Efficient and environment-friendly chromate-free passivation solution and preparation method thereof
A chromium-free passivation, environmental protection technology, applied in the field of passivation, to achieve the effect of broad development and application prospects, high-efficiency anti-corrosion performance, and simple preparation method
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0022] A highly efficient and environmentally friendly chromium-free passivation solution, including the following components: molybdenum phosphate 35g / L, sodium vanadate 10g / L, sodium tungstate 8g / L, phytic acid 10g / L, tartaric acid 30g / L, tannic acid 50g / L, polytrimethylethoxy modified epoxy resin 10g / L, corrosion and scale inhibitor 6g / L, sealing agent 3g / L, film forming agent 10g / L, antioxidant additive 0.5g / L L, aluminum tripolyphosphate 3g / L; wherein, the molybdophosphate is a mixture of sodium molybdophosphate and molybdophosphoric acid with a mass ratio of 1:2; the film-forming agent is sodium silicate, sodium fluorosilicate and sulfuric acid A mixture of sodium in a mass ratio of 2:1:1; the sealing agent is orthosilicic acid; the antioxidant additive is p-, p-diisooctyldiphenylamine and mineral oil in a ratio of 1:1 Mixed mixture.
[0023] The preparation method steps of above-mentioned efficient environment-friendly chromium-free passivation solution are as follows:...
Embodiment 2
[0029] A highly efficient and environmentally friendly chromium-free passivation solution, including the following components: molybdenum phosphate 40g / L, sodium vanadate 20g / L, sodium tungstate 12g / L, phytic acid 100g / L, tartaric acid 3g / L, tannic acid 5g / L, polytrimethylethoxy modified epoxy resin 50g / L, corrosion and scale inhibitor 8g / L, sealing agent 6g / L, film forming agent 15g / L, antioxidant additive 3g / L , aluminum tripolyphosphate 7g / L; wherein, the molybdophosphate is a mixture of sodium molybdophosphate and molybdophosphoric acid with a mass ratio of 1:3; the film-forming agent is sodium silicate, sodium fluorosilicate and sodium sulfate A mixture mixed at a mass ratio of 3:2:1; the sealing agent is orthosilicic acid; the antioxidant additive is p-, p-diisooctyldiphenylamine and mineral oil mixed at a ratio of 1:1 mixture.
[0030] The preparation method steps of above-mentioned efficient environment-friendly chromium-free passivation solution are as follows:
[0...
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