A kind of dip-coating method of shell protective layer
A technology of protective layer and shell, applied in the field of dip coating of shell protective layer, can solve the problems of inability to adopt dip coating process, low transfer rate of raw materials, waste of raw materials, etc., so as to avoid mixing of paint and air and solve transfer rate problems. Not high enough to solve the effect of leveling
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[0043] A mobile phone case and a metal jig matching the shape of the inner space of the mobile phone case are provided. The side wall of the jig is compounded with a 2mm thick silicone material.
[0044] Put the above-mentioned jig into the shell, and hang the shell with the dip-coating handle. Then wash with water, detergent, and deionized water in sequence. Then perform IPA cutting and strengthening in turn. The lifting strengthening uses the organic silicon waterproof coating as the dipping liquid, the ethylene glycol as the diluent, and the immersion time is 5 minutes. After the water is pulled out, the dipping liquid is attached to the outer surface of the shell, and the coating of the dipping liquid is evenly distributed.
[0045] Then, the shell is pre-baked and UV cured in sequence to obtain a shell protective layer. The protective layer is smooth and flat, without traces and dripping.
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