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    • 9. 发明申请
    • PRESSURE SENSITIVE ADHESIVE COMPOSITION FOR OPTICAL MEMBERS, PRESSURE SENSITIVE ADHESIVE LAYER FOR OPTICAL MEMBERS, PRESSURE SENSITIVE ADHESIVE OPTICAL MEMBER AND IMAGE DISPLAY
    • 用于光学部件的压敏敏感性粘合剂组合物,用于光学部件的压敏敏感粘合剂层,压敏粘合剂光学部件和图像显示器
    • US20090023869A1
    • 2009-01-22
    • US11814775
    • 2006-01-10
    • Fumiaki ShirafujiMasayuki SatakeKohei YanoYutaka MoroishiFumiko Nakano
    • Fumiaki ShirafujiMasayuki SatakeKohei YanoYutaka MoroishiFumiko Nakano
    • C08G63/00C08F20/40
    • C09J133/04
    • An object of the present invention is to provide a pressure sensitive adhesive composition for an optical member, which is excellent in coating property because of low viscosity, can reduce an amount of an organic solvent used, and can form a pressure sensitive adhesive layer excellent in durability and having high surface uniformity. The present invention relates to a pressure sensitive adhesive composition for an optical member, which comprises a (meth)acrylic polymer, a C6 to C9 hydrocarbon-based solvent (A), and a high-boiling highly solubilizing solvent (B) having a boiling point higher than that of the above hydrocarbon-based solvent and having a higher ability to solubilize the (meth)acrylic polymer than that of the above hydrocarbon-based solvent, wherein a content of the hydrocarbon-based solvent (A) is 20 to 60 wt % based on the total amount of the solvents, and a ratio of the content (wt %) of the hydrocarbon-based solvent (A) to the content (wt %) of the high-boiling highly solubilizing solvent (B) (high-boiling highly solubilizing solvent (B)/hydrocarbon-based solvent (A)) is 0.05 to 4.
    • 本发明的目的是提供一种用于光学部件的粘合剂组合物,由于粘度低而具有优异的涂布性能,可以减少所用的有机溶剂的量,并且可以形成优异的压敏粘合剂层 耐久性好,表面均匀性好。 本发明涉及一种用于光学部件的压敏粘合剂组合物,其包含(甲基)丙烯酸类聚合物,C6〜C9烃类溶剂(A)和具有沸点的高沸点高溶解性溶剂(B) 比上述烃基溶剂高,并且与上述烃类溶剂相比,具有较高的(甲基)丙烯酸类聚合物的溶解能力,其中烃系溶剂(A)的含量为20〜60 (A)的含量(重量%)与高沸点高增溶溶剂(B)的含量(重量%)的比例(重量%)(高) 沸腾高溶解性溶剂(B)/烃系溶剂(A))为0.05〜4。