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

• Autorzy: Ciera L , Beladjal L , Almeras X , Gheysens T , Van Landuyt L , Mertens J , Nierstrasz V , Van Langenhove L

Warianty tytułu

PL

Właściwości morfologiczne i strukturalne włókien z polietylenu tereftalatu domieszkowanych zarodnikami

• Języki publikacji: EN

Abstrakty

EN

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.

PL

Biorąc pod uwagę zapotrzebowanie na tekstylia o polepszonych właściwościach i nowych właściwościach funkcyjnych prowadzone są ciągłe badania nad modyfikacyjny z polietylenu tereftalanowego (PET). W naszej poprzedniej pracy wykazaliśmy,ze zarodniki Bacillus amylliquefaciens można wprowadzić do włókien PET w czasie ich wytłaczania. Teraz badano w jakiej ilości zarodniki te można wprowadzić do włókien bez fundamentalnej zmiany ich właściwości. W pracy stosowano mikroskopie optyczna, SEM, TEEM jak również różnicową kalorymetrie skaningową (DSC), spektroskopię FTIR oraz Ramana oraz badania wytrzymałościowe. Stwierdzono,ze wytrzymałość na rozciąganie, moduł Younga oraz wydłużenie przy zerwaniu zależą od stężenia zarodników we włóknie. Dodatkowo stwierdzono, że stopień krystaliczności lekko wzrasta, podczas gdy temperatura topnienia i krystalizacji pozostają stałe przy wszystkich stosowanych stężeniach zarodników. Badania pozwoliły stwierdzić,ze właściwości włókien z zarodnikami są w granicach akceptowalnych zmian normalnych włókien PET.

Słowa kluczowe

EN

bacteria spores; PET fibres; extrusion; fibre properties

PL

włókna PET; właściwości morfologiczne włókien; właściwości strukturalne włókien; włókna domieszkowane zarodnikami

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2014
• Tom: Vol. 22, no. 4 (106)
• Strony: 29--36
• Opis fizyczny: Bibliogr. 40 poz., rys., wykr., tab.

Twórcy

autor

Ciera L

• Belgium, Gent, Ghent University, Faculty of Engineering and Architecture, Department of Textiles

autor

Beladjal L

• Belgium, Gent, Ghent University, Faculty of Science, Department of Biology

autor

Almeras X

• Belgium, Ronse, Devan Chemicals,

autor

Gheysens T

• The Netherlands, Noordwijk,, ESA Advanced Concepts Team, ESTEC,

autor

Van Landuyt L

• Belgium, Gent, Ghent University, Faculty of Engineering and Architecture, Department of Textiles

autor

Mertens J

autor

Nierstrasz V

autor

Van Langenhove L

• Belgium, Gent, Ghent University, Faculty of Engineering and Architecture, Department of Textiles

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