Characterization of a novel natural cellulosic fiber from Prosopis juliflora bark

被引：346
作者：
Saravanakumar, S. S. [1 ]
Kumaravel, A. [2 ]
Nagarajan, T. [3 ]
Sudhakar, P. [4 ]
Baskaran, R. [5 ]
机构：
[1] Kamaraj Coll Engn & Technol, Dept Mech Engn, Virudunagar 626001, Tamil Nadu, India
[2] KS Rangasamy Coll Technol, Dept Mech Engn, Thiruchengode 637215, Tamil Nadu, India
[3] Kamaraj Coll Engn & Technol, Dept Biotechnol, Virudunagar 626001, Tamil Nadu, India
[4] Kamaraj Coll Engn & Technol, Dept Comp Sci Engn, Virudunagar 626001, Tamil Nadu, India
[5] Kamaraj Coll Engn & Technol, Dept Polymer Technol, Virudunagar 626001, Tamil Nadu, India
来源：
CARBOHYDRATE POLYMERS | 2013年 / 92卷 / 02期
关键词：
Prosopis juliflora; Cellulosic fiber; X-ray diffraction; Thermogravimetric analysis; Scanning electron microscopy; THERMOGRAVIMETRIC ANALYSIS; MECHANICAL-PROPERTIES; JUTE; COMPOSITES; PYROLYSIS; SURFACE; STRESS; STEMS; SISAL; HEMP;
D O I：
10.1016/j.carbpol.2012.11.064
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Natural fibers from plants are ideal choice for producing polymer composites. Bark fibers of Prosopis juliflora (PJ), an evergreen plant have not been utilized for making polymer composites yet. Hence, a study was undertaken to evaluate their suitability as a novel reinforcement for composite structures. PJ fiber (PJF) was analyzed extensively to understand its chemical and physical properties. The PJF belonged to gelatinous or mucilaginous type. Its lignin content (17.11%) and density (580 kg/m(3)) were relatively higher and lower, respectively in comparison to bark fibers of other plants. The free chemical groups on it were studied by FTIR and XRD. It had a tensile strength of 558 +/- 13.4 MPa with an average strain rate of 1.77 +/- 0.04% and microfibril angle of 10.64 degrees +/- 0.45 degrees. Thermal analyses (TG and DTG) showed that it started degrading at a temperature of 217 degrees C with kinetic activation energy of 76.72 kJ/mol. (C) 2012 Elsevier Ltd. All rights reserved.
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收藏
页码：1928 / 1933
页数：6
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