CN110791202A - Formaldehyde-removing wall coating added with graphene - Google Patents
Formaldehyde-removing wall coating added with graphene Download PDFInfo
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- CN110791202A CN110791202A CN201911099238.3A CN201911099238A CN110791202A CN 110791202 A CN110791202 A CN 110791202A CN 201911099238 A CN201911099238 A CN 201911099238A CN 110791202 A CN110791202 A CN 110791202A
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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
- C09D193/00—Coating compositions based on natural resins; Coating compositions based on derivatives thereof
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
Abstract
The invention discloses a formaldehyde-removing wall coating added with graphene, which comprises the following raw materials in parts by weight: 6-12 parts of graphene aqueous dispersion, 5-10 parts of UV photo-oxidation catalyst, 8-20 parts of titanium dioxide, 30-55 parts of triple superphosphate, 20-35 parts of diatomite, 0.3-1 part of flatting agent, 0.2-1.2 parts of defoaming agent, 0.8-1.4 parts of wetting agent and 15-30 parts of natural resin. Through the matching of the structures, the invention solves the problems of slow effect, unobvious effect and incomplete removal in the process of eliminating formaldehyde by the existing plant absorption method, purifying agent spraying, activated carbon adsorption and the like.
Description
Technical Field
The invention relates to the technical field of wall coatings, in particular to a graphene-added formaldehyde-removing wall coating.
Background
Along with the improvement of people's standard of living, more and more people focus on the quality of house decoration, and during the house decoration usually, these materials of artificial boards such as plywood, laminated wood board need be used, interior wall coating etc. furniture, cloth art furniture, kitchen furniture are also indispensable in addition, and these all can produce formaldehyde, still can produce harmful substance such as benzene, heavy metal, VOC simultaneously.
Formaldehyde is a colorless gas with strong pungent odor, is easily soluble in water, alcohol and ether, is a well-known allergic reaction source and is one of potential strong mutagens, chronic respiratory diseases can be caused by long-term exposure to low-dose formaldehyde, nasopharyngeal carcinoma, colon cancer, brain tumor, menstrual disorder and gene mutation of cell nucleus are caused, children and pregnant women are particularly sensitive to formaldehyde among all exposure persons, and the harm is larger. However, although the method can eliminate formaldehyde, the method still has the disadvantages of slow effect, unobvious effect, incomplete elimination and the like, so how to simply and rapidly eliminate indoor formaldehyde and purify indoor air becomes a problem to be solved at present.
Disclosure of Invention
The invention aims to provide a formaldehyde-removing wall coating added with graphene, which can effectively remove effective substances such as indoor formaldehyde, benzene and the like through arrangement of related structures such as graphene, nano titanium dioxide, diatomite and the like, has high purification efficiency, and has excellent mechanical property and chemical stability, so that the coating has better scratch-resistant and wear-resistant mechanical property, thereby prolonging the service life of the coating.
In order to achieve the purpose, the invention provides the following technical scheme: the formaldehyde-removing wall coating added with graphene comprises the following raw materials in parts by weight: 6-12 parts of graphene aqueous dispersion, 5-10 parts of UV photo-oxidation catalyst, 8-20 parts of titanium dioxide, 30-55 parts of triple superphosphate, 20-35 parts of diatomite, 0.3-1 part of flatting agent, 0.2-1.2 parts of defoaming agent, 0.8-1.4 parts of wetting agent and 15-30 parts of natural resin.
Preferably, the formaldehyde-removing wall coating added with graphene comprises the following raw materials in parts by weight: 8-12 parts of graphene aqueous dispersion, 7-10 parts of UV photo-oxidation catalyst, 13-20 parts of titanium dioxide, 40-55 parts of triple superphosphate, 25-35 parts of diatomite, 0.5-1 part of flatting agent, 0.6-1.2 parts of defoaming agent, 1-1.4 parts of wetting agent and 20-30 parts of natural resin.
Preferably, the formaldehyde-removing wall coating added with graphene comprises the following raw materials in parts by weight: 9 parts of graphene water dispersion, 8 parts of UV photo-oxidation catalyst, 14 parts of titanium dioxide, 42 parts of triple superphosphate, 27 parts of diatomite, 0.6 part of leveling agent, 0.7 part of defoaming agent, 1.1 parts of wetting agent and 22 parts of natural resin.
Preferably, the UV photo-oxidation catalyst is nano titanium dioxide, and the leveling agent is polydimethylsiloxane.
Preferably, the defoamer is a dimethicone defoamer and the wetting agent is glycerol.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention improves the efficiency of photocatalytic reaction by arranging the graphene, can effectively compound with the photocatalyst, not only improves the dispersibility of photocatalyst nano particles on the surface of the graphene, but also improves the photocatalytic activity of the photocatalyst by reducing the recombination of photo-generated electrons and holes, thereby improving the utilization rate of light, leading the nano titanium dioxide to decompose the formaldehyde into carbon dioxide and water under the irradiation of visible light, further eliminating formaldehyde, and the graphene has a unique lamellar structure and is overlapped layer by layer to form a compact physical isolation layer, so that the coating prepared by modifying the graphene has better physical isolation and waterproof functions, and in addition, the graphene has excellent mechanical property and chemical stability, the coating has good mechanical properties of scratch resistance and wear resistance, thereby prolonging the service life of the coating.
The diatomite is mainly composed of opals, is rich in various beneficial mineral substances and has light and soft texture, an electron microscope shows that countless tiny holes are formed in the surface of diatomite ions, the porosity is over 90 percent, the specific surface area is as high as 65m2/g, and the diatomite has strong physical adsorption performance and ion exchange performance, so that the contact rate of the titanium dioxide and the graphene with the formaldehyde and other pollutants is increased under the action of the diatomite, free formaldehyde, benzene and other harmful substances in the air can be effectively eliminated, negative oxygen ions are released, the air is purified, and the purification effect and the purification efficiency are improved.
In conclusion, through the matching use of related structures such as graphene, nano titanium dioxide and diatomite, effective substances such as formaldehyde and benzene in a room can be effectively eliminated, the purification efficiency is high, in addition, the graphene has excellent mechanical property and chemical stability, so that the coating has good scratch-resistant and wear-resistant mechanical property, the service life of the coating is prolonged, the coating manufacturing process flow comprises the steps of formula feeding, dispersing, grinding, paint mixing and filtering packaging, the production and manufacturing are simple and convenient, the cost is low, and the coating has good application prospects.
Drawings
FIG. 1 is a raw material composition ratio table according to an embodiment of the present invention;
FIG. 2 is a composition ratio table of the second raw material in the example of the present invention;
FIG. 3 is a composition ratio table of three raw materials in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 one
Referring to fig. 1, the present invention provides a technical solution: the formaldehyde-removing wall coating added with graphene comprises the following raw materials in parts by weight: 6 parts of graphene water dispersion, 5 parts of UV photo-oxidation catalyst, 8 parts of titanium dioxide, 30 parts of triple superphosphate, 20 parts of diatomite, 0.3 part of flatting agent, 0.2 part of defoaming agent, 0.8 part of wetting agent and 15 parts of natural resin.
The UV photo-oxidation catalyst is nano titanium dioxide, the nano titanium dioxide accounts for 5 parts by weight, the flatting agent is polydimethylsiloxane, the polydimethylsiloxane accounts for 0.3 part by weight, the defoaming agent is a dimethyl silicone oil defoaming agent, the dimethyl silicone oil defoaming agent accounts for 0.2 part by weight, the wetting agent is glycerol, and the glycerol accounts for 0.5 part by weight.
Example two
Referring to fig. 2, a graphene-added formaldehyde-removing wall coating comprises the following raw materials in parts by weight: 12 parts of graphene water dispersion liquid, 10 parts of UV photo-oxidation catalyst, 20 parts of titanium dioxide, 55 parts of triple superphosphate, 35 parts of diatomite, 1 part of flatting agent, 1.2 parts of defoaming agent, 1.4 parts of wetting agent and 30 parts of natural resin.
The UV photo-oxidation catalyst is nano titanium dioxide, the nano titanium dioxide accounts for 10 parts by weight, the flatting agent is polydimethylsiloxane, the polydimethylsiloxane accounts for 1 part by weight, the defoaming agent is a dimethyl silicone oil defoaming agent, the dimethyl silicone oil defoaming agent accounts for 1.2 parts by weight, the wetting agent is glycerol, and the glycerol accounts for 1.2 parts by weight.
EXAMPLE III
Referring to fig. 3, a graphene-added formaldehyde-removing wall coating comprises the following raw materials in parts by weight: 9 parts of graphene water dispersion, 8 parts of UV photo-oxidation catalyst, 14 parts of titanium dioxide, 42 parts of triple superphosphate, 27 parts of diatomite, 0.6 part of leveling agent, 0.7 part of defoaming agent, 1.1 parts of wetting agent and 22 parts of natural resin.
The UV photo-oxidation catalyst is nano titanium dioxide, the nano titanium dioxide accounts for 8 parts by weight, the flatting agent is polydimethylsiloxane, the polydimethylsiloxane accounts for 0.6 part by weight, the defoaming agent is a dimethyl silicone oil defoaming agent, the dimethyl silicone oil defoaming agent accounts for 0.7 part by weight, the wetting agent is glycerol, and the glycerol accounts for 1.1 part by weight.
The working principle is as follows: when the formaldehyde removing wall coating added with the graphene is used, the graphene is arranged, the efficiency of photocatalytic reaction is improved, the graphene can be effectively compounded with a photocatalyst, the dispersity of photocatalyst nano particles on the surface of the graphene is improved, the photocatalytic activity of the photocatalyst is improved by reducing the recombination of photo-generated electrons and holes, the utilization rate of light is improved, the formaldehyde can be decomposed into carbon dioxide and water by the nano titanium dioxide under the irradiation of visible light, the formaldehyde can be eliminated, the contact rate of the titanium dioxide and the graphene with pollutants such as the formaldehyde can be effectively increased by the arrangement of the diatomite, the main component of the diatomite is opal which is rich in various beneficial mineral substances and soft in texture, the electron microscope shows that the surface of the diatomite has countless tiny holes, the porosity reaches more than 90 percent, and the specific surface area reaches 65m2/g, have stronger physical adsorption performance and ion exchange performance, consequently, the contact rate of titanium dioxide and graphite alkene and pollutants such as formaldehyde has been increased under the effect of diatomaceous earth, thereby can effectively eliminate free formaldehyde in the air, harmful substance such as benzene, release negative oxygen ion, air-purifying, purifying effect and purification efficiency are improved, and graphite alkene has unique lamellar structure, superpose layer upon layer and form compact physical isolated layer, make the coating that prepares after the graphite alkene is modified and obtain have better isolated waterproof effect of physics, in addition graphite alkene has excellent mechanical properties and chemical stability, make the coating have better scraping-resistant, wear-resisting mechanical properties, thereby coating life has been improved.
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 (5)
1. The utility model provides an add formaldehyde wall coating that removes of graphite alkene which characterized in that: the composite material comprises the following raw materials in parts by weight: 6-12 parts of graphene aqueous dispersion, 5-10 parts of UV photo-oxidation catalyst, 8-20 parts of titanium dioxide, 30-55 parts of triple superphosphate, 20-35 parts of diatomite, 0.3-1 part of flatting agent, 0.2-1.2 parts of defoaming agent, 0.8-1.4 parts of wetting agent and 15-30 parts of natural resin.
2. The formaldehyde removing wall coating added with graphene according to claim 1, characterized in that: the composite material comprises the following raw materials in parts by weight: 8-12 parts of graphene aqueous dispersion, 7-10 parts of UV photo-oxidation catalyst, 13-20 parts of titanium dioxide, 40-55 parts of triple superphosphate, 25-35 parts of diatomite, 0.5-1 part of flatting agent, 0.6-1.2 parts of defoaming agent, 1-1.4 parts of wetting agent and 20-30 parts of natural resin.
3. The formaldehyde removing wall coating added with graphene according to claim 1, characterized in that: the composite material comprises the following raw materials in parts by weight: 9 parts of graphene water dispersion, 8 parts of UV photo-oxidation catalyst, 14 parts of titanium dioxide, 42 parts of triple superphosphate, 27 parts of diatomite, 0.6 part of leveling agent, 0.7 part of defoaming agent, 1.1 parts of wetting agent and 22 parts of natural resin.
4. The formaldehyde removing wall coating added with graphene according to claim 1, characterized in that: the UV photo-oxidation catalyst is nano titanium dioxide, and the flatting agent is polydimethylsiloxane.
5. The formaldehyde removing wall coating added with graphene according to claim 1, characterized in that: the defoaming agent is a dimethyl silicone oil defoaming agent, and the wetting agent is glycerol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911099238.3A CN110791202A (en) | 2019-11-12 | 2019-11-12 | Formaldehyde-removing wall coating added with graphene |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911099238.3A CN110791202A (en) | 2019-11-12 | 2019-11-12 | Formaldehyde-removing wall coating added with graphene |
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Cited By (2)
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| CN112500795A (en) * | 2020-10-23 | 2021-03-16 | 福建比美特环保集团有限公司 | Preparation process of wall covering with formaldehyde removing function |
| CN113244887A (en) * | 2021-05-17 | 2021-08-13 | 吉林建筑大学 | Preparation method of high-functionality graphene diatomite composite material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500795A (en) * | 2020-10-23 | 2021-03-16 | 福建比美特环保集团有限公司 | Preparation process of wall covering with formaldehyde removing function |
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Application publication date: 20200214 |