CN103668189A - Aluminum alloy surface anticorrosion method - Google Patents
Aluminum alloy surface anticorrosion method Download PDFInfo
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- CN103668189A CN103668189A CN201310653883.1A CN201310653883A CN103668189A CN 103668189 A CN103668189 A CN 103668189A CN 201310653883 A CN201310653883 A CN 201310653883A CN 103668189 A CN103668189 A CN 103668189A
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Abstract
The invention discloses an aluminum alloy surface anticorrosion method which comprises the following steps: 1) preparing an organic film solution; 2) putting aluminum alloy into an isopropanol solution for 2 hours of ultrasonic cleaning, rinsing with deionized water, taking out, and drying at 55 DEGC; 3) preparing nano titanium dioxide sol with butyl phthalate as a raw material; 4) soaking the cleaned and dried aluminum alloy in the nanometer titanium dioxide sol for 1 hour, taking the aluminum alloy out to the air for air drying for 3 hours, and then drying in an oven at 75 DEG C for 7 hours to obtain the aluminum alloy wrapped with an inorganic film; and 5) coating the surface of the aluminum alloy wrapped with the inorganic film with the organic film solution to obtain the aluminum alloy wrapped with an organic film and the inorganic film . The aluminum alloy surface anticorrosion method improves the mechanical strength, high temperature resistance and corrosion resistance of aluminum alloy surface protection films.
Description
Technical field
The present invention relates to aluminum alloy surface anti-corrosion method.
Background technology
In prior art, aluminum alloy surface protective membrane physical strength is bad, non-refractory, and erosion resistance is poor.
Summary of the invention
The object of the present invention is to provide a kind of aluminum alloy surface anti-corrosion method, improve aluminum alloy surface protective membrane physical strength, resistance to elevated temperatures, erosion resistance.
For achieving the above object, technical scheme of the present invention is a kind of aluminum alloy surface anti-corrosion method of design, comprises the steps:
1) 65 mass parts water, 15 mass parts vinyltrimethoxy silanes, 85 mass parts dehydrated alcohols are mixed, add 1～3 mass parts formic acid, regulating pH is 11, sealing after stirring, in the rearmounted 45 ℃ of water-baths of sonic oscillation, react to gel, then add 25 mass parts tetrahydrofuran (THF)s, 1～2 mass parts benzoyl peroxide, mix, make organic membrane solution;
2) aluminium alloy is put into aqueous isopropanol ultrasonic cleaning 2 hours, then is carried out rinsing with deionized water, after taking-up 55 ℃ of oven dry;
3) take Butyl Phthalate prepares nano titanic oxide sol as raw material;
4) cleaning and dried aluminium alloy are soaked 1 hour in nano titanic oxide sol, taking-up aluminium alloy is put in air and is dried 3 hours, then dries 7 hours in 75 ℃ of baking ovens, must wrap up the aluminium alloy of mineral membrane;
5) in the aluminum alloy surface of having wrapped up mineral membrane, coat organic membrane solution, obtain being coated with the aluminium alloy of machine film and mineral membrane.
Advantage of the present invention and beneficial effect are: a kind of aluminum alloy surface anti-corrosion method is provided, improves aluminum alloy surface protective membrane physical strength, resistance to elevated temperatures, erosion resistance.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
The concrete technical scheme of implementing of the present invention is:
Embodiment 1
An aluminum alloy surface anti-corrosion method, comprises the steps:
1) 65 mass parts water, 15 mass parts vinyltrimethoxy silanes, 85 mass parts dehydrated alcohols are mixed, add 1 mass parts formic acid, regulating pH is 11, sealing after stirring, in the rearmounted 45 ℃ of water-baths of sonic oscillation, react to gel, then add 25 mass parts tetrahydrofuran (THF)s, 1 mass parts benzoyl peroxide, mix, make organic membrane solution;
2) aluminium alloy is put into aqueous isopropanol ultrasonic cleaning 2 hours, then is carried out rinsing with deionized water, after taking-up 55 ℃ of oven dry;
3) take Butyl Phthalate prepares nano titanic oxide sol as raw material;
4) cleaning and dried aluminium alloy are soaked 1 hour in nano titanic oxide sol, taking-up aluminium alloy is put in air and is dried 3 hours, then dries 7 hours in 75 ℃ of baking ovens, must wrap up the aluminium alloy of mineral membrane;
5) in the aluminum alloy surface of having wrapped up mineral membrane, coat organic membrane solution, obtain being coated with the aluminium alloy of machine film and mineral membrane.
Embodiment 2
An aluminum alloy surface anti-corrosion method, comprises the steps:
1) 65 mass parts water, 15 mass parts vinyltrimethoxy silanes, 85 mass parts dehydrated alcohols are mixed, add 3 mass parts formic acid, regulating pH is 11, sealing after stirring, in the rearmounted 45 ℃ of water-baths of sonic oscillation, react to gel, then add 25 mass parts tetrahydrofuran (THF)s, 2 mass parts benzoyl peroxides, mix, make organic membrane solution;
2) aluminium alloy is put into aqueous isopropanol ultrasonic cleaning 2 hours, then is carried out rinsing with deionized water, after taking-up 55 ℃ of oven dry;
3) take Butyl Phthalate prepares nano titanic oxide sol as raw material;
4) cleaning and dried aluminium alloy are soaked 1 hour in nano titanic oxide sol, taking-up aluminium alloy is put in air and is dried 3 hours, then dries 7 hours in 75 ℃ of baking ovens, must wrap up the aluminium alloy of mineral membrane;
5) in the aluminum alloy surface of having wrapped up mineral membrane, coat organic membrane solution, obtain being coated with the aluminium alloy of machine film and mineral membrane.
Embodiment 3
An aluminum alloy surface anti-corrosion method, comprises the steps:
1) 65 mass parts water, 15 mass parts vinyltrimethoxy silanes, 85 mass parts dehydrated alcohols are mixed, add 2 mass parts formic acid, regulating pH is 11, sealing after stirring, in the rearmounted 45 ℃ of water-baths of sonic oscillation, react to gel, then add 25 mass parts tetrahydrofuran (THF)s, 1.5 mass parts benzoyl peroxides, mix, make organic membrane solution;
2) aluminium alloy is put into aqueous isopropanol ultrasonic cleaning 2 hours, then is carried out rinsing with deionized water, after taking-up 55 ℃ of oven dry;
3) take Butyl Phthalate prepares nano titanic oxide sol as raw material;
4) cleaning and dried aluminium alloy are soaked 1 hour in nano titanic oxide sol, taking-up aluminium alloy is put in air and is dried 3 hours, then dries 7 hours in 75 ℃ of baking ovens, must wrap up the aluminium alloy of mineral membrane;
5) in the aluminum alloy surface of having wrapped up mineral membrane, coat organic membrane solution, obtain being coated with the aluminium alloy of machine film and mineral membrane.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. aluminum alloy surface anti-corrosion method, is characterized in that, comprises the steps:
1) 65 mass parts water, 15 mass parts vinyltrimethoxy silanes, 85 mass parts dehydrated alcohols are mixed, add 1～3 mass parts formic acid, regulating pH is 11, sealing after stirring, in the rearmounted 45 ℃ of water-baths of sonic oscillation, react to gel, then add 25 mass parts tetrahydrofuran (THF)s, 1～2 mass parts benzoyl peroxide, mix, make organic membrane solution;
2) aluminium alloy is put into aqueous isopropanol ultrasonic cleaning 2 hours, then is carried out rinsing with deionized water, after taking-up 55 ℃ of oven dry;
3) take Butyl Phthalate prepares nano titanic oxide sol as raw material;
4) cleaning and dried aluminium alloy are soaked 1 hour in nano titanic oxide sol, taking-up aluminium alloy is put in air and is dried 3 hours, then dries 7 hours in 75 ℃ of baking ovens, must wrap up the aluminium alloy of mineral membrane;
5) in the aluminum alloy surface of having wrapped up mineral membrane, coat organic membrane solution, obtain being coated with the aluminium alloy of machine film and mineral membrane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310653883.1A CN103668189A (en) | 2013-12-09 | 2013-12-09 | Aluminum alloy surface anticorrosion method |
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| CN201310653883.1A CN103668189A (en) | 2013-12-09 | 2013-12-09 | Aluminum alloy surface anticorrosion method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018144A (en) * | 2014-06-20 | 2014-09-03 | 合肥长城制冷科技有限公司 | Aluminum alloy surface anticorrosion process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643906A (en) * | 2008-08-07 | 2010-02-10 | 哈尔滨工业大学 | Titanium-containing organic-inorganic hybridized nano preservative protective film |
| CN102912345A (en) * | 2012-10-29 | 2013-02-06 | 南京信息工程大学 | Aluminium alloy surface corrosion control method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643906A (en) * | 2008-08-07 | 2010-02-10 | 哈尔滨工业大学 | Titanium-containing organic-inorganic hybridized nano preservative protective film |
| CN102912345A (en) * | 2012-10-29 | 2013-02-06 | 南京信息工程大学 | Aluminium alloy surface corrosion control method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018144A (en) * | 2014-06-20 | 2014-09-03 | 合肥长城制冷科技有限公司 | Aluminum alloy surface anticorrosion process |
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Application publication date: 20140326 |
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