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Morphological and Material Properties of Polyethyleneterephthalate (PET) Fibres with Spores Incorporated

Research and development

Authors:

  • Ciera Lucy
    Department of Textiles, Faculty of Engineering and Architecture, Ghent University, Gent, Belgium
  • Beladjal Lynda
    Terrestrial Ecology Unit, Department of Biology, Faculty of Science, Ghent University, Gent, Belgium
  • Almeras Xavier
    Devan Chemicals, Ronse, Belgium
  • Gheysens Tom
    ESA Advanced Concepts Team, ESTEC, Noordwijk, The Netherlands
  • Van Landuyt Lieve
    Department of Textiles, Faculty of Engineering and Architecture, Ghent University, Gent, Belgium
  • Mertens Johan
    Terrestrial Ecology Unit, Department of Biology, Faculty of Science, Ghent University, Gent, Belgium
  • Nierstrasz Vincent
    The Swedish School of Textiles, University of Borås, Borås, Sweden
  • Van Langenhove Lieva
    Department of Textiles, Faculty of Engineering and Architecture, Ghent University, Gent, Belgium

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Abstract:

Owing to the current demand for textiles with new functionalities and improved properties, there has been a continuous effort to modify Polyethylene terephthalate (PET) materials. In our previous study, we demonstrated that Bacillus amyloliquefaciens spores can be incorporated into PET fibres during extrusion. However, the extent to which they can be incorporated without fundamentally changing the properties of the fibres is unknown. In this work, scanning electron microscopy (SEM), transmission electron microscopy (TEM), optical microscopy (OM), differential scanning calorimetry (DSC), a Favimat tensile tester, and Raman and Fourier transform infrared spectroscopy (FT-IR) were used to study the properties of PET/spore fibres. The tensile strength, Young’s modulus and elongation at break were dependent on the spore concentration. Additionally the degree of crystallinity increased slightly, whereas the melting and crystallisation temperatures remained constant at all spore concentration levels. Nevertheless the properties of the fibres fall within the acceptable range of variation and are found to be as good as normal PET fibres.

 

Tags:

bacteria spores, PET fibres, extrusion, fibre properties.

Citation:

Ciera L, Beladjal L, Almeras X, Gheysens T, Van Landuyt L, Mertens J, Niestrasz V, Van Langenhove L. Morphological and Material Properties of Polyethyleneterephthalate (PET) Fibres with Spores Incorporated. FIBRES & TEXTILES in Eastern Europe 2014; 22, 4(106): 29-36.

 

Published in issue no 4 (106) / 2014, pages 29–36.

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