NDLI: Fabrication and Characterization of Biodegradable Composite Films Made of Using Poly(caprolactone) Reinforced with Chitosan

Content Provider	Springer Nature Link
Author	Sharmin, Nusrat Khan, Ruhul A. Salmieri, Stephane Dussault, Dominic Lacroix, Monique
Copyright Year	2012
Abstract	Chitosan was dissolved in 2 % aqueous acetic acid solution and the films were prepared by solution casting. Values of tensile strength (TS), tensile modulus (TM), elongation at break (Eb %) and water vapor permeability (WVP) of the chitosan films were found to be 30 MPa, 450 MPa, 8 % and 4.7 g mm/m$^{2}$ day kPa, respectively. Poly(caprolactone) (PCL) films were prepared from its granules by compression molding and the values of TS, TM, Eb and WVP were 14 MPa, 220 MPa, 70 % and 1.54 g mm/m$^{2}$ day kPa, respectively. PCL was reinforced with chitosan films, and composite films were prepared by compression molding. Amount of chitosan in the composite films varied from 10 to 50 % (w/w). It was found that with the incorporation of chitosan films in PCL, both the values of TS and TM of composite films increased significantly. The highest mechanical properties were found at 50 % (w/w) of chitosan content. The Oxygen transmission rate (OTR) of composite film was found to decrease significantly than PCL films. Thermal properties of the composite were also improved as compared to PCL. The water uptake test of the composite also showed promising results with a good stability of composite films. The interface of the composite was investigated by scanning electron microscopy and showed good interfacial adhesion between PCL and chitosan films.
Starting Page	698
Ending Page	705
Page Count	8
File Format	PDF
ISSN	15662543
Journal	Journal of Polymers and the Environment
Volume Number	20
Issue Number	3
e-ISSN	15728900
Language	English
Publisher	Springer US
Publisher Date	2012-04-20
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biodegradable films Composites Chitosan Packaging materials PCL Compression molding Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Environmental Engineering Polymers and Plastics

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