Polyhydroxyalkanoates: Properties and chemical modification approaches for their functionalization

Zulfiqar Ali Raza, Shahina Riaz, Ibrahim M Banat

Research output: Contribution to journalArticle

29 Citations (Scopus)
122 Downloads (Pure)

Abstract

Polyhydroxyalkanoates (PHAs) have become an attractive biomaterial in research in the past few years due to their extensive potential industrial applications. Being long chain hydroxyl fatty acid molecules, the PHAs are hydrophobic in nature, and have less functional groups. These features limit their applications in various areas. To enhance their usage, these polymers may need to be modified including surface and chemical modifications. Such modifications may alter their mechanical properties, surface structure, amphiphilic character and rate of degradation to fulfil the requirements for their future applications. Chemical modifications allow incorporation of functional groups to PHAs that could not be introduced through biotechnological methods. These chemically reformed PHAs, with enhanced properties could be used for broad range of applications. This review aims to introduce different chemical modification approaches including some recent methods that had not been explored or discussed so far for PHAs as possible technologies for widening the range of product and application potentials. This article is protected by copyright. All rights reserved.
Original languageEnglish
JournalBiotechnology Progress
Volumeonline
Early online date27 Sep 2017
DOIs
Publication statusE-pub ahead of print - 27 Sep 2017

Keywords

  • Chemical
  • PHAs
  • PHB
  • Polyhydroxyalkanoates
  • Polyhydroxybutyrates

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