CN113999605A - Antibacterial air-purifying graphene water-based paint and preparation method thereof - Google Patents
Antibacterial air-purifying graphene water-based paint and preparation method thereof Download PDFInfo
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- CN113999605A CN113999605A CN202111555821.8A CN202111555821A CN113999605A CN 113999605 A CN113999605 A CN 113999605A CN 202111555821 A CN202111555821 A CN 202111555821A CN 113999605 A CN113999605 A CN 113999605A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—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
- 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
- C09D7/20—Diluents or solvents
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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
- 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
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
- Catalysts (AREA)
Abstract
The invention discloses an antibacterial air-purifying graphene water-based paint which comprises the following components in percentage by weight: 60-70% of waterborne polyurethane, 0.1-0.5% of graphene, 0.5-3% of photocatalyst, 5-15% of deionized water, 3.0-10% of zinc oxide, 1.0-10% of film-forming assistant, 0.5-1.0% of flatting agent, 0.3-0.6% of wetting agent and 0.1-0.5% of thickening agent. The antibacterial air-purifying graphene water-based paint prepared by using the nano-graphene composite photocatalyst aqueous solution as a solvent has the characteristics of excellent environmental protection property, impact resistance, wear resistance, acid and alkali resistance, scratch resistance and the like, and also has the functions of resisting bacteria and viruses, purifying air by using indoor TVOC (total volatile organic compound) odor and the like.
Description
Technical Field
The invention belongs to the technical field of healthy and environment-friendly building materials, and particularly relates to an antibacterial air-purifying graphene water-based paint and a preparation method thereof.
Background
The water paint is harmless to human body, does not pollute environment, has plump paint film, glittering and translucent, good flexibility, water resistance, wear resistance, aging resistance, yellowing resistance, fast drying, convenient use and the like, and has the greatest characteristics of taking water as a solvent, saving a large amount of resources, eliminating the fire hazard during construction, reducing indoor and atmospheric pollution, protecting the environment and the like. The existing water paint is improved in self material environmental protection, but has the defects of self antibiosis, antivirus, self cleaning and improvement of indoor air, so that the water paint in the prior art has no functional effect on self antibiosis, antivirus and air purification on the basis of the environment-friendly material.
Disclosure of Invention
In order to achieve the purposes of resisting bacteria and viruses and purifying air, the invention utilizes functional graphene photocatalyst aqueous solution as a solvent to prepare the graphene water-based paint for resisting bacteria and purifying air.
The invention provides an antibacterial air-purifying graphene water-based paint which comprises the following components in percentage by weight: 60-70% of waterborne polyurethane, 0.1-0.5% of graphene, 0.5-3% of photocatalyst, 5-15% of deionized water, 3.0-10% of zinc oxide, 1.0-10% of film-forming assistant, 0.5-1.0% of flatting agent, 0.3-0.6% of wetting agent and 0.1-0.5% of thickening agent.
Furthermore, the number of layers of the graphene prepared by a plasma high-temperature pyrolysis method is 5-10, and the specific surface area is 1200m2Graphene powder per gram.
Furthermore, the photocatalyst is visible light effect anatase titanium dioxide, and the granularity is 5-10 nanometer powder.
Further, the wetting agent is fatty acid polyoxyethylene ester nonionic surfactant.
The invention also discloses a preparation method of the antibacterial air-purifying graphene water-based paint, which comprises the following steps:
s1, preparing a photocatalyst solution A for purifying air by using a reaction kettle stirrer;
s2, preparing a graphene composite zinc oxide photocatalyst solution B by using a nano sand mill;
s3, preparing the antibacterial air-purifying graphene water-based paint by using a reaction kettle stirrer;
and S4, filling the finished product barrel by a filling machine.
Further, the preparation method of S1 comprises the following specific steps:
s11, adding deionized water into the reaction kettle stirrer and heating to about 50 ℃;
s12, adding photocatalyst powder after the step S11, stirring for 1-3 hours, and cooling to about 20 ℃ to prepare the photocatalyst solution A.
Further, the specific step of S2 is to add the photocatalyst solution a, graphene, and zinc oxide into a nano sand mill, and then grind, disperse, mix for 1-3 hours to prepare the graphene/zinc oxide composite photocatalyst solution B.
And S3, adding the graphene composite zinc oxide photocatalyst solution B prepared in the step S2 into a reaction kettle stirrer, adding waterborne polyurethane, a film forming aid, a leveling agent and a thickening agent, controlling the temperature of the reaction kettle to be 50-70 ℃, mixing and stirring for 1-3 hours, and cooling to room temperature to prepare the antibacterial air-purifying graphene water-based paint.
Compared with the prior art, the invention has the advantages and the technical effects that: 1. the environment-friendly indoor TVOC odor-free paint has the characteristics of excellent environmental protection characteristic, impact resistance, wear resistance, acid and alkali resistance, scratch resistance and the like, also has the characteristics of antibiosis and antivirus, harmless treatment of indoor TVOC odor and the like, and is applied to surface paint of new furniture, healthy renovation of old furniture and the like.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
Comparative example 1
The common water paint consists of the following materials: 70 percent of waterborne polyurethane resin, 10 percent of deionized water, 8.0 percent of titanium dioxide, 0.3 percent of film-forming additive, 0.5 to 1.0 percent of flatting agent, 0.5 percent of wetting agent, 0.3 percent of thickening agent and the like.
The waterborne polyurethane in the common waterborne paint is aliphatic waterborne polyurethane liquid; the titanium dioxide is powder with the granularity of 10-20 nanometers; the film-forming assistant comprises any one or the combination of more than two of dipropylene glycol methyl ether and dodecyl alcohol ester; the leveling agent is one of end group modified organic silicon or alkyl modified organic siloxane; the wetting agent is fatty acid polyoxyethylene ester; the thickener is an acrylic thickener.
Example 1
Different from the comparative example 1, the water-based paint in the embodiment is antibacterial air-purifying graphene water-based paint, and the water-based paint comprises the following materials: 70% of aqueous polyurethane resin, 0.1% of graphene, 0.5% of photocatalyst, 10% of deionized water, 5.0% of zinc oxide, 0.3% of film-forming assistant, 1.0% of flatting agent, 0.5% of wetting agent, 0.3% of thickening agent and the like. Graphene is the thinnest and hardest nano material in the world, and has unusual electrical conductivity, electrothermal performance, wave temperature sensing and light sensing performance at normal temperature. The graphene modified functional composite material is combined with an organic material to improve the functionality of the organic material to different degrees, such as: the graphene powder is prepared by a plasma high-temperature pyrolysis method, the number of layers is 5-10, and the specific surface area is 1200m 2/g. The photocatalyst is a general name of a photo-semiconductor material with a photocatalytic function represented by nano-scale titanium dioxide, and the photocatalyst material has a strong catalytic degradation function under the excitation action of ultraviolet light and visible light waves, can effectively degrade toxic and harmful gases in air, can effectively kill various bacteria, can decompose bacteria and fungi into CO2 and H2O for harmless treatment, and has the functions of removing formaldehyde, removing peculiar smell and purifying air, and the like, the photocatalyst liquid can be blended into neutral or alkaline liquid and can be used as a functional solvent for sterilizing and purifying air, and the photocatalyst in the composition of the materials is visible light effect anatase titanium dioxide, and the granularity is 5-10 nanometer powder. The zinc oxide is powder with the granularity of 10-20 nanometers.
The wetting agent in the material components is fatty acid polyoxyethylene ester: the fatty acid polyoxyethylene ester is a nonionic surfactant, is soluble in water, ethanol and higher fatty alcohol, has good surface activities of emulsification, solubilization, wetting, dispersion, antistatic property and the like, is non-toxic and non-irritant, is widely applied to industries such as cosmetics, medicines, foods, pesticides, papermaking, textile processing and the like, and has a high-efficiency bactericidal effect.
The preparation method of the antibacterial air-purifying graphene water-based paint comprises the following steps:
s1, preparing a photocatalyst solution A for purifying air by a reaction kettle stirrer, which comprises the following steps:
s11, adding deionized water into the reaction kettle stirrer and heating to about 50 ℃;
s12, adding photocatalyst powder after the step S11, stirring for 1-3 hours, cooling to about 20 ℃ to prepare the air-purifying photocatalyst solution A.
S2, preparing a graphene composite zinc oxide photocatalyst solution B by a nanometer sand mill, adding the purified air photocatalyst solution A, graphene, zinc oxide and the like into the nanometer sand mill, and grinding, dispersing and mixing for 1-3 hours to prepare the graphene composite zinc oxide photocatalyst solution B.
S3, preparing the antibacterial air-purifying graphene water-based paint by using a reaction kettle stirrer, adding the graphene composite zinc oxide photocatalyst solution B obtained in the step S2 into the reaction kettle stirrer, adding waterborne polyurethane, a film-forming aid 1, a leveling agent, a thickening agent and the like, mixing and stirring for 1-3 hours at the temperature of the reaction kettle controlled to be 50-70 ℃, and cooling to a room temperature state to prepare the antibacterial air-purifying graphene water-based paint.
And S4, filling the finished product barrel by using a filling machine, and filling the antibacterial air-purifying graphene water-based paint obtained in the step S3 into the finished product barrel by using the filling machine.
Example 2
Different from the embodiment 1, the material composition and the specific content thereof in the embodiment are as follows: 70% of aqueous polyurethane resin, 0.3% of graphene, 1% of photocatalyst, 10% of deionized water, 5.0% of zinc oxide, 0.3% of film-forming assistant, 1.0% of flatting agent, 0.5% of wetting agent, 0.3% of thickening agent and the like.
Example 3
Different from the embodiment 1, the material composition and the specific content thereof in the embodiment are as follows: 70% of aqueous polyurethane resin, 0.5% of graphene, 3% of photocatalyst, 10% of deionized water, 5.0% of zinc oxide, 0.3% of film-forming assistant, 1.0% of flatting agent, 0.5% of wetting agent, 0.3% of thickening agent and the like.
Functional changes in the case of parts by weight of the materials of each group in comparative example 1 and examples 1 to 3: as shown in the following table 1,
from table 1, data analysis shows that the surface hardness of the water paint without graphene and photocatalyst in the preparation method of the common water paint in the comparative example 1 is the lowest, and the water paint has no antibacterial and air purifying function effect, and from result test data analysis in the preparation methods of the examples 1, 2 and 3, the water paint with graphene and photocatalyst is very obvious in antibacterial and air purifying effect, and the formula of the functional material in the example 4 is more suitable, and the effects of hardness, antibacterial and air purifying are the best.
The above description is only an example of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention by using the method disclosed above, and the present invention is covered by the claims.
Claims (8)
1. The antibacterial air-purifying graphene water-based paint is characterized by comprising the following components in percentage by weight: 60-70% of waterborne polyurethane, 0.1-0.5% of graphene, 0.5-3% of photocatalyst, 5-15% of deionized water, 3.0-10% of zinc oxide, 1.0-10% of film-forming assistant, 0.5-1.0% of flatting agent, 0.3-0.6% of wetting agent and 0.1-0.5% of thickening agent.
2. The antibacterial air-purifying graphene water-based paint as claimed in claim 1, wherein the number of layers of graphene prepared by a plasma high-temperature pyrolysis method is 5-10, and the specific surface area is 1200m2Graphene powder per gram.
3. The graphene water-based paint as claimed in claim 1, wherein the photocatalyst is anatase titanium dioxide with visible light effect, and the particle size of the graphene water-based paint is 5-10 nanometer powder.
4. The antibacterial air-purifying graphene water-based paint as claimed in claim 1, wherein the wetting agent is fatty acid polyoxyethylene ester.
5. The preparation method of the antibacterial air-purifying graphene water-based paint is characterized by comprising the following steps:
s1, preparing a photocatalyst solution A for purifying air by using a reaction kettle stirrer;
s2, preparing a graphene composite zinc oxide photocatalyst solution B by using a nano sand mill;
s3, preparing the antibacterial air-purifying graphene water-based paint by using a reaction kettle stirrer;
and S4, filling the finished product barrel by a filling machine.
6. The preparation method of the antibacterial air-purifying graphene water-based paint as claimed in claim 5, wherein the preparation method of S1 comprises the following specific steps:
s11, adding deionized water into the reaction kettle stirrer and heating to about 50 ℃;
s12, adding photocatalyst powder after the step S11, stirring for 1-3 hours, and cooling to about 20 ℃ to prepare the photocatalyst solution A.
7. The preparation method of the graphene water-based paint for antibiosis and air purification as claimed in claim 5, wherein the specific step of S2 is to add the photocatalyst solution A, graphene and zinc oxide into a nanometer sand mill, and to conduct grinding, dispersing and mixing for 1-3 hours to prepare the graphene composite zinc oxide photocatalyst solution B.
8. The preparation method of the antibacterial air-purifying graphene water-based paint as claimed in claim 5, wherein S3 is that the graphene composite zinc oxide photocatalyst solution B prepared in the step S2 is added into a reaction kettle stirrer, then the waterborne polyurethane, the film forming assistant, the leveling agent and the thickening agent are added, the temperature of the reaction kettle is controlled to be 50-70 ℃, the mixture is stirred for 1-3 hours and then cooled to room temperature, and the antibacterial air-purifying graphene water-based paint is prepared.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111555821.8A CN113999605A (en) | 2021-12-17 | 2021-12-17 | Antibacterial air-purifying graphene water-based paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111555821.8A CN113999605A (en) | 2021-12-17 | 2021-12-17 | Antibacterial air-purifying graphene water-based paint and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707407A (en) * | 2018-06-20 | 2018-10-26 | 重庆交通大学 | A kind of graphene modified water-soluble composite material and preparation method |
| CN108948806A (en) * | 2018-06-07 | 2018-12-07 | 唐山英太石墨烯科技股份有限公司 | Aqueous antibacterial environmental protection coating material of containing graphene and preparation method thereof |
| CN109385159A (en) * | 2018-10-16 | 2019-02-26 | 上海申得欧有限公司 | A kind of photocatalysis exterior wall latex paint and preparation method thereof |
| CN110117456A (en) * | 2019-05-23 | 2019-08-13 | 任国峰 | A kind of graphene zinc oxide sterilization paint |
| CN112136829A (en) * | 2020-07-09 | 2020-12-29 | 上海聚治新材料科技有限公司 | Preparation of porous graphene-loaded weak photocatalyst-nano silver composite antiviral powder |
-
2021
- 2021-12-17 CN CN202111555821.8A patent/CN113999605A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948806A (en) * | 2018-06-07 | 2018-12-07 | 唐山英太石墨烯科技股份有限公司 | Aqueous antibacterial environmental protection coating material of containing graphene and preparation method thereof |
| CN108707407A (en) * | 2018-06-20 | 2018-10-26 | 重庆交通大学 | A kind of graphene modified water-soluble composite material and preparation method |
| CN109385159A (en) * | 2018-10-16 | 2019-02-26 | 上海申得欧有限公司 | A kind of photocatalysis exterior wall latex paint and preparation method thereof |
| CN110117456A (en) * | 2019-05-23 | 2019-08-13 | 任国峰 | A kind of graphene zinc oxide sterilization paint |
| CN112136829A (en) * | 2020-07-09 | 2020-12-29 | 上海聚治新材料科技有限公司 | Preparation of porous graphene-loaded weak photocatalyst-nano silver composite antiviral powder |
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