Abstract
It is shown that polyelectrolyte complexes are formed between a synthetic polyampholyte and anionic, cationic and amphoteric type polyelectrolytes. The composition and region of existence of polycomplexes have been determined, and the effect of pH on their stability has been investigated. It was found that cooperative dissociation of the polycomplexes takes place, and is accompanied by the appearance of free polyelectrolyte macromolecules and by unloading of the polyampholyte. A mechanism of decay of polyelectrolyte complexes at the isoelectric point of the polyampholyte is proposed. The mechanism resemb;es processes of macromolecular exchange and substitution occurring in complementary macromolecules.
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