NDLI: Preparation of polyamine grafted bentonite by surface-initiated atom transfer radical polymerization for efficient adsorption of Orange I from aqueous solution

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Preparation of polyamine grafted bentonite by surface-initiated atom transfer radical polymerization for efficient adsorption of Orange I from aqueous solution

Content Provider	Royal Society of Chemistry (RSC)
Author	Guo, Wenjuan Wang, Luyan Pei, Meishan Sun, Na Du, Yankai
Copyright Year	2017
Abstract	A poly(glycidyl methacrylate) (PGMA) grafted bentonite (Bent) was prepared by surface-initiated atom transfer radical polymerization (SI-ATRP), followed by modification with tetraethylenepentamine (TEPA) through a ring-opening reaction of the epoxy groups in PGMA to form polyamine grafted bentonite (Bent–PGMA–TEPA). The as-prepared novel material was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and thermal gravimetric analysis (TGA). The ability of Bent–PGMA–TEPA to adsorb Orange I (OI), a negatively charged dye, was tested. The effects of pH, initial concentration, contact time and temperature were investigated. The equilibrium adsorption isotherm and adsorption kinetics fitted well with the Langmuir model and the pseudo-second-order kinetic model respectively.
Starting Page	3352
Ending Page	3357
Page Count	6
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	41
Issue Number	9
Journal	New Journal of Chemistry
DOI	10.1039/c6nj03916b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Atom-transfer radical-polymerization Gravimetric analysis Orange S.A. Polyamine TEPA Epoxy Fourier-transform infrared spectroscopy Scanning electron microscope PGMA X-ray crystallography Dye laser Fourier Adsorption Cyclic compound Langmuir Bentonite PH Glycidyl methacrylate Langmuir adsorption model
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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