| abstract |
The present invention relates to a novel polythiol compound having three or more functional groups, a transparent urethane resin prepared therefrom, and an optical body. In particular, the present invention relates to a poly(thio)urethane-based resin and an optical body, such as a lens, manufactured using the resin, wherein the poly(thio)urethane-based resin is prepared by obtaining a novel polyol; And then the polythiol prepared from the obtained polyol is combined with polyiso(thio)cyanate. |