abstract |
The present invention relates to a self-restoring polyurethane polymer polymerized from a composition comprising an aromatic disulfide diol represented by the following formula (1), an alicyclic polyisocyanate, and a polyol. [Chemical Formula 1] Wherein Ar 1 and Ar 2 are independently a substituted or unsubstituted arylene group having 6 to 30 carbon atoms. |