-
公开(公告)号:US20090324944A1
公开(公告)日:2009-12-31
申请号:US12304817
申请日:2007-06-11
申请人: Yuusuke Toyama , Masayuki Satake , Teppei Niino
发明人: Yuusuke Toyama , Masayuki Satake , Teppei Niino
CPC分类号: G02B1/14 , C09J5/00 , C09J7/385 , C09J133/04 , G02B1/105 , G02B5/3033 , G02F1/133504 , G02F2001/133507 , G02F2202/28 , Y10T428/28 , Y10T428/2852
摘要: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film; and a pressure-sensitive adhesive layer placed on at least one side of the optical film, wherein the pressure-sensitive adhesive layer has an equilibrium moisture content ratio (a) of 0.5% by weight or less, the pressure-sensitive adhesive layer shows a displacement amount (b) of 600 μm or less in one hour at 23° C., when a tensile shearing stress of 500 gf is applied to an adhesion area of 10 mm×10 mm having a thickness of 25 μm, and the equilibrium moisture content ratio (a) and the displacement amount (b) satisfy the relation: b
摘要翻译: 本发明的粘合型光学薄膜包括:光学薄膜; 和设置在所述光学膜的至少一侧的压敏粘合剂层,其中,所述粘合剂层的平衡含水率(a)为0.5重量%以下,所述粘合剂层显示出 当在厚度为25μm的10mm×10mm的粘合区域上施加500gf的拉伸剪切应力时,在23℃下在1小时内的位移量(b)为600μm以下,平衡含水率 (a)和位移量(b)满足关系式:b <1036.4xe-5.124a。 即使在其上放置压敏粘合剂层的光学膜由具有低透湿性的材料制成时,该粘合型光学薄膜也可在高温环境下具有高耐久性并且在这种环境中防止发泡。