Preparation and characterisation of biodegradable starch-based nanocomposite materials

McGlashan, S. A. and Halley, P. J. (2003) Preparation and characterisation of biodegradable starch-based nanocomposite materials. Polymer International, 52 11: 1767-1773. doi:10.1002/pi.1287

Author McGlashan, S. A.
Halley, P. J.
Title Preparation and characterisation of biodegradable starch-based nanocomposite materials
Journal name Polymer International   Check publisher's open access policy
ISSN 0959-8103
Publication date 2003-01-01
Year available 2003
Sub-type Article (original research)
DOI 10.1002/pi.1287
Open Access Status Not yet assessed
Volume 52
Issue 11
Start page 1767
End page 1773
Total pages 7
Place of publication Chichester
Publisher John Wiley & Sons
Language eng
Subject C1
291401 Polymers
670705 Plastic products (incl. construction materials)
Abstract Different formulations of biodegradable starch-polyester blend nanocomposite materials have been film blown on a pilot scale film blowing tower. The physical properties of different films have been examined by thermal and mechanical analysis and X-ray diffraction. The results show that the addition of an organoclay (from 0 to 5 wt%) significantly improves both the processing and tensile properties over the original starch blends. Wide angle X-ray diffraction (WAXD) results indicate that the best results were obtained for 30wt% starch blends, and the level of delamination depends on the ratio of starch to polyester and amount of organoclay added. The crystallisation temperature of the nanocomposite blends is significantly lower than the base blend. This is probably due to the platelets inhibiting order, and hence crystallisation, of the starch and polyester. The mechanical and thermal properties of the blends are also sensitive to the way the clay particles are dispersed. (C) 2003 Society of Chemical Industry.
Keyword Polymer Science
Biodegradable Nanocomposite
Starch-based Polymer
Biodegradable Film
Layered Silicate Nanocomposites
Polymer Melt Intercalation
Processing Conditions
Q-Index Code C1
Institutional Status UQ

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Created: Wed, 15 Aug 2007, 11:49:25 EST