Abstract
Aromatic poly(ether sulfone)s were prepared by the nickel-catalyzed coupling polymerization of aromatic dichlorides containing ether sulfone structures. Polymerizations were carried out in N,N-dimethylacetamide (DMAc) in the presence of nickel chloride, zinc, triphenylphosphine, and bipyridine and produced aromatic poly(ether sulfone)s with inherent viscosities up to 0.38 dl g−1 under mild conditions. The effects of various factors, such as amount of catalyst, ligand, zinc and solvent, reaction temperature, and sonication, were studied. The thermogravimetry of the aromatic poly(ether sulfone)s showed 10% weight loss in air and in nitrogen at 525–565 and 530–570°C, respectively.
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