CN109706454A - A kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified - Google Patents
A kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified Download PDFInfo
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- CN109706454A CN109706454A CN201910003202.4A CN201910003202A CN109706454A CN 109706454 A CN109706454 A CN 109706454A CN 201910003202 A CN201910003202 A CN 201910003202A CN 109706454 A CN109706454 A CN 109706454A
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- aluminum alloy
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- superhydrophobic
- superhydrophobic surface
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 37
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000126 substance Substances 0.000 title claims abstract description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000003486 chemical etching Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 240000006409 Acacia auriculiformis Species 0.000 claims 2
- 238000004506 ultrasonic cleaning Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000007743 anodising Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 description 1
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 235000019743 Choline chloride Nutrition 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229960003178 choline chloride Drugs 0.000 description 1
- SGMZJAMFUVOLNK-UHFFFAOYSA-M choline chloride Chemical compound [Cl-].C[N+](C)(C)CCO SGMZJAMFUVOLNK-UHFFFAOYSA-M 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- ing And Chemical Polishing (AREA)
Abstract
The invention belongs to technical field of metal material surface treatment, provide a kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified.This method will be placed in hydrochloric acid solution by pretreated alloy matrix aluminum, using chemical method for etching, form the coarse structure of micro/nano level in aluminium alloy matrix surface；After cleaning, aluminium alloy is put into high temperature in baking oven immediately and is dried；Then, natural cooling at room temperature, to realize super-hydrophobicization of aluminum alloy surface.There is excellent super-hydrophobicity using aluminum alloy surface prepared by the present invention, the contact angle on surface is up to 164 °, and roll angle is less than 5 °.Superhydrophobic surface of aluminum alloy of the present invention and preparation method thereof is quick without special installation, simple process, preparation, and eliminate traditional low-surface energy substance modifying process, with potential prospects for commercial application, new thinking can also be provided for the preparation of other super hydrophobic surfaces.
Description
Technical field
The invention belongs to technical field of metal material surface treatment, in particular to a kind of aluminium that no low-surface energy substance is modified
Alloy method for preparing super-hydrophobic surface.
Background technique
In nature, many plant and animal surfaces, such as the leaf of plant, the feather of the wing of insect and bird, all table
Super-hydrophobicity is revealed, wherein lotus leaf is most typical representative, and water droplet can freely roll on its surface and while go to decontaminate
Dirt.Due to having many advantages, such as fluid drag-reduction, anti-freeze and antifog, surface corrosion-resistant erosion and self-cleaning, super hydrophobic surface daily life,
The fields such as industrial production, science and techniques of defence and medical research have potential application prospect.Aluminium and its alloy are as most common
Metal material has been widely used for the high-end manufacturing field such as aerospace, national defence, delivery, and preparation has super on its matrix
The surface of hydrophobic function has caused the concern of numerous researchers.
Surpass currently, the methods of chemical etching, thermal spraying, vapor deposition and plating can be used for preparing to have on metallic matrix
The surface of hydrophobic function.A kind of galvanoplastic, which are disclosed, application No. is 201110152051.2 patent prepares super-hydrophobic cobalt coating
Method, electroplate liquid used is using choline chloride ionic liquid as solvent, with NiCl2Or NiCl2·6H2O is solute, certain
At temperature and electroplating voltage, plating is prepared for super-hydrophobic cobalt coating.The patent application publication of Patent No. 200810150857.6
A kind of process with method for preparing ultra-hydrophobic surface by electrochemical passes through two-step pretreatment process, i.e., first electrochemical etching
Micro-nano dual coarse structure is constructed in aluminium and its alloy surface by oxalic acid anodizing again, is then modified by silicon fluoride
To prepare super hydrophobic surface.Document " S.Barthwal, Y.S.Kim, S.-H.Lim.Fabrication of amphiphobic
surface by using titanium anodization for large-area three-dimensional
Substrates.Journal of Colloid And Interface Science, 2013,400:123-129 " use two steps
Anodizing constructs nanotube surface pattern in titanium alloy surface, with the titanium alloy table of silicon fluoride Modified Micron and nanostructure
Face is prepared for super hydrophobic surface.Foregoing invention requires complicated experimental provision and relatively cumbersome processing step, and surface
Modified required silicon fluoride is potentially dangerous to natural environment and human health.In order to overcome these problems, the present invention is provided
It is a kind of not need complicated technology and surface modification treatment just and obtain the preparation method of superhydrophobic surface of aluminum alloy.
Summary of the invention
The purpose of the present invention is to provide aluminium alloys a kind of simple and effective, low in cost and modified without low-surface energy substance
Method for preparing super-hydrophobic surface.
Technical solution of the present invention:
A kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified, steps are as follows:
It will be placed in hydrochloric acid solution by pretreated alloy matrix aluminum, using chemical method for etching, room temperature chemical etching
Time is 9~13min, forms the coarse structure of micro/nano level in aluminium alloy matrix surface；After cleaning, in 80 DEG C of drying temperature~
At least 60min is dried under the conditions of 200 DEG C；Then, natural cooling at room temperature, to realize super-hydrophobicization of aluminum alloy surface.
Aluminium alloy matrix surface 300# sand paper is polished, then successively uses acetone, dehydrated alcohol respectively by the pretreatment
It is cleaned by ultrasonic aluminium alloy matrix surface 5min with deionized water.
The hydrochloric acid solution is the hydrochloric acid solution that mass fraction is 35%.
The time of the chemical etching is 10min, and drying time 60min, drying temperature is 140 DEG C.
Alloy matrix aluminum taking-up after the etching, which is dipped into deionized water, cleans 30s.
Beneficial effects of the present invention:
(1) preparation method of the present invention does not need complicated process equipment, and preparation process is simple, has and applies valence well
Value.
(2) heat treatment method of the present invention is simple, and chemical reagent composition used is simple, low in cost.
(3) present invention is smooth, uniform in the super hydrophobic surface of aluminum alloy surface preparation, has superhydrophobic characteristic, contact angle
In 150~164 ° of ranges, roll angle is less than 5 °.Super hydrophobic surface prepared by the present invention can be applied to a variety of industrial part appearances
Face and metal pipe internal wall etc. need automatically cleaning, corrosion-resistant, freezing and reduce the various occasions such as water resistance.
(4) sample of the method for the invention preparation only needs to heat, and obtains super-hydrophobicity, repairs without low-surface energy substance
Decorations, it is different from conventional super hydrophobic surface technology of preparing, avoid the use of low-surface-energy organic matter.
Detailed description of the invention
Fig. 1 (a) and (b) be respectively before aluminum alloy surface made from the embodiment of the present invention is not dried 5000 times of amplification and
40000 times of scanning electron microscope shape appearance figure.
Fig. 2 (a) and (b) are respectively 5000 times and 40000 of amplification after the drying of aluminum alloy surface made from the embodiment of the present invention
Scanning electron microscope shape appearance figure again.
Fig. 3 is the contact angle test result figure of superhydrophobic surface of aluminum alloy made from the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing and technical solution, a specific embodiment of the invention is further illustrated.
Embodiment constructs aluminum alloy surface coarse structure using hydrochloric acid solution:
(1) aluminium alloy plate is cut into specification size is 30mm × 20mm × 5mm alloy block, and is polished with 300# sand paper
Remove oxide on surface.Successively it is cleaned by ultrasonic aluminium alloy matrix surface 5min respectively with acetone, dehydrated alcohol or deionized water, from
It is so dry.
(2) hydrochloric acid solution that mass fraction is 35% is prepared.
(3) pretreated alloy matrix aluminum is placed vertically, is immersed in configured hydrochloric acid solution, loses at room temperature
Carve 10min.
(4) alloy matrix aluminum after etching is taken out, 30s is cleaned with deionized water, is put into baking oven dries immediately after,
Middle oven temperature is 140 DEG C, drying time 60min.
(5) sample after drying is taken out, at room temperature natural cooling.
(6) super hydrophobic surface qualification is examined using deionized water to get the super hydrophobic surface of alloy matrix aluminum is arrived.
(7) drop size is 5 μ L when Contact-angle measurement, and matrix surface contact angle is 164 ° after detecting above-mentioned processing.
Fig. 1 is 5000 times and 40000 times of amplification before not dried using superhydrophobic surface of aluminum alloy obtained by embodiment
Scanning electron microscope surface topography photo, Fig. 1 a observe that protrusion is separated from each other or links together, and some pores connect together to be formed
Bigger longer ditch can be seen that obvious without generating on hole and protrusion from the SEM image of higher magnification in Fig. 1 b
Nanoscale form.
Fig. 2 is to be swept using amplification 5000 times and 40000 times after the drying of superhydrophobic surface of aluminum alloy obtained by embodiment
Retouch Electronic Speculum surface topography photo.It can be observed that being flocculated after 60min is toasted at 140 DEG C in the surface of etching by nanoscale
Object form densely covers protrusion or hole, more coarse intensive micro nano structure is formd, as shown in Fig. 2 a and b.
Fig. 3 is to drip to aluminium alloy matrix surface with deionized water by superhydrophobic surface of aluminum alloy prepared by the present invention
Carry out contact angle determination.
Claims (8)
1. a kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified, which is characterized in that steps are as follows:
It will be placed in hydrochloric acid solution by pretreated alloy matrix aluminum, using chemical method for etching, the time of room temperature chemical etching
For 9~13min, the coarse structure of micro/nano level is formed in aluminium alloy matrix surface；After cleaning, in drying temperature 80 DEG C~200
At least 60min is dried under the conditions of DEG C；Then, natural cooling at room temperature, to realize super-hydrophobicization of aluminum alloy surface.
2. superhydrophobic surface of aluminum alloy preparation method according to claim 1, which is characterized in that the pretreatment, by aluminium
Alloy substrate surface is polished with 300# sand paper, is then successively closed respectively with acetone, dehydrated alcohol and deionized water ultrasonic cleaning aluminium
Golden matrix surface 5min.
3. superhydrophobic surface of aluminum alloy preparation method according to claim 1 or 2, which is characterized in that the hydrochloric acid solution
It is the hydrochloric acid solution that mass fraction is 35%.
4. superhydrophobic surface of aluminum alloy preparation method according to claim 1 or 2, which is characterized in that the chemical etching
Time be 10min, drying time 60min, drying temperature be 140 DEG C.
5. superhydrophobic surface of aluminum alloy preparation method according to claim 3, which is characterized in that the chemical etching when
Between be 10min, drying time 60min, drying temperature be 140 DEG C.
6. according to claim 1, superhydrophobic surface of aluminum alloy preparation method described in 2 or 5, which is characterized in that after the etching
Alloy matrix aluminum taking-up be dipped into deionized water and clean 30s.
7. superhydrophobic surface of aluminum alloy preparation method according to claim 3, which is characterized in that the aluminium after the etching closes
The taking-up of auri body, which is dipped into deionized water, cleans 30s.
8. superhydrophobic surface of aluminum alloy preparation method according to claim 4, which is characterized in that the aluminium after the etching closes
The taking-up of auri body, which is dipped into deionized water, cleans 30s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910003202.4A CN109706454A (en) | 2019-01-03 | 2019-01-03 | A kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified |
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| CN201910003202.4A CN109706454A (en) | 2019-01-03 | 2019-01-03 | A kind of superhydrophobic surface of aluminum alloy preparation method that no low-surface energy substance is modified |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714212A (en) * | 2019-10-12 | 2020-01-21 | 常州大学 | Method for preparing super-hydrophobic nickel film in aqueous solution system by nickel chloride one-step method |
| CN114877570A (en) * | 2022-06-02 | 2022-08-09 | 桂林电子科技大学 | Electric automobile heat pump type air-conditioning automobile external heat exchanger fin and preparation method of super-hydrophobic coating for defrosting thereof |
| CN115029767A (en) * | 2022-05-31 | 2022-09-09 | 珠海市湖大科技有限公司 | Preparation method of inorganic super-hydrophobic surface of aluminum alloy |
-
2019
- 2019-01-03 CN CN201910003202.4A patent/CN109706454A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714212A (en) * | 2019-10-12 | 2020-01-21 | 常州大学 | Method for preparing super-hydrophobic nickel film in aqueous solution system by nickel chloride one-step method |
| CN115029767A (en) * | 2022-05-31 | 2022-09-09 | 珠海市湖大科技有限公司 | Preparation method of inorganic super-hydrophobic surface of aluminum alloy |
| CN115029767B (en) * | 2022-05-31 | 2023-12-29 | 湖北大学 | Preparation method of inorganic superhydrophobic surface of aluminum alloy |
| CN114877570A (en) * | 2022-06-02 | 2022-08-09 | 桂林电子科技大学 | Electric automobile heat pump type air-conditioning automobile external heat exchanger fin and preparation method of super-hydrophobic coating for defrosting thereof |
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Application publication date: 20190503 |