Research Papers

Physical, Mechanical, and Degradability Properties of Chemically Treated Jute Fiber Reinforced Biodegradable Nanocomposites

[+] Author and Article Information
M. K. Hossain1

Center for Advanced Materials,  Tuskegee University, Tuskegee, AL 36088hossainm@mytu.tuskegee.edu

M. W. Dewan, M. V. Hosur, S. Jeelani

Center for Advanced Materials,  Tuskegee University, Tuskegee, AL 36088


Corresponding author.

J. Eng. Mater. Technol 133(4), 041003 (Oct 13, 2011) (7 pages) doi:10.1115/1.4004690 History: Received March 09, 2011; Revised July 13, 2011; Accepted July 22, 2011; Published October 13, 2011; Online October 13, 2011

Biodegradable composites were fabricated using chemically treated woven jute fiber, a biodegradable polymer (biopol), and 2–4 wt. % montmorillonite K10 nanoclay by compression molding process. Physical, mechanical, and biodegradability properties of these composites were evaluated in this study. Morphology of modified surfaces of jute fabrics examined using scanning electron microscopy and Fourier transform infrared spectroscopy revealed improved surfaces for better adhesion with matrix. Nanoclay infused samples demonstrated lower moisture and water absorption compared with treated jute fiber biopol composites and untreated jute fiber biopol composites. The effect of moisture absorption on flexural properties and degradability on the dynamic mechanical properties was also studied. Flexural properties were found to degrade with moisture absorption, and the percentage reduction was lower in nanoclay infused samples compared with samples without nanoclay. Storage modulus decreased with biodegradation and rate of decrease was lower in nanoclay infused specimens.

Copyright © 2011 by American Society of Mechanical Engineers
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Figure 1

(a) FTIR spectra and (b) SEM micrographs of treated and untreated jute fibers

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Figure 2

Flexure stress-strain plots (a) before moisture absorption and (b) after moisture absorption for 60 days

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Figure 3

SEM micrographs of jute biopol composites after flexure test

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Figure 4

Optical micrographs of jute biopol composites before degradation and after degradation for 90 days

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Figure 5

Storage modulus vs. temperature curves of jute biopol composites (a) before degradation, (b) after degradation for 60 days



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