Water Vapour Permeability of PLA Nanocomposites.pdf (1.5 MB)
Water vapour permeability of poly(lactic acid) nanocomposites
journal contribution
posted on 2015-06-22, 14:57 authored by Zhouyang Duan, Noreen Thomas, W. HuangA series of poly(lactic acid) (PLA) nanocomposites containing from 1 up to 6 wt% of montmorillonite layered silicate were prepared by melt compounding followed by compression moulding. The morphology of the nanocomposites was investigated using transmission electron microscopy (TEM) and wide-angle X-ray diffraction (WAXD) and it was confirmed that the nanocomposite structures were intercalated. The average aspect ratio of the compounded nanoclay was found to be 50. Water vapour transmission rates (WVTR) through the films were measured at 38 °C and at a relative humidity of 90%. It was found that the measured values of WVTR decreased with increasing nanoclay content up to a value of 5 wt% and the results gave good agreement with predictions from the Nielsen ‘tortuous path’ model.
Funding
The authors are grateful for funding for this work from the Engineering & Physical Sciences Research Council (EPSRC) and PepsiCo International Ltd.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Materials
Published in
JOURNAL OF MEMBRANE SCIENCEVolume
445Pages
112 - 118 (7)Citation
DUAN, Z., THOMAS, N.L. and HUANG, W., 2013. Water vapour permeability of poly(lactic acid) nanocomposites. Journal of Membrane Science, 445, pp. 112 - 118.Publisher
© Elsevier B.V.Version
- AM (Accepted Manuscript)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2013Notes
This article was accepted for publication in the Journal of Membrane Science [© Elsevier]. The definitive version is available at: http://dx.doi.org/10.1016/j.memsci.2013.06.008ISSN
0376-7388Publisher version
Language
- en