Patent ID: 9388346
Filing Date: 2016-07-12
CPC Classification: C10G

Claim Text:
1. A method for polymerizing a heteroaromatic sulfide comprising the step of contacting said sulfide with a polyoxometalate catalyst, or a solvate thereof; wherein said polyoxometalate catalyst is represented by the general formula Q q [XM 12-n M' n O 40 ], or a solvate thereof, wherein: X is selected from the group consisting of (i) B, Al, Ga, In, Si, Ge, Sn, P, As, Sb, S, Se, Te; (ii) a. proton; and (iii) a transition metal selected from Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn; M is selected from the group consisting of tungsten (W), molybdenum (Mo) and combinations thereof, wherein the tungsten and/or molybdenum are in a high valence state, preferably +4, +5 or +6; M′ is selected from the group consisting of niobium (Nb), tantalum (Ta), antimony (Sb), bismuth (Bi), tin (Sn) and vanadium (V); Q is a counter cation selected from a proton, an alkali metal, an alkaline earth metal, a transition metal which is preferably lanthanides or actinides, a main group metal, and an organic cation which is preferably a quaternary ammonium or phosphonium cation; n is 0, 3, 4, 5or 6; and q is an integer between 1 and 30.