Products of polyaddition of 4′,4-diphenylmethane diisocyanate with triethylene glycol glycolate, thioglycolate, lactate, and p-hydroxybenzoate

Investigations on the suitability of triethylene glycol glycolate, thioglycolate, lactate, and p-hydroxybenzoate for the synthesis of new polyurethanes from 4,4′-diphenylmethane diisocyanate were carried out. The products obtained were subjected to physicomechanical, Thermal, dielectric, and analytical tests. IR, DTA, and TG analyses were also done.