CN113372792A - Preparation method of nano graphene negative ion coating - Google Patents
Preparation method of nano graphene negative ion coating Download PDFInfo
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- CN113372792A CN113372792A CN202110745585.XA CN202110745585A CN113372792A CN 113372792 A CN113372792 A CN 113372792A CN 202110745585 A CN202110745585 A CN 202110745585A CN 113372792 A CN113372792 A CN 113372792A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D5/08—Anti-corrosive paints
-
- 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
-
- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
Abstract
A preparation method of a nano graphene negative ion coating is prepared from the following raw materials in parts by weight: 10.0-30.0 parts of epoxy resin, 5.0-15 parts of hydroxyethyl cellulose, 5.0-10.0 parts of ethylene glycol, 0.5-4.0 parts of nano graphene, 5.0-20.0 parts of hexacyclic stone powder, 10.0-50.0 parts of tourmaline powder, 20.0-40.0 parts of deionized water, 0.1-2.0 parts of rare earth oxide, 0.2-3.0 parts of dispersing Liu, 1.0-4.0 parts of defoaming agent, 0.5-2.0 parts of thickening agent and 5.0-10.0 parts of modified polymer film-forming material. The number of connected carbon atoms can be increased continuously by utilizing a very stable structure formed by the hexagonal arrangement of the two-dimensional crystals of the nano graphene, the two-dimensional carbon molecule plane is enlarged continuously, the molecules are enlarged continuously, so that the nano graphene has the effects of high hardness, strong adhesive force, corrosion resistance and bacteria resistance, and the performance is improved along with the increase of the addition amount. Meanwhile, the mineral materials which can release negative ions by utilizing the hexacyclic stone, the tourmaline and the rare earth oxide release negative ions, resist electromagnetic radiation, resist bacteria and remove formaldehyde, and the performance of the material is improved along with the increase of the addition amount.
Description
Technical Field
The invention relates to the field of coating products, in particular to a preparation method of a nano graphene negative ion coating.
Background
Along with the improvement of the quality of the public life, the performance requirement of the coating is continuously improved, and the application requirements of the water-based coating which is non-toxic, environment-friendly and excellent in mechanical property in the household building material coating industry are continuously increased.
In order to realize the performance of safer and more environment-friendly coating, and the coating can also play a role in eliminating formaldehyde for other indoor plate-type furniture, curtains, cloth sofas and the like which are possible to release formaldehyde and other pollution sources after construction. The research and development of the negative ion coating are effective ways for improving the imbalance of harmful positive ions in the air, can meet market demands, and have extremely important effects on eliminating pollution, protecting the environment and improving the indoor air quality.
Disclosure of Invention
The invention aims to provide a preparation method of a nano graphene negative ion coating, which is an environment-friendly anticorrosive antibacterial negative ion coating with high hardness, negative ion release, antibiosis and formaldehyde removal, and is developed by taking biomass source graphene as a coating modifier and combining with tourmaline, hexacyclic stone, rare earth oxide catalysts and other raw materials which release negative ions. The current situation that the mechanical property of the existing paint is not ideal is improved, the natural small-particle-size negative ions can be continuously released, the antibacterial property reaches more than 98 percent, and the formaldehyde purification performance reaches more than 80 percent.
In order to achieve the purpose, the invention adopts the technical scheme that: a preparation method of a nano graphene negative ion coating is prepared from the following raw materials in parts by weight:
10.0 to 30.0 portions of epoxy resin
5.0 to 15.0 portions of hydroxyethyl cellulose
5.0 to 10.0 portions of glycol
0.5-4.0 parts of nano graphene
Hexacyclic ring stone powder 5.0-20.0 parts
10.0-50.0 parts of tourmaline powder
20.0 to 40.0 portions of deionized water
0.1-2.0 parts of rare earth oxide
0.2 to 3.0 portions of disperse Liu
1.0 to 4.0 portions of defoaming agent
0.5 to 2.0 portions of thickening agent
5.0-10.0 parts of modified high-molecular film-forming material.
The invention has the beneficial effects that:
1. the main functional components of the invention are formed by the nano-graphene and various negative ion ore materials. The natural mineral material is ground to the fineness of more than 1500 meshes, and the hardness and the glossiness of the coating of the cured double-component material are improved to different degrees by combining with the nano graphene. Improves the performance of the coating, releases negative ions, removes odor and purifies air. Has wide application value.
2. The anion mineral material mainly comprises hexacyclic ring stone, tourmaline and rare earth oxide. The main functions are as follows: releasing negative ions, resisting bacteria, removing formaldehyde, and purifying air, refreshing brain, and enhancing immunity.
3. Graphene is a two-dimensional crystal, and carbon atoms are arranged in a hexagon and connected with each other to form a carbon molecule, so that the structure of the graphene is very stable. As the number of carbon atoms attached increases, the two-dimensional carbon molecule plane increases and the molecule size increases. It has high hardness, strong adhesion, and antiseptic and antibacterial effects.
Specific technical scheme
The present invention is further described in detail below with reference to specific embodiments so that those skilled in the art can practice the invention with reference to the description. The described embodiments are only some embodiments of the invention, not all embodiments.
Example 1:
(1) the preparation method of the nano graphene negative ion coating comprises the following steps: natural flake graphite powder or expanded graphite powder with the grain size of 50-800 meshes is selected as a raw material, and is dried to remove moisture in the natural flake graphite powder and increase the bulkiness of the graphite powder, wherein the drying condition is 60-80 ℃, and the drying time is 12-24 hours.
(2) Adding the dried graphite powder and an organic solvent into an adhesive to obtain a premix, and grinding the premix in a grinder to obtain a mixture containing the pre-stripped graphite powder; and (3) filtering the mixture in an organic solvent to obtain the pre-stripped graphite powder. And putting the pre-stripped graphite powder into an ultrasonic instrument for ultrasonic treatment, and then sequentially washing, filtering and drying to obtain the nano graphene nanoplatelets.
(3) 30.0 parts of deionized water, 8 parts of ethylene glycol, 4.0 parts of graphene, 10.0 parts of hexacyclic stone powder, 30.0 parts of tourmaline powder, 1.0 part of rare earth oxide, 3.0 parts of disperse Liu, 3 parts of defoaming agent and 2 parts of thickening agent are dispersed in a stirrer at a high speed for 30min, and then 30.0 parts of epoxy resin, 12 parts of hydroxyethyl cellulose and 5.0 parts of modified high-molecular film forming material are added and stirred at a low speed for 30min, and then the mixture is discharged.
Comparative example 1:
30.0 parts of deionized water, 8 parts of ethylene glycol, 1.0 part of graphene powder, 10.0 parts of hexacyclic stone powder, 30.0 parts of tourmaline powder, 1.0 part of rare earth oxide, 3.0 parts of disperse Liu, 3 parts of defoaming agent and 2 parts of thickening agent are dispersed in a stirrer at a high speed for 30min, and then 30.0 parts of epoxy resin, 12 parts of hydroxyethyl cellulose and 5.0 parts of modified high-molecular film forming material are added and stirred at a low speed for 30min, and then the mixture is discharged.
The graphene powder used in comparative example 1 was added in an amount of 4.0 to 1.0 parts by weight relative to the coating in example 1.
Comparative example 2:
30.0 parts of deionized water, 8 parts of ethylene glycol, 4.0 parts of graphene powder, 5.0 parts of hexacyclic stone powder, 10.0 parts of tourmaline powder, 0.5 part of rare earth oxide, 3.0 parts of disperse Liu, 3 parts of defoaming agent and 2 parts of thickening agent are dispersed in a stirrer at a high speed for 30min, and then 30.0 parts of epoxy resin, 12 parts of hydroxyethyl cellulose and 5.0 parts of modified high-molecular film forming material are added and stirred at a low speed for 30min, and then the mixture is discharged.
The addition weight of the hexacyclic stone powder used in comparative example 2 was reduced from 10.0 to 5.0, the addition weight of the tourmaline powder was reduced from 30.0 to 10.0, and the addition weight of the rare earth oxide was reduced from 1.0 to 0.5, relative to the coating in example 1.
By comparing the coatings in the implementation and the comparative examples, the three groups of coatings are respectively tested and compared as follows:
| negative ion generating ability | Antibacterial ability | Ability to remove formaldehyde | Resistance to electromagnetic radiation | Hardness of paint film | |
| Example 1 | 5 | 4 | 3 | 4 | 5 |
| Comparative example 1 | 5 | 3 | 3 | 4 | 0 |
| Comparative example 2 | 1 | 1 | 1 | 1 | 5 |
Remarking: 1-5 represent capability levels
The above data show that the emission capacity of negative ions in example 1 is 18700 per cm3The antibacterial rate reaches 99%, the formaldehyde removal rate reaches 91%, the electromagnetic radiation resistance is 89%, and the paint wax hardness is 5H.
The data result shows that the number of connected carbon atoms can be increased continuously by utilizing a very stable structure formed by the hexagonal arrangement of the two-dimensional crystal of the nano graphene, the plane of the two-dimensional carbon molecule is enlarged continuously, the molecule is enlarged continuously, so that the nano graphene has the effects of high hardness, strong adhesive force, corrosion resistance and bacteria resistance, and the performance is improved along with the increase of the addition amount. Meanwhile, the mineral materials which can release negative ions by utilizing the hexacyclic stone, the tourmaline and the rare earth oxide release negative ions, resist electromagnetic radiation, resist bacteria and remove formaldehyde, and the performance of the material is improved along with the increase of the addition amount.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the examples shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (4)
1. A preparation method of a nano graphene negative ion coating is characterized by comprising the following steps: (1) selecting natural crystalline flake graphite powder or expanded graphite powder with the particle size of 50-800 meshes as a raw material, drying the raw material to remove water in the natural crystalline flake graphite powder and increase the bulkiness of the graphite powder, wherein the drying condition is 60-80 ℃, and drying for 12-24 h; (2) adding the dried graphite powder and an organic solvent into an adhesive to obtain a premix, and grinding the premix in a grinder to obtain a mixture containing the pre-stripped graphite powder; and (3) filtering the mixture in an organic solvent to obtain the pre-stripped graphite powder. Putting the pre-stripped graphite powder into an ultrasonic instrument for ultrasonic treatment, and then sequentially washing, filtering and drying to obtain nano graphene nanoplatelets; (3) 30.0 parts of deionized water, 8 parts of ethylene glycol, 4.0 parts of graphene, 10.0 parts of hexacyclic stone powder, 30.0 parts of tourmaline powder, 1.0 part of rare earth oxide, 3.0 parts of disperse Liu, 3 parts of defoaming agent and 2 parts of thickening agent are dispersed in a stirrer at a high speed for 30min, and then 30.0 parts of epoxy resin, 12 parts of hydroxyethyl cellulose and 5.0 parts of modified high-molecular film forming material are added and stirred at a low speed for 30min, and then the mixture is discharged.
2. The preparation method of the nano graphene negative ion coating according to claim 1, wherein the ratio of the nano graphene negative ion coating to the nano graphene negative ion coating is as follows: 30.0 parts of deionized water, 8 parts of ethylene glycol, 1.0 part of graphene powder, 10.0 parts of hexacyclic stone powder, 30.0 parts of tourmaline powder, 1.0 part of rare earth oxide, 3.0 parts of disperse Liu, 3 parts of defoaming agent and 2 parts of thickening agent are dispersed in a stirrer at a high speed for 30min, 30.0 parts of epoxy resin, 12 parts of hydroxyethyl cellulose and 5.0 parts of modified high-molecular film forming material are added and stirred at a low speed for 30min, and then the mixture is discharged, wherein the added weight of the graphene powder used in the comparative example 1 is reduced from 4.0 to 1.0 relative to the coating in the example 1.
3. The preparation method of the nano graphene negative ion coating according to claim 1, wherein the ratio of the nano graphene negative ion coating to the nano graphene negative ion coating is as follows: 30.0 parts of deionized water, 8 parts of ethylene glycol, 4.0 parts of graphene powder, 5.0 parts of hexacyclic stone powder, 10.0 parts of tourmaline powder, 0.5 part of rare earth oxide, 3.0 parts of disperse Liu, 3 parts of defoaming agent and 2 parts of thickening agent are dispersed in a stirrer at a high speed for 30min, and then 30.0 parts of epoxy resin, 12 parts of hydroxyethyl cellulose and 5.0 parts of modified high-molecular film forming material are added and stirred at a low speed for 30min, and then the mixture is discharged; the addition weight of the hexacyclic stone powder used in comparative example 2 was reduced from 10.0 to 5.0, the addition weight of the tourmaline powder was reduced from 30.0 to 10.0, and the addition weight of the rare earth oxide was reduced from 1.0 to 0.5, relative to the coating in example 1.
4. A preparation method of a nano graphene negative ion coating is characterized in that the coating is compared with the coating in the comparative example, the structure of nano graphene is utilized, and the hardness, the negative ion release, the electromagnetic radiation resistance, the antibacterial property and the formaldehyde removal property of the nano graphene negative ion coating are improved along with the increase of the addition amount of a mineral material which can release negative ions and is prepared from hexacyclic stone, tourmaline and rare earth oxide.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115678433A (en) * | 2022-10-16 | 2023-02-03 | 湖南国彩新材料有限公司 | Multifunctional interior wall dry powder coating |
| CN115806723A (en) * | 2022-12-14 | 2023-03-17 | 北京旭华时代科技有限公司 | Yoga mat capable of continuously releasing negative oxygen ions |
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| CN112552790A (en) * | 2020-12-08 | 2021-03-26 | 湖南格仑新材股份有限公司 | Special graphene anticorrosive paint for tail gas quick cooler shell and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115678433A (en) * | 2022-10-16 | 2023-02-03 | 湖南国彩新材料有限公司 | Multifunctional interior wall dry powder coating |
| CN116640468A (en) * | 2022-10-16 | 2023-08-25 | 湖南国彩新材料有限公司 | Multifunctional interior wall dry powder coating |
| CN115806723A (en) * | 2022-12-14 | 2023-03-17 | 北京旭华时代科技有限公司 | Yoga mat capable of continuously releasing negative oxygen ions |
| CN115806723B (en) * | 2022-12-14 | 2023-10-10 | 北京旭华时代科技有限公司 | Yoga mat capable of continuously releasing negative oxygen ions |
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Application publication date: 20210910 |