CN105273443A - Nanometer self-cleaning, anti-fog and sterilization glass coating and preparation method thereof - Google Patents
Nanometer self-cleaning, anti-fog and sterilization glass coating and preparation method thereof Download PDFInfo
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- CN105273443A CN105273443A CN201410246180.1A CN201410246180A CN105273443A CN 105273443 A CN105273443 A CN 105273443A CN 201410246180 A CN201410246180 A CN 201410246180A CN 105273443 A CN105273443 A CN 105273443A
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Abstract
The invention discloses a nanometer self-cleaning, anti-fog and sterilization glass coating and a preparation method thereof, and relates to a nanometer composite self-cleaning coating. The preparation method comprises the following steps: adding a TiO2 solution to a solvent, fully stirring, adding a nanometer micro-molecular phosphoric acid-titanium dioxide compound and an inorganic silicon solution, continuously stirring, adding a titanate coupling agent, and fully stirring to obtain the nanometer composite self-cleaning coating. A self-cleaning coating layer formed after spraying the surface of glass and other materials with the coating has the advantages of good self-cleaning effect, strong hydrophilicity, sterilization, disinfection, simple construction and low cost. The prepared self-cleaning coating also can realize very good decomposition and sterilization effects in the dark. The coating comprises, by mass, 1-8% of anatase titanium dioxide sol, 2-5% of the nanometer micro-molecular phosphoric acid-titanium dioxide compound, 1-3% of the inorganic silicon solution, 1-2% of the titanate coupling agent and 82-95% of the solvent.
Description
Technical field
The invention belongs to technical field of function materials, particularly nanoscale composite self-cleaning coating and preparation method thereof.
Technical background
At present, the automatically cleaning of nano titanium oxide glass coating, the performance such as antibacterial, antifog are applied in daily life and have been achieved certain achievement, but also there are some insoluble problems, as: 1, manufacture craft difficulty is large, poor stability, easy generation condensation or reunion, the out-of-service time is very fast; 2, just can have microbe killing properties under the condition having light can; Cementability between 3 and glass is poor, easily comes off.This technological invention has following functions and feature: (1) super hydrophile function, apply this function completely uniform for water to sprawl at glass or other building material surfaces to be come, improve wetting property removal of pollutants simultaneously, the pollutent be attached on glass is taken away by the gravity eventually through water, and can play extraordinary antifogging action; (2) photo-catalysis function, by self-cleaning coating for the material of construction such as glass, ceramic tile, can utilize the photocatalysis of the TiO 2 particles self in self-cleaning coating, can decompose the organic pollutant being adsorbed on the surface such as glass, ceramic tile, order surface keeps clean; (3) sterilization eliminates the unusual smell function, due to the good restraining and sterilizing bacteria effect of Nano titanium dioxide, can play the propagation suppressing germ when therefore self-cleaning coating being applied to these base materials surperficial; (4) also can decompose normally and keep high reactivity under no light condition, give play to antibacterial, deodorizing, the effect such as antifouling; (5) normal temperature and pressure is produced, and construction spraying is convenient, safe and convenient.
Summary of the invention
(1) an object of the present invention provides a kind of mode sprayed at normal temperatures and pressures, the simple self-cleaning nona compound coating of technique
(2) object two of the present invention overcome traditional technology under normal temperature condition and glass in conjunction with effectiveness comparison difference, effect weaken very fast.
(3) three of object of the present invention is microcomposites that inorganic silicon and titanium dioxide are formed, this mixture not only maintains photochemical catalysis and the super hydrophilicity of original titanium dioxide, and the cementability that improve between mixture and glass, ensure that stability and the wear resistance of self-cleaning nona coating on glass.
(4) four of object of the present invention be to provide and a kind of also can decompose normally and keep high reactivity under no light condition, the preparation method of the self-cleaning nona compound coating that effect is more lasting.
The present invention takes following technical scheme: nano combined self-cleaning coating, it is characterized in that: described coating is by anatase-type nanometer titanium dioxide solution, inorganic silicon solution, titanate coupling agent and solvent composition, wherein the mass percent of anatase titanium dioxide solution is 1% ~ 8%, nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound 2% ~ 5%, the mass percent of inorganic silicon solution is 1% ~ 3%, the mass percent of titanate coupling agent is 1% ~ 2%, and the mass percent of solvent is 82% ~ 95%.
Described nano combined self-cleaning coating, is characterized in that: described is nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound without photocatalyst.
Described titania solution, is characterized in that: described inorganic titanium compound be metatitanic acid, titanium sulfate, in one or both.
Described titania solution, is characterized in that: described acid solution is the one in sulfuric acid, nitric acid, hydrochloric acid.
Described nano combined self-cleaning coating, it is characterized in that: described anatase-type nanometer titanium dioxide solution inorganic titanium is distributed in the sulfuric acid of 0.1 ~ 2M, nitric acid or hydrochloric acid soln, obtain after dispergation at the temperature of 30 ~ 100 DEG C, the mass percent of the anatase titanium dioxide solution wherein in chalking paint is 1% ~ 8%.
Described nano combined self-cleaning coating, is characterized in that: more than three kinds mixtures in the group that described solvent is selected from deionized water, dehydrated alcohol, 95% ethanol, acetone, propyl carbinol, isopropylcarbinol, ethylene glycol monomethyl ether, ethylene glycol ethyl ether form.
Described nano combined self-cleaning coating, is characterized in that: the coupling agent in described nano combined self-cleaning coating is titanate coupling agent.
Described nano combined self-cleaning coating, is characterized in that: the dispersion agent in described nano combined self-cleaning coating is one or both in ethylene glycol, polyoxyethylene glycol, polyvinylpyrrolidone, polyacrylic acid.
The present invention has the following advantages: wetting ability is strong, and automatically cleaning is effective, and construction is simple, and cost is low.
Embodiment
Embodiment 1:
By titanium sulfate, metatitanic acid blending dispersion in the hydrochloric acid soln of 1M, at the temperature of 50 DEG C, dispergation obtained titania solution after 10 hours; Wherein, the mass percentage content of the anatase-type nanometer titanium dioxide in colloidal sol is 5 ﹪.
Under room temperature, by 1g ethylene glycol, 30g dehydrated alcohol, 2g polyvinyl alcohol, 1g propyl carbinol stirs and obtains mixed solvent, is under agitation joined in above mixed solvent by anatase-type nanometer titanium dioxide solution 1.5g, adds 1.5g nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound, abundant stirring, then add inorganic silicon solution 0.5g, fully stir, then add titanate coupling agent 0.5g, abundant stirring, finally obtains nano self-cleaning paint.
Wherein, in coating, the mass percentage content of titania solution is 4%, the mass percentage content of mixed solvent is 89.5%, the mass percentage content of inorganic silicon is 1.3%, the mass percentage content of titanate coupling agent is 1.3%, and the mass percentage content of nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound is 3.9%.
By still aging for nano self-cleaning paint two days, obtain oyster white nano self-cleaning paint, be coated in glass surface with dip coating, this coating has good wetting ability, and contact angle is 7 °.
Embodiment 2:
Be distributed to by metatitanic acid in the salpeter solution of 1.5M, at the temperature of 90 DEG C, dispergation obtained TiO 2 sol after 3 hours; Wherein, the mass percentage content of the anatase-type nanometer titanium dioxide in colloidal sol is 3 ﹪.
Under room temperature, by 0.5g ethylene glycol, 30g dehydrated alcohol, 8g acetone, 0.5g Virahol stirs and obtains mixed solvent, under agitation anatase-type nanometer titanium dioxide solution 1g is joined in above mixed solvent, then add 2g nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound, fully stir, then inorganic silicon solution 0.5g is added, abundant stirring, then add 0.5g titanium ester coupling agent, fully stir and obtain nano self-cleaning paint.
Wherein, in coating, the mass percentage content of titania solution is 2.3%, the mass percentage content of mixed solvent is 90.6%, the mass percentage content of inorganic silicon solution is 1.2%, the mass percent of titanate coupling agent is 1.2%, and the mass percentage content of nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound is 4.7%.
Still aging 2 days, obtain oyster white nano self-cleaning paint, by above-mentioned self-cleaning coating dip coating film on silicon chip, just can obtain the coating of dense uniform after 24 hours, this coating has good wetting ability.
Claims (8)
1. nano combined self-cleaning coating, it is characterized in that: described coating is made up of anatase-type nanometer titanium dioxide solution, inorganic silicon solution, too acid esters coupling agent, wherein the mass percent of anatase titanium dioxide solution is 1% ~ 8%, nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound 2% ~ 5%, the mass percent of inorganic silicon solution is 1% ~ 3%, the mass percent of titanate coupling agent is 1% ~ 2%, and the mass percent of solvent is 82% ~ 95%.
2. nano combined self-cleaning coating according to claim 1, is characterized in that: in described nano combined self-cleaning coating is nanometer scintilla di(2-ethylhexyl)phosphate titanium oxide compound without photocatalyst.
3. titania solution according to claim 1, is characterized in that: described inorganic titanium compound is one or both in metatitanic acid, titanium sulfate.
4. titania solution according to claim 1, is characterized in that: described acid solution is the one in nitric acid, sulfuric acid or hydrochloric acid.
5. nano combined self-cleaning coating according to claim 1, it is characterized in that: described anatase-type nanometer titanium dioxide solution inorganic titanium is distributed in the sulfuric acid of 0.1 ~ 2M, nitric acid or hydrochloric acid soln, obtain after dispergation at the temperature of 30 ~ 100 DEG C, the mass percent of the anatase titanium dioxide solution wherein in chalking paint is 1% ~ 8%.
6. nano combined self-cleaning coating according to claim 1, is characterized in that: more than three kinds mixtures in the group that described solvent is selected from deionized water, dehydrated alcohol, 95% ethanol, acetone, propyl carbinol, isopropylcarbinol, ethylene glycol monomethyl ether, ethylene glycol ethyl ether form.
7. nano combined self-cleaning coating according to claim 1, is characterized in that: the coupling agent in described nano combined self-cleaning coating is titanate coupling agent.
8. nano combined self-cleaning coating according to claim 1, is characterized in that: the dispersion agent in described nano combined self-cleaning coating is one or both in ethylene glycol, polyoxyethylene glycol, polyvinylpyrrolidone, polyacrylic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410246180.1A CN105273443A (en) | 2014-06-05 | 2014-06-05 | Nanometer self-cleaning, anti-fog and sterilization glass coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410246180.1A CN105273443A (en) | 2014-06-05 | 2014-06-05 | Nanometer self-cleaning, anti-fog and sterilization glass coating and preparation method thereof |
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| CN105273443A true CN105273443A (en) | 2016-01-27 |
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| CN201410246180.1A Pending CN105273443A (en) | 2014-06-05 | 2014-06-05 | Nanometer self-cleaning, anti-fog and sterilization glass coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689006A (en) * | 2016-03-18 | 2016-06-22 | 浙江蓝民环保科技有限公司 | Nano-photocatalyst and preparation method thereof |
| CN107144895A (en) * | 2016-03-01 | 2017-09-08 | 法雷奥照明公司 | Transparent optical element for motor vehicles |
| CN109714968A (en) * | 2016-07-28 | 2019-05-03 | 艾克森实验室有限公司 | Antimicrobial compositions and its application method based on polymer |
| CN111138893A (en) * | 2020-01-19 | 2020-05-12 | 广州市建桥音响配件有限公司 | Self-cleaning horn paint |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384165A (en) * | 2001-04-28 | 2002-12-11 | 中国科学院化学研究所 | Titania nano-paint for forming photocatalytic transparent hydrophilic coating and its prepn |
| CN101928517A (en) * | 2009-06-19 | 2010-12-29 | 北京中科赛纳玻璃技术有限公司 | Nano self-cleaning paint and preparation method thereof |
-
2014
- 2014-06-05 CN CN201410246180.1A patent/CN105273443A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384165A (en) * | 2001-04-28 | 2002-12-11 | 中国科学院化学研究所 | Titania nano-paint for forming photocatalytic transparent hydrophilic coating and its prepn |
| CN101928517A (en) * | 2009-06-19 | 2010-12-29 | 北京中科赛纳玻璃技术有限公司 | Nano self-cleaning paint and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| "《钒钛产品生产工艺与设备》" * |
| 《纳米科技》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144895A (en) * | 2016-03-01 | 2017-09-08 | 法雷奥照明公司 | Transparent optical element for motor vehicles |
| CN105689006A (en) * | 2016-03-18 | 2016-06-22 | 浙江蓝民环保科技有限公司 | Nano-photocatalyst and preparation method thereof |
| CN105689006B (en) * | 2016-03-18 | 2018-08-10 | 浙江蓝民环保科技有限公司 | A kind of nano photo-catalytic and preparation method thereof |
| CN109714968A (en) * | 2016-07-28 | 2019-05-03 | 艾克森实验室有限公司 | Antimicrobial compositions and its application method based on polymer |
| US11357718B2 (en) | 2016-07-28 | 2022-06-14 | eXion labs Inc. | Polymer-based antimicrobial compositions and methods of use thereof |
| US11426343B2 (en) | 2016-07-28 | 2022-08-30 | eXion labs Inc. | Polymer-based antimicrobial compositions and methods of use thereof |
| CN111138893A (en) * | 2020-01-19 | 2020-05-12 | 广州市建桥音响配件有限公司 | Self-cleaning horn paint |
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Application publication date: 20160127 |