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Journal of Polymers and the Environment

, Volume 18, Issue 3, pp 401–406 | Cite as

Biodegradation of Poly(3-Hydroxybutyrate) Produced from Cupriavidus necator with Different Concentrations of Oleic Acid as Nutritional Supplement

  • A. L. S. Schneider
  • D. D. Silva
  • M. C. F. Garcia
  • V. H. Grigull
  • L. P. Mazur
  • S. A. Furlan
  • G. F. Aragão
  • A. P. T. Pezzin
Original Paper

Abstract

The environmental impact caused by the disposal of plastics has motivated the development of biodegradable materials. Recent studies showed that supplementation with oleic acid (OA) in cultures producing poly(3-hydroxybutyrate), P(3HB), increased the polymer productivity. However only few studies have shown the properties and biodegradation profile of the polymer obtained. This research investigated the influence of OA concentration on the biodegradation of the P(3HB) obtained from cultures of Cupriavidus necator. The crystallinity of the casting films determined by differential scanning calorimetry (DSC) was reduced from 70% (0 g L−1 of OA) to 52% (3.0 g L−1 of OA). A reduction of 11 °C in the melting temperature was observed with 3.0 g L−1 of OA. The kinetic of biodegradation was: 3.0 > 1.5 > 0.9 > 0.3 > 0 g L−1 of OA.

Keywords

Biodegradation Oleic acid Cupriavidus necator Poly(3-hydroxybutyrate) Differential scanning calorimetry 

Notes

Acknowledgment

We would like to thanks FAP/UNIVILLE, FAPESC and CNPq for the financial support.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • A. L. S. Schneider
    • 1
  • D. D. Silva
    • 1
  • M. C. F. Garcia
    • 1
  • V. H. Grigull
    • 1
  • L. P. Mazur
    • 1
  • S. A. Furlan
    • 1
  • G. F. Aragão
    • 2
  • A. P. T. Pezzin
    • 1
  1. 1.Process Engineering Master Science ProgramUniversity of Joinville Region, UNIVILLE, Campus UniversitárioJoinvilleBrazil
  2. 2.Department of Food EngineeringFederal University of Santa CatarinaFlorianópolisBrazil

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