CN111410857A - Preparation system and preparation process of water-based negative oxygen ion coating and coating composition - Google Patents
Preparation system and preparation process of water-based negative oxygen ion coating and coating composition Download PDFInfo
- Publication number
- CN111410857A CN111410857A CN202010334296.6A CN202010334296A CN111410857A CN 111410857 A CN111410857 A CN 111410857A CN 202010334296 A CN202010334296 A CN 202010334296A CN 111410857 A CN111410857 A CN 111410857A
- Authority
- CN
- China
- Prior art keywords
- parts
- negative oxygen
- oxygen ion
- coating composition
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/65—Additives macromolecular
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)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a water-based negative oxygen ion coating composition which comprises the following raw materials in parts by weight: 25-30 parts of water, 20-25 parts of expanded vermiculite, 10-15 parts of modified tourmaline, 10-20 parts of activated carbon, 5-10 parts of diatom ooze, 8-12 parts of titanium dioxide, 2-8 parts of ceramic particles, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of cosolvent and 0.8-2 parts of acrylic resin, wherein the expanded vermiculite is prepared by placing vermiculite raw materials in an expansion furnace at 500 ℃ and 550 ℃, and the water-based negative oxygen ion coating preparation system, the preparation process and the coating composition greatly enhance the physical adsorption performance and the negative oxygen ion release capacity of the negative oxygen ion coating, can release a large amount of negative oxygen ions at normal temperature, can influence the physiological activities of human bodies through the nervous system and blood circulation of human bodies, and can expand capillaries of human bodies, thereby playing a role in promoting blood circulation and regeneration of cell tissues, and the structure of the activated carbon and diatom ooze is slightly damaged, so that volatile pollutants in the air can be effectively captured.
Description
Technical Field
The invention relates to a preparation method of a coating, in particular to a preparation system and a preparation process of a water-based negative oxygen ion coating and a coating composition, and belongs to the field of coatings.
Background
The negative oxygen ions in the air mainly achieve the purpose of purifying the air through three actions of electricity, chemistry, physics and the like, namely, through electric neutralization, chemical reaction, physical adsorption and the like, the negative oxygen ions have strong adsorption performance, when the negative oxygen ions are in contact with the air, harmful gases in the surrounding environment can be adsorbed to the surface of a material and fixed in pores on the surface of the material, and then neutralization and chemical reaction are carried out, so that the purification effect is achieved, in addition, the existing state and the form of trace harmful gases floating in the air are complex and various, some gases exist in a gas free molecular state, some gases are adsorbed by positive charges floating in the air to form positive ions, some trace gases are subjected to a heterogeneous condensation process in the air, namely, gas molecules are deposited and condensed on the surfaces of the existing particles to form a gas sol system, when the trace gases meet the negative ions in the air, since it is a kind of most stable charged particles in negative ions, it has static electricity, so it has adsorption and electric neutralization functions, so that a part of free trace gas floating in the air is adsorbed by negative ions and falls to the ground due to its own weight, and the other part of positively charged polluted gas is electrically neutralized when meeting negative ions, and forms neutral molecules without electricity and falls to the ground, thus achieving the purpose of eliminating harmful gas and purifying air, in fact, while the above-mentioned electric neutralization occurs, it also carries on various complex chemical reactions, and the negative ions really act as hydroxyl radicals (H3O2-), and the hydroxyl radicals actually exist in the form of H2O OH-, and those harmful toxic substances are removed by chemical reactions.
At present, the physical adsorption performance of the negative oxygen ion coating is limited, the absorption effect on volatile pollution such as indoor formaldehyde, benzene series and the like is poor, and the quantity of negative oxygen ions released by pure tourmaline is small, the speed is slow, so that the negative oxygen ion release capacity of the negative oxygen ion coating is weak.
Disclosure of Invention
The invention aims to provide a preparation system and a preparation process of a water-based negative oxygen ion coating and a coating composition, and aims to solve the problem of poor purification effect of the negative oxygen ion coating in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the water-based negative oxygen ion coating composition comprises the following raw materials in parts by weight: 25-30 parts of water, 20-25 parts of expanded vermiculite, 10-15 parts of modified tourmaline, 10-20 parts of activated carbon, 5-10 parts of diatom ooze, 8-12 parts of titanium dioxide, 2-8 parts of ceramic particles, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of cosolvent and 0.8-2 parts of acrylic resin.
Preferably, the expanded vermiculite is prepared by placing vermiculite raw material in an expansion furnace at 500-550 ℃ and expanding for 30-50 s.
Preferably, the preparation process of the modified tourmaline comprises the steps of weighing tourmaline and acrylic acid, adding the tourmaline and the acrylic acid into a hydrothermal reaction kettle, maintaining the hydrothermal reaction temperature at 60 ℃ for 30min, filtering the product, washing the product with water for 2 times, washing the product with ethanol for 3 times, drying the product at 150 ℃ for 10min, adding the product, a KH-550 silane coupling agent, an H L-03 cationic gemini emulsifier, an AS-801 novel environment-friendly anionic surfactant and BYK-1150 into a grinding machine, grinding the product at 340r/min, maintaining the system temperature at 37 ℃ for 20min, ultrasonically washing the product with ethanol for 4 times, and drying the product at 70 ℃ and under vacuum at-0.07 MPa for 10 min.
Preferably, the mass ratio of the tourmaline, the acrylic acid, the silane coupling agent, the H L-03 cationic gemini emulsifier, the AS-801 novel environment-friendly anionic surfactant and the BYK-1150 is 80:30:1:1.5:2: 1.
Preferably, the preparation process comprises the following steps: weighing expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles as raw materials according to the mass ratio; sequentially putting expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles into a grinding machine for grinding; mixing the above raw materials with a stirrer for 30min, adding water, defoamer, cosolvent and acrylic resin, stirring for 15min, and discharging.
Preferably, the grinding particle diameters of the modified tourmaline, the expanded vermiculite, the titanium dioxide and the ceramic particles are all 10-20 μm.
Preferably, the grinding particle size of the activated carbon and the diatom ooze is 10-4 m.
Preferably, the surface area of the activated carbon and the diatom ooze is 1100-2500m 2/g.
Compared with the prior art, the invention has the beneficial effects that: the preparation system, the preparation process and the coating composition of the water-based negative oxygen ion coating greatly enhance the physical adsorption performance of the negative oxygen ion coating and the release capacity of the negative oxygen ions, can release a large amount of negative oxygen ions at normal temperature, can influence the physiological activities of human bodies through the nervous system and blood circulation of human bodies, can expand capillaries of human bodies through the negative oxygen ions, thereby playing the roles of promoting the blood circulation and regenerating cell tissues, and has small structural damage to the active carbon and diatom ooze, and can effectively capture volatile pollutants in the air.
Detailed Description
All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: the water-based negative oxygen ion coating composition comprises the following raw materials in parts by weight: 25 parts of water, 20 parts of expanded vermiculite, 10 parts of modified tourmaline, 20 parts of activated carbon, 10 parts of diatom ooze, 8 parts of titanium dioxide, 8 parts of ceramic particles, 0.5 part of defoaming agent, 0.5 part of cosolvent and 2 parts of acrylic resin.
Wherein the expanded vermiculite is prepared by placing vermiculite raw material in an expansion furnace at 550 ℃ and expanding for 50 s.
The preparation process of the modified tourmaline comprises the steps of weighing tourmaline and acrylic acid, adding the tourmaline and the acrylic acid into a hydrothermal reaction kettle, reacting for 30min under the condition that the hydrothermal reaction temperature is maintained at 60 ℃, filtering, washing for 2 times by water, washing for 3 times by ethanol, drying for 10min under the condition that the temperature is 150 ℃, adding the product, a KH-550 silane coupling agent, an H L-03 cationic gemini emulsifier, an AS-801 novel environment-friendly anionic surfactant and BYK-1150 into a grinding machine, performing ultrasonic washing for 4 times by ethanol, and performing vacuum drying for 10min under the condition that the grinding speed is 340r/min and the system temperature is maintained at 37 ℃.
Wherein the mass ratio of the tourmaline, the acrylic acid, the silane coupling agent, the H L-03 cationic gemini emulsifier, the AS-801 novel environment-friendly anionic surfactant and the BYK-1150 is 80:30:1:1.5:2: 1.
The preparation process comprises the following steps: weighing expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles as raw materials according to the mass ratio; sequentially putting expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles into a grinding machine for grinding; mixing the above raw materials with a stirrer for 30min, adding water, defoamer, cosolvent and acrylic resin, stirring for 15min, and discharging.
Wherein the grinding particle diameters of the modified tourmaline, the expanded vermiculite, the titanium dioxide and the ceramic particles are all 20 mu m.
Wherein the grinding particle size of the activated carbon and the diatom ooze is 10 m.
Wherein the surface area of the activated carbon and the diatom ooze is 2500m 2/g.
Example 2: the water-based negative oxygen ion coating composition comprises the following raw materials in parts by weight: 30 parts of water, 25 parts of expanded vermiculite, 15 parts of modified tourmaline, 10 parts of activated carbon, 5 parts of diatom ooze, 8 parts of titanium dioxide, 8 parts of ceramic particles, 0.5 part of defoaming agent, 0.5 part of cosolvent and 2 parts of acrylic resin.
Wherein the expanded vermiculite is prepared by placing vermiculite raw material in an expansion furnace at 550 ℃ and expanding for 50 s.
The preparation process of the modified tourmaline comprises the steps of weighing tourmaline and acrylic acid, adding the tourmaline and the acrylic acid into a hydrothermal reaction kettle, reacting for 30min under the condition that the hydrothermal reaction temperature is maintained at 60 ℃, filtering, washing for 2 times by water, washing for 3 times by ethanol, drying for 10min under the condition that the temperature is 150 ℃, adding the product, a KH-550 silane coupling agent, an H L-03 cationic gemini emulsifier, an AS-801 novel environment-friendly anionic surfactant and BYK-1150 into a grinding machine, performing ultrasonic washing for 4 times by ethanol, and performing vacuum drying for 10min under the condition that the grinding speed is 340r/min and the system temperature is maintained at 37 ℃.
Wherein the mass ratio of the tourmaline, the acrylic acid, the silane coupling agent, the H L-03 cationic gemini emulsifier, the AS-801 novel environment-friendly anionic surfactant and the BYK-1150 is 80:30:1:1.5:2: 1.
The preparation process comprises the following steps: weighing expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles as raw materials according to the mass ratio; sequentially putting expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles into a grinding machine for grinding; mixing the above raw materials with a stirrer for 30min, adding water, defoamer, cosolvent and acrylic resin, stirring for 15min, and discharging.
Wherein the grinding particle diameters of the modified tourmaline, the expanded vermiculite, the titanium dioxide and the ceramic particles are all 20 mu m.
Wherein the grinding particle size of the activated carbon and the diatom ooze is 10 m.
Wherein the surface area of the activated carbon and the diatom ooze is 2500m 2/g.
Specifically, the properties of the aqueous oxygen anion coating composition obtained in the above examples are as follows:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The water-based negative oxygen ion coating composition is characterized by comprising the following raw materials in parts by weight: 25-30 parts of water, 20-25 parts of expanded vermiculite, 10-15 parts of modified tourmaline, 10-20 parts of activated carbon, 5-10 parts of diatom ooze, 8-12 parts of titanium dioxide, 2-8 parts of ceramic particles, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of cosolvent and 0.8-2 parts of acrylic resin.
2. The aqueous negative oxygen ion coating composition of claim 1, wherein: the expanded vermiculite is prepared by placing vermiculite raw material in an expansion furnace at 500-550 ℃ and expanding for 30-50 s.
3. The water-based negative oxygen ion coating composition AS claimed in claim 1, wherein the modified tourmaline is prepared by weighing tourmaline and acrylic acid, adding into a hydrothermal reaction kettle, reacting at 60 deg.C for 30min, filtering, washing with water for 2 times, washing with ethanol for 3 times, drying at 150 deg.C for 10min, adding the product into a grinder at 340r/min, reacting at 37 deg.C for 20min, washing with ethanol for 4 times, and vacuum drying at 70 deg.C to 0.07MPa for 10 min.
4. The water-based negative oxygen ion coating composition AS claimed in claim 3, wherein the mass ratio of the tourmaline, the acrylic acid, the silane coupling agent, the H L-03 cationic gemini emulsifier, the AS-801 novel environment-friendly anionic surfactant and the BYK-1150 is 80:30:1:1.5:2: 1.
5. The aqueous negative oxygen ion coating composition of claim 1, which is prepared by the following process: weighing expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles as raw materials according to the mass ratio; sequentially putting expanded vermiculite, modified tourmaline, active carbon, diatom ooze, titanium dioxide and ceramic particles into a grinding machine for grinding; mixing the above raw materials with a stirrer for 30min, adding water, defoamer, cosolvent and acrylic resin, stirring for 15min, and discharging.
6. The aqueous negative oxygen ion coating composition of claim 1, wherein: the grinding particle sizes of the modified tourmaline, the expanded vermiculite, the titanium dioxide and the ceramic particles are all 10-20 mu m.
7. The aqueous negative oxygen ion coating composition of claim 1, wherein: the grinding particle size of the activated carbon and the diatom ooze is 10-4 m.
8. The aqueous negative oxygen ion coating composition of claim 1, wherein: the surface area of the activated carbon and the diatom ooze is 1100-2500m 2/g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010334296.6A CN111410857A (en) | 2020-04-24 | 2020-04-24 | Preparation system and preparation process of water-based negative oxygen ion coating and coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010334296.6A CN111410857A (en) | 2020-04-24 | 2020-04-24 | Preparation system and preparation process of water-based negative oxygen ion coating and coating composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111410857A true CN111410857A (en) | 2020-07-14 |
Family
ID=71490013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010334296.6A Withdrawn CN111410857A (en) | 2020-04-24 | 2020-04-24 | Preparation system and preparation process of water-based negative oxygen ion coating and coating composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111410857A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064343A (en) * | 2020-07-31 | 2020-12-11 | 山东芳林昊天钢结构工程有限公司 | Manufacturing process of improved environment-friendly negative oxygen ion home decoration material |
| CN112721346A (en) * | 2020-11-27 | 2021-04-30 | 浙江鼎栎家居有限公司 | Negative oxygen ion bottom plate, preparation method thereof and application thereof in wood floor |
| CN113679205A (en) * | 2021-08-30 | 2021-11-23 | 和也健康科技有限公司 | Functional mattress and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6001157A (en) * | 1998-12-28 | 1999-12-14 | Nogami; Hideaki | Additive for antifouling paint |
| CN104513572A (en) * | 2014-11-27 | 2015-04-15 | 浙江大学自贡创新中心 | Negative ion based paint |
| CN105770957A (en) * | 2014-12-22 | 2016-07-20 | 上海斯米克控股股份有限公司 | Air purifying compound and preparation method and application thereof |
| CN108117779A (en) * | 2017-12-21 | 2018-06-05 | 金华联创塑粉科技有限公司 | A kind of generation negative oxygen ion environmental protection coating material and preparation method thereof |
-
2020
- 2020-04-24 CN CN202010334296.6A patent/CN111410857A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6001157A (en) * | 1998-12-28 | 1999-12-14 | Nogami; Hideaki | Additive for antifouling paint |
| CN104513572A (en) * | 2014-11-27 | 2015-04-15 | 浙江大学自贡创新中心 | Negative ion based paint |
| CN105770957A (en) * | 2014-12-22 | 2016-07-20 | 上海斯米克控股股份有限公司 | Air purifying compound and preparation method and application thereof |
| CN108117779A (en) * | 2017-12-21 | 2018-06-05 | 金华联创塑粉科技有限公司 | A kind of generation negative oxygen ion environmental protection coating material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064343A (en) * | 2020-07-31 | 2020-12-11 | 山东芳林昊天钢结构工程有限公司 | Manufacturing process of improved environment-friendly negative oxygen ion home decoration material |
| CN112721346A (en) * | 2020-11-27 | 2021-04-30 | 浙江鼎栎家居有限公司 | Negative oxygen ion bottom plate, preparation method thereof and application thereof in wood floor |
| CN112721346B (en) * | 2020-11-27 | 2024-05-03 | 长治市宏瑞祥环保科技有限公司 | Negative oxygen ion bottom plate, preparation method thereof and application thereof in wood floor |
| CN113679205A (en) * | 2021-08-30 | 2021-11-23 | 和也健康科技有限公司 | Functional mattress and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111410857A (en) | Preparation system and preparation process of water-based negative oxygen ion coating and coating composition | |
| Liu et al. | Covalently crosslinked zirconium-based metal-organic framework aerogel monolith with ultralow-density and highly efficient Pb (II) removal | |
| CN106693898B (en) | Doping-degree-controllable porous reduced graphene oxide oil absorption material and preparation method thereof | |
| CN111359582A (en) | Graphene composite aerogel formaldehyde-removing material and preparation method thereof | |
| CN108014760B (en) | Sodium alginate/carboxylated nanocrystalline cellulose hydrogel microspheres for adsorbing lead ions | |
| CN102824898B (en) | Three-dimensional porous pressure-resistant and expansion-limiting type bentonite adsorbing material and preparation method thereof | |
| CN104722281B (en) | A kind of nano titanium oxide/chitosan three-dimensional is composite porous and preparation method thereof | |
| CN112456491B (en) | Production process of environment-friendly regenerated activated carbon | |
| CN102120179B (en) | Preparation method of modified activated carbon fiber for adsorbing ultra-micro sulfur dioxide | |
| CN101829545A (en) | Heavy metal biological adsorbent using eggshell membrane as matrix and preparation method thereof | |
| CN112538190B (en) | Air purification material and preparation method thereof | |
| CN103861465B (en) | A kind of hydrophobic separation membrane material surface surpasses the method for hydrophilic modifying | |
| CN109012580A (en) | A kind of preparation method of the multi-layer porous material of graphene-active carbon | |
| Yang et al. | Conversion of Cu2+-polluted biomass into Cu2+-based metal-organic frameworks antibacterial material to achieve recycling of pollutants | |
| CN111389215A (en) | Preparation method and application of hyperbranched polyamide modified activated carbon | |
| CN113769706A (en) | Air purification material and preparation method thereof | |
| CN112588257B (en) | Ordered mesoporous silicon-glass fiber paper composite material and preparation method and application thereof | |
| CN102409531B (en) | Method for preparing electrospun composite nanoscale fiber felt containing nanoscale palladium particles | |
| CN112680036A (en) | Photocatalytic formaldehyde-removing coating and preparation method thereof | |
| CN110511567B (en) | Preparation method of photocatalytic composite membrane, prepared photocatalytic composite membrane and application | |
| CN106334374B (en) | The preparation method and product of a kind of dedusting and the filtering material for decomposing bioxin | |
| CN111545163A (en) | Adsorbent for heavy metal wastewater treatment and preparation method thereof | |
| CN110624496B (en) | Preparation method of porous boron nitride-based composite material for purifying organic wastewater | |
| CN106334436A (en) | Anion coating solution for air purification | |
| CN113368833B (en) | Inorganic-organic flocculant and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200714 |