A kind of uv radiation curable coating for recoatable plastics and its production method and application method
A technology of radiation curing and production method, applied in polyurea/polyurethane coatings, coatings, devices for coating liquids on surfaces, etc. Effect
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Embodiment 1
[0032] The production method of UV radiation curing paint for recoatable plastics comprises the steps:
[0033] (1) Weigh the raw materials according to the content of each component in Table 1; the mixed solvent is composed of butanone: n-butanol: ethyl acetate = 60: 15: 25 by weight ratio.
[0034] (2) Mixing and dispersion of resin monomers: take a clean paint tank, mix four-functional aliphatic urethane acrylate resin, difunctional urethane acrylate resin, trimethylolpropane trimethacrylate, 1,6-hexanediol Add the bisacrylate into the paint tank, and stir with a high-speed disperser at a speed of 1200-1500rpm for 8-15 minutes;
[0035] (3) Photoinitiator dissolution: Mix 1-hydroxy-cyclohexyl-phenyl ketone, 2,4,6 (trimethylbenzoyl) diphenylphosphine oxide with a mixed solvent, and use a high-speed disperser to Stir at a speed of 500-600rpm until completely dissolved, filter with a 500-mesh filter, and set aside; by weight ratio, 1-hydroxy-cyclohexyl-phenyl ketone and 2,4,6...
Embodiment 2
[0045] The content of each component is shown in Table 1, and the production method and usage method are shown in Example 1.
Embodiment 3
[0047] The content of each component is shown in Table 1, and the production method and usage method are shown in Example 1.
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