A pressure-sensitive adhesive sheet and adhesive composition

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PROBLEM TO BE SOLVED : To provide a pressure-sensitive adhesive sheet which can obtain vivid images having a contrast among red, blue, and green by affixing it to the front face of a display device such as a color cathode-ray tube to absorb the rays having a wavelength of 570-590 nm. SOLUTION : The pressure-sensitive adhesive composition is obtained by incorporating 0.01-5 pts.wt. curing agent and, if necessary, a tackifying resin into 100 pts.wt. elastomer having a glass transition temperature of =40% and exhibiting a selective absorption for the visible rays whose maximum absorption wavelength is about 570-590 nm.