FILM

• Main Authors: TABATA HISANORI, YOSHIDA MINORU, KONO SACHIKAZU
• Format: Patent
• Language: English; Japanese
• Published: 10.05.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

PROBLEM TO BE SOLVED: To provide a film for producing an optical film usable as a base material for realizing the production of an optical film in which productivity is high and the physical properties in the axial direction in the main orientation are uniform.SOLUTION: Provided is a film characterized in that the variation (dA) in the peak area of 4.95±0.25 eV at the energy position of a vibrator measured by an ellipsometer is 0.001 to 0.200.SELECTED DRAWING: Figure 1 【課題】 本発明の課題は、生産性が高く、主配向軸方向の物性が均一な光学用フィルムの製造を実現するための基材として用いることができる光学用フィルム製造用フィルムを提供することを課題とする。【解決手段】 エリプソメーターにより測定した、振動子のエネルギー位置４．９５±０．２５ｅＶのピーク面積のばらつき（ｄＡ）が、０．００１以上０．２００以下であることを特徴とする、フィルム。【選択図】図１