Exploring the Complexation of Counterion in Novel Family of Polyelectrolytes with Unexpected Solubility Behaviour

Abstract:

In the present paper we study the effect of complexation in linear negatively charged polyelectrolytes with different alkali ions. With combination of IR-spectroscopy, X-ray diffraction and nanocalorimetry, we attempted to explain unusual solubility, crystallinity and thermal stability of these polymers. The increase of thermal stability and insolubility in water in series of semi-crystalline polysalts as K⁺ ≤ H⁺ <Na⁺ was explained by effectiveness of formation of chelating complex. Insoluble in water sodium salt shows the highest thermal stability of crystal phase up to . In contrast, well soluble in water amorphous lithium salt does not self-organize in chelating complex and is presented in ionic form.

• Periodical: Key Engineering Materials (Volume 869)
• Pages: 61-68
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.869.61
• Online since: October 2020
• Authors: Egor A. Bersenev*, Alina Maryasevskaya, Evgenii V. Komov, Denis V. Anokhin, Dimitri A. Ivanov
• Keywords: Infrared Spectroscopy, Polyelectrolytes, Ultrafast Chip Calorimetry, X-Ray Diffraction

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