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Title: Chemical treatment of sisal fiber using alkali and clay method
Authors: Mohan, T. P. 
Kanny, Krishnan 
Keywords: A. Fibers;E. Surface treatments;A. Polymer–matrix composites (PMCs);B. Mechanical properties
Issue Date: 24-Jul-2012
Publisher: Elsevier
Source: Mohan, T. P. and Kanny, Krishnan 'Chemical treatment of sisal fiber using alkali and clay method.' Composites Part A: Applied Science and Manufacturing. 43,11 (2012): 1989-1998
Abstract: In this study the chemical treatment of sisal fiber using the combined alkali (NaOH) and clay is discussed.
The purpose of this fiber treatment is to improve the fiber–matrix compatibility, interface strength,
mechanical, thermal and water barrier properties. The phase change due to chemical treatment of raw
sisal fiber was examined by Fourier Transform Infrared (FTIR) spectroscopy, Scanning Electron Microscopy
(SEM) and X-ray diffraction (XRD) methods. The result shows the presence of about 20 wt.% clays
in NaOH–clay treated sisal fiber with 2.6 reduced water uptake and also with improved mechanical
and thermal properties. Subsequently the treated and untreated fibers were reinforced in polypropylene
(PP) matrix and the mechanical and thermal properties were examined. The result indicates that the
fiber–matrix interface strength, adhesion, glass transition temperature and tensile properties of composites
were improved in NaOH–clay treated fiber composites.
Appears in Collections:Research Publications (Engineering and Built Environment)

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