journal article·2018-03-05Open access

The Improvement of Mechanical Properties, Thermal Stability, and Water Absorption Resistance of an Eco-Friendly PLA/Kenaf Biocomposite Using Acetylation

Taek-Jun Chung, Ji-Won Park, Hyun-Ji Lee, Hueck-Jin Kwon, Hyun-Joong Kim, Young-Kyu Lee, William Tai Yin Tze

Applied Sciences· Volume 8· Issue 3

Abstract

As a result of industrialization and environmental pollution, increasing importance is being given to eco-friendly materials and technology. In particular, eco-friendly biocomposites using polylactic acid (PLA) have attracted great interest. In this work, fiber-reinforced composites were investigated in order to enhance the mechanical properties and improve the economic efficiency of PLA. Specifically, composite materials using natural fibers, such as kenaf were actively studied. In the utilization of natural fibers, such as kenaf, the treatment method for increasing the bonding force between the fiber and the matrix is very important. In this study, the surface of kenaf was treated using an acetylation technique, and the PLA composite material was prepared using surface-treated kenaf. Changes in fiber properties were observed with acetylation treatment time. The mechanical properties, thermal stability, and water absorption resistance of the acetylated kenaf and PLA composites prepared for each condition were evaluated. Finally, was concluded that acetylation treatment is effective for improving the performance of PLA/kenaf composites. This behavior was found to relate to the surface cleaning of acetylated kanaf, in addition to the efficient modification of the hydrophilic characteristics of kenaf.
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Research context

OpenAlex topics: Natural Fiber Reinforced Composites · biodegradable polymer synthesis and properties · Nanocomposite Films for Food Packaging

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

LG Chemistry, 188, Munji-ro, Yuseong-gu, Daejeon 34122, Korea

Laboratory of Adhesion & Bio-Composites, Program in Environmental Materials Science, College of Agriculture and Life-Science, Seoul National University Seoul, Seoul 08826, Korea

Research Institute for Agriculture & Life Sciences, Seoul National University, Seoul 08826, Korea

Indoor Air Quality Analysis Center, National Instrumentation Center for Environmental Management, Seoul National University, Seoul 08826, Korea

Department of Bioproducts & Biosystems Engineering, University of Minnesota, Saint Paul, MN 55108-6130, USA

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