| abstract |
A pressure-sensitive adhesive sheet, comprising a glass substrate, a polycycloolefin-based film, and a pressure-sensitive adhesive layer formed between the glass substrate and the polycycloolefin-based film, the pressure-sensitive adhesive layer comprising (A) Wherein the copolymer is formed from a pressure-sensitive adhesive composition comprising a copolymer of a monomer composition and (B) an isocyanate-based crosslinking agent, wherein the copolymer has a weight average molecular weight of 400,000 or more and 2,000,000 or less and an acid value of 1 or less. (a3) Amide group or amino group-containing monomer 0.1% by mass or more and 10% by mass or less (a4) Ammonium oxide chain-containing monomer (a1) (Meth) acrylic acid alkyl ester monomer 1 mass% or more and 69.8 mass% or less (a5) 0 mass% or more and 30 mass% or less of copolymerizable monomers other than the monomer (a1) |