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Effects of Coupling Agents and Clay on the Physical Properties of Wood Flour/Polyethylene Composites  

Park, Byung-Sub (Department of Chemical Engineering, Chungbuk National University)
Kim, Dae-Su (Department of Chemical Engineering, Chungbuk National University)
Publication Information
Polymer(Korea) / v.35, no.2, 2011 , pp. 124-129 More about this Journal
Abstract
Wood plastic composites (WPCs) are attracting a lot of interest recently. In this study, wood flour/polyethylene (PE) composites panels comprised of a coupling agent and nanoclay were prepared by melt-blending followed by compression molding. Five maleic anhydride grafted polyethylene (MAPE) coupling agents were tested, and the best choice and its optimum content were determined. The mechanical properties of the WPCs were measured by UTM, and the thermal properties were measured by TGA, DMA, DSC, and TMA. Adding just a small amount (1 phr) of organoclay made the tensile and flexural strength and the crystallinity of the WPC somewhat increase and the storage modulus and dimensional stability of the WPC largely increase. SEM images showed that the coupling agent drastically improved wood flour/PE interfacial bonding. Selecting the best coupling agent optimized content and adding a small amount of organoclay resulted in a high performance wood flour/PE composite.
Keywords
wood flour; high density polyethylene; maleic anhydride grafted polyethylene; organoclay; composites;
Citations & Related Records
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Times Cited By Web Of Science : 1  (Related Records In Web of Science)
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