CN109972152A - Aluminium alloy highlight surface degreaser and its deoiling method - Google Patents

Aluminium alloy highlight surface degreaser and its deoiling method Download PDF

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Publication number
CN109972152A
CN109972152A CN201910310570.3A CN201910310570A CN109972152A CN 109972152 A CN109972152 A CN 109972152A CN 201910310570 A CN201910310570 A CN 201910310570A CN 109972152 A CN109972152 A CN 109972152A
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CN
China
Prior art keywords
degreaser
aluminium alloy
highlight
deoiling
emulsifier
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
Application number
CN201910310570.3A
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Chinese (zh)
Inventor
熊伟
孙道明
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Anhui Hua Huaixin Material Co Ltd
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Anhui Hua Huaixin Material Co Ltd
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Priority to CN201910310570.3A priority Critical patent/CN109972152A/en
Publication of CN109972152A publication Critical patent/CN109972152A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/04Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/12Light metals
    • C23G1/125Light metals aluminium

Abstract

The present invention provides a kind of aluminium alloy highlight surface degreaser and its deoiling methods, the degreaser includes each component of following concentration: 10~20g/L of sodium carbonate, 1~5g/L of triethanolamine, 0.5~2g/L of neopelex, 3~10ml/L of isopropanol, 2~8g/L of emulsifier, 1~2g/L of gum arabic, 1~5g/L of citric acid, surplus are water.Degreaser provided by the invention have it is following the utility model has the advantages that 1, to highlight surface or turning cut milling etc. heavy oil workpiece except speed oil it is fast;2, this formula to highlight surface or turning cut milling surface it is corrosion-free, be able to maintain highlight surface degree;3, this formula belongs to environmentally friendly degreasing degreasing formula, not phosphorous to wait pollutants.

Description

Aluminium alloy highlight surface degreaser and its deoiling method
Technical field
The present invention relates to a kind of aluminum alloy surface processing degreaser and its deoiling methods, more particularly, to aluminium alloy highlight surface Or the oil removing on milling surface is cut in turning, belongs to technical field of aluminum alloy surface treatment.
Background technique
Aluminium alloy generally can be divided into acid deoiling, alkaline degreasing and neutral degreaser except oil formula, in acid deoiling formula often Containing strong acid, some anion of alkaline degreasing are easier to cause spot corrosion.When needing that aluminium alloy highlight surface or turning is kept to cut milling When surfacing and high brightness, then it must use efficiently and milling degreaser of the lustrous surface without influence is cut on highlight surface or turning. In addition, being usually used in the strong acid of degreaser and phosphate has also aggravated the difficulty of wastewater treatment and improved the cost of wastewater treatment.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of aluminium alloy highlight surface degreaser and its oil removings Method.The formula not phosphate-containing and strong acid are able to maintain the gloss of highlight surface except speed oil is fast.The present invention passes through each component Synergistic effect, can be improved grease emulsifying efficiency, provides long-acting deoiling effect, equally measure the treating capacity that can be doubled.
The purpose of the present invention is what is be achieved through the following technical solutions:
The present invention provides a kind of aluminium alloy highlight surface degreaser, each component including following concentration: sodium carbonate 10~ 20g/L, 1~5g/L of triethanolamine, 0.5~2g/L of neopelex, 3~10ml/L of isopropanol, 2~8g/ of emulsifier L, 1~2g/L of gum arabic, 1~5g/L of citric acid, surplus are water.
Preferably, each component including following concentration: 10~15g/L of sodium carbonate, 1~3g/L of triethanolamine, dodecyl 1~1.5g/L of benzene sulfonic acid sodium salt, 5~8ml/L of isopropanol, 2~5g/L of emulsifier, 1~1.5g/L of gum arabic, citric acid 1~ 3g/L, surplus are water.
Preferably, the emulsifier is OP-10 emulsifier.
Preferably, the pH value of the degreaser is 8~10.
The present invention also provides a kind of aluminium alloy highlight surface deoiling method based on aforementioned degreaser, comprising the following steps:
It is immersed in degreaser after being hung on aluminium alloy to be processed, removal surface residual attachment in neutralizer is immersed after washing Object, then carry out anodized.
Preferably, the temperature of the degreaser is 40~50 DEG C, and pH value is 8~10;The aluminium alloy to be processed is in oil removing Soaking time in agent is 2~15min.When the temperature is excessively high, it is too fast to will lead to aluminum alloy surface erosion rate for the degreaser, Destroy material surface quality;When temperature is too low, degreaser activity deficiency will lead to, deoiling effect is poor, and scavenging period is long.
Preferably, the neutralizer is nitric acid solution, and concentration of nitric acid is mass fraction 10%~20%;The aluminium to be processed Soaking conditions of the alloy in neutralizer are as follows: impregnating under room temperature is 10~120s.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the oil formula that removes of the invention cuts the heavy oil workpiece such as milling except speed oil is fast to highlight surface or turning;
2, of the invention except oil formula to cut milling surface to highlight surface or turning corrosion-free, is able to maintain highlight surface degree;
3, the oil formula that removes of the invention belongs to environmentally friendly degreasing degreasing formula, not phosphorous equal pollutants.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is before the oil removing that aluminium alloy is handled using degreaser of the invention and after oil removing to contrasting.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention Protection scope.
Embodiment 1
A kind of aluminium alloy highlight surface degreaser, composition includes: sodium carbonate 12g/L, triethanolamine 2g/L, detergent alkylate Sodium sulfonate 1g/L, isopropanol 5ml/L, OP-10 emulsifier 4g/L, gum arabic 1.5g/L, citric acid 3g/L, surplus is water.
Wherein sodium carbonate has stronger emulsification, provides mild alkaline conditions for degreaser;Triethanolamine is as surface Activating agent and complexing agent can avoid spot corrosion of the heavy metal ion to aluminium alloy;Neopelex is soluble easily in water, to alkali It is insensitive with hard water, have the function of decontamination and emulsification;Isopropanol accelerates degreasing as cleaning degreaser;OP-10 emulsifier is A kind of nonionic surfactant, degreasing power is strong, plays the role of wet and emulsifies aluminum alloy surface;Gum arabic is one Kind high molecular polysaccharide and its calcium, magnesium and sylvite, are extraordinary natural oil-in-water type emulsion stabilizers, can effectively close aluminium The grease of gold surface desorption, which is stablized, forms non-adsorbable emulsion, enhances deoiling effect, while being also aluminium alloy in alkaline environment Under good corrosion inhibiter;The effect of citric acid is to adjust solution pH value and the ability with complexation heavy metal ion.The present invention By the synergistic effect of each component, grease emulsifying efficiency is can be improved in more traditional formula, provides long-acting deoiling effect, same to measure The treating capacity that can be doubled.
For the present embodiment using the highlight surface aluminum component of secondary oxidation as experimental subjects, aluminum component immerses removing for the present embodiment after upper extension In finish, solution temperature is 45 DEG C, pH value 9.5, dip time 3min.Neutralization chamber is immersed after aluminum component degreasing degreasing (containing quality point Dissipate the nitric acid solution for 10%), soak at room temperature 10s, the remnants for removing high finish surface are dirty, and anodic oxidation work is entered after washing Sequence.Treated, and aluminum component highlight surface is corrosion-free, keeps lustrous surface, no greasy dirt (Fig. 1).
Embodiment 2
A kind of aluminium alloy highlight surface degreaser, composition includes: sodium carbonate 15g/L, triethanolamine 1g/L, detergent alkylate Sodium sulfonate 1.5g/L, isopropanol 6ml/L, OP-10 emulsifier 5g/L, gum arabic 1.2g/L, citric acid 2g/L, surplus are Water.
The present embodiment is using the aluminum component by turnery processing as experimental subjects, and degreaser temperature is 40 DEG C, pH value 10, when dipping Between 2min.Neutralization chamber (nitric acid solution for being 20% containing mass-dispersion), soak at room temperature 60s, removal are immersed after aluminum component degreasing degreasing The remnants of high finish surface are dirty, and anodic oxidation process is entered after washing.Treated, and aluminum component highlight surface is corrosion-free, keeps surface light Pool, for surface moisture film continuously and without droplet, deoiling effect is good.
Embodiment 3
A kind of aluminium alloy highlight surface degreaser, composition includes: sodium carbonate 10g/L, triethanolamine 3g/L, detergent alkylate Sodium sulfonate 1.5g/L, isopropanol 8ml/L, OP-10 emulsifier 2g/L, gum arabic 1g/L, citric acid 1g/L, surplus is water.
The present embodiment is using the aluminum component by turnery processing as experimental subjects, and degreaser temperature is 50 DEG C, pH value 8.0, dipping Time 15min.Neutralization chamber (nitric acid solution for being 15% containing mass-dispersion) is immersed after aluminum component degreasing degreasing, soak at room temperature 30s is gone Except the remnants of high finish surface are dirty, anodic oxidation process is entered after washing.Treated, and aluminum component highlight surface is corrosion-free, keeps surface Gloss, aluminum alloy surface do not hang droplet, and oily waste degradation is clean.
Embodiment 4
A kind of aluminium alloy highlight surface degreaser, composition includes: sodium carbonate 10g/L, triethanolamine 5g/L, detergent alkylate Sodium sulfonate 0.5g/L, isopropanol 3ml/L, OP-10 emulsifier 8g/L, gum arabic 2g/L, citric acid 5g/L, surplus is water.
Oil removal treatment is carried out to aluminum component using the method for embodiment 1, wherein degreaser is the present embodiment preparation, pH value 9. Treated, and aluminum component highlight surface is corrosion-free, and lustrous surface keeps good, no greasy dirt.
Embodiment 5
A kind of aluminium alloy highlight surface degreaser, composition includes: sodium carbonate 20g/L, triethanolamine 4g/L, detergent alkylate Sodium sulfonate 2g/L, isopropanol 5ml/L, OP-10 emulsifier 4g/L, gum arabic 1.8g/L, citric acid 4g/L, surplus is water.
Oil removal treatment is carried out to aluminum component using the identical method of embodiment 1, wherein degreaser is the present embodiment preparation, pH value It is 9.Treated, and aluminum component highlight surface is corrosion-free, and lustrous surface forms continuous moisture film without significant change, and no extension water ties complexity Structure treatment effect is obvious.
Comparative example 1
A kind of aluminium alloy highlight surface degreaser, essentially identical with the component of embodiment 1, the processing time is also identical, difference Place is only that: this comparative example replaces gum arabic using carragheen.
Oil removal treatment is carried out to aluminum component using the identical method of embodiment 1.Solution viscosity is high, and degreaser is made to be adhered to aluminium Part surface, it is difficult to clean, and the decline of treated aluminium workpiece surface glossiness, have oil mark point in complicated internal cavity region.
Comparative example 2
A kind of aluminium alloy highlight surface degreaser, it is essentially identical with the component of embodiment 1, it the difference is that only: this comparison Example does not add gum arabic.
Oil removal treatment is carried out to aluminum component using the identical method of embodiment 1, the processing time is also identical.Treated aluminum component table There is spot corrosion in face, seriously affects appearance.
Comparative example 3
A kind of aluminium alloy highlight surface degreaser, it is essentially identical with the component of embodiment 1, it the difference is that only: this comparison In example, the concentration of gum arabic is 4g/L.
Oil removal treatment is carried out to aluminum component using the identical method of embodiment 1.Treatment effect and embodiment 1 quite, but need Thoroughly cleaned in washing step after oil removing, prevent aluminium workpiece surface from having degreaser adherency, otherwise influence after process, and increase Ah The gummy dosage of uncle is drawn to improve the cost of degreaser.
Comparative example 4
A kind of aluminium alloy highlight surface degreaser, it is essentially identical with the component of embodiment 4, it the difference is that only: this comparison In example, the concentration of sodium carbonate is 5g/L, and the concentration of OP-10 emulsifier is 13g/L.
Oil removal treatment is carried out to aluminum component using the identical method of embodiment 1.Treated, and aluminium workpiece surface is bright, oily waste degradation Completely, but emulsifier concentration is excessively high, causes washing difficult.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention.More than it should be pointed out that Embodiment is merely to illustrate the present invention, and the protection scope being not intended to restrict the invention.For the common skill of the art For art personnel, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as this hair Bright protection scope.

Claims (7)

1. a kind of aluminium alloy highlight surface degreaser, which is characterized in that each component including following concentration: 10~20g/L of sodium carbonate, 1~5g/L of triethanolamine, 0.5~2g/L of neopelex, 3~10ml/L of isopropanol, 2~8g/L of emulsifier, I Uncle 1~2g/L of natural gum, 1~5g/L of citric acid, surplus is water.
2. aluminium alloy highlight surface degreaser as described in claim 1, which is characterized in that each component including following concentration: carbon Sour 10~15g/L of sodium, 1~3g/L of triethanolamine, 1~1.5g/L of neopelex, 5~8ml/L of isopropanol, emulsifier 2~5g/L, 1~1.5g/L of gum arabic, 1~3g/L of citric acid, surplus are water.
3. aluminium alloy highlight surface degreaser according to claim 1 or 2, which is characterized in that the emulsifier is OP-10 cream Agent.
4. aluminium alloy highlight surface degreaser according to claim 1 or 2, which is characterized in that the pH value of the degreaser is 8-10。
5. a kind of based on the aluminium alloy highlight surface deoiling method for removing fluid composition described in claim any one of 1-4, feature exists In, comprising the following steps:
It is immersed in degreaser after being hung on aluminium alloy to be processed, is immersed after washing and remove surface residual attachment in neutralizer, then Carry out anodized.
6. aluminium alloy highlight surface deoiling method according to claim 5, which is characterized in that the temperature of the degreaser is 40 ~50 DEG C, pH value is 8~10;Soaking time of the aluminium alloy to be processed in degreaser is 2~15min.
7. aluminium alloy highlight surface deoiling method according to claim 5, which is characterized in that the neutralizer is that nitric acid is molten Liquid, concentration of nitric acid are mass fraction 10%~20%;Soaking conditions of the aluminium alloy to be processed in neutralizer are as follows: under room temperature Impregnating is 10~120s.
CN201910310570.3A 2019-04-17 2019-04-17 Aluminium alloy highlight surface degreaser and its deoiling method Pending CN109972152A (en)

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Citations (5)

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CN102787322A (en) * 2012-08-07 2012-11-21 重庆万力联兴实业(集团)有限公司 Aluminium alloy surface alkaline degreasing agent
CN103590059A (en) * 2013-11-12 2014-02-19 东莞市安美润滑科技有限公司 Water-based cleaning agent for aluminum alloy part
CN106367764A (en) * 2016-10-13 2017-02-01 武汉杰生润滑科技有限公司 Water-based detergent for aluminum alloy
CN107022766A (en) * 2016-01-29 2017-08-08 比亚迪股份有限公司 The method of metal surface cleaning agent, preparation method and cleaning metal surface
CN108070872A (en) * 2017-11-30 2018-05-25 微普安全科技(徐州)股份有限公司 A kind of Phosphorus-Free Water-Based Cleaning Agent for Metals

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102787322A (en) * 2012-08-07 2012-11-21 重庆万力联兴实业(集团)有限公司 Aluminium alloy surface alkaline degreasing agent
CN103590059A (en) * 2013-11-12 2014-02-19 东莞市安美润滑科技有限公司 Water-based cleaning agent for aluminum alloy part
CN107022766A (en) * 2016-01-29 2017-08-08 比亚迪股份有限公司 The method of metal surface cleaning agent, preparation method and cleaning metal surface
CN106367764A (en) * 2016-10-13 2017-02-01 武汉杰生润滑科技有限公司 Water-based detergent for aluminum alloy
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