Abstract
Abstract In the solutions of polyacrylic acid (PAA) the amphiphilic calix[4]resorcinarenes 1–10 and their complexes with Methyl Orange (MO) form binary (1–10)-PAA and tertiary (2–10)-MO-PAA supramolecular complexes which are water-soluble in the case of amidoammonium (1–5) and water-insoluble in the case of amidoamino (6, 7) or amido(dimethylamino) (8–10) calixresorcinarenes. Almost 90% of removal of MO from the aqueous solution is achieved by the formation of the water-insoluble systems (6–10)-МО-PAA. In aqueous solution the particles of the (1–5)-PAA systems have average hydrodynamic diameters which values vary depending on the length of the alkyl substituents of macrocycles.
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