CN101245211A - Coating composition with antimicrobial and air purification function - Google Patents
Coating composition with antimicrobial and air purification function Download PDFInfo
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- CN101245211A CN101245211A CNA2008100450510A CN200810045051A CN101245211A CN 101245211 A CN101245211 A CN 101245211A CN A2008100450510 A CNA2008100450510 A CN A2008100450510A CN 200810045051 A CN200810045051 A CN 200810045051A CN 101245211 A CN101245211 A CN 101245211A
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Abstract
The invention provides a coating composition with antibacterial and air purification function, which comprises 1 to 10 parts by weight of doping four acicular zinc oxide whisker, 1 to 10 parts by weight of mesoporous filler, 40 to 55 parts by weight of acrylate emulsion, 10 to 30 parts by weight of titanium dioxide, 10 to 25 parts by weight of filler talcum powder, and 0.5 to 10 parts by weight of addition agent, that are calculated according to part by weight; wherein, the doping ion is one or more than one elements among Fe<3+>, Cu<2+>, Ag<+> or V<5+>. The coating composition constructed by ordinary spraying or brushing has long-term antibacterial and air purification effects after curing and film forming; the antibacterial effect to staphylococcus aureus, escherichia coli, salmonella typhimurium and other ordinary bacteria in indoor air reaches more than 95 percent, and the degradation rate to formaldehyde with thickness of 0.75 to 0.85 in 12h, 24h, 48h and 72h reaches respectively to 50 percent, 70 percent, 82 percent and more than 85 percent. The coating composition with antibacterial and air purification function is mainly used as indoor coating.
Description
Technical field:
The present invention relates to a kind of functional coating composition, particularly relate to a kind of antibiotic and coating composition air-cleaning function of having
Background technology:
Microorganisms such as bacterium are present in the various occasions around us, comprising a large amount of harmful even fatal microorganisms.And people's life also is subjected to more and more serious chemical industrie exhaust emission with the environment of working, for example formaldehyde, benzene, ammonia, NOx, SOx and dioxin and Environmental Hormone etc.Wherein, formaldehyde has become the major chemical contaminants of room air, preferentially controls above-listed second of list at China's noxious chemical.Use physics and chemical pollution treatment means such as sorbent material, chemical reagent and sterilizing agent, can only solve temporary problem, and may bring new environmental problem.Will effectively prevent microbial growth, breed, spread and propagate, reduce the use of disposable sterilization agent and chemical reagent simultaneously, adopting the antibiotic and surrounding purifying material of long lasting mineral-type be the simplest, safety and effective means.The ZnOw of four acicular structures (T-ZnOw) has nano level tip and single crystal crystalline texture, can equably most advanced and sophisticated nano effect be dispersed in the composite system by the needles of micro-meter scale.In addition, zinc oxide has good energy level and active adjustability as a kind of wide bandgap semiconductor compound, can by mix, technique means such as compound, sensitization controls its semi-conductor energy level and active oxygen discharges, thereby obtain anti-biotic material efficient, wide spectrum.Japanese patent laid-open 5-912, report is compound with T-ZnOw and silver salt, has prepared the inorganic antiseptic with excellent antibacterial effect, and obtains to use in differing materials and environment.In order to improve antibacterial effect, need to add silver ions as one of main anti-microbial activity composition, and wherein silver ions still faces discoloration problem.Chinese patent ZL 03117502.3 discloses a kind of ZnOw complex antimicrobials composition and method of making the same, and kinetics and whisker structure control by process of growth obtain moderate length (5～10 μ m), the outstanding T-ZnOw of most advanced and sophisticated nano effect; Control by envrionment conditionss such as whisker growth atmosphere, it is in-situ doped to adopt the monovalent base metal ion to carry out simultaneously, increase the active oxygen burst size, improve the T-ZnOw anti-microbial activity, and further with the compound antimicrobial composition that obtains of semi-conductors such as nano zine oxide and nano titanium oxide.
Summary of the invention:
The object of the present invention is to provide a kind of doping four acicular type zinc oxide crystal whisker that in system, adds through the transition metallic ion-doping modification, and and coating composition air-cleaning function antibiotic as having of its main active ingredient.
The present invention have antibiotic and air-cleaning function coating composition component by weight, comprise 1～10 part of doping four acicular type zinc oxide crystal whisker, 1～10 part of mesoporous filler, 40～55 parts of acrylic ester emulsions, 10～30 parts of titanium dioxide, 10～25 parts of filler talcum powder, 0.5～10 part of auxiliary agent.Wherein, the doping four acicular type zinc oxide crystal whisker is the main active ingredient of this coating composition, has the long acting antibiotic effect, produce hydroxyl radical free radical and superoxide radical isoreactivity center by activating airborne water and oxygen, thereby the rapid structure of destroy microorganisms and obnoxious flavour reaches the purpose of antimicrobial purifying air.Its preparation method is, is 0.5～20 μ m in length, and has nano level (1～50nm) cutting-edge structure four acicular type zinc oxide crystal whisker single crystal surface sprinkling Fe
3+, Cu
2+, Ag
+, V
5+10% (weight) salts solutions of one or more doped metal ions, its doping percentage ratio meter by weight is, the doped metal ion amount is 0.3～3% of a four acicular type zinc oxide crystal whisker weight, again through 60～120 ℃ of air stream dryings, in 500～800 ℃ of roasting temperatures 15～60 minutes, four acicular type zinc oxide crystal whisker must mix at last; Mesoporous filler is at least a in molecular sieve, gac or the porous water glass, and particle dia is 0.3～10 μ m,, the mesoporous 0.5～500nm that is of a size of.Utilize its high efficiency of additive capability to catch airborne obnoxious flavour and microorganism, the effect that improves the antibiotic of coating and purify air; Use acrylic ester emulsion as binding agent, in system, bring into play cohesive action; The filler talcum powder is a filling effect; Auxiliary agent is dispersion agent two sodium-metaphosphates and anti-settling agent wilkinite.The former effect helps the coating each component to be uniformly dispersed better, and the latter's effect is to prevent that filler talcum powder and mesoporous filler from sedimentation taking place in depositing process.
The advantage that the present invention has the coating composition of antibiotic and air-cleaning function is: one, this coating composition have long lasting antibiotic and air purification effect through general spraying or brush application behind the film-forming.Antibacterial effect to common bacterias such as the streptococcus aureus in the room air, colon bacillus, Salmonella typhimuriums reaches more than 95%, 12 hours, 24 hours, 48 hours and 72 hours are that 0.75～0.85 Degradation Formaldehyde rate reaches respectively more than 50%, 70%, 82% and 85% to concentration, and have the effect of remarkable reduction room air peculiar smell.Its two, compared with prior art, do not use silver ions easy to change and expensive; Do not use yet persistence poor, easily bring the organic anti-bacterial composition of secondary pollution; Make full use of the most advanced and sophisticated nano effect of four acicular type zinc oxide crystal whisker and the long-effect active effect of mixing and bringing, do not need illumination condition, avoided the problem of other nanoparticle difficulties in dispersion again.
Embodiment
To be length be 0.5～20 μ m to used four acicular type zinc oxide crystal whisker in following examples, and have nano level (1～50nm) cutting-edge structure four acicular type zinc oxide crystal whisker single crystal.
Embodiment 1:
Proportioning raw materials following (each component is by weight):
Fe
3+1 part of doping four acicular type zinc oxide crystal whisker
10 parts in molecular sieve
40 parts of acrylic ester emulsions
20 parts of titanium dioxide
25 parts of filler talcum powder
2 parts of two sodium-metaphosphates
2 parts of wilkinites
Wherein, Fe
3+The preparation of doping four acicular type zinc oxide crystal whisker is, with the FeCl of 10% (weight)
3The aqueous solution is sprayed at the four acicular type zinc oxide crystal whisker surface, and use level percentage ratio meter by weight is Fe
3+Content be 1% of four acicular type zinc oxide crystal whisker, through 60 ℃ of air stream dryings, constant temperature calcining 15 minutes in 800 ℃ chamber type electric resistance furnace then, Fe
3+The doping four acicular type zinc oxide crystal whisker.
In a mixing bowl, add titanium dioxide, filler talcum powder, molecular sieve, two sodium-metaphosphates, wilkinite and suitable quantity of water successively and disperse, and mix with acrylic ester emulsion, add Fe at last
3+The doping four acicular type zinc oxide crystal whisker mixes, and gets the present invention and has antibiotic and coating composition air-cleaning function.It is antibiotic and the decomposing formaldehyde effect is as shown in table 1.
Embodiment 2:
Proportioning raw materials following (each component is by weight):
V
5+3.5 parts of doping four acicular type zinc oxide crystal whiskers
1 part of porous water glass
55 parts of acrylic ester emulsions
30 parts of titanium dioxide
10 parts of filler talcum powder
0.25 part of two sodium-metaphosphate
0.25 part of wilkinite
Wherein, Fe
5+The preparation of doping four acicular type zinc oxide crystal whisker is, with the VCl of 10% (weight)
5The aqueous solution is sprayed at the four acicular type zinc oxide crystal whisker surface, and use level percentage ratio meter by weight is V
5+Content be 0.3% of four acicular type zinc oxide crystal whisker, through 90 ℃ of air stream dryings, constant temperature calcining 60 minutes in 500 ℃ chamber type electric resistance furnace then, V
5+The doping four acicular type zinc oxide crystal whisker.Operation later on must have antibiotic and coating composition air-cleaning function with embodiment 1.It is antibiotic and the decomposing formaldehyde effect is as shown in table 1.
Embodiment 3:
Proportioning raw materials following (each component is by weight):
Fe
3+, V
5+, Cu
2+5 parts of doping four acicular type zinc oxide crystal whiskers
1 part in molecular sieve
1 part of activated carbon
1 part of porous water glass
45 parts of acrylic ester emulsions
25 parts of titanium dioxide
20 parts of filler talcum powder
1 part of two sodium-metaphosphate
1 part of wilkinite
Wherein, Fe
3+, V
5+, Cu
2+The preparation of doping four acicular type zinc oxide crystal whisker is, with the FeCl of 10% (weight)
3, VCl
5, CuCl
2Be sprayed at the four acicular type zinc oxide crystal whisker surface after the aqueous solution, use level percentage ratio meter by weight is Fe
3+, V
5+, Cu
2+Content be respectively 0.3%, 0.5%, 0.7% of four acicular type zinc oxide crystal whisker, through 80 ℃ of air stream dryings, constant temperature calcining 50 minutes in 700 ℃ chamber type electric resistance furnace then, Fe
3+, V
5+, Cu
2+The doping four acicular type zinc oxide crystal whisker.Operation later on must have antibiotic and coating composition air-cleaning function with embodiment 1.It is antibiotic and the decomposing formaldehyde effect is as shown in table 1.
Embodiment 4:
Proportioning raw materials following (each component is by weight):
Fe
3+, V
5+7 parts of doping four acicular type zinc oxide crystal whiskers
3 parts in molecular sieve
3 parts of activated carbon
45 parts of acrylic ester emulsions
15 parts of titanium dioxide
20 parts of filler talcum powder
3.5 parts of two sodium-metaphosphates
3.5 parts of wilkinites
Wherein, Fe
3+, V
5+The preparation of doping four acicular type zinc oxide crystal whisker is, with the FeCl of 10% (weight)
3, VCl
5Be sprayed at the four acicular type zinc oxide crystal whisker surface after the aqueous solution, use level percentage ratio meter by weight is Fe
3+, V
5+Content be respectively 1%, 1% of four acicular type zinc oxide crystal whisker, through 100 ℃ of air stream dryings, constant temperature calcining 40 minutes in 700 ℃ chamber type electric resistance furnace then, Fe
3+, V
5+The doping four acicular type zinc oxide crystal whisker.Operation later on must have antibiotic and coating composition air-cleaning function with embodiment 1.It is antibiotic and the decomposing formaldehyde effect is as shown in table 1.
Embodiment 5:
Proportioning raw materials following (each component is by weight):
Ag
+10 parts of doping four acicular type zinc oxide crystal whiskers
3 parts of activated carbon
2 parts of porous water glass
50 parts of acrylic ester emulsions
10 parts of titanium dioxide
15 parts of filler talcum powder
3 parts of two sodium-metaphosphates
7 parts of wilkinites
Wherein, Ag
1The preparation of doping four acicular type zinc oxide crystal whisker is, with the AgNO of 10% (weight)
3Be sprayed at the four acicular type zinc oxide crystal whisker surface after the aqueous solution, use level percentage ratio meter by weight is Ag
+Content be respectively 3% of four acicular type zinc oxide crystal whisker, through 120 ℃ of air stream dryings, constant temperature calcining 30 minutes in 600 ℃ chamber type electric resistance furnace then, Ag
1The doping four acicular type zinc oxide crystal whisker.Operation later on must have antibiotic and coating composition air-cleaning function with embodiment 1.It is antibiotic and the decomposing formaldehyde effect is as shown in table 1.
All in the scope of above-mentioned selection, its diameter is 0.3～10 μ m to mesoporous filler grain size, the mesoporous 0.5～500nm that is of a size of among the above embodiment 1～5.
Table 1: the antibiotic and decomposing formaldehyde effect of coating composition of the present invention
| 12 hours | 50.4 | 51.4 | 52.1 | 58.4 | 49.3 | 24.3 | 13.2 |
| 24 hours | 69.9 | 70.3 | 71.6 | 80.1 | 62.3 | 27.4 | 15.3 |
| 48 hours | 79.2 | 83.1 | 82.3 | 83.2 | 79.2 | 27.9 | 16.0 |
| 72 hours | 85.6 | 87.2 | 89.2 | 88.1 | 86.4 | 30.3 | 15.8 |
Annotate *: comparative example 1 is that China makes the full flavor lacquer only of imitating of giraffe board that lacquer is produced.Comparative example 2 is the super oil despot of the S-4500 chrysanthemum lacquer that China's system lacquer is produced.
Claims (4)
1. one kind has antibiotic and coating composition air-cleaning function, it is characterized in that component by weight, comprise 1～10 part of doping four acicular type zinc oxide crystal whisker, 1～10 part of mesoporous filler, 40～55 parts of acrylic ester emulsions, 10～30 parts of titanium dioxide, 10～25 parts of filler talcum powder, 0.5～10 part of auxiliary agent.
2, the coating composition that has antibiotic and air-cleaning function according to claim 1, the four acicular type zinc oxide crystal whisker that it is characterized in that mixing are that four acicular type zinc oxide crystal whisker is through Fe
3+, Cu
2+, Ag
+Or V
5+In the doping vario-property thing of one or more metal ions under 500～800 ℃ of high temperature, wherein, four acicular type zinc oxide crystal whisker is that length is the single crystal of 0.5～20 μ m, and has nano level cutting-edge structure.
3. have antibiotic and coating composition air-cleaning function according to claim 1, it is characterized in that mesoporous filler is at least a in molecular sieve, gac or the porous water glass, particle dia is 0.3～10 μ m, the mesoporous 0.5～500nm that is of a size of.
4. have antibiotic according to claim 1 and coating composition air-cleaning function, it is characterized in that auxiliary agent is dispersion agent two sodium-metaphosphates and anti-settling agent wilkinite.
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|---|---|---|---|
| CNB2008100450510A CN100467554C (en) | 2008-03-25 | 2008-03-25 | Coating composition with antimicrobial and air purification function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100450510A CN100467554C (en) | 2008-03-25 | 2008-03-25 | Coating composition with antimicrobial and air purification function |
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| Publication Number | Publication Date |
|---|---|
| CN101245211A true CN101245211A (en) | 2008-08-20 |
| CN100467554C CN100467554C (en) | 2009-03-11 |
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|---|---|---|---|
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| CN102030947A (en) * | 2010-12-23 | 2011-04-27 | 美的集团有限公司 | Composite material for manufacturing antibacterial polypropylene absorbent paper |
| CN102145276A (en) * | 2011-03-14 | 2011-08-10 | 西南交通大学 | Air-purifying particle composition and preparation method of air-purifying particle composition |
| CN102493173A (en) * | 2011-12-15 | 2012-06-13 | 成都富路其鞋业有限公司 | Leather antibacterial treatment agent and antibacterial treatment process for leather |
| AT511057A4 (en) * | 2011-04-07 | 2012-09-15 | Baumit Beteiligungen Gmbh | USEFUL INDOOR COATING COMPOSITION |
| CN102795814A (en) * | 2012-08-23 | 2012-11-28 | 侯建春 | Nano-whisker-reinforced multifunctional diatom ooze coating |
| CN102964932A (en) * | 2012-10-26 | 2013-03-13 | 合众（佛山）化工有限公司 | Preparation method of multifunctional humidifying interior wall paint |
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| CN104830162A (en) * | 2015-05-21 | 2015-08-12 | 郭小曼 | Full-effect interior wall coating with formaldehyde removing, antibacterial and air purifying functions |
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| CN1209971C (en) * | 2003-03-21 | 2005-07-13 | 西南交通大学 | Zinc oxide whisker compound germicide composition |
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2008
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| CN102030947A (en) * | 2010-12-23 | 2011-04-27 | 美的集团有限公司 | Composite material for manufacturing antibacterial polypropylene absorbent paper |
| CN102145276A (en) * | 2011-03-14 | 2011-08-10 | 西南交通大学 | Air-purifying particle composition and preparation method of air-purifying particle composition |
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| CN102795814B (en) * | 2012-08-23 | 2014-02-19 | 侯建春 | Nano-whisker-reinforced multifunctional diatom ooze coating |
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| CN104031495A (en) * | 2014-05-26 | 2014-09-10 | 谷屿 | Pollution-free environment-friendly paint |
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| CN108864857A (en) * | 2018-08-06 | 2018-11-23 | 德威特涂料有限公司 | A kind of preparation method of modified coral powder acrylic emulsion humidity regulation coating |
| CN114829516A (en) * | 2019-11-13 | 2022-07-29 | 科思创知识产权两合公司 | Composition and preparation method and application thereof |
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