CN108456476A - A kind of light catalytic air-sterilizing purification environmental-protection interior wall coating and preparation method thereof - Google Patents
A kind of light catalytic air-sterilizing purification environmental-protection interior wall coating 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
- 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
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- 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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- 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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Abstract
The invention discloses a kind of light catalytic air-sterilizing purification environmental-protection interior wall coatings and preparation method thereof, are made of the raw material of following parts by weight：Photocatalytic nanometer titanium dioxide 38 55%, silicone acrylic emulsion 10 30%, microfine diatomaceous 2 5%, magnesium hydrate powder 1.5 3.5%, anion powder 1 3%, function additive 1.4 5.0%, silane coupling agent 2 4%, wetting dispersing agent 0.4 0.8%, surplus is deionized water.The light catalytic air-sterilizing purification environmental-protection interior wall coating of the present invention has purification air, killing bacterium and other effects, it is environmentally protective, and raw materials used no organic principle, organic principle volatilization or degradation and decomposition and slow release toxic and harmful gas are avoided, powder of lacquer putty for use on and emulsion paint and cement mortar metope can directly be replaced to bind directly, securely, non-scale is not fallen off, not crackle.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of light catalytic air-sterilizing purification environmental-protection interior wall coating and its
Preparation method.
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 photocatalysis nano-titanium dioxide light is urged in)
Change bactericidal purifying solid powder paint, including following weight than raw material：Photocatalytic nanometer titanium dioxide with visible light activity
Titanium 1-20%, silicate 20-70%, land plaster 3-5%, titanium dioxide 5-10%, powder anticaking agent 0.1-5% cure conditioner
1-10%, inorganic pigment 1-10%, filler 1-20%.The coating not will produce pollutant, and empty with purification under visible light
Gas, killing bacterium and other effects, 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, jail
Gu non-scale is not fallen off, not crackle.But it purifies air, kills bacterium ability photocatalytic nanometer that is limited, and using
Titanium dioxide is still weaker to the selection property killed and antibacterial action of bacterium, cannot be satisfied wanting for increasingly strict living environment
It asks.
Based on this, it is necessary to a kind of light catalytic air-sterilizing purification environmental-protection interior wall coating and preparation method thereof is provided, full
While foot purification air, killing bacterial action, pollutant is not will produce, it is environmentally protective, it can directly replace powder of lacquer putty for use on and latex
Paint and cement mortar inner wall surface are bound directly, and securely, non-scale is not fallen off, not crackle.
Invention content
In view of the above-mentioned analysis to the prior art, the present invention provides a kind of paintings of light catalytic air-sterilizing purification environmental-protection interior wall
Material and preparation method thereof, there is purification air, kill bacterium and other effects, it is environmentally protective, it can directly replace powder of lacquer putty for use on and emulsion paint,
It is bound directly with cement mortar inner wall surface, securely, non-scale is not fallen off, not crackle.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of light catalytic air-sterilizing purification environmental-protection interior wall coating, is made of the raw material of following parts by weight：
Preferably, the preparation method of the photocatalytic nanometer titanium dioxide is：
(1) configuration of solution：A concentration of 10mol/L of NaOH solution, a concentration of 1moL/L of hydrochloric acid solution；
(2) hydro-thermal reaction：Commercially available titania powder is added in high concentration NaOH solution, ultrasonic mixing 15-25 minutes
Either magnetic agitation makes the two be sufficiently mixed uniformly for 2-3 hours, and mixed liquor is transferred in reaction kettle and is moved in baking oven, in
At a temperature of 120-140 DEG C, hydro-thermal reaction 32-36h；
(3) separating, washing of intermediate：Reaction kettle is naturally cooled into room temperature after the hydro-thermal reaction of step 2), is taken out
Intermediate is acidified with the hydrochloric acid solution of prepared 1mol/L, and pH is made to remain 1.5, is stirred 22-26 hours, it is laggard
Row filtering and washing, operation is until smoke filtrate is neutrality repeatedly；
(4) preparation of product：By washing in step 3), at neutral product, water 24-30 is removed in drying under the conditions of 70-90 DEG C
Hour, obtain photocatalytic nanometer titanium dioxide.
Preferably, the magnesium hydrate powder is natural nano grade magnesium hydroxide particle.
Preferably, the anion powder is the powder with negative ion-releasing function, preferably with tourmaline for main group
Part, anion burst size is in 5000/cm3Above anion powder.
Preferably, the wetting dispersing agent is EFKA4560.
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, mass content of the thickener in the coating is 0.1-0.5%；The antifoaming agent is in the painting
Mass content in material is 0.2-0.7%；Mass content of the coalescents in the coating is 0.5-1.5%；It is described
Mass content of the mould inhibitor in the coating is 0.2-0.8%；Mass content of the levelling agent in the coating 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 of above-mentioned light catalytic air-sterilizing purification environmental-protection interior wall coating, including following step
Suddenly：
(1) photocatalytic nanometer titanium dioxide, 1/3 deionized water and silane coupling agent are returned in 50 DEG C of water-baths after mixing
Stream reaction 3h, is then cooled to room temperature, and product obtains silane coupler modified nano-photo catalytic by centrifuging and washing
Nano-titanium dioxide；
(2) magnesium hydrate powder, anion powder are added sequentially in silicone acrylic emulsion, under the rotating speed of 700rpm, are stirred
15min is mixed, photocatalytic nanometer titanium dioxide, microfine diatomaceous, 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 and remaining deionized water, the viscosity of last adjusting coating are added after cooling, stands up to light
Catalytic air bactericidal purifying environment-friendly interior wall coating.
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 under ultraviolet light by being modified processing to photocatalytic nanometer titanium dioxide
Effect also can generate photocatalysis performance under visible light even daylight, expand its application range, and by modification
Photocatalytic nanometer titanium dioxide and the compatibility change of other components are strong, so that coating has better purification air, resists
Bacterium anti-mold 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 EFKA4560 is added, to more preferable
The photocatalysis performance of photocatalytic nanometer titanium dioxide occurs for ground.
(4) magnesium hydrate powder that the present invention adds is alkaline matter, has preferable anti-microbial property, magnesium hydroxide particle
Be easy to make the protein denaturation of bacterium using its basic character, to by with the bacterium of coating contacts (such as Escherichia coli, golden yellow
Color staphylococcus etc.) etc. kills, have preferable antibiotic and sterilizing function.
(5) the efficient absorption diatomite that the present invention adds can enhance the absorption to pernicious gas, enhance air purification
Effect.
(6) usability silicone acrylic emulsion good film-forming property of the present invention, and with fabulous water resistance, impermeability, weatherability, flexible
Property and the bond strength with base, and its grain size is small, has preferable coating function, can be by photocatalytic nanometer titanium dioxide, hydrogen
Magnesium oxide powder, anion powder are securely bonded together, and the service life of coating is made to greatly prolong.
(7) 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.
(8) 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 light catalytic air-sterilizing purification environmental-protection interior wall coating, including the raw material components of following mass percentage are shown in
Shown in table 1：
The raw material of the light catalytic air-sterilizing purification environmental-protection interior wall coating of 1 embodiment 1 of table
The specific preparation process of light catalytic air-sterilizing purification environmental-protection interior wall coating of the present embodiment is as follows：
(1) photocatalytic nanometer titanium dioxide, 1/3 deionized water and silane coupling agent are returned in 60 DEG C of water-baths after mixing
Stream reaction 5h, is then cooled to room temperature, and product obtains silane coupler modified nano-photo catalytic by centrifuging and washing
Nano-titanium dioxide；
(2) magnesium hydrate powder, anion powder are added sequentially in silicone acrylic emulsion, under the rotating speed of 750rpm, are stirred
15min is mixed, photocatalytic nanometer titanium dioxide, microfine diatomaceous, 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 and remaining deionized water, the viscosity of last adjusting coating is added after cooling, stand up at
Product.
Embodiment 2
This implementation light catalytic air-sterilizing purification environmental-protection interior wall coating, including the raw material components of following mass percentage are shown in
Shown in table 2：
The raw material of the light catalytic air-sterilizing purification environmental-protection interior wall coating of 2 embodiment 2 of table
The light catalytic air-sterilizing purification environmental-protection interior wall coating of the present embodiment is specific, and the preparation method is the same as that of Example 1.
Embodiment 3
This implementation light catalytic air-sterilizing purification environmental-protection interior wall coating, including the raw material components of following mass percentage are shown in
Shown in table 3：
The raw material of the light catalytic air-sterilizing purification environmental-protection interior wall coating of 3 embodiment 3 of table
The light catalytic air-sterilizing purification environmental-protection interior wall coating of the present embodiment is specific, and the preparation method is the same as that of Example 1.
Embodiment 4
This implementation light catalytic air-sterilizing purification environmental-protection interior wall coating, including the raw material components of following mass percentage are shown in
Shown in table 4：
The raw material of the light catalytic air-sterilizing purification environmental-protection interior wall coating of 4 embodiment 4 of table
The light catalytic air-sterilizing purification environmental-protection interior wall coating of the present embodiment is specific, and the preparation method is the same as that of Example 1.
Embodiment 5
This implementation light catalytic air-sterilizing purification environmental-protection interior wall coating, including the raw material components of following mass percentage are shown in
Shown in table 5：
The raw material of the light catalytic air-sterilizing purification environmental-protection interior wall coating of 5 embodiment 5 of table
The light catalytic air-sterilizing purification environmental-protection interior wall coating of the present embodiment is specific, and the preparation method is the same as that of Example 1.
Comparative example 1
With reference to Chinese patent (application number：CN201310073600.6 coating made from).
Comparative example 2
In addition to silane coupling agent handles photocatalytic nanometer titanium dioxide, material content and step are consistent with embodiment 1.
Comparative example 3
In addition to no magnesium hydrate powder, material content and step are consistent with embodiment 1.
Comparative example 4
Except no negative ion powder is external, material content and step are consistent with embodiment 1.
Experimental example 1
The purifying property detection data of 1-5 of the embodiment of the present invention and comparative example 1-4 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 1-4 products
As shown in Table 6, purifying property of the invention is better than comparative example, can PARA FORMALDEHYDE PRILLS(91,95), ammonia, benzene and TVOC have it is fabulous net
Change acts on, also, the present invention is by adding magnesium hydrate powder, anion powder can play cooperative photocatalysis nano-titanium dioxide
Effect, to improve the present invention air purification performance, meanwhile, the titania modified processing of photocatalytic nanometer, wetting and dispersing
The photocatalysis performance that can effectively improve photocatalytic nanometer titanium dioxide is added in agent, to further increase the air purification of the present invention
Performance.
Experimental example 2
Verify the bactericidal effect of 1-5 of the embodiment of the present invention and comparative example 1-4 products.Its experimental condition is：2ml is a concentration of
The staphylococcus aureus of 1.0 × 107cfu/ml and Escherichia coli mixed bacteria liquid instill in culture dish, then pour into a certain amount of training
Base is supported to be uniformly mixed, until 1-5 of the embodiment of the present invention and comparative example 1-4 products compacting compacting are placed on culture medium after cooling and
At diameter about 10mm, then culture medium is placed in insulating box and cultivates 24-48h by the slice of cylinder of thickness 5mm, take out that survey it anti-
Bacterium rate, concrete outcome are shown in Table 7.
Table 7
| Test event | Staphylococcus aureus (%) | Escherichia coli (%) |
| Embodiment 1 | 98 | 99 |
| Embodiment 2 | 97 | 98 |
| Embodiment 3 | 98 | 98 |
| Embodiment 4 | 98 | 97 |
| Embodiment 5 | 98 | 98 |
| Comparative example 1 | 84 | 85 |
| Comparative example 2 | 91 | 92 |
| Comparative example 3 | 88 | 86 |
| Comparative example 4 | 92 | 90 |
As shown in Table 7, antibiotic rate of the invention is higher than comparative example, shows good sterilization ability.
In conclusion the present invention provides a kind of light catalytic air-sterilizing purification environmental-protection interior wall coating and preparation method thereof,
It is environmentally protective with purification air, killing bacterium and other effects, and raw materials used no organic principle, it avoids organic principle and waves
Hair 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 straight
Binding is closed, and securely, non-scale is not fallen off, not crackle.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of light catalytic air-sterilizing purification environmental-protection interior wall coating, which is characterized in that be made of the raw material of following parts by weight：
Photocatalytic nanometer titanium dioxide 38-55%
Silicone acrylic emulsion 10-30%
Microfine diatomaceous 2-5%
Magnesium hydrate powder 1.5-3.5%
Anion powder 1-3%
Function additive 1.4-5.0%
Silane coupling agent 2-4%
Wetting dispersing agent 0.4-0.8%
Surplus is deionized water.
2. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 1, which is characterized in that the photocatalysis
The preparation method of nano-titanium dioxide is：
（1）The configuration of solution：A concentration of 10mol/L of NaOH solution, a concentration of 1moL/L of hydrochloric acid solution；
（2）Hydro-thermal reaction：Commercially available titania powder is added in high concentration NaOH solution, ultrasonic mixing 15-25 minutes or
Being magnetic agitation makes the two be sufficiently mixed uniformly for 2-3 hours, and mixed liquor is transferred in reaction kettle and is moved in baking oven, in 120-
At a temperature of 140 DEG C, hydro-thermal reaction 32-36h；
（3）The separating, washing of intermediate：Reaction kettle is naturally cooled into room temperature after the hydro-thermal reaction of step 2), is taken out intermediate
Body is acidified with the hydrochloric acid solution of prepared 1mol/L, and pH is made to remain 1.5, is stirred 22-26 hours, is taken out later
Filter washing, operation is until smoke filtrate is neutrality repeatedly；
（4）The preparation of product：By washing in step 3), at neutral product, drying under the conditions of 70-90 DEG C removes water 24-30 hours,
Obtain photocatalytic nanometer titanium dioxide.
3. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 1, which is characterized in that the hydroxide
Magnesium powder body is natural nano grade magnesium hydroxide particle.
4. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 1, which is characterized in that the anion
Powder be the powder with negative ion-releasing function, preferably using tourmaline as Main Components, anion burst size 5000/
cm3Above anion powder.
5. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 1, which is characterized in that the wetting point
Powder is EFKA4560.
6. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 1, which is characterized in that the function helps
Agent includes thickener, antifoaming agent, coalescents, mould inhibitor, levelling agent and leveling auxiliary agent.
7. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 6, which is characterized in that the thickener
For 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.
8. light catalytic air-sterilizing purification environmental-protection interior wall coating according to claim 7, which is characterized in that the thickener
Mass content in the coating is 0.1-0.5%；Mass content of the antifoaming agent in the coating is 0.2-0.7%；
Mass content of the coalescents in the coating is 0.5-1.5%；Mass content of the mould inhibitor in the coating
For 0.2-0.8%；Mass content of the levelling agent in the coating is 0.1-0.3%；The leveling auxiliary agent is in the coating
In mass content be 0.3-1.2%.
9. according to the preparation method of claim 1-8 any one of them light catalytic air-sterilizing purification environmental-protection interior wall coatings,
It is characterized in that, includes the following steps：
（1）Photocatalytic nanometer titanium dioxide, 1/3 deionized water and silane coupling agent is anti-in 50 DEG C of water-bath reflux after mixing
3h is answered, room temperature is then cooled to, product obtains silane coupler modified nano-photo catalytic nanometer by centrifuging and washing
Titanium dioxide；
（2）Magnesium hydrate powder, anion powder are added sequentially in silicone acrylic emulsion, under the rotating speed of 700rpm, stirring
15min adds step（1）In modification photocatalytic nanometer titanium dioxide, microfine diatomaceous, wetting dispersing agent,
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 and remaining deionized water, the viscosity of last adjusting coating are added after cooling, stands up to photocatalysis
Air disinfection purification environmental-protection interior wall coating.
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| CN (1) | CN108456476A (en) |
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| CN110332631A (en) * | 2019-08-09 | 2019-10-15 | 重庆工商大学 | A kind of novel photocatalyst air purifier |
| CN110585915A (en) * | 2019-09-30 | 2019-12-20 | 宁波康瑞洁纳米环保科技有限公司 | Composite air catalyst spherical nano-mineral crystal purification particle and preparation method thereof |
| CN110670852A (en) * | 2019-09-25 | 2020-01-10 | 南通市建筑装饰装璜有限公司 | Indoor environment-friendly wall surface decoration method |
| CN115806762A (en) * | 2022-11-29 | 2023-03-17 | 维大树脂化工（台山）有限公司 | Negative ion antibacterial water-based paint and production process thereof |
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| CN1607231A (en) * | 2003-10-15 | 2005-04-20 | 上海奥顿特种涂料厂 | Paint with sterilization and air-purifying function for internal wall |
| CN1696228A (en) * | 2005-05-26 | 2005-11-16 | 北京科技大学 | Light catalyzed coating modified by nitrogen dopen Nano titanium dioxide and preparation method |
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| CN1607231A (en) * | 2003-10-15 | 2005-04-20 | 上海奥顿特种涂料厂 | Paint with sterilization and air-purifying function for internal wall |
| CN1557891A (en) * | 2004-01-15 | 2004-12-29 | 中山大学 | Light-catalyzed air-cleaning water environmental protection paint for inner wall |
| CN1696228A (en) * | 2005-05-26 | 2005-11-16 | 北京科技大学 | Light catalyzed coating modified by nitrogen dopen Nano titanium dioxide and preparation method |
| CN104130638A (en) * | 2014-07-18 | 2014-11-05 | 安徽千和新材料科技发展有限公司 | Aqueous fire-proof corrosion-proof paint for steel structure and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332631A (en) * | 2019-08-09 | 2019-10-15 | 重庆工商大学 | A kind of novel photocatalyst air purifier |
| CN110670852A (en) * | 2019-09-25 | 2020-01-10 | 南通市建筑装饰装璜有限公司 | Indoor environment-friendly wall surface decoration method |
| CN110585915A (en) * | 2019-09-30 | 2019-12-20 | 宁波康瑞洁纳米环保科技有限公司 | Composite air catalyst spherical nano-mineral crystal purification particle and preparation method thereof |
| CN115806762A (en) * | 2022-11-29 | 2023-03-17 | 维大树脂化工（台山）有限公司 | Negative ion antibacterial water-based paint and production process thereof |
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Application publication date: 20180828 |