CN104152884A - Passivation formula for surface passivation of aluminum alloy product - Google Patents
Passivation formula for surface passivation of aluminum alloy product Download PDFInfo
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- CN104152884A CN104152884A CN201410259154.2A CN201410259154A CN104152884A CN 104152884 A CN104152884 A CN 104152884A CN 201410259154 A CN201410259154 A CN 201410259154A CN 104152884 A CN104152884 A CN 104152884A
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Abstract
The invention relates to the technical field of metal product surface treatment, and in particular relates to a passivation formula for surface passivation of an aluminum alloy product. The passivation formula comprises the following components in parts by weight: 1-12 parts of potassium hexafluorosilicate, 1-5 parts of sodium fluoride, 1-5 parts of potassium hexafluoro zirconate, 1-12 parts of acid, 1-10 parts of inositol hexaphosphoric acid and 100-200 parts of deionized water. The components of the passivation formula for surface passivation of the aluminum alloy product provided by the technical scheme of the invention are wide in raw material source and relatively low in cost; in an application process, the passivation formula provided by the invention is stable in tank solution, is not easy to cause sediment, is safe and environment-friendly in component, can not influence various later reprocessing properties of aluminum alloy metal products, is suitable for surface treatment of the aluminum alloy metal products, is convenient and practical, and is suitable for popularization and application.
Description
Technical field
The present invention relates to metal products technical field of surface, particularly a kind of aluminum alloy product surface passivation passivation.
Background technology
Aluminium alloy is a most widely used class non-ferrous metal structured material in industry, in Aeronautics and Astronautics, automobile, machinofacture, boats and ships and chemical industry, widely applies.Along with the develop rapidly of science and technology and industrial economy, research circle is more and more deep to the surface-treated research of aluminium alloy.The surperficial Passivation Treatment of aluminium alloy is the chief component in aluminum alloy surface process field, and the Passivation Treatment of aluminum alloy surface may also be referred to as carries out anti-corrosive treatment to its surface.At present traditional sexavalent chrome passivation technology, from the viewpoint of technology maturity and cost-saving etc., has mostly been selected by most domestic enterprise.Although sexavalent chrome passive film anti-corrosion performance is good and outward appearance is beautiful, sexavalent chrome is the extremely strong material of a kind of toxicity, is acknowledged as carcinogenic substance and dangerous air pollutant.Therefore, develop that a kind of starting material wide material sources, production cost are lower, the good aluminum alloy product surface passivation of coating quality passivation is the current problem that will study.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide that a kind of starting material wide material sources, production cost are lower, the good aluminum alloy product surface passivation of coating quality passivation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of aluminum alloy product surface passivation passivation, count by weight, this passivation has following component: potassium silicofluoride 1-12 part, Sodium Fluoride 1-5 part, Potassium Zirconium Fluoride 1-5 part, sour 1-12 part and nucite phosphoric acid ester 1-10 part, deionized water 100-200 part;
Described acid is a kind of, two or three the mixture in dilute sulphuric acid, rare nitric acid or phosphoric acid.
Further, count by weight, this passivation has following component: potassium silicofluoride 3-10 part, Sodium Fluoride 2-4 part, Potassium Zirconium Fluoride 2-4 part, sour 2-10 part and nucite phosphoric acid ester 2-8 part, deionized water 105-180 part.
Further, meter by weight, this passivation has following component: 7 parts of 7 parts of potassium silicofluorides, 3 parts of Sodium Fluorides, 3 parts of Potassium Zirconium Fluorides, 6 parts of acid and nucite phosphoric acid ester, 140 parts of deionized waters.
Further preferably, described acid is the mixture that dilute sulphuric acid, rare nitric acid and phosphoric acid form according to the mass ratio configuration of 1:1:2, and wherein the concentration of dilute sulphuric acid is 3mol/L, and the mass concentration of rare nitric acid is 14%.
Further preferably, described acid is the mixture that dilute sulphuric acid and rare nitric acid form according to the mass ratio configuration of 1:1.5, and wherein the concentration of dilute sulphuric acid is 5mol/L, and the mass concentration of rare nitric acid is 18%.
Beneficial effect: the component of passivation for the aluminum alloy product surface passivation that technical scheme of the present invention provides, starting material wide material sources, cost is lower, its in use, tank liquor is stable, be not prone to sediment, component safety and environmental protection, do not affect the various cycling processabilities in Al-alloy metal goods later stage, be applicable to the processing to Al-alloy metal product surface, convenient and practical, suitable applying.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described; described embodiment is only a part of embodiment of the present invention; be not restricted to the present invention; embodiment based in the present invention; those of ordinary skills obtain other embodiments of the invention not making under creative work prerequisite, and these all belong to protection scope of the present invention.
Embodiment mono-
An aluminum alloy product surface passivation passivation, meter by weight, this passivation has following component: 7 parts of 7 parts of potassium silicofluorides, 3 parts of Sodium Fluorides, 3 parts of Potassium Zirconium Fluorides, 6 parts of acid and nucite phosphoric acid ester, 140 parts of deionized waters.
Described acid is the mixture that dilute sulphuric acid, rare nitric acid and phosphoric acid form according to the mass ratio configuration of 1:1:2, and wherein the concentration of dilute sulphuric acid is 3mol/L, and the mass concentration of rare nitric acid is 14%.
Embodiment bis-
An aluminum alloy product surface passivation passivation, meter by weight, this passivation has following component: 3 parts of 3 parts of potassium silicofluorides, 1 part of Sodium Fluoride, 1.5 parts of Potassium Zirconium Fluorides, 3 parts of acid and nucite phosphoric acid ester, 100 parts of deionized waters.
Described acid is the mixture that dilute sulphuric acid, rare nitric acid and phosphoric acid form according to the mass ratio configuration of 1:1:2, and wherein the concentration of dilute sulphuric acid is 3mol/L, and the mass concentration of rare nitric acid is 14%.
Embodiment tri-
An aluminum alloy product surface passivation passivation, meter by weight, this passivation has following component: 8 parts of 12 parts of potassium silicofluorides, 5 parts of Sodium Fluorides, 5 parts of Potassium Zirconium Fluorides, 10 parts of acid and nucite phosphoric acid ester, 190 parts of deionized waters.
Described acid is the mixture that dilute sulphuric acid, rare nitric acid and phosphoric acid form according to the mass ratio configuration of 1:1:2, and wherein the concentration of dilute sulphuric acid is 3mol/L, and the mass concentration of rare nitric acid is 14%.
Embodiment tetra-
An aluminum alloy product surface passivation passivation, meter by weight, this passivation has following component: 8 parts of 12 parts of potassium silicofluorides, 5 parts of Sodium Fluorides, 5 parts of Potassium Zirconium Fluorides, 10 parts of acid and nucite phosphoric acid ester, 190 parts of deionized waters.
Described acid is the mixture that dilute sulphuric acid and rare nitric acid form according to the mass ratio configuration of 1:1.5, and wherein the concentration of dilute sulphuric acid is 5mol/L, and the mass concentration of rare nitric acid is 18%.
Embodiment five
An aluminum alloy product surface passivation passivation, meter by weight, this passivation has following component: 7 parts of 7 parts of potassium silicofluorides, 3 parts of Sodium Fluorides, 3 parts of Potassium Zirconium Fluorides, 6 parts of acid and nucite phosphoric acid ester, 140 parts of deionized waters.
Described acid is the mixture that dilute sulphuric acid and rare nitric acid form according to the mass ratio configuration of 1:1.5, and wherein the concentration of dilute sulphuric acid is 5mol/L, and the mass concentration of rare nitric acid is 18%.
Embodiment six
A kind of aluminum alloy product surface passivation passivation, count by weight, this passivation has following component: 7.5 parts of 8 parts of potassium silicofluorides, 4.5 parts of Sodium Fluorides, 3.5 parts of Potassium Zirconium Fluorides, 7 parts of acid and nucite phosphoric acid ester, 150 parts of deionized waters.
Described acid is the mixture that dilute sulphuric acid and rare nitric acid form according to the mass ratio configuration of 1:1.5, and wherein the concentration of dilute sulphuric acid is 5mol/L, and the mass concentration of rare nitric acid is 18%.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (5)
1. an aluminum alloy product surface passivation passivation, it is characterized in that: count by weight, this passivation has following component: potassium silicofluoride 1-12 part, Sodium Fluoride 1-5 part, Potassium Zirconium Fluoride 1-5 part, sour 1-12 part and nucite phosphoric acid ester 1-10 part, deionized water 100-200 part;
Described acid is a kind of, two or three the mixture in dilute sulphuric acid, rare nitric acid or phosphoric acid.
2. a kind of aluminum alloy product surface passivation passivation according to claim 1, it is characterized in that: count by weight, this passivation has following component: potassium silicofluoride 3-10 part, Sodium Fluoride 2-4 part, Potassium Zirconium Fluoride 2-4 part, sour 2-10 part and nucite phosphoric acid ester 2-8 part, deionized water 105-180 part.
3. a kind of aluminum alloy product surface passivation passivation according to claim 1, it is characterized in that: count by weight, this passivation has following component: 7 parts of 7 parts of potassium silicofluorides, 3 parts of Sodium Fluorides, 3 parts of Potassium Zirconium Fluorides, 6 parts of acid and nucite phosphoric acid ester, 140 parts of deionized waters.
4. a kind of aluminum alloy product surface passivation passivation according to claim 1, it is characterized in that: described acid is the mixture that dilute sulphuric acid, rare nitric acid and phosphoric acid form according to the mass ratio configuration of 1:1:2, wherein the concentration of dilute sulphuric acid is 3mol/L, and the mass concentration of rare nitric acid is 14%.
5. a kind of aluminum alloy product surface passivation passivation according to claim 1, it is characterized in that: described acid is the mixture that dilute sulphuric acid and rare nitric acid form according to the mass ratio configuration of 1:1.5, wherein the concentration of dilute sulphuric acid is 5mol/L, and the mass concentration of rare nitric acid is 18%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578139A (en) * | 2019-10-21 | 2019-12-17 | 徐州市国艺铝合金包装箱有限公司 | Passivation solution suitable for aluminum alloy surface passivation |
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| CN100494494C (en) * | 2006-12-21 | 2009-06-03 | 中国海洋石油总公司 | Metal surface treating composition and its preparing method and use |
| CN102304711A (en) * | 2011-09-28 | 2012-01-04 | 浙江工贸职业技术学院 | Environmentally friendly chromium-free passivation solution for aluminum and aluminum alloy surface and application thereof |
| CN102409324A (en) * | 2011-12-06 | 2012-04-11 | 中国科学院金属研究所 | Aluminium alloy chromium-phosphorus-free nanoscale chemical conversion liquid for ships and method for preparing conversion film |
| CN103014690A (en) * | 2012-12-29 | 2013-04-03 | 云南滇科涂镀层材料有限公司 | Novel pollution-free black passivation solution used for providing galvanized surface |
| CN103668161A (en) * | 2013-11-14 | 2014-03-26 | 中国科学院过程工程研究所 | Manganese-titanium serial chromium-free passivation liquid on surface of aluminum alloy and passivation method thereof |
| CN103834939A (en) * | 2012-11-27 | 2014-06-04 | 汉达精密电子(昆山)有限公司 | Aluminum alloy surface passivation liquid and processing method thereof |
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- 2014-06-11 CN CN201410259154.2A patent/CN104152884A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100494494C (en) * | 2006-12-21 | 2009-06-03 | 中国海洋石油总公司 | Metal surface treating composition and its preparing method and use |
| CN102304711A (en) * | 2011-09-28 | 2012-01-04 | 浙江工贸职业技术学院 | Environmentally friendly chromium-free passivation solution for aluminum and aluminum alloy surface and application thereof |
| CN102409324A (en) * | 2011-12-06 | 2012-04-11 | 中国科学院金属研究所 | Aluminium alloy chromium-phosphorus-free nanoscale chemical conversion liquid for ships and method for preparing conversion film |
| CN103834939A (en) * | 2012-11-27 | 2014-06-04 | 汉达精密电子(昆山)有限公司 | Aluminum alloy surface passivation liquid and processing method thereof |
| CN103014690A (en) * | 2012-12-29 | 2013-04-03 | 云南滇科涂镀层材料有限公司 | Novel pollution-free black passivation solution used for providing galvanized surface |
| CN103668161A (en) * | 2013-11-14 | 2014-03-26 | 中国科学院过程工程研究所 | Manganese-titanium serial chromium-free passivation liquid on surface of aluminum alloy and passivation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110578139A (en) * | 2019-10-21 | 2019-12-17 | 徐州市国艺铝合金包装箱有限公司 | Passivation solution suitable for aluminum alloy surface passivation |
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Application publication date: 20141119 |