Optical resin composition, and high-impact-resistance transparent optical resin and preparation method thereof

• Main Authors: XIE YU, WANG KAI, GAO YANSHENG, LIU ZHENDONG, LUO JIANXUN, BA LONGHAN
• Format: Patent
• Language: Chinese; English
• Published: 20.11.2020
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses an optical resin composition, and a high-impact-resistance transparent optical resin and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing a polyisocyanate compound and an auxiliary agent, then adding an epoxy small molecule compound, and irradiating for 0.5-1.5 hours under ultraviolet light; then adding a hydroxyl compoundinto the obtained solution, and reacting for 1-3 hours; and adding a sulfydryl-terminated alicyclic polyisocyanate prepolymer, uniformly mixing, filtering, defoaming, injecting into a mold, polymerizing, and demolding to obtain the optical resin. The optical resin prepared by adopting the method disclosed by the invention has the performance characteristics of no white turbidity and stripe defects, high light transmittance and high impact resistance. 本发明公开了一种光学树脂组合物及高耐冲击透明光学树脂及其制备方法。将多异氰酸酯化合物和助剂混合均匀，然后加入环氧小分子化合物，在紫外光下照射0.5～1.5h；然后向所得溶液中加入羟基化合物，反应1～3h；然后再加入巯基封端的脂环族多异氰酸酯预聚物，混合均匀，然后经过滤，脱泡，注入模具，聚合，脱模后得到光学树脂。采用本发明的方法制备的光学