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Keratin based thermoplastic biocomposites: a review

Authors
  • Shavandi, Amin1, 2
  • Ali, M. Azam1
  • 1 University of Otago, Bioengineering Research Team, Centre for Bioengineering and Nanomedicine, Department of Food Science, Dunedin, 9054, New Zealand , Dunedin (New Zealand)
  • 2 Université Libre de Bruxelles, BioMatter-Biomass transformation Lab (BTL), École interfacultaire de Bioingénieurs (EIB), Brussels, Belgium , Brussels (Belgium)
Type
Published Article
Journal
Reviews in Environmental Science and Bio/Technology
Publisher
Springer Netherlands
Publication Date
Mar 29, 2019
Volume
18
Issue
2
Pages
299–316
Identifiers
DOI: 10.1007/s11157-019-09497-x
Source
Springer Nature
Keywords
License
Yellow

Abstract

AbstractFibre reinforced composites have become important materials for manufacturing a diverse range of industrial products. Keratin-rich materials including sheep wool and poultry feathers can have added value by partially substituting synthetic polymers in the production of biocomposites with improved mechanical properties. The strong intermolecular disulfides, hydrogen, ionic and hydrophobic interactions of keratin make it behave as a thermoset material which is not easy to process and thermally blend with other polymers. Therefore, different plasticizers, compatibilizers and coupling agents were investigated in order to make keratin a processable material. This review discusses recent developments in the production of thermoplastic keratin blend biocomposites. In particular, the processing and preparation conditions has been discussed, and their strengths and limitations are enumerated and critically evaluated.Graphical abstract

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