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Use of Halloysite Nanotubes for the Production of Poly (lactic acid) Nanocomposites

Published online by Cambridge University Press:  22 February 2013

Canan E. Yeniova ,
Guralp Ozkoc  and
Ulku Yilmazer
Canan E. Yeniova
Affiliation:
METU Department of Chemical Engineering, 06800, Ankara / TURKEY
Guralp Ozkoc
Affiliation:
Kocaeli University Department of Chemical Engineering, 41380, Kocaeli / TURKEY
Ulku Yilmazer
Affiliation:
METU Department of Chemical Engineering, 06800, Ankara / TURKEY
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Abstract

Environmental concerns emphasize the urgent need for the development of biodegradable polymers. In this study, poly (lactic acid) (PLA), being a biodegradable polymer matrix, was used together with poly (ethylene glycol) (PEG) to enhance its low toughness. In addition, the deterioration in mechanical properties owing to plasticization was tried to be overcome by addition of nanofiller. As nanofiller, two nanotubular halloysite (HNT) types, one local (ESAN HNT) and an imported one (Nanoclay HNT) supplied by Aldrich, were used. As the first step, characterization and purification of local HNT was performed. In the second step, plasticized and unplasticized PLA matrix composites containing 3, 5 and 10 wt % were prepared and their morphological and mechanical analysis were performed. Upon the addition of both ESAN HNT (local HNT) and Nanoclay HNT (imported HNT) no improvement was observed in the basal spacing of the clay layers owing to poor interaction between the matrix and the surface of the nanotubes which should be modified for better dispersion.

Keywords

nanostructurepolymerfiber
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1504: Symposium V – Geometry and Topology of Biomolecular and Functional Nanomaterials , 2013 , mrsf12-1504-v03-02
Copyright
Copyright © Materials Research Society 2013

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References

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