CN108485441A - A kind of water nano titanium oxide photocatalysis disinfectant purification coating and preparation method thereof - Google Patents
A kind of water nano titanium oxide photocatalysis disinfectant purification coating and preparation method thereof Download PDFInfo
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- CN108485441A CN108485441A CN201810418383.2A CN201810418383A CN108485441A CN 108485441 A CN108485441 A CN 108485441A CN 201810418383 A CN201810418383 A CN 201810418383A CN 108485441 A CN108485441 A CN 108485441A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a kind of water nano titanium oxide photocatalysis disinfectants to purify coating and preparation method thereof, is made of the raw material of following parts by weight：Nano-titanium dioxide 38 55%, waterborne organic silicon modified acrylic acid emulsion 10 30%, silicate 2 5%, inorganic antiseptic 1.5 3.5%, anion micro mist 1 3%, function additive 1.4 5.0%, silane coupling agent 2 4%, wetting dispersing agent 0.4 0.8%, surplus is water.The coating of the present invention has purification air, killing bacterium and other effects, it is environmentally protective, there are the performances such as excellent ageing resistance, abrasion resistance, caking property, corrosion resistance simultaneously, powder of lacquer putty for use on and emulsion paint can directly be replaced, it is bound directly with cement mortar metope, securely, non-scale, it does not fall off, not crackle.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of water nano titanium oxide photocatalysis disinfectant purification coating
And preparation method thereof.
Background technology
Coating is that a kind of be coated in is protected and by the new of decoration matrix surface and the continuous film that can form firm attachment
Type high molecular material and conveyance system material, application field are extremely extensive.Building coating primarily serves decoration at present and protection is made
With being seldom related to antibacterial and air-cleaning function.
Room air pollution is serious at present and increasingly sharpens.It is found according to the investigation of recent years, room air pollution journey
Degree is also more serious than outdoor.Room air pollution is affected by many factors, also indoor dirty other than atmosphere pollution is got in
Dye source occurs.Modern architecture material, ornament materials, carpet, furniture, office appliance etc. can all release formaldehyde, benzene homologues, tetrachloro
The harmful volatile organic matter such as ethylene (VOCs).In addition, also from carpet, bedding, furniture etc. in household room
The biological pollutions such as bacterium, fungi, acarid, they can cause the diseases such as hylactic pneumonia, rhinitis, skin allergy.Present air-conditioning
Machine becomes increasingly popular, and causes indoor and outdoor air convection current few, and room air iterative cycles seldom enter air exchange system, not only volatilize
Contact scar object, which accumulates over a long period, to be on the increase, but also convenient for the propagation of microbial infectious diseases.Modern has among one day
80% time is to spend indoors, and influence of the indoor air quality to health is more direct, not with living standard
Disconnected to improve, room air pollution and its caused harm are more and more significant, improve indoor air quality, and improvement people live empty
Between, working environment, it is particularly significant to health.
Therefore, it is badly in need of a kind of coating that can sterilize but also purify air.
In Chinese patent (application number：CN201310073600.6 a kind of visible light nano titanium oxide photocatalysis disinfectant in)
Purify solid powder paint, including following weight than raw material：Nano-titanium dioxide 1-20% with visible light activity, silicic acid
Salt 20-70%, land plaster 3-5%, titanium dioxide 5-10%, powder anticaking agent 0.1-5% cure conditioner 1-10%, inorganic face
Expect 1-10%, filler 1-20%.The coating not will produce pollutant, and with purification air under visible light, killing bacterium etc.
Effect, it is environmentally protective.Powder of lacquer putty for use on and emulsion paint and cement mortar metope can be directly replaced to bind directly, securely, non-scale, no
It falls off, not crackle.But its purification air, killing bacterium ability are limited, and choosing of the nano-titanium dioxide used to bacterium
It selects killing property and antibacterial action is still weaker, cannot be satisfied the requirement of increasingly strict living environment.
Based on this, it is necessary to a kind of water nano titanium oxide photocatalysis disinfectant purification coating and preparation method thereof is provided,
While meeting purification air, killing bacterial action, pollutant is not will produce, it is environmentally protective, while having excellent anti-ageing
The performances such as the property changed, abrasion resistance, caking property, corrosion resistance.
Invention content
In view of the above-mentioned analysis to the prior art, the present invention provides a kind of water nano titanium oxide photocatalysis disinfectant is net
Change coating and preparation method thereof, there is purification air, kill bacterium and other effects, it is environmentally protective, while having excellent anti-aging
The performances such as property, abrasion resistance, caking property, corrosion resistance.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of water nano titanium oxide photocatalysis disinfectant purification coating, is made of the raw material of following parts by weight：
Surplus is water.
Preferably, the nano-titanium dioxide is anatase titanium dioxide, and grain size 10-400nm, specific surface area is
100-200m2/g。
Preferably, the phosphate in sodium metasilicate, potassium silicate, calcium silicates, alumina silicate any one or a few
Mixture.
Preferably, the inorganic antiseptic is 1 by weight ratio:1:1 zinc oxide, copper oxide and tin oxide is made.
Preferably, the anion micro mist is the tourmaline powder rich in boron.
Preferably, the wetting dispersing agent is diethanolamine of fat acyl.
Preferably, the function additive includes that thickener, antifoaming agent, coalescents, mould inhibitor, levelling agent and levelling help
Agent.
Preferably, the thickener is hydroxyethyl cellulose；The antifoaming agent is organosiloxane；The coalescents are
Dipropylene；The mould inhibitor is sulfo-amino acid esters；The levelling agent is BYK-333；The leveling auxiliary agent is
RM2020。
Preferably, which is characterized in that mass content of the thickener in the coating is 0.1-0.5%；It is described to disappear
Mass content of the infusion in the coating is 0.2-0.7%；Mass content of the coalescents in the coating be
0.5-1.5%；Mass content of the mould inhibitor in the coating is 0.2-0.8%；The levelling agent is in the coating
Mass content be 0.1-0.3%；Mass content of the leveling auxiliary agent in the coating is 0.3-1.2%.
The present invention also provides the preparation methods that above-mentioned water nano titanium oxide photocatalysis disinfectant purifies coating, including with
Lower step：
(1) by nano-titanium dioxide, 1/3 water and silane coupling agent after mixing in 60 DEG C of water-bath back flow reaction 5h, so
After be cooled to room temperature, product obtains silane coupler modified nano titanium dioxide by centrifuging and washing；
(2) inorganic antiseptic, anion micro mist are added sequentially in waterborne organic silicon modified acrylic acid emulsion,
Under the rotating speed of 750rpm, 15min is stirred, nano-titanium dioxide, silicate, the wetting and dispersing of the modification in step (1) are added
Agent is beaten under the rotating speed of 1200rpm, when fineness≤50 μm of slurry, rotating speed is adjusted downward to 500rpm and is cooled down；
(3) function additive is added after cooling and remaining water, the viscosity of last adjusting coating, standing is got product.
Compared with prior art, the present invention the present invention has following advantageous effect：
(1) present invention is i.e. capable of purifying air under visible light, and sterilizing prevents from going mouldy.
(2) present invention makes it not only play a role under ultraviolet light by being modified processing to nano-titanium dioxide,
Photocatalysis performance can be generated under visible light even daylight, expand its application range, it is anti-to reach preferably purification air, antibacterial
Mould effect.
(3) present invention uses Nano titanium dioxide, has excellent photocatalysis performance, but send out there is easy absorption
It is raw to reunite, and the present invention makes it be dispersed into effective nanometer particle by the way that wetting dispersing agent diethanolamine of fat acyl is added, from
And the photocatalysis performance of nano-titanium dioxide preferably occurs, meanwhile, by mixing inorganic antiseptic, synergistic effect is played, more
Purification air, the sterilizing performance of coating are played well.
(4) usability waterborne organic silicon modified acrylic acid emulsion good film-forming property of the present invention, and there is fabulous water resistance, resist
Oozing property, weatherability, flexibility and the bond strength with base, and its grain size is small, has preferable coating function, it can be by nanometer two
Titanium oxide, inorganic antiseptic, anion micro mist are securely bonded together, and the service life of coating is made to greatly prolong
(5) the raw materials used in the present invention is without organic principle, avoids organic principle volatilization or degradation and decomposition and slow release has
Malicious pernicious gas.
(6) coating property of the invention is stablized, and has excellent ageing resistance, abrasion resistance, caking property, corrosion resistance etc.
Performance can directly replace powder of lacquer putty for use on and emulsion paint and cement mortar metope to bind directly, and securely, non-scale is not fallen off, and is not split
Line.
Specific implementation mode
Form by the following examples is described in further detail the above of the present invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all based on the technology realized belonging to the above of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
This implementation water nano titanium oxide photocatalysis disinfectant purifies coating, includes the raw material group of following mass percentage
Divide and is shown in Table 1：
The raw material of the water nano titanium oxide photocatalysis disinfectant purification coating of 1 embodiment 1 of table
The water nano titanium oxide photocatalysis disinfectant purification specific preparation process of coating of the present embodiment is as follows：
(1) by nano-titanium dioxide, 1/3 water and silane coupling agent after mixing in 60 DEG C of water-bath back flow reaction 5h, so
After be cooled to room temperature, product obtains silane coupler modified nano titanium dioxide by centrifuging and washing；
(2) inorganic antiseptic, anion micro mist are added sequentially in waterborne organic silicon modified acrylic acid emulsion,
Under the rotating speed of 750rpm, 15min is stirred, nano-titanium dioxide, silicate, the wetting and dispersing of the modification in step (1) are added
Agent is beaten under the rotating speed of 1200rpm, when fineness≤50 μm of slurry, rotating speed is adjusted downward to 500rpm and is cooled down；
(3) function additive is added after cooling and remaining water, the viscosity of last adjusting coating, standing is got product.
Embodiment 2
This implementation water nano titanium oxide photocatalysis disinfectant purifies coating, includes the raw material group of following mass percentage
Divide and is shown in Table 2：
The raw material of the water nano titanium oxide photocatalysis disinfectant purification coating of 2 embodiment 2 of table
Specifically the preparation method is the same as that of Example 1 for the water nano titanium oxide photocatalysis disinfectant purification coating of the present embodiment.
Embodiment 3
This implementation water nano titanium oxide photocatalysis disinfectant purifies coating, includes the raw material group of following mass percentage
Divide and is shown in Table 3：
The raw material of the water nano titanium oxide photocatalysis disinfectant purification coating of 3 embodiment 3 of table
Specifically the preparation method is the same as that of Example 1 for the water nano titanium oxide photocatalysis disinfectant purification coating of the present embodiment
Embodiment 4
This implementation water nano titanium oxide photocatalysis disinfectant purifies coating, includes the raw material group of following mass percentage
Divide and is shown in Table 4：
The raw material of the water nano titanium oxide photocatalysis disinfectant purification coating of 4 embodiment 4 of table
Specifically the preparation method is the same as that of Example 1 for the water nano titanium oxide photocatalysis disinfectant purification coating of the present embodiment.
Embodiment 5
This implementation water nano titanium oxide photocatalysis disinfectant purifies coating, includes the raw material group of following mass percentage
Divide and is shown in Table 2：
The raw material of the water nano titanium oxide photocatalysis disinfectant purification coating of 2 embodiment 2 of table
Specifically the preparation method is the same as that of Example 1 for the water nano titanium oxide photocatalysis disinfectant purification coating of the present embodiment.
Comparative example 1
In addition to inorganic soil antiseptic, material content and step are consistent with embodiment 1.
Comparative example 2
In addition to no anion micro mist, material content and step are consistent with embodiment 1.
Test example 1
The purifying property detection data of 1-5 of the embodiment of the present invention and comparative example 1-2 products is as shown in table 6.Its test bar
Part is：(1) about 50mg material for air purification is equably taped against on four pieces of glass plates after drying and is put into 1m3It is identical in sample chamber
Under the conditions of by four blocks of blank glass plates be put into comparison cabin in.(2) 21.3 DEG C of laboratory temperature when purifying property detects, humidity
54.6%.
Product purifying rate %=[(the surveyed gas in comparison cabin terminates the surveyed gas of concentration-sample chamber and terminates concentration) ÷ comparisons
The surveyed gas in cabin terminates concentration] × 100%, wherein it is formaldehyde that the surveyed gas in comparison cabin, which terminates concentration (48 hours) (mg/m3),：
0.575, ammonia：0.668, benzene：0.230, TVOC：3.84.
The purifying property detection data of 6 embodiment 1-5 of table and comparative example 1-2 products
Test example 2
Meanwhile also the negative ion concentration of 1-5 of the embodiment of the present invention and comparative example 1-2 products are determined.Work chamber
Volume：0.1m3, temperature (19-22) DEG C, humidity (45-60) %RH.Detection sample 100mg is uniformly placed in storehouse, is stablized laggard
Row detection, detection wind speed are 0.3m/s.The results are shown in Table 7.
Table 7
| Test event | The negative aeroion amount of inducing, a/s, cm2 |
| Embodiment 1 | 2950 |
| Embodiment 2 | 3100 |
| Embodiment 3 | 3000 |
| Embodiment 4 | 3250 |
| Embodiment 5 | 3200 |
| Comparative example 3 | 2350 |
| Comparative example 4 | 2650 |
| Comparative example 5 | 2050 |
In conclusion the present invention provides a kind of water nano titanium oxide photocatalysis disinfectant purification coating and its preparation sides
Method, there is purification air, kill bacterium and other effects, it is environmentally protective, and raw materials used no organic principle, avoid organic principle
Volatilization or degradation and decomposition and slow release toxic and harmful gas, can directly replace powder of lacquer putty for use on and emulsion paint and cement mortar metope
It binds directly, securely, non-scale is not fallen off, not crackle.
It is merely a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned implementation described in upper
Invention is explained in detail for example, for those skilled in the art, still can be to foregoing embodiments
Recorded technical solution is modified or equivalent replacement of some of the technical features.All spirit in the present invention
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of water nano titanium oxide photocatalysis disinfectant purifies coating, which is characterized in that by the raw material system of following parts by weight
At：
2. water nano titanium oxide photocatalysis disinfectant according to claim 1 purifies coating, which is characterized in that described to receive
Rice titanium dioxide is anatase titanium dioxide, grain size 10-400nm, specific surface area 100-200m2/g。
3. water nano titanium oxide photocatalysis disinfectant according to claim 1 purifies coating, which is characterized in that the phosphorus
Any one or a few mixture of the hydrochlorate in sodium metasilicate, potassium silicate, calcium silicates, alumina silicate.
4. water nano titanium oxide photocatalysis disinfectant according to claim 1 purifies coating, which is characterized in that the nothing
Machine antiseptic is 1 by weight ratio:1:1 zinc oxide, copper oxide and tin oxide is made.
5. water nano titanium oxide photocatalysis disinfectant according to claim 1 purifies coating, which is characterized in that described negative
Ion micro mist is the tourmaline powder rich in boron.
6. water nano titanium oxide photocatalysis disinfectant according to claim 1 purifies coating, which is characterized in that the profit
Hygroscopic water powder is diethanolamine of fat acyl.
7. water nano titanium oxide photocatalysis disinfectant according to claim 1 purifies coating, which is characterized in that the work(
Energy auxiliary agent includes thickener, antifoaming agent, coalescents, mould inhibitor, levelling agent and leveling auxiliary agent.
8. water nano titanium oxide photocatalysis disinfectant according to claim 7 purifies coating, which is characterized in that the increasing
Thick dose is hydroxyethyl cellulose；The antifoaming agent is organosiloxane；The coalescents are dipropylene；It is described mould proof
Agent is sulfo-amino acid esters；The levelling agent is BYK-333；The leveling auxiliary agent is RM2020.
9. water nano titanium oxide photocatalysis disinfectant according to claim 7 or 8 purifies coating, which is characterized in that institute
It is 0.1-0.5% to state mass content of the thickener in the coating；Mass content of the antifoaming agent in the coating be
0.2-0.7%；Mass content of the coalescents in the coating is 0.5-1.5%；The mould inhibitor is in the coating
In mass content be 0.2-0.8%；Mass content of the levelling agent in the coating is 0.1-0.3%；The levelling
Mass content of the auxiliary agent in the coating is 0.3-1.2%.
10. purifying the preparation side of coating according to claim 1-9 any one of them water nano titanium oxide photocatalysis disinfectants
Method, which is characterized in that include the following steps：
(1) then nano-titanium dioxide, 1/3 water and silane coupling agent are dropped after mixing at 60 DEG C of water-bath back flow reaction 5h
It warms to room temperature, product obtains silane coupler modified nano titanium dioxide by centrifuging and washing；
(2) inorganic antiseptic, anion micro mist are added sequentially in waterborne organic silicon modified acrylic acid emulsion, 750rpm's
Under rotating speed, 15min is stirred, nano-titanium dioxide, silicate, the wetting dispersing agent of the modification in step (1) are added,
It is beaten under the rotating speed of 1200rpm, when fineness≤50 μm of slurry, rotating speed is adjusted downward to 500rpm and is cooled down；
(3) function additive is added after cooling and remaining water, the viscosity of last adjusting coating, standing is got product.
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| CN109012718A (en) * | 2018-09-17 | 2018-12-18 | 绍兴文理学院 | A kind of preparation method of high-performance composite photocatalyst material |
| CN110408243A (en) * | 2019-08-21 | 2019-11-05 | 江阴市天邦量子涂层科技有限公司 | Visible light photocatalysis function primary coat containing quantum dot and preparation method thereof |
| CN110527324A (en) * | 2019-08-21 | 2019-12-03 | 江阴市天邦量子涂层科技有限公司 | Woodcare paint coating surface visible light photocatalysis function treatment liquid and preparation method thereof |
| CN110527325A (en) * | 2019-08-21 | 2019-12-03 | 江阴市天邦量子涂层科技有限公司 | The visible light photocatalysis functional surfaces painting and preparation method thereof of woodenware surface |
| CN110564237A (en) * | 2019-08-13 | 2019-12-13 | 安徽朗凯奇建材有限公司 | waterproof material for metal roof and preparation method thereof |
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| CN111530505A (en) * | 2020-05-26 | 2020-08-14 | 霸州市纽莱客家具有限公司 | Photocatalyst for indoor furniture purification |
| CN111569951A (en) * | 2020-05-26 | 2020-08-25 | 霸州市纽莱客家具有限公司 | Composition for removing formaldehyde and peculiar smell of furniture |
| CN112624279A (en) * | 2019-09-24 | 2021-04-09 | 安徽银源环保科技有限公司 | Water purification, disinfection, antibacterial, odor-resistant and algaecide, and preparation method and application thereof |
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| CN114015299A (en) * | 2021-09-19 | 2022-02-08 | 宿迁空天新材料有限公司 | Preparation and application of composite nano antibacterial and antiviral coating |
| CN114591646A (en) * | 2022-03-04 | 2022-06-07 | 广东台实实业有限公司 | Wetting dispersant for water-based paint and preparation method thereof |
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Application publication date: 20180904 |