| abstract |
The present invention relates to an adhesive composition containing a diene rubber (A) having a radiation-curable functional group, wherein a cured adhesive layer having a thickness of 60 占 퐉 and formed by a curing reaction of the adhesive composition has a temperature of 40 占 폚, a relative humidity of 90% An adhesive sheet having an adhesive layer formed using the adhesive composition, and a sealing material formed using the adhesive composition, wherein the adhesive composition has a water vapor transmission rate of 30 g / (m 2 · day) or less under the environment of to be. According to the present invention, there is provided an adhesive composition useful as a material for forming an adhesive layer that is excellent in moisture barrier property and excellent in balance between adhesive force and holding force, an adhesive sheet having an adhesive layer formed using the adhesive composition, And a sealing material formed using the sealing material. |