CN102181853A - Novel treatment fluid for chromium-free passivation of aluminum alloy - Google Patents
Novel treatment fluid for chromium-free passivation of aluminum alloy Download PDFInfo
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- CN102181853A CN102181853A CN 201110088811 CN201110088811A CN102181853A CN 102181853 A CN102181853 A CN 102181853A CN 201110088811 CN201110088811 CN 201110088811 CN 201110088811 A CN201110088811 A CN 201110088811A CN 102181853 A CN102181853 A CN 102181853A
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Abstract
The invention relates to treatment fluid for surface passivation of an aluminum alloy, and particularly discloses novel treatment fluid for chromium-free passivation of the aluminum alloy. The novel treatment fluid consists of the following substances in percentage by mass: 20 to 30 percent of a mixture of potassium titanate, sodium titanate and magnesium titanate salts, 5 to 15 percent of a mixture of potassium zirconate, sodium zirconate and magnesium zirconate salts, 5 to 15 percent of modified organic silicon resin, and 40 to 50 percent of urethane resin. The novel treatment fluid for the chromium-free passivation of the aluminum alloy is specifically used for surface treatment of aluminum and alloys thereof, and magnesium and alloys thereof, and not only can improve the corrosion resistance per se of a material, but also can enhance the adhesive force of the material and a coating layer thereof. The treatment fluid has the advantages of simple using process, low cost, no pollution and the like.
Description
Technical field
The present invention relates to field of metal surface treatment technology, specifically, relate to be used for the treatment solution of aluminum alloy surface passivation.
Background technology
The aluminium surface treatment is a professional technique that relates to a lot of fields, comprises automobile, motorcycle, space flight and aviation, household electrical appliance, electronics, building materials, universal metal processing.Wherein, chemical conversion film is a kind of technique means the most frequently used in the aluminium surface treatment.Chemical conversion film has certain erosion resistance and good physical adsorption ability, can improve aluminium matrix and coating's adhesion greatly, strengthens the resistance to corrosion of aluminum products, its processing speed soon, not consumed power, required equipment is simple, processing cost is low.At present, the method for comparatively common chemical conversion film has three kinds:
1, chromaking, this method was invented by the american chemical paint company in 1945, was also referred to as the A Luoding oxidation style, and the back is promoted the use of by Britain's ICI Imperial Chemical Industries, claims A Luo Crow nurse method.Its main component is: with the chromic anhydride oxygenant and membrane-forming agent, and additive such as fluorochemical in addition, film forming is fine and close chromic salt, and good anti-corrosion is arranged.But the formed conversion film of this method contains sexavalent chrome, can cause serious harm to human body, also can cause severe contamination to environment.
2, phosphorus chromaking claims green chromaking again, and the phosphorus chromaking was just brought into use in the aluminium surface treatment as far back as 1945, so far, and still in use.Phosphorus chromaking film comes from trivalent chromium, and its main component is: superphosphate, acidity or basic chromium hydrochlorate, complexing agent, fluorochemical.The difference of this method and chromaking method is that phosphoric acid salt has substituted chromic salt, has reduced pollution, and has simplified the operation of acid deoxidation effect on technology.But in this method, phosphorus chromaking film erosion resistance is received certain restriction not as the chromaking film so use, and, do not break away from chromic pollution fully yet.
3, colourless Chrome-free chemical conversion embrane method is to be basic components with fluorine zirconic acid, nitric acid, boric acid, a series of conversion embrane methods that develop in succession.The surface conversion coating of the aluminum or aluminum alloy after handling does not in this way contain chromium, can not work the mischief to human body and environment, and still, the film forming erosion resistance is relatively poor.
Traditional passivation technology for aluminum alloy, generally comprise cleaning, water cleaning, chromaking, water cleaning, washed with de-ionized water, water treatment, the cleaning of heavy metal sediment and the transportation of heavy metal slag and handle totally 8 steps, traditional technical process complexity, that uses in the technical process contains chromium compounds, not only can work the mischief, but also can remain in the treatment trough, can not directly discharge human body and environment, need the company of specialty to clear up and transport, the cost height.
Summary of the invention
The aluminium alloy treatment solution that technical problem to be solved by this invention is to provide a kind of erosion resistance by force, not contain chromium, can not work the mischief to human body and environment.
In order to solve the problems of the technologies described above, technical scheme of the present invention is like this:
A kind of novel aluminum alloy non-chromium passivation treatment fluid, form by the material of following mass percent:
The mixture 20-30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5-15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 5-15%, and urethane resin 40-50%.
In the technique scheme, preferably form by the material of following mass percent:
The mixture 20-30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5-15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 10-15%, and urethane resin 45-50%.
In the technique scheme, especially preferably form by the material of following mass percent:
The mixture 30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 10% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 10%, and urethane resin 50%.
The preparation method of novel aluminum alloy non-chromium passivation treatment fluid of the present invention may further comprise the steps:
(1) take by weighing material by mass percentage: the mixture 20-30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5-15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 5-15% and, and urethane resin 40-50%;
(2) above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.5-1 hour with 80-120 rev/min speed, filtration gets final product.
Treatment solution of the present invention is acidic liquid, and the aluminium workpiece is slightly dissolved, owing to consumed hydrogen ion at this dissolution process, thereby near the pH value treatment solution and the aluminium workpiece interface is risen, and then cause zirconium and titanyl compound to be separated out, attached to the aluminium workpiece surface; Simultaneously, by the effect of coordination compound, modified organic silicone resin in the treatment solution and urethane resin combine with above-mentioned precipitate, thereby attached on the aluminium workpiece surface, last, the surface of aluminium workpiece has formed one deck conversion film.
Through measuring, by the formed conversion film of treatment solution of the present invention, its thickness is the 0.1-0.5 micron, 1000 hours mist of ability test behind the japanning.
Novel aluminum alloy non-chromium passivation treatment fluid of the present invention, be specifically designed to the surface treatment of aluminium and alloy thereof, magnesium and alloy thereof, not only can improve the erosion resistance of material itself, and can strengthen material and its adhesive force of coatings, have advantages such as the technology of use is simple, cost is low, pollution-free.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1
Take by weighing material by mass percentage: the mixture 20% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 15%, and urethane resin 50%;
Above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.5 hour, filter, obtain the novel aluminum alloy non-chromium passivation treatment fluid of present embodiment with 80 rev/mins speed.
When using treatment solution of the present invention, clean the aluminium workpiece with acidity or neutral scavenging solution earlier, remove the greasy dirt and the dust of aluminium material surface; Water cleans the impurity of residual other of aluminium material surface again; Then, carry out passivation with treatment solution of the present invention again, form one deck conversion film at aluminium material surface; At last, water and washed with de-ionized water aluminium material surface again.
Novel aluminum alloy non-chromium passivation treatment fluid of the present invention, be acidic liquid, the aluminium workpiece is slightly dissolved, owing to consumed hydrogen ion at this dissolution process, thereby near the pH value treatment solution and the aluminium workpiece interface is risen, and then cause zirconium and titanyl compound to be separated out, attached to the aluminium workpiece surface; Simultaneously, by the effect of coordination compound, modified organic silicone resin in the treatment solution and urethane resin combine with above-mentioned precipitate, thereby attached on the aluminium workpiece surface, last, the surface of aluminium workpiece has formed one deck conversion film.
Novel aluminum alloy non-chromium passivation treatment fluid of the present invention, be specifically designed to the surface treatment of aluminium and alloy thereof, magnesium and alloy thereof, not only can improve the erosion resistance of material itself, and can strengthen material and its adhesive force of coatings, have advantages such as the technology of use is simple, cost is low, pollution-free.
Embodiment 2
Take by weighing material by mass percentage: the mixture 25% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 10%, and urethane resin 50%;
Above-mentioned substance is placed in the special corrosion resistant reactor, stirred 1 hour, filter, obtain the novel aluminum alloy non-chromium passivation treatment fluid of present embodiment with 90 rev/mins speed.
Embodiment 3
Take by weighing material by mass percentage: the mixture 30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 10% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 15%, and urethane resin 45%;
Above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.8 hour, filter, obtain the novel aluminum alloy non-chromium passivation treatment fluid of present embodiment with 100 rev/mins speed.
Embodiment 4
Take by weighing material by mass percentage: the mixture 30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 15%, and urethane resin 40%;
Above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.6 hour, filter, obtain the novel aluminum alloy non-chromium passivation treatment fluid of present embodiment with 110 rev/mins speed.
Embodiment 5
Take by weighing material by mass percentage: the mixture 30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 15%, and urethane resin 50%;
Above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.9 hour, filter, obtain the novel aluminum alloy non-chromium passivation treatment fluid of present embodiment with 120 rev/mins speed.
Embodiment 6
Take by weighing material by mass percentage: the mixture 30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 5%, and urethane resin 50%;
Above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.7 hour, filter, obtain the novel aluminum alloy non-chromium passivation treatment fluid of present embodiment with 100 rev/mins speed.
The foregoing description is a kind of in the plurality of embodiments of the present invention only; it is not qualification to the present invention's design; under the prerequisite that does not break away from design philosophy of the present invention; various modification and improvement that engineering technical personnel in this area make technical scheme of the present invention all should fall into protection scope of the present invention.
Claims (4)
1. novel aluminum alloy non-chromium passivation treatment fluid, form by the material of following mass percent:
The mixture 20-30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5-15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 5-15%, and urethane resin 40-50%.
2. novel aluminum alloy non-chromium passivation treatment fluid according to claim 1, form by the material of following mass percent:
The mixture 20-30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5-15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 10-15%, and urethane resin 45-50%.
3. novel aluminum alloy non-chromium passivation treatment fluid according to claim 1, form by the material of following mass percent:
The mixture 30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 10% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 10%, and urethane resin 50%.
4. the preparation method of the described novel aluminum alloy non-chromium passivation treatment fluid of claim 1 may further comprise the steps:
(1) take by weighing material by mass percentage: the mixture 20-30% of potassium titanate, sodium titanate and metatitanic acid magnesium salts, the mixture 5-15% of potassium zirconium, sodium zirconate and zirconic acid magnesium salts, modified organic silicone resin 5-15% and, and urethane resin 40-50%;
(2) above-mentioned substance is placed in the special corrosion resistant reactor, stirred 0.5-1 hour with 80-120 rev/min speed, filtration gets final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100888118A CN102181853B (en) | 2011-04-08 | 2011-04-08 | Novel treatment fluid for chromium-free passivation of aluminum alloy |
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| CN2011100888118A CN102181853B (en) | 2011-04-08 | 2011-04-08 | Novel treatment fluid for chromium-free passivation of aluminum alloy |
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| CN102181853A true CN102181853A (en) | 2011-09-14 |
| CN102181853B CN102181853B (en) | 2012-11-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776501A (en) * | 2012-07-11 | 2012-11-14 | 东莞市闻誉实业有限公司 | Aluminum and aluminum alloy non-chromium passivation method and non-chromium passivation solution |
| CN108085664A (en) * | 2017-12-28 | 2018-05-29 | 金华市鸿新新材料科技有限公司 | Environment-friendly type macromolecule modified silane vitrification liquid and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09143752A (en) * | 1995-11-20 | 1997-06-03 | Nippon Paint Co Ltd | Composition and treating bath for treating aluminum based metal surface and treatment thereof |
| US20040048486A1 (en) * | 2000-01-07 | 2004-03-11 | Roger Bernards | Method for roughening copper surfaces for bonding to substrates |
| CN1827852A (en) * | 2006-04-11 | 2006-09-06 | 营口市康如化工有限公司 | Non-chromate golden chemical conversion film treatment agent for aluminium alloy and preparation method thereof |
| CN101048476A (en) * | 2004-10-22 | 2007-10-03 | 日本帕卡濑精株式会社 | Surface treatment agent for metal, surface treatment method for metallic material, and surface-treated metallic material |
| CN101161861A (en) * | 2007-11-22 | 2008-04-16 | 东北大学 | Non-chromium deactivation liquid for processing aluminium alloy and method of use thereof |
| EP1930383A1 (en) * | 2004-02-11 | 2008-06-11 | Dacral | Anticorrosion coating composition in aqueous dispersion comprising an organic titanate and/or zirconate |
-
2011
- 2011-04-08 CN CN2011100888118A patent/CN102181853B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09143752A (en) * | 1995-11-20 | 1997-06-03 | Nippon Paint Co Ltd | Composition and treating bath for treating aluminum based metal surface and treatment thereof |
| US20040048486A1 (en) * | 2000-01-07 | 2004-03-11 | Roger Bernards | Method for roughening copper surfaces for bonding to substrates |
| EP1930383A1 (en) * | 2004-02-11 | 2008-06-11 | Dacral | Anticorrosion coating composition in aqueous dispersion comprising an organic titanate and/or zirconate |
| CN101048476A (en) * | 2004-10-22 | 2007-10-03 | 日本帕卡濑精株式会社 | Surface treatment agent for metal, surface treatment method for metallic material, and surface-treated metallic material |
| CN1827852A (en) * | 2006-04-11 | 2006-09-06 | 营口市康如化工有限公司 | Non-chromate golden chemical conversion film treatment agent for aluminium alloy and preparation method thereof |
| CN101161861A (en) * | 2007-11-22 | 2008-04-16 | 东北大学 | Non-chromium deactivation liquid for processing aluminium alloy and method of use thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776501A (en) * | 2012-07-11 | 2012-11-14 | 东莞市闻誉实业有限公司 | Aluminum and aluminum alloy non-chromium passivation method and non-chromium passivation solution |
| CN108085664A (en) * | 2017-12-28 | 2018-05-29 | 金华市鸿新新材料科技有限公司 | Environment-friendly type macromolecule modified silane vitrification liquid and preparation method thereof |
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| CN102181853B (en) | 2012-11-07 |
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