Abstract
AbstractA polyesterimide was prepared by reacting 4,4′‐diaminodiphenylmethane with trimellitic acid anhydride in ethylene glycol, which acts as an esterification reagent as well as a solvent. The solution and thermal behaviour, and a few other properties were studied. The polymer was found to be soluble in highly polar solvents. The polymer solution was stable. Thermogravimetric data revealed that the polymer underwent only 10% weight loss in air at 300°C.
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