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US08216352B2 Non-chromate corrosion inhibitor formulas based on highly crystalline hydrotalcite analogs 有权
基于高结晶水滑石类似物的非铬酸盐腐蚀抑制剂配方

Non-chromate corrosion inhibitor formulas based on highly crystalline hydrotalcite analogs
Abstract:
A mixture of Zinc Oxides or Hydroxides with Aluminum Hydroxides and Vanadium Oxide (V2O5) co-reacts in high temperature aqueous slurry to form highly crystalline forms of Hydrotalcite, containing the Decavanadate ion as a source of corrosion inhibition. The subject compositions, free of hexavalent chromium, are highly effective in providing blister-free corrosion prevention in typical coil and aerospace grade epoxy primer and color coat combinations.
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