CN114891379A - Plant antibacterial and antiviral functional coating and preparation method thereof - Google Patents
Plant antibacterial and antiviral functional coating and preparation method thereof Download PDFInfo
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- CN114891379A CN114891379A CN202210682180.0A CN202210682180A CN114891379A CN 114891379 A CN114891379 A CN 114891379A CN 202210682180 A CN202210682180 A CN 202210682180A CN 114891379 A CN114891379 A CN 114891379A
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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
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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
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention relates to a plant antibacterial antiviral functional coating and a preparation method thereof, wherein the coating comprises 0-60 parts of one or more of plant extract, diatomite, carbon nitride catalyst, nano titanium dioxide photocatalyst, anatase titanium dioxide, talcum powder, light calcium carbonate, calcium hydroxide powder, heavy calcium powder, wollastonite powder, magnesium silicate aluminum powder, sodium bentonite, potassium silicate, lithium silicate and silica sol, 0-2 parts of sodium hexametaphosphate, 12-alcohol ester and emulsifier. According to the invention, the plant extract is loaded in the diatomite and the nano titanium dioxide, the emulsifier increases the dispersibility of the plant extract and the inorganic component, and the plant extract and the inorganic component exchange and migrate with water in the air through the coating in the microporous structures of the diatomite and the nano titanium dioxide to complete antibacterial and antiviral work. The nano titanium dioxide is also an antibacterial agent, and all components act together, so that the antibacterial and antiviral effects are improved, and the comprehensive performance of the coating is improved.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a botanical antibacterial and antiviral functional coating and a preparation method thereof.
Background
With the development of society, people have higher and higher requirements on the sanitary conditions of living environments. Harmful germs, especially viruses, seriously harm the health of people. The paint is a decorative material occupying the largest indoor surface area, but the common paint has no antibacterial and antiviral properties, and the organic paint also has certain harmful substances. Therefore, the development of an antibacterial and antiviral coating is imperative to overcome the harm of virus and germs to human health.
Disclosure of Invention
The invention develops the botanical antibacterial and antiviral functional coating by utilizing the specific antibacterial and antiviral functions of the plant extract essence and the characteristic that inorganic materials do not contain harmful substances.
A plant antibacterial and antiviral functional coating comprises the following components in parts by weight: 0.1-0.5 part of black pine needle extract, 0.5-1 part of cypress leaf extract, 1-2 parts of fig leaf extract, 0.05-0.1 part of mugwort extract, 1-2 parts of ginger whole plant extract, 1-2 parts of dandelion extract, 40-60 parts of diatomite, 2-10 parts of carbon nitride catalyst, 1-5 parts of nano titanium dioxide photocatalyst, 10-20 parts of anatase titanium dioxide, 2-5 parts of 800-mesh talcum powder, 20-50 parts of 1250-mesh light calcium carbonate, 15-30 parts of 400-mesh calcium hydroxide powder, 30-50 parts of 3000-mesh heavy calcium powder, 5-10 parts of 400-mesh wollastonite powder, 0.5-2 parts of 320-mesh magnesium silicate aluminum powder, 1-5 parts of 400-mesh sodium bentonite, 30-60 parts of one or more of potassium silicate, lithium silicate and silica sol, and 0.2-1 part of sodium hexametaphosphate, 1-2 parts of 12-alcohol ester and 0.1-1 part of emulsifier.
Preferably, the effective components of the plant for resisting bacteria and viruses are extracted, and the effective components of the plant are utilized to inhibit and kill harmful bacteria and viruses.
Preferably, plants have evolved, over the years of evolution, to kill harmful microorganisms, and to retain the beneficial microbial properties for survival. The characteristic substances are extracted and scientifically utilized, so that the selective intelligent antibacterial and antiviral effects are achieved.
Preferably, the extract of the black pine needle, the extract of the cypress leaf, the extract of the fig leaf, the extract of the mugwort, the extract of the whole ginger and the extract of the dandelion are essential oils.
Preferably, the extract of the black pine needle has good bacteriostatic effect, and the antibacterial components of the extract are piperitone, polydatin, methyl piperonyl alcohol, taxifolin, pseudolaric acid and the like.
Preferably, the cypress leaf extract contains an alcoholic extract, and has an antibacterial and antiviral effect.
Preferably, the fig leaf extract has relatively obvious antibacterial and antiviral activity and antioxidant capacity.
Preferably, the mugwort extract has broad-spectrum antibacterial property
Preferably, the ginger whole-plant extract has obvious inhibition effect on staphylococcus aureus, staphylococcus albus, typhoid bacillus, dysentery bacillus in Song dynasty and pseudomonas aeruginosa
Preferably, the dandelion extract has antibacterial and antiviral effects, and can inhibit Staphylococcus aureus, hemolytic streptococcus, Diplococcus pneumoniae, Pseudomonas aeruginosa, Bacillus proteus, Streptococcus catarrhalis, Mycobacterium tuberculosis, influenza virus, and various dermatophytes.
Preferably, the preparation method of the plant extract comprises the following steps: adding the plants into a wall-breaking pulverizer, controlling the temperature to be-30 to-40 ℃, breaking the wall and pulverizing to 10-30 microns, adding 2-5 times of water, leaching for 30-60 minutes under the action of ultrasonic waves, standing for 24-48 hours, taking out an upper oil phase to obtain a part of crude extract, filtering out a precipitate to obtain an oil-water mixed solution; centrifuging the oil-water mixture to obtain a crude extract; mixing the crude extracts obtained above, and distilling at 70-90 ℃ to obtain the extract.
Preferably, the ultrasonic frequency is 20-40 kHz.
Preferably, the plant extracts are used for acting on the water-based inorganic material to be combined to prepare the plant antibacterial and antiviral paint, and the antibacterial and antiviral activity rate of the plant antibacterial and antiviral paint is more than 99.9 percent through SGS and broad spectrum detection.
Preferably, the diatomite is a porous calcium powder capable of absorbing microorganisms in indoor air.
Preferably, the carbon nitride catalyst and the nano titanium dioxide photocatalyst are two inorganic materials, the nano titanium dioxide can be irradiated by sunlight, the carbon nitride can kill harmful microorganisms by light irradiation, and the carbon nitride can be combined with diatomite to eliminate formaldehyde.
Preferably, the magnesium aluminum silicate can play a role in preventing sinking and floating of the stone in the system and keep the system stable.
Preferably, the sodium bentonite can expand in the system to prevent precipitation and enable the coating system to be loose and lubricated, and the sodium bentonite is easy to apply and construct and is not easy to splash during spraying. The present invention has great consumption, and can make the system expand to produce porous state to facilitate air exchange and circulation.
Preferably, the lithium silicate, the potassium silicate and the silica sol are inorganic bonding materials, have non-sealing film formation and air permeability, and are favorable for decomposing formaldehyde after indoor gas is absorbed by diatomite in the coating.
Preferably, the anatase titanium dioxide belongs to pigment-grade titanium dioxide, and has the characteristics of strong covering power, high tinting strength, good weather resistance and the like.
Preferably, the talc improves the film forming properties of the coating and allows for improved properties of the coating.
Preferably, the light calcium carbonate improves the gloss, the brightness and the chemical resistance of the coating, improves the rheological property and can greatly reduce the cost; enhance the deposition and permeability of the primer to the surface of the substrate.
Preferably, the addition of the calcium hydroxide powder can enhance the deposition and permeability of the primer to the surface of the base layer; the paint can be thickened and thickened, plays a role in filling and leveling, and can realize the effect of extinction.
Preferably, the coarse whiting powder can ensure that the coating has the characteristics of no sedimentation, easy dispersion, good gloss and the like.
Preferably, the wollastonite powder has wear resistance, corrosion resistance and ultraviolet resistance; the performances of surface glossiness, water erosion resistance and pH value buffering are improved; covering, increasing effect and cracking prevention; aging resistance and prolonged service life of the coating film; the thermal stability is improved; the consumption of bonding substances is reduced.
Preferably, sodium hexametaphosphate is primarily dispersing.
Preferably, the 12-alcohol ester is a film forming aid to improve the film forming properties of the coating.
Preferably, the emulsifier is polysorbate-80, and the emulsifier is used for increasing the dispersibility of the polylactic acid and the traditional Chinese medicine antiviral particles.
The invention has the beneficial effects that:
the plant extract is loaded in the diatomite and the nano titanium dioxide, the emulsifier increases the dispersibility of the plant extract and the inorganic component, and the plant extract and the inorganic component exchange and migrate with water in the air through the coating in the microporous structures of the diatomite and the nano titanium dioxide to finish the work of antibiosis and antivirus. The nano titanium dioxide is also an antibacterial agent, and all components act together, so that the antibacterial and antiviral effects are improved, and the comprehensive performance of the coating is improved.
Drawings
FIG. 1 is an antiviral detection report of example 1 of the present invention.
FIG. 2 is an antimicrobial detection report of example 1 of the present invention.
Detailed Description
Example 1
A plant antibacterial and antiviral functional coating comprises the following components in parts by weight: 0.1 part of black pine needle extract, 1 part of cypress leaf extract, 2 parts of fig leaf extract, 0.1 part of artemisia argyi extract, 2 parts of ginger whole plant extract, 1 part of dandelion extract, 60 parts of diatomite, 2 parts of carbon nitride catalyst, 1 part of nano titanium dioxide photocatalyst, 20 parts of anatase titanium dioxide, 2 parts of 800-mesh talcum powder, 50 parts of 1250-mesh light calcium carbonate, 15 parts of 400-mesh calcium hydroxide powder, 50 parts of 3000-mesh heavy calcium powder, 5 parts of 400-mesh wollastonite powder, 0.5 part of 320-mesh magnesium silicate aluminum powder, 1 part of 400-mesh sodium bentonite, 30 parts of one or more of potassium silicate, lithium silicate and silica sol, 0.2 part of sodium hexametaphosphate, 1 part of 12-alcohol ester and 0.1 part of emulsifier.
Adding talcum powder, light calcium carbonate, calcium hydroxide powder, heavy calcium powder, magnesium silicate aluminum powder, diatomite, sodium bentonite, wollastonite powder, sodium hexametaphosphate, anatase titanium dioxide, potassium silicate, lithium silicate and silica sol into a stirring tank, starting a stirrer, stirring for 45 minutes at the rotation speed of 1200-1500 revolutions/minute, then reducing the rotation speed to 600 revolutions/minute, adding 12-alcohol ester and an emulsifier, stirring for 15 minutes, adjusting the pH value to 8-9, adjusting the viscosity to 90-100Ku, then adding various plant extracts, a carbon nitride catalyst and a nano titanium dioxide catalyst, stirring for 20 minutes at the rotation speed of 200 revolutions/minute, filtering and packaging for later use.
Example 2
A plant antibacterial and antiviral functional coating comprises the following components in parts by weight: 0.5 part of black pine needle extract, 0.5 part of cypress leaf extract, 1 part of fig leaf extract, 0.05 part of artemisia argyi extract, 2 parts of ginger whole plant extract, 1 part of dandelion extract, 40 parts of diatomite, 10 parts of carbon nitride catalyst, 5 parts of nano titanium dioxide photocatalyst, 20 parts of anatase titanium dioxide, 2 parts of 800-mesh talcum powder, 20 parts of 1250-mesh light calcium carbonate, 30 parts of 400-mesh calcium hydroxide powder, 30 parts of 3000-mesh heavy calcium powder, 10 parts of 400-mesh wollastonite powder, 2 parts of 320-mesh magnesium silicate aluminum powder, 5 parts of 400-mesh sodium bentonite, 60 parts of one or more of potassium silicate, lithium silicate and silica sol, 1 part of sodium hexametaphosphate, 2 parts of 12-alcohol ester and 1 part of emulsifier.
Adding talcum powder, light calcium carbonate, calcium hydroxide powder, heavy calcium powder, magnesium silicate aluminum powder, diatomite, sodium bentonite, wollastonite powder, sodium hexametaphosphate, anatase titanium dioxide, potassium silicate, lithium silicate and silica sol into a stirring tank, starting a stirrer, stirring for 45 minutes at the rotation speed of 1200-1500 revolutions/minute, then reducing the rotation speed to 600 revolutions/minute, adding 12-alcohol ester and an emulsifier, stirring for 15 minutes, adjusting the pH value to 8-9, adjusting the viscosity to 90-100Ku, then adding various plant extracts, a carbon nitride catalyst and a nano titanium dioxide catalyst, stirring for 20 minutes at the rotation speed of 200 revolutions/minute, filtering and packaging for later use.
Example 3
A plant antibacterial and antiviral functional coating comprises the following components in parts by weight: 0.1 part of black pine needle extract, 1 part of cypress leaf extract, 1 part of fig leaf extract, 0.05 part of artemisia argyi extract, 2 parts of ginger whole plant extract, 2 parts of dandelion extract, 50 parts of diatomite, 2 parts of carbon nitride catalyst, 5 parts of nano titanium dioxide photocatalyst, 10 parts of anatase titanium dioxide, 2 parts of 800-mesh talcum powder, 40 parts of 1250-mesh light calcium carbonate, 20 parts of 400-mesh calcium hydroxide powder, 40 parts of 3000-mesh heavy calcium powder, 5 parts of 400-mesh wollastonite powder, 0.5 part of 320-mesh magnesium silicate aluminum powder, 5 parts of 400-mesh sodium bentonite, 30 parts of one or more of potassium silicate, lithium silicate and silica sol, 0.2 part of sodium hexametaphosphate, 1 part of 12-alcohol ester and 0.1 part of emulsifier.
Adding talcum powder, light calcium carbonate, calcium hydroxide powder, heavy calcium powder, magnesium silicate aluminum powder, diatomite, sodium bentonite, wollastonite powder, sodium hexametaphosphate, anatase titanium dioxide, potassium silicate, lithium silicate and silica sol into a stirring tank, starting a stirrer, stirring for 45 minutes at the rotation speed of 1200-1500 revolutions/minute, then reducing the rotation speed to 600 revolutions/minute, adding 12-alcohol ester and an emulsifier, stirring for 15 minutes, adjusting the pH value to 8-9, adjusting the viscosity to 90-100Ku, then adding various plant extracts, a carbon nitride catalyst and a nano titanium dioxide catalyst, stirring for 20 minutes at the rotation speed of 200 revolutions/minute, filtering and packaging for later use.
The main product indexes of the examples 1 to 3 are shown in Table 1, and it can be seen from the table that the coating layers of the examples 1 to 3 are excellent in the properties such as adhesion, abrasion resistance and the like.
The antiviral test report of example 1 is shown in fig. 1, and the antibacterial test report is shown in fig. 2, and it can be seen that the coating of the present invention is excellent in antiviral properties.
TABLE 1 Main product indices for examples 1-3
Claims (10)
1. A plant antibacterial and antiviral functional coating is characterized in that: the weight portions are as follows: 0.1-0.5 part of black pine needle extract, 0.5-1 part of cypress leaf extract, 1-2 parts of fig leaf extract, 0.05-0.1 part of mugwort extract, 1-2 parts of ginger whole plant extract, 1-2 parts of dandelion extract, 40-60 parts of diatomite, 2-10 parts of carbon nitride catalyst, 1-5 parts of nano titanium dioxide photocatalyst, 10-20 parts of anatase titanium dioxide, 2-5 parts of talcum powder, 20-50 parts of light calcium carbonate, 15-30 parts of calcium hydroxide powder, 30-50 parts of heavy calcium powder, 5-10 parts of wollastonite powder, 0.5-2 parts of magnesium silicate aluminum powder, 1-5 parts of sodium bentonite, 30-60 parts of one or more of potassium silicate, lithium silicate and silica sol, 0.2-1 part of sodium hexametaphosphate, 12-1-2 parts of alcohol ester, 0.1-1 part of emulsifier.
2. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the extract of the black pine needle, the extract of the cypress leaf, the extract of the fig leaf, the extract of the mugwort, the extract of the whole ginger and the extract of the dandelion are essential oils.
3. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the talcum powder is 800 meshes.
4. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the light calcium carbonate is 1250 meshes.
5. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the calcium hydroxide powder is 400 meshes.
6. The vegetative antimicrobial and antiviral functional coating according to claim 1, wherein: the coarse whiting powder is 3000 meshes.
7. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the wollastonite powder is 400 meshes.
8. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the magnesium silicate aluminum powder is 320 meshes.
9. The botanical antibacterial and antiviral functional coating of claim 1, wherein: the sodium bentonite is 400 meshes.
10. A method of producing a coating according to any of claims 1 to 9, characterized in that: the method comprises the following steps: adding talcum powder, light calcium carbonate, calcium hydroxide powder, heavy calcium powder, magnesium silicate aluminum powder, diatomite, sodium bentonite, wollastonite powder, sodium hexametaphosphate, anatase titanium dioxide, potassium silicate, lithium silicate and silica sol into a stirring tank, starting a stirrer, stirring for 45 minutes at the rotation speed of 1200-1500 revolutions/minute, then reducing the rotation speed to 600 revolutions/minute, adding 12-alcohol ester and an emulsifier, stirring for 15 minutes, adjusting the pH value to 8-9, adjusting the viscosity to 90-100Ku, then adding various plant extracts, a carbon nitride catalyst and a nano titanium dioxide catalyst, stirring for 20 minutes at the rotation speed of 200 revolutions/minute, filtering and packaging for later use.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210682180.0A CN114891379A (en) | 2022-06-15 | 2022-06-15 | Plant antibacterial and antiviral functional coating and preparation method thereof |
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| CN202210682180.0A CN114891379A (en) | 2022-06-15 | 2022-06-15 | Plant antibacterial and antiviral functional coating and preparation method thereof |
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| CN202210682180.0A Pending CN114891379A (en) | 2022-06-15 | 2022-06-15 | Plant antibacterial and antiviral functional coating and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387816A (en) * | 2014-11-28 | 2015-03-04 | 佛山市南海万磊建筑涂料有限公司 | Multifunctional inorganic diatom ooze coating and preparation method thereof |
| CN109337462A (en) * | 2018-09-12 | 2019-02-15 | 河北晨阳工贸集团有限公司 | A kind of antibiotic paint and preparation method thereof |
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- 2022-06-15 CN CN202210682180.0A patent/CN114891379A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387816A (en) * | 2014-11-28 | 2015-03-04 | 佛山市南海万磊建筑涂料有限公司 | Multifunctional inorganic diatom ooze coating and preparation method thereof |
| CN109337462A (en) * | 2018-09-12 | 2019-02-15 | 河北晨阳工贸集团有限公司 | A kind of antibiotic paint and preparation method thereof |
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