PL401147A1 - Method and the technological line for the application of zinc coatings, protective and decorative - Google Patents
Method and the technological line for the application of zinc coatings, protective and decorativeInfo
- Publication number
- PL401147A1 PL401147A1 PL401147A PL40114712A PL401147A1 PL 401147 A1 PL401147 A1 PL 401147A1 PL 401147 A PL401147 A PL 401147A PL 40114712 A PL40114712 A PL 40114712A PL 401147 A1 PL401147 A1 PL 401147A1
- Authority
- PL
- Poland
- Prior art keywords
- block
- temperature
- decorative
- technological line
- protective
- Prior art date
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000011701 zinc Substances 0.000 title abstract 3
- 229910052725 zinc Inorganic materials 0.000 title abstract 3
- 238000000576 coating method Methods 0.000 title abstract 2
- 230000001681 protective effect Effects 0.000 title abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 238000005246 galvanizing Methods 0.000 abstract 2
- 229910017604 nitric acid Inorganic materials 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000004913 activation Effects 0.000 abstract 1
- 238000005282 brightening Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000009713 electroplating Methods 0.000 abstract 1
- 238000002161 passivation Methods 0.000 abstract 1
Landscapes
- Chemical Treatment Of Metals (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Sposób nakładania powłok cynkowych zwłaszcza o wysokich walorach ochronno-dekoracyjnych charakteryzuje się tym, że w pierwszym etapie powierzchnie cynkuje się metodą elektrolityczną w kąpielach alkaicznych w temperaturze w zakresie 25-35°C, w czasie 40-60 min, o wartości prądu w zakresie 0,5-2A/dm2, następnie płucze się w wodzie. Z kolei aktywuje roztworem kwasu azotowego w czasie 5-20s, kolejno cynkuje metodą elektrolityczną w kąpielach słabo kwaśnych w temperaturze 25-35°C w czasie 5-20 min, o wartości prądu 0,5-1,5A/dm2, następnie płucze się w wodzie oraz aktywuje w roztworze kwasu azotowego w czasie 5-50 s. Następnie pasywuje się w roztworach pozbawionych CrVI-, po czym powierzchnie lakieruje się, oraz suszy w temperaturze do 70°C. Sposób realizowany jest za pomocą linii technologicznej złożonej z bloku cynkowania alkalicznego, bloku płukania i aktywacji, bloku cynkowania słabo kwaśnego, bloku wykończenia, złożonego ze stanowisk: płukania, rozjaśniania i pasywacji oraz lakierowania i suszenia.The method of applying zinc coatings, especially those with high protective and decorative values, is characterized by the fact that in the first stage the surfaces are galvanized in alkaline baths at a temperature in the range of 25-35 ° C, during 40-60 min, with a current value in the range of 0 , 5-2A / dm2, then rinse in water. In turn, it activates with a nitric acid solution during 5-20s, followed by zinc electroplating in weakly acid baths at a temperature of 25-35 ° C for 5-20 min, with a current value of 0.5-1.5A / dm2, then rinsed in water and activates in a nitric acid solution for 5-50 s. Then it is passivated in solutions lacking CrVI-, then the surfaces are varnished and dried at a temperature of up to 70 ° C. The method is implemented by means of a technological line consisting of an alkaline galvanizing block, a rinsing and activation block, a weakly acid galvanizing block, a finishing block, consisting of rinsing, brightening and passivation as well as varnishing and drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL401147A PL401147A1 (en) | 2012-10-10 | 2012-10-10 | Method and the technological line for the application of zinc coatings, protective and decorative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL401147A PL401147A1 (en) | 2012-10-10 | 2012-10-10 | Method and the technological line for the application of zinc coatings, protective and decorative |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL401147A1 true PL401147A1 (en) | 2014-04-14 |
Family
ID=50442181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL401147A PL401147A1 (en) | 2012-10-10 | 2012-10-10 | Method and the technological line for the application of zinc coatings, protective and decorative |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL401147A1 (en) |
-
2012
- 2012-10-10 PL PL401147A patent/PL401147A1/en not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REFS | Decisions on refusal to grant patents (taken after the publication of the particulars of the applications) |