Main characteristic of N-bromo poly(styrene-co-divinylbenzene) sulphonamide acid: a cation exchanger and redox polymer

Agnieszka Ciechanowska , Ewa Stanisławska , Elżbieta Kociołek-Balawejder , Igor Mucha

Abstract

N-bromo poly(styrene-co-divinylbenzene) sulphonamide acid with macroporous structure has been obtained from its sodium salt using weak acid solution (0.02 mol L−1 CH3COOH) to transform the functional groups from the Na+ form to the H+ form. This transformation, carried out in a column method, allowed to obtain a new reactive polymer which exists in an aqueous medium only in a narrow pH range and does not have low-molecular weight analogue (N-bromo-p-toluenesulphonic acid is not separable from the aqueous solution and does not occur as a pure chemical compound). It has been demonstrated that the –SO2NBrH groups, stable under certain conditions (in water and in weak acid solutions), showed cation exchange and oxidizing properties. Their main properties, such as the acidity, the formal redox potential, and the stability in aqueous media of different acidities, were determined. It has been explained the difference in behavior of copolymeric Na+ and H+ form sulphonamides. FTIR spectra and TG/DTG charts of the copolymers with –SO2NBrH and –SO2NBrNa groups have been compared.
Author Agnieszka Ciechanowska (EaE / IChaFT / DChT)
Agnieszka Ciechanowska,,
- Department of Chemical Technology
, Ewa Stanisławska (EaE / IChaFT / DChT)
Ewa Stanisławska,,
- Department of Chemical Technology
, Elżbieta Kociołek-Balawejder (EaE / IChaFT / DChT)
Elżbieta Kociołek-Balawejder,,
- Department of Chemical Technology
, Igor Mucha - [Wroclaw Medical University]
Igor Mucha,,
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Journal seriesPolymer Bulletin, ISSN 0170-0839, e-ISSN 1436-2449, (A 25 pkt)
Issue year2017
Vol74
No5
Pages1849-1861
Publication size in sheets0.6
Keywords in PolishReactive polymer, Macromolecular, N-bromosulphonamide, Redox copolymer, Active bromine, support, Cation exchanger, Oxidation
ASJC Classification2505 Materials Chemistry; 2507 Polymers and Plastics; 3104 Condensed Matter Physics; 1600 General Chemistry
DOIDOI:10.1007/s00289-016-1808-y
URL http://link.springer.com/article/10.1007/s00289-016-1808-y
Languageen angielski
LicenseJournal (articles only); author's original; Uznanie Autorstwa (CC-BY); before publication
Score (nominal)25
Score sourcejournalList
Publication indicators WoS Citations = 0; Scopus Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 0.675; WoS Impact Factor: 2017 = 1.589 (2) - 2017=1.507 (5)
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