CN113025205A - Natural plant interior wall coating and preparation method thereof - Google Patents
Natural plant interior wall coating and preparation method thereof Download PDFInfo
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- CN113025205A CN113025205A CN202110377952.5A CN202110377952A CN113025205A CN 113025205 A CN113025205 A CN 113025205A CN 202110377952 A CN202110377952 A CN 202110377952A CN 113025205 A CN113025205 A CN 113025205A
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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
- 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
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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
- 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
- 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
Abstract
The invention relates to a natural plant interior wall coating and a preparation method thereof, wherein the natural plant interior wall coating is mainly prepared from the following components in parts by weight: 2-4 parts of water 210-. The invention overcomes the defects of slow drying speed, poor weather resistance and environmental protection of the natural interior wall coating products in the existing market, and the paint not only meets the requirement of environmental protection, but also has fast drying speed and good weather resistance of the paint film by adopting the compounding of the natural lacquer emulsion and the plant-based emulsion and under the assistance of other optimized components and the dosage proportion thereof.
Description
Technical Field
The invention relates to a natural plant interior wall coating and a preparation method thereof, which are applied to the field of chemical coating production.
Background
The natural interior wall coating products in the current market are mixed and have different advantages and varieties, and the natural interior wall coating products mainly comprise the following varieties:
1) the latex paint is prepared by taking natural ore as a raw material, and adopting activated modified lime, white stone powder, active palygorskite powder, active alumina, natural shell powder, natural diatom ooze and the like, wherein a formula system takes acrylic emulsion as a base material, and is added with components commonly used in a traditional latex paint formula, such as an acrylic acid sodium salt dispersing agent, a wetting agent, a bactericide, an antifreezing agent, a film-forming aid and the like; the special porous structure in natural ore is utilized, the chemical property is stable, and harmful substances (such as free formaldehyde, benzene, ammonia and the like) in the air and peculiar smell generated by body odor, smoking and domestic garbage of pets can be physically adsorbed, so that the aim of purifying the air is fulfilled, and the indoor living environment is improved; but the formula of the latex paint is not much different from that of the traditional latex paint system, the latex paint contains certain VOC, antifreezing agents and the like, the adsorption capacity is limited, and the adsorption of harmful substances cannot be continued after the adsorption of the harmful substances is saturated;
2) the plant-based (bio-based) latex paint interior wall coating is prepared by taking plant-based emulsion as a main raw material and adding an environment-friendly auxiliary agent; the plant-based emulsion is mainly resin prepared from rosin, plant oil (such as linseed oil, tung oil and castor oil), cassava, saccharides, starch, natural latex, plant fiber and other natural plants as starting materials or main components; the plant-based emulsion has considerable contribution to reducing petroleum dependence, reducing low-carbon emission, reducing greenhouse effect and promoting the sustainable development of the coating industry; meanwhile, the odor of the plant-based emulsion is lower, the coating formula can realize the function of purifying formaldehyde, the formaldehyde purifying efficiency can reach more than 80% (JC/T1074-2008), the indoor air quality can be effectively improved, and a safe and healthy living environment is constructed; however, the plant-based emulsion is still a chemically synthesized product, is not a pure natural plant film-forming substance, and still needs to be improved in environmental protection.
In addition, the improved product of the existing natural interior wall coating also adopts the lacquer as the raw material, so that the lacquer film has the advantages of hard lacquer film and good wear resistance after being dried. However, since the film is formed by oxidative drying, the drying speed is slow, and this is particularly significant in a weather with high air humidity. And the paint film has the defects of poor ultraviolet resistance and the like.
Therefore, it is highly desirable to provide a natural plant interior wall coating with fast drying speed, good weather resistance and environmental protection and a preparation method thereof.
Disclosure of Invention
In order to overcome the defects of slow drying speed, poor weather resistance and environmental protection and the like of natural interior wall coating products in the existing market, the invention provides the natural plant interior wall coating and the preparation method thereof.
The technical scheme of the invention is as follows:
the natural plant interior wall coating is mainly prepared from the following components in parts by weight:
382 portions of water 210-
2-4 parts of dispersant
2-4 parts of wetting agent
4-8.5 parts of defoaming agent
2-5 parts of guar gum
3-5 parts of xanthan gum
Titanium dioxide 200-300 parts
30-100 parts of heavy calcium carbonate
25-100 parts of diatomite
200 portions and 300 portions of natural lacquer emulsion
50-100 parts of plant-based emulsion
10-20 parts of tea tree essential oil
15-30 parts of orange essential oil
20-50 parts of photocatalyst.
The natural plant interior wall coating formula of the application adopts the compounding of the natural lacquer emulsion and the plant-based emulsion, and under the assistance of other preferable components and dosage ratios thereof, the natural plant interior wall coating has the advantages of good environmental protection, high paint film drying speed, high hardness, good wear resistance and scrub resistance which can reach more than 20000 times. The photocatalyst can generate substances with strong oxidizing property (such as hydroxyl free radicals, oxygen and the like) under the irradiation of light, can effectively degrade toxic and harmful gases in the air, such as formaldehyde and the like, can kill various bacteria and fungi while efficiently purifying the air, and can decompose and harmlessly treat toxins released by the bacteria or the fungi. The photocatalyst is used in paint to produce antiseptic and smell eliminating paint. And because the tea tree essential oil and the orange essential oil are added in the system, the paint can have antibacterial property and corrosion resistance without additionally adding a bactericide and a preservative on the premise of having environmental protection property. And because natural raw materials are adopted for sterilization and bacteriostasis, the formula does not contain bactericides, organic solvents and the like which have irritation to human bodies, and the coating has almost no irritation to the human bodies and is a pure natural additive-free green coating. The plant-based emulsion is an emulsion which is prepared by taking natural plant raw materials such as rosin, linseed oil, tung oil, castor oil, vegetable oil, corn starch, cassava starch, sugar and the like as starting raw materials, obtaining a polymerizable monomer through biological or chemical conversion, and polymerizing by using the emulsion and taking water as a dispersion medium.
Wherein guar gum is preferably 28000, which is an extract of guar bean of Leguminosae family, and is a galactomannan, which is commonly used as food thickener. Guar gum is the most effective and most water soluble natural polymer known, and at low concentrations, it forms highly viscous solutions, exhibits non-newtonian rheology, and enhances the stability of the coating system.
Xanthan gum is preferably Australian chemical HY-6, which is a microbial exopolysaccharide with wide action and is produced by fermenting Xanthomonas campestris (Xanthomonas campestris) with carbohydrate as main raw material (such as corn starch). The microbial polysaccharide has unique rheological property, good water solubility, stability to heat and acid and alkali and good compatibility with various salts, can be used as a thickening agent, a suspending agent, an emulsifying agent and a stabilizing agent, is widely applied to more than 20 industries such as food, petroleum, medicine and the like, and is the microbial polysaccharide which has the largest production scale and extremely wide application in the world at present.
The preferred titanium dioxide is python R-996, and the titanium dioxide has the advantages of good whiteness, high covering power, good weather resistance, heat resistance and light resistance, good dispersibility and fluidity in an aqueous system and the like.
The diatomaceous earth is preferably Japanese Showa Radiolite F. Diatomaceous earth is formed by the remains of diatoms deposited from unicellular aquatic plants. The diatom of the unicellular aquatic plant can absorb free silicon in water to form bone skeletons, and after the life of the diatom of the unicellular aquatic plant is finished, the bone skeletons are deposited to form a diatomite ore bed under certain geological conditions. It has some unique properties such as porosity, lower density, greater specific surface area, relative incompressibility, and chemical stability. The indoor and outdoor paint and finishing material produced with diatomite has no harmful chemical matter and has also the function of improving living environment. It can eliminate peculiar smell for a long time, absorb and decompose harmful chemical substances, and can keep indoor wall surfaces clean for a long time.
The natural lacquer emulsion is preferably a product produced by the institute of Xian raw lacquer, which is a natural resin emulsion and is a coating processed by a white viscous emulsion obtained by cutting the bark of a lacquer tree and flowing out of the bast of the lacquer tree. The paint film has high heat resistance, good durability, good electrical insulation performance, and the characteristics of corrosion resistance, strong acid resistance, strong alkali resistance, solvent resistance, moisture resistance, microorganism resistance, sterilization, good stain resistance and the like. The paint film also has excellent physical and mechanical properties, the paint film is hard, and the hardness (paint film value/glass value) of the paint film reaches 0.65-0.89. The paint film has high wear resistance, bright luster, elegant brightness and strong adhesion.
The plant-based emulsion is preferably DOW AC-866, which is resin prepared from rosin, vegetable oil (such as linseed oil, tung oil, castor oil, etc.), cassava, saccharide, starch, natural latex, plant fiber, etc. The plant-based emulsion has considerable contribution to reducing the dependence on petroleum, reducing carbon emission, reducing greenhouse effect and promoting the sustainable development of the coating industry. Meanwhile, the odor of the plant-based emulsion is lower, so that the coating formula can realize the function of purifying formaldehyde, the formaldehyde purifying efficiency can reach more than 80% (meeting the JC/T1074-2008 standard requirement), the indoor air quality can be effectively improved, and the safe and healthy living environment can be constructed.
The tea tree essential oil is preferably a Australian poli product, is an extract of tea trees, has the effects of sterilizing and diminishing inflammation, astringing pores, treating cold, cough, rhinitis and asthma, improving dysmenorrheal, irregular menstruation, genital infection and the like, is suitable for oily and acne skin, can treat suppurative wounds, burns, sunburn, hongkong feet and dandruff, enables the head to be clear, recovers vitality and resists depression. The main chemical components of the composition are p-menthene (terpinene), terpineol (pinene), limonene (limone), cineol (cineole), terpineol (terpineol) and anisic acid (cumene). The tea tree essential oil is transparent in color and extremely low in viscosity, can volatilize within 24 hours if being dripped on the surface of an object, does not leave any trace, has no stimulation to general skin, has fresh smell and has a certain air purification function.
The orange essential oil is preferably a Australian poli product, has delicate and elegant sweet taste, and has a little faint flower fragrance besides the unique orange peel flavor. The smell of the spice has the function of refreshing, is usually used for calming and supporting depression and anxiety, has almost no stimulation to human bodies, and is a pure natural mild spice.
The photocatalyst is anatase TiO2。
The preferable photocatalyst can generate substances with strong oxidizing property (such as hydroxyl free radicals, oxygen and the like) under the irradiation of light, can be used for decomposing organic compounds, partial inorganic compounds, bacteria, viruses and the like, can effectively degrade toxic and harmful gases in the air such as formaldehyde and the like, and can efficiently purify the air; meanwhile, various bacteria can be effectively killed, and toxin released by the bacteria or fungi can be decomposed and harmlessly treated.
The mesh number of the triple superphosphate is 1200 meshes and 1300 meshes.
The preferable mesh of the coarse whiting is prepared by grinding natural carbonate minerals such as calcite, marble and limestone, is a common powdery inorganic filler, and has the advantages of high chemical purity, high inertia, difficult chemical reaction, good thermal stability, no decomposition at the temperature of below 400 ℃, high whiteness, low oil absorption rate, low refractive index, softness, dryness, no crystal water, low hardness, small abrasion value, no toxicity, no odor, good dispersibility and the like.
The dispersant is sodium acrylate dispersant.
The preferable dispersant has excellent wetting and dispersing characteristics, low foamability, and excellent properties of improving the fluidity of the coating and stabilizing the viscosity of the slurry.
The wetting agent is an acetylene glycol wetting agent.
Preferred wetting agents have a very good anti-cratering effect and improved flowability in aqueous coating systems, high performance, good recoatability and additionally a flow-promoting action.
The defoaming agent is a plant-based soybean oil defoaming agent.
The preferred defoamer is a soy oil as a 100% active vegetable oil based foam control agent that has high performance, fast foam suppression characteristics when applied to coatings. It can be added in any production process step and exhibits good defoaming properties even after long-term storage. It also has good compatibility, does not interfere with the appearance of the paint film, and is free of VOC and APEO.
The viscosity of the guar gum is 26000-30000, and the viscosity of the xanthan gum is 58000-62000.
If the viscosity is too high, the fluidity is poor, and if the viscosity is too low, the system is prone to sedimentation, so medium viscosity guar and xanthan are the most suitable for matching.
The titanium dioxide is rutile type titanium dioxide.
The optimized rutile type titanium dioxide is white powder, is insoluble in water, has no physiological toxicity and stable chemical performance, has excellent pigment performance after being coated with silicon, aluminum and zirconium and organically treated, and has good whiteness, brightness, luster, covering power, decoloring power and fluidity, and excellent weather resistance and chalking resistance.
The water is preferably purified water.
The preparation method of the natural plant interior wall coating mainly comprises the following steps of sequentially carrying out:
(1) starting a dispersion stirrer, regulating the stirring speed to be 300-500r/min, sequentially adding water accounting for 80-97.08% of the total weight of the dispersion stirrer, a dispersing agent, a wetting agent, a defoaming agent accounting for 30.77-66.67% of the total weight of the dispersion stirrer, guar gum and xanthan gum into a stirrer container, and uniformly mixing and stirring;
(2) increasing the stirring speed to 500-700r/min, sequentially adding titanium dioxide, heavy calcium carbonate, diatomite, natural lacquer emulsion and plant-based emulsion into the mixture obtained in the step (1), and dispersing and stirring until the fineness of the mixture is less than or equal to 50 mu m;
(3) and (3) keeping the stirring speed of 500-700r/min, sequentially adding tea tree essential oil, orange essential oil, the rest antifoaming agent, photocatalyst and the rest water into the mixture obtained in the step (2), and stirring for at least 10 minutes to obtain the natural plant interior wall coating.
The natural plant interior wall coating material not only adopts green and natural raw materials, but also has simple preparation method, easy operation and favorable popularization.
The dispersing agent, the wetting agent, the defoaming agent, the guar gum, the xanthan gum, the titanium dioxide, the heavy calcium carbonate, the diatomite, the lacquer emulsion, the plant-based emulsion and the photocatalyst are filtered by a 78-82 mesh filter screen before being mixed.
The natural plant interior wall coating is prepared by filtering and mixing the raw materials, and the overall performance of the coating can be improved.
When the coating is used, the viscosity of the coating stock solution is controlled to be 100-120KU by mixing water.
Compared with the prior art, the method has the following advantages:
1) the natural plant interior wall coating is compounded by adopting the natural lacquer emulsion and the plant-based emulsion, and under the assistance of other preferable components and dosage proportion thereof, the natural plant interior wall coating has the advantages of good environmental protection, high drying speed of a paint film, high hardness, good wear resistance, scrub resistance which can reach more than 20000 times, and the photocatalyst enables the coating to be antibacterial and odorless. Due to the addition of the tea tree essential oil and the orange essential oil, the paint can have antibacterial property and corrosion resistance without additionally adding a bactericide and a preservative on the premise of environmental protection;
2) the preparation method of the natural plant interior wall coating is simple, easy to operate and beneficial to popularization.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the embodiments of the specification.
Example 1
The invention relates to a natural plant interior wall coating which is mainly prepared from the following components in parts by weight: 220 portions of water
3 portions of dispersant
Wetting agent 3 parts
Defoaming agent 6 parts
Guar gum 3 parts
Xanthan gum 4 parts
280 parts of titanium dioxide
80 portions of coarse whiting
80 portions of diatomite
280 parts of natural lacquer emulsion
80 parts of plant-based emulsion
Tea tree essential oil 18 parts
21 parts of orange essential oil
30 parts of photocatalyst.
The photocatalyst is anatase TiO2。
The mesh number of the heavy calcium carbonate is 1250 meshes.
The dispersant is sodium acrylate dispersant.
The wetting agent is an acetylene glycol wetting agent.
The defoaming agent is a plant-based soybean oil defoaming agent.
The viscosity of the guar gum was 28000 and the viscosity of the xanthan gum was 60000.
The titanium dioxide is rutile type titanium dioxide.
The preparation method of the natural plant interior wall coating mainly comprises the following steps of sequentially carrying out:
(1) starting a dispersion stirrer, regulating the stirring speed to 400r/min, sequentially adding water accounting for 90 percent of the total weight of the dispersion stirrer, a dispersing agent, a wetting agent, a defoaming agent accounting for 40 percent of the total weight of the dispersion stirrer, guar gum and xanthan gum into a container of the stirrer, and uniformly mixing and stirring;
(2) increasing the stirring speed to 600r/min, sequentially adding titanium dioxide, heavy calcium carbonate, diatomite, natural lacquer emulsion and plant-based emulsion into the mixture obtained in the step (1), and dispersing and stirring until the fineness of the mixture is 50 mu m;
(3) and (3) keeping the stirring speed of 600r/min, sequentially adding tea tree essential oil, orange essential oil, the rest of defoaming agent, photocatalyst and the rest of water into the mixture obtained in the step (2), and stirring for 10 minutes to obtain the natural plant interior wall coating.
The dispersing agent, the wetting agent, the defoaming agent, the guar gum, the xanthan gum, the titanium dioxide, the heavy calcium carbonate, the diatomite, the lacquer emulsion, the plant-based emulsion and the photocatalyst are filtered by a 80-mesh filter screen before being mixed.
Example 2
The invention relates to a natural plant interior wall coating which is mainly prepared from the following components in parts by weight: 210 portions of water
4 portions of dispersant
Wetting agent 2 parts
8.5 portions of defoaming agent
2 portions of guar gum
Xanthan gum 5 parts
Titanium dioxide 200 parts
100 portions of heavy calcium carbonate
25 portions of diatomite
Natural lacquer emulsion 300 parts
50 parts of plant-based emulsion
Tea tree essential oil 20 parts
15 parts of orange essential oil
50 parts of photocatalyst.
The photocatalyst is anatase TiO2。
The mesh number of the coarse whiting is 1200 meshes.
The dispersant is sodium acrylate dispersant.
The wetting agent is an acetylene glycol wetting agent.
The defoaming agent is a plant-based soybean oil defoaming agent.
The viscosity of the guar gum is 30000 and the viscosity of the xanthan gum is 58000.
The titanium dioxide is rutile type titanium dioxide.
The preparation method of the natural plant interior wall coating mainly comprises the following steps of sequentially carrying out:
(1) starting a dispersion stirrer, regulating the stirring speed to 300r/min, sequentially adding 97.08% of water, a dispersing agent, a wetting agent, 30.77% of a defoaming agent, guar gum and xanthan gum into a stirrer container, and uniformly mixing and stirring;
(2) increasing the stirring speed to 500r/min, sequentially adding titanium dioxide, heavy calcium carbonate, diatomite, natural lacquer emulsion and plant-based emulsion into the mixture obtained in the step (1), and dispersing and stirring until the fineness of the mixture is 40 mu m;
(3) and (3) keeping the stirring speed of 500r/min, sequentially adding tea tree essential oil, orange essential oil, the rest of defoaming agent, photocatalyst and the rest of water into the mixture obtained in the step (2), and stirring for 18 minutes to obtain the natural plant interior wall coating.
The dispersing agent, the wetting agent, the defoaming agent, the guar gum, the xanthan gum, the titanium dioxide, the heavy calcium carbonate, the diatomite, the lacquer emulsion, the plant-based emulsion and the photocatalyst are filtered by a 78-82 mesh filter screen before being mixed.
Example 3
The invention relates to a natural plant interior wall coating which is mainly prepared from the following components in parts by weight: 382 parts of water
Dispersant 2 parts
Wetting agent 4 parts
Defoaming agent 4 parts
Guar gum 5 parts
Xanthan gum 3 parts
300 portions of titanium dioxide
30 portions of heavy calcium
100 portions of diatomite
Natural lacquer emulsion 200 parts
100 portions of plant-based emulsion
Tea tree essential oil 10 parts
30 parts of orange essential oil
20 parts of photocatalyst.
The photocatalyst is anatase TiO2。
The mesh number of the coarse whiting is 1300 meshes.
The dispersant is sodium acrylate dispersant.
The wetting agent is an acetylene glycol wetting agent.
The defoaming agent is a plant-based soybean oil defoaming agent.
The viscosity of the guar gum is 26000 and the viscosity of the xanthan gum is 62000.
The titanium dioxide is rutile type titanium dioxide.
The preparation method of the natural plant interior wall coating mainly comprises the following steps of sequentially carrying out:
(1) starting a dispersion stirrer, regulating the stirring speed to 500r/min, sequentially adding water accounting for 80 percent of the total weight of the dispersion stirrer, a dispersing agent, a wetting agent, a defoaming agent accounting for 66.67 percent of the total weight of the dispersion stirrer, guar gum and xanthan gum into a stirrer container, and uniformly mixing and stirring;
(2) increasing the stirring speed to 700r/min, sequentially adding titanium dioxide, heavy calcium carbonate, diatomite, natural lacquer emulsion and plant-based emulsion into the mixture obtained in the step (1), and dispersing and stirring until the fineness of the mixture is 30 mu m;
(3) and (3) keeping the stirring speed of 700r/min, sequentially adding tea tree essential oil, orange essential oil, the rest of defoaming agent, photocatalyst and the rest of water into the mixture obtained in the step (2), and stirring for 16 minutes to obtain the natural plant interior wall coating.
The dispersing agent, the wetting agent, the defoaming agent, the guar gum, the xanthan gum, the titanium dioxide, the heavy calcium carbonate, the diatomite, the lacquer emulsion, the plant-based emulsion and the photocatalyst are filtered by a 78-82 mesh filter screen before being mixed.
Raw material producer information referred to in each example:
sodium acrylate salt: BASF;
acetylenic diol wetting agents: clainn;
vegetable-based soybean oil antifoaming agent: yam lan AV 1425;
guar (viscosity 28000): chemical industry of Australia run;
xanthan gum (viscosity 60000): australian chemistry HY-6;
titanium dioxide: python R-996;
triple superphosphate (1250 mesh): wide source;
diatomite: showa, RADIOLITE F;
natural lacquer emulsion: the institute for Xian Sheng Qi, QJ-1000;
plant-based emulsion: DOW, AC-866;
tea tree essential oil: australian Poli, premium grade purity;
orange essential oil: australian Poli, premium grade purity;
photocatalyst: taiwan central Asia, anatase type TiO2。
Experimental data:
environmental protection performance detection
The detection method comprises the following steps: refer to HJ 2537-2014 environmental marking product technical requirement waterborne coating
TABLE 1 test results of environmental protection Properties of the examples
Second, other Performance testing
The detection method comprises the following steps: reference GB/T9756-2018 synthetic resin emulsion interior wall coating
Table 2 results of other property measurements of the examples
Thirdly, the natural plant interior wall coating is compared with the main performance detection results of the products of the same type in the market
The detection method comprises the following steps: the environmental protection performance parameter standard refers to the technical requirements of environmental marking products in aqueous paint HJ 2537-2014; other performance standard parameters refer to GB/T9756-
Control 1: german DF coating
Control 2: finland FL
TABLE 3 comparison of environmental protection performance test results of various examples and commercial products
TABLE 4 comparison of the results of the tests on other properties of the commercial products in each of the examples
The test results show that the natural plant interior wall coating of the embodiments of the application has good environmental protection performance, and the paint film has high drying speed and good weather resistance.
The natural plant interior wall coating and the preparation method thereof according to the present invention are not limited to the above-mentioned examples, and any modification or replacement according to the principle of the present invention should be within the scope of the present invention.
Claims (10)
1. A natural plant interior wall coating is characterized in that: the adhesive is mainly prepared from the following components in parts by weight:
382 portions of water 210-
2-4 parts of dispersant
2-4 parts of wetting agent
4-8.5 parts of defoaming agent
2-5 parts of guar gum
3-5 parts of xanthan gum
Titanium dioxide 200-300 parts
30-100 parts of heavy calcium carbonate
25-100 parts of diatomite
200 portions and 300 portions of natural lacquer emulsion
50-100 parts of plant-based emulsion
10-20 parts of tea tree essential oil
15-30 parts of orange essential oil
20-50 parts of photocatalyst.
2. The natural plant interior wall coating according to claim 1, characterized in that: the photocatalyst is anatase TiO2。
3. The natural plant interior wall coating according to claim 1, characterized in that: the mesh number of the triple superphosphate is 1200 meshes and 1300 meshes.
4. The natural plant interior wall coating according to claim 1, characterized in that: the dispersant is sodium acrylate dispersant.
5. The natural plant interior wall coating according to claim 1, characterized in that: the wetting agent is an acetylene glycol wetting agent.
6. The natural plant interior wall coating according to claim 1, characterized in that: the defoaming agent is a plant-based soybean oil defoaming agent.
7. The natural plant interior wall coating according to claim 1, characterized in that: the viscosity of the guar gum is 26000-30000, and the viscosity of the xanthan gum is 58000-62000.
8. The natural plant interior wall coating according to claim 1, characterized in that: the titanium dioxide is rutile type titanium dioxide.
9. The method for preparing a natural plant interior wall coating according to any one of claims 1 to 8, wherein: mainly comprises the following steps which are carried out in sequence:
(1) starting a dispersion stirrer, regulating the stirring speed to be 300-500r/min, sequentially adding water accounting for 80-97.08% of the total weight of the dispersion stirrer, a dispersing agent, a wetting agent, a defoaming agent accounting for 30.77-66.67% of the total weight of the dispersion stirrer, guar gum and xanthan gum into a stirrer container, and uniformly mixing and stirring;
(2) increasing the stirring speed to 500-700r/min, sequentially adding titanium dioxide, heavy calcium carbonate, diatomite, natural lacquer emulsion and plant-based emulsion into the mixture obtained in the step (1), and dispersing and stirring until the fineness of the mixture is less than or equal to 50 mu m;
(3) and (3) keeping the stirring speed of 500-700r/min, sequentially adding tea tree essential oil, orange essential oil, the rest antifoaming agent, photocatalyst and the rest water into the mixture obtained in the step (2), and stirring for at least 10 minutes to obtain the natural plant interior wall coating.
10. The method for preparing a natural plant interior wall coating according to claim 9, wherein: the dispersing agent, the wetting agent, the defoaming agent, the guar gum, the xanthan gum, the titanium dioxide, the heavy calcium carbonate, the diatomite, the lacquer emulsion, the plant-based emulsion and the photocatalyst are filtered by a 78-82 mesh filter screen before being mixed.
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| CN113845793A (en) * | 2021-10-08 | 2021-12-28 | 河北三棵树涂料有限公司 | Slow-release mildew-proof coating and preparation method thereof |
| CN114015274A (en) * | 2021-12-02 | 2022-02-08 | 三棵树(上海)新材料研究有限公司 | Low-VOC reversible temperature-sensitive color-changing interior wall coating and preparation method thereof |
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