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Physico-Mechanical and Morphological Study of Starch/Polyvinylalcohol Based Biocomposite Films Reinforced with Microcrystalline Cellulose

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Micro crystalline (MC) cellulose particles were prepared from cotton slivers by acid hydrolysis. Starch/Polyvinyl alcohol (PVA) based biocomposite films reinforced with microcrystalline cellulose were prepared by solution casting method, incorporating glycerol as a plasticizer. Reinforcements were done by using cellulose microcrystals with different weight percent for example 2, 5, 10 and 15. These biocomposite films were characterized by X-ray diffraction (XRD), mechanical characterization, permeability test, water uptake behavior, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Mechanical properties, moisture uptake and water vapor transmission rate of the biocomposite films were found to be significantly dependent on the MC cellulose content of the films. SEM investigation was undertaken to determine the size of the MC cellulose particles formed and also to investigate the dispersion of MC cellulose particles in the starch/PVA blend matrix.
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Document Type: Research Article

Publication date: March 1, 2009

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  • The goal of the creation of a biobased economy is challenging to agriculture, forestry, academia, government and industry. The extractable resources of the Earth are finite, regardless of the quibble over when they will be depleted. The economic, political and social demands for biobased chemicals, materials and energy are expected to radically transform the materials industries, particularly the plastics industry as well as the biofuel industry. These changes will be based on the principles of sustainability, eco-efficiency, industrial ecology, and green chemistry and engineering. In keeping with the growth of knowledge in this field, there is a strong need for a forum to share original research related to biobased materials and bioenergy. The Journal of Biobased Materials and Bioenergy (JBMB) has been created as an international peer-reviewed periodical to fulfill the need for communication in these research areas. This journal will encompass related research activities in all fields of science, engineering and the life sciences.
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