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Journal of Materials Science
Erschienen in: Journal of Materials Science 18/2015

01.09.2015 | Original Paper

Isothermal crystallization kinetics and melting behavior of poly(l-lactic acid)/WS2 inorganic nanotube nanocomposites

verfasst von: Mohammed Naffakh, Carlos Marco

Erschienen in: Journal of Materials Science | Ausgabe 18/2015

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Abstract

Environmentally friendly and biocompatible tungsten disulphide inorganic nanotubes (INT-WS2) were introduced into a poly(l-lactic acid) biopolymer matrix to generate novel nanocomposite materials through an advantageous melt-processing route. The effects of INT-WS2 on isothermal crystallization and melting behaviour of PLLA have been investigated. INT-WS2 has excellent acceleration effectiveness on the melt-crystallization of PLLA better than the promising nano-sized fillers reported in the literature (e.g. carbon nanotubes, graphene oxide, cellulose nanocrystals). In particular, the addition of INT-WS2 remarkably influences the energetics and kinetics of nucleation and growth of PLLA, reducing the fold surface free energy by up to 18 %. In the same way, the final crystallinity and subsequent melting behaviour of PLLA were controlled by both the incorporation INT-WS2 and variation of the crystallization temperature. These observations will enable the development of novel melt-processable PLLA/INT-WS2 nanocomposites with improved crystallization behaviour for many eco-friendly and biomedical applications.
Vorheriger Artikel Molten salt synthesis, energy transfer, and temperature quenching fluorescence of green-emitting β-Ca2P2O7:Tb3+ phosphors
Nächster Artikel A valence states approach for luminescence enhancement by low dopant concentration in Eu-doped ZnO nanoparticles

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Metadaten
Titel
Isothermal crystallization kinetics and melting behavior of poly(l-lactic acid)/WS2 inorganic nanotube nanocomposites
verfasst von
Mohammed Naffakh
Carlos Marco
Publikationsdatum
01.09.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 18/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-015-9156-0

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