Manufacturing method of aliphatic urethane acrylate resins containing diol, photo-curable coating composition for light guide plate
A polyurethane acrylate, acrylate technology, applied in the direction of polyurea/polyurethane coatings, coatings, flat/plate-shaped light guides, etc., can solve the problems of low antistatic performance, low antistatic ability, pollution, etc., and achieve high antistatic effect of ability
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Embodiment 1
[0098] Embodiment 1: the synthesis of polyurethane acrylate oligomer (HUA-01)
[0099]150 g of isophorone diisocyanate and 360 g of hydrogenated polybutadiene diol represented by the following chemical formula having a molecular weight of 2,100 were charged into a four-necked flask, 0.1 g of hydroquinone was added thereto as a polymerization inhibitor, and then The mixture was stirred at room temperature for about 60 minutes. Then, the temperature was raised to about 70° C. and the reaction was performed for 2 hours. 100 g of caprolactone acrylate and 0.1 g of dibutyltin dilaurate as a catalyst were mixed and added dropwise over 1 hour. After the dropwise addition was complete, the reaction was carried out for 2 hours, and then 60 g of hydroxypropyl acrylate were added dropwise for 30 minutes. Thereafter, after 1 hour of reaction, infrared spectroscopy showed that the isocyanate peak had disappeared.
[0100]
manufacture example 1
[0101] Production Example 1: Production of Final Formulation Composition
[0102] 3 g of Irgacure 184 and 0.1 g of Irgacure 1010 were added as photopolymerization initiators to 20 g of diluted monomer IBOA and 20 g of THFA, and the mixture was stirred at room temperature for 30 minutes. After complete dissolution, 60 g of synthetic urethane acrylate HUA-01 was added, and the mixture was stirred for 30 minutes to prepare a composition.
manufacture example 2
[0103] Production example 2: Production of transparent resin sheet for light guide plate
[0104] A silicone sheet (2 mm) having a rectangular hollow cavity having dimensions of 100 cm in width and 100 cm in length was placed on a release agent-coated glass plate, and the composition prepared in Production Example 1 was injected at a height of 2 mm, and then At 1,000mJ / cm by using a UV curing device equipped with a high-pressure mercury lamp and a metal halide lamp 2 UV light is irradiated to be cured to prepare a transparent resin sheet for a light guide plate.
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