CN105369252A - Treating liquid capable of improving surface brightness of aluminum profile - Google Patents
Treating liquid capable of improving surface brightness of aluminum profile Download PDFInfo
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- CN105369252A CN105369252A CN201510663417.0A CN201510663417A CN105369252A CN 105369252 A CN105369252 A CN 105369252A CN 201510663417 A CN201510663417 A CN 201510663417A CN 105369252 A CN105369252 A CN 105369252A
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- deionized water
- aluminum profile
- surface brightness
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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
- 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
Abstract
The invention discloses a treating liquid capable of improving surface brightness of aluminum profile. The treating liquid capable of improving surface brightness of aluminum profile 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 nano-titanium dioxide, 2-3 parts of nano zirconium dioxide, 5-6 parts of waterborne polyurethane, 1-2 parts of urea, 0.2-0.4 part of nonylphenol polyoxyethylene ether, 0.3-0.5 part of copper sulfate, 0.3-0.4 part of mica powder, 0.5-0.8 part of chitin, 0.7-1 part of nanocarbon powder and 100-130 parts of deionized water. The adopted raw materials are cheap, a preparation method is simple, and the process is easy and convenient to operate. The surface corrosion resistance and corrosion inhibition property of an aluminum profile and surface brightness can be remarkably improved, good appearance performance is achieved, and the treating liquid capable of improving surface brightness of aluminum profile is worthy of popularization.
Description
Technical field
The present invention relates to technical field of surface, particularly relate to a kind of enhancing aluminium shape surface light treatment solution.
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 and strengthens aluminium shape surface light treatment solution.
The present invention is achieved by the following technical solutions:
A kind of enhancing aluminium shape surface light treatment solution, 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 zirconium dioxide 2-3, aqueous polyurethane 5-6, urea 1-2, polyoxyethylene nonylphenol ether 0.2-0.4, copper sulfate 0.3-0.5, mica powder 0.3-0.4, chitin 0.5-0.8, nano-carbon powder 0.7-1, deionized water 100-130.
Described one strengthens aluminium shape surface light treatment solution, is 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 zirconium dioxide 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 dissolve with ethanol of chitin by 15 times amount, add mica powder and nano-carbon powder heated and stirred after stirring to solvent evaporates, grind after drying and be added to rapid stirring 0.5-1h in aqueous polyurethane (solid content is 15%);
(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 zirconium dioxide improve film, barrier property, solidity to corrosion, the modified micaceous powder added and nano-carbon powder greatly improve the fire-resistant of rete, high temperature resistant, corrosion-resistant and weather-proof not allochroic effect, the present invention is cheaply raw materials used, preparation method is simple, process operation is easy, aluminium shape surface erosion resistance can be improved significantly, rust inhibition and raising surface-brightening, there is good aesthetic appearance, be worthy to be popularized.
Embodiment
A kind of enhancing aluminium shape surface light treatment solution, 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 zirconium dioxide 2, aqueous polyurethane 5, urea 1, polyoxyethylene nonylphenol ether 0.2, copper sulfate 0.3, mica powder 0.3, chitin 0.5, nano-carbon powder 0.7, deionized water 100.
Described one strengthens aluminium shape surface light treatment solution, is 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 zirconium dioxide 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 dissolve with ethanol of chitin by 15 times amount, add mica powder and nano-carbon powder heated and stirred after stirring to solvent evaporates, grind after drying and be added to rapid stirring 0.5h in aqueous polyurethane (solid content is 15%);
(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. one kind strengthens aluminium shape surface light treatment solution, 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 zirconium dioxide 2-3, aqueous polyurethane 5-6, urea 1-2, polyoxyethylene nonylphenol ether 0.2-0.4, copper sulfate 0.3-0.5, mica powder 0.3-0.4, chitin 0.5-0.8, nano-carbon powder 0.7-1, deionized water 100-130.
2. one strengthens aluminium shape surface light treatment solution according to claim 1, it is characterized in that, is 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 zirconium dioxide 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 dissolve with ethanol of chitin by 15 times amount, add mica powder and nano-carbon powder heated and stirred after stirring to solvent evaporates, grind after drying and be added to rapid stirring 0.5-1h in aqueous polyurethane (solid content is 15%);
(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.
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CN201510663417.0A CN105369252A (en) | 2015-10-15 | 2015-10-15 | Treating liquid capable of improving surface brightness of aluminum profile |
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CN201510663417.0A CN105369252A (en) | 2015-10-15 | 2015-10-15 | Treating liquid capable of improving surface brightness of aluminum profile |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106319521A (en) * | 2016-10-24 | 2017-01-11 | 马鞍山顺发机械制造有限公司 | Compound brightener for metal surface of automobile |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62294186A (en) * | 1986-06-12 | 1987-12-21 | Nippon M & T Kk | Chemical polishing bath for aluminum and its alloy |
CN101949018A (en) * | 2010-08-10 | 2011-01-19 | 常州人和地义新材料科技有限公司 | Multi-functional metal surface pretreatment solution 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 |
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2015
- 2015-10-15 CN CN201510663417.0A patent/CN105369252A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62294186A (en) * | 1986-06-12 | 1987-12-21 | Nippon M & T Kk | Chemical polishing bath for aluminum and its alloy |
CN101949018A (en) * | 2010-08-10 | 2011-01-19 | 常州人和地义新材料科技有限公司 | Multi-functional metal surface pretreatment solution 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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106319521A (en) * | 2016-10-24 | 2017-01-11 | 马鞍山顺发机械制造有限公司 | Compound brightener for metal surface of automobile |
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Application publication date: 20160302 |