Polishing solution for replacing copper pickling process to teat copper and copper alloy surface
A technology of polishing liquid and copper alloy, which is applied in the field of metal surface treatment chemical polishing, can solve the problems of unstable brightness, over-corrosion, damage, etc., and achieve the solution of unstable copper pickling quality and the generation of nitrogen oxides The effect of labor efficiency
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[0014] Example 1
[0015] A polishing solution for treating copper and copper alloy surfaces instead of the copper pickling process. In terms of mass percentage, the polishing solution consists of the following components: potassium persulfate 5%, phytic acid 1%, potassium iodate 1%, The molecular weight is 2000 polyacrylamide 0.01%, oleic acid triethanolamine 0.5%, tetramethylammonium hydroxide 3%, surfactant coconut oil fatty acid diethanolamide 0.1%, complexing agent 0.1%, nonylphenol polyoxyethylene Ether is 0.5%, and the balance is deionized water; the complexing agent is tetrasodium hydroxyethylidene diphosphonate and a commercially available FA / O complexing agent in a weight ratio of 1:1.
Example Embodiment
[0016] Example 2
[0017] A polishing solution for treating copper and copper alloy surfaces instead of copper pickling process. The polishing solution is composed of the following components in terms of mass percentage: ammonium persulfate 10%, phytic acid 5%, potassium iodate 3%, The molecular weight is 10000 polyacrylamide 2%, oleic acid triethanolamine 2%, tetramethyl ammonium hydroxide 10%, surfactant coconut oil fatty acid diethanolamide 1%, complexing agent 3%, brightener plus 1%, The balance is deionized water; the complexing agent is tetrasodium hydroxyethylidene diphosphonate and a commercially available FA / O complexing agent in a weight ratio of 1:2.
Example Embodiment
[0018] Example 3
[0019] A polishing solution for treating copper and copper alloy surfaces instead of copper pickling process. In terms of mass percentage, the polishing solution is composed of the following components: sodium persulfate 8%, phytic acid 3%, potassium iodate 2%, The molecular weight is 5000 polyacrylamide 0.08%, oleic acid triethanolamine 1%, tetramethylammonium hydroxide 6%, surfactant coconut oil fatty acid diethanolamide 0.5%, complexing agent 1.5%, brightener aminoazole 0.7%, The balance is deionized water; the complexing agent is tetrasodium hydroxyethylidene diphosphonate and a commercially available FA / O complexing agent in a weight ratio of 1:1.2.
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