| 摘要 |
Provided is an adhesive which does not generate appearance changes at optical laminated body and has excellent durability in the condition of high temperature and humidity and repeatedly heating and cooling containing acrylic resin (1) and (2), wherein the relationship between THF insoluble component X(%) of the adhesive and Y(%) represented by formula III satisfies formula I and II: 40 <= X <= 70 (I), -0.51X +41 < 0.45X + 24 (II), Y = B - (100 - X) * C / 100 (III), wherein B is a weight percentage of the component, which has a molecular weight of no less than 300000, of the mixture of (1) and (2), and C is a weight percentage of the component, which has a molecular weight of no less than 300000, of the THF insoluble component, and (1) is the acrylic resin having a weight-average molecular weight of from 50000 to 250000, (2) is the acrylic resin containing (b) having a weight-average molecular weight of from 1000000 to 1500000, and (b) is the monomer with polar functional groups and alkene double bond. |
