Method for preparing light-resistant paint
A coating and light resistance technology, which is applied in the field of coating manufacturing, can solve the problems of paint peeling, light resistance performance to be improved, easy to decompose, etc., and achieve the effect of improving light resistance performance
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Embodiment 1
[0014] This light-resistant coating comprises the following preparation steps:
[0015] First mix 1.7kg rosin, 1.0kg safflower oil, 0.6kg petroleum and 2.0kg deionized water with a conductivity less than 5μS / cm, and heat to 105°C and stir for 2 hours; Under the ultrasonic condition of 50Khz, add 10.0kg epoxy resin, 0.3kg cardanol, 0.6kg zirconia, 0.015kg sulfur and 2.6kg pigment for ultrasonication for 45 minutes, and at the same time irradiate with ultraviolet light; finally, the obtained substance Grind to particle size ≤ 10 nm.
[0016] The coating prepared in this embodiment has good light fastness, and its light fastness reaches grade 5 or above.
Embodiment 2
[0018] This light-resistant coating comprises the following preparation steps:
[0019] First mix 2.0kg rosin, 0.6kg safflower oil, 1.0kg petroleum and 1.5kg deionized water with conductivity less than 5μS / cm, and heat to 110°C and stir for 1 hour; then, at ultrasonic power of 80W, ultrasonic frequency Under the ultrasonic condition of 50Khz, add 10.0kg epoxy resin, 0.1kg cardanol, 0.8kg zirconia, 0.01kg sulfur and 3.0kg pigment for ultrasonication for 60 minutes, and at the same time irradiate with ultraviolet light; finally, the obtained substance Grind to particle size ≤ 10 nm.
[0020] The coating prepared in this embodiment has good light fastness, and its light fastness reaches grade 5 or above.
Embodiment 3
[0022] This light-resistant coating comprises the following preparation steps:
[0023] First mix 1.5kg rosin, 0.7kg safflower oil, 0.9kg petroleum and 1.8kg deionized water with conductivity less than 5μS / cm, and heat to 105℃ and stir for 3 hours; then, at ultrasonic power of 80W, ultrasonic frequency Under the ultrasonic condition of 50Khz, add 10.0kg epoxy resin, 0.5kg cardanol, 0.5kg zirconia, 0.02kg sulfur and 2.0kg pigment for ultrasonication for 30 minutes, and at the same time irradiate with ultraviolet light; finally, the obtained substance Grind to particle size ≤ 10 nm.
[0024] The coating prepared in this embodiment has good light fastness, and its light fastness reaches grade 5 or above.
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