CN114574057A - Environment-friendly sound-insulation doodling-prevention washing-resistant children room coating and preparation method thereof - Google Patents
Environment-friendly sound-insulation doodling-prevention washing-resistant children room coating and preparation method thereof Download PDFInfo
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- CN114574057A CN114574057A CN202210114539.4A CN202210114539A CN114574057A CN 114574057 A CN114574057 A CN 114574057A CN 202210114539 A CN202210114539 A CN 202210114539A CN 114574057 A CN114574057 A CN 114574057A
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- 235000012239 silicon dioxide Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 229910052712 strontium Inorganic materials 0.000 description 1
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Classifications
-
- 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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the field of coatings, and discloses an environment-friendly sound-insulation doodling-prevention washing-resistant children room coating which comprises the following components in parts by weight: 300 parts of polymer emulsion 260-containing material, 1-5 parts of hydroxyethyl cellulose, 250 parts of diatomite 180-containing material, 10-25 parts of antifreezing agent, 2-6 parts of anti-doodling auxiliary agent, 15-22 parts of film forming aid, 1-5 parts of thickening agent, 1-5 parts of flatting agent, 4-8 parts of wetting dispersant, 1-5 parts of defoaming agent, 50-80 parts of herbaceous plant fiber, 160 parts of pigment 100-containing material, 50-80 parts of other fillers, 60-80 parts of fluid aerogel and 320 parts of special mineral water 260-containing material; the PVC/CPVC of the coating is 1.1-1.3. The interior wall coating formula system uses Bama alkalescent water, and does not add a PH regulator, so that the interior wall coating is healthy, environment-friendly and safe, and saves the cost; the coating has the advantages of easy construction, low construction cost, convenient recoating and repairing, soft, fine, smooth, uniform and colorful texture of the coating, strong cohesiveness with a substrate, good washing resistance, good scrawling and stain resistance, sound insulation and noise reduction effects of more than 38 decibels, and is particularly suitable for children room decoration.
Description
Technical Field
The invention relates to the technical field of paint coatings, in particular to an environment-friendly sound-insulation doodling-prevention washing-resistant coating for a children room and a preparation method thereof.
Background
In the modern society, the concept of environmental protection and health has been deeply into the mind of every consumer. People attach importance to environmental protection and pay attention to their health, the environmental protection and safety are put in the first place when purchasing any product, and meanwhile, the functional properties such as sound insulation, heat insulation, sterilization, mildew prevention, virus resistance, doodling prevention, health preservation and the like are also taken into consideration when purchasing the coating; noise can easily damage auditory organs, so that hearing is reduced or lost, and the noise can also influence the intelligence development of children. In addition, one characteristic of the children's houses is that children have the personality of good moving and doodling, like to doodling randomly on the walls of the houses at will, especially some paintbrushes contain harmful components, substances dispersed in the closed houses can also cause harm to the bodies of the children, the bodies are difficult to clean and clean after doodling, the damage to the walls is easy to cause, and the house becomes a headache in home, and the CN202110820966.X discloses an anti-doodling exterior wall coating which is mainly used for decorating the exterior walls of buildings and is not suitable for decorating the interior walls.
The functional negative ion latex paint in the market at present is basically added with negative ion powder containing rare earth elements or some nonmetallic minerals to release negative ions. The diatomite is siliceous sedimentary rock with biological causes, consists of remains of ancient diatoms, is formed by depositing the remains after death of unicellular aquatic plant algae which are commonly called diatoms, belongs to a natural green environment-friendly raw material, can continuously release negative oxygen ions, does not contain any harmful heavy metal and other harmful components, and has the environmental protection advantage of replacing metal type negative ion powder in the coating industry. The sprayable diatom ooze air purification type interior wall decoration material product in the authorization notice number CN102424543B is powdery, tap water is required to be mixed and stirred during construction, the redispersible rubber powder can release harmful substances such as VOC, formaldehyde and the like again after being dispersed in water, and theoretical and example explanations are too simple. For another example, CN103709870A discloses a breathable and moisture-adjustable diatom coating for interior walls, which also contains synthetic emulsion or resin, diatomaceous earth. However, the adsorption and negative ion release functions of diatomite in the patent products are hindered, the scrubbing resistance of the emulsion paint and the air permeability of a coating film are difficult to be compatible, in addition, corrosive and irritant materials such as ammonia water and hydrochloric acid are also adopted as pH regulators, the environmental protection and safety are poor, and the function of the diatomite material for adsorbing formaldehyde is questioned.
At present, various patent products only aim at single function sound insulation, or only aim at releasing negative ions and the like, and a paint product which has good sound insulation and negative ion air purification effects and can not be applied to decoration of a children room is not yet provided, so that the market urgently needs a functional water-based paint for the children room, which has the advantages of simple construction, water resistance of paint film, compatibility of scrubbing resistance and air permeability, sound insulation, noise influence reduction, and toxic and harmful gas adsorption, and has the effects of sound insulation, noise reduction and doodling prevention, so that teenagers and children are not influenced by external noise in the room, and safe study and comfortable rest are ensured.
Disclosure of Invention
The invention aims to provide an environment-friendly sound-insulation doodling-prevention washing-resistant coating for a children room, which is specially used for decoration of the children room, has the functions of preventing children from doodling after decoration is finished, releasing negative oxygen ions, neutralizing, adsorbing and decomposing indoor toxic and harmful substances, adjusting the room humidity, generating a medical effect and simultaneously having sound-insulation and noise-reduction effects.
The invention also aims to provide a preparation method of the environment-friendly sound-insulation doodling-prevention washing-resistant children room coating, which is simple in processing technology and suitable for large-scale industrial production.
The invention also aims to provide the application of the environment-friendly sound-insulation doodling-prevention washing-resistant children room coating in children room decoration, so that the decoration quality and quality are improved.
The synthetic resin emulsion paint has the advantages of simple construction, random proportioning and color mixing according to the will after being bought in the market, manual coating by using tools such as a roller brush and the like, good DIY performance, soft, warm, uniform and colorful coating film after construction, good covering power, good adhesive force and good washing resistance. At present, various patent products only aim at single-function sound insulation or only aim at releasing negative ions and the like, and the functions of sound insulation, negative ion release, air purification and room humidity regulation are not combined together and applied to the decoration of a children room, so that the market urgently needs a functional water-based paint for the children room, which has the advantages of simple construction, water resistance of a coating film, compatibility of scrubbing resistance and air permeability, sound insulation, noise influence reduction, and toxic and harmful gas adsorption.
The invention aims to solve the problems, and provides the paint which has the advantages of washing resistance, standard other comprehensive performances, and capability of ensuring the air permeability of diatomite in a coating film, further enabling the diatomite to release negative oxygen ions, adsorb indoor toxic and harmful substances, adjusting the room humidity, simultaneously having the effects of sound insulation, noise reduction and doodling prevention, enabling teenagers and children not to be influenced and interfered by external noise in the room, and ensuring safe learning and comfortable rest. The invention specifically adopts the following technical scheme:
the invention provides an environment-friendly sound-insulation doodling-prevention washing-resistant children room coating which comprises the following components in parts by weight: 300 parts of polymer emulsion 260-one, 1-5 parts of hydroxyethyl cellulose, 250 parts of diatomite 180-one, 10-25 parts of antifreeze, 15-22 parts of film-forming aid, 1-5 parts of thickener, 1-5 parts of flatting agent, 4-8 parts of wetting dispersant, 1-5 parts of defoamer, 50-80 parts of herbaceous plant fiber, 160 parts of pigment 100-one, 50-80 parts of other fillers, 60-80 parts of fluid aerogel and 320 parts of special mineral water 260-one; the PVC/CPVC of the children's room coating is 1.1-1.3.
Pigment volume concentration pvc (pigment volume concentration), i.e., the volume occupied by pigment and filler in the dry film of the coating, reflects the volume ratio of pigment to filler to binder (resin). Critical pigment volume concentration CPVC (critical pigment volume concentration), is the pigment volume concentration at which the pigment filler is just coated with the base. The lower the PVC value is, the more the base material (resin) is, when the PVC/CPVC is less than or equal to 1, a paint film is formed to be compact and have no pore, the water resistance and the scrubbing resistance of the paint film are good, but the air permeability of the paint film is poor, and the continuous negative ion release and adsorption decomposition functions of the diatom material are influenced. Through continuous practice, research and test, the PVC/CPVC of the coating is 1.1-1.3, the washing resistance and the air permeability of the coating product reach the optimal balance, the washing resistance and other performances of the coating are ensured to reach the standard, the reasonable air permeability of the diatom material in the coating film can be ensured, and the functions of continuously releasing negative oxygen ions, absorbing and adjusting the room humidity of the diatom material in the coating are not influenced.
The polymer emulsion can be organic silicon modified hydroxy acrylic emulsion and polysiloxane emulsion, preferably styrene-acrylic emulsion or silicone-acrylic emulsion of Basff company, namely organic silicon modified acrylate emulsion. The organic silicon modified acrylate emulsion integrates the advantages of acrylate and organic emulsion silicon emulsion, and has the characteristics of fine particle size, proper viscosity, hard paint film, alkali resistance, scrub resistance, good calcium ion stability, high bonding strength, strong adhesive force, good filler bearing capacity, good pigment color development, various good stabilities, good stability and the like. The corresponding emulsion coating has good chemical resistance, scrubbing resistance and leveling property, has excellent stain resistance, water resistance and other characteristics, is environment-friendly and nontoxic, and does not contain VOC and formaldehyde.
The diatomite is a natural aquatic plant formed by deposition of diatom, which is an aquatic plankton living millions of years ago, and has an outstanding molecular sieve structure, the density of the diatomite is 1.9-2.3g/cm3, the bulk density is 0.34-0.65g/cm3, the specific surface area is 40-65 square meters/g, and the pore volume is 0.45-0.98m3The water absorption rate is 2-4 times of the self volume, the melting point is 1650C-1750 ℃, and a special porous structure can be observed under an electron microscope. Therefore, the composite material has the unique functions of extremely strong physical adsorption performance and ion exchange performance. Can absorb and decompose substances causing allergy to human body, and has medical effect. The absorption and release of the water by the diatomite can generate a waterfall effect, and water molecules are decomposed into positive and negative ions. The water molecules are wrapped to form positive and negative ion groups, and then the water molecules are used as carriers and float around in the air, so that the sterilization function is realized. When the positive and negative ion groups floating everywhere in the air meet allergic substances and other harmful substances such as bacteria and mold, the ions can be immediately surrounded and isolated. Then, the most active hydroxyl ions in the positive and negative ion groups undergo a violent chemical reaction with these harmful substances, and finally they are completely decomposed into harmless substances such as water molecules. Meanwhile, the diatomite has the function of automatically adjusting the indoor humidity. The diatomite contains silicic acid as main component, has properties of microfiber and porous, and has ultramicropores smaller than charcoalMore than 5000 to 6000 times. When the indoor humidity rises, the ultramicropores on the diatomite 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 diatomite wall material also has the function of eliminating peculiar smell and keeps the indoor clean. Research and experimental results show that the diatomite can play the role of a deodorant. If titanium oxide is added into diatomite to prepare the composite material, peculiar smell can be eliminated, harmful chemical substances can be absorbed and decomposed for a long time, the indoor wall surface can be kept clean for a long time, the wall cannot be yellowed even if smokers are at home, and meanwhile, the composite material also has a good sound insulation effect. Preferably, the diatomite contains more than 85% of Changbai mountain diatom, and more preferably, the particle size is 1250 meshes. The diatomite is added into the paint, so that the product has the advantages of simple construction, soft, mild, uniform and colorful coating texture, good covering power, good adhesive force, good water resistance and good washing resistance.
The hydroxyethyl cellulose is a nonionic surfactant and has the functions of thickening, suspending, bonding, floating, film forming, dispersing, water retention and providing protective colloid. The water-retaining capacity of the composite material is doubled compared with that of methyl cellulose, and the composite material has better flow regulation performance; the dispersing ability is the worst compared with the accepted methyl cellulose and hydroxypropyl methyl cellulose, but the protective colloid ability is the strongest; has wide range of solubility, viscosity characteristics, non-thermal gelation; can coexist with other water-soluble polymers, surfactants and salts in a wide range, and is an excellent colloid thickener containing a high-concentration electrolyte solution. The hydroxyethyl cellulose is preferably hydroxyethyl cellulose used in chemical engineering of Feicheng Yutian field. Research tests show that the composite action of the additive and the alkalescent Bama mineral water can effectively improve the dispersion capacity of the hydroxyethyl cellulose, simultaneously can keep other advantages of the hydroxyethyl cellulose and realize the strongest protective colloid capacity; has a wide range of solubility, viscosity characteristics, non-thermal gelling properties; can coexist with other water-soluble polymers, surfactants and salts in a wide range, and is an excellent colloid thickener containing a high-concentration electrolyte solution.
The plant fiber is seaweed plant fiber, natural zostera marina and shrimp-shaped algae are used as raw materials, high temperature of over 1200 ℃ is adopted, micropores of seaweed naturally are more refined and honeycombed through a new calcining process and a new technology of pure oxygen high temperature and nitrogen blocking delay, and then the seaweed naturally and polyester with a honeycomb micropore structure trend are modified to form natural plant materials. Preferred is a seaweed fiber material obtained by carbonizing seaweed selected from the south China sea through a special process.
The fluid aerogel is a nanoscale porous solid material formed by replacing a liquid phase in gel with gas by a certain drying mode through a sol-gel method, the fine nano-porous network structure of the aerogel and the fine nano-network structure of the silicon aerogel with a huge specific surface area effectively limit the transmission of local sound, and the solid sound conductivity of the fluid aerogel is 2-3 orders of magnitude lower than that of the corresponding glassy material. The nanopores suppress the contribution of gas molecules to sound conduction. Aerogel is an excellent sound insulator, the proportion of the components of air in the aerogel is at least more than 99.8 percent, and the aerogel has good low sound velocity characteristic and is an ideal acoustic delay and sound insulation material. However, the nano-aerogel powder is sold on the market, and because of the characteristics of ultra-light weight and the like, the nano-aerogel powder cannot be directly added into the coating, and needs to be emulsified into the fluid aerogel by adopting a special process. The ultrasonic emulsification method for preparing the fluid aerogel is obtained through continuous research and development tests of the company: controlling the weight ratio of cellulose to water to be 1:40-49 under ultrasonic wave, dissolving hydroxyethyl cellulose in water, forming colorless transparent colloid under the ultrasonic power of 200W to prepare an aerogel wall material, and performing ultrasonic emulsification for 50-60min at the temperature of 45-55 ℃ under the condition that the mass ratio of aerogel to wall material, m, is 1:2-4.5 to obtain the nanoscale fluid aerogel.
In the preferred sound insulation material, the sound insulation principle is nano fluid herbaceous plant fibers which have a highly developed pore structure, have a huge surface area and have extremely strong sound absorption and damping effects on noise, while the fine nano porous network structure and the huge specific surface area of the aerogel can effectively limit the transmission of local sound, mainly play a role in damping sound, the aerogel material plays a role in damping and absorbing sound on the surface of the inner wall coating (because the light weight is easier to be arranged on the outer layer of the coating), the fluid plant seaweed fiber glue mainly absorbs un-damped sound on the lower layer of the coating of the inner wall coating, and the two materials reinforce each other and finally achieve the sound insulation effect of 1+1 & gt 2.
The filler may be any of various conventional fillers. Preferably, the calcium carbonate is selected from one or more of kaolin, light calcium carbonate, heavy calcium carbonate and talcum powder. Wherein, 30 to 60 weight portions of kaolin, 30 to 60 weight portions of calcium carbonate and 30 to 60 weight portions of talcum powder are preferred.
Preferably, the wetting dispersant is BYK-192 produced by BYK company, and the wetting dispersant is specially used for water-based paint and has the effects of reducing surface tension, wetting a substrate and dispersing color paint for the water-based paint.
The film-forming additive is environment-friendly film-forming additive ester alcohol 12 provided by Istmann Teanol. The auxiliary agent is a particularly excellent coalescing auxiliary agent, is a film forming auxiliary agent of the emulsion, is a good solvent of the polymerized emulsion, and can effectively reduce the minimum film forming temperature of the polymerized emulsion. The auxiliary agent has certain volatility, is retained in a coating film in the film forming process to play a film forming role, is completely volatilized after film forming, and does not remain in a dry film, so that the performance of the coating film is not influenced. The paint has low solubility with water, does not influence the stability of a polymerization emulsion after being added for use, but can obviously improve the film forming performance of a coating film, improve the weather resistance, the abrasion resistance, the pollution resistance and the chemical resistance of the coating film and improve the color development of the coating film.
The leveling agent is preferably BYK-375 of Pico chemistry, which is particularly suitable for aqueous systems with low cosolvent content and has good compatibility with these systems. It is suitable for cross-linking system through the reaction of its primary hydroxyl group with base material, and the leveling agent can raise smoothness, solvent resistance, weather resistance and less dust accumulation. Compared with standard non-reactive silicones, the auxiliary, due to its reactive groups, crosslinks with the paint film, which is more durable in the paint system, significantly reduces surface tension, at the same time enhances substrate wetting, which in turn enhances flow and leveling, and prevents the formation of benard vortices.
According to the conditions of the using areas of products, an antifreezing agent can be selected, for example, in areas of Hainan, Xiamen, Zhangzhou and the like where low temperature does not appear in south all the year round), the antifreezing agent can be omitted, and the antifreezing agent is required to be added for products which need to be stored in north in winter, and the antifreezing agent is preferably propylene glycol, so that the antifreezing agent is environment-friendly and has high cost performance. The thickener is preferably 2020NPR nonionic polyurethane associated type produced by Rohm and Haas company, plays a role in high-efficiency medium shear thickening, promotes flow leveling property and provides good paint film fullness.
The defoamer is preferably BYK-022 of Pico chemistry, is an organosilicon defoamer for water-based coatings, is extremely effective in the production and application of water-based coatings, and has no influence on color acceptance and gloss. At the time of addition, a sufficiently high shear force was required to avoid shrinkage cavities, achieved by high speed stirring at 2000 rpm. The defoaming agent has excellent long-term stability, extremely effective to microbubbles, no VOC and high environmental protection.
The thickening agent is preferably 2020NPR nonionic polyurethane associated type produced by Rohm and Haas company, can efficiently shear and thicken in the middle, promotes flow leveling property, and provides good paint film fullness appearance.
The anti-doodling auxiliary agent is a reactive organic silicon auxiliary agent and can directly participate in the curing of a film-forming substance so as to obtain a permanent anti-doodling effect, and the reactive organic silicon anti-doodling auxiliary agent 2372 of Shanghai Tiger Polymer technology Limited company is preferably selected.
The combination of the addition of the various auxiliary agents can improve and strengthen the physicochemical function of the coating film of the coating.
The special mineral water is weak alkaline Bama mineral drinking water which is taken from weak alkaline Bama Guangxi. From Guangxi, the water belongs to small molecular group water, the pH value is generally between 7.2 and 8.5, and the water is alkalescent and is close to the pH value of human blood. The Bama water system is developed, the underground river is densely distributed, and the mountain spring water and the underground water are mineralized due to repeated entering and exiting in the underground karst cave, so that the mountain spring water and the underground water contain abundant mineral substances, such as manganese, strontium, metasilicic acid, zinc, selenium and the like. The balance of minerals and trace elements in the bama water is a longevity gene, and simultaneously, because cellulose, pigments and fillers in a coating system need to be pre-dispersed in an alkaline medium, the traditional tap water is normally weak acid (southern regions), is not suitable for coating water, needs to be additionally added with a pH regulator to adjust the pH regulator to be alkalescent, directly uses the alkalescent bama water as the coating water, can not be added with the pH regulator (the pH regulator is called as environment-friendly type, but finally contains part of organic solvent or ammonia substances), saves the cost, and is healthy, environment-friendly and safe. And (5) ensuring. It is called nutrient water. Is particularly suitable for the coating water for children rooms.
In addition, according to the requirements of different properties of the novel biological sound-insulation diatom scrawling-preventing wash-resistant children room product, other substances can be added. For example, in order to obtain products with different colors, different pigments can be added, and the environment-friendly inorganic composite medium yellow paste, the environment-friendly inorganic white paste and the environment-friendly inorganic composite titanium phthalocyanine blue paste are preferably color pastes prepared in advance by Ju scientific and technological Co., Ltd, Hunan province.
Then adding 15-30 parts by weight of environment-friendly inorganic white slurry to form the novel biological sound-insulation diatom scrawling-preventing washout-resistant white paint special for the children's room; 15-30 parts by weight of environment-friendly inorganic composite yellow slurry is added to form yellow paint; and then 15-25 parts by weight of environment-friendly inorganic composite phthalocyanine blue color paste is added to form the blue paint.
According to the length of the service time of the environment-friendly sound-insulation doodling-prevention washing-resistant children room coating product, whether the plant tea tree sterilization essential oil is added or not can be selected, and if the product is directly used in a week, the plant tea tree sterilization essential oil is not added. After repeated research and test, surprisingly, the tea tree essential oil has a strong inhibition effect of 99.5% on bacteria (staphylococcus aureus and escherichia coli), but has a poor inhibition effect on mold. The inhibition effect of the citronella essential oil on staphylococcus aureus and escherichia coli is not good and only reaches 85.5%, but the inhibition effect on mould is obvious and reaches 98.5%, so that the study proves that the optimal inhibition effect on bacteria and mould can be reached by compounding the tea plant essential oil and the citronella plant essential oil in a ratio of 1: 1. When the using period is longer or the storage time exceeds 10 days, the plant tea tree sterilizing essential oil is added, and the preparation method of the plant sterilizing and mildew-proof essential oil comprises the following steps: 1) Selecting fresh leaves, branches, roots and the like of tea trees, citronella and the like, preferably selecting tea seeds of tea trees, citronella, cleaning, crushing, slicing, quickly dehydrating and drying by infrared radiation heating, and grinding and crushing by a nano grinding production technology to finally obtain nano tea tree and citronella powder with nano particle size; 2) accurately weighing 500g of the nano tea seed and citronella powder in a 2000mL flask, adding 1000mL of boiling water (ensuring the solid-to-liquid ratio to be about 2g/mL) for steam distillation, collecting distillate, extracting the distillate for 3 times by using ether (the volume ratio of the distillate to the ether is 1:1), removing and recovering the ether in a water bath at 55 ℃, and finally adding a proper amount of anhydrous sodium sulfate for dehydration to obtain the plant tea tree essential oil.
The invention also provides a method for preparing the environment-friendly sound-insulation doodling-prevention washing-resistant children room coating, which comprises the following steps: firstly, hydroxyethyl cellulose and a part of weak base bama water are dispersed in advance at a high speed to prepare hydroxyethyl cellulose colloid, 2/3 parts of defoaming agent, wetting dispersant, toner, diatomite and kaolin are added, then the rest of weak base bama water is put into a container for premixing and then stirred at a high speed for dispersion, then silicon acrylic emulsion, fluid herbaceous plant fiber glue, fluid aerogel, film forming auxiliary agent, antifreezing agent, flatting agent, mildew preventive and color paste are added under slow stirring and then stirred at a high speed, and finally the rest of defoaming agent and thickening agent are added to adjust viscosity.
In the preparation step, the hydroxyethyl cellulose colloid is prepared by dispersing hydroxyethyl cellulose and weak alkali bama water at a high speed in advance according to a ratio of 49: 1.
Preferably, the high-speed stirring speed is 1600-; the mixing vessel is preferably a mixing tank; the stirring speed is 600-800 rpm when the polymer emulsion is added, and the stirring time is 5-15 minutes; the final viscosity is preferably 90. + -.2 ku.
As described above, depending on the color of the final product, different pigments may be added, and the pigment may be added simultaneously with other raw materials such as diatomaceous earth. According to the final viscosity of the product, the thickening agent can be added for adjustment according to the requirements of customers.
In addition, the following should be noted in the stirring, grinding and paint mixing process:
1. stirring: a. before material preparation, checking whether a mixing tank is clean or not and whether equipment runs normally or not, and then preparing materials; b. rechecking and confirming according to the pigment, emulsion producing area and specification specified by the formula; c. the raw materials with small amount are weighed by a platform scale, and the weight is accurate to two decimal points and recorded. 2. Grinding and dispersing: a. the sand mill is checked before running to ensure normal running, cleanness and cleanness; b. operating according to the fineness or the times specified by the formula, and when other raw materials need to be added, approving by a technician and recording; c. filtering the ground sand slurry before the ground sand slurry enters the storage tank every time, and introducing cooling water when the sand mill is operated. 3. Paint mixing: a. color paste used for paint mixing needs to be rechecked in variety and fineness, and corresponding emulsion, auxiliary agent and the like need to be supplemented when the color paste exceeds the formula dosage so as to keep the balance of the formula structure; b. after the paint is mixed, the color, viscosity, fineness and the like are checked according to the specification, and a small sample is left and then packaged after the paint is qualified.
The invention has the following beneficial effects:
1. the interior wall coating product is easy to construct, has low construction cost, and is convenient for recoating and repairing; the coating film is soft, fine, mild, uniform, colorful, non-toxic and tasteless, a pH regulator and a preservative are not added in a product system, and the coating film is non-toxic and tasteless, natural, environment-friendly, healthy, environmentally sustainable, strong in adhesion with a substrate and good in DIY (Do it yourself).
2. By adding the diatomite and controlling the PVC/CPVC value of the coating, the washability and air permeability of the final coating product reach the optimal balance, the washability reaches the standard, the washability reaches 1500-5000 times, and the diatomite material in the coating film has good air permeability, so that the diatomite material in the coating continuously releases negative oxygen ions and adjusts the room humidity, and the negative ion release amount of the coating product is 2000 plus 5000 per cm3 through detection.
3. The product has good sound insulation and noise reduction performance by adding the fluid aerosol and the seaweed fiber manufactured by a special process, the two materials are mutually reinforced in a coating system, and finally the sound insulation and noise reduction effects of 1+1 & gt 2 are achieved. Tests show that the sound insulation effect can reach more than 38 decibels at most.
4. By selecting the silicon modified acrylic emulsion with the anti-doodling effect and the anti-doodling auxiliary agent, the product has good washing resistance, good anti-doodling and stain resistance effects and is easy to clean.
5. Functional materials added in the product formula design are all vegetable, belong to natural green environment-friendly products, are not added with a cosolvent containing volatile organic compounds, do not contain heavy metals harmful to human bodies, and the diatomite is used for replacing metal type and rare earth element negative ion additives, so that the product can reach ultralow VOC and has good environmental protection property. Is particularly suitable for the decoration of children rooms.
6. The production process is innovative, the environment-friendly color paste is directly selected, the grinding process is reduced, the energy consumption is reduced, and the production efficiency is improved.
Detailed Description
The present invention will be further clearly understood by the specific examples and comparative examples of the present invention given below, but unnecessary detailed explanation will be omitted. For example, detailed descriptions of already known matters and repetitive descriptions of actually the same configurations may be omitted. This is to avoid unnecessarily obscuring the following description, and to facilitate understanding by those skilled in the art. The following description is provided for those skilled in the art to fully understand the present application, and is not intended to limit the subject matter described in the claims.
Examples (3 kinds) and comparative examples (2 kinds) were prepared as shown in table 1 below. The composition ratios indicated in table 1 indicate that the compositions are described in parts by weight.
TABLE 1 ingredient content table
According to the contents of the ingredients in table 1, examples 1 to 3 and comparative example 2 were prepared to obtain the final product by the following steps: firstly, hydroxyethyl cellulose and weak base bama water are dispersed at a high speed in advance according to a ratio of 49:1 to prepare hydroxyethyl cellulose colloid, a defoaming agent (2/3), a wetting dispersing agent, diatomite, toner and kaolin are added, then the rest weak base bama water is put into a container for premixing and then stirred at a high speed for dispersing, then, a silicon acrylic emulsion, a fluid herbaceous plant fiber glue, a fluid aerogel, a film forming auxiliary agent, an antifreezing agent, a leveling agent, an anti-mildew agent and a color paste material are added under slow stirring and then stirred at a high speed, and finally, the defoaming agent (the rest) and a thickening agent are added to adjust the viscosity.
Preferably, the high-speed stirring speed is 1600-; the mixing vessel is preferably a mixing tank; the stirring speed is 600-800 rpm when the polymer emulsion is added, and the stirring time is 10-15 minutes; the final coating viscosity is preferably 90. + -.2 ku.
According to the requirements of different colors of the final product, different types of pigments can be added, and when the pigments are added, the pigments are added together with other raw materials such as diatomite and the like. According to the final viscosity of the product, a thickening agent can be added for adjustment according to the requirements of customers.
In addition, the following should be noted in the stirring, grinding and paint mixing process:
1. stirring: a. before material preparation, checking whether a mixing tank is clean or not and whether equipment runs normally or not, and then preparing materials; b. Rechecking and confirming according to the pigment, emulsion producing area and specification specified by the formula; c. the raw materials with small amount are weighed by a platform scale, and the weight is accurate to two decimal places and recorded. 2. Grinding and dispersing: a. the sand mill is checked before running to ensure normal running, cleanness and cleanness; b. operating according to the fineness or the times specified by the formula, and when other raw materials need to be added, approving by a technician and recording; c. filtering the ground sand slurry before the ground sand slurry enters the storage tank every time, and introducing cooling water when the sand mill is operated. 3. Paint mixing: a. color paste used for paint mixing needs to be rechecked in variety and fineness, and corresponding emulsion, auxiliary agent and the like need to be supplemented when the color paste exceeds the formula dosage so as to keep the balance of the formula structure; b. after the paint is mixed, the color, viscosity, fineness and the like are checked according to the specification, and a small sample is left and then packaged after the paint is qualified.
According to the contents of the ingredients in table 1, comparative example 1 was prepared to obtain the final product by the following steps: the preparation method of the common white interior wall coating comprises the following steps: firstly dispersing 5 parts of hydroxyethyl cellulose and 245 parts of tap water at a high speed to prepare hydroxyethyl cellulose colloid, then putting 105 parts of tap water, 5 parts of wetting dispersant, 3 parts (part of the total amount) of defoaming agent, 150 parts of anatase titanium dioxide and 350 parts of talcum powder into a container, premixing, stirring and dispersing at a high speed, then grinding in a sand mill until the fineness is 30 mu m, transferring into a mixing container, adding 180 parts of pure acrylic emulsion, 20 parts of film-forming assistant, 15 parts of antifreezing agent, 3 parts of flatting agent and 5 parts of preservative under slow stirring, stirring at a high speed after all the materials are added, and finally adding 2 parts (the other part) of thickening agent and 2 parts of defoaming agent to adjust the viscosity.
The products prepared in the above examples and comparative examples meet the requirements of first-class product detection according to the national standard GB/T9756-.
Table 2 analysis table of test data and results of examples
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. The utility model provides an environmental protection sound insulation is prevented scribbling washery paint, its characterized in that: comprises the following components in parts by weight: 300 parts of polymer emulsion 260-one, 1-5 parts of hydroxyethyl cellulose, 250 parts of diatomite 180-one, 10-25 parts of antifreezing agent, 2-6 parts of anti-doodling auxiliary agent, 15-22 parts of film forming aid, 1-5 parts of thickening agent, 1-5 parts of flatting agent, 4-8 parts of wetting dispersant, 1-5 parts of defoaming agent, 50-80 parts of plant fiber, 160 parts of pigment 100-one, 50-80 parts of other fillers, 60-80 parts of fluid aerogel and 320 parts of special mineral water 260-one; the PVC/CPVC of the children's room coating is 1.1-1.3.
2. The environment-friendly sound-insulation doodling-prevention washing-resistant children's room coating as claimed in claim 1, wherein: the polymer emulsion is organic silicon modified hydroxy acrylic emulsion and polysiloxane emulsion, and styrene-acrylic emulsion or silicone-acrylic emulsion of Bassfer company is adopted, namely organic silicon modified acrylate emulsion; the diatomite has the diatomite content of more than 85 percent and the particle size of 1250 meshes; the hydroxyethyl cellulose is hydroxyethyl cellulose in chemical engineering of the fertile rain field; the anti-doodling auxiliary agent is a reactive organic silicon auxiliary agent 2372 which is a reactive organic silicon anti-doodling auxiliary agent of Shanghai Tiger Polymer technology Limited.
3. The environment-friendly sound-insulation doodling-prevention washing-resistant children's room coating as claimed in claim 1, wherein: the plant fiber is seaweed plant fiber, natural zostera marina and shrimp-shaped algae are used as raw materials, high temperature of more than 1200 ℃ is adopted, calcination is carried out at pure oxygen high temperature and nitrogen gas separation delay time, and the natural plant material is modified by polyester with honeycomb micropore structure trend; the plant fiber is made of seaweed fiber material obtained by carbonizing seaweed selected from the south China sea through a special process.
4. The environment-friendly sound-insulation doodling-prevention washing-resistant children's room coating as claimed in claim 1, wherein: the fluid aerogel is a nanoscale porous solid material formed by replacing a liquid phase in gel with gas in a certain drying mode through a sol-gel method, the weight ratio of cellulose to water is controlled to be 1:40-49 under ultrasonic waves, hydroxyethyl cellulose is dissolved in water, colorless transparent colloid is formed under the ultrasonic power of 200W, an aerogel wall material is prepared, and the nanoscale fluid aerogel is obtained by ultrasonic emulsification for 50-60min at the temperature of 45-55 ℃ under the condition that the mass ratio of aerogel to wall material m is 1: 2-4.5.
5. The environment-friendly sound-insulation doodling-prevention washing-resistant children's room coating as claimed in claim 1, wherein: the filler is one or a combination of a plurality of light calcium carbonate, heavy calcium carbonate and talcum powder; the wetting dispersant is BYK-192 produced by BYK company; the film-forming additive is environment-friendly film-forming additive ester alcohol 12 provided by Istmann Teanol; the leveling agent is BYK-375 of Pico chemistry; the antifreezing agent is propylene glycol; the thickener is 2020NPR nonionic polyurethane associated type produced by Rohm and Haas company; the defoaming agent is BYK-022 of Pico chemistry; the thickener is 2020NPR nonionic polyurethane associated type produced by Rohm and Haas company; the special mineral water is weak alkali Bama mineral drinking water.
6. The environment-friendly sound-insulation doodling-prevention washing-resistant children's room coating as claimed in claim 1, wherein: and one or more pigments of environment-friendly inorganic composite medium yellow paste, environment-friendly inorganic white paste and environment-friendly inorganic composite phthalocyanine blue paste are also added for color matching.
7. The environment-friendly sound-insulation doodling-prevention washing-resistant children's room paint as claimed in any one of claims 1 to 6, wherein: the plant tea tree sterilization and mildew prevention essential oil is also added, and the preparation method of the plant sterilization and mildew prevention essential oil comprises the following steps: 1) cleaning, crushing and slicing fresh leaves, branches and roots of tea trees and citronella, or tea seeds of tea trees and citronella, quickly dehydrating and drying by infrared radiation heating, and grinding and crushing by a nano grinding production technology to finally obtain nano tea tree and citronella powder with nano particle size; 2) accurately weighing 500g of the nano tea seed and citronella powder in a 2000mL flask, adding 1000mL of boiling water (ensuring the solid-to-liquid ratio to be about 2g/mL) for steam distillation, collecting distillate, extracting the distillate for 3 times by using ether (the volume ratio of the distillate to the ether is 1:1), removing and recovering the ether in a water bath at 55 ℃, and finally adding a proper amount of anhydrous sodium sulfate for dehydration to obtain the plant tea tree essential oil.
8. The preparation method of the environment-friendly sound-insulation doodling-prevention washing-resistant children room paint as claimed in any one of claims 1 to 6, wherein the preparation method comprises the following steps: the method comprises the following steps: firstly, hydroxyethyl cellulose and a part of weak base bama water are dispersed in advance at a high speed to prepare hydroxyethyl cellulose colloid, 2/3 parts of defoaming agent, wetting dispersant, toner, diatomite and kaolin are added, then the rest of weak base bama water is put into a container for premixing and then stirred at a high speed for dispersion, then silicon acrylic emulsion, fluid herbaceous plant fiber glue, fluid aerogel, film forming auxiliary agent, antifreezing agent, flatting agent, mildew preventive and color paste are added under slow stirring and then stirred at a high speed, and finally the rest of defoaming agent and thickening agent are added to adjust viscosity.
9. The preparation method of the environment-friendly sound-insulation doodling-prevention washing-resistant children room coating as claimed in claim 8, wherein the preparation method comprises the following steps: the hydroxyethyl cellulose colloid is prepared by dispersing hydroxyethyl cellulose and weak alkali bama water at a high speed in advance according to a ratio of 49: 1.
10. The preparation method of the environment-friendly sound-insulation doodling-prevention washing-resistant children room coating as claimed in claim 8, wherein the preparation method comprises the following steps: the high-speed stirring speed is 1600-2000 rpm, and the time is 20-30 minutes; the mixing container is a mixing tank; the stirring speed is 600-800 rpm when the polymer emulsion is added, and the stirring time is 5-15 minutes; the adjusted viscosity was 90. + -.2 ku.
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| CN202210114539.4A CN114574057A (en) | 2022-01-30 | 2022-01-30 | Environment-friendly sound-insulation doodling-prevention washing-resistant children room coating and preparation method thereof |
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| CN202210114539.4A CN114574057A (en) | 2022-01-30 | 2022-01-30 | Environment-friendly sound-insulation doodling-prevention washing-resistant children room coating and preparation method thereof |
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| CN105176220A (en) * | 2015-10-28 | 2015-12-23 | 漳州三德利油漆涂料有限公司 | Synthetic latex diatom inner wall emulsion paint and preparation method thereof |
| CN105199462A (en) * | 2015-10-28 | 2015-12-30 | 漳州三德利油漆涂料有限公司 | Plant sterilizing insect-repelling functional type inner wall emulsion paint and preparation method thereof |
| WO2019145349A1 (en) * | 2018-01-23 | 2019-08-01 | Worlee-Chemie Gmbh | Binder composition and use thereof |
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| CN105176220A (en) * | 2015-10-28 | 2015-12-23 | 漳州三德利油漆涂料有限公司 | Synthetic latex diatom inner wall emulsion paint and preparation method thereof |
| CN105199462A (en) * | 2015-10-28 | 2015-12-30 | 漳州三德利油漆涂料有限公司 | Plant sterilizing insect-repelling functional type inner wall emulsion paint and preparation method thereof |
| WO2019145349A1 (en) * | 2018-01-23 | 2019-08-01 | Worlee-Chemie Gmbh | Binder composition and use thereof |
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Application publication date: 20220603 |