A kind of hot-dip galvanizing flux and method
A technology of plating flux and hot-dip galvanizing, which is applied in hot-dip plating process, coating, metal material coating process, etc., and can solve problems such as missed plating on the surface of test pieces
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Embodiment 1
[0026] Embodiment 1: a kind of plating flux formula of hot-dip galvanized zinc-aluminum-nickel rare earth alloy, every 500g deionized water adds following components:
[0027] ZnCl 2 : 80g
[0028] NH 4 Cl: 27g
[0029] Surfactant: 3 g cetyltrimethylammonium bromide (CTAB)
[0030] Silane coupling agent KH560: 7mL
[0031] Ethanol: 130mL
[0032] For the preparation of plating flux, each component takes the formula amount: take deionized water, add ethanol, place in a magnetic stirrer and stir evenly, the system temperature is 60°C during stirring; add 36% acetic acid dropwise to adjust the pH of the system at 3 Slowly add KH560 and hexadecyltrimethylammonium bromide between ~4, and continue to stir for 1~2 hours until a uniformly mixed solution is obtained. The system temperature is 60°C during stirring; all the chloride salts in the formula ( ZnCl 2 and NH 4 Cl) was added into the solution, and the stirring was continued for about 30 minutes to completely dissolve th...
Embodiment 2
[0040] Embodiment 2: a kind of plating flux formulation of hot-dip galvanized zinc-aluminum-nickel rare earth alloy, every 500g deionized water adds following components:
[0041] ZnCl 2 : 80g
[0042] NH 4 Cl: 40g
[0043] SnCl 2 2H 2 O: 32.5g
[0044] KCl: 15g
[0045] Surfactant: 3 g cetyltrimethylammonium bromide (CTAB)
[0046] Silane coupling agent KH560: 7mL
[0047] Ethanol: 120mL
[0048] The preparation of plating flux and the procedure of hot-dip plating process are the same as in Example 1.
Embodiment 3
[0049] Embodiment 3: a kind of plating flux formulation of hot-dip galvanized zinc-aluminum-nickel rare earth alloy, every 500g deionized water adds following components:
[0050] ZnCl 2 : 80g
[0051] NH 4 Cl: 53g
[0052] KCl: 15g
[0053] CaCl 2 : 19g
[0054] Surfactant: 3 g cetyltrimethylammonium bromide (CTAB)
[0055] Silane coupling agent KH560: 7mL
[0056] Ethanol: 140mL
[0057] The preparation of plating flux and the procedure of hot-dip plating process are the same as in Example 1.
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