Thermal and mechanical properties of chitosan nanocomposites with cellulose modified in ionic liquids

Aleksandra Grząbka-Zasadzińska, Tazdin Amietszajew, Sławomir Borysiak

Research output: Contribution to journalArticle

15 Citations (Scopus)
3 Downloads (Pure)

Abstract

In this paper, ionic liquid treatment was applied to produce nanometric cellulose particles of two polymorphic forms. A complex characterization of nanofillers including wide-angle X-ray scattering, Fourier transform infrared spectroscopy, and particle size determination was performed. The evaluated ionic liquid treatment was effective in terms of nanocrystalline cellulose production, leaving chemical and supermolecular structure of the materials intact. However, nanocrystalline cellulose II was found to be more prone to ionic liquid hydrolysis leading to formation larger amount of small particles. Each nanocrystalline cellulose was subsequently mixed with a solution of chitosan, so that composite films containing 1, 3, and 5% mass/mass of nanometric filler were obtained. Reference samples of chitosan and chitosan with micrometric celluloses were also solvent casted. Thermal, mechanical, and morphological properties of films were tested and correlated with properties of filler used. The results of both, tensile tests and thermogravimetric analysis showed a significant discrepancy between composites filled with nanocrystalline cellulose I and nanocrystalline cellulose II.

Original languageEnglish
Pages (from-to)143-154
Number of pages12
JournalJournal of Thermal Analysis and Calorimetry
Volume130
Issue number1
DOIs
Publication statusPublished - 1 Oct 2017
Externally publishedYes

Fingerprint

Ionic Liquids
Chitosan
cellulose
Cellulose
Nanocomposites
nanocomposites
Thermodynamic properties
thermodynamic properties
mechanical properties
Mechanical properties
liquids
fillers
Fillers
Size determination
size determination
composite materials
Composite films
tensile tests
X ray scattering
Thermogravimetric analysis

Bibliographical note

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use,
distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

Keywords

  • Chitosan
  • Ionic liquid
  • Nanocellulose
  • Nanocomposites
  • Polymorphism
  • Thermal stability

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

Thermal and mechanical properties of chitosan nanocomposites with cellulose modified in ionic liquids. / Grząbka-Zasadzińska, Aleksandra; Amietszajew, Tazdin; Borysiak, Sławomir.

In: Journal of Thermal Analysis and Calorimetry, Vol. 130, No. 1, 01.10.2017, p. 143-154.

Research output: Contribution to journalArticle

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