High-imitation electroplating bonding silver powder paint and preparation method thereof
A technology imitating electroplating and silver powder, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of smoothness, clarity, low brightness, etc., achieve high smoothness, excellent mechanical properties, and improve the effect of surface tension
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preparation example Construction
[0026] The embodiment of the present invention also provides a method for preparing a high imitation electroplating bonding silver powder coating, comprising the following steps:
[0027] S1. Weighing ingredients: Weigh carboxyl-terminated polyester resin and isocyanate triglycidyl ester in parts by weight
[0028] Silicone resins, terpene resins, polyacrylates, benzoins and optical brighteners.
[0029] S2. Pre-mixing: Put the weighed raw materials into a high-speed mixer and mix them evenly. The temperature in the high-speed mixer is set at 45-55°C.
[0030] S3. Melt extrusion: put the mixed and stirred raw materials into a screw extruder to melt and homogenize, and extrude and tablet into semi-finished products.
[0031] S4. Grinding: put the semi-finished product into a grinder and grind it into a powder with an average particle size of 25-40 μm.
[0032] S5. Bonding: The powdery semi-finished product is first separated from the ultrafine powder by the separator, and the...
Embodiment 1
[0036] A high imitation electroplating bonding silver powder coating, its raw materials include the following components in parts by weight: 85 parts of carboxyl-terminated polyester resin; 7.5 parts of triglycidyl isocyanate; 12.5 parts of silicone resin; 7.5 parts of terpene resin; 2 parts of polyacrylate; 0.5 part of benzoin; 0.75 part of fluorescent whitening agent, 1.5 part of bonding agent, 0.8 part of coated aluminum powder, and prepared according to the following steps:
[0037] S1. Weighing ingredients: Weigh carboxyl-terminated polyester resin and isocyanate triglycidyl ester in parts by weight
[0038] Silicone resins, terpene resins, polyacrylates, benzoins and optical brighteners.
[0039] S2. Pre-mixing: Put the weighed raw materials into a high-speed mixer and mix them evenly. The temperature in the high-speed mixer is set at 45-55°C.
[0040] S3. Melt extrusion: put the mixed and stirred raw materials into a screw extruder to melt and homogenize, and extrude a...
Embodiment 2
[0046] A high imitation electroplating bonding silver powder coating, its raw materials include the following components in parts by weight: 80 parts of carboxyl-terminated polyester resin; 6 parts of triglycidyl isocyanate; 10 parts of silicone resin; 5 parts of terpene resin; 1 part of polyacrylate; 0.3 part of benzoin; 0.5 part of fluorescent whitening agent, 1 part of bonding agent, and 0.6 part of coated aluminum powder. The preparation method is the same as in Example 1.
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