Potassium chloride acidic galvanizing electroplating solution and application thereof
An acid galvanizing and electroplating solution technology, applied in the field of metal corrosion protection and surface treatment, can solve the problems of decreased dispersion ability of the plating solution, poor electrical conductivity, increased electric energy expenditure, etc., and achieve excellent positioning and filling performance, current density Wide range, the effect of reducing chloride ion concentration
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Embodiment 1
[0040] Embodiment 1: the preparation of electroplating solution base liquid
[0041] In the electroplating tank, add 40L of water, then slowly add 3.5kg of zinc chloride and 1.5kg of potassium chloride under strong stirring conditions, and stir until the solids are completely dissolved; take another 20L of deionized water, heat it to 90°C, and Slowly pour 3kg of boric acid into deionized water while stirring, and stir until all the solids are dissolved to obtain a boric acid solution; then pour the boric acid solution into the electroplating tank and mix evenly; pH value, use 10wt.% hydrochloric acid or 10wt.% potassium hydroxide to adjust the electroplating solution to a suitable pH value to obtain the electroplating solution base solution, which can be used for trial plating after electrolysis with a small current.
Embodiment 2
[0042] Embodiment 2: prepare brightener I
[0043] Add 30kg of Gulbert cetyl alcohol polyoxyethylene ether (21) sodium chloropropanesulfonate into the stirring tank, raise the temperature to 40°C, start stirring, then add 15kg of benzylidene acetone, and the benzylidene acetone is in the process of heating up and stirring Will gradually melt and dissolve, continue to stir until the above materials are mixed evenly, then add 55kg of deionized water to the stirring tank, continue to keep warm and stir until a uniform solution is formed, and then discharge after cooling down to room temperature to obtain 100kg of brightener I.
Embodiment 3
[0044] Embodiment 3: prepare brightener II
[0045] The preparation method is the same as in Example 2, and the difference is that the feeding amount of each component is: 25kg Gulbert cetyl alcohol polyoxyethylene ether (15) sodium chloropropanesulfonate, 15kg benzylidene acetone and 60kg deionized water, Obtain 100kg brightener II.
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