Authors: Sreekumar, P.A.¹; Saiah, Redouan²; Saiter, Jean Marc²; Leblanc, Nathalie³; Joseph, Kuruvilla⁴; Unnikrishnan, G.⁵; Thomas, Sabu⁶

Source: Composite Interfaces, Volume 15, Number 6, 2008 , pp. 629-650(22)

Publisher: VSP, an imprint of Brill

Abstract:

Using thermogravimetric analysis (TGA), the thermal behavior of sisal fibers and sisal/polyester composites, fabricated by resin transfer molding (RTM), has been followed. Chemical treatments have been found to increase the thermal stability, which has been attributed to the resultant physical and chemical changes. Scanning electron microscopy (SEM) and infrared (FT-IR) studies were also performed to study the structural changes and morphology in the sisal fiber during the treatment. The kinetic studies of thermal degradation of untreated and treated sisal fibers have been performed using Broido method. In the composites, as the fiber content increases, the thermal stability of the matrix decreases. The treated fiber reinforced composites have been found to be thermally more stable than the untreated derivatives. The increased thermal stability and reduced moisture behavior of treated composites have been correlated with fiber/matrix adhesion.

Keywords: RESIN TRANSFER MOLDING; THERMOGRAVIMETRIC ANALYSIS; FIBER TREATMENT

Document Type: Research article

DOI: http://dx.doi.org/10.1163/156855408785971317

Affiliations: 1: National Institute of Technology Calicut, NIT Campus PO, Calicut, Kerala-673601, India, Laboratoire Polymères, Biopolymères et Membranes, Unité CNRS 6522, équipe LECAP, Institut des Matériaux Rouen, Université de Rouen, Faculté des Sciences, Avenue de L'université BP 12, 76801 Saint Etienne du Rouvray, France 2: Laboratoire Polymères, Biopolymères et Membranes, Unité CNRS 6522, équipe LECAP, Institut des Matériaux Rouen, Université de Rouen, Faculté des Sciences, Avenue de L'université BP 12, 76801 Saint Etienne du Rouvray, France 3: Laboratoire de Génie des Matériaux de l'Aliment (LGMA), Esitpa — Rue Grande — BP 607-27 106 Val de Reuil Cedex, France 4: Department of Chemistry, St. Berchmans' College, Changanacherry PO, Kottayam, Kerala-686101, India 5: National Institute of Technology Calicut, NIT Campus PO, Calicut, Kerala-673601, India 6: School of Chemical Sciences, Mahatma Gandhi University, Priyadarshini Hills PO, Kottayam, Kerala-686560, India; , sabut552001@yahoo.com, Email: sabut@sancharnet.in

Publication date: 2008-08-01

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