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    • 90. 发明公开
    • 아크릴계 공중합체 및 이를 포함하는 광학필름
    • 基于丙烯酸的共聚物和包含它的光学膜
    • KR1020110138686A
    • 2011-12-28
    • KR1020100058716
    • 2010-06-21
    • 주식회사 엘지화학
    • 강병일한창훈
    • C08F220/18C08L33/06C08J5/18G02B5/30
    • C08F22/10C08F220/18C08J5/18C08J2333/06G02B5/3083G02F1/13363
    • PURPOSE: An acryl-based copolymer is provided to obtain an acryl-based copolymer resin with excellent heat resistance and strength, a resin compostion comprising the same, and an optical film with excellent heat resistance, strength, and optical transparency. CONSTITUTION: An acryl-based copolymer comprises alkyl (meta) acrylate-based monomer, (meta) acrylate-based monomer, and tert-butyl (meta) acrylate-based monomer. The (meta) acrylate-based monomer comprises alicyclic and/or aromatic ring. The carbon number of alkyl (meta) acrylate-based monomer is 1-10. The alkyl (meta) acrylate-based monomer is methyl (meta) acrylate. The (meta) acrylate-based monomer is cycloalkyl (meta) acrylate-based monomer or aryl (meta) acrylate-based monomer. The carbon number of the cycloalkyl group of the cycloalkyl (meta) acrylate-based monomer is 4-12. The carbon number of the aryl (meta) acrylate-based monomer is 6-12.
    • 目的:提供一种丙烯酸类共聚物以获得耐热性和强度优异的丙烯酸类共聚物树脂,含有该丙烯酸类共聚物树脂的树脂组合物和具有优异的耐热性,强度和光学透明性的光学膜。 构成:丙烯酸类共聚物包含(甲基)丙烯酸烷基酯单体,(甲基)丙烯酸酯类单体和(甲基)丙烯酸叔丁酯类单体。 (甲基)丙烯酸酯类单体包括脂环族和/或芳香环。 (甲基)丙烯酸烷基酯单体的碳数为1-10。 (甲基)丙烯酸烷基酯单体是(甲基)丙烯酸甲酯。 (甲基)丙烯酸酯类单体是环烷基(甲基)丙烯酸酯类单体或芳基(甲基)丙烯酸酯类单体。 环烷基(甲基)丙烯酸酯类单体的环烷基的碳数为4〜12。 芳基(甲基)丙烯酸酯类单体的碳数为6-12。