mica group Inorganic materials 0.000 claims description 10
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 10
- 239000008117 stearic acid Substances 0.000 claims description 10
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical group CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 9
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical group COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 8
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical group [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 8
- 235000019253 formic acid Nutrition 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- 235000013539 calcium stearate Nutrition 0.000 claims description 6
- 239000008116 calcium stearate Substances 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 235000019809 paraffin wax Nutrition 0.000 claims 1
- 235000019271 petrolatum Nutrition 0.000 claims 1
- 230000003373 anti-fouling effect Effects 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 description 12
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910002661 O–Ti–O Inorganic materials 0.000 description 1
- 229910002655 O−Ti−O Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
- C09D201/02—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C09D201/04—Coating compositions based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
-
- 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
-
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention belongs to the technical field of paint, and in particular relates to a wall paint which comprises the following raw materials in parts by mass: 20-30 parts of organic silicon resin, 20-30 parts of resin, 10-20 parts of pigment filler, 15-20 parts of nano titanium dioxide, 10-20 parts of silica sol, 5-10 parts of pH regulator, 5-10 parts of dispersing agent, 10-15 parts of antibacterial agent and 30-40 parts of silane coupling agent. The preparation method of the wall coating comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol and the dispersing agent while stirring to fully dissolve each component; (2) Continuously adding pigment and filler into the stirring barrel, fully grinding and stirring, and then adding a pH regulator to adjust the pH value to 5.5-6.5; (3) The invention can solve the problem of poor antifouling erosive capacity of the existing wall coating, and has better market application prospect.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a wall coating and a preparation method thereof.
Background
The wall coating is used for decorating and protecting the building wall surface, so that the building wall surface is attractive and tidy, and meanwhile, the wall coating can also protect the building wall surface and prolong the service life of the building wall surface. The interior wall coating is focused on decoration and environmental protection, and the exterior wall coating is focused on protection and durability. The inner wall paint has better use environment condition than the outer wall paint, so the requirements on weather resistance, water resistance, stain resistance, temperature resistance and the like of the coating film are lower than those of the outer wall paint. In terms of performance, the exterior wall coating material can be used for an interior wall, but the interior wall coating material cannot be used for an exterior wall, but the interior wall coating material is often higher in environmental protection than the exterior wall coating material. Besides the decoration and protection effects of the wall coating, the wall coating also develops to the trend of rich color, fashion, health and environmental protection.
The patent with the application number of CN202111096917.2 discloses an environment-friendly wall coating for buildings and a preparation method thereof, wherein the wall coating comprises components such as glue powder, silica gel, nano montmorillonite composite powder, diatomite dispersion liquid, nano calcium silicate, nano silicon dioxide, glass fiber powder, red clay and the like, has the characteristics of strong binding power, quick drying, water resistance, moisture resistance, innocuity, no pollution and the like, and also has the functions of heat preservation, heat insulation and fire prevention. However, the wall coating has the same problem as the prior art, namely, is not stain-resistant. The existing wall coating, whether used as an external wall coating or an internal wall coating, can cause the problems of difficult scrubbing and reduced decorative effect once the polluted paint film is permeated. In this regard, the invention discloses a wall coating with strong anti-fouling and corrosion resistance and a preparation method thereof.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a wall coating and a preparation method thereof, which are used for solving the problem of poor antifouling corrosion resistance of the existing wall coating.
In order to achieve the above object, the present invention provides the following technical solutions:
a wall coating comprises the following raw materials in parts by mass: 20-30 parts of organic silicon resin, 20-30 parts of resin, 10-20 parts of pigment filler, 15-20 parts of nano titanium dioxide, 10-20 parts of silica sol, 5-10 parts of pH regulator, 5-10 parts of dispersing agent, 10-15 parts of antibacterial agent and 30-40 parts of silane coupling agent.
Preferably, the pigment and filler is one or more of mica powder, quartz powder and talcum powder.
Preferably, the pH adjuster is formic acid or acetic acid.
Preferably, the dispersing agent is one or more of paraffin, stearic acid and calcium stearate.
Preferably, the antibacterial agent is silver ion antibacterial agent.
Preferably, the silane coupling agent is methyltrimethoxysilane or phenyltrimethoxysilane.
The preparation method of the wall coating provided by the invention comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol and the dispersing agent while stirring to fully dissolve each component; (2) Continuously adding pigment and filler into the stirring barrel, fully grinding and stirring, and then adding a pH regulator to adjust the pH value to 5.5-6.5; (3) And continuously adding the silane coupling agent into the stirring barrel, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the wall coating and the preparation method thereof, the silane coupling agent is hydrolyzed into silanol with high activity under the weak acid condition, and the silanol reacts with silica sol, nano titanium dioxide and hydroxyl on the surface of the organic silicon resin to generate a long-chain structure, so that the combination is firm, and the service cycle of the coating is prolonged; the silane coupling agent contains a large amount of methyl groups, so that the surface of the coating has a hydrophobic structure and has strong anti-fouling and corrosion resistance.
(2) According to the wall coating and the preparation method thereof, the silver ion antibacterial agent is added into the raw materials, so that the wall coating has the functions of strong sterilization and virus inactivation, is not easy to run off, and can maintain the long-acting sterilization capability.
Detailed Description
The following description of the embodiments of the present invention will be apparent from the description of the embodiments of the present invention, which is provided in part, but not in whole. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Example 1
A wall coating comprises the following raw materials in parts by mass: 20 parts of organic silicon resin, 20 parts of resin, 10 parts of mica powder, 10 parts of quartz powder, 15 parts of nano titanium dioxide, 10 parts of silica sol, 10 parts of formic acid, 5 parts of paraffin wax, 5 parts of stearic acid, 10 parts of silver ion antibacterial agent and 30 parts of methyltrimethoxysilane.
The preparation method of the wall coating comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol, the paraffin and the stearic acid while stirring to fully dissolve the components; (2) Continuously adding mica powder and quartz powder into a stirring cylinder, fully grinding and stirring, adding formic acid, and regulating the pH value to 5.5-6.5; (3) And continuously adding methyltrimethoxysilane into the stirring cylinder, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
Example 2
A wall coating comprises the following raw materials in parts by mass: 25 parts of organic silicon resin, 25 parts of resin, 7 parts of mica powder, 8 parts of quartz powder, 17 parts of nano titanium dioxide, 15 parts of silica sol, 7 parts of formic acid, 3 parts of paraffin, 4 parts of stearic acid, 12 parts of silver ion antibacterial agent and 35 parts of methyltrimethoxysilane.
The preparation method of the wall coating comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol, the paraffin and the stearic acid while stirring to fully dissolve the components; (2) Continuously adding mica powder and quartz powder into a stirring cylinder, fully grinding and stirring, adding formic acid, and regulating the pH value to 5.5-6.5; (3) And continuously adding methyltrimethoxysilane into the stirring cylinder, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
Example 3
A wall coating comprises the following raw materials in parts by mass: 30 parts of organic silicon resin, 30 parts of French resin, 5 parts of mica powder, 5 parts of quartz powder, 20 parts of nano titanium dioxide, 20 parts of silica sol, 5 parts of formic acid, 2 parts of paraffin, 3 parts of stearic acid, 15 parts of silver ion antibacterial agent and 40 parts of methyltrimethoxysilane.
The preparation method of the wall coating comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol, the paraffin and the stearic acid while stirring to fully dissolve the components; (2) Continuously adding mica powder and quartz powder into a stirring cylinder, fully grinding and stirring, adding formic acid, and regulating the pH value to 5.5-6.5; (3) And continuously adding methyltrimethoxysilane into the stirring cylinder, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
Example 4
A wall coating comprises the following raw materials in parts by mass: 30 parts of organic silicon resin, 30 parts of French resin, 5 parts of talcum powder, 5 parts of quartz powder, 20 parts of nano titanium dioxide, 20 parts of silica sol, 5 parts of acetic acid, 2 parts of paraffin, 3 parts of calcium stearate, 15 parts of silver ion antibacterial agent and 40 parts of phenyl trimethoxysilane.
The preparation method of the wall coating comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol, the paraffin and the calcium stearate while stirring to fully dissolve the components; (2) Continuously adding talcum powder and quartz powder into the stirring barrel, fully grinding and stirring, adding acetic acid, and regulating the pH value to 5.5-6.5; (3) And continuously adding phenyl trimethoxy silane into the stirring barrel, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
Example 5
A wall coating comprises the following raw materials in parts by mass: 30 parts of organic silicon resin, 30 parts of French resin, 5 parts of mica powder, 5 parts of talcum powder, 5 parts of quartz powder, 20 parts of nano titanium dioxide, 20 parts of silica sol, 5 parts of acetic acid, 2 parts of paraffin, 3 parts of stearic acid, 5 parts of calcium stearate, 15 parts of silver ion antibacterial agent and 40 parts of phenyl trimethoxysilane.
The preparation method of the wall coating comprises the following steps: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol, the paraffin, the stearic acid and the calcium stearate while stirring to fully dissolve the components; (2) Continuously adding mica powder, talcum powder and quartz powder into a stirring cylinder, fully grinding and stirring, adding acetic acid, and regulating the pH value to 5.5-6.5; (3) And continuously adding phenyl trimethoxy silane into the stirring barrel, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
In the wall coating, the silane coupling agent is hydrolyzed into silanol with high reactivity under the weak acid condition, and the silanol reacts with the silica sol and the hydroxyl on the surface of the nano titanium dioxide, so that the silica sol and the nano titanium dioxide are completely wrapped; meanwhile, silanol reacts with hydroxyl in the organic silicon resin to generate a long-chain structure, and the long-chain structure continuously reacts with silanol wrapping silica sol and nano titanium dioxide to continuously generate a crosslinking reaction, so that a silica bond is formed among the silica sol, the nano titanium dioxide and the organic silicon resin, and the combination is firm, so that the wall coating disclosed by the invention has a longer service life. In addition, the silane is mainly methyl trimethoxy silane which contains a large amount of methyl groups, so that the surface of the coating has stronger hydrophobicity and good stain resistance; silanol generated by the hydrolysis of methyltrimethylsilane can also react with hydroxyl on the surface of nano titanium dioxide to form a structure of-Si-O-Ti-O, which is beneficial to prolonging the service life of the nano titanium dioxide and keeping the long-term pollution-resistant effect.
The wall coating of example 1 of the present invention was prepared into a finished product and subjected to performance testing, the results of which are shown in Table 1 below.
Table 1 wall coating performance test
As can be seen from the data in Table 1, the wall coating has a far greater stain resistance effect than the national standard, shows stronger stain resistance and corrosion resistance, and can maintain the stain resistance effect for a long time; the yellowing resistance is far greater than national standard, and the weather resistance is excellent.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. The wall coating is characterized by comprising the following raw materials in parts by mass: 20-30 parts of organic silicon resin, 20-30 parts of resin, 10-20 parts of pigment filler, 15-20 parts of nano titanium dioxide, 10-20 parts of silica sol, 5-10 parts of pH regulator, 5-10 parts of dispersing agent, 10-15 parts of antibacterial agent and 30-40 parts of silane coupling agent.
2. The wall coating and the preparation method thereof according to claim 1, wherein the pigment and filler is one or more of mica powder, quartz powder and talcum powder.
3. The wall covering according to claim 1, wherein the pH adjustor is formic acid or acetic acid.
4. The wall covering according to claim 1, wherein the dispersant is one or more of paraffin wax, stearic acid and calcium stearate.
5. The wall covering according to claim 1, wherein the antibacterial agent is silver ion antibacterial agent.
6. The wall coating and the preparation method thereof according to claim 1, wherein the silane coupling agent is methyltrimethoxysilane or phenyltrimethoxysilane.
7. The method of preparing a wall covering according to claim 1, comprising the steps of: (1) Adding the organic silicon resin, the resin and the nano titanium dioxide into a stirring cylinder, slowly and uniformly stirring, and slowly adding the silica sol and the dispersing agent while stirring to fully dissolve each component; (2) Continuously adding pigment and filler into the stirring barrel, fully grinding and stirring, and then adding a pH regulator to adjust the pH value to 5.5-6.5; (3) And continuously adding the silane coupling agent into the stirring barrel, stirring until the paint is in a stable state, and cooling and placing to obtain the finished product of the wall paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310154951.3A CN116120835A (en) | 2023-02-23 | 2023-02-23 | Wall coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310154951.3A CN116120835A (en) | 2023-02-23 | 2023-02-23 | Wall coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116120835A true CN116120835A (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310154951.3A Pending CN116120835A (en) | 2023-02-23 | 2023-02-23 | Wall coating and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067062A (en) * | 2007-06-08 | 2007-11-07 | 东莞拓扑实业有限公司 | High performance outer wall paint and its prepn |
| CN108659594A (en) * | 2018-05-21 | 2018-10-16 | 安徽琦家科技股份有限公司 | A kind of waterproof automatically cleaning silicone resin coating and preparation method thereof |
| CN113150633A (en) * | 2021-04-01 | 2021-07-23 | 常州天瑞新材料科技有限公司 | Stain-resistant antibacterial wall coating and preparation method thereof |
| CN113956788A (en) * | 2021-10-22 | 2022-01-21 | 九江立帆科技有限公司 | Building wall coating and preparation method thereof |
| CN115109477A (en) * | 2022-07-12 | 2022-09-27 | 广西维一涂料制造有限公司 | Green environment-friendly exterior wall coating |
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2023
- 2023-02-23 CN CN202310154951.3A patent/CN116120835A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067062A (en) * | 2007-06-08 | 2007-11-07 | 东莞拓扑实业有限公司 | High performance outer wall paint and its prepn |
| CN108659594A (en) * | 2018-05-21 | 2018-10-16 | 安徽琦家科技股份有限公司 | A kind of waterproof automatically cleaning silicone resin coating and preparation method thereof |
| CN113150633A (en) * | 2021-04-01 | 2021-07-23 | 常州天瑞新材料科技有限公司 | Stain-resistant antibacterial wall coating and preparation method thereof |
| CN113956788A (en) * | 2021-10-22 | 2022-01-21 | 九江立帆科技有限公司 | Building wall coating and preparation method thereof |
| CN115109477A (en) * | 2022-07-12 | 2022-09-27 | 广西维一涂料制造有限公司 | Green environment-friendly exterior wall coating |
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