Decorative board processing method
A processing method and technology for decorative panels, which are applied in the fields of decorative panels for decoration and furniture materials, can solve the problems of lack of brightness on the surface of PVC laminated decorative panels, poor surface effect of melamine veneer, low surface hardness and no scratch resistance, etc. To achieve the effect of bright and rich colors, excellent environmental protection performance, and improved production efficiency
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[0035] Example 1: UV finishing process of decorative board sticker pattern
[0036] First use a belt sander (effective sanding width greater than 1250mm) with 150#+240# two sanding units to fully sand the unattached side of the single-sided melamine decorative board, and achieve a smooth and smooth surface . Use a glue applicator or roller to evenly apply white latex on the sanded side. The amount of white latex is 50g per square meter. Immediately attach the cut decorative paper to the surface of the board without any wrinkles and bubbles, and then place the pasted board. Press in the adjusted hot press for 5 minutes, the temperature of the hot press is 40 degrees Celsius, and the pressure is 100 bar. After an interval of 15 hours, spray the transparent resin varnish on the paper surface, let the varnish penetrate the paper and cure naturally. After it is fully cured, sand it with a white clean cloth, and do not break the paper surface. Adjust the UV assembly line, send the polis...
Example Embodiment
[0037] Example 2: UV finishing process of decorative board PU solid color.
[0038] a. Stick coating process to coat PU color paint;
[0039] First, use a belt sander (effective sanding width greater than 1250mm) with 150#+240# two sanding units to fully sand one side of the double-sided melamine decorative board, and to achieve a smooth and smooth level. On the sanded side, use a PU stick coater to divide the PU color paint into three times, 70 grams per square meter each time, and apply the PU varnish again after the color paint is fully surface-dried (25°C, 4 hours) 100 grams per square meter. Go to C.
[0040] b. Spraying process to coat PU color paint;
[0041] First, use a belt sander (effective sanding width greater than 1250mm) with 150#+240# two sanding units to fully sand one side of the double-sided melamine decorative board, and to achieve a smooth and smooth level. On the sanded side, use a spray gun to evenly coat the PU color paint at 250 grams per square meter. Aft...
Example Embodiment
[0043] Example 3: UV finishing process of decorative board PU metallic color.
[0044] First, use a belt sander (effective sanding width greater than 1250mm) with 150#+240# two sanding units to fully sand one side of the double-sided melamine decorative board, and to achieve a smooth and smooth level. On the sanded side, use a spray gun to evenly coat the PU metallic paint at 450 grams per square meter. After the metallic paint is fully surface-dried (25°C, 4 hours), spray 100 grams of PU varnish per square meter again. Put it for 12 hours until it is completely cured and then sand it with 320# sandpaper, adjust the UV line, clean the sanded board and send it to the roller coater, and apply 10g of UV primer per square meter with the drenching roller technology before entering Flow coater, coat 80g UV primer, adjust the oil temperature, oil pump, and transmission speed according to the paint manufacturer's model. After 5 minutes of natural leveling, it will enter the UV curing mach...
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