High anti-corrosion zinc coating trivalent chromium lue-white passivating agent and its preparing method
A galvanized layer, trivalent chromium technology, applied in the direction of metal material coating process, etc., can solve the problems of turbidity of passivation solution, difficult to manufacture passivation agent, difficult operation and control of production process, etc., and achieves low production cost and high activity. Improved and stable effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment Construction
[0010] In a one-liter beaker, add 500 ml of deionized water, and add 20.4 g of chromium chloride (containing 4.0 Cr 3+ ), after completely dissolving, sequentially add 8.5g of NaNO 3 , 6.2g of malonic acid, 3.2g of acetic acid, 1.2g of phosphate, stirred for one hour. Then add 11.6g of cobalt sulfate, and after stirring for two hours, add 2.8g of ammonium bifluoride and 1.6g of silicate, and continue stirring for 30 minutes; then add deionized water to a volume of 1 liter, and then use sodium carbonate or nitric acid to adjust When the pH value of the chemical solution reaches 1.8, it is ready for use.
PUM
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