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Structure–Property Relation in Polyvinyl Alcohol/Starch Composites

Mr., Siddaramaiah and Baldev, Raj and Somashekar, R. (2004) Structure–Property Relation in Polyvinyl Alcohol/Starch Composites. Journal of Applied Polymer Science, 91. pp. 630-635.

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A series of polyvinyl alcohol (PVA)/starch films were cast by the solvent method. Mechanical, optical, wide-angle X-ray scattering (WAXS), and biodegradation studies of starch-filled PVA films were carried out. With the addition of starch there was an increase in haze and diffusion of light, whereas there was only slight change associated with tensile behavior and burst strength of the PVA film. Microstructural parameters, such as crystal size (�N�) and lattice distortion (g, in %) were estimated using onedimensional Hosemann’s paracrystalline model along with WAXS data. These parameters quantify the changes in the PVA/starch systems, which resulted in the observed physical properties.

Item Type: Article
Uncontrolled Keywords: polyvinyl alcohol; films; mechanical properties; microstructure; biodegradable
Subjects: 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 27 Polymer Chemistry
Divisions: Food Packaging Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 29 Jun 2009 05:25
Last Modified: 28 Dec 2011 10:10
URI: http://ir.cftri.com/id/eprint/9124

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