CN102677058A - Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions - Google Patents
Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions Download PDFInfo
- Publication number
- CN102677058A CN102677058A CN2012101686546A CN201210168654A CN102677058A CN 102677058 A CN102677058 A CN 102677058A CN 2012101686546 A CN2012101686546 A CN 2012101686546A CN 201210168654 A CN201210168654 A CN 201210168654A CN 102677058 A CN102677058 A CN 102677058A
- Authority
- CN
- China
- Prior art keywords
- ions
- hydrophobic
- aluminium
- copper
- ethanolic soln
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a method for etching and preparing an ultra-hydrophobic aluminum surface by using a saline solution containing copper ions and chloride ions. The method comprises the steps that firstly an aluminum plate is polished and is additionally cleaned to remove oil; afterwards, the oil-removed aluminum plate is soaked in the saline solution containing the copper ions and the chloride ions for a certain time, and after the aluminum plate is taken out, deposited copper is cleaned by using an ultrasonic cleaner and the aluminum plate is dried; and finally, the etched aluminum plate is soaked in an ethanol solution containing a low surface energy material for 1h, and after the etched aluminum plate is taken out and is dried, the ultra-hydrophobic aluminum surface can be obtained. The method has the advantages that complex and expensive equipment is not needed, the process is simple, the repeatability is good, the obtained ultra-hydrophobic aluminum surface has excellent hydrophobic performance, contact angles of water drops on the ultra-hydrophobic aluminum surface exceed 160 DEG and rolling angles of the water drops are smaller than 2 DEG.
Description
Technical field
The invention belongs to the Metal Surface Modification Technique field, relate to a kind of preparation method who makes up super-hydrophobicity at aluminium and alloy surface thereof fast.
Background technology
Wettability is one of critical nature of solid surface, and contact angle commonly used is weighed, and when contact angle is a water-wetted surface during less than 90 °, is ultra-hydrophilic surface during less than 5 °, is hydrophobic surface during greater than 90 °, is super hydrophobic surface during greater than 150 °.At occurring in nature, super-hydrophobic phenomenon is seen everywhere: plant leafs such as lotus leaf, paddy rice leaf have the automatically cleaning effect, and on the forefront surface, butterfly's wing can not drenched water skipper in the rain like a dream.Super hydrophobic surface has characteristics such as automatically cleaning, drag reduction, corrosion-resistant and freezing frosting, and metallic substance is widely used in industrial and agricultural production, therefore studies the preparation method of metallic matrix super hydrophobic surface and uses very important.Aluminium and alloy thereof are most widely used non-ferrous metals in the industry, and in field widespread uses such as Aeronautics and Astronautics, automobile, machinofacture, boats and ships, thereby it is significant on aluminium and alloy thereof, to prepare super hydrophobic surface.At present, existing several different methods can be used for preparing super-hydrophobic aluminium surface.Application number is the preparation method that 200510125518.9 patented claim discloses a kind of bionical super hydrophobic surface, on aluminium and alloy substrate thereof, prepares bionical super hydrophobic surface through sodium hydroxide oxidation and spin coating Perfluorononane.Application number is that 200610038572.4 patented claim discloses a kind of method of improving surface hydrophobic property of metal material; Utilize high pressure air flow that different numbers of sand pills is carried out sandblasting through spray gun to the aluminium surface and change its surface topography; Then at its surface-coated low surface energy material, thereby change aluminium wetting of surfaces property.Application number is the preparation method that 200710156490.4 patented claim discloses a kind of light metal super-hydrophobic surface; This preparation method at first carries out anodic oxidation to the aluminium surface; Make it to generate one deck porous oxide film; Adopt the Low Temperature Plasma Treating technology to its surface-treated then, carry out chemically modified on the sull surface at last and form super hydrophobic surface.Application number is the preparation method that 200910111202.2 patent discloses a kind of metallic aluminum super-hydrophobic surface, obtains coarse structure through chemical corrosion and anodic oxidation two-step approach, obtains super-hydrophobicity after silicon fluoride is modified the back.Application number is that 201010521109.1 patented claim discloses a kind of super hydrophobic surface of duraluminum cheaply treatment process; Adopting aqueous hydrochloric acid that aluminum alloy surface is carried out chemical etching handles; Adopt longer chain fatty acid to modify and reduce surface energy; Obtain water droplet at last and be difficult for adhering to, have the aluminum alloy surface of good superhydrophobic characteristic.Application number is the low damage preparation method that the patented claim of 201110273604.X discloses a kind of industrial aluminium foil super hydrophobic surface; Earlier industrial aluminium foil is immersed in phosphoric acid and the Sodium Fluoride mixed aqueous solution; Etching 5 min under 70 ℃ of water bath with thermostatic control conditions; In 70 ℃ liquid Triple Pressed Stearic Acid, soak 1h then, can prepare industrial aluminium foil surface with superhydrophobic characteristic.In addition, the preparation method that application number is 200710028672.3,200810183392.4,200910212774.X, 201010577615.2,201010210781.9,201010268192.6,201110298431.7,201110007252.3,201110298848.3,201110273601.6,201110282445.X, 201110273605.4 patented claim also disclose some super-hydrophobic aluminium surfaces.Comprehensive above-mentioned each method can know that the main preparation process on super-hydrophobic aluminium surface can be divided into for two steps, the one, prepare suitable coarse structure, and the 2nd, adopt low-surface-energy material to modify and reduce surface energy.Yet, though aforesaid method can be realized the super-hydrophobicity of aluminium and alloy surface thereof, these methods or need complex apparatus and technology, or need dangerous chemical reagent, and working (machining) efficiency is generally lower, it is higher to pollute.The method of therefore inventing a kind of simple, easy to operate, low pollution, the super-hydrophobic aluminium of high efficiency preparation surface is necessary.
Summary of the invention
Technical problem to be solved by this invention provides the method on a kind of simple, easy to operate, low pollution, the super-hydrophobic aluminium of high efficiency preparation surface.
The technical scheme that the present invention adopts comprises the steps:
(1) pre-treatment: aluminium sheet is carried out rubbing down, clean oil removing again.
(2) coarse structure makes up: the aluminium sheet after the oil removing is immersed in for some time in the salts solution of copper ions and cl ions, takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dry; The content of cupric ion is no less than 0.1 mol/L in the salts solution, and the content of cl ions is no less than 0.2 mol/L; Soak time is no less than 10 s.
(3) aluminium sheet after the salts solution etching of copper ions and cl ions is immersed in 1h in the ethanolic soln that contains low-surface-energy material, takes out the back oven dry; The described ethanolic soln that contains low-surface-energy material is that mass percent is not less than 0.5% silicon fluoride ethanolic soln, Triple Pressed Stearic Acid ethanolic soln, LAURIC ACID 99 MIN ethanolic soln or palmitinic acid ethanolic soln.
The salts solution of said copper ions and cl ions can be the mixed solution of mixed solution, cupric nitrate and the sodium-chlor of Cupric Chloride Solution, copper sulfate and sodium-chlor.
The present invention compares with the technology of preparing on existing super-hydrophobic aluminium surface and has the following advantages:
(1) the present invention need not dangerous chemical reagent such as accurate device, complicated operations step or strong acid, highly basic, has advantages such as simple, easy to operate, low pollution, high-level efficiency.
(2) working (machining) efficiency of the present invention is high, only needs tens seconds etching time just can obtain the required coarse structure of super hydrophobic surface.
(3) the super-hydrophobic aluminium surface that obtains of the present invention have excellent hydrophobicity can, water droplet contact angle above that surpasses 160 °, roll angle is less than 2 °.
(4) hydrophobic performance on the super-hydrophobic aluminium surface that obtains of the present invention is very stable, with its its surperficial super-hydrophobicity no change behind air and room temperature condition held some months.
Description of drawings
Fig. 1 is the surperficial sem photograph of super-hydrophobic aluminium that embodiment 1 obtains.
Fig. 2 is the surperficial hydrophobic synoptic diagram of super-hydrophobic aluminium that embodiment 1 obtains.
Fig. 3 is the surperficial sem photograph of super-hydrophobic aluminium that embodiment 2 obtains.
Fig. 4 is the surperficial hydrophobic synoptic diagram of super-hydrophobic aluminium that embodiment 2 obtains.
Fig. 5 is the surperficial sem photograph of super-hydrophobic aluminium that embodiment 3 obtains.
Fig. 6 is the surperficial hydrophobic synoptic diagram of super-hydrophobic aluminium that embodiment 3 obtains.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Embodiment 1
The aluminium sheet of 30 * 40 * 2 mm is removed the zone of oxidation and the impurity on surface respectively through 1200# and 1500# sand papering.Aluminium sheet after the polishing is passed through absolute ethyl alcohol and deionized water ultrasonic cleaning successively, and dry up.And then the aluminium sheet that cleans up is immersed in 10 s in the aqueous solution that contains 1 mol/L cupric chloride; Cupric ion and aluminium generation replacement(metathesis)reaction on surface of aluminum plate; Aluminium corrodes into aluminum ion; Cupric ion is reduced into copper and is deposited on the aluminium surface, and aluminium sheet takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dries up.At last, it is 1 h in 1% the silicon fluoride ethanolic soln that the aluminium sheet after drying up is immersed in massfraction, puts into 100 ℃ baking oven baking 10 min after the taking-up.ESEM shows that there is the coarse structure that is made up of the micro/nano level step-like structure in super-hydrophobic aluminium surface.Water droplet contact angle above that reaches 168.4 °, and roll angle is merely 0.5 °.
Embodiment 2
The aluminium sheet of 30 * 40 * 2 mm is removed the zone of oxidation and the impurity on surface respectively through 1200# and 1500# sand papering.Aluminium sheet after the polishing is passed through absolute ethyl alcohol and deionized water ultrasonic cleaning successively, and dry up.And then the aluminium sheet that cleans up is immersed in 30 s in the aqueous solution that contains 1 mol/L copper sulfate and 2 mol/L sodium-chlor; Cupric ion and aluminium generation replacement(metathesis)reaction on surface of aluminum plate; Aluminium corrodes into aluminum ion; Cupric ion is reduced into copper and is deposited on the aluminium surface, and aluminium sheet takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dries up.At last, it is 1 h in 1% the silicon fluoride ethanolic soln that the aluminium sheet after drying up is immersed in massfraction, puts into 100 ℃ baking oven baking 10 min after the taking-up.ESEM shows that there is the coarse structure that is made up of the micro/nano level step-like structure in super-hydrophobic aluminium surface.Water droplet contact angle above that reaches 166.4 °, and roll angle is merely 1 °.
Embodiment 3
The aluminium sheet of 30 * 40 * 2 mm is removed the zone of oxidation and the impurity on surface respectively through 1200# and 1500# sand papering.Aluminium sheet after the polishing is passed through absolute ethyl alcohol and deionized water ultrasonic cleaning successively, and dry up.And then the aluminium sheet that cleans up is immersed in 35 s in the aqueous solution that contains 1 mol/L cupric nitrate and 2mol/L sodium-chlor; Cupric ion and aluminium generation replacement(metathesis)reaction on surface of aluminum plate; Aluminium corrodes into aluminum ion; Cupric ion is reduced into copper and is deposited on the aluminium surface, and aluminium sheet takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dries up.At last, it is 1 h in 1% the silicon fluoride ethanolic soln that the aluminium sheet after drying up is immersed in massfraction, puts into 100 ℃ baking oven baking 10 min after the taking-up.ESEM shows that there is the coarse structure that is made up of the micro/nano level step-like structure in super-hydrophobic aluminium surface.Water droplet contact angle above that reaches 167.3 °, and roll angle is merely 1 °.
Embodiment 4
The aluminium sheet of 30 * 40 * 2 mm is removed the zone of oxidation and the impurity on surface respectively through 1200# and 1500# sand papering.Aluminium sheet after the polishing is passed through absolute ethyl alcohol and deionized water ultrasonic cleaning successively, and dry up.And then the aluminium sheet that cleans up is immersed in 10 s in the copper chloride solution of 1 mol/L; Cupric ion and pure aluminum generation replacement(metathesis)reaction on surface of aluminum plate; Pure aluminum corrodes into aluminum ion; Cupric ion is reduced to copper and is deposited on the aluminium surface, and aluminium sheet takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dries up.At last, it is 1 h in 1% the Triple Pressed Stearic Acid ethanolic soln that the aluminium sheet after drying up is immersed in massfraction, puts into 100 ℃ baking oven baking 10 min after the taking-up.Water droplet contact angle above that reaches 163.4 °, and roll angle is merely 1 °.
Embodiment 5
The aluminium sheet of 30 * 40 * 2 mm is removed the zone of oxidation and the impurity on surface respectively through 1200# and 1500# sand papering.Aluminium sheet after the polishing is passed through absolute ethyl alcohol and deionized water ultrasonic cleaning successively, and dry up.And then the aluminium sheet that cleans up is immersed in 10 s in the aqueous solution that contains 1 mol/L cupric chloride; Cupric ion and aluminium generation replacement(metathesis)reaction on surface of aluminum plate; Aluminium corrodes into aluminum ion; Cupric ion is reduced into copper and is deposited on the aluminium surface, and aluminium sheet takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dries up.At last, it is 1 h in 1% the LAURIC ACID 99 MIN ethanolic soln that the aluminium sheet after drying up is immersed in massfraction, puts into 100 ℃ baking oven baking 10 min after the taking-up.Water droplet contact angle above that reaches 163.8 °, and roll angle is merely 1 °.
Embodiment 6
The aluminium sheet of 30 * 40 * 2 mm is removed the zone of oxidation and the impurity on surface respectively through 1200# and 1500# sand papering.Aluminium sheet after the polishing is passed through absolute ethyl alcohol and deionized water ultrasonic cleaning successively, and dry up.And then the aluminium sheet that cleans up is immersed in 10 s in the aqueous solution that contains 1 mol/L cupric chloride; Cupric ion and aluminium generation replacement(metathesis)reaction on surface of aluminum plate; Aluminium corrodes into aluminum ion; Cupric ion is reduced into copper and is deposited on the aluminium surface, and aluminium sheet takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dries up.At last, it is 1 h in 1% the palmitinic acid ethanolic soln that the aluminium sheet after drying up is immersed in massfraction, puts into 100 ℃ baking oven baking 10 min after the taking-up.Water droplet contact angle above that reaches 164.5 °, and roll angle is merely 1 °.
Claims (2)
1. the salts solution etching of copper ions and cl ions prepares the method on super-hydrophobic aluminium surface, it is characterized in that this method may further comprise the steps:
(1) pre-treatment: aluminium sheet is carried out rubbing down, clean oil removing again;
(2) coarse structure makes up: the aluminium sheet after the oil removing is immersed in for some time in the salts solution of copper ions and cl ions, takes out the back and washes sedimentary copper with Ultrasonic Cleaners, and dry; The content of cupric ion is no less than 0.1 mol/L in the above-mentioned salts solution, and the content of cl ions is no less than 0.2 mol/L; Soak time is no less than 10 s;
(3) aluminium sheet after the salts solution etching of copper ions and cl ions is immersed in 1 h in the ethanolic soln that contains low-surface-energy material, takes out the back oven dry; The described ethanolic soln that contains low-surface-energy material is that mass percent is not less than 0.5% silicon fluoride ethanolic soln, Triple Pressed Stearic Acid ethanolic soln, LAURIC ACID 99 MIN ethanolic soln or palmitinic acid ethanolic soln.
2. the method for claim 1 is characterized in that, the salts solution of described copper ions and cl ions is the mixed solution of mixed solution, cupric nitrate and the sodium-chlor of Cupric Chloride Solution, copper sulfate and sodium-chlor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101686546A CN102677058A (en) | 2012-05-28 | 2012-05-28 | Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101686546A CN102677058A (en) | 2012-05-28 | 2012-05-28 | Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102677058A true CN102677058A (en) | 2012-09-19 |
Family
ID=46809590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101686546A Pending CN102677058A (en) | 2012-05-28 | 2012-05-28 | Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102677058A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409754A (en) * | 2013-07-29 | 2013-11-27 | 西安交通大学 | Etching-based surface super-hydrophobicity treatment technology for aluminium material |
| CN104878430A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Process method for preparing super-amphiphobic zinc surface |
| CN106086835A (en) * | 2016-07-27 | 2016-11-09 | 昆明理工大学 | A kind of aluminum and the preparation method of superhydrophobic surface of aluminum alloy |
| CN106399986A (en) * | 2016-12-02 | 2017-02-15 | 江苏理工学院 | Preparation method of super-hydrophobic aluminum surface with self-cleaning function |
| CN106513267A (en) * | 2016-11-17 | 2017-03-22 | 榆林学院 | Aluminum powder doped aluminum oxide hydrophobic film and preparation method thereof |
| CN107096996A (en) * | 2017-05-05 | 2017-08-29 | 吉林大学 | A kind of preparation method on the anti-icing surface of bionic super-hydrophobic aluminium alloy without modification |
| CN108342733A (en) * | 2018-01-19 | 2018-07-31 | 大连理工大学 | A kind of patterned wettability method of surface finish |
| CN108654964A (en) * | 2018-06-11 | 2018-10-16 | 江苏理工学院 | A kind of preparation method on the Super-hydrophobic aluminium surface that surface property is stablized |
| CN110434034A (en) * | 2019-08-26 | 2019-11-12 | 青岛理工大学 | A kind of preparation method of super-hydrophobic coat |
| CN110625208A (en) * | 2019-09-29 | 2019-12-31 | 大连理工大学 | Anti-icing wave-structure super-hydrophobic surface and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008104936A (en) * | 2006-10-25 | 2008-05-08 | National Institute Of Advanced Industrial & Technology | Water superrepellent aluminum foil and method of manufacturing the same |
| CN101705488A (en) * | 2009-11-09 | 2010-05-12 | 东南大学 | Surface processing method of super-hydrophobic ice-covering-proof aluminum and steel with rough surface |
| CN102310037A (en) * | 2011-09-28 | 2012-01-11 | 湖南工业大学 | Method for preparing super-hydrophobic colored aluminum alloy |
-
2012
- 2012-05-28 CN CN2012101686546A patent/CN102677058A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008104936A (en) * | 2006-10-25 | 2008-05-08 | National Institute Of Advanced Industrial & Technology | Water superrepellent aluminum foil and method of manufacturing the same |
| CN101705488A (en) * | 2009-11-09 | 2010-05-12 | 东南大学 | Surface processing method of super-hydrophobic ice-covering-proof aluminum and steel with rough surface |
| CN102310037A (en) * | 2011-09-28 | 2012-01-11 | 湖南工业大学 | Method for preparing super-hydrophobic colored aluminum alloy |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409754A (en) * | 2013-07-29 | 2013-11-27 | 西安交通大学 | Etching-based surface super-hydrophobicity treatment technology for aluminium material |
| CN104878430A (en) * | 2015-04-17 | 2015-09-02 | 大连理工大学 | Process method for preparing super-amphiphobic zinc surface |
| CN106086835A (en) * | 2016-07-27 | 2016-11-09 | 昆明理工大学 | A kind of aluminum and the preparation method of superhydrophobic surface of aluminum alloy |
| CN106513267A (en) * | 2016-11-17 | 2017-03-22 | 榆林学院 | Aluminum powder doped aluminum oxide hydrophobic film and preparation method thereof |
| CN106399986A (en) * | 2016-12-02 | 2017-02-15 | 江苏理工学院 | Preparation method of super-hydrophobic aluminum surface with self-cleaning function |
| CN107096996A (en) * | 2017-05-05 | 2017-08-29 | 吉林大学 | A kind of preparation method on the anti-icing surface of bionic super-hydrophobic aluminium alloy without modification |
| CN108342733A (en) * | 2018-01-19 | 2018-07-31 | 大连理工大学 | A kind of patterned wettability method of surface finish |
| CN108654964A (en) * | 2018-06-11 | 2018-10-16 | 江苏理工学院 | A kind of preparation method on the Super-hydrophobic aluminium surface that surface property is stablized |
| CN110434034A (en) * | 2019-08-26 | 2019-11-12 | 青岛理工大学 | A kind of preparation method of super-hydrophobic coat |
| CN110434034B (en) * | 2019-08-26 | 2021-09-17 | 青岛理工大学 | Preparation method of super-hydrophobic coating |
| CN110625208A (en) * | 2019-09-29 | 2019-12-31 | 大连理工大学 | Anti-icing wave-structure super-hydrophobic surface and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102677058A (en) | Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions | |
| CN103952732B (en) | Metal super-hydrophobic surface and preparation method thereof | |
| CN109023319B (en) | Method for preparing copper oxide super-hydrophobic coating with dendritic micro-nano structure | |
| CN105256342B (en) | A kind of super hydrophobic surface based on copper and preparation method thereof | |
| CN104005026B (en) | A kind of method of preparing corrosion-resistant super-hydrophobic rete at Mg alloy surface | |
| CN105297011B (en) | A kind of method for preparing super-hydrophobic composite film layer in Mg alloy surface | |
| CN102286768B (en) | Process method for preparing superhydrophobic magnesium alloy surfaces | |
| CN103510090B (en) | A kind of pretreatment liquid and pre-treating process improving corrosion resistance of aluminum alloy | |
| CN103966643B (en) | A kind of preparation method of the titanium alloy super-hydrophobic surface of low roughness | |
| CN104131322A (en) | Aluminum product surface super-hydrophobic film and making method thereof | |
| CN101469425A (en) | Method for fabricating magnesium alloy super-hydrophobic surface | |
| CN107012458B (en) | Aluminium alloy pretreatment liquid and its application method | |
| CN104846376A (en) | Preparation method of metal-based super-hydrophobic surface | |
| CN107267967B (en) | A method of super-hydrophobic copper coating is prepared in aluminum alloy surface | |
| CN103567456B (en) | A kind of Metallic silver surface super-hydrophobicitymaterial material and preparation method thereof | |
| CN103588164A (en) | Copper-silver micro-nano multi-stage structure super-hydrophobic surface and production method thereof | |
| CN104928670A (en) | Method of preparing conversion film on surface of aluminum alloy | |
| CN104562049A (en) | Method for preparing steel matrix-based super-hydrophobic functional surface | |
| CN103817059A (en) | Preparation method for aluminum super-hydrophobic surface and product | |
| CN106381492A (en) | Method for preparing super-amphiphobic aluminum surface | |
| CN109594080A (en) | A kind of surface treatment method of titanium alloy | |
| CN109468648A (en) | The large-scale producing method on aluminum or aluminum alloy antifrost surface | |
| CN107142467B (en) | A kind of preparation method of super lubrication aluminium surface | |
| CN102383162A (en) | Method for preparing super-hydrophobic aluminum alloy with low carbon, energy saving and environmental protection | |
| CN102051612A (en) | Method for preparing super-hydrophobic lubricant coating on surface of light metal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |