Novel imitation electroplating powder coating and preparation method thereof
A technology of powder coating and imitation electroplating, which is applied in the direction of powder coating, anti-corrosion coating, polyester coating, etc., and can solve the problem of poor mechanical properties, wear resistance and impact resistance, uneven distribution of dark spots and shrinkage cavities, coating Dark gloss and other problems, to avoid uneven distribution of the coating surface, improve gloss, and good wear resistance
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Embodiment 1
[0048] (1) The alicyclic epoxy resin of 90 weight parts and the unsaturated polyester resin of 92 weight parts are repeatedly sliced to form granular mixed resin, then the mixed resin is mixed with the polydimethylsiloxane of 2 weight parts Mix at high speed at 44°C to obtain mixed resin A;
[0049] (2) Mix and grind mixed resin A with 60 parts by weight of polyvinyl acetal, 80 parts by weight of aromatic polycarbonate resin and 2.5 parts by weight of antioxidant until the particle size is 75um, and then Mix at high speed to obtain mixed resin B;
[0050] (3) the particle size of mixed resin B and 4 parts by weight triphenylphosphine, the particle size of 8 parts by weight is the soft kaolin of 5um, the benzoin of 3 parts by weight, the particle size of 7 parts by weight is the QL resin microsphere of 50um and 1 The high-gloss wax in parts by weight is mixed at a high speed at 55°C to obtain a mixed resin C;
[0051] (4) Melt the mixed resin C in a smelting tank and knead ...
Embodiment 2
[0054] (1) The cycloaliphatic epoxy resin of 83 parts by weight and the unsaturated polyester resin of 100 parts by weight are repeatedly sliced to form granular mixed resin, and then the diacetone alcohol of mixed resin and 1 weight part is at 46 ℃ Mix at high speed to obtain mixed resin A;
[0055] (2) Mix and grind mixed resin A with 72 parts by weight of polyvinyl acetal, 90 parts by weight of aromatic polycarbonate resin and 2 parts by weight of antioxidant until the particle size is 50um, and then Mix at high speed to obtain mixed resin B;
[0056] (3) the particle size of mixed resin B and 3 parts by weight triphenylphosphine, the particle size of 6 parts by weight is the soft kaolin of 8um, the benzoin of 5 parts by weight, the particle size of 5 parts by weight is the QL resin microsphere of 20um and 2.5 The high-gloss wax in parts by weight is mixed at a high speed at 60°C to obtain a mixed resin C;
[0057] (4) Melt the mixed resin C in a smelting tank and knead...
Embodiment 3
[0060] (1) The alicyclic epoxy resin of 98 parts by weight and the unsaturated polyester resin of 85 parts by weight are sliced several times to form granular mixed resin, and then the mixed resin and the acrylic resin of 3 parts by weight are mixed at a high speed at 42 ° C. Mix to obtain mixed resin A;
[0061] (2) Mix and grind mixed resin A with 54 parts by weight of polyvinyl acetal, 63 parts by weight of aromatic polycarbonate resin and 3 parts by weight of antioxidant until the particle size is 80um, and then Mix at high speed to obtain mixed resin B;
[0062] (3) the particle size of mixed resin B and 5 parts by weight of triphenylphosphine, 12 parts by weight of soft kaolin, 2 parts by weight of benzoin, the particle size of 8 parts by weight of QL resin microspheres of 80um and 0.5 High-gloss wax in parts by weight is mixed at a high speed at 50°C to obtain mixed resin C;
[0063] (4) Melt the mixed resin C in a smelting tank and knead it, then press it into tabl...
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Abstract
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