Abstract
The authors have determined the enthalpies of the reactions of polycondensation of 3,3′-dihydroxy-4,4′-diaminodiphenylmethane (DHDA) with the diacid chlorides of iso- and terephthalic acids in different solvents. Energetics of the interaction of the amino and hydroxy groups in the molecules of DHDA with the diacid chlorides of dicarboxylic acids and the mutual dependence of the amino groups of DHDA during polycondensation are examined.
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