CN105331286A - Aluminum profile surface hydrophilic impregnation treatment agent - Google Patents
Aluminum profile surface hydrophilic impregnation treatment agent Download PDFInfo
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- CN105331286A CN105331286A CN201510663405.8A CN201510663405A CN105331286A CN 105331286 A CN105331286 A CN 105331286A CN 201510663405 A CN201510663405 A CN 201510663405A CN 105331286 A CN105331286 A CN 105331286A
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Abstract
The present invention discloses an aluminum profile surface hydrophilic impregnation treatment agent, which is prepared from the following raw materials 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 vinyl triethoxysilane, 1-2 parts of polyvinyl alcohol, 1-2 parts of nanometer zinc oxide, 2-3 parts of nanometer zirconium dioxide, 5-6 parts of aqueous polyurethane, 0.2-0.3 part of talc powder, 0.6-0.8 part of bentonite, 2-3 parts of glutaraldehyde, 0.1-0.2 part of dimethyl polysiloxane, 0.2-0.3 part of ferrocenecarboxylic acid, 0.4-0.6 part of molybdenum oxide, and 100-130 parts of deionized water. According to the present invention, the prepared treatment agent has characteristics of good hydrophilic impregnation property, good water washing effect, good high temperature resistance, good hiding capability, good gloss, good weather resistance and the like, and the preparation method has characteristics of proper raw material ration and simple preparation, and is suitable for mass production.
Description
Technical field
The present invention relates to technical field of surface, particularly relate to the hydrophilic infiltration treatment agent 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 hydrophilic infiltration treatment agent.
The present invention is achieved by the following technical solutions:
The hydrophilic infiltration treatment agent 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 zine oxide 1-2, nano zirconium dioxide 2-3, aqueous polyurethane 5-6, talcum powder 0.2-0.3, wilkinite 0.6-0.8, glutaraldehyde 2-3, dimethyl polysiloxane 0.1-0.2, ferrocenecarboxylic acid 0.2-0.3, molybdenum oxide 0.4-0.6, deionized water 100-130.
The hydrophilic infiltration treatment agent 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 zine 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) talcum powder and wilkinite are added to ultrasonic disperse 10-15min in glutaraldehyde, filter afterwards 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 zine oxide and nano zirconium dioxide improve film, barrier property, solidity to corrosion, the modified talc powder added and wilkinite improve the weather-proof of rete, film-forming properties, high-temperature stability and good glossy appearance, treatment agent prepared by the present invention has good hydrophilic wetting property, water washing effect is good, also have good high temperature resistant, opacifying power, gloss and the characteristic such as weather-proof, proportioning raw materials is proper, preparation is simple, suitable for mass production.
Embodiment
The hydrophilic infiltration treatment agent 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 zine oxide 1, nano zirconium dioxide 2, aqueous polyurethane 5, talcum powder 0.2, wilkinite 0.6, glutaraldehyde 2, dimethyl polysiloxane 0.1, ferrocenecarboxylic acid 0.2, molybdenum oxide 0.4, deionized water 100.
The hydrophilic infiltration treatment agent 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 zine 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) talcum powder and wilkinite are added to ultrasonic disperse 10min in glutaraldehyde, filter afterwards 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. the hydrophilic infiltration treatment agent 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 zine oxide 1-2, nano zirconium dioxide 2-3, aqueous polyurethane 5-6, talcum powder 0.2-0.3, wilkinite 0.6-0.8, glutaraldehyde 2-3, dimethyl polysiloxane 0.1-0.2, ferrocenecarboxylic acid 0.2-0.3, molybdenum oxide 0.4-0.6, deionized water 100-130.
2. the hydrophilic infiltration treatment agent 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 zine 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) talcum powder and wilkinite are added to ultrasonic disperse 10-15min in glutaraldehyde, filter afterwards 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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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114583276A (en) * | 2022-03-10 | 2022-06-03 | 东莞凯德新能源有限公司 | High-wettability electrolyte and preparation method thereof |
Citations (3)
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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 |
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- 2015-10-15 CN CN201510663405.8A patent/CN105331286A/en active Pending
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 |
---|---|---|---|---|
CN114583276A (en) * | 2022-03-10 | 2022-06-03 | 东莞凯德新能源有限公司 | High-wettability electrolyte and preparation method thereof |
CN114583276B (en) * | 2022-03-10 | 2024-04-02 | 东莞凯德新能源有限公司 | High-wettability electrolyte and preparation method thereof |
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