Kinetic data (rate constant, Arrhenius activation energy, frequency factor) of the esterification of polycarboxylic acids (butane‐1, 2, 3, 4‐tetracarboxylic acid, citric acid and pyromellitic acid) have been determined by means of isocratic HPLC measuring the portion of polycarboxylic acid that does not react with cellulosic material. The order of activation energy is as follows: citric acid > butane‐1, 2, 3, 4‐tetracarboxylic acid > pyromellitic acid.
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Schramm et al. (1997) studied this question.
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