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    • 92. 发明公开
    • 위상차 필름 및 이를 포함하는 액정 표시 장치
    • 延迟膜和包含SAMES的液晶显示
    • KR1020100038066A
    • 2010-04-12
    • KR1020090093875
    • 2009-10-01
    • 주식회사 엘지화학
    • 강병일한창훈이찬홍이대우
    • G02F1/13363G02F1/1335G02B5/30C08J5/18
    • G02B5/32G02B5/3083G02F1/13363
    • PURPOSE: A retardation film and a liquid crystal display device including the same are provided to reduce the change of a retardation value due to external stress by controlling an optical elastic coefficient using the retardation film. CONSTITUTION: A retardation film comprises an acrylate-based copolymer resin, the resin, and acryl-based impact reinforcement agent. The acrylate-based copolymer resin comprises alkyl methacrylate-based monomer and (meta)acrylic monomer. The (meta)acrylic monomer includes alicyclic ring or aromatic ring. The resin includes aromatic ring or aliphatic ring in polymer main chain. The alkyl methacrylate-based monomer is methyl methacrylate or ethyl methacrylate.
    • 目的:提供一种延迟膜和包括该延迟膜的液晶显示装置,以通过使用相位差膜控制光学弹性系数来减少由外部应力引起的延迟值的变化。 构成:延迟膜包括丙烯酸酯类共聚物树脂,树脂和丙烯酸类抗冲击强化剂。 丙烯酸酯类共聚物树脂包括甲基丙烯酸烷基酯单体和(甲基)丙烯酸类单体。 (甲基)丙烯酸单体包括脂环或芳环。 树脂包括聚合物主链中的芳族环或脂族环。 甲基丙烯酸烷基酯单体是甲基丙烯酸甲酯或甲基丙烯酸乙酯。
    • 95. 发明公开
    • 기계적 물성, 내후성 및 저발연성이 우수한 열가소성 수지조성물 및 이로부터 제조된 고분자 수지 물품
    • 具有良好机械性能的热塑性树脂组合物,改善的耐候性和由其生产的较少的烟雾和聚合物树脂制品
    • KR1020080073092A
    • 2008-08-08
    • KR1020070011669
    • 2007-02-05
    • 주식회사 엘지화학
    • 강병일김형주김성룡유한종
    • C08L25/12C08F290/04C08F290/06
    • A thermoplastic resin composition is provided to show excellent weatherability when the composition is exposed to ultraviolet rays without using butadiene-based rubbery polymer while retaining good mechanical properties such as impact strength and tensile strength. A thermoplastic resin composition includes (a) 15-40wt% of ASA-based graft copolymer resin in which styrenic monomer and acrylonitrile-based monomer are grafted on large-size acrylate-based rubbery polymer having an average particle size of 2,500-5,000 angstrom, (b) 10-30wt% of aromatic polycarbonate resin, (c) 20-70wt% of terpolymer resin of acrylate-based monomer, styrenic monomer, and acrylonitrile-based monomer, and (d) 5-40wt% of copolymer resin of styrenic monomer and acrylonitrile-based monomer.
    • 提供热塑性树脂组合物以在组合物暴露于紫外线时不使用丁二烯类橡胶聚合物同时保持良好的机械性能如冲击强度和拉伸强度来显示出优异的耐候性。 热塑性树脂组合物包括:(a)15-40重量%的苯乙烯类单体和丙烯腈类单体接枝在平均粒度为2500-5000埃的大尺寸丙烯酸酯类橡胶状聚合物上的ASA-基接枝共聚物树脂, (b)10-30重量%的芳族聚碳酸酯树脂,(c)20-70重量%的丙烯酸酯类单体,苯乙烯类单体和丙烯腈类单体的三元共聚物树脂,(d)5-40重量%的苯乙烯共聚物树脂 单体和丙烯腈基单体。