CN106894029A - A kind of aluminum alloy cleaning agent and preparation method thereof and aluminium alloy cleaning method - Google Patents
A kind of aluminum alloy cleaning agent and preparation method thereof and aluminium alloy cleaning method Download PDFInfo
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- CN106894029A CN106894029A CN201510951674.4A CN201510951674A CN106894029A CN 106894029 A CN106894029 A CN 106894029A CN 201510951674 A CN201510951674 A CN 201510951674A CN 106894029 A CN106894029 A CN 106894029A
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- aluminum alloy
- cleaning agent
- alloy cleaning
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/06—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using emulsions
Abstract
A kind of aluminum alloy cleaning agent and preparation method thereof and aluminium alloy cleaning method.The present invention provides a kind of aluminum alloy cleaning agent, and the aluminum alloy cleaning agent contains：Water, complexing agent, accelerator, surfactant, 1-hydroxy ethylidene-1,1-diphosphonic acid and thiosemicarbazides.Not only constituent content is low for the aluminum alloy cleaning agent that the present invention is provided, and while oil removing degreasing, the oxide layer of aluminium alloy can be fully removed again without corroding base material in itself, with excellent cleaning performance.
Description
Technical field
The present invention relates to a kind of metal cleaning technique, more particularly to a kind of formula of aluminum alloy cleaning agent with and preparation method thereof and aluminium alloy cleaning method.
Background technology
In aluminium and Al-alloy products process, cleaning by degreasing technique is important quality control procedures, and its treatment effect directly affects the treatment effect and product quality of subsequent technique.Cleaning by degreasing on aluminium and aluminium alloy, is in early days the oil removing process for continuing to use steel.The technique tank liquor high cost, is difficult to clean, and seriously corroded.Since the 80's of 20th century, people use acid degreasing agent degreasing at room temperature.Contain nitric acid, hydrofluoric acid, fluoride and chromate in this technique tank liquor, the toxic pollutants such as substantial amounts of nitrogen oxides, hydrogen fluoride, chromate are produced in process of production, the sustainable development to workers ' health and society causes serious influence.
With the development of Modern aluminum alloys defatting technology, the requirement to degreasing agent both at home and abroad develops towards efficient, low energy consumption, process is simple, safe and reliable, environmental protection direction.Therefore, the water base degreasing agent and degreasing process of the features such as exploitation is with water generation oil, save energy, safe and reliable, reduction pollution, simple to operate and reduces cost have turned into current study hotspot.
The content of the invention
To solve the above problems, the invention provides a kind of aluminum alloy cleaning agent, water, complexing agent, accelerator, surfactant, 1-hydroxy ethylidene-1,1-diphosphonic acid are contained in its component（HEDP）And thiosemicarbazides.The cleaning agent is alkalescent between neutral, and the consumption of each component is low, there is resources conservation；Also while can effectively realize oil removing degreasing, and the oxide layer of aluminum alloy surface can be fully removed without corroding base material in itself.
1-hydroxy ethylidene-1,1-diphosphonic acid is added with the aluminum alloy cleaning agent that the present invention is provided（HEDP）, can be with the removal of accelerated oxidation layer, while protecting aluminum alloy surface not to be corroded；Thiosemicarbazides can be with 1-hydroxy ethylidene-1,1-diphosphonic acid（HEDP）Synergy is produced, the corrosion of aluminum alloy surface is reduced, makes the aluminium alloy for washing out that there is certain polishing effect.
A kind of aluminum alloy cleaning agent that the present invention is provided can also be including auxiliary agent polyacrylamide and/or Sodium Polyacrylate, the addition of above auxiliary agent, and can flocculate part harmful metal impurity（Such as calcium, magnesium, aluminium etc.）, it is precipitated out, and can be removed by filtering, the impurity tolerance of cleaning agent is improved, so as to improve the life-span of cleaning agent.
The present invention also provides a kind of preparation method of aluminum alloy cleaning agent, each component of aluminum alloy cleaning agent of the present invention is mixed, stirring and dissolving.
The present invention also provides a kind of aluminium alloy cleaning method, and the method is that base material is cleaned with aluminum alloy cleaning agent of the present invention.
Using aluminium alloy cleaning method of the invention, the cleaning demand higher to corrosivity requirement can be met, it is especially good to aluminium alloy cleaning deoiling effect.
Specific embodiment
Specific embodiment of the invention is described in detail below.It should be appreciated that specific embodiment described herein is merely to illustrate and explain the present invention, it is not intended to limit the invention.
The aluminum alloy cleaning agent that the present invention is provided, contains water, complexing agent, accelerator, surfactant, 1-hydroxy ethylidene-1,1-diphosphonic acid in its component（HEDP）And thiosemicarbazides.The concentration of 1-hydroxy ethylidene-1,1-diphosphonic acid is 0.1-1g/L, and the concentration of thiosemicarbazides is 0.1-0.5g/L；Preferably, the concentration of 1-hydroxy ethylidene-1,1-diphosphonic acid is 0.2-0.6 g/L, and the concentration of thiosemicarbazides is 0.2-0.4g/L；1-hydroxy ethylidene-1,1-diphosphonic acid（HEDP）Can be with the removal of accelerated oxidation layer, while not being corroded with aluminum alloy surface is protected；Thiosemicarbazides can be with 1-hydroxy ethylidene-1,1-diphosphonic acid（HEDP）Synergy, reduces the corrosion of aluminum alloy surface, the aluminium alloy for washing out is had certain polishing effect.
Complexing agent in the present invention is selected from one or more of sodium citrate, sodium potassium tartrate tetrahydrate, disodium ethylene diamine tetraacetate, and the concentration of complexing agent is 0.1-10g/L.Preferably, complexing agent includes sodium citrate, and the concentration of sodium citrate is 2-7g/L.Sodium citrate can reduce the hardness of water as complexing agent, improve cleaning performance.
Accelerator in the present invention is selected from one or more of sodium metasilicate, sodium carbonate, sodium acid carbonate.Preferably, accelerator be sodium carbonate and sodium metasilicate, wherein, the concentration of sodium carbonate and sodium metasilicate is respectively 0.1-1 g/L, it is furthermore preferred that the concentration of sodium carbonate and sodium metasilicate is respectively 0.2-0.7g/L.Sodium carbonate can react as accelerator with grease, improve oil removal efficiency, while having certain removal to act on oxidized aluminum alloy layer.Sodium metasilicate, can be good with the solids in emulsion dispersion aluminum alloy surface and grease, wetting effect used as accelerator, improves oil removal efficiency.
Surfactant in the present invention includes one or more of AEO, lauryl sodium sulfate, neopelex, cocoanut fatty acid diethanolamide.Preferably, surfactant includes AEO and dodecyl sulphate, wherein, the concentration of sodium AEO is 1-2.5g/L, and the concentration of lauryl sodium sulfate is 1-2g/L.
Aluminum alloy cleaning agent of the present invention, further contains auxiliary agent, and the auxiliary agent is one or more in polyacrylamide, Sodium Polyacrylate, and the concentration of auxiliary agent is 0.3-1g/L.Preferably, auxiliary agent is polyacrylamide, and its concentration is 0.4-0.7g/L.Polyacrylamide can increase the life-span of aluminum alloy cleaning agent as auxiliary agent, and by the harmful metal impurities such as flocculation sediment aluminium and grease, reduction is dissolved in the metal ion content in cleaning agent, more than one times of the life-span of raising cleaning agent.
A kind of aluminum alloy cleaning agent that the present invention is provided, can also include emulsifying agent, and concentration is 0.1-1g/L, and preferred scope is 0.2-0.8 g/L.Emulsifying agent can be selected from one or more in sodium phosphate, sodium tripolyphosphate, sodium pyrophosphate, it is preferred that emulsifying agent is sodium phosphate and/or sodium tripolyphosphate, and overall concentration is 0.2-0.8g/L.
The present invention also provides a kind of preparation method of aluminum alloy cleaning agent, is mixed by by any of the above component, and mixing water dissolving is obtained.
The present invention also provides a kind of aluminium alloy cleaning method, and the method is that base material is cleaned with aluminum alloy cleaning agent of the present invention.The temperature of cleaning is 10-90 DEG C, and the time of cleaning is 0.5-10min.Preferably, using ultrasonic assistant.
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, with reference to embodiments, the present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1 ~ 5, comparative example 1 ~ 3：
1st, aluminum alloy cleaning agent is prepared：Composition proportion according to table 1 is configured, and is mixed by the way that various components are weighed, mixing water dissolving, each prepared 1L aluminum alloy cleaning agents.
2nd, by aluminium alloy（The trade mark 6061）Sample is cleaned in being respectively put into each aluminum alloy cleaning agent of step 1 preparation.60 degree of temperature, 1 minute time.
Method of testing：
1st, deoiling effect is estimated, i.e., whether aluminum alloy surface has the globule after range estimation cleaning；
2nd, whether range estimation oxide layer removes；
3rd, whether range estimation aluminum alloy surface has substantially corrosion；
4th, filtering Posterior circle tests service life using each group cleaning agent up to the life-span expires（Wash number can be used in the case where effect is not reduced）, the obvious globule of remained on surface after oil removing（It is slight not include）Then the life-span expire, record wash number be the cleaning agent service life.
Test result is shown in Table 2.
Table 1：
Table 2：
Thus test result is visible：The aluminum alloy cleaning agent that the present invention is provided, due to thiosemicarbazides and the synergy of HEDP, while effectively removing aluminum alloy surface oxide layer, aluminium alloy is not corroded in itself, while reaching excellent chemical polishing effect；Particularly by embodiment 1 and comparative example 3, the cleaning agent corrosivity containing thiosemicarbazides is significant lower.Quick while cleaning agent in embodiment 1-5 can fall the grease above aluminium alloy with Rapid Cleaning to remove oxidized aluminum alloy layer, process conditions are wide in range, can be used under PH neutrallty conditions, and long time treatment aluminium alloy is corrosion-free.In addition, the life-span that the addition profit of the auxiliary agent such as polyacrylamide can improve cleaning agent reaches more than the twice of current industrywide standard.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. should be included within the scope of the present invention.
Claims (12)
1. a kind of aluminum alloy cleaning agent, it is characterised in that the aluminum alloy cleaning agent contains water, complexing agent, accelerator, surfactant, 1-hydroxy ethylidene-1,1-diphosphonic acid and thiosemicarbazides.
2. aluminum alloy cleaning agent according to claim 1, it is characterised in that the concentration of the 1-hydroxy ethylidene-1,1-diphosphonic acid is 0.1-1g/L, and the concentration of the thiosemicarbazides is 0.1-0.5g/L.
3. aluminum alloy cleaning agent according to claim 1, it is characterised in that the complexing agent is one or more in tartaric acid, sodium citrate, disodium ethylene diamine tetraacetate；The concentration of the complexing agent is 0.1-10g/L.
4. aluminum alloy cleaning agent according to claim 1, it is characterised in that the accelerator is one or more in sodium metasilicate, sodium carbonate, sodium acid carbonate.
5. aluminum alloy cleaning agent according to claim 4, it is characterised in that the accelerator is sodium metasilicate and sodium carbonate；The concentration of the sodium metasilicate is 0.1-1g/L, and the concentration of the sodium carbonate is 0.1-1g/L.
6. aluminum alloy cleaning agent according to claim 1, it is characterised in that the surfactant is one or more in AEO, lauryl sodium sulfate, neopelex, cocoanut fatty acid diethanolamide.
7. aluminum alloy cleaning agent according to claim 6, it is characterised in that the surfactant is AEO and lauryl sodium sulfate；The concentration of the AEO is 0.5-3g/L, and the concentration of the lauryl sodium sulfate is respectively 0.5-3g/L.
8. aluminum alloy cleaning agent according to claim 1, it is characterised in that the aluminum alloy cleaning agent contains auxiliary agent, the auxiliary agent is one or more in polyacrylamide, Sodium Polyacrylate；The concentration of the auxiliary agent is 0.3-1g/L.
9. aluminum alloy cleaning agent according to claim 1, it is characterised in that the aluminum alloy cleaning agent contains emulsifying agent, and the concentration of the emulsifying agent is 0.1-1g/L.
10. aluminum alloy cleaning agent according to claim 9, it is characterised in that the emulsifying agent is one or more in sodium phosphate, sodium tripolyphosphate, sodium pyrophosphate.
11. a kind of preparation methods of aluminum alloy cleaning agent, it is characterised in that mix each component of the aluminum alloy cleaning agent described in claim 1-10, stirring and dissolving.
12. a kind of aluminium alloy cleaning methods, it is characterised in that the aluminum alloy cleaning agent described in usage right requirement 1-10 is cleaned to base material.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220977A (en) * | 2018-02-08 | 2018-06-29 | 江南大学 | A kind of rust-proof agent for oil and rust removing and preparation method and application |
| CN108251852A (en) * | 2017-12-28 | 2018-07-06 | 江苏乐彩印刷材料有限公司 | A kind of CTP plates deashing agent |
| CN108315744A (en) * | 2018-02-08 | 2018-07-24 | 江南大学 | A kind of oil-removing rust-removing agent and the preparation method and application thereof |
| CN108950643A (en) * | 2018-08-07 | 2018-12-07 | 广东山之风环保科技有限公司 | A kind of alkalinity aluminium anode oxide film removing agent and its configuration method and application method |
| CN109735854A (en) * | 2019-01-28 | 2019-05-10 | 安徽唯楚新材料有限公司 | A kind of environment-friendlyaluminium aluminium board cleaning agent and its cleaning method |
| CN109811353A (en) * | 2019-04-02 | 2019-05-28 | 广州市帝东环保科技有限公司 | A kind of environmental protection aluminum alloy surface treatment fluid and preparation method thereof |
| CN110512220A (en) * | 2018-05-21 | 2019-11-29 | 上海安谱实验科技股份有限公司 | A kind of thermal desorption stainless steel pipe detergent and its cleaning method |
| CN112522036A (en) * | 2020-12-10 | 2021-03-19 | 深圳市恒纬祥科技有限公司 | Die-casting aluminum release agent cleaning agent |
| CN115044415A (en) * | 2022-06-20 | 2022-09-13 | 河南佰利联新材料有限公司 | Cleaning agent for titanium tetrachloride preheater coil pipe and preparation method and application thereof |
| CN115354341A (en) * | 2022-08-25 | 2022-11-18 | 广州市钫立新材料科技有限公司 | Mildew spot cleaning agent, preparation method of mildew spot cleaning agent and cleaning method of alloy |
| CN116083917A (en) * | 2023-02-23 | 2023-05-09 | 深圳美荣达技术有限公司 | Acidic cleaning agent, preparation method and cleaning method |
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Cited By (12)
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| CN108251852A (en) * | 2017-12-28 | 2018-07-06 | 江苏乐彩印刷材料有限公司 | A kind of CTP plates deashing agent |
| CN108220977A (en) * | 2018-02-08 | 2018-06-29 | 江南大学 | A kind of rust-proof agent for oil and rust removing and preparation method and application |
| CN108315744A (en) * | 2018-02-08 | 2018-07-24 | 江南大学 | A kind of oil-removing rust-removing agent and the preparation method and application thereof |
| CN110512220A (en) * | 2018-05-21 | 2019-11-29 | 上海安谱实验科技股份有限公司 | A kind of thermal desorption stainless steel pipe detergent and its cleaning method |
| CN108950643A (en) * | 2018-08-07 | 2018-12-07 | 广东山之风环保科技有限公司 | A kind of alkalinity aluminium anode oxide film removing agent and its configuration method and application method |
| CN109735854A (en) * | 2019-01-28 | 2019-05-10 | 安徽唯楚新材料有限公司 | A kind of environment-friendlyaluminium aluminium board cleaning agent and its cleaning method |
| CN109811353A (en) * | 2019-04-02 | 2019-05-28 | 广州市帝东环保科技有限公司 | A kind of environmental protection aluminum alloy surface treatment fluid and preparation method thereof |
| CN112522036A (en) * | 2020-12-10 | 2021-03-19 | 深圳市恒纬祥科技有限公司 | Die-casting aluminum release agent cleaning agent |
| CN115044415A (en) * | 2022-06-20 | 2022-09-13 | 河南佰利联新材料有限公司 | Cleaning agent for titanium tetrachloride preheater coil pipe and preparation method and application thereof |
| CN115354341A (en) * | 2022-08-25 | 2022-11-18 | 广州市钫立新材料科技有限公司 | Mildew spot cleaning agent, preparation method of mildew spot cleaning agent and cleaning method of alloy |
| CN116083917A (en) * | 2023-02-23 | 2023-05-09 | 深圳美荣达技术有限公司 | Acidic cleaning agent, preparation method and cleaning method |
| CN116083917B (en) * | 2023-02-23 | 2024-04-05 | 深圳美荣达技术有限公司 | Acidic cleaning agent, preparation method and cleaning method |
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