CN1687268A - Controlled released stably coating material capable of purifying air and preparation method thereof - Google Patents
Controlled released stably coating material capable of purifying air and preparation method thereof Download PDFInfo
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- CN1687268A CN1687268A CN 200510025661 CN200510025661A CN1687268A CN 1687268 A CN1687268 A CN 1687268A CN 200510025661 CN200510025661 CN 200510025661 CN 200510025661 A CN200510025661 A CN 200510025661A CN 1687268 A CN1687268 A CN 1687268A
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Abstract
The present invention adopts special dispersion technological process and nano treatment process to make the material capable of releasing negative ions into a nano negative ion powder pulp, then adds the nano negative ion powder pulp to paint so as to obtain a long-acting stable air-purifying paint. Said paint can effectively decompose harmful gases in the air, such as formaldehyde, benzene, dimethylbenzene and nitrogen oxide, etc, and the harmful gas removing rate can be up to above 90%, and can automatically release negative ions for a long period. Its paint solid content is 20-70 wt%, and negative ion powder content is 1-10 wt%.
Description
Technical field
The present invention relates to chemical field, is long-acting stable coating that purifies air of a kind of energy and preparation method thereof.
Background technology
Negative ion is meant and has obtained one or more electronics and electronegative ion, at fountain, waterfall, the beach, ground such as lake are with fresh air, breathe happy, exactly because contain a large amount of negative ions in the air, negative ion not only can improve Air quality, with health role to human body---free radical is not had poison, make body fluid become weakly alkaline, it can also reduce from atmospheric pollution substance such as oxynitrides, the active oxygen that cigarette etc. produce, the atmospheric polluting material of neutral zone positive electricity such as dust, waste gas, virus, biological suspension pollutents such as bacterium are eliminated toxic and harmful such as benzene, formaldehyde, ketone, ammonia, acid smell, the body odor flavor, cigarette peculiar smell etc.
At present, the applied research of relevant anion material is more, has introduced a kind of anion fine-purification air material and preparation method thereof as the patent CN1478755 of Chen Rongkun; The patent CN1242943 of Jin Zongzhe etc. has introduced a kind of purifying air and antibiotic functional material and manufacture method thereof of rare-earth activated generation negative ion of utilizing; The patent CN1526453 of Cheng Qijin has introduced a kind of negative ion catalyzing deodorizing material and manufacture method thereof, and negative ion powder and tackiness agent are made into clay, and appendix makes the negative ion catalyzing deodorizing material on base material; The peaceful patent CN1488688 that waits of minister in ancient times has introduced a kind of negative ion type healthy building interiro wall latex paint and preparation method thereof, prepares interiro wall latex paint by vinyl polymer emulsion, dispersion agent, wetting agent, pigment, filler, negative ion releasable material, thickening material, pH regulator agent and water.The negative ion releasable material is used as if directly being added in the base-material without special processing, particle diameter is bigger, usage period is short, destroy the stability of base-material easily, can't guarantee the negative ion that discharges steady in a long-term, but not appear in the newspapers as yet about the miniaturization processing of negative ion releasable material, research long-lasting and stable aspect.
Summary of the invention
The purpose of this invention is to provide the complete Water-borne modification of a kind of excellent property, contain stable can permanent automatic release negative ion and can long-acting stable coating that purifies air and preparation method thereof.
A kind of long-acting stable air purifying coating that the present invention proposes, it is air purifying coating, it is nano-negative ion powder slurry water-based, that contain superfine crystal powder with piezoelectric effect and photocatalytic effect, the content of its negative ion powder is 1-10wt%, coating solid content 20-70wt%, negative ion powder are the nano powder slurries of tourmalinite, silicate crystal, ceramic powder or titanium dioxide.
The preparation method of a kind of long-acting stable air purifying coating that the present invention proposes, be earlier negative ion powder Ball milling and ultra-sonic dispersion to be prepared nano-negative ion powder slurry stable, can permanent automatic release negative ion, water, color stuffing, propylene glycol, auxiliary agent are uniformly dispersed, add nano-negative ion powder slurry, water-base resin, film coalescence aid dispersion again, regulate viscosity with thickening material and get final product, above-mentioned by weight percentage each raw material consumption is as follows:
Weight percentages of components (wt%)
Nano-negative ion powder slurry 1-15
Propylene glycol 0.2-3
Auxiliary agent 0.2-8
Water-base resin 25-55
Color stuffing 15-35
Film coalescence aid 0.1-5
Thickening material 0.05-2
Water 10-40
Water-base resin of the present invention, dispersion resin etc. are auxiliary to be existing water-borne coatings common resins with agent.
The preparation method of a kind of long-acting stable air purifying coating that the present invention proposes, the auxiliary agent of employing is the used dispersion agent of existing coating, wetting agent, defoamer, sanitas, pH regulator agent, catalyzer etc.
The preparation method of a kind of long-acting stable air purifying coating that the present invention proposes, the color stuffing that adopts is the conventional color stuffing of water-borne coatings, select wherein one or more for use, as titanium dioxide, zinc oxide, ferric oxide, talcum powder, mica powder, lime carbonate, kaolin etc.
The preparation method of a kind of long-acting stable air purifying coating that the present invention proposes, the film coalescence aid of employing, thickening material are water-borne coatings with conventional film coalescence aid, thickening material.
Specifically, air purifying coating of the present invention is made up of nano-negative ion powder slurry, color stuffing, propylene glycol, auxiliary agent, water-base resin, film coalescence aid, thickening material, water, wherein, (1) contains a kind of nano-negative ion powder slurry at least, and consumption is the 1-15wt% of total amount; (2) contain auxiliary agent, consumption is the 0.2-8wt% of total amount; (3) contain a kind of water-base resin at least, consumption is the 25-55wt% of total amount; (4) contain a kind of conventional coating color stuffing, a kind of conventional coating film coalescence aid, a kind of conventional coating thickener at least, the color stuffing consumption is the 15-35wt% of total amount, the film coalescence aid consumption is the 0.1-5wt% of total amount, and the thickening material consumption is the 0.05-2wt% of total amount.
Concrete preparation process is as follows: add coagent, dispersion agent and water earlier, stir, add negative ion powder again, Ball milling 0.5-5 hour, ultra-sonic dispersion 0-60 minute again, add dispersion resin, thickening material and disperse preparation in 5-20 minute nano-negative ion powder slurry stable, can permanent automatic release negative ion at 300-1000rpm low speed;
Water, color stuffing, propylene glycol, auxiliary agent are added in the Scattered Kettle, under the velocity of shear of 1000-2500rpm, stirred 0.5-1 hour, add nano-negative ion powder slurry, water-base resin, film coalescence aid again, under the velocity of shear of 500-1000rpm, mix, regulate viscosity with thickening material at last and get final product.
The preparation method of a kind of long-acting stable air purifying coating that the present invention proposes, be to adopt a kind of stable nano-negative ion powder slurry that can permanent automatic release negative ion, be made up of negative ion powder, coagent, dispersion agent, dispersion resin, thickening material and water, each component concentration is as follows:
Ingredients weight parts wt%
Negative ion powder 30-70
Coagent 0-10
Water 15-60
Dispersion agent 0.5-5
Dispersion resin 1-15
Thickening material 0.1-3,
Specifically, nano-negative ion powder slurry of the present invention is made up of negative ion powder, coagent, dispersion agent, dispersion resin, thickening material and water, and wherein, (1) contains a kind of negative ion powder at least, and consumption is the 30-70wt% of slurry total amount; (2) contain a kind of coagent at least, consumption is the 0-10wt% of slurry total amount; (3) contain a kind of dispersion agent at least, consumption is the 0.5-5wt% of slurry total amount; (4) contain a kind of dispersion resin at least, consumption is the 1-15wt% of slurry total amount; (5) contain a kind of thickening material at least, consumption is the 0.1-3wt% of slurry total amount.
The present invention can add coagent, dispersion agent and water earlier, and stirring at low speed is even, adds negative ion powder again, and Ball milling 0.5-5 hour, ultra-sonic dispersion 0-60 minute again, adding dispersion resin, thickening material disperseed to get final product in 5-20 minute at 300-1000rpm low speed.
The preparation method of the nano-negative ion powder slurry that the present invention proposes, the negative ion powder that adopts is that particle diameter is the superfine crystal powder with piezoelectric effect and photocatalytic effect of 10-300nm, can be under the faint variation (as the temperature difference, illumination, friction, pressure) of ambient conditions, self produces very high electric field, make malaria ionization on every side produce negative ion, select 1-3 kind wherein for use, as producing Kweiyang stone, jade, volcanic rock, medical stone, zeolite, ceramic powder or the titanium dioxide etc. of negative ion.
Good conditions of the present invention is:
The preparation method of the nano-negative ion powder slurry that the present invention proposes, the coagent of employing is alcohols or pure ethers, selects 1-3 kind wherein for use, as ethylene glycol, propylene glycol, propylene glycol, glycol ether etc.
The preparation method of the nano-negative ion powder slurry that the present invention proposes, the dispersion agent of employing is polyacrylic acid alcohol amine salt, polyacrylic acid sodium salt, titanic acid ester, modified polyacrylate or fatty amine, selects 1-3 kind wherein for use.
The preparation method of the nano-negative ion powder slurry that the present invention proposes, the dispersion resin that adopts is pure acrylic acid ester emulsion, organic silicon-acrylate emulsion, waterborne polyurethane resin, water-compatible amino resin, aqueous alkide resin, aqueous polyester resin, selects 1-2 kind wherein for use.
The preparation method of the nano-negative ion powder slurry that the present invention proposes, the thickening material of employing is Polyacrylic Acid Thickener, cellulose thickener, polyurethane associative thickener, selects 1-3 kind wherein for use.
The preparation method of a kind of long-acting stable air purifying coating that the present invention proposes, the water-base resin of employing is acrylic ester emulsion, organic silicon-acrylate emulsion, waterborne polyurethane resin, aqueous alkide resin, selects 1-2 kind wherein for use.
Long-acting stable air purifying coating of the present invention is used for the extraneous adornment and the interior finish of various buildingss, as is used for internal and external ornament coating, road guard coating, heavy construction internal and external ornament coating of buildings inner, external wall coating, hospital, school etc.
The present invention compared with prior art has the following advantages: the present invention selects the negative ion powder and the coagent of appropriate particle size for use, dispersion agent, dispersion resin, thickening material mixes, adopt Ball milling and ultra-sonic dispersion prepared stable, nano-negative ion powder slurry that can permanent automatic release negative ion, negative ion releasable material good stability in coating after treatment, persistence is strong, can not influence the stability of base material and coating, energy airborne obnoxious flavour of permanently effective decomposition such as formaldehyde, benzene, dimethylbenzene, oxynitride etc., the obnoxious flavour clearance can reach more than 90%, and permanent automatic release negative ion has efficient purification, the effect of pure and fresh ambient air and antibacterial bacteriostatic.The coating color and luster is soft, the feel exquisiteness, and sticking power is not good, and is easy to crack, come off, and excellent storage stability has splendid decorative effect and the effect that purifies air.After testing, this coating is in manual simulation's case, and the clearance to ammonia, formaldehyde and benzene after 96 hours is respectively 93%, 94% and 94%.
Embodiment
Example 1:
Nano-negative ion powder formula of size 1 is as follows:
Tourmaline powder 50 grams
Volcanics stone flour 20 grams
Medical stone powder 20 grams
Propylene glycol 10 grams
Water 25 grams
Titanic acid ester dispersion agent 1.5 grams
Modified polyacrylate dispersion agent 1 gram
Aqueous alkide resin 22 grams
Thickening material 0.5 gram
In the 250ml Scattered Kettle, add 10 gram propylene glycol, 2.5 gram dispersion agents and 25 gram water earlier, stirring at low speed is even, add 90 gram negative ion powders again, Ball milling 2 hours, ultra-sonic dispersion is 20 minutes again, adds 22 gram aqueous alkide resins, 0.5 gram thickening material disperseed 10 minutes at 500rpm low speed, prepares nano-negative ion powder slurry 1 stable, can permanent automatic release negative ion.
It is as follows that long-acting stable air purifies formulation for coating material 1:
Nano-negative ion powder slurry 1 15 grams
Propylene glycol 5 grams
Auxiliary agent 8 grams
Acrylic ester emulsion 300 grams
Color stuffing 300 grams
Film coalescence aid 15 grams
Thickening material 1 gram
Water 360 grams
In the 1500ml Scattered Kettle, 360 gram water, 300 gram color stuffings, 5 gram propylene glycol, 8 gram auxiliary agents are added in the Scattered Kettle, under the velocity of shear of 2000rpm, stirred 0.5 hour, add 15 gram nano-negative ion powder slurries, 1,300 gram acrylic ester emulsions, 20 gram film coalescence aid again, under the velocity of shear of 1000rpm, mix, regulate viscosity with 1 gram thickening material at last and can obtain long-acting stable air purification coating.
Example 2:
Nano-negative ion powder formula of size 2 is as follows:
Titanium dioxide powder 30 grams
Jade powder 20 grams
Ceramic powder 25 grams
Water 44 grams
Titanic acid ester dispersion agent 1 gram
Polyacrylic acid hydramine dipersant 2 grams
Sodium polyacrylate dipersant 3 grams
Dispersion agent 6 grams
Waterborne polyurethane resin 20 grams
Water-compatible amino resin 2 grams
Thickening material 3 grams
In the 250ml Scattered Kettle, add 6 gram dispersion agents and 44 gram water earlier, stirring at low speed is even, add 75 gram negative ion powders again, Ball milling 5 hours, ultra-sonic dispersion is 10 minutes again, adds 20 gram waterborne polyurethane resins, 2 gram water-compatible amino resins, 3 gram thickening materials and disperses 20 minutes at 1000rpm low speed, prepares nano-negative ion powder slurry 2 stable, can permanent automatic release negative ion.
It is as follows that long-acting stable air purifies formulation for coating material 2:
Nano-negative ion powder slurry 2 40 grams
Propylene glycol 15 grams
Auxiliary agent 12 grams
Organic silicon-acrylate emulsion 150 grams
Waterborne polyurethane resin 300 grams
Color stuffing 200 grams
Film coalescence aid 10 grams
Thickening material 2 grams
Water 270 grams
In the 1500ml Scattered Kettle, 270 gram water, 200 gram color stuffings, 15 gram propylene glycol, 12 gram auxiliary agents are added in the Scattered Kettle, under the velocity of shear of 1500rpm, stirred 1 hour, add 40 gram nano-negative ion powder slurries, 2,150 gram organic silicon-acrylate emulsions, 300 gram waterborne polyurethane resins, 10 gram film coalescence aid again, under the velocity of shear of 500-1000rpm, mix, regulate viscosity with 2 gram thickening materials at last and can obtain long-acting stable air purification coating.
Example 3:
Nano-negative ion powder formula of size 3 is as follows:
Titanium dioxide powder 70 grams
Zeolite 30 grams
Ethylene glycol 4 grams
Butyl glycol ether 5 grams
Water 30 grams
Aliphatic amide dispersion agent 4 grams
Titanic acid ester dispersion agent 1 gram
Organic silicon-acrylate emulsion 5 grams
Thickening material 1 gram
In the 250ml Scattered Kettle, add 4 gram ethylene glycol, 5 gram butyl glycol ethers, 5 gram dispersion agents and 30 gram water earlier, stirring at low speed is even, add 100 gram negative ion powders again, Ball milling 5 hours, ultra-sonic dispersion is 60 minutes again, adds 5 gram organic silicon-acrylate emulsions, 1 gram thickening material disperseed 20 minutes at 1000rpm low speed, prepares nano-negative ion powder slurry 3 stable, can permanent automatic release negative ion.
It is as follows that long-acting stable air purifies formulation for coating material 3:
Nano-negative ion powder slurry 3 130 grams
Propylene glycol 25 grams
Auxiliary agent 24 grams
Aqueous alkide resin 50 grams
Waterborne polyurethane resin 400 grams
Acrylic ester emulsion 80 grams
Color stuffing 170 grams
Film coalescence aid 1 gram
Thickening material 10 grams
Water 120 grams
In the 1500ml Scattered Kettle, 120 gram water, 170 gram color stuffings, 25 gram propylene glycol, 24 gram auxiliary agents are added in the Scattered Kettle, under the velocity of shear of 2500rpm, stirred 0.5 hour, add 130 gram nano-negative ion powder slurries, 3,50 gram aqueous alkide resins, 400 gram waterborne polyurethane resins, 80 gram acrylic ester emulsions, 1 gram film coalescence aid again, under the velocity of shear of 800rpm, mix, regulate viscosity with 10 gram thickening materials at last and can obtain long-acting stable air purification coating.
Example 4:
Nano-negative ion powder formula of size 4 is as follows:
Tourmaline powder 45 grams
Propylene glycol butyl ether 7 grams
Water 72 grams
Polyacrylic acid hydramine dispersion agent 2 grams
Aqueous polyester resin 5 grams
Acrylic ester emulsion 5 grams
Waterborne polyurethane resin 10 grams
Thickening material 4 grams
In the 250ml Scattered Kettle, add 7 gram propylene glycol butyl ether, 2 gram dispersion agents and 72 gram water earlier, stirring at low speed is even, add 45 gram negative ion powders again, Ball milling 3 hours, add 5 gram aqueous polyester resins, 5 gram acrylic ester emulsions, 10 gram waterborne polyurethane resins, 4 gram thickening materials and disperseed 20 minutes, prepare nano-negative ion powder slurry 4 stable, can permanent automatic release negative ion at 600rpm low speed.
It is as follows that long-acting stable air purifies formulation for coating material 4:
Nano-negative ion powder slurry 4 80 grams
Propylene glycol butyl ether 25 grams
Auxiliary agent 4 grams
Acrylic ester emulsion 150 grams
Organic silicon-acrylate emulsion 250 grams
Color stuffing 250 grams
Film coalescence aid 5 grams
Thickening material 6 grams
Water 260 grams
In the 1500ml Scattered Kettle, 260 gram water, 250 gram color stuffings, 25 gram propylene glycol, 4 gram auxiliary agents are added in the Scattered Kettle, under the velocity of shear of 2000rpm, stirred 1 hour, add 80 gram nano-negative ion powder slurries, 4,150 gram acrylic ester emulsions, 250 gram organic silicon-acrylate emulsions, 5 gram film coalescence aid again, under the velocity of shear of 1000rpm, mix, regulate viscosity with 6 gram thickening materials at last and can obtain long-acting stable air purification coating.
Claims (11)
1. the long-acting stable coating that purifies air of an energy, it is characterized in that it being air purifying coating, it is nano-negative ion powder slurry Water-borne modification, that contain superfine crystal powder with piezoelectric effect and photocatalytic effect, the content of nano-negative ion powder is 1-10wt%, coating solid content 20-70wt%, negative ion powder are the nano powder slurries of tourmalinite, silicate crystal, ceramic powder or titanium dioxide.
2. the preparation method of a long-acting stable air purifying coating, it is characterized in that earlier negative ion powder Ball milling and ultra-sonic dispersion are made nano-negative ion powder slurry stable, can permanent automatic release negative ion, being uniformly dispersed water, color stuffing, propylene glycol, auxiliary agent afterwards, adding nano-negative ion powder slurry, water-base resin, film coalescence aid disperse, regulate viscosity with thickening material and get final product, above-mentioned by weight percentage each raw material consumption is as follows:
Weight percentages of components wt%
Nano-negative ion powder slurry 1-15
Auxiliary agent 0.2-8
Propylene glycol 0.2-3
Water-base resin 25-55
Color stuffing 15-35
Film coalescence aid 0.1-5
Thickening material 0.05-2
Water 10-40
Concrete preparation process is as follows: add coagent, dispersion agent and water earlier, stir, add negative ion powder again, Ball milling 0.5-5 hour, ultra-sonic dispersion 0-60 minute again, add dispersion resin, thickening material and disperse preparation in 5-20 minute nano-negative ion powder slurry stable, can permanent automatic release negative ion at 300-1000rpm low speed;
Water, color stuffing, propylene glycol, auxiliary agent are added in the Scattered Kettle, under the velocity of shear of 1000-2500rpm, stirred 0.5-1 hour, add nano-negative ion powder slurry, water-base resin, film coalescence aid again, under the velocity of shear of 500-1000rpm, mix, regulate viscosity with thickening material at last and get final product.
3. according to the described nano-negative ion powder of claim 2 slurry preparation method, it is characterized in that forming, it is characterized in that each component concentration is as follows by negative ion powder, coagent, dispersion agent, dispersion resin, thickening material and water:
Ingredients weight parts wt%
Negative ion powder 30-70
Coagent 0-10
Water 15-60
Dispersion agent 0.5-5
Dispersion resin 1-15
Thickening material 0.1-3.
4. according to the described preparation method of claim 2, it is characterized in that adding earlier coagent, dispersion agent and water, stirring at low speed is even, add negative ion powder again, Ball milling 0.5-5 hour, ultra-sonic dispersion 0-60 minute again, adding dispersion resin, thickening material disperseed to get final product in 5-20 minute at 300-1000rpm low speed.
5. according to the described preparation method of claim 2, it is characterized in that negative ion powder is that particle diameter is the superfine crystal powder with piezoelectric effect and photocatalytic effect of 10-300nm.
6. according to the described preparation method of claim 2, it is characterized in that coagent is alcohols or pure ethers, is 1-3 kind wherein.
7. according to the described preparation method of claim 2, it is characterized in that dispersion agent is polyacrylic acid alcohol amine salt, polyacrylic acid sodium salt, titanic acid ester, modified polyacrylate or fatty amine, is 1-3 kind wherein.
8. according to the described preparation method of claim 2, it is characterized in that dispersion resin is pure acrylic acid ester emulsion, organic silicon-acrylate emulsion, waterborne polyurethane resin, water-compatible amino resin, aqueous alkide resin, aqueous polyester resin, is 1-2 kind wherein.
9. according to the described preparation method of claim 2, it is characterized in that thickening material is Polyacrylic Acid Thickener, cellulose thickener, polyurethane associative thickener, is 1-3 kind wherein.
10. according to the described preparation method of claim 2, it is characterized in that water-base resin is acrylic ester emulsion, organic silicon-acrylate emulsion, waterborne polyurethane resin, aqueous alkide resin, is 1-2 kind wherein.
11. coating according to claim 1 and 2 is in the extraneous adornment of various buildingss and the application in the interior finish.
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