Cationic hybrids from poly(N,N-dimethylaminoethyl methacrylate) covalently crosslinked with chloroalkyl silicone derivatives effective in binding anionic dyes

• Published in: Journal of applied polymer science 2016-10, Vol.133 (37), p.np-n/a
• Main Authors: Lazar, Maria Marinela, Varganici, Cristian-Dragos, Cazacu, Maria, Dragan, Ecaterina Stela
• Format: Article
• Language: English
• Subjects: Cationic; Crosslinking; Derivatives; differential scanning calorimetry (DSC); Dyes; hydrophilic polymers; Materials science; Polymers; Silicones; Sorption; structure-property relations; Swelling; thermogravimetric analysis (TGA)
• ISSN: 0021-8995; 1097-4628
• DOI: 10.1002/app.43942

ABSTRACT The synthesis and characterization of some novel ionic organic/inorganic hybrids containing quaternary ammonium salt groups in the side chain, built on the basis of poly(N,N‐dimethylaminoethyl methacrylate), as an organic component and cation provider, and chloroalkyl‐functionalized silicone derivatives as crosslinkers and anion generators, are reported in this work. The resulted structures were investigated using Fourier transform infrared spectroscopy, differential scanning calorimetry, thermogravimetric analysis, and energy dispersive X‐ray spectroscopy. The swelling behavior of the ionic hybrids in water as a function of pH as well as the water vapor sorption capacity in dynamic regime was also studied. The cationic hybrids have a higher swelling capacity at pH 2 compared with deionized water (pH 6) due to the presence of tertiary amine groups belonging to the organic compound. The ionic organic/inorganic hybrids were tested as potential sorbents for anionic species such as dyes [e.g., methyl orange (MO)]. The equilibrium sorption capacity increased with the increase of the organic component up to around 32 mg MO/g hybrid. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43942.