Clean-type metal surface treatment agent
A metal surface treatment and cleaning technology, applied in the direction of metal material coating process, etc., can solve the problems of local corrosion and increase of corrosion current density, and achieve the effect of preventing metal corrosion, slowing electrode reaction and enhancing stability.
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[0016] Example 1:
[0017] A clean metal surface treatment agent, which is composed of the following parts by weight of raw materials:
[0018] Propionamide 0.2, glycerol 2-3, sericin 4-6, yttrium nitrate hexahydrate 0.05, silane coupling agent KH-550 0.4, water 200, 2,6-di-tert-butyl-p-cresol 0.2, potassium hydroxide 0.02 , Triisopropanolamine 6, Didecyldimethylammonium bromide 0.7, p-toluenesulfonyl hydrazide 0.13, disodium hydrogen phosphate 2.
[0019] A preparation method of a clean metal surface treatment agent includes the following steps:
[0020] (1) Take sericin, add 60% of the above water weight, stir evenly, add silane coupling agent KH-550, yttrium nitrate hexahydrate, stir and disperse at 1000 rpm for 20 minutes to obtain silane liquid;
[0021] (2) Take potassium hydroxide, add 70% of the remaining water weight, add p-toluenesulfonyl hydrazide, stir evenly, add triisopropanolamine, keep stirring at 80℃ for 15 minutes, cool to room temperature, add silane liquid, 400 Sti...
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