CN105369268A - Aluminum profile surface corrosion-preventing cleaning agent - Google Patents
Aluminum profile surface corrosion-preventing cleaning agent Download PDFInfo
- Publication number
- CN105369268A CN105369268A CN201510663421.7A CN201510663421A CN105369268A CN 105369268 A CN105369268 A CN 105369268A CN 201510663421 A CN201510663421 A CN 201510663421A CN 105369268 A CN105369268 A CN 105369268A
- Authority
- CN
- China
- Prior art keywords
- parts
- deionized water
- cleaning
- aluminum profile
- cleaning agent
- 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.)
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Classifications
-
- 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
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
- C23G1/26—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
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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
-
- 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
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
Abstract
The invention discloses an aluminum profile surface corrosion-preventing cleaning agent. The aluminum profile surface corrosion-preventing cleaning agent is prepared from, by weight, 0.5-1 part of benzotriazole, 5-6 parts of cerous nitrate, 1-2 parts of sodium fluoride, 1.5-2 parts of hydrogen peroxide, 20-24 parts of triethoxyvinylsilane, 1-2 parts of polyvinyl alcohol, 1-2 parts of nanometer titania, 2-3 parts of nanosilicon dioxide, 5-6 parts of waterborne polyurethane, 1-2 parts of ammonium molybdate, 0.2-0.3 part of sodium hexametaphosphate, 0.6-0.8 part of ferrous sulfate, 0.2-0.3 part of manganese oxide, 1-2 parts of quartz powder and 100-130 parts of deionized water. The prepared aluminum profile cleaning agent is high in cleaning efficiency, high-precision cleaning is achieved, and cleaning and passivation are completed under the same process condition. The conventional treatment process is simplified, cleaning cost is remarkably reduced, and harmless environment-friendly cleaning is achieved. Good corrosion resistance is achieved, and the aluminum profile surface corrosion-preventing cleaning agent can be produced in a large scale.
Description
Technical field
The present invention relates to technical field of surface, particularly relate to the anticorrosion clean-out system of a kind of aluminium shape surface.
Background technology
Aluminium is one of non-ferrous metal that usage quantity is large, range of application is the widest.It has light weight, mechanical property is high, heat-conductivity conducting performance is good, the feature such as anti-corrosion in an atmosphere, is widely used in the fields such as oil, aviation and light industry.Because the Nature comparison of aluminium is active, the pellumina making its surface form one deck densification is increased temperature in moulding process China and foreign countries, aluminium alloy extrusions can be infected with a lot of greasy dirt in transport and preservation process simultaneously, the pollutents such as dust, but the existence of oxide film and greasy dirt can hinder combination good between thawing metal, formation is mingled with, moisture damage metallic continuity in simultaneously stability air and homogeneity, thus produce pore at weld, affect the resistance to air loss of heat-exchange equipment, traditional alkalescence cleaning is while removal surface alumina oxide film, " dust " is formed at sample surfaces, finally need " bright dipping " process in acid solution, commercial run is complicated and cost is high, inapplicable modern industrialization is produced.Silane coupling agent, not only containing the siloxanes that can be hydrolyzed but also containing the organo-functional group that can be combined with other materials, has unique constitutional features, is used as binding agent, sealing agent and surface treatment agent at first.From the nineties in 20th century, just there is people that it is used in protecting metallic surface aspect, find that silane coupling agent has good metal protection effect, but silane super hydrophobic film even compact, effectively can stop the invasion of corrosive medium, but this type of rete weather resistance is poor, once suffer that destroying whole rete can lose efficacy rapidly, it is high that rare-earth conversion coatings has bonding strength as cathodic corrosion inhibitor, the advantages such as resistance to persistence is good, but easily crack, affect corrosion resisting property, the present invention adopts rare earth and siloxanes composite membrane to realize the complementation of advantage, corrosion prevention for aluminium provides effective and the processing method of high-efficiency environment friendly.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of aluminium shape surface anticorrosion clean-out system.
The present invention is achieved by the following technical solutions:
The anticorrosion clean-out system of a kind of aluminium shape surface, is made up of the raw material of following weight part: benzotriazole 0.5-1, cerous nitrate 5-6, Sodium Fluoride 1-2, hydrogen peroxide 1.5-2, vinyl three ethoxy silane 20-24, polyvinyl alcohol 1-2, nano titanium oxide 1-2, nano silicon 2-3, aqueous polyurethane 5-6, ammonium molybdate 1-2, Sodium hexametaphosphate 99 0.2-0.3, ferrous sulfate 0.6-0.8, manganese oxide 0.2-0.3, silica powder 1-2, deionized water 100-130.
The anticorrosion clean-out system of described a kind of aluminium shape surface, be made up of following concrete steps:
(1) vinyl three ethoxy silane, deionized water and dehydrated alcohol are mixed according to volume ratio 5:5:90, then instill acetic acid adjustment pH value to 6.5, at room temperature stir hydrolysis 48h for subsequent use;
(2) by polyvinyl alcohol with adding nano titanium oxide and nano silicon ultrasonic disperse 15-20min after 5 times amount deionized water dissolvings, be added in vinyl three ethoxy hydrolyzed silane solution afterwards, at room temperature constantly stir for subsequent use;
(3) by the deionized water dissolving of ferrous sulfate by 15 times amount, add silica powder and soak 0.5-1h, add manganese oxide and stir 6-8min in high-speed mixing stirrer, hydrothermal treatment consists 0.6-1h under 110 ° of C afterwards, filtering drying is added to rapid stirring 0.5-1h in aqueous polyurethane (solid content is 15%) after grinding;
(4) by the remaining deionized water dissolving of benzotriazole, cerous nitrate and Sodium Fluoride, then stir after adding hydrogen peroxide, then add step (2), product prepared by step (3) and remaining surplus materials thereof, can obtain after being uniformly mixed.
Advantage of the present invention is: the present invention adopts silane hydrolysis reaction to generate silanol, its terminal functional group is connected with rare earth cerous nitrate, form reticulated structure rete, this rete has good stripping strength, compactness, bonding strength is high, not easily produce microgroove, and add the super-hydrophobicity that nano titanium oxide and nano silicon improve film, barrier property, solidity to corrosion, the modification silica powder added and manganese oxide can strengthen the toughness of rete, intensity and preservative property, aluminium section bar clean-out system cleaning efficiency prepared by the present invention is high, realize high-accuracy washing, cleaning and passivation complete under same processing condition simultaneously, simplify conventional treatment process, cleaning cost significantly reduces, achieve innoxious environment-friendly type cleaning, there are good preservative property, can be mass-produced.
Embodiment
The anticorrosion clean-out system of a kind of aluminium shape surface, is made up of the raw material of following weight part (kilogram): benzotriazole 0.5, cerous nitrate 5, Sodium Fluoride 1, hydrogen peroxide 1.5, vinyl three ethoxy silane 20, polyvinyl alcohol 1, nano titanium oxide 1, nano silicon 2, aqueous polyurethane 5, ammonium molybdate 1, Sodium hexametaphosphate 99 0.2, ferrous sulfate 0.6, manganese oxide 0.2, silica powder 1, deionized water 100.
The anticorrosion clean-out system of described a kind of aluminium shape surface, be made up of following concrete steps:
(1) vinyl three ethoxy silane, deionized water and dehydrated alcohol are mixed according to volume ratio 5:5:90, then instill acetic acid adjustment pH value to 6.5, at room temperature stir hydrolysis 48h for subsequent use;
(2) by polyvinyl alcohol with adding nano titanium oxide and nano silicon ultrasonic disperse 15min after 5 times amount deionized water dissolvings, be added in vinyl three ethoxy hydrolyzed silane solution afterwards, at room temperature constantly stir for subsequent use;
(3) by the deionized water dissolving of ferrous sulfate by 15 times amount, add silica powder and soak 0.5h, add manganese oxide and stir 6min in high-speed mixing stirrer, hydrothermal treatment consists 0.6h under 110 ° of C afterwards, filtering drying is added to rapid stirring 0.5h in aqueous polyurethane (solid content is 15%) after grinding;
(4) by the remaining deionized water dissolving of benzotriazole, cerous nitrate and Sodium Fluoride, then stir after adding hydrogen peroxide, then add step (2), product prepared by step (3) and remaining surplus materials thereof, can obtain after being uniformly mixed.
The treatment solution process aluminum alloy plate materials prepared according to embodiment is tested, and tests in its surface sprinkling, and salt tolerance is tested: this sheet material being immersed in concentration is in the sodium chloride solution of 5%, soak 300 hours, material surface is substantially unchanged, soaks 300 hours, occurs without rust staining; Acid resisting test: the 0.05mol/l sulfuric acid being 23 DEG C by this sheet material temperature carries out spray experiment, experimental period 20 hours, and clean with clear water, indoor placement 2 hours, coating surface was unchanged, comes off, without damaged without foaming, nothing; Stripper-resistance is tested: the paste this plate surface being coated with last layer 2-3mm, and being put into temperature is 50 ° of C, and relative humidity is in the watertight chest of 90-96%, experimental period 24 hours, cleans after taking-up with clear water, and coating surface comes off, without damaged without foaming, nothing.
Claims (2)
1. the anticorrosion clean-out system of aluminium shape surface, it is characterized in that, be made up of the raw material of following weight part: benzotriazole 0.5-1, cerous nitrate 5-6, Sodium Fluoride 1-2, hydrogen peroxide 1.5-2, vinyl three ethoxy silane 20-24, polyvinyl alcohol 1-2, nano titanium oxide 1-2, nano silicon 2-3, aqueous polyurethane 5-6, ammonium molybdate 1-2, Sodium hexametaphosphate 99 0.2-0.3, ferrous sulfate 0.6-0.8, manganese oxide 0.2-0.3, silica powder 1-2, deionized water 100-130.
2. the anticorrosion clean-out system of a kind of aluminium shape surface according to claim 1, is characterized in that, be made up of following concrete steps:
(1) vinyl three ethoxy silane, deionized water and dehydrated alcohol are mixed according to volume ratio 5:5:90, then instill acetic acid adjustment pH value to 6.5, at room temperature stir hydrolysis 48h for subsequent use;
(2) by polyvinyl alcohol with adding nano titanium oxide and nano silicon ultrasonic disperse 15-20min after 5 times amount deionized water dissolvings, be added in vinyl three ethoxy hydrolyzed silane solution afterwards, at room temperature constantly stir for subsequent use;
(3) by the deionized water dissolving of ferrous sulfate by 15 times amount, add silica powder and soak 0.5-1h, add manganese oxide and stir 6-8min in high-speed mixing stirrer, hydrothermal treatment consists 0.6-1h under 110 ° of C afterwards, filtering drying is added to rapid stirring 0.5-1h in aqueous polyurethane (solid content is 15%) after grinding;
(4) by the remaining deionized water dissolving of benzotriazole, cerous nitrate and Sodium Fluoride, then stir after adding hydrogen peroxide, then add step (2), product prepared by step (3) and remaining surplus materials thereof, can obtain after being uniformly mixed.
Priority Applications (1)
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CN201510663421.7A CN105369268A (en) | 2015-10-15 | 2015-10-15 | Aluminum profile surface corrosion-preventing cleaning agent |
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CN201510663421.7A CN105369268A (en) | 2015-10-15 | 2015-10-15 | Aluminum profile surface corrosion-preventing cleaning agent |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110592603A (en) * | 2019-10-30 | 2019-12-20 | 湖南金裕环保科技有限公司 | Stainless steel surface emulsion, preparation method and application thereof |
CN115786900A (en) * | 2022-12-05 | 2023-03-14 | 武汉铁路职业技术学院 | Passivation solution for railway track embedded part and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101792920A (en) * | 2010-04-12 | 2010-08-04 | 北京航空航天大学 | Sulfuric acid-boric acid-additive ternary anodizing fluid |
CN103087572A (en) * | 2012-12-18 | 2013-05-08 | 芜湖恒坤汽车部件有限公司 | Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof |
CN104233428A (en) * | 2014-09-26 | 2014-12-24 | 湖南大学 | Method for improving alkaline resistance of anode oxide film on surface of aluminum or aluminum alloy material |
-
2015
- 2015-10-15 CN CN201510663421.7A patent/CN105369268A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101792920A (en) * | 2010-04-12 | 2010-08-04 | 北京航空航天大学 | Sulfuric acid-boric acid-additive ternary anodizing fluid |
CN103087572A (en) * | 2012-12-18 | 2013-05-08 | 芜湖恒坤汽车部件有限公司 | Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof |
CN104233428A (en) * | 2014-09-26 | 2014-12-24 | 湖南大学 | Method for improving alkaline resistance of anode oxide film on surface of aluminum or aluminum alloy material |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110592603A (en) * | 2019-10-30 | 2019-12-20 | 湖南金裕环保科技有限公司 | Stainless steel surface emulsion, preparation method and application thereof |
CN115786900A (en) * | 2022-12-05 | 2023-03-14 | 武汉铁路职业技术学院 | Passivation solution for railway track embedded part and preparation method thereof |
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Application publication date: 20160302 |