Synthesis of N-Guanidinium-Chitosan/Silica Hybrid Composites: Efficient Adsorbents for Anionic Pollutants

A new chitosan derivative, N -guanidinium chitosan acetate, has been synthesized by direct guanylation of chitosan by cyanamide in presence of scandium(III) triflate under mild acidic condition. Starting from this material, N -guanidinium chitosan/silica microhybrids were prepared via a sol gel meth...

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Veröffentlicht in:	Journal of polymers and the environment 2018-05, Vol.26 (5), p.1986-1997
Hauptverfasser:	Salama, Ahmed, Hesemann, Peter
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetic acid Adsorbents Adsorption AMINO ACIDS Chemical Sciences Chemistry Chemistry and Materials Science Chitosan Dyes Environmental Chemistry Environmental Engineering/Biotechnology Hybrid composites Industrial Chemistry/Chemical Engineering Infrared radiation INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY Isotherms Material chemistry Materials Science METHYL ORANGE NANOCOMPOSITES NANOSCIENCE AND NANOTECHNOLOGY NMR NUCLEAR MAGNETIC RESONANCE OLIGOSACCHARIDES ORGANIC FLUORINE COMPOUNDS Original Paper Pollutants Polymer Sciences Purification Scandium SCANNING ELECTRON MICROSCOPY Silica Silicon dioxide Sol-gel processes THERMAL GRAVIMETRIC ANALYSIS Thermogravimetry Water purification WATER TREATMENT
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