Plastic part coating process of electric vehicle
A coating process and technology for plastic parts, applied in the direction of surface coating liquid devices, coatings, pre-treated surfaces, etc., can solve the problems of cumbersome coating process, low production efficiency, and high cost of coating process, and achieve reduction Effect of coating cost, reduction of coating process, and improvement of coating quality
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Embodiment 1
[0025] A coating process for plastic parts of an electric vehicle, comprising the following process steps,
[0026] 1) Pretreatment before painting
[0027] Clean the oil and dust on the surface of plastic parts, and make the surface of plastic parts smooth by sanding and grinding, which is easy for coating;
[0028] 2) Spray primer for the first time
[0029] Preparation of primer: primer consists of 30 parts of vegetable glue, 1 part of UV protection agent, 1 part of graphene, 5 parts of tert-butanol, 1 part of antioxidant, 1 part of dispersant, 2 parts of methyl silicone oil, modified corn starch 2 parts, 1 part of emulsifier, 10 parts of natural rubber, 1 part of asphalt, 1 part of stearic acid and 0.5 parts of nano-silicon carbide. Put each component into a kneader and knead evenly, heat at 130-180 ° C Mix for 3-5 hours to make primer;
[0030] Primer spraying: use spraying equipment to spray the primer on the surface of the plastic parts, the spraying thickness is 30±...
Embodiment 2
[0040] A coating process for plastic parts of an electric vehicle, comprising the following process steps,
[0041] 1) Pretreatment before painting
[0042] Clean the oil and dust on the surface of plastic parts, and make the surface of plastic parts smooth by sanding and grinding, which is easy for coating;
[0043] 2) Spray primer for the first time
[0044] Preparation of primer: primer consists of 30 parts of vegetable glue, 1 part of UV protection agent, 1 part of graphene, 5 parts of tert-butanol, 1 part of antioxidant, 1 part of dispersant, 2 parts of methyl silicone oil, modified corn starch 2 parts, 1 part of emulsifier, 10 parts of natural rubber, 1 part of asphalt, 1 part of stearic acid and 0.5 parts of nano-silicon carbide. Put each component into a kneader and knead evenly, heat at 130-180 ° C Mix for 3-5 hours to make primer;
[0045] Primer spraying: Use spraying equipment to spray the primer on the surface of the plastic parts, the spraying thickness is 30±...
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