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    • 11. 发明授权
    • Pressure sensitive adhesive composition for optical members, pressure sensitive adhesive layer for optical members, pressure sensitive adhesive optical member and image display
    • 用于光学构件的压敏粘合剂组合物,用于光学构件的压敏粘合剂层,压敏粘合剂光学构件和图像显示
    • US08389611B2
    • 2013-03-05
    • US11814775
    • 2006-01-10
    • Fumiaki ShirafujiMasayuki SatakeKohei YanoYutaka MoroishiFumiko Nakano
    • Fumiaki ShirafujiMasayuki SatakeKohei YanoYutaka MoroishiFumiko Nakano
    • C08K5/101C08K5/01C08K5/03
    • 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。
    • 18. 发明授权
    • Photocurable adhesive composition, photocurable adhesive layer, and photocurable adhesive sheet
    • 可光固化粘合剂组合物,光固化粘合剂层和光固化粘合片
    • US09109142B2
    • 2015-08-18
    • US13375007
    • 2010-04-28
    • Shigeru FujitaYutaka MoroishiFumiko Nakano
    • Shigeru FujitaYutaka MoroishiFumiko Nakano
    • C09J7/02C08F265/06C09J4/06C09J151/00
    • C09J7/021C08F265/06C09J4/06C09J7/381C09J151/003C09J2451/00Y10T428/2891C08F220/32
    • A photocurable pressure-sensitive adhesive composition, a photocurable pressure-sensitive adhesive layer, and a photocurable pressure-sensitive adhesive sheet including a support and such a photocurable pressure-sensitive adhesive layer formed on at least one side of the support are provided. The photocurable pressure-sensitive adhesive composition can form an adhesive layer that has sufficient initial adhesive strength through the process of drying and cross-linking without having any adhesive protruding at normal temperatures and pressures, hardens easily with light irradiation, and has a high peeling resistance. The photocurable adhesive composition contains a graft polymer that graft-polymerizes a monomer containing a cyclic ether group to a (meth)acrylic polymer and a cationic photopolymerization initiator. The photocurable adhesive layer and the photocurable adhesive sheet are prepared by using said photocurable adhesive composition.
    • 提供了一种可光固化的压敏粘合剂组合物,光固化压敏粘合剂层和包含支撑体的光固化性粘合片和形成在载体的至少一侧上的这种光固化性粘合剂层。 光固化性粘合剂组合物可以通过干燥和交联的方法形成具有足够的初始粘合强度的粘合剂层,而不会在常温常压下突出任何粘合剂,并且在光照射下容易硬化,并具有高抗剥离性 。 光固化性粘合剂组合物含有将含有环状醚基的单体与(甲基)丙烯酸系聚合物和阳离子性光聚合引发剂接枝聚合的接枝聚合物。 通过使用所述可光固化粘合剂组合物制备光固化粘合剂层和光固化粘合片。