CN114621680A - Environment-friendly negative ion wall coating dry powder and preparation method thereof - Google Patents
Environment-friendly negative ion wall coating dry powder and preparation method 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
- C09D199/00—Coating compositions based on natural macromolecular compounds or on derivatives thereof, not provided for in groups C09D101/00 - C09D107/00 or C09D189/00 - C09D197/00
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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
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
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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
- 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
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- C08K2003/0806—Silver
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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
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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
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses an environment-friendly negative ion wall coating dry powder and a preparation method thereof, wherein the wall coating dry powder comprises the following raw materials in parts by weight: 300 parts of fiber powder, 200 parts of negative ion material powder, 80-120 parts of water-soluble plant rubber powder, 2-10 parts of softener, 2-10 parts of finishing agent, 3-5 parts of nano photocatalyst powder, 3-10 parts of activated carbon particles and 1-3 parts of nano silver particles. The wall coating dry powder prepared by the invention is rich in negative ions, can continuously release negative ions and far infrared rays, effectively purifies air, eliminates peculiar smell, eliminates toxic and harmful gases and dust suspended in the air, and inhibits bacteria and mould; the active carbon is a porous body, not only has strong adsorption and decomposition, moisture absorption and drying, deodorization and antibacterial effects, but also simultaneously loads the nano photocatalyst and the nano silver to play the synergistic antibacterial effect of the nano photocatalyst and the nano silver, and simultaneously, the active carbon is regenerated under the effect of the nano photocatalyst to recover the adsorption function of the active carbon again, thereby greatly improving the environmental protection value of the wall coating material.
Description
Technical Field
The invention relates to the technical field of building coatings, in particular to environment-friendly negative ion wall coating dry powder and a preparation method thereof.
Background
The wall covering is a third kind of novel interior wall decoration material which appears after interior wall decoration materials such as paint, wallpaper and the like, is prepared by taking natural fibers and artificial synthetic fibers as main raw materials and processing the raw materials through a special scientific process, and has attractive appearance and no harmful volatile substances.
The biggest characteristics of the existing wall clothes in the market at present are beautifully, heat preservation and sound insulation, and along with the continuous promotion of people health consciousness, people have higher and higher requirements on decorative materials of the wall surface, not only require beautifully but also require the wall clothes to have multiple functions, especially current anion wall clothes, the anion that adds has the function of releasing negative oxygen ion, improving living environment, receives people's favor. However, most of the wallcoverings in the market have fewer functions, and with the continuous improvement of health consciousness of people, the requirements of people on wall decoration materials are higher and higher, so that an environment-friendly functional type wallcovering is urgently needed to remove pollutants released in indoor air in floors or furniture.
Disclosure of Invention
The invention aims to provide environment-friendly negative ion wall coating dry powder and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the environment-friendly negative ion wall coating dry powder comprises the following raw materials in parts by weight: 300 parts of fiber powder, 200 parts of anion material powder, 80-120 parts of water-soluble plant rubber powder, 2-10 parts of softener, 2-10 parts of finishing agent, 3-5 parts of nano photocatalyst powder, 3-10 parts of activated carbon particles and 1-3 parts of nano silver particles.
Further, the negative ion material powder is prepared from the following raw materials in parts by weight: 5-15 parts of stone needle, 1-15 parts of medical stone, 10-35 parts of germanite, 10-25 parts of tourmaline, 10-40 parts of natural crystalline salt ore, 10-20 parts of natural marine stone, 10-30 parts of opal, 10-25 parts of hsiuyen jade, 5-10 parts of rare earth and 5-10 parts of hexacyclic stone.
Further, the fibers comprise natural fibers and artificial synthetic fibers, and the natural fibers comprise natural animal fibers and natural plant fibers.
Further, the natural animal fiber comprises one or more of animal hair and secretion.
Further, the natural plant fiber comprises fiber made from one or more of plant root, stem, leaf, seed, bark and berry.
Further, the artificial synthetic fiber comprises one or more of terylene, spandex, acrylic fiber, nylon, aramid fiber, vinylon and polypropylene fiber.
A preparation method of environment-friendly negative ion wall coating dry powder comprises the following steps:
s1: respectively carrying out superfine grinding treatment on the fiber powder and the negative ion material powder;
s2: adding nano silver particles into nano photocatalyst powder, fully stirring for reaction, adding activated carbon particles, fully stirring for reaction, carrying out solid-liquid separation on the obtained solution, and drying to obtain composite powder;
s3: adding the fiber powder and the anion powder in the step S1, the composite powder in the step S2, the water-soluble plant glue powder, the softener and the finishing agent into deionized water, mixing and stirring for 15-20min, and heating and drying to obtain dry wall clothing powder;
s4: and (5) crushing the dry powder of the wall covering in the step (S3) to 60-80 meshes by using a crusher to obtain a finished product.
Further, the preparation method of the negative ion material powder comprises the following steps:
s101: mixing and crushing 5-15 parts by weight of stone needle, 1-15 parts by weight of medical stone, 10-35 parts by weight of germanite, 10-25 parts by weight of tourmaline, 10-40 parts by weight of natural crystalline salt ore, 10-20 parts by weight of natural marine stone, 10-30 parts by weight of opal, 10-25 parts by weight of hsiuyen jade stone, 5-10 parts by weight of rare earth and 5-10 parts by weight of hexacyclic stone into a mixed raw material of 100 plus 200 um;
s102: calcining the mixed raw material in the step S01 at the temperature of 500-700 ℃ for 2-5h, then cooling to room temperature, and crushing into particles with the particle size of 30-60 um;
s103: adding a proper amount of deionized water, stirring to prepare a suspension of 40-60%, then adjusting the pH of the suspension to 9 by using a NaOH solution with the concentration of 10%, performing microwave treatment for 2 hours, performing magnetic oscillation for 1 hour, adjusting the pH of the suspension to 6 by using an HCl solution with the concentration of 10%, performing microwave treatment for 2 hours, performing ultrasonic oscillation for 2 hours, and finally neutralizing the pH of the suspension to 7 by using a baking soda solution with the concentration of 15%;
s104: centrifuging the suspension prepared in the step S103 at the rotating speed of 1500-;
s105: carrying out secondary calcination on the mineral raw material prepared in the step S04, wherein the calcination temperature is 600-900 ℃, the calcination time is 2-3 hours, and cooling to room temperature;
s106: ball-milling the mineral raw material in the step S105 at the rotating speed of 12000-20000r/min until the particle size is 400-500nm, thus obtaining the nanoscale negative ion material.
Further, in step S2, when the nano silver particles are added into the nano photocatalyst powder, the stirring reaction is carried out for 25-35min at 45-55 ℃.
Further, in step S2, when the activated carbon is added into the system of the nano silver particles and the nano photocatalyst powder, the temperature is raised to 75-85 ℃, and the stirring reaction is continued for 1-3 hours.
Compared with the prior art, the invention has the beneficial effects that: the wall coating dry powder prepared by the invention is rich in negative ions, can continuously release negative ions and far infrared rays, effectively purifies air, eliminates peculiar smell, eliminates toxic and harmful gases and dust suspended in the air, and inhibits bacteria and mould; the active carbon is a porous body, not only has strong adsorption and decomposition, moisture absorption and drying, deodorization and antibacterial effects, but also simultaneously loads the nano photocatalyst and the nano silver to play the synergistic antibacterial effect of the nano photocatalyst and the nano silver, and simultaneously, the active carbon is regenerated under the effect of the nano photocatalyst to recover the adsorption function of the active carbon again, thereby greatly improving the environmental protection value of the wall coating material.
Drawings
FIG. 1 is a flow chart of a preparation method of the environment-friendly negative ion wall coating dry powder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the preferred embodiment 1
The embodiment provides an environment-friendly negative ion wall coating dry powder which comprises the following raw materials in parts by weight: the nano-silver fabric comprises, by weight, 300 parts of fiber powder, 100 parts of anion material powder, 80 parts of water-soluble plant rubber powder, 2 parts of a softener, 2 parts of a finishing agent, 3 parts of nano-photocatalyst powder, 3 parts of activated carbon particles and 1 part of nano-silver particles, wherein the fibers comprise natural fibers and synthetic fibers, the natural fibers comprise natural animal fibers and natural plant fibers, the natural animal fibers comprise fibers made of animal hair and secretions, the natural plant fibers comprise fibers made of plant roots, stems, leaves, seeds, skins, berries and the like, and the synthetic fibers comprise terylene, spandex, acrylon, nylon, aramid, vinylon, polypropylene and the like; the negative ion material powder is prepared from the following raw materials in parts by weight: 15 parts of stone needle, 1 part of medical stone, 10 parts of germanite, 10 parts of tourmaline, 10 parts of natural crystal salt ore, 10 parts of natural marine stone, 10 parts of opal, 10 parts of hsiuyen rock jade, 10 parts of rare earth and 10 parts of hexacyclic stone.
The embodiment also provides a preparation method of the environment-friendly negative ion wall coating dry powder, which comprises the following steps:
s1: respectively carrying out superfine grinding treatment on the fiber powder and the negative ion material powder;
s2: adding nano silver particles into nano photocatalyst powder, fully stirring for reaction, adding activated carbon particles, fully stirring for reaction, carrying out solid-liquid separation on the obtained solution, and drying to obtain composite powder;
s3: adding the fiber powder and the anion powder in the step S1, the composite powder in the step S2, the water-soluble plant glue powder, the softener and the finishing agent into deionized water, mixing and stirring for 15-20min, and heating and drying to obtain dry wall clothing powder;
s4: and (5) crushing the dry powder of the wall covering in the step (S3) to 60-80 meshes by using a crusher to obtain a finished product.
Specifically, firstly, preparing negative ion material powder, mixing 15 parts of stone needle, 1 part of medical stone, 10 parts of germanite, 10 parts of tourmaline, 10 parts of natural crystalline salt ore, 10 parts of natural marine stone, 10 parts of opal, 10 parts of hsiuyen rock jade, 10 parts of rare earth and 5 parts of hexacyclic stone in parts by weight, and crushing into 100um mixed raw materials; calcining the mixed raw materials at 500 ℃ for 5 hours, then cooling to room temperature, and crushing into particles with the particle size of 30 um; adding a proper amount of deionized water, stirring to prepare 40% suspension, adjusting the pH of the suspension to 9 by using a 10% NaOH solution, performing microwave treatment for 2 hours, performing magnetic oscillation for 1 hour, adjusting the pH of the suspension to 6 by using a 10% HCl solution, performing microwave treatment for 2 hours, performing ultrasonic oscillation for 2 hours, and finally neutralizing the pH of the suspension to 7 by using a 15% baking soda solution; centrifuging the prepared suspension for 30min at the rotating speed of 2000r/min, standing for 24h, filtering, and drying to remove water until the water content is less than 1% to obtain a mineral raw material; carrying out secondary calcination on the prepared mineral raw material, wherein the calcination temperature is 600 ℃, the calcination time is 3 hours, and cooling to room temperature; ball-milling the mineral raw materials at the rotating speed of 20000r/min until the particle size is 500nm to obtain a nanoscale negative ion material; carrying out superfine grinding on the fibers to 100 meshes by a biological superfine grinder; adding 1 part by weight of nano silver particles into 3 parts by weight of nano photocatalyst powder, fully stirring and reacting at 45 ℃ for 35min, adding 3 parts by weight of activated carbon particles, heating to 75 ℃, continuing to fully stir and react for 3h, carrying out solid-liquid separation on the obtained solution, and continuing to dry at 75 ℃ for 5h to obtain composite powder; mixing and stirring 300 parts by weight of fiber powder, 100 parts by weight of negative ion material powder, the obtained composite powder, 80 parts by weight of water-soluble plant glue powder, 2 parts by weight of softener, 2 parts by weight of finishing agent and a proper amount of deionized water for 15min, heating and drying, and finally crushing to 80 meshes by using a crusher to obtain a finished product.
Specific example 2
The embodiment provides environment-friendly negative ion wall coating dry powder which comprises the following raw materials in parts by weight: 100 parts of fiber powder, 200 parts of negative ion material powder, 120 parts of water-soluble plant rubber powder, 10 parts of softener, 10 parts of finishing agent, 5 parts of nano photocatalyst powder, 10 parts of active carbon particles and 3 parts of nano silver particles, wherein the fibers comprise natural fibers and artificial synthetic fibers, the natural fibers comprise natural animal fibers and natural plant fibers, the natural animal fibers comprise fibers made of animal hair and secretion, the natural plant fibers comprise fibers made of roots, stems, leaves, seeds, skins, berries and the like of plants, and the artificial synthetic fibers comprise terylene, spandex, acrylic fibers, nylon, aramid fibers, vinylon, polypropylene fibers and the like; the negative ion material powder is prepared from the following raw materials in parts by weight: 5 parts of stone needle, 15 parts of medical stone, 35 parts of germanite, 25 parts of tourmaline, 40 parts of natural crystalline salt ore, 20 parts of natural marine stone, 30 parts of opal, 25 parts of hsiuyen rock jade, 5 parts of rare earth and 10 parts of hexacyclic stone.
The embodiment provides a preparation method of environment-friendly negative ion wall coating dry powder, which comprises the following steps:
firstly, preparing negative ion material powder, mixing 5 parts of stone needle, 15 parts of medical stone, 35 parts of germanite, 25 parts of tourmaline, 40 parts of natural crystalline salt ore, 20 parts of natural marine stone, 30 parts of opal, 25 parts of hsiuyen jade, 5 parts of rare earth and 10 parts of hexacyclic stone in parts by weight, and crushing into a mixed raw material of 200 um; calcining the mixed raw materials at 700 ℃ for 2h, then cooling to room temperature, and crushing into particles with the particle size of 60 um; adding a proper amount of deionized water, stirring to prepare 60% suspension, adjusting the pH of the suspension to 9 by using a 10% NaOH solution, performing microwave treatment for 2 hours, performing magnetic oscillation for 1 hour, adjusting the pH of the suspension to 6 by using a 10% HCl solution, performing microwave treatment for 2 hours, performing ultrasonic oscillation for 2 hours, and finally neutralizing the pH of the suspension to 7 by using a 15% baking soda solution; centrifuging the prepared suspension for 30min at the rotating speed of 1500r/min, standing for 24h, filtering, and drying to remove water until the water content is less than 1% to obtain a mineral raw material; carrying out secondary calcination on the prepared mineral raw material, wherein the calcination temperature is 900 ℃, the calcination time is 2 hours, and cooling to room temperature; ball-milling the mineral raw materials at the rotating speed of 12000r/min until the particle size is 400nm to obtain a nanoscale negative ion material; carrying out ultrafine grinding on the fibers to 80 meshes by using a biological ultrafine grinder; adding 3 parts by weight of nano silver particles into 5 parts by weight of nano photocatalyst powder, fully stirring and reacting for 25min at 55 ℃, adding 10 parts by weight of activated carbon particles, heating to 85 ℃, continuing to fully stir and react for 1h, carrying out solid-liquid separation on the obtained solution, and continuing to dry at 85 ℃ for 3h to obtain composite powder; mixing and stirring 100 parts by weight of fiber powder, 200 parts by weight of negative ion material powder, the obtained composite powder, 120 parts by weight of water-soluble plant rubber powder, 10 parts by weight of softener, 10 parts by weight of finishing agent and a proper amount of deionized water for 20min, heating and drying, and finally crushing by a crusher to 60 meshes to obtain the finished product.
Specific example 3
The embodiment provides an environment-friendly negative ion wall coating dry powder which comprises the following raw materials in parts by weight: 200 parts of fiber powder, 150 parts of anion material powder, 100 parts of water-soluble plant rubber powder, 5 parts of a softener, 6 parts of a finishing agent, 4 parts of nano photocatalyst powder, 6 parts of activated carbon particles and 2 parts of nano silver particles, wherein the fibers comprise natural fibers and artificial synthetic fibers, the natural fibers comprise natural animal fibers and natural plant fibers, the natural animal fibers comprise fibers made of animal hair and secretions, the natural plant fibers comprise fibers made of roots, stems, leaves, seeds, skins, berries and the like of plants, and the artificial synthetic fibers comprise terylene, spandex, acrylic fibers, nylon, aramid fibers, vinylon, polypropylene fibers and the like; the negative ion material powder is prepared from the following raw materials in parts by weight: 10 parts of stone needle, 10 parts of medical stone, 20 parts of germanite, 15 parts of tourmaline, 25 parts of natural crystalline salt ore, 15 parts of natural marine stone, 20 parts of opal, 15 parts of hsiuyen rock jade, 8 parts of rare earth and 7 parts of hexacyclic stone.
The embodiment provides a preparation method of environment-friendly negative ion wall coating dry powder, which comprises the following steps:
firstly, preparing negative ion material powder, mixing 10 parts of stone needle, 10 parts of medical stone, 20 parts of germanite, 15 parts of tourmaline, 25 parts of natural crystal salt ore, 15 parts of natural marine stone, 20 parts of opal, 15 parts of hsiuyen rock jade, 8 parts of rare earth and 7 parts of hexacyclic stone in parts by weight, and crushing into a mixed raw material of 250 um; calcining the mixed raw materials at 800 ℃ for 3h, cooling to room temperature, and crushing into particles with the particle size of 50 um; adding a proper amount of deionized water, stirring to prepare 50% suspension, adjusting the pH of the suspension to 9 by using a 10% NaOH solution, performing microwave treatment for 2 hours, performing magnetic oscillation for 1 hour, adjusting the pH of the suspension to 6 by using a 10% HCl solution, performing microwave treatment for 2 hours, performing ultrasonic oscillation for 2 hours, and finally neutralizing the pH of the suspension to 7 by using a 15% baking soda solution; centrifuging the prepared suspension for 30min at the rotating speed of 1800r/min, standing for 24h, filtering, and drying to remove water until the water content is less than 1% to obtain a mineral raw material; carrying out secondary calcination on the prepared mineral raw material, wherein the calcination temperature is 800 ℃, the calcination time is 2.5 hours, and cooling to room temperature; ball-milling the raw mineral materials at the rotating speed of 15000r/min until the particle size is 450nm to obtain a nano-scale negative ion material; carrying out ultrafine grinding on the fibers to 70 meshes by using a biological ultrafine grinder; adding 2 parts by weight of nano silver particles into 4 parts by weight of nano photocatalyst powder, fully stirring and reacting for 30min at 50 ℃, adding 6 parts by weight of activated carbon particles, heating to 80 ℃, continuing to fully stir and react for 2h, carrying out solid-liquid separation on the obtained solution, and continuing to dry for 4h at 80 ℃ to obtain composite powder; 200 parts of fiber powder, 150 parts of negative ion material powder, the obtained composite powder, 100 parts of water-soluble plant glue powder, 5 parts of softener, 5 parts of finishing agent and a proper amount of deionized water are mixed and stirred for 18min, heated and dried, and finally crushed to 70 meshes by a crusher to obtain the finished product.
The environment-friendly negative ion wall coating dry powder provided by the invention is used for manufacturing wall coatings, and experiments on the negative oxygen ion concentration, bacteriostasis and antibiosis of the wall coatings are carried out, wherein the experimental results are shown in the following table, wherein the negative ion concentration is the average value of data obtained by measuring 20 times at different times by adopting a professional negative ion tester KEC-900.
| Experimental project | Wall clothes product on the market | Example 1 | Example 2 | Example 3 |
| Concentration of negative ions/piece/cm3 | 6000 | 9000 | 11000 | 12000 |
| Antibacterial activity of | 75％ | 90％ | 94％ | 92％ |
Table 1: experimental data
The wall coating dry powder prepared by the invention is rich in negative ions, can continuously release negative ions and far infrared rays, effectively purifies air, eliminates peculiar smell, eliminates toxic and harmful gases and dust suspended in the air, and inhibits bacteria and mould; the active carbon is a porous body, not only has strong adsorption and decomposition, moisture absorption and drying, deodorization and antibacterial effects, but also simultaneously loads the nano photocatalyst and the nano silver to play the synergistic antibacterial effect of the nano photocatalyst and the nano silver, and simultaneously, the active carbon is regenerated under the effect of the nano photocatalyst to recover the adsorption function of the active carbon again, thereby greatly improving the environmental protection value of the wall coating material.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The environment-friendly negative ion wall coating dry powder is characterized by comprising the following raw materials in parts by weight: 300 parts of fiber powder, 200 parts of anion material powder, 80-120 parts of water-soluble plant rubber powder, 2-10 parts of softener, 2-10 parts of finishing agent, 3-5 parts of nano photocatalyst powder, 3-10 parts of activated carbon particles and 1-3 parts of nano silver particles.
2. The environment-friendly negative ion wall coating dry powder according to claim 1, wherein the negative ion material powder is prepared from the following raw materials in parts by weight: 5-15 parts of stone needle, 1-15 parts of medical stone, 10-35 parts of germanite, 10-25 parts of tourmaline, 10-40 parts of natural crystalline salt ore, 10-20 parts of natural marine stone, 10-30 parts of opal, 10-25 parts of hsiuyen jade, 5-10 parts of rare earth and 5-10 parts of hexacyclic stone.
3. The environment-friendly negative ion wall coating dry powder according to claim 1, which is characterized in that: the fiber comprises natural fiber and artificial synthetic fiber, and the natural fiber comprises natural animal fiber and natural plant fiber.
4. The environment-friendly negative ion wall coating dry powder according to claim 3, which is characterized in that: the natural animal fiber comprises one or more of animal hair and secretion.
5. The environment-friendly negative ion wall coating dry powder according to claim 3, which is characterized in that: the natural plant fiber comprises fiber made from one or more of plant root, stem, leaf, seed, bark and berry.
6. The environment-friendly negative ion wall coating dry powder according to claim 3, which is characterized in that: the artificial synthetic fiber comprises one or more of terylene, spandex, acrylon, nylon, aramid fiber, vinylon and polypropylene fiber.
7. The preparation method of the environment-friendly negative ion wall coating dry powder is characterized by comprising the following steps of:
s1: respectively carrying out superfine grinding treatment on the fiber powder and the negative ion material powder;
s2: adding nano silver particles into nano photocatalyst powder, fully stirring for reaction, adding activated carbon particles, fully stirring for reaction, carrying out solid-liquid separation on the obtained solution, and drying to obtain composite powder;
s3: adding the fiber powder and the anion powder in the step S1, the composite powder in the step S2, the water-soluble plant glue powder, the softener and the finishing agent into deionized water, mixing and stirring for 15-20min, and heating and drying to obtain dry wall clothing powder;
s4: and (5) crushing the dry powder of the wall covering in the step (S3) to 60-80 meshes by using a crusher to obtain a finished product.
8. The method for preparing the environment-friendly negative ion wall coating dry powder according to claim 7, which is characterized in that: the preparation method of the negative ion material powder comprises the following steps:
s101: mixing and crushing 5-15 parts by weight of stone needle, 1-15 parts by weight of medical stone, 10-35 parts by weight of germanite, 10-25 parts by weight of tourmaline, 10-40 parts by weight of natural crystalline salt ore, 10-20 parts by weight of natural marine stone, 10-30 parts by weight of opal, 10-25 parts by weight of hsiuyen jade stone, 5-10 parts by weight of rare earth and 5-10 parts by weight of hexacyclic stone into a mixed raw material of 100 plus 200 um;
s102: calcining the mixed raw material in the step S01 at the temperature of 500-700 ℃ for 2-5h, then cooling to room temperature, and crushing into particles with the particle size of 30-60 um;
s103: adding a proper amount of deionized water, stirring to prepare a suspension of 40-60%, then adjusting the pH of the suspension to 9 by using a NaOH solution with the concentration of 10%, performing microwave treatment for 2 hours, performing magnetic oscillation for 1 hour, adjusting the pH of the suspension to 6 by using an HCl solution with the concentration of 10%, performing microwave treatment for 2 hours, performing ultrasonic oscillation for 2 hours, and finally neutralizing the pH of the suspension to 7 by using a baking soda solution with the concentration of 15%;
s104: centrifuging the suspension prepared in the step S103 at the rotating speed of 1500-;
s105: carrying out secondary calcination on the mineral raw material prepared in the step S04, wherein the calcination temperature is 600-900 ℃, the calcination time is 2-3 hours, and cooling to room temperature;
s106: ball-milling the mineral raw material in the step S105 at the rotating speed of 12000-20000r/min until the particle size is 400-500nm, thus obtaining the nanoscale negative ion material.
9. The method for preparing the environment-friendly negative ion wall coating dry powder according to claim 7, which is characterized in that: in step S2, when the nano silver particles are added into the nano photocatalyst powder, the stirring reaction is carried out for 25-35min at the temperature of 45-55 ℃.
10. The preparation method of the environment-friendly negative ion wall coating dry powder according to claim 9, characterized by comprising the following steps: in step S2, when the activated carbon is added into the system of the nano silver particles and the nano photocatalyst powder, the temperature is raised to 75-85 ℃, and the stirring reaction is continued for 1-3 h.
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