CN104498967A - Multifunctional aluminum material corrosion-inhibition polishing pickling agent - Google Patents

Multifunctional aluminum material corrosion-inhibition polishing pickling agent Download PDF

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Publication number
CN104498967A
CN104498967A CN201410850058.5A CN201410850058A CN104498967A CN 104498967 A CN104498967 A CN 104498967A CN 201410850058 A CN201410850058 A CN 201410850058A CN 104498967 A CN104498967 A CN 104498967A
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China
Prior art keywords
parts
inhibition
acid
pickling agent
polishing
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CN201410850058.5A
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Chinese (zh)
Inventor
景欣欣
苏丽敏
陈珍珍
杜威劲
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SUZHOU HECHUAN CHEMICAL TECHNOLOGY SERVICE Co Ltd
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SUZHOU HECHUAN CHEMICAL TECHNOLOGY SERVICE Co Ltd
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Priority to CN201410850058.5A priority Critical patent/CN104498967A/en
Publication of CN104498967A publication Critical patent/CN104498967A/en
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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
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00—Brightening metals by chemical means
    • C23F3/02—Light metals
    • C23F3/03—Light metals with acidic solutions
    • 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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  • Chemical & Material Sciences (AREA)
  • 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

The invention discloses a multifunctional aluminum material corrosion-inhibition polishing pickling agent. The multifunctional aluminum material corrosion-inhibition polishing pickling agent is prepared from the following components in parts by weight: 70-85 parts of inorganic acid, 3-8 parts of a compound organic corrosion inhibitor, 1-2 parts of an inorganic corrosion inhibitor, 2-4 parts of a surfactant, 1-3 parts of a complexing agent, 0.05-0.3 part of micro high-valent metal ion salt and 5-15 parts of a solvent. The multifunctional aluminum material corrosion-inhibition polishing pickling agent disclosed by the invention can be used for quickly and efficiently cleaning the surface of the aluminum material to achieve effects of removing oil, scrubbing, polishing, passivating and the like, thereby avoiding resource waste caused by an over corrosion phenomenon; after being pickled, the aluminum material can be restored to be bright and clean, so that the aluminum material is almost not corroded.

Description

A kind of Multifunction aluminum inhibition polishing pickling agent
Technical field
The present invention relates to Aluminum-aluminum alloy chemical, be specifically related to a kind of Multifunction aluminum inhibition polishing pickling agent.
Background technology
Aluminium because of and special performance: quality is light, and heat conduction, conductivity are good, and intensity is large, in every profession and trade, especially in building, construction industry and electric works etc., has widespread use.And in some Application Areas, instead of traditional iron.According to specific demand, suitably add the aluminium alloy that other preparation of metals become, can improve a certain property of aluminium, becoming aluminium can in the prerequisite of designated field application.
In order to improve aluminium table performance or process further, this link of cleaning in aluminium treating processes, usually can be run into.On the market, common is alkaline cleaner and acidic cleaner.Acidic cleaner, because its cleaning speed is fast, can increases work efficiency and be favored.But the Nature comparison of aluminium is active, and the aluminium because of corrosion loss in acid cleaning process is many; Meanwhile, acidity or the improper meeting of other controlling factors cause material surface to turn black, and even the phenomenon such as corrosion is also comparatively common.Therefore, require also higher to each side of aluminium pickling agent.
Summary of the invention
For solving above deficiency, the invention discloses a kind of Multifunction aluminum inhibition polishing pickling agent, this pickling agent not only can Rapid Cleaning aluminium, can also base material be kept after cleaning corrosion-free, surface-brightening.
To achieve these goals, the present invention adopts following technical scheme:
A kind of Multifunction aluminum inhibition polishing pickling agent, comprises following component: mineral acid 70-85 part, composite organic inhibitor 3-8 part by weight percentage, inorganic inhibitor 1-2 part, tensio-active agent 2-4 part, complexing agent 1-3 part, trace high volence metal ion salt 0.05-0.3 part, solvent 5-15 part.
Wherein, described Multifunction aluminum inhibition polishing pickling agent comprises following component by weight percentage: mineral acid 79 parts, compound corrosion inhibitor 5 parts, inorganic inhibitor 1.5 parts, complexing agent 2 parts, 2 parts, tensio-active agent, trace high volence metal ion salt 0.05 part, solvent 10.45 parts.
Wherein, described Multifunction aluminum inhibition polishing pickling agent comprises following component by weight percentage: mineral acid 78 parts, compound corrosion inhibitor 5 parts, inorganic inhibitor 1.2 parts, complexing agent 3 parts, 2 parts, tensio-active agent, trace high volence metal ion salt 0.07 part, solvent 10.73 parts.
Wherein, described Multifunction aluminum inhibition polishing pickling agent comprises following component by weight percentage: mineral acid 83 parts, compound corrosion inhibitor 6 parts, inorganic inhibitor 1.7 parts, complexing agent 1 part, 2 parts, tensio-active agent, trace high volence metal ion salt 0.15 part, solvent 6.15 parts.
Wherein, described mineral acid is one or more in phosphoric acid, sulfuric acid, hydrofluoric acid, hydrochloric acid, nitric acid.
Wherein, described compound corrosion inhibitor is at least two kinds in 2-mercaptobenzothiazole, 2-hydroxybenzothiazole, 2-methylbenzothiazole, 2-benzothiazolyl mercaptan, 4-methyl-2-hydrazinobenzothiazole, 2-aminobenzothiazole, 2-hydrazinobenzothiazole, 2-mercaptobenzimidazole, 2-aminobenzimidazole, 2-(2-pyridyl) benzoglyoxaline, 2-aminomethyl benzimidazole, 2-hydroxybenzimidazole, 2-tolimidazole, benzotriazole, 2-mercaptobenzoxazole, dextrin, benzoic acid derivative, aminomethyl phenyl thiourea derivative.
Wherein, described complexing agent inorganic inhibitor is: one or more in tertiary sodium phosphate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, Sodium orthomolybdate, SODIUMNITRATE, Sodium Nitrite, Starso, sodium tetraborate, sodium wolframate, Sodium Thiocyanate 99, hydrazine hydrate, thiocarbamide.
Wherein, described complexing agent is one or more in ethylenediamine tetraacetic acid (EDTA), ethylenediamine tetraacetic acid (EDTA)-2 sodium, tartrate, citric acid, oxalic acid, sulphosalicylic acid, trolamine, Sunmorl N 60S, tripoly phosphate sodium STPP.
Wherein, described tensio-active agent is one or more in fatty alcohol-polyoxyethylene ether, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, alkylphenol polyoxyethylene, polyethers, polyoxyethylene glycol.
Wherein, described micro-high volence metal ion salt is one or more in aluminium salt, chromic salts, mantoquita, molysite.
Wherein, described solvent is water, and its addition is decided according to the actual requirements.
A kind of Multifunction aluminum inhibition polishing pickling agent is prepared by the following method, comprises the following steps:
1) raw material (weight percent) of following proportioning is prepared: mineral acid 70-85 part, composite organic inhibitor 3-8 part, inorganic inhibitor 1-2 part, tensio-active agent 2-4 part, complexing agent 1-3 part, micro-high volence metal ion salt 0.05-0.3 part, solvent 5-15 part;
After composite organic inhibitor, inorganic inhibitor, complexing agent, tensio-active agent, micro-high volence metal ion salt and water Homogeneous phase mixing, open electric stirring, be stirred well to it and dissolve, be decided to be component A;
2) mineral acid is mixed, open electric stirring, be stirred well to it and mix, be decided to be B component;
3) component A to be added in B component and to be stirred to evenly, obtaining transparent and homogeneous liquid.
Composite organic inhibitor of the present invention is the mixture of at least two kinds in the above-mentioned multiple inhibiter mentioned.By grinding after each inhibiter mixing of specified amount, stir, mix to reach.Compound corrosion inhibitor of the present invention, by synergistic effect each other, reduces corrosion, has good corrosion inhibition to aluminium and alloy pickling thereof, expand the use range of aluminium pickling agent.
Multifunction aluminum inhibition polishing pickling agent of the present invention, can clean aluminium material surface quickly and efficiently, play the effects such as oil removing, scrubbing, light and passivation.The light of aluminium itself can be recovered after cleaning, clean, corrosion-free to aluminium.Be applicable to conventional Aluminum-aluminum alloy, and the material that part is high to cleaning requirement.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read content of the present invention, these equivalent form of values fall within limited range of the present invention equally.
Embodiment 1
A kind of Multifunction aluminum inhibition polishing pickling agent, comprises following preparation of raw material and forms:
Phosphatase 24 9 parts, 28 parts, sulfuric acid, 2 parts, nitric acid, compound corrosion inhibitor (2-mercaptobenzothiazole, 2-hydroxybenzothiazole) 5 parts, sodium wolframate 0.2 part, Starso 1.3 parts, 2 parts, tartrate, fatty alcohol-polyoxyethylene ether-9 (AEO9) 2 parts, cupric sulfate pentahydrate 0.05 part, water surplus, total amount 100 parts;
A kind of Multifunction aluminum inhibition polishing pickling agent, prepare by following steps:
1) by compound corrosion inhibitor 5 parts, 2 parts, tartrate, fatty alcohol-polyoxyethylene ether-92 parts, sodium wolframate 0.2 part, after cupric sulfate pentahydrate 0.05 part and water Homogeneous phase mixing, opens electric stirring, is stirred well to it and dissolves, be decided to be component A;
2) by phosphatase 24 9 parts, 28 parts, sulfuric acid, the mixing of 2 parts, nitric acid, opens electric stirring, is stirred well to it and mixes, be decided to be B component;
3) component A to be added in B component and to be stirred to evenly, obtaining transparent and homogeneous liquid.
By the Multifunction aluminum inhibition polishing pickling agent of said ratio preparation, outward appearance transparent and homogeneous; Good to aluminium corrosion mitigating effect, aluminium can clean up by 10-20min, corrosion-free, and cleaning rear surface light is clean.
Embodiment 2
A kind of Multifunction aluminum inhibition polishing pickling agent, comprises following preparation of raw material and forms:
Phosphoric acid 58 parts, 20 parts, sulfuric acid, compound corrosion inhibitor (2-tolimidazole, benzotriazole) 5 parts, tripoly phosphate sodium STPP 1.2 parts, citric acid 3 parts, 0.07 part, iron(ic) chloride, PEG4002 part, 10.73 parts, water, total amount 100 parts.
A kind of Multifunction aluminum inhibition polishing pickling agent, comprises the following steps:
1) by compound corrosion inhibitor 5 parts, tripoly phosphate sodium STPP 1.2 parts, citric acid 3 parts, PEG4002 part, after 0.07 part, iron(ic) chloride and water Homogeneous phase mixing, opens electric stirring, is stirred well to it and dissolves, be decided to be component A;
2) by phosphoric acid 58 parts, 20 parts, sulfuric acid, opens electric stirring, is stirred well to it and mixes, be decided to be B component;
3) component A to be added in B component and to be stirred to evenly, obtaining transparent and homogeneous liquid.
By the Multifunction aluminum inhibition polishing pickling agent of said ratio preparation, simple to operation, aluminium cleaning speed is fast, can suppress the spot corrosion of aluminium, reduces aluminium loss, makes molten damage amount be reduced to less than 0.4%.
Embodiment 3
A kind of Multifunction aluminum inhibition polishing pickling agent, comprises following preparation of raw material and forms:
Phosphatase 24 2.0 parts, 40 parts, sulfuric acid, 0.5 part, hydrofluoric acid, 0.5 part, nitric acid, compound corrosion inhibitor (2-methylbenzothiazole, 2-benzothiazolyl mercaptan) 6 parts, Sodium orthomolybdate 1.7 parts, Sunmorl N 60S 1 part, polyethers 2 parts, 0.1 part, Tai-Ace S 150, cupric sulfate pentahydrate 0.05 part, 6.15 parts, water, total amount 100 parts.
A kind of aluminium Multifunction aluminum inhibition polishing pickling agent, comprises the following steps:
1) by compound corrosion inhibitor 6 parts, Sunmorl N 60S 1 part, Sodium orthomolybdate 1.7 parts, polyethers 2 parts, 0.1 part, Tai-Ace S 150, cupric sulfate pentahydrate 0.05 part, after water 6 parts of Homogeneous phase mixing, opens electric stirring, is stirred well to it and dissolves, be decided to be component A;
2) by phosphatase 24 2.0 parts, 40 parts, sulfuric acid, 0.5 part, hydrofluoric acid, the mixing of 0.5 part, nitric acid, opens electric stirring, is stirred well to it and mixes, be decided to be B component;
3) component A to be added in B component and to be stirred to evenly, obtaining transparent and homogeneous liquid.
By the Multifunction aluminum inhibition polishing pickling agent of said ratio preparation, the glossiness of energy Quick height aluminium, can reach the effect of approximate electrochemical etching under normal temperature condition, and can fin cutting.After cleaning, aluminium variable color, blackening can be prevented.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, professional and technical personnel in the field realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a Multifunction aluminum inhibition polishing pickling agent, it is characterized in that, described Multifunction aluminum inhibition polishing pickling agent comprises following component by weight percentage: mineral acid 70-85 part, composite organic inhibitor 3-8 part, inorganic inhibitor 1-2 part, tensio-active agent 2-4 part, complexing agent 1-3 part, trace high volence metal ion salt 0.05-0.3 part, solvent 5-15 part.
2. Multifunction aluminum inhibition polishing pickling agent according to claim 1, it is characterized in that, described Multifunction aluminum inhibition polishing pickling agent comprises following component by weight percentage: mineral acid 79 parts, compound corrosion inhibitor 5 parts, inorganic inhibitor 1.5 parts, complexing agent 2 parts, 2 parts, tensio-active agent, trace high volence metal ion salt 0.05 part, solvent 10.45 parts.
3. Multifunction aluminum inhibition polishing pickling agent according to claim 1, it is characterized in that, described Multifunction aluminum inhibition polishing pickling agent comprises following component by weight percentage: mineral acid 83 parts, compound corrosion inhibitor 6 parts, inorganic inhibitor 1.7 parts, complexing agent 1 part, 2 parts, tensio-active agent, trace high volence metal ion salt 0.15 part, solvent 6.15 parts.
4. according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described mineral acid is one or more in phosphoric acid, sulfuric acid, hydrofluoric acid, hydrochloric acid, nitric acid.
5. according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described compound corrosion inhibitor is 2-mercaptobenzothiazole, 2-hydroxybenzothiazole, 2-methylbenzothiazole, 2-benzothiazolyl mercaptan, 4-methyl-2-hydrazinobenzothiazole, 2-aminobenzothiazole, 2-hydrazinobenzothiazole, 2-mercaptobenzimidazole, 2-aminobenzimidazole, 2-(2-pyridyl) benzoglyoxaline, 2-aminomethyl benzimidazole, 2-hydroxybenzimidazole, 2-tolimidazole, benzotriazole, 2-mercaptobenzoxazole, dextrin, benzoic acid derivative, at least two kinds in aminomethyl phenyl thiourea derivative.
6. according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described inorganic inhibitor is: one or more in tertiary sodium phosphate, tripoly phosphate sodium STPP, Sodium hexametaphosphate 99, Sodium orthomolybdate, SODIUMNITRATE, Sodium Nitrite, Starso, sodium tetraborate, sodium wolframate, Sodium Thiocyanate 99, hydrazine hydrate, thiocarbamide.
7. according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described complexing agent is one or more in ethylenediamine tetraacetic acid (EDTA), ethylenediamine tetraacetic acid (EDTA)-2 sodium, tartrate, citric acid, oxalic acid, sulphosalicylic acid, trolamine, Sunmorl N 60S, tripoly phosphate sodium STPP.
8. according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described tensio-active agent is one or more in fatty alcohol-polyoxyethylene ether, aliphatic amine polyoxyethylene ether, polyoxyethylene carboxylate, alkylphenol polyoxyethylene, polyethers, polyoxyethylene glycol.
9. according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described micro-high volence metal ion salt is one or more in aluminium salt, chromic salts, mantoquita, molysite.
10., according to the arbitrary described Multifunction aluminum inhibition polishing pickling agent of claims 1 to 3, it is characterized in that, described solvent is water.
CN201410850058.5A 2014-12-31 2014-12-31 Multifunctional aluminum material corrosion-inhibition polishing pickling agent Pending CN104498967A (en)

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