Abstract

The interaction of aluminum polyhydroxochloride sol and poly(4-vinylbenzene sulfonic acid) sodium salt is studied. It is found that, in dilute aqueous solutions at pH 4.6, aluminum polyhydroxochloride sol and poly(4-vinylbenzene sulfonic acid) sodium salt form insoluble polymer-colloid complexes of steady compositions. Potentiometric titration data show that the interaction between particles of aluminum polyhy-droxochloride sol and linear macromolecules of the polyelectrolyte occurs via salt bonds formed between unlikely charged groups on the surface of particles and units of the linear polyelectrolyte. The composition of the polymer-colloid complex is determined, and the degree of conversion for the reaction of aluminum poly-hydroxochloride sol and poly(4-vinylbenzene sulfonic acid) sodium salt is estimated. The influence of various polyelectrolytes on the stability of the polymer-colloid complex is studied.

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