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    • 43. 发明公开
    • 아크릴계 점착제 조성물, 이를 포함하는 편광판 및액정표시장치
    • 丙烯酸压敏粘合剂组合物,包含其的极化板和液晶显示装置
    • KR1020090126904A
    • 2009-12-09
    • KR1020080053256
    • 2008-06-05
    • 주식회사 엘지화학
    • 윤성수김노마하정민이민기황인호
    • C09J133/08
    • C09J133/10C08K5/541C09J9/00C09J11/06C09J11/08G02B5/30G02F1/13
    • PURPOSE: An acrylic pressure-sensitive adhesive composition is provided to ensure excellent tical compensation effect and stress relaxing property while not causing the degradation of adhesion reliability and releasability. CONSTITUTION: An acrylic pressure-sensitive adhesive composition comprises a crosslinkable acrylic copolymer(A) with average molecular weight of 1,000,000-1,600,000, a non-crosslinkable acrylic copolymer(B) with average molecular weight of 1,000,000-1,600,000, and 0.01-10 parts by weight of a polyfunctional cross-linking agent(C) based on 100.0 parts by weight of the acrylic copolymers (A) + (B). The crosslinkable acrylic copolymer(A) comprises 60~80 parts by weight of alkyl(meth)acrylic acid ester monomer with C2~14 alkyl, 20~35 parts by weight of an aromatic group-containing (meth)acrylic acid ester monomer, and 0.1~10 parts by weight of a crosslinkable functional group-containing monomer. The non-crosslinkable acrylic copolymer(B) comprises 70~97 parts by weight of alkyl(meth)acrylic acid ester monomer with C2~14 alkyl, and 3~10 parts by weight of an aromatic group-containing (meth)acrylic acid ester monomer.
    • 目的:提供丙烯酸类压敏粘合剂组合物,以确保优异的补偿效果和应力松弛性能,同时不会降低粘合可靠性和脱模性。 构成:丙烯酸类压敏粘合剂组合物包含平均分子量为1,000,000-1,600,000的可交联丙烯酸共聚物(A),平均分子量为1,000,000-1,600,000的不可交联丙烯酸共聚物(B)和0.01-10份 基于100.0重量份丙烯酸共聚物(A)+(B)的多官能交联剂(C)的重量。 交联性丙烯酸系共聚物(A)含有60〜80重量份的具有C 2-14烷基的(甲基)丙烯酸烷基酯单体,20〜35重量份的含芳基的(甲基)丙烯酸酯单体,和 0.1〜10重量份的含交联性官能团的单体。 不可交联的丙烯酸共聚物(B)包含70〜97重量份的具有C 2〜14烷基的(甲基)丙烯酸烷基酯单体和3〜10重量份的含芳基的(甲基)丙烯酸酯 单体。