Abstract
The mechanical–thermal properties and volatile organic compound (VOC) emissions of natural-flour-filled, biodegradable polymer bio-composites were investigated according to variation in porous inorganic filler types. At a porous inorganic filler content of 3%, the tensile and flexural strengths of the hybrid bio-composites were not significant changed. However, the coefficient of thermal expansion and thermal expansion of the bio-composites were slightly decreased. Furthermore, the incorporation of the porous inorganic materials into bio-composites slightly increased the E’ values of the hybrid bio-composites over the entire temperature range, although the tan δmax temperature (T g) of the hybrid bio-composites was not significantly changed. At a porous inorganic filler content of 3%, the various odor and VOC emissions of the hybrid bio-composites were significantly decreased because the various oxidation and thermal degradation gases of the natural flour and matrix were absorbed in the pore structures of the porous inorganic fillers and thereby prevented the migration into the final products.
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This work was financially supported by the Cleaner Production R&D Program and the Brain Korea 21 project.
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Kim, HS., Lee, BH., Kim, HJ. et al. Mechanical–Thermal Properties and VOC Emissions of Natural-Flour-Filled Biodegradable Polymer Hybrid Bio-Composites. J Polym Environ 19, 628–636 (2011). https://doi.org/10.1007/s10924-011-0313-5
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DOI: https://doi.org/10.1007/s10924-011-0313-5