Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 70, Issue 16, Pages 2319-2324Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2010.09.012
Keywords
Fibers; Mechanical properties; Scanning electron microscope (SEM)
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Funding
- National Basic Research Program of China (973 Program) [2010CB732203]
- National Supporting Project for Science and Technology [2006BAF02A09]
- National High Technology Research and Development Program of China (863 Program) [2003AA333040, 2006AA02Z102]
- National Natural Science Foundation of China [20474048, 20874079]
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All-cellulose composite films reinforced with ramie fibers were prepared from aqueous NaOH-urea solvent system via a simple pathway. The structure and physical properties of the modified ramie fibers and composite films were characterized by scanning electron microscope (SEM), wide angle X-ray diffraction (WAXD), Fourier transform infrared spectrometer, ultraviolet-visible spectroscope, thermogravimetry, biodegradation tests and tensile tests. The results revealed that a good compatibility existed between the modified ramie fibers and cellulose matrix. The all-cellulose composite films exhibited high tensile strength, good optical transmittance, thermal stability, and biodegradability. The tensile strength and elastic modulus of the composite films increased with an increase of the ramie fibers. These high-strength biodegradable films prepared by a green pathway have potential applications as packaging materials and biomaterials. (C) 2010 Elsevier Ltd. All rights reserved.
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