SYNTHESIS AND CHARACTERIZATION STUDIES OF A SERIES OF N-VINYL IMIDAZOLE-BASED HYDROGEL

Year 2016, Volume: 17 Issue: 5, 974 - 983, 20.12.2016

Bilge Erdem

https://doi.org/10.18038/aubtda.265939

Cited By: 4

Abstract

In this study,
poly[(N-vinyl
imidazole)-co-(2-dimethylaminoethyl methacrylate)] hydrogels with  various mole percentages of monomers were
prepared by free radical solution polymerization in aqueous media. N,N'-methylenebisacrylamide and 2,2'-azobisisobutyronitrile were used as cross-linker and initiator,
respectively. A Fourier transform infrared spectrophotometer, scanning electron
microscope and thermogravimetric analyzer were used for the characterization of
the hydrogels. The swelling behavior of the hydrogels in aqueous solution were
investigated at pH 6.0 and 25°C. The results showed that swelling
characteristics were affected by 2-dimethylaminoethyl methacrylate content of
the copolymeric hydrogel. The swelling degree of hydrogels increased from 4.2 g g^–1
to 25.4 g g^–1 by increasing 2-dimethylaminoethyl methacrylate concentration from 0 to 15% with respect to the total
moles of monomers.

Keywords

N-Vinyl imidazole, 2-dimethylaminoethyl methacrylate, copolymer, hydrogel

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