Вивчено явища віддаленої взаємодії в міжгелевих системах гідрогель поліметакрилової кислоти – гідрогель полі-4-вінілпіридину (hPMAA-hP4VP) та гідрогель поліметакрилової кислоти – гідрогель полі-2-метил-5-вінілпіридину (hPMAA-hP2M5VP). Встановлено, що питома електропровідність, рН та ступінь набухання гідрогелів PMAA, P4VP та P2M5VP зменшуються під час сорбції йонів лантану за участю міжгелевих систем. Визначено, що сорбційні властивості міжгелевих систем значно збільшуються (до 30 %) у порівнянні з окремими гідрогелями РМАА, Р4VP та Р2М5VP, що вказує на факт високої йонізації під час взаємної активації полімерів. Максимальна сорбція йонів лантану відбувається за співвідношень 17% hPMAA:83% hP4VP та 50% hPMAA:50% hP2M5VP. За допомогою ІЧ спектроскопії встановлено сорбцію рідкісноземельного металу міжгелевими системами. Показана важливість можливого застосування міжгелевих систем на основі рідкоземельних зшитих полімерних гідрогелів кислотної та основної природи для створення нових інноваційних сорбційних технологій у гідрометалургії.
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