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    • 4. 发明申请
    • ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR POLARIZING FILM
    • 用于极化膜的丙烯酸压敏粘合剂组合物
    • WO2005113699A1
    • 2005-12-01
    • PCT/KR2005/001070
    • 2005-04-13
    • LG CHEM, LTD.KIM, Se-raCHANG, Suk-kyCHO, Hyun-juLEE, Jae-gwanHAN, In-cheonSEONG, Hye-ran
    • KIM, Se-raCHANG, Suk-kyCHO, Hyun-juLEE, Jae-gwanHAN, In-cheonSEONG, Hye-ran
    • C09J133/00
    • C09J133/14C08L33/02C08L2312/00C08L2666/04Y10S526/931Y10T428/2891
    • The present invention provides an acrylic pressure-sensitive adhesive composition for a polarizing film comprising a) 100 parts by weight of a (meth)acrylic copolymer having a high molecular weight, which is copolymerized from a (me th)acrylic acid ester monomer and a vinylic and/or an acrylic monomer having a functional group capable of crosslinking with a mul¬ tifunctional crosslinking agent and has a weight- average molecular weight of at least 1,000,000; b) 5-20 parts by weight of a (meth)acrylic copolymer having a low molecular weight, which comprises the same monomer of the main chain of a) the (meth)acrylic copolymer having a high molecular weight, has a weight-average molecular weight of 2,000-30,000 and comprises 0.01-1 monomer, per one molecule of the copolymer on average, having a functional group capable of reacting with the crosslinking agent of c); and c) 0.01-10 parts by weight of a multifunctional crosslinking agent. A polarizing film comprising the composition and a liquid crystal display device comprising the same can minimize the light leakage problem with good stress-relaxation ability, while maintaining such major characteristics as adhesion durability, even under thermal and humidity conditions.
    • 本发明提供了一种用于偏振膜的丙烯酸类压敏粘合剂组合物,其包含:a)100重量份的由(甲基)丙烯酸酯单体和(甲基)丙烯酸酯单体共聚的具有高分子量的(甲基)丙烯酸共聚物 乙烯基和/或具有能够与多官能交联剂交联并具有至少1,000,000的重均分子量的官能团的丙烯酸类单体; b)5-20重量份具有低分子量的(甲基)丙烯酸共聚物,其包含具有高分子量的(甲基)丙烯酸共聚物的主链的相同单体,具有重均分子量 分子量为2,000-30,000,并且包含平均每一分子共聚物的0.01-1单体,具有能够与c)的交联剂反应的官能团; 和c)0.01-10重量份的多官能交联剂。 包含该组合物的偏振膜和包含该组合物的液晶显示装置能够尽可能减少具有良好的应力松弛能力的光泄漏问题,同时保持诸如粘附耐久性的主要特征,即使在热和湿度条件下。
    • 6. 发明申请
    • ACRYLIC PRESSURE SENSITIVE ADHESIVE WITH GOOD ANTISTATIC PROPERTY
    • 丙烯酸压敏胶粘剂具有良好的抗静电性能
    • WO2006043794A1
    • 2006-04-27
    • PCT/KR2005/003520
    • 2005-10-21
    • LG CHEM, LTD.KIM, Se-raHAN, In-cheonCHANG, Suk-ky
    • KIM, Se-raHAN, In-cheonCHANG, Suk-ky
    • C09J133/08
    • C09J133/08C09J2201/606Y10T428/1041
    • The present invention relates to an acrylic pressure sensitive adhesive composition containing ester plasticizer having at least one of ether linkages in the molecule represented by formula 1, alkali metallic salt and quaternary ammonium salt together and polarizer and LCD using the same. The acrylic pressure sensitive adhesive composition of the present invention for polarizer has improved antistatic property, owing to the synergy effect of ester plasticizer having one or more ether linkages, alkali metallic salt and quaternary ammonium salt, in addition to the excellent adhesive force and durability. In particular, the acrylic pressure sensitive adhesive composition provided by the present invention shows excellent durability and improved antistatic property by adding quaternary ammonium salt containing weakly coordinated anions.
    • 本发明涉及一种丙烯酸类压敏粘合剂组合物,其含有在式1中分子表示的分子中具有醚键,碱金属盐和季铵盐中的至少一种的酯增塑剂,以及使用其的偏振器和LCD。 本发明的用于偏振片的丙烯酸压敏粘合剂组合物除了具有优异的粘合力和耐久性外,由于具有一个或多个醚键的酯增塑剂,碱金属盐和季铵盐的协同作用,具有改进的抗静电性能。 特别地,本发明提供的丙烯酸类压敏粘合剂组合物通过加入含有弱配位阴离子的季铵盐,显示出优异的耐久性和改善的抗静电性能。