| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical transparent adhesive sheet having excellent adhesive properties even under cold temperature-cold humidity, and in which a shape change under high temperature-high moisture is less likely to occur.SOLUTION: Provided is an optical transparent adhesive sheet made of a cured matter of a thermocurable polyurethane composition, in which the thermocurable comprises a polyol component, a polyisocyanate component and a tackifier, and the tackifier includes a rosin-diol based tackifier.SELECTED DRAWING: Figure 1 |
