Preparation and adsorption behavior of dodecyltrimethylammonium bromide modified carrageenan hydrogel beads with remarkable removal efficiency and thermostability in water
Abstract:In this study, water‐soluble polymer carrageenan (CAR) was cross‐linked by dodecyltrimethylammonium bromide (DTAB) in an aqueous solution for the preparation of gel beads, which can be used for removal of methylene blue (MB). The combination of DTAB and CAR was validated by Fourier transform infrared (FTIR) spectroscopy, while the folded surface was characterized by scanning electron microscope. DTAB can be used as a modifier of CAR for promoting the hydrophobicity and stability of hydrogel beads, which even w… Show more
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