CN106894029B - 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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- CN106894029B CN106894029B CN201510951674.4A CN201510951674A CN106894029B CN 106894029 B CN106894029 B CN 106894029B CN 201510951674 A CN201510951674 A CN 201510951674A CN 106894029 B CN106894029 B CN 106894029B
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- aluminum alloy
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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
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
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, which contains: water, complexing agent, promotor, surfactant, 1-hydroxy ethylidene-1,1-diphosphonic acid and thiosemicarbazides.Not only constituent content is low for aluminum alloy cleaning agent provided by the invention, oil removing degreasing while, and can sufficiently remove the oxide layer of aluminium alloy without corroding substrate itself, there is excellent cleaning effect.
Description
Technical field
The present invention relates to formula and its production sides of a kind of metal cleaning technique more particularly to a kind of aluminum alloy cleaning agent
Method and aluminium alloy cleaning method.
Background technique
In aluminium and Al-alloy products process, cleaning by degreasing technique is important quality control procedures, processing effect
Fruit directly affects the treatment effect and product quality of subsequent technique.It is to continue to use steel in early days about the cleaning by degreasing of aluminium and aluminium alloy
The oil removing process of iron.The technique tank liquor is at high cost, is not easy to clean, and seriously corroded.Since the 80's of 20th century, people are adopted
With acid degreasing agent degreasing at room temperature.Contain nitric acid, hydrofluoric acid, fluoride and chromate in this technique tank liquor, is producing
The toxic pollutants such as a large amount of nitrogen oxides, hydrogen fluoride, chromate are generated in the process, to the sustainable development of workers ' health and society
Exhibition causes serious influence.
With the development of Modern aluminum alloys defatting technology, both at home and abroad to the requirement of degreasing agent towards efficient, low energy consumption, technique
Simply, direction securely and reliably, environmentally protective is developed.Therefore, exploitation is with water generation oil, the saving energy, safe and reliable, reduction
Pollution, easy to operate and water base degreasing agent the features such as reduce cost and degreasing process have become current research hotspot.
Summary of the invention
To solve the above problems, containing water, complexing agent, rush in component the present invention provides a kind of aluminum alloy cleaning agent
Into agent, surfactant, 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP) and thiosemicarbazides.The cleaning agent is alkalescent between neutral, respectively
The dosage of component is low, there is resource-effective property；Also while can effectively realize oil removing degreasing, and it can sufficiently remove aluminum alloy surface
Oxide layer without corrode substrate itself.
It is added with 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP) in aluminum alloy cleaning agent provided by the invention, it can be with accelerated oxidation layer
Removal, while aluminum alloy surface being protected not to be corroded；Thiosemicarbazides can generate with 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP) and cooperate with work
With, reduce the corrosion of aluminum alloy surface, make the aluminium alloy washed out have certain polishing effect.
A kind of aluminum alloy cleaning agent provided by the invention can also include auxiliary agent polyacrylamide and/or Sodium Polyacrylate,
The addition of the above auxiliary agent, can flocculate part harmful metal impurity (such as calcium, magnesium, aluminium etc.) out, be precipitated out, and can lead to
Filtering removal, improves the impurity tolerance of cleaning agent, to improve the service life of cleaning agent.
The present invention also provides a kind of preparation methods of aluminum alloy cleaning agent, by each of aluminum alloy cleaning agent of the present invention
Component mixes, stirring and dissolving.
The present invention also provides a kind of aluminium alloy cleaning method, this method is with aluminum alloy cleaning agent of the present invention to base
Material is cleaned.
Using aluminium alloy cleaning method of the invention, the cleaning demand more demanding to corrosivity can satisfy, aluminium is closed
Gold cleaning deoiling effect is especially good.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Aluminum alloy cleaning agent provided by the invention contains water, complexing agent, promotor, surfactant, hydroxyl in component
Ethylene-diphosphonic acid (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；Amino
Thiocarbamide can act synergistically with 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP), reduce the corrosion of aluminum alloy surface, make the aluminium alloy washed out
With certain polishing effect.
Complexing agent in the present invention is selected from the one or more of sodium citrate, sodium potassium tartrate tetrahydrate, disodium ethylene diamine tetraacetate,
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.Lemon
Sour sodium can reduce the hardness of water as complexing agent, improve cleaning effect.
Promotor in the present invention is selected from the one or more of sodium metasilicate, sodium carbonate, sodium bicarbonate.Preferably, promotor
For 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 sodium carbonate and silicon
The concentration of sour sodium is respectively 0.2-0.7g/L.Sodium carbonate can react as promotor with grease, improve oil removal efficiency, together
When there is certain removal to act on oxidized aluminum alloy layer.Sodium metasilicate, can be in emulsion dispersion aluminum alloy surface as promotor
Solids and grease, wetting effect is good, improves oil removal efficiency.
Surfactant in the present invention includes fatty alcohol polyoxyethylene ether, lauryl sodium sulfate, detergent alkylate sulphur
The one or more of sour sodium, cocoanut fatty acid diethanolamide.Preferably, surfactant includes fatty alcohol polyoxyethylene ether
And dodecyl sulphate, wherein the concentration of sodium fatty alcohol polyoxyethylene ether 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 polyacrylamide, polyacrylic acid
One or more of sodium, the concentration of auxiliary agent are 0.3-1g/L.Preferably, auxiliary agent is polyacrylamide, concentration 0.4-
0.7g/L.Polyacrylamide can increase the service life of aluminum alloy cleaning agent as auxiliary agent, pass through the poisonous metals such as flocculation sedimentation aluminium
Impurity and grease reduce the metal ion content being dissolved in cleaning agent, improve one times of service life of cleaning agent or more.
A kind of aluminum alloy cleaning agent provided by the invention can also include emulsifier, concentration 0.1-1g/L, preferred scope
For 0.2-0.8 g/L.Emulsifier can be selected from one or more of sodium phosphate, sodium tripolyphosphate, sodium pyrophosphate, it is preferred that
Emulsifier 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 methods of aluminum alloy cleaning agent, by the way that the above various components are mixed,
Mixing water dissolution is made.
The present invention also provides a kind of aluminium alloy cleaning method, this method is with aluminum alloy cleaning agent of the present invention to base
Material is cleaned.The temperature of cleaning is 10-90 DEG C, and the time of cleaning is 0.5-10min.Preferably, it is assisted using ultrasonic wave.
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
Embodiment 1 ~ 5, comparative example 1 ~ 3:
1, it prepares aluminum alloy cleaning agent: being configured according to the composition proportion of table 1, by the way that the weighing of various components is blended in one
It rises, mixing water dissolution, each obtained 1L aluminum alloy cleaning agent.
2, aluminium alloy (trade mark 6061) sample is respectively put into each aluminum alloy cleaning agent of step 1 preparation and is cleaned.
60 degree of temperature, the time 1 minute.
Test method:
1, deoiling effect is estimated, i.e., whether aluminum alloy surface has droplet after range estimation cleaning；
2, whether range estimation oxide layer removes；
3, whether range estimation aluminum alloy surface has obvious corrosion；
4, each group cleaning agent is recycled after filtering until the service life expires to test service life (in the feelings that effect does not reduce
Wash number can be used under condition), when oil removing rear surface remains obvious droplet (slightly not counting), then the service life expires, and record wash number is
For the cleaning agent service life.
Test result is shown in Table 2.
Table 1:
Table 2:
Thus test result is visible: aluminum alloy cleaning agent provided by the invention, since the collaboration of thiosemicarbazides and HEDP are made
With while effectively removing aluminum alloy surface oxide layer, not corroding aluminium alloy itself, while reaching excellent chemical polishing effect
Fruit；Especially by embodiment 1 and comparative example 3, the cleaning agent corrosivity containing thiosemicarbazides is significant lower.In embodiment 1-5
Cleaning agent quickly removes oxidized aluminum alloy layer while can falling the grease above aluminium alloy with Rapid Cleaning, and process conditions are wide in range,
It can be used under PH neutrallty condition, long time treatment aluminium alloy is corrosion-free.In addition, the addition benefit of the auxiliary agents such as polyacrylamide can be with
The service life for improving cleaning agent reaches twice or more of current industrywide standard.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of aluminum alloy cleaning agent, which is characterized in that the aluminum alloy cleaning agent contains water, complexing agent, promotor, surface work
Property agent, 1-hydroxy ethylidene-1,1-diphosphonic acid and thiosemicarbazides；
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；The network
The concentration of mixture is 0.1-10g/L；The promotor is sodium metasilicate and sodium carbonate, and the concentration of the sodium metasilicate is 0.1-1g/L,
The concentration of the sodium carbonate is 0.1-1g/L；The surfactant be fatty alcohol polyoxyethylene ether and lauryl sodium sulfate,
The concentration of the fatty alcohol polyoxyethylene ether is 0.5-3g/L, and the concentration of the lauryl sodium sulfate is respectively 0.5-3g/L.
2. aluminum alloy cleaning agent according to claim 1, which is characterized in that the complexing agent be tartaric acid, sodium citrate,
One or more of disodium ethylene diamine tetraacetate.
3. aluminum alloy cleaning agent according to claim 1, which is characterized in that the aluminum alloy cleaning agent contains auxiliary agent, institute
Stating auxiliary agent is one or more of polyacrylamide, Sodium Polyacrylate；The concentration of the auxiliary agent is 0.3-1g/L.
4. aluminum alloy cleaning agent according to claim 1, which is characterized in that the aluminum alloy cleaning agent contains emulsifier,
The concentration of the emulsifier is 0.1-1g/L.
5. aluminum alloy cleaning agent according to claim 4, which is characterized in that the emulsifier is sodium phosphate, tripolyphosphate
One or more of sodium, sodium pyrophosphate.
6. a kind of preparation method of aluminum alloy cleaning agent, which is characterized in that by aluminium alloy described in claim 1-5 any one
The each component of cleaning agent mixes, stirring and dissolving.
7. a kind of aluminium alloy cleaning method, which is characterized in that use aluminum alloy cleaning agent described in claim 1-5 any one
Substrate is cleaned.
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| CN201510951674.4A CN106894029B (en) | 2015-12-18 | 2015-12-18 | A kind of aluminum alloy cleaning agent and preparation method thereof and aluminium alloy cleaning method |
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| CN201510951674.4A CN106894029B (en) | 2015-12-18 | 2015-12-18 | A kind of aluminum alloy cleaning agent and preparation method thereof and aluminium alloy cleaning method |
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| CN106894029A CN106894029A (en) | 2017-06-27 |
| CN106894029B true CN106894029B (en) | 2019-11-05 |
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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 |
| CN108315744B (en) * | 2018-02-08 | 2020-04-21 | 江南大学 | Oil and rust removing agent and preparation method and application thereof |
| CN108220977B (en) * | 2018-02-08 | 2020-07-03 | 江南大学 | Oil-removing rust inhibitor and 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 |
| CN108950643B (en) * | 2018-08-07 | 2020-09-22 | 广东山之风环保科技有限公司 | Alkaline aluminum anodic oxide film remover and preparation method and use method thereof |
| 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 |
| CN109811353B (en) * | 2019-04-02 | 2021-02-12 | 广州市帝东环保科技有限公司 | Environment-friendly aluminum alloy surface treatment liquid 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 |
| 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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| CN102108322A (en) * | 2009-12-24 | 2011-06-29 | 北京洛娃日化有限公司 | Detergent |
| CN105088251A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Corrosion inhibitor composition, applications thereof, and method using same to carry out pickling on equipment |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108322A (en) * | 2009-12-24 | 2011-06-29 | 北京洛娃日化有限公司 | Detergent |
| CN105088251A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Corrosion inhibitor composition, applications thereof, and method using same to carry out pickling on equipment |
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