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Journal of Reinforced Plastics and Composites
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Thermo Gravimetric Analysis of Ridge Gourd Natural Fabric Reinforcement

A. Varada Rajulu

Department of Polymer Science and Technology Sri Krishnadevaraya University Anantapur, 515 003, India; arajulu{at}rediffmail.com

R. Rama Devi

Department of Polymer Science and Technology Sri Krishnadevaraya University Anantapur, 515 003, India

A. Venunadhan

Department of Chemistry V. R. College, Nellore, 524 001, India

The natural bilayer fabric of ridge gourd vegetable belonging to the Cucurbitaceae family is treated with 2% aqueous NaOH solution. The primary thermograms of the fibers from this natural fabric of both the layers (top and bottom) before and after alkali treatment are recorded in an inert atmosphere at a heating rate of 10C/min. Using these thermograms, the initial and final degradation temperatures and inflection points are found. Employing the Doyle method, the integral procedural degradation temperature is also determined. The thermal stability of fabric for both layers is found to increase on alkali treatment.

Key Words: ridge gourd • Luffa acutangula • thermogravimetric analysis • thermal degradation parameters

Journal of Reinforced Plastics and Composites, Vol. 25, No. 8, 815-819 (2006)
DOI: 10.1177/0731684406065064
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 Journal of Composite MaterialsHome page
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 Journal of Reinforced Plastics and CompositesHome page
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