It is an object of the present disclosure to provide a method for efficiently and economically producing a polythioether compound by performing a ring-opening polymerization of an alicyclic episulfide compound.
The present disclosure provides a method for producing a polythioether compound, the method including performing a ring-opening polymerization of an alicyclic episulfide compound in the presence of a base. The base is preferably an amine compound. Further, the base is preferably a strong base.