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    • 6. 发明申请
    • RESIN COMPOSITION FOR URETHANE OPTICAL LENS HAVING EXCELLENT THERMAL RESISTANCE AND REACTIVITY
    • 具有优异耐热性和反应性的URETHANE光学透镜的树脂组合物
    • WO2010128770A3
    • 2011-03-10
    • PCT/KR2010002664
    • 2010-04-28
    • KOC SOLUTION CO LTDJANG DONG GYUROH SOO GYUNKIM JONG HYOJIN WEN YISEO JIN MOO
    • JANG DONG GYUROH SOO GYUNKIM JONG HYOJIN WEN YISEO JIN MOO
    • C08L75/04C08L67/04G02B1/10G02B5/30
    • C08G18/758C08G18/3876C08G18/755G02B1/043G02B5/30C08L75/00
    • The present invention relates to a resin composition for a plastic optical lens, and more specifically to a resin composition for a urethane optical lens having high thermal resistance and high reactivity. The resin composition for an optical lens of the present invention uses an optical resin prepolymer which is obtained from a preceding side reaction of a mercapto compound and a -SH/-NCO of isophorone diisocyanate or dicyclohexylmethanediisocyanate in appropriate mole ratios. The use of isophorone diisocyanate or dicyclohexylmethanediisocyanate results in enhancement of the thermal resistance of the optical lens, and the use of optical resin prepolymer at 20~70 weight % of the total weight of the resin composition for the optical lens, elutes the adhesive from adhesive tape due to lowered reactivity which results in a higher temperature reaction thereby resolving the problems of whitening phenomenon and foaming which occur on the edge of the lens due to a leak of the liquid composition when the reaction temperature increases.
    • 本发明涉及一种塑料光学透镜用树脂组合物,更具体地说涉及具有高耐热性和高反应性的聚氨酯光学透镜用树脂组合物。 本发明的光学透镜用树脂组合物使用由巯基化合物和异佛尔酮二异氰酸酯的-SH / -NCO与二环己基甲烷二异氰酸酯的适当摩尔比得到的光学树脂预聚物。 异佛尔酮二异氰酸酯或二环己基甲烷二异氰酸酯的使用导致光学透镜的热阻增强,光学树脂预聚物在光学透镜用树脂组合物总重量的20〜70重量%的情况下使用粘合剂 由于反应性降低导致更高的温度反应,从而解决了当反应温度升高时由于液体组合物的泄漏而在镜片边缘发生的美白现象和起泡问题。