CN105176156B - Nanometer anti-fog coating composition and preparation method thereof - Google Patents
Nanometer anti-fog coating composition and preparation method thereof Download PDFInfo
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- CN105176156B CN105176156B CN201510594556.2A CN201510594556A CN105176156B CN 105176156 B CN105176156 B CN 105176156B CN 201510594556 A CN201510594556 A CN 201510594556A CN 105176156 B CN105176156 B CN 105176156B
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Abstract
The invention provides a kind of nanometer anti-fog coating composition, the coating composition includes the following component matched by constant weight percentage：Nano silicon dioxide sol, nano titanic oxide sol or doped nano titanium dioxide colloidal sol, polysiloxane, hydramine, acrylamide, film forming agent.The preparation of the nanometer anti-fog coating composition comprises the following steps：After the nano silicon dioxide sol and the nano titanic oxide sol are mixed, added at 60~90 DEG C after polysiloxane, hydramine, acrylamide and film forming agent, hybrid reaction, that is, obtain the nanometer anti-fog coating.Compared with prior art, the present invention has following beneficial effect：It is easy to use, with being soaked with behind the soft cloth cleaning glass window surface of coating of the present invention, the nano-hydrophilic coating of layer of transparent is formed, good anti-fog effect is played；After once wiping effective time up to 12 hours, crossed after antifog effective time can coated with nano anti-fog coating again, antifog effect can also be recovered.
Description
Technical field
The present invention relates to a kind of nanometer anti-fog coating composition and preparation method thereof, belong to functional paint technical field.
Background technology
The glasswares such as glasses, swimming glasses, automotive window, bath mirror are commonly used in daily life, in use environment temperature
Degree difference is big or in the case of high humility, it can be made to thicken, sight is influenceed in glass surface formation fog, hinder one's work and
Study.
The research of super hydrophilic antifog technology starts from 70~eighties of eighties of last century, mainly around TiO2Photocatalysis technology exhibition
Open.TiO2Photocatalyst film has photocatalysis Decomposition performance under sunlight irradiation, has glass coating surface super hydrophilic antifog
Performance.Introducing inorganic nano material in glass surface by methods such as sol-gel, electrochemistry, redox, template preparations can
Anti- fog effect is improved, but these methods mostly need to use the instrument and equipment of costliness or the technological process of complexity.
The content of the invention
For defect of the prior art, the present invention provides a kind of nanometer anti-fog Coating material composition with preferable anti-fog function
Thing and preparation method thereof.
The present invention is achieved by the following technical solutions：
In a first aspect, the invention provides a kind of nanometer anti-fog coating composition, it include percentage as
Lower component：
The component of the nanometer anti-fog coating composition can provide the surface in glass and form a kind of transparent, relatively persistently (long
Up to 12 hours) antifogging coating.
Preferably, the preparation method of the nano silicon dioxide sol comprises the following steps：
Anionic surfactant, tetraethyl orthosilicate, deionized water, adhesive, inorganic acid and absolute ethyl alcohol are mixed,
Reacted at 60~90 DEG C, obtain the nano silicon dioxide sol.
The preferred hydrochloric acid of inorganic acid or nitric acid.
Preferably, the anionic surfactant, tetraethyl orthosilicate, deionized water, adhesive, inorganic acid
Percetage by weight with absolute ethyl alcohol is respectively：1%~5%, 1%~10%, 0.1%~5%, 0.1%~5%, 0.01%
~1%, 74%~97.79%.
Preferably, the preparation method of the nano titanic oxide sol comprises the following steps：
Anionic surfactant, butyl titanate, deionized water, adhesive, inorganic acid and absolute ethyl alcohol are mixed,
Reacted at 60~90 DEG C, obtain the nano titanic oxide sol.
The preferred hydrochloric acid of inorganic acid or nitric acid.
Preferably, the anionic surfactant, butyl titanate, deionized water, adhesive, inorganic acid and
The percetage by weight of absolute ethyl alcohol is respectively：1%~5%, 1%~10%, 0.1%~5%, 0.1%~5%, 0.01%~
1%th, 74%~97.79%.
Preferably, the preparation method of the doped nano titanium dioxide colloidal sol comprises the following steps：
Butyl titanate is mixed with anionic surfactant, deionized water, adhesive, inorganic acid and absolute ethyl alcohol,
Reacted at 60~90 DEG C, obtain nano titanic oxide sol.
After described nano titanic oxide sol is mixed with doped source, reacted at 140~180 DEG C, obtain institute
State the nano titanic oxide sol of doping.
Preferably, the doped source is nitrogen source or sulphur source, it is preferable that the doping of the nitrogen source is according to nitrogen-atoms
Content is 0.1~3% metering of nano titanium oxide quality, and the doping of the sulphur source is nanometer two according to the content of sulphur atom
0.1~3% metering of titanium oxide quality.
The nitrogen source is selected from one or both of ammoniacal liquor, urea；The one kind of the sulphur source in thiocarbamide, vulcanized sodium
Or two kinds.
Preferably, the film forming agent be ethylene glycol monomethyl ether, ethylene glycol ethyl ether, butyl glycol ether, propylene glycol monomethyl ether,
One or both of propylene-glycol ethyl ether；The hydramine is one in monoethanolamine, diethanol amine, normal propyl alcohol amine, isopropanolamine
Plant or a variety of；The acrylamide comes from N- dimethylaminoethylacrylamides, N- dimethylamino propyl acrylamides, N, N- bis-
One or more in Methacrylamide, N, N- acrylamide.
Second aspect, present invention also offers a kind of preparation method of nanometer anti-fog coating composition as the aforementioned, it is wrapped
Include following steps：
By the nano silicon dioxide sol and the nano titanic oxide sol or the nano titanic oxide sol of doping
After mixing, added at 60~90 DEG C after polysiloxane, hydramine, acrylamide and film forming agent, hybrid reaction, that is, obtain institute
State nanometer anti-fog coating.
Compared with prior art, the present invention has following beneficial effect：
1st, it is easy to use, with being soaked with behind the soft cloth cleaning glass window surface of coating of the present invention, form the nanometer parent of layer of transparent
Aqueous coating, plays good anti-fog effect；
2nd, having crossed after antifog effective time can coated with nano be antifog again applies up to 12 hours effective time after once wiping
Material, can also recover antifog effect.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
The preparation method of the nanometer anti-fog coating of the present embodiment comprises the following steps：
First, nano silicon dioxide sol and nano titanic oxide sol are prepared respectively, wherein, nano silicon dioxide sol
Preparation method is：Match following raw material according to percentage by weight, neopelex 1%, tetraethyl orthosilicate 1%, go from
Sub- water 0.1%, polyvinylpyrrolidone 0.1%, hydrochloric acid 0.01% and absolute ethyl alcohol 97.79% are small in mixing 2 at 80 DEG C
When；Wherein, the preparation method of nano silicon dioxide sol is：Following raw material, detergent alkylate sulphur are matched according to percentage by weight
Sour sodium 1%, butyl titanate 1%, deionized water 0.1%, polyvinylpyrrolidone 0.1%, hydrochloric acid 0.01% and absolute ethyl alcohol
97.79%, mixed 2 hours at 80 DEG C.
2nd, 50wt% nano silicon dioxide sols and 43wt% nano titanic oxide sols are blended at 80 DEG C and added
2wt% polysiloxane, 2wt% normal propyl alcohols amine, 2wt% N- dimethylamino propyl acrylamides, 1wt% ethylene glycol
Butyl ether is mixed 4 hours, that is, obtains nanometer anti-fog coating.
Embodiment 2
The preparation method of the nanometer anti-fog coating of the present embodiment comprises the following steps：
First, nano silicon dioxide sol and nano titanic oxide sol are prepared respectively, wherein, nano silicon dioxide sol
Preparation method is：Match following raw material according to percentage by weight, neopelex 5%, tetraethyl orthosilicate 10%, go from
Sub- water 5%, polyvinylpyrrolidone 5%, hydrochloric acid 1% and absolute ethyl alcohol 74%, are being mixed 4 hours at 80 DEG C；Wherein, receive
Rice silicon dioxide gel preparation method be：Following raw material, neopelex 5%, titanium are matched according to percentage by weight
Acid butyl ester 10%, deionized water 5%, polyvinylpyrrolidone 5%, hydrochloric acid 1% and absolute ethyl alcohol 74%, are stirred at 80 DEG C in mixing
Mix 4 hours.
2nd, 50wt% nano silicon dioxide sols and 10wt% nano titanic oxide sols are blended at 80 DEG C and added
10wt% polysiloxane, 10wt% diethanol amine, 10wt% N- dimethylaminoethylacrylamides, 10wt%
Ethylene glycol ethyl ether is mixed 7 hours, that is, obtains nanometer anti-fog coating.
Embodiment 3
The preparation method of the nanometer anti-fog coating of the present embodiment comprises the following steps：
First, nano silicon dioxide sol and nano titanic oxide sol are prepared respectively, wherein, nano silicon dioxide sol
Preparation method is：Match following raw material according to percentage by weight, neopelex 3%, tetraethyl orthosilicate 6%, go from
Sub- water 3%, polyvinylpyrrolidone 3%, hydrochloric acid 0.4% and absolute ethyl alcohol 84.6%, are being mixed 6 hours at 80 DEG C；Its
In, the preparation method of nano titanic oxide sol is：Following raw material, neopelex are matched according to percentage by weight
3%th, butyl titanate 6%, deionized water 3%, polyvinylpyrrolidone 3%, hydrochloric acid 0.4% and absolute ethyl alcohol 84.6%, 80
DEG C mix 6 hours.
2nd, 50wt% nano silicon dioxide sols and 22wt% nano titanic oxide sols are blended at 80 DEG C and added
7wt% polysiloxane, 7wt% isopropanolamine, 7wt% N, N- acrylamide, 7wt% propane diols second
Ether is mixed 6 hours, that is, obtains nanometer anti-fog coating.
Embodiment 4
The preparation method of the nanometer anti-fog coating of the present embodiment comprises the following steps：
First, the nano titanic oxide sol of nano silicon dioxide sol and N doping is prepared respectively, wherein, nanometer titanium dioxide
The preparation method of Ludox is：Following raw material, neopelex 3%, tetraethyl orthosilicate are matched according to percentage by weight
6%th, deionized water 3%, polyvinylpyrrolidone 3%, hydrochloric acid 0.4% and absolute ethyl alcohol 84.6%, mix 6 small at 80 DEG C
When；Wherein, the preparation method of the nano titanic oxide sol of doping is：Following raw material, dodecane are matched according to percentage by weight
Base benzene sulfonic acid sodium salt 3%, butyl titanate 6%, deionized water 3%, polyvinylpyrrolidone 3%, hydrochloric acid 0.4% and absolute ethyl alcohol
84.6%, mixed 6 hours at 80 DEG C, obtain nano titanic oxide sol, after the colloidal sol is mixed with urea, 140~
Reacted at 180 DEG C, the doping of the nano titanic oxide sol adulterated, wherein urea is according to the content of nitrogen-atoms
2% metering of nano titanium oxide quality.
2nd, the nano titanic oxide sol of 50wt% nano silicon dioxide sols and 22wt% N dopings is blended in 80 DEG C
Lower addition 7wt% polysiloxane, 7wt% monoethanolamine, 7wt% N, N- DMAA, 7wt% second
Glycol methyl ether is mixed 6 hours, that is, obtains nanometer anti-fog coating.
Embodiment 5
The preparation method of the nanometer anti-fog coating of the present embodiment comprises the following steps：
First, the nano titanic oxide sol of nano silicon dioxide sol and sulfur doping is prepared respectively, wherein, nanometer titanium dioxide
The preparation method of Ludox is：Following raw material, neopelex 3%, tetraethyl orthosilicate are matched according to percentage by weight
6%th, deionized water 3%, polyvinylpyrrolidone 3%, hydrochloric acid 0.4% and absolute ethyl alcohol 84.6%, mix 6 small at 80 DEG C
When；Wherein, the preparation method of the nano titanic oxide sol of doping is：Following raw material, dodecane are matched according to percentage by weight
Base benzene sulfonic acid sodium salt 3%, butyl titanate 6%, deionized water 3%, polyvinylpyrrolidone 3%, hydrochloric acid 0.4% and absolute ethyl alcohol
84.6%, mixed 6 hours at 80 DEG C, nano titanic oxide sol is obtained, after the colloidal sol is mixed with vulcanized sodium, 140
Reacted at~180 DEG C, the nano titanic oxide sol adulterated, wherein the doping of vulcanized sodium is according to sulphur atom
Content is measured for the 2% of nano titanium oxide quality.
2nd, the nano titanic oxide sol of 50wt% nano silicon dioxide sols and 22wt% sulfur dopings is blended in 80 DEG C
Lower addition 7wt% polysiloxane, 7wt% monoethanolamine, 7wt% N, N- DMAA, 7wt% second
Glycol methyl ether is mixed 6 hours, that is, obtains nanometer anti-fog coating.
Nanometer anti-fog coating of the invention made from the above method is coated respectively in glass surface, air drying,
Super hydrophilic nano coating is obtained, and performance guarantee has been carried out to it, its particular result is as shown in the table：
As can be seen from the table, the characteristics of nanometer anti-fog coating of the invention has super hydrophilic antifog.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (6)
1. a kind of nanometer anti-fog coating composition, it is characterised in that the following component including percentage：
Wherein, the preparation method of the nano titanic oxide sol comprises the following steps：
Anionic surfactant, butyl titanate, deionized water, adhesive, inorganic acid and absolute ethyl alcohol are mixed, 60~
Reacted at 90 DEG C, obtain the nano titanic oxide sol；
The anionic surfactant, butyl titanate, deionized water, adhesive, the weight hundred of inorganic acid and absolute ethyl alcohol
Fraction is respectively：1%~5%, 1%~10%, 0.1%~5%, 0.1%~5%, 0.01%~1%, 74%~
97.79%；
The preparation method of the doped nano titanium dioxide colloidal sol comprises the following steps：
Butyl titanate is mixed with anionic surfactant, deionized water, adhesive, inorganic acid and absolute ethyl alcohol, 60
Reacted at~90 DEG C, obtain nano titanic oxide sol；
After described nano titanic oxide sol is mixed with doped source, reacted at 140~180 DEG C, obtain described mix
Miscellaneous nano titanic oxide sol.
2. nanometer anti-fog coating composition as claimed in claim 1, it is characterised in that the system of the nano silicon dioxide sol
Preparation Method comprises the following steps：
Anionic surfactant, tetraethyl orthosilicate, deionized water, adhesive, inorganic acid and absolute ethyl alcohol are mixed, 60
Reacted at~90 DEG C, obtain the nano silicon dioxide sol.
3. nanometer anti-fog coating composition as claimed in claim 2, it is characterised in that the anionic surfactant,
Tetraethyl orthosilicate, deionized water, adhesive, the percetage by weight of inorganic acid and absolute ethyl alcohol are respectively：1%~5%, 1%~
10%th, 0.1%~5%, 0.1%~5%, 0.01%~1%, 74%~97.79%.
4. nanometer anti-fog coating composition as claimed in claim 1, it is characterised in that the doped source is nitrogen source or sulphur source.
5. nanometer anti-fog coating composition as claimed in claim 1, it is characterised in that the film forming agent be ethylene glycol monomethyl ether,
One or both of ethylene glycol ethyl ether, butyl glycol ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether；The hydramine be monoethanolamine,
One or more in diethanol amine, normal propyl alcohol amine, isopropanolamine；The acrylamide comes from N- dimethylaminoethyl acryloyls
Amine, N- dimethylamino propyl acrylamides, N, N- DMAA, one kind in N, N- acrylamide or many
Kind.
6. a kind of preparation method of nanometer anti-fog coating composition as claimed in claim 1, it is characterised in that including following step
Suddenly：
The nano silicon dioxide sol and the nano titanic oxide sol or the nano titanic oxide sol of doping are mixed
Afterwards, added at 60~90 DEG C after polysiloxane, hydramine, acrylamide and film forming agent, hybrid reaction, that is, obtain described receive
Rice anti-fog coating.
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| CN106800855B (en) * | 2016-12-05 | 2020-04-21 | 敬旦材料科技（上海）有限公司 | Antifogging coating composition and preparation method and application method thereof |
| CN108261086A (en) * | 2017-01-03 | 2018-07-10 | 佛山市顺德区美的电热电器制造有限公司 | The preparation method of Anti-fog mirror, cooking apparatus and Anti-fog mirror |
| CN106883665B (en) * | 2017-03-10 | 2020-08-04 | 青岛海尔空调器有限总公司 | Photocatalyst additive and application method of hydrophilic coating containing same |
| CN106916481B (en) * | 2017-03-10 | 2020-08-04 | 青岛海尔空调器有限总公司 | Photocatalyst additive and application method of hydrophilic coating containing same |
| CN107057447B (en) * | 2017-03-10 | 2020-08-04 | 青岛海尔空调器有限总公司 | Photocatalyst additive and application method of hydrophilic coating containing same |
| CN107057446B (en) * | 2017-03-10 | 2020-08-04 | 青岛海尔空调器有限总公司 | Photocatalyst additive and application method of hydrophilic coating containing same |
| CN107815295A (en) * | 2017-10-12 | 2018-03-20 | 四川中科领超科技有限公司 | A kind of silica nanometer negative oxygen ion purification cream and its preparation technology |
| CN108395741B (en) * | 2018-04-04 | 2020-06-19 | 宁波富纳新材料科技有限公司 | Quaternary composite super-hydrophilic coating and preparation method thereof |
| CN111499216B (en) * | 2020-04-23 | 2022-06-24 | 中国科学院宁波材料技术与工程研究所 | Titanium dioxide doping-based super-hydrophilic antifogging coating and preparation method and application thereof |
| CN112391112A (en) * | 2020-11-03 | 2021-02-23 | 江苏皇冠新材料科技有限公司 | Antifogging coating, antifogging film and preparation method thereof |
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| CN102702806A (en) * | 2012-06-05 | 2012-10-03 | 西北永新集团有限公司 | Preparation and application of self-cleaning synergistic solar paint |
| EP2682419A1 (en) * | 2012-07-06 | 2014-01-08 | Cryovac, Inc. | Antifog coating composition and its coated polyester film |
| CN102816268B (en) * | 2012-07-24 | 2014-09-17 | 北京理工大学 | Preparation method for nanometer composite anti-fogging film |
| CN103709927B (en) * | 2013-12-04 | 2016-05-25 | 江南大学 | A kind of preparation method of high printing opacity anti-fog thin film coating |
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