UV-curable colored paint composition
A technology of colored coatings and compositions, applied in the field of UV curable colored coating compositions, which can solve the problems of energy consumption, time-consuming, semi-drying, etc., and achieve the effects of high production efficiency, low cost, and low energy consumption
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Example Embodiment
[0077] Example 1
[0078] Table 1
[0079]
[0080] Add the diluent (butyl acetate / toluene / ethylene glycol monobutyl ether = 2 / 2 / 1 (volume ratio)) to the composition obtained above for about 10 seconds, and spray it on the plastic substrate with an air spray gun. Then, pre-bake for 5-10 minutes in an oven at 60℃, and then use a medium-pressure mercury lamp (800mJ / cm 2 ) Perform exposure. Then, the substrate with the coating film after the exposure is tested for physical properties.
[0081] The physical test results are as follows:
[0082] The coating film forms a 12-20μm coating film
[0083] Adhesion of coating film and substrate: 100 / 100
[0084] Coating film hardness: ≥H
[0085] Film gloss: 65
[0086] Heat resistance of coating film: pass (no crack or peeling in appearance)
[0087] Appearance: flat, with black semi-dull effect.
Example Embodiment
[0088] Example 2
[0089] Table 2
[0090]
[0091] Add the diluent (butyl acetate / toluene / ethylene glycol monobutyl ether = 2 / 2 / 1 (volume ratio)) to the composition obtained above for about 10 seconds, and spray it on the plastic substrate with an air spray gun. Then, pre-bake for 5-10 minutes in an oven at 60℃, and then use a medium-pressure mercury lamp (800mJ / cm 2 ) Perform exposure. Then, the substrate with the coating film after the exposure is tested for physical properties.
[0092] The results of physical testing are as follows:
[0093] The coating film forms a coating film of 10-15μm
[0094] Adhesion of coating film and substrate: 100 / 100
[0095] Coating film hardness: ≥H
[0096] Film gloss: 85
[0097] Heat resistance of coating film: pass (no crack or peeling in appearance)
[0098] Appearance: flat, with pearl semi-gloss effect.
Example Embodiment
[0099] Example 3
[0100] table 3
[0101]
[0102] Add the diluent (butyl acetate / toluene / ethylene glycol monobutyl ether = 2 / 2 / 1 (volume ratio)) to the composition obtained above for about 10 seconds, and spray it on the plastic substrate with an air spray gun. Then, pre-bake for 5-10 minutes in an oven at 60℃, and then use a medium-pressure mercury lamp (800mJ / cm 2 ) Perform exposure. Then, the substrate with the coating film after the exposure is tested for physical properties.
[0103] The results of physical testing are as follows:
[0104] The coating film forms a 20-25μm coating film
[0105] Adhesion of coating film and substrate: 100 / 100
[0106] Coating film hardness: ≥HB
[0107] Film gloss: 90
[0108] Heat resistance of coating film: pass (no crack or peeling in appearance)
[0109] Appearance: flat, with blue full light effect.
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