and may have excellent mechanical and thermal properties the i j and k moieties may be any moiety suitable for the b moiety in some embodiments a monothiol of the general formula 7 may also be used to form the polysulfones the e moiety may be any group suitable for the b moiety the e moiety can be added to the polymerization reaction mixture in order to control the molecular weight or to provide end capping functionalization in some embodiments the e moiety may include 2 or more reactive functional groups to allow for cross linking an e moiety with 2 or more reactive functional groups may assist in forming films from the polysulfone polysulfones of the general formula 1 may be prepared by preparing and oxidizing a polythioether the polythioether may have the general formula 8 the polythioether of the general formula 8 may be prepared by reacting 1 thiols of the formulas 3 4 5 and or 6 with 2 hexahydrotriazines of the formula 2 the polymerization reaction may be for example a condensation polymerization reaction in embodiments including trithiols of the formula 6 and dithiols of the formulas 3 4 and or 5 the molar ratio of dithiols to trithiols may be between about 1 1 and about 100 1 such as between about 1 1 and about 10 1 such as between about 1 1 and about 4 1 optionally the polymerization reaction may include monothiols of the general formula 7 in embodiments using monothiols of the general formula 7 the.