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Bamboo–Fiber Filled High Density Polyethylene Composites: Effect of Coupling Treatment and Nanoclay

Abstract

High density polyethylene (HDPE)/bamboo composites with different nanoclay and maleated polyethylene (MAPE) contents were fabricated by melt compounding. The compounding characteristics, clay dispersion, HDPE crystallization, and mechanical properties of the composites were studied. The equilibrium torque during compounding decreased with use of clay masterbatch and increased with the addition of MAPE. The X-ray diffraction (XRD) data showed that the clay was exfoliated only when 1% clay was added to pure HDPE without MAPE. For HDPE/bamboo systems, MAPE was necessary to achieve clay exfoliation. For pure HDPE system, both dynamic and static bending moduli increased, while impact strength decreased with increased clay loading. For the HDPE/bamboo fiber composites, tensile strength, bending modulus and strength were improved with the use of MAPE. The use of the clay in the system led to reduced mechanical properties. Techniques such as pre-coating fibers with clay–MAPE mixture are needed to enhance the synergetic effect of the clay and bamboo fiber on the composite properties in the future study.

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Acknowledgments

The authors gratefully acknowledge the financial support from the USDA Rural Development - Biomass Initiative Program (No: 68-3A75-6-508) and from Japan Society for the Promotion of Science.

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Correspondence to Q. Wu.

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Han, G., Lei, Y., Wu, Q. et al. Bamboo–Fiber Filled High Density Polyethylene Composites: Effect of Coupling Treatment and Nanoclay. J Polym Environ 16, 123–130 (2008). https://doi.org/10.1007/s10924-008-0094-7

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  • DOI: https://doi.org/10.1007/s10924-008-0094-7

Keywords

  • Bamboo
  • High density polyethylene
  • Coupling treatment
  • Nanoclay