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    • 1. 发明申请
    • PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND METHOD FOR PRODUCING SAME
    • 压敏粘合剂光学薄膜及其生产方法
    • US20090258224A1
    • 2009-10-15
    • US12090304
    • 2006-10-18
    • Shigeki KawabeMasayuki SatakeYuusuke Toyama
    • Shigeki KawabeMasayuki SatakeYuusuke Toyama
    • B32B7/00B05D5/06
    • C09J133/10C08L2312/00C09J7/22C09J7/38C09J2433/00G02B1/10Y10T428/269
    • Disclosed is to provide a pressure-sensitive adhesive optical film that has excellent durability wherein deterioration of an image display region is suppressed even under severe conditions such as heating caused by lighting of a backlight and to provide a method for producing the same. Disclosed is also to provide an image display using such a pressure-sensitive adhesive optical film. A pressure-sensitive adhesive optical film, comprising: an optical film; and a pressure-sensitive adhesive layer arranged on one or both sides of the optical film, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive composition comprising 100 parts by weight of a (meth)acrylic polymer which contains, as a monomer unit, at least 50% by weight of an alkyl (meth)acrylate ester having an alkyl group with 4 or more carbon atoms, and 0.02 to 2 parts by weight of a peroxide, and the pressure-sensitive adhesive layer has a thickness of 20 μm or more.
    • 本发明提供一种即使在诸如背光照明等加热引起的恶劣条件下也能够抑制图像显示区域的劣化的耐久性优异的粘合型光学膜,并提供其制造方法。 还公开了使用这种压敏粘合剂光学膜的图像显示。 一种压敏粘合剂光学膜,包括:光学膜; 以及设置在所述光学膜的一侧或两侧的压敏粘合剂层,其中所述压敏粘合剂层由包含100重量份的(甲基)丙烯酸类聚合物的压敏粘合剂组合物制成,所述(甲基)丙烯酸聚合物包含作为 单体单元,至少50重量%的具有4个或更多个碳原子的烷基的(甲基)丙烯酸烷基酯和0.02-2重量份的过氧化物,并且所述压敏粘合剂层的厚度 20个或更多个。