| 摘要 |
<p>PURPOSE: An optical adhesive composition is provided to prevent bleed-out phenomenon due to generation of impurities and curing degree loss due to oxygen degradation of a radical initiation system. CONSTITUTION: An optical adhesive composition comprises a polyfunctional urethane acrylate-based oligomer, a (meth)acrylate monomer, a photopolymerization initiator, and hindered amine-based photostabilizing agent. The hindered amine photostbilizing agent is represented by chemical formula 1. In chemical formula 1, R1, R2, R3, R4, and R5 is independently hydrogen or C1-6 alkyl group; R6 is hydrogen or methyl group. An adhesive film includes a transparent substrate film; and an adhesive which is a cured material of an adhesive composition formed on one side of the transparent substrate film.</p> |
