Gradient color spraying process
A gradient color and process technology, applied in coatings, polyester coatings, epoxy resin coatings, etc., can solve the problem of inconspicuous discoloration effects at different angles, and achieve vivid and full colors
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Embodiment 1
[0065] The substrate is made of mobile phone 3D glass, and the method of back spraying is adopted. The gradient color spraying process includes the following steps:
[0066] (1) Spray high-transparency blue paint, spray the entire surface first, and then reduce 1 / 2 of the sprayed area in turn for 2 layers of spraying. The thickness of the paint sprayed each time is 3 μm, thus forming a high-transparency from deep to shallow Blue effect, then put it in an oven to dry at 150°C for 5 minutes, and form a high-transparent blue paint layer after surface drying. Wherein, in parts by weight, the high transparency blue paint contains 40 parts of acrylic resin, 10 parts of blue color paste with a particle size of 200nm, and 50 parts of mixed solvent.
[0067] (2) Spray purple red to golden yellow chameleon paint, spray the whole surface of purple red to golden yellow chameleon paint on the surface of the high-transparent blue paint layer, the thickness of the sprayed paint is 6 μm, then...
Embodiment 2
[0072] The substrate is made of PC plastic board, which is sprayed on the back. The gradient color spraying process includes the following steps:
[0073](1) Spray high-transparency red paint, spray the entire surface first, and then reduce 1 / 2 of the sprayed area in turn for 2 layers of spraying. The thickness of the paint sprayed each time is 4 μm, thus forming a high-transparency from deep to shallow. Red effect, then put it in an oven to dry at 150°C for 5 minutes, and form a high-transparency red paint layer after surface drying. Wherein, in parts by weight, the highly transparent red paint contains 30 parts of polyester resin, 20 parts of red color paste with a particle size of 250nm, and 50 parts of mixed solvent.
[0074] (2) Spray the yellow-green chameleon paint, spray the whole surface of the yellow-green chameleon paint on the surface of the high-transparency red paint layer, the thickness of the sprayed paint is 7 μm, then put it in an oven and dry it at 150°C for...
Embodiment 3
[0079] The base material is a stainless steel thermos cup, which is sprayed on the front. The gradient color spraying process includes the following steps:
[0080] (1) Spray bright black paint, then spray the entire surface of bright black paint on the front of the substrate, the thickness of the sprayed paint is 10 μm, and then put it in an oven to dry at 150°C for 5 minutes, and form a bright black paint layer after surface drying. Wherein, by weight, the bright black paint contains 68 parts of acrylic resin, 22 parts of carbon black powder with a particle size of 7 μm, and 10 parts of mixed solvent.
[0081] (2) Spray the red-to-gold chameleon paint, spray the red-to-gold chameleon paint on the surface of the bright black paint layer, the thickness of the sprayed paint is 7 μm, and then put it in an oven and dry it at 150°C for 5 minutes, and form after surface drying Layers of chameleon paint. The red-to-gold chameleon paint contains 75 parts of polyester resin, 10 parts...
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