Journal
CARBOHYDRATE POLYMERS
Volume 173, Issue -, Pages 714-720Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2017.06.041
Keywords
Chitin; Chitosan; N-(Thiophene-2-acetyl)chitosan; Ultrafine milling; Ultrasonication; Nanoparticlesa
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Chitin is a naturally occurring fully N-acylated biopolymer which cannot be converted into nanomaterial easily due to its inherent rigidity and chemical inertness. These properties limit the utility of chitinin nanomaterial-based applications. Therefore, our aim in the present work was, to prepare chitin like fully N-acylated derivatives with a hydrophobic moiety and study the impact on nanoparticles synthesis. We report such a fully substituted derivative, N-(Thiophene-2-acetyl)chitosan, its characterization and physicochemical studies of the nanoparticles synthesized. The study confirms that the hydrophobic structural modification of chitosan improves the processability of the material and defines the nanoparticles synthesis. This kind of organic nanoparticles, stable under wide pH range due to amine group protection of chitosan, can be used as nano-reinforcement material to enhance the properties of various composites. (C) 2017 Elsevier Ltd. All rights reserved.
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