CN102133572A - Preparation method of zinc or zinc alloy super hydrophobic surface with antifriction and wear-resisting property - Google Patents
Preparation method of zinc or zinc alloy super hydrophobic surface with antifriction and wear-resisting property Download PDFInfo
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- CN102133572A CN102133572A CN2011100474930A CN201110047493A CN102133572A CN 102133572 A CN102133572 A CN 102133572A CN 2011100474930 A CN2011100474930 A CN 2011100474930A CN 201110047493 A CN201110047493 A CN 201110047493A CN 102133572 A CN102133572 A CN 102133572A
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Abstract
The invention discloses a preparation method of zinc or zinc alloy super hydrophobic surface with antifriction and wear-resisting property. The method comprises the following steps: firstly cleaning the surface of metal by absolute ethyl alcohol and deionized water; then dipping the metal in N,N-dimethylformamide solution for 8-24 hours with constant temperature, cleaning and drying, wherein the volume ratio concentration of N,N-dimethylformamide is 2-5%, and the temperature is 40-80 DEG C; and finally, dipping the metal in fatty acid ethanol solution with the concentration being 0.001-0.01M and the temperature being 20-60 DEG C for 8-24 hours, taking out the metal, then cleaning the metal by absolute ethyl alcohol, and drying the metal by nitrogen, thus obtaining super hydrophobic surface. The zinc or zinc alloy super hydrophobic surface can be stable for long time, and can keep good super hydrophobicity, antifriction and wear resistance performances after the mechanical bending deformation.
Description
Technical field
The invention belongs to the method for preparing super-hydrophobic surface of metal, be specifically related to a kind of preparation method who constructs super hydrophobic surface at metallic zinc or kirsite matrix with antifriction and anti-wear performance.
Background technology
In recent years, the research of super hydrophobic surface has caused that people pay close attention to widely, and so-called super hydrophobic surface is meant that contact angle with water is greater than 150
°And roll angle is lower than 2
°The surface.Super hydrophobic material has very low surface free energy and good anti-adhesive properties, thereby shows good prospects for application in fields such as automatically cleaning material, microfluidic device, fluid drag-reductions.Yet the practical application of super hydrophobic surface is still very limited at present, and an one important reasons is that the most mechanical performance of the super hydrophobic surface that obtains at present is relatively poor.
Metal material such as zinc or kirsite are owing to have than great, fusing point is low, good casting property, can carry out surface treatment: do not inhale iron when fusing and die casting, do not corrode die mould, advantage auto parts machinery, dynamo-electric accessory, machine components, electric elements in industry such as sticking to mould have not obtained using widely, yet its decay resistance and anti-wear performance are relatively poor, the super hydrophobic surface that existing bibliographical information is constructed at metal material surface has shown excellent corrosion resisting performance, research for its antifriction and anti-wear performance yet there are no pertinent literature.Therefore on zinc or zinc alloy surface, construct and have good antifriction and anti-wear performance Buddhist such as super hydrophobic surface and have important theory and practical significance.
Summary of the invention
In order to solve the problems referred to above that the prior art field exists, the objective of the invention is to, it is relatively more fragile to overcome many super hydrophobic surfaces, thereby the defective that not anti-mechanism is difficult to practical application provides a kind of preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance.
Preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance provided by the invention, this method may further comprise the steps successively:
At first, successively use absolute ethyl alcohol, washed with de-ionized water metal surface.Then, at N, constant temperature soaked 8 ~ 24 hours in the dinethylformamide solution, cleaned drying; Described N, the volume by volume concentration of dinethylformamide are 2-5%, 40 ~ 80 ℃ of temperature.At last, soaked 8 ~ 24 hours with fatty acid ethanolamide solution, the concentration of described fatty acid ethanolamide solution is 0.001-0.01M, and 20 ~ 60 ℃ of temperature after the taking-up, are cleaned with absolute ethyl alcohol again, dry up with nitrogen, can obtain super hydrophobic surface.
Water and salting liquid are dripped on the super hydrophobic surface of the zinc for preparing like this or kirsite and carry out contact angle determination, contact angle is all greater than 150 degree, and roll angle is less than 2 degree.
Be sprayed on this super hydrophobic surface with steam being lower than under the room temperature, the water that condenses after a period of time can't wetting surface can only be with the ball-type droplet congregating that varies in size, and can drop easily.This super hydrophobic surface has the nano bar-shape structure, the contact angle of the water and the 1MNaCl aqueous solution is divided into 156 degree and 155 spends.
This super hydrophobic surface still can keep its super thin property after the medium-term and long-term placement of air surpasses 1 year, superhydrophobic characteristic is almost constant through the alternating bending rear surface.Adopt ball dish testing machine to estimate the antifriction and the antiwear characteristic of super hydrophobic surface, experiment condition is: about 20 ℃ of room temperatures, relative humidity remains on RH=40%-50%, load 0.5N, reciprocating stroke 6mm, reciprocating frequence 2Hz.To dual diameter is the bearing steel ball of 4mm.Found that super hydrophobic surface has splendid antifriction and antiwear characteristic, coefficient of friction keeps about 0.2 to reach one hour, and undressed kirsite keeps low-friction coefficient 5 seconds only under same experimental conditions.
Prepared super hydrophobic surface is nonwetting to the steam under the high humidity environment, and the drop that condensation is formed has minimum adhesion, can drop easily, can be anti-freeze to a certain extent.
This super hydrophobic surface still can keep its super thin property after the medium-term and long-term placement of air surpasses 1 year, superhydrophobic characteristic is almost constant through the alternating bending rear surface.
Preparation technology is simple for this super hydrophobic surface, does not need expensive equipment, and raw material is cheap simultaneously, and technology operability and good reproducibility are easy to preparation in enormous quantities and suitability for industrialized production.
Preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance provided by the invention, its beneficial effect is, adopt method of the present invention, zinc or kirsite super hydrophobic surface can be steady in a long-term, still can keep good super-hydrophobic and antifriction and abrasion resistance after the mechanical bend distortion.This surperficial preparation method is simple, practical, is easy to realize suitability for industrialized production and not only has superhydrophobic characteristic, and it has splendid antifriction and abrasion resistance what is more important.
Description of drawings
Fig. 1 is antifriction and the antiwear characteristic experimental data schematic diagram that the super hydrophobic surface of one embodiment of the invention has.
The specific embodiment
With reference to the accompanying drawings, in conjunction with an embodiment,, be described in detail the preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance provided by the invention.
Embodiment
With reference to Fig. 1, the zinc with antifriction and anti-wear performance of present embodiment or the preparation method of kirsite super hydrophobic surface may further comprise the steps:
1. use absolute ethyl alcohol and deionized water ultrasonic cleaning zine plate (99.9% purity) to slough the grease on the sample successively, it is standby to dry up the back with nitrogen.
2. the above-mentioned zine plate of handling well is immersed in and contains 4%N, in dinethylformamide (volume ratio) solution, be placed in the baking oven 65 ℃ of heated at constant temperature 24 hours.After taking out zinc metal sheet,, dry up with nitrogen with deionized water and absolute alcohol washing.
3. will be immersed in the stearic acid ethanolic solution 24 hours of 0.01mol/L under the above-mentioned zinc metal sheet room temperature of handling well, after the taking-up, clean with absolute ethyl alcohol and to dry up, can obtain super hydrophobic surface with nitrogen.
Claims (3)
1. preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance, it is characterized in that: this method may further comprise the steps successively:
(1) successively with absolute ethyl alcohol, washed with de-ionized water metal surface;
(2) at N, constant temperature soaked 8 ~ 24 hours in the dinethylformamide solution, cleaned drying;
(3) obtained super hydrophobic surface in 8 ~ 24 hours with the immersion of fatty acid ethanolamide solution.
2. the preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance according to claim 1, it is characterized in that: described N, the volume by volume concentration of dinethylformamide are 2-5%, 40 ~ 80 ℃ of temperature.
3. the preparation method with zinc or kirsite super hydrophobic surface of antifriction and anti-wear performance according to claim 1, it is characterized in that: the concentration of described fatty acid ethanolamide solution is 0.001-0.01M, 20 ~ 60 ℃ of temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100474930A CN102133572B (en) | 2011-02-28 | 2011-02-28 | Preparation method of zinc or zinc alloy super hydrophobic surface with antifriction and wear-resisting property |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100474930A CN102133572B (en) | 2011-02-28 | 2011-02-28 | Preparation method of zinc or zinc alloy super hydrophobic surface with antifriction and wear-resisting property |
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| Publication Number | Publication Date |
|---|---|
| CN102133572A true CN102133572A (en) | 2011-07-27 |
| CN102133572B CN102133572B (en) | 2013-12-04 |
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| CN2011100474930A Expired - Fee Related CN102133572B (en) | 2011-02-28 | 2011-02-28 | Preparation method of zinc or zinc alloy super hydrophobic surface with antifriction and wear-resisting property |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389870A (en) * | 2011-11-09 | 2012-03-28 | 西北师范大学 | Method for preparing fluoride-free super-hydrophobic metallic aluminum surface |
| CN103789763A (en) * | 2014-01-23 | 2014-05-14 | 青岛理工大学 | Preparation method for preparing antifriction and anti-abrasion superhydrophobic thin film based on hydrazine hydrate treatment |
| CN111005484A (en) * | 2019-12-19 | 2020-04-14 | 深圳市奇信集团股份有限公司 | Corrosion-resistant building curtain fossil fragments |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613565A (en) * | 2004-12-02 | 2005-05-11 | 上海交通大学 | Preparation for super-hydrophobic superfine structure surface |
-
2011
- 2011-02-28 CN CN2011100474930A patent/CN102133572B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613565A (en) * | 2004-12-02 | 2005-05-11 | 上海交通大学 | Preparation for super-hydrophobic superfine structure surface |
Non-Patent Citations (2)
| Title |
|---|
| CHANTAL BADRE ET AL.: "Effects of nanorod structure and conformation of fatty acid self-assembled layers on superhydrophobicity of zinc oxide surface", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
| XIANMING HOU ET AL.: "Superhydrophobic zinc oxide surface by differential etching and hydrophobic modification", 《MATERIALS SCIENCE AND ENGINEERING A》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389870A (en) * | 2011-11-09 | 2012-03-28 | 西北师范大学 | Method for preparing fluoride-free super-hydrophobic metallic aluminum surface |
| CN103789763A (en) * | 2014-01-23 | 2014-05-14 | 青岛理工大学 | Preparation method for preparing antifriction and anti-abrasion superhydrophobic thin film based on hydrazine hydrate treatment |
| CN103789763B (en) * | 2014-01-23 | 2016-06-22 | 青岛理工大学 | Process based on hydrazine hydrate and construct properties of antifriction and wear resistance based superhydrophobic thin films preparation method |
| CN111005484A (en) * | 2019-12-19 | 2020-04-14 | 深圳市奇信集团股份有限公司 | Corrosion-resistant building curtain fossil fragments |
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|---|---|
| CN102133572B (en) | 2013-12-04 |
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Inventor after: Wan Yong Inventor after: Wang Zhongqian Inventor after: Liu Yifang Inventor after: Dong Zhiwei Inventor after: Zhang Quan Inventor after: Wang Weixu Inventor before: Wan Yong Inventor before: Wang Zhongqian Inventor before: Liu Yifang |
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Free format text: CORRECT: INVENTOR; FROM: WAN YONG WANG ZHONGQIAN LIU YIFANG TO: WAN YONG WANG ZHONGQIAN LIU YIFANG DONG ZHIWEI ZHANG QUAN WANG WEIXU |
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