CN103849864A - Galvanizing chrome-free iridescent passivation liquid as well as preparation and application methods thereof - Google Patents
Galvanizing chrome-free iridescent passivation liquid as well as preparation and application methods thereof Download PDFInfo
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- CN103849864A CN103849864A CN201410061186.1A CN201410061186A CN103849864A CN 103849864 A CN103849864 A CN 103849864A CN 201410061186 A CN201410061186 A CN 201410061186A CN 103849864 A CN103849864 A CN 103849864A
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- 238000002161 passivation Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 title abstract description 12
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000005246 galvanizing Methods 0.000 title abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 24
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims abstract description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000001117 sulphuric acid Substances 0.000 claims abstract description 11
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 11
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 7
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims abstract description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 7
- 239000011775 sodium fluoride Substances 0.000 claims abstract description 6
- 235000013024 sodium fluoride Nutrition 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 230000004913 activation Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- 238000002203 pretreatment Methods 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000176 sodium gluconate Substances 0.000 abstract 2
- 235000012207 sodium gluconate Nutrition 0.000 abstract 2
- 229940005574 sodium gluconate Drugs 0.000 abstract 2
- 229910001335 Galvanized steel Inorganic materials 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000008397 galvanized steel Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000011698 potassium fluoride Substances 0.000 abstract 1
- 235000003270 potassium fluoride Nutrition 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 230000009849 deactivation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 150000003608 titanium Chemical class 0.000 description 2
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- 239000011825 aerospace material Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention relates to a galvanizing chrome-free iridescent passivation liquid as well as preparation and application methods thereof and belongs to the technical field of corrosion prevention. The passivation liquid comprises 20-30g/L sodium silicate, 15-25g/L zinc nitrate, 10-30mL/L nitric acid, 6-10g/L of sodium gluconate, 8-12g/L of potassium fluoride, 4-6mL/L sulfuric acid and the balance of water. The pH (potential of Hydrogen) of the passivation liquid is 1.5-2.5. The preparation method comprises the following steps: sequentially mixing concentrated sulfuric acid, concentrated nitric acid, zinc nitrate, sodium gluconate and sodium fluoride into a prepared sodium silicate liquid according to the composition proportion of the passivation liquid, finally adjusting the pH value to 1.5-2.5 by using a dilute sulphuric acid liquid or a dilute sodium hydroxide liquid. The application method comprises the following steps: pretreating steel parts, putting into the passivation liquid, soaking for 20-60 seconds at the temperature of 35-45 DEG C, completely washing by using clear water and drying. The chrome-free passivation liquid is formed by inorganic salts, so that the pollution of wastewater discharge is reduced and the injury to a human body is reduced; and the provided silicate iridescent passivation process meets the performance and appearance requirements of electric galvanized steel parts.
Description
Technical field
The present invention relates to a kind of galvanized chromium-free color passivation solution, preparation and using method, belong to aseptic technic field.
Background technology
The loss that corrosion brings to our economy is huge.Metallic substance and the equipment scrapped because of corrosion every year in the world are approximately equivalent to the more than 20% of turnout.Various anti-corrosion measures are arisen at the historic moment, and wherein Zincing passivation is anticorrosion comparatively extensive, are applied to various metals protection industry, such as aerospace material, electronics, automobile industry, five metals, electromechanics etc.
Zinc-plated iron-steel component mostly are sexavalent chrome or trivalent chromium passivation processing in the market, but sexavalent chrome has very major injury to HUMAN HEALTH, and environment is had to serious pollution, do not meet discharging standards; Trivalent chromium passivation toxicity is little, starts to widely apply trivalent chromium passivation process both at home and abroad.But trivalent chromium in use very easily changes sexavalent chrome into, aspect environmental protection, does not deal with problems.
Therefore the passivating technique of Chrome-free becomes following main flow technique completely.The research of main non-chromium inactivating technique has molybdate passivation, silicate passivation, titanium salt passivation, rare earth alloy passivation, organism passivation and phytic acid passivation both at home and abroad at present, but does not also have a kind of chromium-free deactivation on producing, to replace traditional chromating technique completely.The passive film rich color that molybdate passivation forms, but cost is high, difficult in maintenance.Titanium salt passivation solidity to corrosion is good, but film forming efficiency is low.Rare earth passivation solidity to corrosion is good, but the time that general passivation needs is oversize, and passivation time just can reach performance requriements for 1 day above.Silicate passivation clean environment firendly, solidity to corrosion is good, and cost is low, is the chromium-free deactivation technology that has application prospect most.
Summary of the invention
The present invention, in order to overcome the deficiency of existing passivating technique, provides a kind of galvanized chromium-free color passivation solution, preparation and using method, and chromium-free passivation liquid is inorganic salt, has reduced the pollution of discharge of wastewater, has reduced the injury to human body; Meet the silicate colorful passivating process of electro-galvanizing iron and steel component performance and appearance requirement.
The composition of galvanized chromium-free color passivation solution of the present invention is: 20～30g/L water glass, 15～25g/L zinc nitrate, 10～30mL/L nitric acid, 6～10g/L Sunmorl N 60S, 8～12g/L Potassium monofluoride, 4～6mL/L sulfuric acid, and all the other are water, pH is 1.5～2.5.
The compound method of galvanized chromium-free color passivation solution of the present invention is: in the sodium silicate solution configuring, mix the vitriol oil, concentrated nitric acid, zinc nitrate, Sunmorl N 60S and Sodium Fluoride successively according to the composition proportion of this passivating solution, finally adjusting pH value with dilute sulphuric acid or diluted sodium hydroxide solution is 1.5～2.5.
The concentration of the described vitriol oil is 98wt%.
The concentration of described concentrated nitric acid is 65wt%.
The concentration of described dilute sulphuric acid or dilute sodium hydroxide is 10～12g/L.
The using method of galvanized chromium-free color passivation solution of the present invention is: will after iron and steel parts pre-treatment, put into this passivating solution, soak after 20～60 seconds and rinse well and be dried with clear water under the condition of 35～45 ℃.
The pretreated operation of described iron and steel parts is: carry out successively chemical rust removing, electrolytic degreasing, activation treatment and go out optical processing, every procedure is disposed and all rinses well with clear water.
Described activation treatment is that employing concentration is that 1～3wt% HCL rinses iron and steel parts surface.
The invention has the beneficial effects as follows: passivating solution preparation is simple, passivating solution composition Chrome-free is without poisonous pharmaceutical chemicals, environment-friendly and green, meet national discharging of waste liquid standard, human body and environment have all been reduced to injury, and passivating solution good stability, passivation post-passivation film presents bright-coloured colour, passive film glossiness and homogeneity are all good, can adapt to the requirement of market to passive film outward appearance.Passivation technology is simple, workable, is applicable to industrial production.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment one: the composition of the galvanized chromium-free color passivation solution of present embodiment is: 20g/L water glass, 15g/L zinc nitrate, 15mL/L nitric acid, 10g/L Sunmorl N 60S, 12g/L Potassium monofluoride, 4mL/L sulfuric acid, all the other are water, pH is 1.5.
The compound method of the galvanized chromium-free color passivation solution of present embodiment is: in the sodium silicate solution configuring, mix the vitriol oil, concentrated nitric acid, zinc nitrate, Sunmorl N 60S and Sodium Fluoride successively according to the composition proportion of this passivating solution, finally adjusting pH value with dilute sulphuric acid or diluted sodium hydroxide solution is 1.5.The concentration of the vitriol oil is that the concentration of 98wt%, concentrated nitric acid is that the concentration of 65wt%, dilute sulphuric acid or dilute sodium hydroxide is 12g/L.
The using method of the galvanized chromium-free color passivation solution of present embodiment is: iron and steel parts is carried out successively to chemical rust removing, electrolytic degreasing, activation treatment and goes out optical processing, every procedure is disposed and all rinses well with clear water, then put into this passivating solution, under the condition of 35 ℃, soak after 40 seconds and rinse well and be dried with clear water.Activation treatment is to adopt the HCl that concentration is 3wt% to rinse iron and steel parts surface.
The zinc coating outward appearance that uses this passivating solution to carry out after Passivation Treatment is even iridescent passivation film, goes out the white rust time exceed 76 hours through neutral salt spray test.
Embodiment two: the composition of the galvanized chromium-free color passivation solution of present embodiment is: 30g/L water glass, 25g/L zinc nitrate, 30mL/L nitric acid, 6g/L Sunmorl N 60S, 10g/L Potassium monofluoride, 5mL/L sulfuric acid, all the other are water, pH is 2.
The compound method of the galvanized chromium-free color passivation solution of present embodiment is: in the sodium silicate solution configuring, mix the vitriol oil, concentrated nitric acid, zinc nitrate, Sunmorl N 60S and Sodium Fluoride successively according to the composition proportion of this passivating solution, finally adjusting pH value with dilute sulphuric acid or diluted sodium hydroxide solution is 2.The concentration of the vitriol oil is that the concentration of 98wt%, concentrated nitric acid is that the concentration of 65wt%, dilute sulphuric acid or dilute sodium hydroxide is 10g/L.
The using method of the galvanized chromium-free color passivation solution of present embodiment is: iron and steel parts is carried out successively to chemical rust removing, electrolytic degreasing, activation treatment and goes out optical processing, every procedure is disposed and all rinses well with clear water, then put into this passivating solution, under the condition of 40 ℃, soak after 20 seconds and rinse well and be dried with clear water.Activation treatment is to adopt the HCl that concentration is 1wt% to rinse iron and steel parts surface.
The zinc coating outward appearance that uses this passivating solution to carry out after Passivation Treatment is even iridescent passivation film, goes out the white rust time exceed 75 hours through neutral salt spray test.
Embodiment three: the composition of the galvanized chromium-free color passivation solution of present embodiment is: 26g/L water glass, 22g/L zinc nitrate, 10mL/L nitric acid, 8g/L Sunmorl N 60S, 8g/L Potassium monofluoride, 6mL/L sulfuric acid, all the other are water, pH is 2.5.
The compound method of the galvanized chromium-free color passivation solution of present embodiment is: in the sodium silicate solution configuring, mix the vitriol oil, concentrated nitric acid, zinc nitrate, Sunmorl N 60S and Sodium Fluoride successively according to the composition proportion of this passivating solution, finally adjusting pH value with dilute sulphuric acid or diluted sodium hydroxide solution is 2.5.The concentration of the vitriol oil is that the concentration of 98wt%, concentrated nitric acid is that the concentration of 65wt%, dilute sulphuric acid or dilute sodium hydroxide is 11g/L.
The using method of the galvanized chromium-free color passivation solution of present embodiment is: iron and steel parts is carried out successively to chemical rust removing, electrolytic degreasing, activation treatment and goes out optical processing, every procedure is disposed and all rinses well with clear water, then put into this passivating solution, under the condition of 45 ℃, soak after 60 seconds and rinse well and be dried with clear water.Activation treatment is to adopt the HCl that concentration is 2wt% to rinse iron and steel parts surface.
The zinc coating outward appearance that uses this passivating solution to carry out after Passivation Treatment is even iridescent passivation film, goes out the white rust time exceed 78 hours through neutral salt spray test.
Above the specific embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.
Claims (6)
1. a galvanized chromium-free color passivation solution, the composition that it is characterized in that this passivating solution is: 20～30g/L water glass, 15～25g/L zinc nitrate, 10～30mL/L nitric acid, 6～10g/L Sunmorl N 60S, 8～12g/L Potassium monofluoride, 4～6mL/L sulfuric acid, all the other are water, and pH is 1.5～2.5.
2. the collocation method of a galvanized chromium-free color passivation solution as claimed in claim 1, it is characterized in that concrete grammar is: in the sodium silicate solution configuring, mix the vitriol oil, concentrated nitric acid, zinc nitrate, Sunmorl N 60S and Sodium Fluoride successively according to the composition proportion of this passivating solution, finally adjusting pH value with dilute sulphuric acid or diluted sodium hydroxide solution is 1.5～2.5.
3. the collocation method of galvanized chromium-free color passivation solution according to claim 2, is characterized in that: the concentration of described dilute sulphuric acid or dilute sodium hydroxide is 10～12g/L.
4. the using method of a galvanized chromium-free color passivation solution as claimed in claim 1 or 2, it is characterized in that concrete grammar is: this passivating solution will be put into after iron and steel parts pre-treatment, under the condition of 35～45 ℃, soak after 20～60 seconds and rinse well and be dried with clear water.
5. the using method of galvanized chromium-free color passivation solution according to claim 4, it is characterized in that the pretreated operation of iron and steel parts is: carry out successively chemical rust removing, electrolytic degreasing, activation treatment and go out optical processing, every procedure is disposed and all rinses well with clear water.
6. the using method of galvanized chromium-free color passivation solution according to claim 4, is characterized in that: described activation treatment is that employing concentration is that 1～3wt% HCL rinses iron and steel parts surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410061186.1A CN103849864B (en) | 2014-02-24 | 2014-02-24 | A kind of galvanized chromium-free color passivation solution, preparation and using method |
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| CN201410061186.1A CN103849864B (en) | 2014-02-24 | 2014-02-24 | A kind of galvanized chromium-free color passivation solution, preparation and using method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401140A (en) * | 2015-12-16 | 2016-03-16 | 昆明理工大学 | Iridescent passivation solution for galvanization and preparation method of iridescent passivation solution |
| CN108359996A (en) * | 2018-04-04 | 2018-08-03 | 上海敏孑图文设计事务所（有限合伙） | A kind of low chromic acid colorful passivating process of metal tag |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61587A (en) * | 1984-06-12 | 1986-01-06 | C Uyemura & Co Ltd | Solution for chemical conversion treatment |
| CN101876071A (en) * | 2009-11-24 | 2010-11-03 | 昆明理工大学 | Environmentally-friendly black chrome-silver-free zinc-plating passivation solution and preparation method thereof |
| CN102644071A (en) * | 2012-05-25 | 2012-08-22 | 山东建筑大学 | Galvanized trivalent chromium black passivator |
| CN103320779A (en) * | 2013-06-25 | 2013-09-25 | 上海应用技术学院 | Passivation solution capable of inhibiting formation of hexavalent chromium in trivalent chromium passivation layer as well as preparation method and application of passivation solution |
| CN103540921A (en) * | 2013-10-29 | 2014-01-29 | 昆明理工大学 | Environmentally-friendly electrogalvanizing passivation solution |
-
2014
- 2014-02-24 CN CN201410061186.1A patent/CN103849864B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61587A (en) * | 1984-06-12 | 1986-01-06 | C Uyemura & Co Ltd | Solution for chemical conversion treatment |
| CN101876071A (en) * | 2009-11-24 | 2010-11-03 | 昆明理工大学 | Environmentally-friendly black chrome-silver-free zinc-plating passivation solution and preparation method thereof |
| CN102644071A (en) * | 2012-05-25 | 2012-08-22 | 山东建筑大学 | Galvanized trivalent chromium black passivator |
| CN103320779A (en) * | 2013-06-25 | 2013-09-25 | 上海应用技术学院 | Passivation solution capable of inhibiting formation of hexavalent chromium in trivalent chromium passivation layer as well as preparation method and application of passivation solution |
| CN103540921A (en) * | 2013-10-29 | 2014-01-29 | 昆明理工大学 | Environmentally-friendly electrogalvanizing passivation solution |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401140A (en) * | 2015-12-16 | 2016-03-16 | 昆明理工大学 | Iridescent passivation solution for galvanization and preparation method of iridescent passivation solution |
| CN105401140B (en) * | 2015-12-16 | 2018-04-24 | 昆明理工大学 | A kind of zinc-plated color passivation solution and preparation method thereof |
| CN108359996A (en) * | 2018-04-04 | 2018-08-03 | 上海敏孑图文设计事务所（有限合伙） | A kind of low chromic acid colorful passivating process of metal tag |
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| CN103849864B (en) | 2016-12-07 |
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