Alkaline scratch-free deplating solution and deplating method
A kind of deplating solution and alkaline technology, which is applied in the field of alkaline non-scratch deplating solution and deplating, which can solve the problems of poor penetration of deplating ink, fast chemical reaction, new scratches, etc., to protect the appearance transparency, Less environmental pollution, high yield rate of fading plating
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Embodiment 1～4
[0031] In terms of mass percentage, the stripping agent proportioning ratio is as follows: 25% industrial ammonia, 25% diethylene glycol dibutyl ether, 10% benzyl alcohol, 8% butyrolactone, 2.5% triethylene glycol, 12% JFC, and the balance It is water; the deplating temperature is 95°C, and the deplating time is 2min. Carry out deplating to the workpiece, observe whether its deplating effect is affected, and whether there is damage, bluishness, or fogging on the surface of the product. The results are shown in Table 1.
[0032] Wherein, the de-plated parts in Examples 1-2 are glass flakes whose surface is sprayed with AR protective oil; the de-plated parts in Embodiments 3-4 are glass flakes whose surface is screen-printed with AR protective oil.
[0033] Table 1 stripping results
[0034]
Embodiment 5～8
[0036] In terms of mass percentage, the stripping agent proportioning ratio is as follows: industrial ammonia 25%, diethylene glycol dibutyl ether 22%, benzyl alcohol 8%, butyrolactone 6%, triethylene glycol 2.0%, JFC 10%, the balance It is water; the deplating temperature is 95°C, and the deplating time is 3min. Carry out deplating to workpiece, observe whether its deplating effect has influence, whether there is damage to product surface, bluish, dull, the result is as shown in table 2.
[0037] Among them, the de-plated parts in Examples 5-6 are glass flakes whose surface is sprayed with AR protective oil; the de-plated parts in Embodiments 7-8 are glass flakes whose surface is screen-printed with AR protective oil.
[0038] Table 2 stripping results
[0039]
Embodiment 9～12
[0041] In terms of mass percentage, the stripping agent proportioning ratio is as follows: industrial ammonia 30%, diethylene glycol dibutyl ether 20%, benzyl alcohol 5%, butyrolactone 4%, triethylene glycol 2.0%, JFC 8%, the balance It is water; the deplating temperature is 95°C, and the deplating time is 4min. Carry out deplating to workpiece, observe whether its deplating effect has influence, whether there is damage to product surface, bluish, dull, the result is as shown in table 3.
[0042] Among them, the de-plated parts in Examples 9-10 are glass flakes whose surface is sprayed with AR protective oil; the de-plated parts in Examples 11-12 are glass flakes whose surface is screen-printed with AR protective oil.
[0043] Table 3 stripping results
[0044]
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