NEW SYNTHETIC FUNCTIONAL POLYESTERS

An overview is reported of the work so far performed by us and co-workers in the preparation of new functional polyesters designed to the fulfilment of structure-property relationships in novel mesomorphic polymers and in polyhydroxylated polyesters, potentially appealing for their solubility properties, binding capability and reactivity. Polycondensation procedures have been used as based on: 1) Michael-type addition of a alpha,omega-bis hydrogenactive component (diamines and dithiols) to a component containing two alpha,omega-activated double bonds (bisacrylates); 2) reaction of a selectively protected polyol with a diacid chloride; 3) self-condensation of a selectively protected (polyhydroxy)acid; 4) addition of an epoxide containing protected hydroxyl group to cyclic anhydrides, including also carbon dioxide.