CN110791160A - Graphene liquid-state brushing type electro-catalyst diatom ooze and preparation method and application thereof - Google Patents
Graphene liquid-state brushing type electro-catalyst diatom ooze and preparation method and application thereof Download PDFInfo
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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
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- 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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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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- 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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- 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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- 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
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- 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
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
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- 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
Abstract
Graphene liquid painting type electro-catalyst diatom ooze and a preparation method and application thereof, belonging to the technical field of liquid diatom ooze paint, in particular to painting type diatom ooze and a preparation method and application thereof. The invention aims to solve the problem that the existing diatom ooze cannot generate negative ions to decompose harmful gases. The graphene liquid-state brushed type electro-catalyst diatom ooze comprises brushed type electro-catalyst diatom ooze base powder, a thickening agent, a film forming auxiliary agent, a pH regulator, a water-soluble graphene solution, an acrylic resin water dispersion, a silicone-acrylate emulsion, a water-soluble dispersing agent and a defoaming agent; the coating type electro-catalyst diatom ooze base material powder consists of nano quartz powder, nano zinc oxide, nano tourmaline powder, superfine diatom ooze and rutile type nano titanium dioxide. The preparation method comprises the following steps: firstly, preparing brushing type electro-catalyst diatom ooze base material powder; secondly, weighing the materials; and thirdly, mixing to obtain the graphene liquid-state brushing type electro-catalyst diatom ooze. The graphene liquid-state painting type electro-catalyst diatom ooze is used as a wall painting paint.
Description
Technical Field
The invention belongs to the technical field of liquid diatom ooze coating, and particularly relates to brushing type diatom ooze and a preparation method and application thereof.
Background
With the improvement of living standard of people and the enhancement of consciousness on ecological environmental protection and health, higher requirements are put forward on the selection and use of home decoration materials. How to meet the use requirements of people on indoor decoration materials with increasingly intense competition becomes a priority for various large manufacturers. The existing texture type diatom ooze can only be manually batched, cannot be brushed by a roller, is low in working efficiency and high in price. And although the common diatom ooze has the capacity of adsorbing indoor harmful gases, such as formaldehyde, benzene, phenol, carbon monoxide, ammonia gas and the like, the common diatom ooze has extremely high adsorption capacity, but can not generate negative ions to decompose the harmful gases, and when the diatom ooze is saturated and absorbs the harmful substances, secondary indoor pollution sources can be caused.
The diatomite is essentially siliceous sedimentary rock with biological cause, the melting point is 1400 ℃, the molecular weight is 60, and the diatomite is mainly distributed in China, America, Japan, Denmark, France, Romania and other countries. The diatomite reserves of 3.2 hundred million tons in China and the reserves of more than 20 hundred million tons in distant scenes are mainly concentrated in east China and northeast China, wherein the diatomite reserves are large in scale, more Jilin, Zhejiang, Yunnan, Shandong, Sichuan and other provinces can be worked out, although the diatomite reserves are widely distributed, high-quality soil is only concentrated in the diatomite ore area of Changbai mountain of Jilin, the resources are excellent and rich, most of other ore deposits are 3-4 grade soil, and the diatomite cannot be directly deeply processed and utilized due to high impurity content. The indoor and outdoor paint and wall material produced in Changbai mountain diatomite ore area has the features of super fiber, porous, etc. and its superfine pores are 5000-6000 times greater than that of charcoal. 1kg of diatom ooze can absorb 1kg of water within 1min, and when the indoor humidity rises, the ultramicro-pores on the kieselguhr wall material can automatically absorb the water in the air and store the water. If the moisture in the indoor air is reduced and the humidity is reduced, the diatomite wall material can release the moisture stored in the ultramicro pores, and the performance of the diatom ooze has good adjusting effect on indoor drying in winter in the north and indoor humidity in summer in the south.
The main component of natural diatomite is SiO2High quality white, SiO2The content is often more than 70%. During production, the distribution state and surface properties of the particle size of the raw soil are changed through the processing procedures of crushing, sorting, calcining, airflow classification, impurity removal and the like, and the method can meet various industrial requirements of coatings, paint additives and the like. Diatom mud as a new oneThe decorative material emphasizes functionality, but the functionality is abstract, and the decorative material is difficult to be identified by the naked eyes of laymen. In addition, the diatomite itself is not sticky like sand, sticky substances must be added into the diatom ooze, the substances are chemical resin or natural materials, whether small holes of the diatomite are blocked or not can be caused, and the key technical problem to be solved is that the function of the diatom ooze is directly influenced.
Disclosure of Invention
The invention aims to solve the problem that the existing diatom ooze cannot generate negative ions to decompose harmful gases, and provides graphene liquid-state brushing type electro-catalyst diatom ooze and a preparation method and application thereof.
The graphene liquid-state coating type electro-catalyst diatom ooze comprises 260-570 parts by weight of coating type electro-catalyst diatom ooze base powder, 1-10 parts by weight of thickening agent, 10-50 parts by weight of film forming additive, pH regulator, 50-150 parts by weight of water-soluble graphene solution, 500-800 parts by weight of acrylic resin aqueous dispersion, 100 parts by weight of silicone-acrylic emulsion, 1-5 parts by weight of water-soluble dispersing agent and 1-2 parts by weight of defoaming agent; the coating type electric catalyst diatom ooze base material powder comprises, by weight, 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide; the pH of the graphene liquid-state brushing type electro-catalyst diatom ooze is controlled to be 5.1-7.8 by utilizing a pH regulator.
The preparation method of the graphene liquid-state brush-coating type electro-catalyst diatom ooze comprises the following steps of:
firstly, preparing a brushing type electro-catalyst diatom ooze base material powder: weighing 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide in parts by weight, uniformly mixing 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide, drying at the temperature of 50-60 ℃ for 6-12 hours, and then sieving, wherein the aperture of a sieve is 80-100 meshes, so as to obtain the brushing type electrocatalyst diatom ooze base powder;
secondly, weighing materials: weighing 260-570 parts of brushing type electrocatalyst diatom ooze base material powder, 1-10 parts of thickening agent, 10-50 parts of film forming additive, 50-150 parts of water-soluble graphene solution, 500-800 parts of acrylic resin aqueous dispersion, 100 parts of silicone-acrylate emulsion, 1-5 parts of water-soluble dispersing agent and 1-2 parts of defoaming agent in parts by weight, and uniformly dividing 1-2 parts of defoaming agent into a defoaming agent A and a defoaming agent B;
①, adding the defoaming agent A, 1-10 parts of the thickening agent and 1-5 parts of the water-soluble dispersing agent into a stirrer, stirring and dispersing at the stirring speed of 800 r/min-1200 r/min for 10 min-15 min to obtain a primary mixture, ②, adding 260-570 parts of brushing type electric catalyst diatom ooze base powder into the primary mixture obtained in the third step ①, stirring at the stirring speed of 1000 r/min-1200 r/min for 20 min-30 min to obtain an intermediate mixture, ③, adding 500-800 parts of the acrylic resin water dispersion, 10-50 parts of the film forming assistant and the defoaming agent B into the intermediate mixture at the stirring speed of 500 r/min-700 r/min, then adding the pH regulator to adjust the pH value to 5.1-7.8, adding 50-150 parts of the water-soluble graphene solution, and continuously stirring at the stirring speed of 1000 r/min-1200 r/min for 30 min-50 min to obtain the graphene liquid brushing type electric catalyst diatom ooze.
Application of graphene liquid-state painting type electro-catalyst diatom ooze, wherein the graphene liquid-state painting type electro-catalyst diatom ooze is used as a wall painting coating, and 35m of graphene liquid-state painting type electro-catalyst diatom ooze is painted every 10kg2～40m2。
The invention has the advantages that: the graphene liquid-state brushing type electro-catalyst diatom ooze loads a water-soluble graphene solution and nano tourmaline powder on superfine diatom ooze, solves the difficult problems of material adhesion and agglomeration which are difficult to solve by the same lines at home and abroad, combines two contact and non-contact decomposition methods, and adds a special polar material to produce a new-generation environment-friendly functional wall coating. Secondly, the graphene liquid-state brush-coating type electro-catalyst diatom ooze realizes the release of negative ions by an electro-catalyst, belongs to the technology of releasing negative ions by the electro-catalyst, and is coated by 35m per 10kg of graphene liquid-state brush-coating type electro-catalyst diatom ooze2～40m2When in use, the negative ions are releasedThe average concentration of 1950-3500/(ions/s cm)2) Has the functions of decomposing various organic compounds and partial inorganic matters in indoor air and decomposing organic pollutant into pollution-free water (H)2O) and carbon dioxide (CO)2) The air purifier has the capability of permanently removing harmful gases such as formaldehyde, benzene and the like to purify indoor air, has the functions of mildew prevention, yellowing resistance and aging resistance, and has the effects of humidity regulation, heat insulation, noise reduction, wear resistance of wall surfaces, self-cleaning, sterilization, deodorization and the like. And thirdly, the graphene liquid-state painting type electro-catalyst diatom ooze is suitable for interior wall decoration of homes, villas, apartments, hotels, hospitals and the like.
Detailed Description
The first embodiment is as follows: the embodiment is graphene liquid-state coating type electro-catalyst diatom ooze, which comprises 260-570 parts by weight of coating type electro-catalyst diatom ooze base powder, 1-10 parts by weight of thickening agent, 10-50 parts by weight of film forming additive, pH regulator, 50-150 parts by weight of water-soluble graphene solution, 500-800 parts by weight of acrylic resin aqueous dispersion, 100 parts by weight of silicone-acrylic emulsion, 1-5 parts by weight of water-soluble dispersing agent and 1-2 parts by weight of defoaming agent; the coating type electric catalyst diatom ooze base material powder comprises, by weight, 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide; the pH of the graphene liquid-state brushing type electro-catalyst diatom ooze is controlled to be 5.1-7.8 by utilizing a pH regulator.
The common diatom ooze product only has the capacity of adsorbing indoor harmful gases. In the embodiment, according to the problems of common diatom ooze, the graphene liquid-state brush-coating type electro-catalytic diatom ooze is developed, the embodiment overcomes multiple technical difficulties of thin diatom ooze in the aspects of adsorption, purification, humidity regulation and the like, and the graphene liquid-state brush-coating type electro-catalytic diatom ooze is functionally indistinguishable from texture diatom ooze in the aspects of air purification, humidity regulation and the like. From the aspect of decoration, the texture type product is more suitable for local decoration of television walls, hallways and the like, and is rough and elegant, and the graphene liquid-state brushing type electro-catalyst diatom ooze is more suitable for fine and delicate performance, is warm and is more suitable for comprehensive use of bedrooms, living rooms and the like. From the construction aspect, the graphene liquid-state brush-coating type electro-catalyst diatom ooze can be subjected to rolling brush, and the construction efficiency is improved by more than three times.
Graphene is a novel superconducting material, the resistance is almost zero, a large amount of negative ions can be released only by weak current, air cannot be ionized, derived pollutants such as ozone, nitrogen oxides and positive ions are not generated, and the problem that the derived pollutants such as ozone and nitrogen oxides are easily generated when negative ions are generated is successfully solved. The weak current for activating the graphene to release the negative ions in the embodiment is generated by the nano tourmaline powder with hot spot property and piezoelectric property, and under a certain external energy fluctuation state (such as temperature, sunlight, wind, pressure, even very tiny action), the weak current can cause the negative ion crystals to be up to 1.0 × 106The eV electrostatic potential difference forms an electric field and high voltage, and a large amount of negative ions are released when the generated current flows in the single-layer graphene. The electro-catalytic conversion utilizes the energy of electricity as the released electrons (e)-) The application of the nano tourmaline powder plays a role in providing electric energy.
The graphene liquid-state brush-coating type electro-catalyst diatom ooze of the embodiment is reasonably configured by the nano tourmaline, the nano rare earth material, the rutile nano titanium dioxide, the superfine diatom ooze and the water-soluble graphene, so that the graphene liquid-state brush-coating type electro-catalyst diatom ooze of the embodiment realizes the release of negative ions by an electro-catalyst, the generation effect of the negative ions is improved, more negative ions can be generated, and the average 1950-3500/(ions/s cm) of the negative ion release concentration is reached2) The air purifier has the capability of permanently removing harmful gases such as formaldehyde, benzene and the like to purify indoor air, and has the effects of mildew prevention and ageing resistance. Therefore, the novel graphene material and the negative ion material technology are combined with the traditional diatom ooze, so that the energy is effectively saved, indoor air is purified, the diatom ooze is safe and environment-friendly, the diatom ooze is good in decoration, free of pollution and free of taste in the decoration construction process. And because of the ability to produce negative ions, it has multiple functions. After the graphene liquid-state brushing type electro-catalyst diatom ooze is decorated, the graphene liquid-state brushing type electro-catalyst diatom ooze has allergy to smoke, dust and pollenThe human symptoms are substantially alleviated; the customer who has insomnia and anxiety reflects that the symptoms are obviously relieved or cured.
The solution (monolayer) of water-soluble graphene in the liquid graphene-coated electrocatalyst diatom ooze is very important, and is sp from carbon atoms2The honeycomb plane film formed by the hybridization mode is a quasi-two-dimensional material with the thickness of only one atomic layer, so the material is called monoatomic layer graphite. Due to its excellent strength, flexibility, electrical conductivity, thermal conductivity and optical properties, it has been developed in the fields of physics, materials science, electronic information, computer, aerospace and the like.
Compared with the similar coating products on the market which can generate negative ions, the negative ion coating on the market at present mostly adds tourmaline powder into the water-based paint, can generate a certain amount of air negative ions, but the quantity of the negative ion coating does not reach the concentration capable of fully decomposing harmful gases such as indoor formaldehyde, benzene, phenol and the like. The peak value of the generated negative ions can reach 5000/(ions/s cm) after being tested by a negative ion tester2) The level of 'forest bath' can be completely achieved. Therefore, the graphene liquid-state brush-coating type electro-catalyst diatom ooze can generate enough air negative ions, and the effects of purifying air and decomposing harmful gases to protect human health are achieved.
Although the negative oxygen ion that this embodiment mode graphite alkene liquid state was scribbled brush type electric catalyst diatom mud produced is colorless tasteless, and health function is very amazing, because the anion has the outstanding effect of anti-oxidant (reducing) anti-aging, is known as "air vitamin", and air anion is inhaled the back through people's lung and is gone into the human body from blood and nervous system in, produces the influence to people's organism physiological activity. For example, when negative oxygen ions enter the brain, the functions of the cerebral cortex can be adjusted to play the roles of improving the sleep quality and reducing the blood pressure; when negative oxygen ions enter the respiratory tract of a human body, the bronchial smooth muscle can be relaxed, the function of the heart-lung system is improved, the working efficiency is improved, the negative oxygen ions can reduce the fatigue of the human body in blood, improve the body reaction and improve the immunity of the human body, and the negative oxygen ions have certain effects of clinically preventing and treating acute and chronic bronchitis, asthma, hypertension, hyperlipidemia, coronary heart disease and neurasthenia. The negative oxygen ions can also play a role in purifying oil smoke and second-hand smoke in the air, and reduce negative effects caused by smoking.
The release concentration of the graphene liquid-state brush-coating type electric catalyst diatom ooze negative ions far exceeds forest and seaside, people can achieve the drawing of the negative ions through rolling and brushing diatom ooze on the wall of own family, so that the graphene liquid-state brush-coating type electric catalyst diatom ooze negative ions has two functions, and the product has a wide future market prospect.
The second embodiment is as follows: the present embodiment differs from the first embodiment in that: the concentration of graphene in the water-soluble graphene solution is 2 g/L. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the thickening agent is hydroxymethyl cellulose. The others are the same as in the first or second embodiment.
The fourth concrete implementation mode: the difference between this embodiment and one of the first to third embodiments is as follows: the water-soluble dispersant is sodium dodecyl benzene sulfonate. The others are the same as the first to third embodiments.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the film-forming assistant is acrylic resin polyurethane copolymer resin. The rest is the same as the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is as follows: the defoaming agent is dimethyl siloxane. The rest is the same as the first to fifth embodiments.
The seventh embodiment: the difference between this embodiment and one of the first to sixth embodiments is: the particle size of the nano quartz powder is 1 nm-80000 nm; the particle size of the nano zinc oxide is 1 nm-20000 nm; the particle size of the nano tourmaline powder is 1 nm-50000 nm; the particle size of the rutile type nano titanium dioxide is 20 nm-30000 nm. The rest is the same as the first to sixth embodiments.
The specific implementation mode is eight: the embodiment is a preparation method of graphene liquid-state brushing type electro-catalyst diatom ooze, which is specifically completed according to the following steps:
firstly, preparing a brushing type electro-catalyst diatom ooze base material powder: weighing 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide in parts by weight, uniformly mixing 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide, drying at the temperature of 50-60 ℃ for 6-12 hours, and then sieving, wherein the aperture of a sieve is 80-100 meshes, so as to obtain the brushing type electrocatalyst diatom ooze base powder;
secondly, weighing materials: weighing 260-570 parts of brushing type electrocatalyst diatom ooze base material powder, 1-10 parts of thickening agent, 10-50 parts of film forming additive, 50-150 parts of water-soluble graphene solution, 500-800 parts of acrylic resin aqueous dispersion, 100 parts of silicone-acrylate emulsion, 1-5 parts of water-soluble dispersing agent and 1-2 parts of defoaming agent in parts by weight, and uniformly dividing 1-2 parts of defoaming agent into a defoaming agent A and a defoaming agent B;
①, adding the defoaming agent A, 1-10 parts of the thickening agent and 1-5 parts of the water-soluble dispersing agent into a stirrer, stirring and dispersing at the stirring speed of 800 r/min-1200 r/min for 10 min-15 min to obtain a primary mixture, ②, adding 260-570 parts of brushing type electric catalyst diatom ooze base powder into the primary mixture obtained in the third step ①, stirring at the stirring speed of 1000 r/min-1200 r/min for 20 min-30 min to obtain an intermediate mixture, ③, adding 500-800 parts of the acrylic resin water dispersion, 10-50 parts of the film forming assistant and the defoaming agent B into the intermediate mixture at the stirring speed of 500 r/min-700 r/min, then adding the pH regulator to adjust the pH value to 5.1-7.8, adding 50-150 parts of the water-soluble graphene solution, and continuously stirring at the stirring speed of 1000 r/min-1200 r/min for 30 min-50 min to obtain the graphene liquid brushing type electric catalyst diatom ooze.
The specific implementation method nine: the embodiment is an application of graphene liquid-state brushing type electrocatalyst diatom ooze, the graphene liquid-state brushing type electrocatalyst diatom ooze is used as a wall painting, and 35m of graphene liquid-state brushing type electrocatalyst diatom ooze is coated every 10kg2～40m2。
The invention is not limited to the above embodiments, and one or a combination of several embodiments may also achieve the object of the invention.
The following tests were carried out to confirm the effects of the present invention
Example 1: the preparation method of the graphene liquid-state brush-coating type electro-catalyst diatom ooze comprises the following steps of:
firstly, preparing a brushing type electro-catalyst diatom ooze base material powder: weighing 70 parts of nano quartz powder, 80 parts of nano zinc oxide, 40 parts of nano tourmaline powder, 200 parts of superfine diatom ooze and 70 parts of rutile type nano titanium dioxide according to the parts by weight, uniformly mixing 70 parts of nano quartz powder, 80 parts of nano zinc oxide, 40 parts of nano tourmaline powder, 200 parts of superfine diatom ooze and 70 parts of rutile type nano titanium dioxide, drying at the temperature of 50 ℃ for 12 hours, and then sieving, wherein the aperture of the sieve is 100 meshes, so as to obtain the coating type electro-catalyst diatom ooze base material powder; the particle size of the nano quartz powder is 500 nm; the particle size of the nano zinc oxide is 400 nm; the particle size of the nano tourmaline powder is 500 nm; the particle size of the rutile type nano titanium dioxide is 200 nm;
secondly, weighing materials: weighing 430 parts of brushing type electrocatalyst diatom ooze base material powder, 3 parts of thickening agent, 40 parts of film forming additive, 120 parts of water-soluble graphene solution, 800 parts of acrylic resin water dispersion, 100 parts of silicone-acrylate emulsion, 3 parts of water-soluble dispersing agent and 2 parts of defoaming agent according to parts by weight, and uniformly dividing 2 parts of defoaming agent into defoaming agent A and defoaming agent B; the concentration of graphene in the water-soluble graphene solution is 2 g/L; the thickening agent is hydroxymethyl cellulose; the water-soluble dispersant is sodium dodecyl benzene sulfonate; the film-forming auxiliary agent is acrylic resin polyurethane copolymer resin; the defoaming agent is dimethyl siloxane;
①, adding the defoaming agent A, 3 parts of the thickening agent and 3 parts of the water-soluble dispersing agent into a stirrer, stirring and dispersing for 10min at the stirring speed of 1000r/min to obtain a primary mixture, ②, adding 430 parts of the coating type electric catalyst diatom ooze base powder into the primary mixture obtained in the third step ①, stirring for 30min at the stirring speed of 1200r/min to obtain an intermediate mixture, ③, adding 800 parts of the aqueous dispersion acrylic resin, 40 parts of the film forming auxiliary agent and the defoaming agent B into the intermediate mixture at the stirring speed of 500r/min, then adding the pH regulator to adjust the pH to 6.8, then adding 120 parts of the water-soluble graphene solution, and continuously stirring for 30min at the stirring speed of 1200r/min to obtain the graphene liquid coating type electric catalyst diatom ooze.
Example 2: application of graphene liquid-state painting type electro-catalyst diatom ooze, wherein the graphene liquid-state painting type electro-catalyst diatom ooze is used as a wall painting coating, and 40m of graphene liquid-state painting type electro-catalyst diatom ooze is painted every 10kg2(ii) a The graphene liquid-state brushed electrocatalyst diatom ooze is prepared from example 1.
After detecting that the graphene liquid-state brushing type electrocatalyst diatom ooze prepared in example 1 was coated,
TABLE 1
| Item | Test results |
| Index of formaldehyde purification | 94.50％ |
| Durability of Formaldehyde purification Effect | 93.70％ |
| Anti-mould performance | Level 0 |
| Quantity of released negative ions | 2630/(ions/s cm)2) |
Claims (9)
1. The liquid graphene-coated electrocatalyst diatom ooze is characterized by comprising 260-570 parts by weight of coated electrocatalyst diatom ooze base powder, 1-10 parts by weight of thickening agent, 10-50 parts by weight of film forming additive, pH regulator, 50-150 parts by weight of water-soluble graphene solution, 500-800 parts by weight of acrylic resin aqueous dispersion, 100 parts by weight of silicone-acrylate emulsion, 1-5 parts by weight of water-soluble dispersant and 1-2 parts by weight of defoaming agent; the coating type electric catalyst diatom ooze base material powder comprises, by weight, 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide; the pH of the graphene liquid-state brushing type electro-catalyst diatom ooze is controlled to be 5.1-7.8 by utilizing a pH regulator.
2. The graphene liquid-coated electrocatalyst diatom ooze of claim 1, wherein the concentration of graphene in the water soluble graphene solution is 2 g/L.
3. The graphene liquid-coated electrocatalyst diatom ooze of claim 1, wherein the thickener is hydroxymethyl cellulose.
4. The graphene liquid-painted electrocatalyst diatom ooze of claim 1, wherein the water soluble dispersant is sodium dodecylbenzenesulfonate.
5. The graphene liquid-coated electrocatalyst diatom ooze of claim 1, wherein the coalescing agent is acrylic polyurethane copolymer resin.
6. The graphene liquid-painted electrocatalyst diatom ooze of claim 1, wherein the defoamer is dimethicone.
7. The graphene liquid-state brushed type electrocatalytic diatom ooze according to claim 1, wherein the particle size of the nano-quartz powder is 1 nm-80000 nm; the particle size of the nano zinc oxide is 1 nm-20000 nm; the particle size of the nano tourmaline powder is 1 nm-50000 nm; the particle size of the rutile type nano titanium dioxide is 20 nm-30000 nm.
8. The method for preparing the graphene liquid-state brushed electrocatalyst diatom ooze according to claim 1, wherein the method for preparing the graphene liquid-state brushed electrocatalyst diatom ooze is completed by the following steps:
firstly, preparing a brushing type electro-catalyst diatom ooze base material powder: weighing 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide in parts by weight, uniformly mixing 40-100 parts of nano quartz powder, 50-110 parts of nano zinc oxide, 30-50 parts of nano tourmaline powder, 100-300 parts of superfine diatom ooze and 50-100 parts of rutile type nano titanium dioxide, drying at the temperature of 50-60 ℃ for 6-12 hours, and then sieving, wherein the aperture of a sieve is 80-100 meshes, so as to obtain the brushing type electrocatalyst diatom ooze base powder;
secondly, weighing materials: weighing 260-570 parts of brushing type electrocatalyst diatom ooze base material powder, 1-10 parts of thickening agent, 10-50 parts of film forming additive, 50-150 parts of water-soluble graphene solution, 500-800 parts of acrylic resin aqueous dispersion, 100 parts of silicone-acrylate emulsion, 1-5 parts of water-soluble dispersing agent and 1-2 parts of defoaming agent in parts by weight, and uniformly dividing 1-2 parts of defoaming agent into a defoaming agent A and a defoaming agent B;
①, adding the defoaming agent A, 1-10 parts of the thickening agent and 1-5 parts of the water-soluble dispersing agent into a stirrer, stirring and dispersing at the stirring speed of 800 r/min-1200 r/min for 10 min-15 min to obtain a primary mixture, ②, adding 260-570 parts of brushing type electric catalyst diatom ooze base powder into the primary mixture obtained in the third step ①, stirring at the stirring speed of 1000 r/min-1200 r/min for 20 min-30 min to obtain an intermediate mixture, ③, adding 500-800 parts of the acrylic resin water dispersion, 10-50 parts of the film forming assistant and the defoaming agent B into the intermediate mixture at the stirring speed of 500 r/min-700 r/min, then adding the pH regulator to adjust the pH value to 5.1-7.8, adding 50-150 parts of the water-soluble graphene solution, and continuously stirring at the stirring speed of 1000 r/min-1200 r/min for 30 min-50 min to obtain the graphene liquid brushing type electric catalyst diatom ooze.
9. The use of the graphene liquid-coated electrocatalyst diatom ooze according to claim 1, wherein the graphene liquid-coated electrocatalyst diatom ooze is used as a wall paint, and 35m is coated on every 10kg of graphene liquid-coated electrocatalyst diatom ooze2～40m2。
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