The possibility of the inclusion of nitrophenolic compounds in poly-N-vinylcaprolactam from their aqueous solutions is considered. By NMR <$E nothing sup 13 roman C> and IR-spectroscopy methods, it is stated that the complex formation is due to the formation of hydrogen bonds between the carbonyl groups of caprolactam chains and the phenolic hydroxyl groups, and also is a result of the water displacement from the polymeric structure and thus its thickening. The following parameters of the formation of inclusion compounds are studied: the concentration, pH, temperature, and the time of the complex formation. The possibilities of the practically entire extraction of phenols from their aqueous solution and the repeated usage of poly-N-vinylcaprolactam are shown.

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