Pressure-sensitive adhesive compositions, protective films for polarizer, polarizers and liquid cr

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PURPOSE : A pressure-sensitive adhesive composition is provided to exhibit excellent durability and reliability under high-temperature and/or high-humidity conditions, and excellent workability related to a cutting process and a re-peeling process, and to specifically prevent light leakage in a liquid crystal display even when the adhesive composition is applied to a film having a lower photoelastic coefficient.CONSTITUTION : A pressure-sensitive adhesive composition satisfies the following chemical formula 1 : ΔX Δ 2 nm. In chemical formula 1, ΔX is a face direction phase difference(Rin) measured by the following chemical formula (nx-ny) × d when a sheet-like adhesive manufactured by using an adhesive composition extends in a vertical direction of the sheet surface at 23 °C.COPYRIGHT KIPO 2010