CN111875999A - Bio-based inorganic building coating and preparation method thereof - Google Patents
Bio-based inorganic building coating and preparation method thereof Download PDFInfo
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- CN111875999A CN111875999A CN202010877200.0A CN202010877200A CN111875999A CN 111875999 A CN111875999 A CN 111875999A CN 202010877200 A CN202010877200 A CN 202010877200A CN 111875999 A CN111875999 A CN 111875999A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Abstract
The invention provides a bio-based inorganic building coating which is prepared from the following raw materials in parts by weight: deionized water: 30-40, hydroxyethyl cellulose ether: 0.3 to 0.5, inorganic resin: 20-30, defoamer: 0.1-0.2, dispersant: 0.4-0.6, kaolin: 4-5, heavy calcium: 10-12, titanium dioxide: 12-13.5, talcum powder: 4-5, nano titanium dioxide: 3-5, bactericide: 2-3, mildew-proof algaecide: 0.4, coupling agent: 2-3, bio-based emulsion: 8-12, antifreeze: 0.5-0.7, hydrophobing agent: 2-3 parts of stabilizer and 1-2 parts of stabilizer. The invention provides a bio-based inorganic building coating which has excellent adhesive force, scrubbing resistance, fire-proof grade A non-combustible property and excellent self-cleaning property.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a bio-based inorganic building coating, and simultaneously, the invention also relates to a preparation method of the coating.
Background
With the rapid development of industrialization, the global environment is seriously damaged, and serious pollution threatens living space of people. "green" and "environmental protection" are requirements that people put forward to the paint industry after highly paying attention to environmental protection at present, and are the future development directions of the paint industry. Compared with organic coatings, the inorganic coatings are directly taken from minerals rich in nature, the production and use processes of the base materials completely meet the requirements of energy conservation and emission reduction, and the organic coatings with the same cost have technical indexes which are difficult to achieve. In recent years, the development of inorganic coatings is promoted in the domestic architectural engineering market due to the national mandatory requirements on fireproof and non-combustible coatings for underground closed spaces, and various domestic architectural coating manufacturers are all carrying out research and development work on the inorganic architectural coatings and continuously launching respective new products, so that the inorganic silicate coatings find an inexhaustible development opportunity in China.
Two inorganic coatings grow up rapidly in recent years, become concerned projects for building coating manufacturers, and bring respective building inorganic coating products to the market. The inorganic paint is prepared by using modified silica sol as a main film forming substance and adding pigment, filler and various auxiliaries. The flame-retardant and flame-retardant composite material has the advantages of extremely low VOC, environmental protection, no odor, no harmful release, flame retardance, high temperature resistance and the like. The raw materials of the silica sol and the potassium silicate are derived from quartz ores and are extremely rich in nature; the bio-based resin raw material is derived from plants and contains more than 95 percent of regeneration raw material; the coating is free of fossil raw material addition, and meanwhile, the production process of the coating is more green, so that the pursuit of people for environmental protection and sustainable development is met. The bio-based inorganic coating purifies indoor air, has no volatilization of harmful substances and no pollution to the environment, meets the requirements of 'green' and 'environmental protection' of people on living environment, and is an environment-friendly coating product.
Disclosure of Invention
The invention provides a bio-based inorganic building coating which has excellent adhesive force, scrubbing resistance, fire-proof grade A non-combustible property and excellent self-cleaning property.
A bio-based inorganic building coating is composed of the following raw materials in parts by weight: deionized water: 30-40, hydroxyethyl cellulose ether: 0.3 to 0.5, inorganic resin: 20-30, defoamer: 0.1-0.2, dispersant: 0.4-0.6, kaolin: 4-5, heavy calcium: 10-12, titanium dioxide: 12-13.5, talcum powder: 4-5, nano titanium dioxide: 3-5, bactericide: 2-3, mildew-proof algaecide: 0.4,: coupling agent: 2-3, bio-based emulsion: 8-12, antifreeze: 0.5-0.7, hydrophobing agent: 2-3 parts of stabilizer and 1-2 parts of stabilizer.
Further, the inorganic resin is lithium silicate and silica sol.
Further, the lithium silicate has a modulus of 4.5 and a solid content of 22%.
Further, the nano titanium dioxide is anatase nano titanium dioxide.
Further, the bio-based emulsion is SECOIA 1400 anionic bio-based aqueous alkyd resin emulsion of Ecoat, France.
Further, the hydrophobic agent is polyether modified siloxane.
Further, the coupling agent is 3,3, 3-trifluoropropyltrimethoxysilane, the stabilizer is methyl silicon potassium alcoholate, and the dispersant is quaternary ammonium salt dispersant.
Further, the mildew-proof and algae-proof agent is 2-methyl-4-isothiazoline-3-ketone.
Further, the bactericide is nano zinc oxide.
The preparation method of the bio-based inorganic building coating comprises the following steps: adding deionized water, a defoaming agent, a dispersing agent and a stabilizing agent into a stirring tank in sequence according to a raw material formula, stirring, adding hydroxyethyl cellulose ether, stirring at a high speed of 1200r/min for 15min, adding kaolin, heavy calcium, titanium dioxide, talcum powder, nano titanium dioxide and a hydrophobic agent, stirring at a high speed of 1800r/min for 30min, reducing the stirring speed to 800r/min, adding a bio-based emulsion, a bactericide, a mildew-proof and algae-proof agent, a coupling agent and an anti-freezing agent, stirring for 20min, adding an inorganic resin, and stirring uniformly to obtain the bio-based inorganic building coating.
The bio-based inorganic building coating has the following beneficial effects:
the invention provides a bio-based inorganic building coating, which selects inorganic lithium silicate resin with a modulus of 4.5 and a solid content of 22 percent, has excellent water resistance of a high-modulus lithium silicate coating film, is matched with silica sol, and improves SiO in the inorganic coating2The content of the inorganic resin is increased, the modulus of the inorganic resin is increased, the water resistance and the adhesive force of the inorganic coating are further increased, and the inorganic coating is compatible with the bio-based emulsion, so that the flexibility of the inorganic coating can be improved, and the inorganic resin can be associated with the bio-based emulsion through hydrogen bonds, the storage stability of the coating is improved, and an organic-inorganic hybrid coating is formed.
The stabilizer is prepared from potassium methyl siliconate, wherein the potassium methyl siliconate can reversibly ionize hydroxide ions in water to adjust the pH value of the system, silica sol and lithium silicate are added into the bio-based emulsion, the pH values of several film forming substances are different, the potassium methyl siliconate can be used as the stabilizer to prevent demulsification caused by rapid change of the pH value and improve the storage stability of the system, and the potassium methyl siliconate can be crosslinked and solidified with the silica sol and the lithium silicate in the process of drying and film forming of the coating to improve the water resistance of the system. The quaternary ammonium salt dispersant can increase the repulsion between electric layers, and can improve the storage stability among silica sol, lithium silicate and bio-based emulsion by being compounded with potassium methyl siliconate.
The invention selects anatase type nano titanium dioxide and anatase type TiO2TiO of rutile type2Has stronger light effect, TiO2Under the irradiation of ultraviolet rays, conduction band electrons and valence band holes are generated on the surface of the substrate and respectively react with O in the air2And H2O reaction to form free radical O2－And OH. The free radical has high reaction energy and can destroy various chemical bonds in organic matters, so that various organic matters can be decomposed into CO2And H2O and the like. The invention selects 3,3, 3-trifluoropropyltrimethoxysilaneThe coupling agent is similar to the coupling agent to improve the stability of the system, the storage stability of the system is improved through the hydrolysis of the coupling agent, the coupling agent can be solidified with gel between inorganic resin to form a Si-O-Si space network structure, the coupling agent with a trifluoro structure can reduce the surface tension, the hydrophobic self-cleaning performance of the coating is improved through the cooperation with the hydrophobic agent, and the functions of photocatalytic decomposition of organic matters and hydrophobic self-cleaning are achieved through the cooperation with anatase type nano titanium dioxide.
The invention combines the organic mildew-proof algicide and the inorganic nano zinc oxide bactericide, and improves the sterilization and corrosion resistance of the bio-based coating.
Detailed Description
Based on the design idea of the present invention, the following will further describe in detail a bio-based inorganic architectural coating of the present invention with reference to specific examples:
examples 1 to 3
The bio-based emulsion is SECOIA 1400 anionic bio-based waterborne alkyd resin emulsion of Ecoat, France.
The hydrophobic agent is polyether modified siloxane, preferably Digao Glide 410. The coupling agent is 3,3, 3-trifluoropropyltrimethoxysilane, the stabilizer is methyl silicon potassium alcoholate, and the dispersant is quaternary ammonium salt dispersant. The mildew-proof algaecide is 2-methyl-4-isothiazoline-3-ketone. The bactericide is nano zinc oxide.
The coatings of examples 1-3 were prepared using the following method: adding deionized water, a defoaming agent, a dispersing agent and a stabilizing agent into a stirring tank in sequence according to a raw material formula, stirring, adding hydroxyethyl cellulose ether, stirring at a high speed of 1200r/min for 15min, adding kaolin, heavy calcium carbonate, titanium dioxide, talcum powder, anatase type nano titanium dioxide and a hydrophobic agent, stirring at a high speed of 1800r/min for 30min, reducing the stirring speed to 800r/min, adding a bio-based emulsion, a bactericide, a mildew-proof and algae-proof agent, a coupling agent and an anti-freezing agent, stirring for 20min, adding lithium silicate and silica sol, and stirring uniformly to obtain the bio-based inorganic building coating.
The bio-based inorganic building coating prepared in examples 1-3 was subjected to performance tests, and the test results are shown in the following table:
Claims (10)
1. the bio-based inorganic building coating is characterized by comprising the following raw materials in parts by weight:
deionized water: 30-40, hydroxyethyl cellulose ether: 0.3 to 0.5, inorganic resin: 20-30, defoamer: 0.1-0.2, dispersant: 0.4-0.6, kaolin: 4-5, heavy calcium: 10-12, titanium dioxide: 12-13.5, talcum powder: 4-5, nano titanium dioxide: 3-5, bactericide: 2-3, mildew-proof algaecide: 0.4,: coupling agent: 2-3, bio-based emulsion: 8-12, antifreeze: 0.5-0.7, hydrophobing agent: 2-3 parts of stabilizer and 1-2 parts of stabilizer.
2. The bio-based inorganic architectural coating of claim 1, wherein said inorganic resin is selected from the group consisting of lithium silicate and silica sol.
3. The bio-based inorganic architectural coating of claim 2, wherein said lithium silicate has a modulus of 4.5 and a solids content of 22%.
4. The bio-based inorganic architectural coating according to claim 1, wherein said nano titanium dioxide is anatase nano titanium dioxide.
5. The bio-based inorganic architectural coating of claim 1 wherein said bio-based emulsion is the SECOIA 1400 anionic bio-based waterborne alkyd emulsion of Ecoat, France.
6. The bio-based inorganic architectural coating of claim 1, wherein said hydrophobic agent is a polyether modified siloxane.
7. The bio-based inorganic architectural coating of claim 1, wherein the coupling agent is 3,3, 3-trifluoropropyltrimethoxysilane, the stabilizer is potassium methylsiliconate, and the dispersant is a quaternary ammonium salt dispersant.
8. The bio-based inorganic architectural coating of claim 1, wherein said anti-mildew and anti-algae agent is 2-methyl-4-isothiazolin-3-one.
9. The bio-based inorganic architectural coating according to claim 1, wherein said biocide is nano zinc oxide.
10. A method for preparing the bio-based inorganic building coating as claimed in any one of claims 1 to 9, wherein deionized water, defoamer, dispersant and stabilizer are added into a stirring tank according to the raw material formula in sequence, hydroxyethyl cellulose ether is added with stirring, the mixture is stirred at a high speed of 1200r/min for 15min, kaolin, heavy calcium, titanium dioxide, talcum powder, nano titanium dioxide and hydrophobic agent are added, the mixture is stirred at a high speed of 1800r/min for 30min, the stirring speed is reduced to 800r/min, the bio-based emulsion is added, bactericide, mildew-proof and algae-proof agent, coupling agent and anti-freezing agent are added, the mixture is stirred for 20min, and inorganic resin is added and stirred uniformly, thus obtaining the bio-based inorganic building coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010877200.0A CN111875999A (en) | 2020-08-27 | 2020-08-27 | Bio-based inorganic building coating and preparation method thereof |
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| CN202010877200.0A CN111875999A (en) | 2020-08-27 | 2020-08-27 | Bio-based inorganic building coating and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300703A (en) * | 2020-11-16 | 2021-02-02 | 北京红狮科技发展有限公司 | Water-based bio-based climbing frame coating and preparation method thereof |
| CN112300649A (en) * | 2020-11-16 | 2021-02-02 | 北京红狮科技发展有限公司 | Water-based bio-based amino casting protective coating and preparation method thereof |
| CN112442312A (en) * | 2020-11-16 | 2021-03-05 | 北京红狮科技发展有限公司 | Water-based biological multifunctional coating and preparation method thereof |
| CN113861731A (en) * | 2021-09-29 | 2021-12-31 | 上海宜瓷龙新材料股份有限公司 | Building coating finish paint with fireproof self-cleaning function and preparation method thereof |
| CN114316760A (en) * | 2021-12-31 | 2022-04-12 | 三棵树(上海)新材料研究有限公司 | Shell powder coating with high bio-based content and preparation method thereof |
| CN115260810A (en) * | 2022-07-28 | 2022-11-01 | 广州集泰化工股份有限公司 | Environment-friendly flame-retardant anti-pollution coating and preparation method and application thereof |
| CN117228985A (en) * | 2023-09-27 | 2023-12-15 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300703A (en) * | 2020-11-16 | 2021-02-02 | 北京红狮科技发展有限公司 | Water-based bio-based climbing frame coating and preparation method thereof |
| CN112300649A (en) * | 2020-11-16 | 2021-02-02 | 北京红狮科技发展有限公司 | Water-based bio-based amino casting protective coating and preparation method thereof |
| CN112442312A (en) * | 2020-11-16 | 2021-03-05 | 北京红狮科技发展有限公司 | Water-based biological multifunctional coating and preparation method thereof |
| CN113861731A (en) * | 2021-09-29 | 2021-12-31 | 上海宜瓷龙新材料股份有限公司 | Building coating finish paint with fireproof self-cleaning function and preparation method thereof |
| CN114316760A (en) * | 2021-12-31 | 2022-04-12 | 三棵树(上海)新材料研究有限公司 | Shell powder coating with high bio-based content and preparation method thereof |
| CN115260810A (en) * | 2022-07-28 | 2022-11-01 | 广州集泰化工股份有限公司 | Environment-friendly flame-retardant anti-pollution coating and preparation method and application thereof |
| CN117228985A (en) * | 2023-09-27 | 2023-12-15 | 福建超瓷新型材料有限公司 | Quartz stone composition, preparation method and application thereof |
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Application publication date: 20201103 |