Alkaline cyanide-free zinc plating additive and preparation method thereof
A galvanizing additive and additive technology, applied in the field of alkaline cyanide-free galvanizing additive and its preparation, can solve problems such as low gloss, poor performance improvement of zinc plating solution, and insufficient corrosion resistance of galvanized layer, etc. Improved performance such as dispersing ability, good gloss, and good corrosion resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0032] An alkaline cyanide-free zinc plating additive, comprising the following raw materials in parts by weight:
[0033] Main complexes, secondary complexes, surfactants and other additives;
[0034] The main complex is potassium hydrogen tartrate;
[0035] The auxiliary complex is 2-mercaptobenzimidazole zinc salt;
[0036] The surfactant is 2-mercaptobenzimidazole;
[0037] The other additive is 5-butylbenzotriazole.
[0038] Preferably, the amount of the alkaline cyanide-free zinc-plating additive is such that the contents of each raw material in each liter of electro-galvanizing bath are: 5-25 mg / L of the main complex, 1.5-4.5 mg / L of the auxiliary complex, Surfactant 40-80mg / L and other additives 10-17mg / L.
[0039] Preferably, the amount of the alkaline cyanide-free zinc plating additive is such that the content of each raw material in each liter of electro-galvanizing bath is: 9-20 mg / L of the main complex, 2-3.8 mg / L of the auxiliary complex, Surfactant 50~65mg / ...
Embodiment 2
[0047] An alkaline cyanide-free zinc plating additive, comprising the following raw materials in parts by weight:
[0048] Main complexes, secondary complexes, surfactants and other additives;
[0049] The main complex is potassium hydrogen tartrate;
[0050] The auxiliary complex is 2-mercaptobenzimidazole zinc salt;
[0051] The surfactant is 2-mercaptobenzimidazole;
[0052] The other additive is 5-butylbenzotriazole.
[0053] In this embodiment, the dosage of the alkaline cyanide-free zinc plating additive is that the contents of each raw material in each liter of electroplating zinc plating solution are respectively: main complex 9 mg / L, auxiliary complex 2 mg / L, surface active Agent 50mg / L and other additives 11.5mg / L.
[0054] In this embodiment, sodium hydroxide is also included; the sodium hydroxide adjusts the pH of the electro-galvanizing bath to 10.
[0055] In the present embodiment, the preparation method of described alkaline cyanide-free zinc plating addit...
Embodiment 3
[0059] An alkaline cyanide-free zinc plating additive, comprising the following raw materials in parts by weight:
[0060] Main complexes, secondary complexes, surfactants and other additives;
[0061] The main complex is potassium hydrogen tartrate;
[0062] The auxiliary complex is 2-mercaptobenzimidazole zinc salt;
[0063] The surfactant is 2-mercaptobenzimidazole;
[0064] The other additive is 5-butylbenzotriazole.
[0065] In this embodiment, the dosage of the alkaline cyanide-free zinc-plating additive is that the content of each raw material in each liter of electro-galvanizing bath is respectively: 20 mg / L of the main complex, 3.8 mg / L of the auxiliary complex, and 3.8 mg / L of the surface Active agent 65mg / L and other additives 15mg / L.
[0066] In this embodiment, sodium hydroxide is also included; the sodium hydroxide adjusts the pH of the electro-galvanizing bath to 10.5.
[0067] In the present embodiment, the preparation method of described alkaline cyanide-fr...
PUM
Property | Measurement | Unit |
---|---|---|
gloss | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com