CN113549376A - Photocatalyst-free nano negative oxygen ion coating for cleaning air and preparation method thereof - Google Patents
Photocatalyst-free nano negative oxygen ion coating for cleaning air and preparation method thereof Download PDFInfo
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- CN113549376A CN113549376A CN202010325494.6A CN202010325494A CN113549376A CN 113549376 A CN113549376 A CN 113549376A CN 202010325494 A CN202010325494 A CN 202010325494A CN 113549376 A CN113549376 A CN 113549376A
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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
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/06—Polystyrene
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
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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
- C09D169/00—Coating compositions based on polycarbonates; Coating compositions based on derivatives of polycarbonates
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a photocatalyst-free nano negative oxygen ion coating for cleaning air, which comprises the following raw materials in parts by weight: 12-30% of nano titanium dioxide, 30-50% of high polymer transparent material, 2-8% of ultraviolet absorbent, 5-12% of negative oxygen ion additive, 5-8% of nano silver, 0.8-1.2% of dispersant, 2-12% of thickener, 0.3-0.6% of anti-settling agent, 0.3-0.7% of defoamer and the balance of deionized water, wherein the sum of the weight percentages of the components is 100%, the defoamer is polyurethane defoamer, the thickener is one or a mixture of more than two of organic bentonite, diatomite, molecular sieve and silica gel, the dispersant is one or a mixture of more than two of triethylhexylphosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, cellulose derivative and polyacrylamide, and the negative oxygen ion coating of the photocatalyst-free nano clean air is a semitransparent material, the coating is sprayed or brushed on the wall surface, the brushing thickness can reach 2.0mm-5.0mm, and the titanium dioxide can still keep the photo-oxidation-reduction characteristic in a dark environment.
Description
Technical Field
The invention relates to a coating and a preparation method thereof, in particular to a photocatalyst-free nano negative oxygen ion coating for cleaning air and a preparation method thereof, belonging to the field of coatings.
Background
During the reaction of the photocatalyst, free hydroxyl and active oxygen with strong oxidizing power can be generated, the photocatalyst has strong photooxidation-reduction function, can oxidize and decompose various organic compounds, and has strong degradation capability on formaldehyde, benzene, ammonia, TVOC and the like. Besides, the organic pollutant sterilizing agent has a strong sterilizing function, can decompose organic pollutants into pollution-free water and carbon dioxide, and has strong functions of sterilizing, deodorizing, preventing mildew, preventing pollution, cleaning air and the like. The photocatalyst is evaluated as the most popular novel environment-friendly material for indoor pollution control in the world at the beginning of the market.
Can be sterilized for a long time under the action of ultraviolet rays in light. Experiments prove that the anatase type nano TiO2 with the concentration of 0.1mg/cm3 can thoroughly kill malignant Hela cells, and the efficiency of killing cancer cells by TiO2 through photocatalysis is improved along with the increase of the addition amount of superoxide dismutase (SOD). The killing rate of bacillus subtilis black variant spores, pseudomonas aeruginosa, escherichia coli, staphylococcus aureus, salmonella, dental mycobacteria and aspergillus can reach more than 98 percent; the TiO2 is used for photocatalytic oxidation deep treatment of tap water, so that the number of bacteria in the water can be greatly reduced; the nano TiO2 added into the paint can be used for preparing antibacterial and antifouling paint with the functions of sterilization, antifouling, deodorization and self-cleaning, and the antibacterial and antifouling paint is applied to places with dense bacteria and easy propagation, such as hospital wards, operating rooms, family toilets and the like, and can prevent infection, deodorize and remove odor. Can effectively kill harmful bacteria
At present, the coating with the anatase type nano TiO2 as the photocatalyst has limited redox effect, low content, low concentration, poor sustainability and great influence on the degradation capability.
Disclosure of Invention
The invention aims to provide a negative oxygen ion coating for photocatalyst-free nano clean air and a preparation method thereof, so as to solve the problem of poor capability of oxidizing and decomposing various organic compounds of the negative oxygen ion coating for photocatalyst-free nano clean air, which is proposed in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the negative oxygen ion coating without photocatalyst for nano air cleaning comprises the following raw materials in parts by weight: nano meter
The sum of the weight percentages of the components is 100 percent.
Preferably, the defoaming agent is a polyurethane defoaming agent, the thickening agent is one or a mixture of more than two of organic bentonite, diatomite, a molecular sieve and silica gel, and the dispersing agent is one or a mixture of more than two of triethylhexylphosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, a cellulose derivative and polyacrylamide.
Preferably, the high polymer transparent material is one of polystyrene, polymethyl methacrylate and polycarbonate.
Preferably, the ultraviolet absorber is phenyl salicylate.
Preferably, the preparation process is as follows:
(5.1) weighing the raw materials in parts by weight;
(5.2) sequentially adding a nano titanium dioxide raw material, a high polymer transparent material raw material, a nano silver raw material and an anion powder raw material into a grinder to obtain different material powders;
(5.3) putting the powder of each material into a stirrer, and stirring for 20-30 min;
(5.4) adding the ultraviolet absorbent, the dispersing agent, the thickening agent, the anti-settling agent, the defoaming agent and the deionized water into the stirrer, and continuing stirring for 25-45min to obtain the mixed coating.
Preferably, the particle sizes of the nano titanium dioxide, the high polymer transparent material and the nano silver are all 200 meshes.
Preferably, the fineness of the negative ion powder is less than or equal to 50 μm.
Preferably, the particle size of the nano silver is 12-85 μm.
Compared with the prior art, the invention has the beneficial effects that: the negative oxygen ion coating without photocatalyst for cleaning air is a semitransparent material, is sprayed or brushed on the surface of a wall, the brushing thickness can reach 2.0-5.0 mm, titanium dioxide can still keep the photooxidation-reduction characteristic in a dark environment, and the negative oxygen ion coating has the characteristics of large content, high concentration and strong sustainability, is harmless, insect-proof and antibacterial, can continuously release negative ions, can freshen air and is beneficial to human bodies.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the negative oxygen ion coating without photocatalyst for nano air cleaning comprises the following raw materials in parts by weight:
the sum of the weight percentages of the components is 100 percent.
Preferably, the defoaming agent is a polyurethane defoaming agent, the thickening agent is organic bentonite, diatomite, a molecular sieve and silica gel, and the dispersing agent is triethylhexyl phosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, a cellulose derivative and polyacrylamide.
Preferably, the high polymer transparent material is polystyrene.
Preferably, the ultraviolet absorber is phenyl salicylate.
Preferably, the preparation process is as follows:
(5.1) weighing the raw materials in parts by weight;
(5.2) sequentially adding a nano titanium dioxide raw material, a high polymer transparent material raw material, a nano silver raw material and an anion powder raw material into a grinder to obtain different material powders;
(5.3) putting the powder of each material into a stirrer, and stirring for 30 min;
and (5.4) adding an ultraviolet absorbent, a dispersing agent, a thickening agent, an anti-settling agent, a defoaming agent and deionized water into the stirrer, and continuously stirring for 45min to obtain the mixed coating.
Preferably, the particle sizes of the nano titanium dioxide, the high polymer transparent material and the nano silver are all 200 meshes.
Preferably, the fineness of the negative ion powder is equal to 50 μm.
Preferably, the nano silver has a particle size of 85 μm.
Example 2: the negative oxygen ion coating without photocatalyst for nano air cleaning comprises the following raw materials in parts by weight:
the sum of the weight percentages of the components is 100 percent.
The defoaming agent is a polyurethane defoaming agent, the thickening agent is organic bentonite, diatomite, a molecular sieve and silica gel, and the dispersing agent is triethylhexyl phosphoric acid, sodium dodecyl sulfate, methyl amyl alcohol, a cellulose derivative and polyacrylamide.
Wherein, the high polymer transparent material is polystyrene.
Wherein the ultraviolet absorbent is phenyl salicylate.
Preferably, the preparation process is as follows:
(5.1) weighing the raw materials in parts by weight;
(5.2) sequentially adding a nano titanium dioxide raw material, a high polymer transparent material raw material, a nano silver raw material and an anion powder raw material into a grinder to obtain different material powders;
(5.3) putting the powder of each material into a stirrer, and stirring for 30 min;
and (5.4) adding an ultraviolet absorbent, a dispersing agent, a thickening agent, an anti-settling agent, a defoaming agent and deionized water into the stirrer, and continuously stirring for 45min to obtain the mixed coating.
Wherein the particle sizes of the nano titanium dioxide, the high polymer transparent material and the nano silver are all 200 meshes.
Wherein the fineness of the negative ion powder is equal to 50 μm.
Wherein the particle size of the nano silver is 85 μm.
Specifically, the results of one week after the experiment of the negative oxygen ion coating without photocatalyst nano clean air obtained in the above examples are as follows:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The negative oxygen ion coating without photocatalyst for nano cleaning air is characterized by comprising the following components by weight
The sum of the weight percentages of the components is 100 percent.
2. The photocatalyst-free nano air cleaning negative oxygen ion coating of claim 1, wherein: the defoaming agent is a polyurethane defoaming agent, the thickening agent is one or a mixture of more than two of organic bentonite, diatomite, a molecular sieve and silica gel, and the dispersing agent is one or a mixture of more than two of triethylhexylphosphoric acid, sodium dodecyl sulfate, methylpentanol, a cellulose derivative and polyacrylamide.
3. The photocatalyst-free nano air-cleaning negative oxygen ion coating according to claim 1, wherein the transparent high polymer material is one of polystyrene, polymethyl methacrylate and polycarbonate.
4. The photocatalyst-free nano air-cleaning negative oxygen ion coating and the preparation method thereof as claimed in claim 1, wherein: the ultraviolet absorbent is phenyl salicylate.
5. The photocatalyst-free nano air cleaning negative oxygen ion coating according to claim 1, which is prepared by the following process:
(5.1) weighing the raw materials in parts by weight;
(5.2) sequentially adding a nano titanium dioxide raw material, a high polymer transparent material raw material, a nano silver raw material and an anion powder raw material into a grinder to obtain different material powders;
(5.3) putting the powder of each material into a stirrer, and stirring for 20-30 min;
(5.4) adding the ultraviolet absorbent, the dispersing agent, the thickening agent, the anti-settling agent, the defoaming agent and the deionized water into the stirrer, and continuing stirring for 25-45min to obtain the mixed coating.
6. The photocatalyst-free nano air cleaning negative oxygen ion coating of claim 1, wherein: the particle sizes of the nano titanium dioxide, the high polymer transparent material and the nano silver are all 200 meshes.
7. The photocatalyst-free nano air-cleaning negative oxygen ion coating according to claim 1, wherein: the fineness of the anion powder is less than or equal to 50 μm.
8. The photocatalyst-free nano air-cleaning negative oxygen ion coating according to claim 1, wherein: the particle size of the nano silver is 12-85 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325494.6A CN113549376A (en) | 2020-04-23 | 2020-04-23 | Photocatalyst-free nano negative oxygen ion coating for cleaning air and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010325494.6A CN113549376A (en) | 2020-04-23 | 2020-04-23 | Photocatalyst-free nano negative oxygen ion coating for cleaning air and preparation method thereof |
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| CN113549376A true CN113549376A (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117510777A (en) * | 2023-11-28 | 2024-02-06 | 山东球牌化妆用品有限公司 | Preparation method of air cushion sponge without photocatalyst polyurethane |
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| CN102533113A (en) * | 2010-12-24 | 2012-07-04 | 管静 | Photocatalyst paint |
| WO2015133316A1 (en) * | 2014-03-03 | 2015-09-11 | 株式会社鯤コーポレーション | Photocatalyst coating liquid and photocatalyst film using same |
| WO2015137840A1 (en) * | 2014-03-12 | 2015-09-17 | Vojislav Vasović | Process of obtaining ecologic water-based paint with increased absorption of harmful substances from the air for indoor use |
| CN105482540A (en) * | 2016-02-05 | 2016-04-13 | 厦门原古硅藻环保新型材料有限公司 | Powdered photocatalyst-free nanometer air cleaning coating additive and preparation method thereof |
| CN107118627A (en) * | 2017-05-11 | 2017-09-01 | 东莞市金基环保科技有限公司 | Ultralow radiation removes formaldehyde low-carbon health coating |
| CN109666358A (en) * | 2018-12-28 | 2019-04-23 | 秦皇岛美博士新型材料科技有限公司 | A kind of negative oxygen ion function wall material curing agent and preparation method thereof |
-
2020
- 2020-04-23 CN CN202010325494.6A patent/CN113549376A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533113A (en) * | 2010-12-24 | 2012-07-04 | 管静 | Photocatalyst paint |
| WO2015133316A1 (en) * | 2014-03-03 | 2015-09-11 | 株式会社鯤コーポレーション | Photocatalyst coating liquid and photocatalyst film using same |
| WO2015137840A1 (en) * | 2014-03-12 | 2015-09-17 | Vojislav Vasović | Process of obtaining ecologic water-based paint with increased absorption of harmful substances from the air for indoor use |
| CN105482540A (en) * | 2016-02-05 | 2016-04-13 | 厦门原古硅藻环保新型材料有限公司 | Powdered photocatalyst-free nanometer air cleaning coating additive and preparation method thereof |
| CN107118627A (en) * | 2017-05-11 | 2017-09-01 | 东莞市金基环保科技有限公司 | Ultralow radiation removes formaldehyde low-carbon health coating |
| CN109666358A (en) * | 2018-12-28 | 2019-04-23 | 秦皇岛美博士新型材料科技有限公司 | A kind of negative oxygen ion function wall material curing agent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117510777A (en) * | 2023-11-28 | 2024-02-06 | 山东球牌化妆用品有限公司 | Preparation method of air cushion sponge without photocatalyst polyurethane |
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