CN107354434A - A kind of preparation method of super-amphiphobic coating - Google Patents
A kind of preparation method of super-amphiphobic coating Download PDFInfo
- Publication number
- CN107354434A CN107354434A CN201710545617.5A CN201710545617A CN107354434A CN 107354434 A CN107354434 A CN 107354434A CN 201710545617 A CN201710545617 A CN 201710545617A CN 107354434 A CN107354434 A CN 107354434A
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- Prior art keywords
- super
- preparation
- amphiphobic coating
- coating
- base material
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/12—Organic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
Abstract
The invention belongs to super hydrophobic material field, and in particular to a kind of preparation method of super-amphiphobic coating.The preparation method comprises the following steps：1）By base material cleaning and drying；2）Control flame combustion and deposit silica aerogel layer in substrate surface；3）The base material radio-frequency sputtering fluorocarbon polymer coating of carbon black coating will be deposited, you can form super-amphiphobic coating.Technical scheme provided by the invention with processing procedure is simple, preparation process take it is short, do not produce toxic pollutant, with good practicality, it is not necessary to special equipment and special treatment conditions.Handled using simple surface combustion, and can be achieved to its substrate surface radio-frequency sputtering fluorocarbon polymer coating, repeatability is strong.Compared with prior art, the present invention provides a kind of method for simply, efficiently preparing super-amphiphobic coating.
Description
Technical field
The present invention relates to super hydrophobic material field, and in particular to a kind of preparation method of super-amphiphobic coating.
Background technology
At present, super-hydrophobic/superoleophobic performance that super-amphiphobic coating has uniqueness due to it, can be applied to many aspects.It is super
Double-hydrophobic surface has anti-freeze, antifrost, antifogging function under water environment.In addition, even if super-double-hydrophobic surface touches
The relatively small liquid of other surfaces tension force, such as soybean oil, diiodomethane, which still have, possesses self-cleaning function, can use extensively
In industries such as electric power energy, heat supply, air conditioner, oil.For example super-double-hydrophobic surface is constructed on electric wire or high-voltage fence, can
Electric wire is avoided to form frost zone in hail or sleety weather surface, so as to cause short circuit to cause to power off plant downtime on a large scale,
Even result in the interruption of the communications and transportation circuit such as railway.
The preparation of existing super-amphiphobic coating fails to obtain due to the problems such as expensive raw material price, technology complexity be present
Universal application.Therefore, preparing low-cost long-life super-amphiphobic coating using simple technique and seem is highly desirable.
The content of the invention
In view of this, it is an object of the invention to provide it is a kind of simple, quick, do not produce toxic pollutant and with good
The method that practicality prepares super-amphiphobic coating.
For achieving the above object, the present invention is achieved through the following technical solutions：A kind of super-amphiphobic coating
Preparation method, comprise the following steps：
1）By base material cleaning and drying；
2）Control flame combustion and deposit silica aerogel layer in substrate surface；
3）Fluorocarbon polymer coating is prepared in the deposited on substrates containing silica aerogel layer using radio-frequency sputtering fluorocarbon polymer target,
Produce described super-amphiphobic coating.
Further, step 1）Described in cleaning and dry comprise the following steps that：First by base material deionized water
Alternately cleaning is carried out with normal propyl alcohol, is then cleaned using ultrasonic cleaning machine, then is rinsed with deionized water, is placed in true
It is dried in empty drying box.
Further, step 1）Described in base material be glass, ceramics, non-woven fabrics, chemical fiber cloth, stone material and plastic plate
In one kind.
Further, step 2）Described in flame combustion be candle, kerosene lamp, alcolhol burner and charcoal in one kind.
Further, step 2）Flame flame core is 1~50 mm with base material distance.
Further, step 2）The time on Flame deposited base material surface is 30~300 s.
Further, step 3）The base vacuum of middle radio-frequency sputtering is 10-4 ~10-2 The distance of Pa, target and substrate is 100
~300 mm.
Further, step 3）Middle radio-frequency sputtering power is 80~150 W, and air pressure is 0.5~2 Pa, and the time is 15~120
min。
Further, described fluorocarbon polymer target is one kind in PTFE, PVDF and PFA.
The beneficial effects of the present invention are：Technical scheme provided by the invention has that processing procedure is simple, preparation process consumption
When it is short, do not produce toxic pollutant, there is good practicality, it is not necessary to special equipment and special treatment conditions.Using
Simple surface combustion processing, and can be achieved to its matrix radio-frequency sputtering fluorocarbon polymer layer, repeatability is strong.With it is existing
Technology is compared, and the present invention provides a kind of method for simply, efficiently preparing super-double-hydrophobic surface.
Brief description of the drawings
Fig. 1 is the super-double-hydrophobic surface pattern that the field emission scanning electron microscope of inventive embodiments 1 is observed.
Fig. 2 is the super-double-hydrophobic surface water droplet of inventive embodiments 1（Pure water）With oil droplet（Peanut oil）Figure.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As illustrated, the JEOL in Fig. 1 represents to use the model of equipment；2.00 kV represent the voltage that equipment adds；2.6
Mm represents probe to the vertical range of sample surfaces；X 100.000 represents multiplication factor；UED（GB）Scanned using Flied emission
Electron-microscope scanning pattern；1 um scales.
Embodiment 1
A kind of preparation method of super-amphiphobic coating, comprises the following steps：
1）Rectangle glass piece 26*76*1 mm are taken to carry out alternately cleaning as base material with deionized water and normal propyl alcohol, then make
Cleaned with ultrasonic cleaning machine, then be rinsed with deionized water, be placed in being dried in vacuum drying chamber, be dried in vacuo
Box temperature degree is to be dried 4 hours at 80 DEG C；
2）By candle flame burnt deposit carbon black in glass surface, the thickness about 1mm of the silica aerogel layer.Wherein candle flame
Flame core is 10 mm, the s of carbon black sedimentation time 120 with glass substrate surface distance；
3）PTFE coating is prepared in the deposited on substrates containing silica aerogel layer using radio-frequency sputtering PTFE targets, produced described super double
Open coat.Wherein the base vacuum of radio-frequency sputtering is 10-2 The distance of Pa, target and substrate is 100mm.Sputtering power is 80 W,
Air pressure be 0.5 Pa times be 60 min.
Performance test：With 2 ul water droplets on diverse location at the sample surfaces 10 of OCA20 contact angle testers testing example 1
（Pure water）, 2 ul oil droplets（Peanut oil）With the contact angle of 2 ul diiodomethanes.The data measured are as shown in table 1.
Sample surfaces water droplet, the contact angle of oil droplet measured by the present invention of table 1
From table 1 it follows that to water droplet（Pure water）And oil droplet（Peanut oil）Contact angle be all higher than 150 °, illustrate embodiment 1
The super-amphiphobic coating of preparation is more single, therefore the coating can be realized super-hydrophobic, superoleophobic, have good hydrophobic performance.
Embodiment 2
A kind of preparation method of super-amphiphobic coating, comprises the following steps：
1）Rectangle potsherd 26*76*1 mm are taken to carry out alternately cleaning as base material with deionized water and normal propyl alcohol, then make
Cleaned with ultrasonic cleaning machine, then be rinsed with deionized water, be placed in being dried in vacuum drying chamber, be dried in vacuo
Box temperature degree is to be dried 5 hours at 75 DEG C；
2）Carbon black is deposited in glass surface, the thickness about 5mm of the silica aerogel layer by kerosene lamp flame combustion.Wherein kerosene lamp
Flame flame core is 1mm, the s of carbon black sedimentation time 30 with ceramic substrate surface distance；
3）PVDF coating is prepared in the deposited on substrates containing silica aerogel layer using radio-frequency sputtering PVDF targets, produced described super double
Open coat.Wherein the base vacuum of radio-frequency sputtering is 10-4The distance of Pa, target and substrate is 300 mm.Sputtering power is 150
W, air pressure be 1 Pa times be 15 min.
Embodiment 3
A kind of preparation method of super-amphiphobic coating, comprises the following steps：
1）Rectangle chemical fiber cloth 26*76*1 mm are taken to carry out alternately cleaning with deionized water and normal propyl alcohol, so as base material
Cleaned using ultrasonic cleaning machine, then be rinsed with deionized water afterwards, be placed in being dried in vacuum drying chamber, vacuum
Drying box temperature is to be dried 4.5 hours at 70 DEG C；
2）Carbon black is deposited in glass surface, about 100 μm of the thickness of the silica aerogel layer by alcolhol burner flame combustion.Wherein alcohol
Lights flame flame core is 10 mm, the s of carbon black sedimentation time 120 with chemical fiber cloth substrate surface distance；
3）PTFE coating is prepared in the deposited on substrates containing silica aerogel layer using radio-frequency sputtering PTFE targets, produced described super double
Open coat.Wherein the base vacuum of radio-frequency sputtering is 10-2 The distance of Pa, target and substrate is 200 mm.Sputtering power is 120
W, air pressure be 2 Pa times be 120 min.
Embodiment 4
A kind of preparation method of super-amphiphobic coating, comprises the following steps：
1）Rectangle plastic plate 26*76*1 mm are taken to carry out alternately cleaning with deionized water and normal propyl alcohol, then as base material
Cleaned using ultrasonic cleaning machine, then be rinsed with deionized water, be placed in being dried in vacuum drying chamber, vacuum is done
Dry box temperature degree is to be dried 4 hours at 80 DEG C；
2）By charcoal flame burnt deposit carbon black in glass surface, charcoal flame flame core and glass substrate surface distance are 10
Mm, the s of carbon black sedimentation time 120；
3）PFA coating is prepared in the deposited on substrates containing silica aerogel layer using radio-frequency sputtering PFA targets, produces described super-amphiphobic
Coating.Wherein the base vacuum of radio-frequency sputtering is 10-3The distance of Pa, target and substrate is 150 mm.Sputtering power is 150 W,
Air pressure be 1.5 Pa times be 100 min.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should cover in the present invention
Protection domain among.Protection scope of the present invention is defined by claims.
Claims (9)
- A kind of 1. preparation method of super-amphiphobic coating, it is characterised in that：Comprise the following steps：1）By base material cleaning and drying；2）Control flame combustion and deposit silica aerogel layer in substrate surface；3）Fluorocarbon polymer coating is prepared in the deposited on substrates containing silica aerogel layer using radio-frequency sputtering fluorocarbon polymer target, i.e., Obtain described super-amphiphobic coating.
- 2. the preparation method of super-amphiphobic coating as claimed in claim 1, it is characterised in that：Step 1）Described in cleaning and Dry comprises the following steps that：Base material is subjected to alternately cleaning with deionized water and normal propyl alcohol first, then using ultrasonic cleaning Device is cleaned, then is rinsed with deionized water, is placed in being dried in vacuum drying chamber.
- 3. the preparation method of super-amphiphobic coating as claimed in claim 1, it is characterised in that：Step 1）Described in base material be glass One kind in glass, ceramics, non-woven fabrics, chemical fiber cloth, stone material and plastic plate.
- 4. the preparation method of super-amphiphobic coating as claimed in claim 1, it is characterised in that：Step 2）Described in flame combustion For one kind in candle, kerosene lamp, alcolhol burner and charcoal.
- 5. the preparation method of super-amphiphobic coating as claimed in claim 1, it is characterised in that：Step 2）Described in flame flame core with Base material distance is for 1~50 mm.
- 6. the preparation method of super-amphiphobic coating as claimed in claim 1, it is characterised in that：Step 2）Flame deposited base material table The time in face is 30~300 s.
- 7. the preparation method of super-amphiphobic coating as claimed in claim 1, it is characterised in that：Step 3）The background of middle radio-frequency sputtering Vacuum is 10-4 ~10-2The distance of Pa, target and substrate is 100~300 mm.
- 8. the preparation method of super-amphiphobic coating as claimed in claim 7, it is characterised in that：Step 3）Described in radio-frequency sputtering work( Rate is 80~150 W, and air pressure is 0.5~2 Pa, and the time is 15~120 min.
- 9. the preparation method of the super-amphiphobic coating as described in any one of claim 1~8, it is characterised in that described fluorine carbon poly Compound target is one kind in PTFE, PVDF and PFA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710545617.5A CN107354434A (en) | 2017-07-06 | 2017-07-06 | A kind of preparation method of super-amphiphobic coating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710545617.5A CN107354434A (en) | 2017-07-06 | 2017-07-06 | A kind of preparation method of super-amphiphobic coating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707871A (en) * | 2018-05-25 | 2018-10-26 | 西安交通大学 | A kind of preparation method of the metal/non-metal laminated film with superhydrophobic characteristic |
| CN108840320A (en) * | 2018-06-29 | 2018-11-20 | 北京石油化工学院 | A method of C film is prepared in the way of water droplet removing |
| CN114737186A (en) * | 2022-05-11 | 2022-07-12 | 新疆大学 | Structural super-hydrophobic coating applied to anti-icing of surface of power equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807205A (en) * | 2012-09-07 | 2012-12-05 | 天津大学 | Self-assembling method for low-fiber carbon nanometer material |
| CN104313576A (en) * | 2014-11-11 | 2015-01-28 | 湖南工业大学 | Novel method for preparing super-hydrophobic surface on iron plate |
| CN104387606A (en) * | 2014-11-11 | 2015-03-04 | 湖南工业大学 | Novel method for preparing super-hydrophobic surface on low-density polyethylene film |
| CN105523722A (en) * | 2016-01-21 | 2016-04-27 | 湖北大学 | Super-hydrophobic coating containing candle soot and preparation method of same |
| CN106676473A (en) * | 2015-11-10 | 2017-05-17 | 中国科学院上海硅酸盐研究所 | Teflon thin film with high light transmitting and dewatering functions and preparation method and application thereof |
-
2017
- 2017-07-06 CN CN201710545617.5A patent/CN107354434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807205A (en) * | 2012-09-07 | 2012-12-05 | 天津大学 | Self-assembling method for low-fiber carbon nanometer material |
| CN104313576A (en) * | 2014-11-11 | 2015-01-28 | 湖南工业大学 | Novel method for preparing super-hydrophobic surface on iron plate |
| CN104387606A (en) * | 2014-11-11 | 2015-03-04 | 湖南工业大学 | Novel method for preparing super-hydrophobic surface on low-density polyethylene film |
| CN106676473A (en) * | 2015-11-10 | 2017-05-17 | 中国科学院上海硅酸盐研究所 | Teflon thin film with high light transmitting and dewatering functions and preparation method and application thereof |
| CN105523722A (en) * | 2016-01-21 | 2016-04-27 | 湖北大学 | Super-hydrophobic coating containing candle soot and preparation method of same |
Non-Patent Citations (1)
| Title |
|---|
| 邵晶晶等: "磁控溅射制备聚四氟乙烯低温超疏水薄膜", 《真空科学与技术学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707871A (en) * | 2018-05-25 | 2018-10-26 | 西安交通大学 | A kind of preparation method of the metal/non-metal laminated film with superhydrophobic characteristic |
| CN108707871B (en) * | 2018-05-25 | 2020-03-17 | 西安交通大学 | Preparation method of metal/nonmetal composite film with super-hydrophobic characteristic |
| CN108840320A (en) * | 2018-06-29 | 2018-11-20 | 北京石油化工学院 | A method of C film is prepared in the way of water droplet removing |
| CN108840320B (en) * | 2018-06-29 | 2020-05-22 | 北京石油化工学院 | Method for preparing carbon film by using water drop stripping mode |
| CN114737186A (en) * | 2022-05-11 | 2022-07-12 | 新疆大学 | Structural super-hydrophobic coating applied to anti-icing of surface of power equipment |
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