| 摘要 |
The present invention provides: an adhesive composition for sealing an electronic device, the adhesive composition comprising an isobutylene-isoprene copolymer as a main component, the isobutylene-isoprene copolymer having a content of repeating units derived from isoprene of 0.1 to 99 mol% based on total repeating units; an adhesive sheet comprising a gas barrier film, and an adhesive layer that is formed on the gas barrier film, the gas barrier film having a water vapor transmission rate at a temperature of 40°C and a relative humidity of 90% of 0.1 g/m 2 /day or less, and having a total light transmittance of 80% or more, and the adhesive layer comprising an adhesive composition that comprises an isobutylene-isoprene copolymer as a main component; and an electronic device or the like in which the adhesive composition and the adhesive sheet are used as a sealant for an organic electroluminescent element or the like. According to the present invention, provided are :an adhesive composition that is useful as a material for forming an adhesive layer that exhibits an excellent water barrier capability and excellent adhesion; an adhesive sheet; and an electronic device or the like. |
