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Effects of Wood Fiber Size on the Performance of Biodegradable Foam

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Biodegradable foam for cushion packing materials was prepared with wood fiber and starch through mold foaming. This study investigated the effect of wood fiber size and content on the mechanical properties of the foam. The results showed the size and content of the wood fiber bearing significant influences on the density, compressive strength, and tensile strength of the resultant foams. Lower size of wood fiber aided in better foaming, and a 40 wt% of 125–180 μm wood fiber yielded the best mechanical properties among the blends investigated. The behavior of the foaming agent was a function of the foaming temperature, and 150 °C was deemed as the optimum temperature for foaming. The compressive strength increased with an increase in wood fiber fraction, whereas the tensile strength decreased with increased wood fiber fraction. Overall, physical and mechanical properties of the biodegradable foams developed herein showed potential as cushion packing materials.
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Keywords: BIODEGRADABLE FOAM; MECHANICAL PROPERTIES; SIZE; STARCH; WOOD FIBER

Document Type: Research Article

Publication date: 01 June 2017

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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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