CN103923540A - Super-amphiphobic coating - Google Patents
Super-amphiphobic coating Download PDFInfo
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- CN103923540A CN103923540A CN201410162095.7A CN201410162095A CN103923540A CN 103923540 A CN103923540 A CN 103923540A CN 201410162095 A CN201410162095 A CN 201410162095A CN 103923540 A CN103923540 A CN 103923540A
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Abstract
The invention relates to the technical field of coatings and particularly relates to a super-amphiphobic coating. The super-amphiphobic coating comprises a backing material and a topping material, wherein the backing material is prepared from the following components in parts by weight: 0.5-5 parts of polytetrafluoroethylene powder, 3-4 parts of ammonium water, 30-50 parts of ethanol, 3-5 parts of tetraethoxysilane and 0.15-0.25 part of fluorosilane, and the topping material is prepared from the following components in parts by weight: 0.8-1.2 parts of a vinyl fluoride and hexafluoropropylene copolymer, 0.3-0.5 part of fluorosilane and 42-52 parts of dimethylformamide. The super-amphiphobic coating provided by the invention has the characteristics of conventional super-hydrophobic materials such as super-hydrophobic property, pollution prevention, freezing protection, adhesion prevention and damp reduction, and further has excellent performances such as acid and alkali corrosion resistance, friction resistance and long service life.
Description
Technical field
Invention relates to technical field of coatings, especially a kind of super two thin coating.
Background technology
Super two thin material refers to that various water-baseds and oiliness drop are spherical on surface, and contact angle is greater than 150 °.The coating that super two thin material is made, has automatically cleaning, anti-adhesive, protection against corrosion, the excellent properties such as drag reduction.Therefore, super two thin coating can be applicable to skin, vehicle glass, ship and naval vessels surface, satellite antenna, the fields such as electric-device housing.This type of common preparation technology of coating is loaded down with trivial details at present, need on certain material, prepare special structure, and cannot realize the oleophobic property to most oiliness drops; In addition, poor wear resistance and stability have also limited the industrial application of existing super two thin coating.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and a kind of preparation that is easy to is provided, and oleophobic performance is better, and has novel super two thin coating of excellent wear resistance and stability.
The technical scheme that its technical problem of invention solution adopts is: a kind of super two thin coating, comprise bed material and liftout, this bed material is by weight proportion by 0.5-5 part polytetrafluoroethylene powder, 3-4 part ammoniacal liquor, 30-50 part ethanol, 3-5 part tetraethoxy and 0.15-0.25 part silicon fluoride form, and this liftout is by weight proportion by 0.8-1.2 part copolymer from vinylidene fluoride and hexafluoropropylene, and 0.3-0.5 part silicon fluoride and 42-52 part dimethyl formamide form.
Another embodiment according to invention, further comprises, ammoniacal liquor used, and ethanol, tetraethoxy and dimethyl formamide are SILVER REAGENT.
Another embodiment according to invention, further comprises, the mean sizes of this polytetrafluoroethylene powder is 100 nanometers to 10 micron.
The beneficial effect of the invention is, outside the characteristic of traditional super hydrophobic materials such as that this super two thin coating has is super-hydrophobic, antifouling, freeze proof, antiseized, drag reduction, has acid-alkali-corrosive-resisting, friction resistant, the long premium properties that waits of life-span simultaneously.
Embodiment
Use principle of the present invention, a kind of super two thin coating, comprise bed material and liftout, this bed material is by weight proportion by 0.5-5 part polytetrafluoroethylene powder, 3-4 part ammoniacal liquor, 30-50 part ethanol, 3-5 part tetraethoxy and 0.15-0.25 part silicon fluoride form, this liftout is by weight proportion by 0.8-1.2 part copolymer from vinylidene fluoride and hexafluoropropylene, and 0.3-0.5 part silicon fluoride and 42-52 part dimethyl formamide form.
Another embodiment according to invention, further comprises, ammoniacal liquor used, and ethanol, tetraethoxy and dimethyl formamide are SILVER REAGENT.
Another embodiment according to invention, further comprises, the mean sizes of this polytetrafluoroethylene powder is 100 nanometers to 10 micron.
SILVER REAGENT ammoniacal liquor and reagent grade ethanol are mixed, then add SILVER REAGENT tetraethoxy, magnetic agitation, after 2 hours, adds polytetrafluoroethylene powder to stir, and finally adds silicon fluoride to continue to stir and within 1 hour, forms hydrophobic bed material.Copolymer from vinylidene fluoride and hexafluoropropylene and silicon fluoride are dissolved in to SILVER REAGENT dimethyl formamide, form uniform liftout.
Coating is first treated sprayed surface and is carried out clean before implementing.During enforcement, bed material is at the uniform velocity stirred 30 seconds, then, by spraying, spin coating or the mode of immersing cover.After Air drying 10 minutes, directly on bed material, cover liftout, the same bed material of coverage mode.Drying at room temperature above moulding half an hour.
Embodiments of the invention one:
Tetraethoxy: 3 parts
Ammoniacal liquor: 3 parts
Ethanol: 30 parts
Polytetrafluoroethylene powder: 0.5 part
Silicon fluoride (bed material): 0.15 part
Silicon fluoride (liftout): 0.3 part
Copolymer from vinylidene fluoride and hexafluoropropylene: 0.8 part
Dimethyl formamide: 42 parts
In enumerating the ratio of material in formula, by the preparation method for coating acquisition super-double-hydrophobic surface of above introduction.By the deionized water drop of 2 μ L, in super-double-hydrophobic surface, its contact angle is 171 °-173 °, and slide angle is 2 °-3 °.
Embodiments of the invention two:
Tetraethoxy: 3.5 parts
Ammoniacal liquor: 3.5 parts
Ethanol: 35 parts
Polytetrafluoroethylene powder: 4 parts
Silicon fluoride (bed material): 0.2 part
Silicon fluoride (liftout): 0.35 part
Copolymer from vinylidene fluoride and hexafluoropropylene: 0.9 part
Dimethyl formamide: 45 parts
In enumerating the ratio of material in formula, by the preparation method for coating acquisition super-double-hydrophobic surface of above introduction.With the n-Hexadecane of 2 μ L, drip in super-double-hydrophobic surface, its contact angle is 164 °-167 °, and slide angle is 5 °-8 °.
Embodiments of the invention three:
Tetraethoxy: 4 parts
Ammoniacal liquor: 3.5 parts
Ethanol: 40 parts
Polytetrafluoroethylene powder: 5 parts
Silicon fluoride (bed material): 0.2 part
Silicon fluoride (liftout): 0.4 part
Copolymer from vinylidene fluoride and hexafluoropropylene: 1 part
Dimethyl formamide: 47 parts
In enumerating the ratio of material in formula, by the preparation method for coating acquisition super-double-hydrophobic surface of above introduction.The super-double-hydrophobic surface obtaining is immersed to hydrochloric acid 24 hours, and then clear water is cleaned and is dried, and by the deionized water drop of 2 μ L, in super-double-hydrophobic surface, its contact angle is 171 °-173 °, and slide angle is 2 °-3 °.
The embodiment of the present invention four:
Tetraethoxy: 5 parts
Ammoniacal liquor: 4 parts
Ethanol :-50 parts
Polytetrafluoroethylene powder: 5 parts
Silicon fluoride (bed material): 0.25 part
Silicon fluoride (liftout): 0.5 part
Copolymer from vinylidene fluoride and hexafluoropropylene :-1.2 parts
Dimethyl formamide: 52 parts
In enumerating the ratio of material in formula, by the preparation method for coating acquisition super-double-hydrophobic surface of above introduction.The super-double-hydrophobic surface obtaining is immersed to potassium hydroxide solution 24 hours, and then clear water is cleaned and is dried, and by the deionized water drop of 2 μ L, in super-double-hydrophobic surface, its contact angle is 170 °-173 °, and slide angle is 2 °-3 °.
Claims (3)
1. super two thin coating, comprise bed material and liftout, it is characterized in that, this bed material is by weight proportion by 0.5-5 part polytetrafluoroethylene powder, 3-4 part ammoniacal liquor, 30-50 part ethanol, 3-5 part tetraethoxy and 0.15-0.25 part silicon fluoride form, this liftout is by weight proportion by 0.8-1.2 part copolymer from vinylidene fluoride and hexafluoropropylene, and 0.3-0.5 part silicon fluoride and 42-52 part dimethyl formamide form.
2. super two thin coating according to claim 1, is characterized in that, ammoniacal liquor used, and ethanol, tetraethoxy and dimethyl formamide are SILVER REAGENT.
3. super two thin coating according to claim 1, is characterized in that, the mean sizes of this polytetrafluoroethylene powder is 100 nanometers to 10 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162095.7A CN103923540B (en) | 2014-04-22 | 2014-04-22 | Super-amphiphobic coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410162095.7A CN103923540B (en) | 2014-04-22 | 2014-04-22 | Super-amphiphobic coating |
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| CN103923540A true CN103923540A (en) | 2014-07-16 |
| CN103923540B CN103923540B (en) | 2016-09-07 |
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| CN201410162095.7A Active CN103923540B (en) | 2014-04-22 | 2014-04-22 | Super-amphiphobic coating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653743A (en) * | 2016-07-26 | 2018-02-02 | 中国科学院理化技术研究所 | A kind of high adhesion paper substrate is hydrophobic/construction method of oleophobic surface and application |
| CN108296137A (en) * | 2017-08-30 | 2018-07-20 | 北京三聚环保新材料股份有限公司 | A kind of super-amphiphobic coating material and the preparation method and application thereof for catalyst |
| CN109208330A (en) * | 2018-09-21 | 2019-01-15 | 东华大学 | A kind of method for sorting based on fluoropolymer-containing super-amphiphobic kevlar fabric |
| CN110305546A (en) * | 2019-05-28 | 2019-10-08 | 江苏睿中轨道交通装备有限公司 | A kind of pre-buried channel flow acid and alkali-resistance coating and preparation method thereof |
| CN116218297A (en) * | 2022-12-01 | 2023-06-06 | 中国科学院上海微系统与信息技术研究所 | Hydrophobic material for wearable sweat patch, and preparation method and application thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634267A (en) * | 2016-12-22 | 2017-05-10 | 辽宁师范大学 | Super-hydrophobic and anti-icing transparent coating and preparation method thereof |
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| CN103159463A (en) * | 2011-12-12 | 2013-06-19 | 广科工业股份有限公司 | Ceramic coating and protective coating |
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| CN101434802A (en) * | 2008-12-19 | 2009-05-20 | 天津工业大学 | Water system super-hydrophobic surface coating agent and preparation thereof |
| CN103159463A (en) * | 2011-12-12 | 2013-06-19 | 广科工业股份有限公司 | Ceramic coating and protective coating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653743A (en) * | 2016-07-26 | 2018-02-02 | 中国科学院理化技术研究所 | A kind of high adhesion paper substrate is hydrophobic/construction method of oleophobic surface and application |
| CN107653743B (en) * | 2016-07-26 | 2020-10-02 | 中国科学院理化技术研究所 | Construction method and application of high-adhesion paper-based hydrophobic/oleophobic surface |
| CN108296137A (en) * | 2017-08-30 | 2018-07-20 | 北京三聚环保新材料股份有限公司 | A kind of super-amphiphobic coating material and the preparation method and application thereof for catalyst |
| CN108296137B (en) * | 2017-08-30 | 2021-05-04 | 北京三聚环保新材料股份有限公司 | Super-amphiphobic coating material for catalyst and preparation method and application thereof |
| CN109208330A (en) * | 2018-09-21 | 2019-01-15 | 东华大学 | A kind of method for sorting based on fluoropolymer-containing super-amphiphobic kevlar fabric |
| CN110305546A (en) * | 2019-05-28 | 2019-10-08 | 江苏睿中轨道交通装备有限公司 | A kind of pre-buried channel flow acid and alkali-resistance coating and preparation method thereof |
| CN116218297A (en) * | 2022-12-01 | 2023-06-06 | 中国科学院上海微系统与信息技术研究所 | Hydrophobic material for wearable sweat patch, and preparation method and application thereof |
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| Publication number | Publication date |
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| CN103923540B (en) | 2016-09-07 |
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Effective date of registration: 20161201 Address after: 213000 industrial standard workshop B2, Hutang Science & Technology Industrial Park, Hutang Town, Wujin District, Jiangsu, China Patentee after: Changzhou Jie Xin new Mstar Technology Ltd Address before: 211100 Jiangsu, Nanjing, West Buddha Road, Jiangning District, No. 11 Patentee before: Wu Jun |