CN104562017A - Alkaline chemical polishing method of aluminum profile for doors and windows - Google Patents
Alkaline chemical polishing method of aluminum profile for doors and windows Download PDFInfo
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- CN104562017A CN104562017A CN201310488573.9A CN201310488573A CN104562017A CN 104562017 A CN104562017 A CN 104562017A CN 201310488573 A CN201310488573 A CN 201310488573A CN 104562017 A CN104562017 A CN 104562017A
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- chemical polishing
- aluminum profile
- parts
- section bar
- aluminium section
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Abstract
The invention discloses an alkaline chemical polishing method of an aluminum profile for doors and windows. According to the method, the aluminum profile reacts in a H2SO4 solution with the concentration of 160 g/L for 2 min to release hydrogen; an alkaline chemical polishing solution is prepared from the components in parts by weight as follows: 60 parts of sodium hydroxide, 18-20 parts of sodium nitrite, 3 parts of sodium phosphate and 2-5 parts of sodium fluoride; the treated aluminum profile is treated with the alkaline chemical polishing solution for 15 s at the treating temperature of 110 DEG C; and the aluminum profile is washed, neutralized and then washed twice. The alkaline chemical polishing solution is reasonable in component and removes an oxide film and other impurities on the surface of the aluminum profile effectively, so that the surface of the aluminum profile is smooth and clean, and follow-up setting of sprayed preservative is guaranteed.
Description
Technical field
The invention belongs to the processing technology field of door and window aluminium section bar material, be specifically related to a kind of basic chemical polishing method of door and window aluminium section bar.
Background technology
Aluminium section bar is because of its excellent processing performance, and the features such as quality is light are the main structured materials of current door and window and curtain wall, widespread use in worldwide.But undressed aluminum alloy extrusion section bar easily corrodes in moist atmosphere, so often carry out membrane process to its table, but attached when touching process, if the cleaning of its surface and oil contaminant is sordid, membrane will be caused to come off, affect work-ing life.
Summary of the invention
In order to overcome the above-mentioned technical problem that prior art field exists, the object of the invention is to, provide a kind of basic chemical polishing method of door and window aluminium section bar, method is simple, and process is clean.
The basic chemical polishing method of door and window aluminium section bar provided by the invention, comprises the following steps: aluminium section bar is react 2min, releasing hydrogen gas in the H2SO4 solution of 160g/L in concentration by (1); (2) prepare basic chemical polishing solution, the component of basic chemical polishing solution and the weight part of each component are: sodium hydroxide: 60 parts; Sodium Nitrite: 18-20 part; Sodium phosphate: 3 parts; Sodium Fluoride: 2-5 part; (3) aluminium section bar step (1) handled well adopts the basic chemical polishing solution described in step (2) to process, and treatment temp is 110 DEG C, and the treatment time is 15s; (4) aluminium section bar is washed, neutralize afterwards, the after washing of neutralization 2 times.
The basic chemical polishing method of door and window aluminium section bar provided by the invention, its beneficial effect is, basic chemical polishing solution component is reasonable, effectively removes oxide film and other impurity of aluminium shape surface, make aluminium shape surface bright and clean, guarantee the set of the anticorrosion with painting agent of postorder.
Embodiment
Below in conjunction with an embodiment, the basic chemical polishing method of door and window aluminium section bar provided by the invention is described in detail.
Embodiment
The basic chemical polishing method of the door and window aluminium section bar of the present embodiment, comprises the following steps: aluminium section bar is react 2min, releasing hydrogen gas in the H2SO4 solution of 160g/L in concentration by (1); (2) prepare basic chemical polishing solution, the component of basic chemical polishing solution and the weight part of each component are: sodium hydroxide: 60 parts; Sodium Nitrite: 18 parts; Sodium phosphate: 3 parts; Sodium Fluoride: 3 parts; (3) aluminium section bar step (1) handled well adopts the basic chemical polishing solution described in step (2) to process, and treatment temp is 110 DEG C, and the treatment time is 15s; (4) aluminium section bar is washed, neutralize afterwards, the after washing of neutralization 2 times.
Claims (1)
1. a basic chemical polishing method for door and window aluminium section bar, is characterized in that: comprise the following steps: aluminium section bar is react 2min, releasing hydrogen gas in the H2SO4 solution of 160g/L in concentration by (1); (2) prepare basic chemical polishing solution, the component of basic chemical polishing solution and the weight part of each component are: sodium hydroxide: 60 parts; Sodium Nitrite: 18-20 part; Sodium phosphate: 3 parts; Sodium Fluoride: 2-5 part; (3) aluminium section bar step (1) handled well adopts the basic chemical polishing solution described in step (2) to process, and treatment temp is 110 DEG C, and the treatment time is 15s; (4) aluminium section bar is washed, neutralize afterwards, the after washing of neutralization 2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488573.9A CN104562017A (en) | 2013-10-18 | 2013-10-18 | Alkaline chemical polishing method of aluminum profile for doors and windows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488573.9A CN104562017A (en) | 2013-10-18 | 2013-10-18 | Alkaline chemical polishing method of aluminum profile for doors and windows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104562017A true CN104562017A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310488573.9A Pending CN104562017A (en) | 2013-10-18 | 2013-10-18 | Alkaline chemical polishing method of aluminum profile for doors and windows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104562017A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331979A (en) * | 2015-10-21 | 2016-02-17 | 上海瑞特良化工有限公司 | Aluminum chemical polishing solution and polishing method with same |
| CN108265295A (en) * | 2016-12-30 | 2018-07-10 | 鸿富锦精密工业（深圳）有限公司 | Decoating liquid |
| CN111074280A (en) * | 2019-12-20 | 2020-04-28 | 中建材浚鑫科技有限公司 | Novel alkali polishing process |
-
2013
- 2013-10-18 CN CN201310488573.9A patent/CN104562017A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331979A (en) * | 2015-10-21 | 2016-02-17 | 上海瑞特良化工有限公司 | Aluminum chemical polishing solution and polishing method with same |
| CN105331979B (en) * | 2015-10-21 | 2017-12-26 | 上海瑞特良化工有限公司 | A kind of aluminium chemical polishing liquid and the polishing method using the polishing fluid |
| CN108265295A (en) * | 2016-12-30 | 2018-07-10 | 鸿富锦精密工业（深圳）有限公司 | Decoating liquid |
| CN111074280A (en) * | 2019-12-20 | 2020-04-28 | 中建材浚鑫科技有限公司 | Novel alkali polishing process |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |