Biodegradable starch-based nano-composites

Xie, Fengwei (2012). Biodegradable starch-based nano-composites. In Luigi Nicolais, Assunta Borzacchiello and Stuart M. Lee (Ed.), Wiley encyclopedia of composites 2nd ed. (pp. 102-113) Hoboken, NJ, USA: John Wiley & Sons. doi:10.1002/9781118097298.weoc014

Author Xie, Fengwei
Title of chapter Biodegradable starch-based nano-composites
Title of book Wiley encyclopedia of composites
Place of Publication Hoboken, NJ, USA
Publisher John Wiley & Sons
Publication Year 2012
Sub-type Chapter in textbook
DOI 10.1002/9781118097298.weoc014
Year available 2011
Edition 2nd
ISBN 9781118097298
Editor Luigi Nicolais
Assunta Borzacchiello
Stuart M. Lee
Volume number 1
Start page 102
End page 113
Total pages 12
Collection year 2013
Language eng
Abstract/Summary Compared to normal starch-based materials, starch nanocomposites have attracted much interest in the recent years due to the drastic improvements in the mechanical properties, thermal stability, flame retardant properties, gas barrier properties, and so on. There are three main types of nanofillers that have been frequently used to reinforce starch matrix, that is, starch nanocrystals/nanoparticles, cellulose nanowhiskers/nanofibers, and layered nanoclays. This article discusses these three types of biodegradable starch-based nanocomposite systems in terms of their formulation-processing-structure-properties relationships in detail. Layered nanoclays have been the most popular choice for preparing starch-based nanocomposites. Nanoclay surface chemistry, starch type (including amylose content) and chemical modification, and starch-plasticizer-nanofiller interactions during processing have to be considered in order to increase the intercalation/exfoliation of nanoclay in the starch matrix. It is revealed that the hydrophilicity difference between nanoclay and starch plays a dominant role in the nanostructural evolution. In addition, starch/biodegradable polymer/nanoclay multiphase nanocomposite system has been a popular choice for further improved properties. The renewability and biodegradability of starch-based nanocomposite materials justify its wide use as truly sustainable plastics.
Keyword Starch
Starch nanocrystals
Starch nanoparticles
Cellulose nanowhiskers
Cellulose nanofibers
Layered nanoclays
Biodegradable polymers
Q-Index Code BX
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes "Written by prominent international experts from industry and academia, the Wiley Encyclopedia of Composites, Second Edition presents over 265 new and revised articles addressing the new technological advances in properties, processing, formulation, design, analysis, evaluation, manufacture, testing, and reliability of composites". Chapter included in volume one of five volume set.

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Created: Mon, 18 Jun 2012, 13:37:48 EST by David Fengwei Xie on behalf of Aust Institute for Bioengineering & Nanotechnology