Greenblum & Bernstein, P.L.C.
Pressure-sensitive adhesive sheet
Provided is a PSA sheet highly durable against repeated deformation and suited for use in a flexible device as well. The PSA sheet provided by this invention comprises a PSA layer. The PSA sheet shows a recovery rate at 100% elongation of 70% or higher. The PSA layer shows a displacement of 0.5 mm or greater according to the following holding power test:<Holding Power Test>At 23° C., the PSA layer is applied over a 10 mm wide by 20 mm long bonding area to a Bakelite plate as an adherend; a 1 kg load is applied in the length direction; after one hour, the displacement from the initial position where first applied is determined.
NITTO DENKO CORPORATION
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Naoaki Kenta Makoto Yusuke
Higuchi Jozuka Saito Yamanari