Invention Grant
- Patent Title: Chemical conversion coatings for corrosion protection of copper and other alloys in contaminated water
- Patent Title (中): 用于污染水中铜和其他合金腐蚀保护的化学转化涂层
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Application No.: US13017625Application Date: 2011-01-31
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Publication No.: US08741074B1Publication Date: 2014-06-03
- Inventor: Hongbo Ding , Jiong Liu
- Applicant: Hongbo Ding , Jiong Liu
- Applicant Address: US NJ Somerset
- Assignee: NEI Corporation
- Current Assignee: NEI Corporation
- Current Assignee Address: US NJ Somerset
- Agent William L. Botjer
- Main IPC: C23C22/48
- IPC: C23C22/48 ; C23C22/52 ; C23C22/05
Abstract:
A non-chromate conversion coating for copper or other alloys. The conversion coating is composed of hydrotalcite-like compound (HTlcs). The conversion coating adheres well with the alloys, and provides excellent corrosion protection. In addition, corrosion inhibitive species were incorporated into the coating. The coating with inhibitors incorporated showed damage-responsive properties. The corrosion protection property of the conversion coating was further enhanced through applying a surface sealer. The coating has applicability in industrial heat exchangers that use reclaimed water.
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