Westerman, Hattori, Daniels & Adrian, LLP
Pressure-sensitive-adhesive composition, pressure-sensitive-adhesive layer, pressure-sensitive-adhesive-layer-attached polarizing film, and image display device
An object of the present invention is to provide a pressure-sensitive-adhesive composition for forming a pressure-sensitive-adhesive layer capable of keeping a high endurance even when this layer is exposed to a heated environment or allowed to stand still for a long term. Another object of the invention is to provide a pressure-sensitive-adhesive layer formed from the pressure-sensitive-adhesive composition, a pressure-sensitive-adhesive-layer-attached polarizing film having the pressure-sensitive-adhesive layer, and an image display device including the pressure-sensitive-adhesive-layer-attached polarizing film. The composition is a pressure-sensitive-adhesive composition including a (meth)acryl-based polymer, and an oligomer epoxy-group-containing silane coupling agent having an epoxy equivalent of 250 to 600 g/mol.
NITTO DENKO CORPORATION
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Masakuni Tomoyuki Yuusuke
Fujita Kimura Toyama