Department of Wood and Paper Science and Technology, Sari Branch, Islamic Azad University, Sari, Mazandaran, Iran
Abstract
In this study, the effect of foaming agent content (0, 2 and 4%) and the amount of nanoclay (0, 2 and 5%) on cell structure and mechanical properties of high density polyethylene (HDPE)/wheat straw nanocomposites foam was investigated. Also maleic anhydride grafted polyethylene (MAPE) was used as coupling agent on fixed level of 3%. Wheat straw flour, HDPE, nanoclay, foaming agent and MAPE compounded in the internal mixer (HAAKE) and then milled granules were manufactured fiber-plastic foam samples by injection molding method at 180°C. Results show that with increasing foaming agent, average cell size and cell density increased and by adding nanoclay cell size decreased. Also by adding 4% foaming agent, foam density of HDPE/wheat straw composite decreased to 21.7%. The mechanical properties of HPDE/Wheat straw composite were reduced by adding the foaming agent, but tensile strength was improved by adding 2% of nanoclay and impact strength decreased. Further evidences of foaming agent and nanoclay effects on the properties of nanocomposite foams were observed by scanning electron microscopy (SEM).
Farsi, M. (2014). Effect of Nanoclay and Foaming Agent Contents on Cell Structure and Mechanical Properties of Wheat Straw/HDPE Composites. Journal of Wood and Forest Science and Technology, 21(3), 71-92.
MLA
Mohammad Farsi. "Effect of Nanoclay and Foaming Agent Contents on Cell Structure and Mechanical Properties of Wheat Straw/HDPE Composites". Journal of Wood and Forest Science and Technology, 21, 3, 2014, 71-92.
HARVARD
Farsi, M. (2014). 'Effect of Nanoclay and Foaming Agent Contents on Cell Structure and Mechanical Properties of Wheat Straw/HDPE Composites', Journal of Wood and Forest Science and Technology, 21(3), pp. 71-92.
VANCOUVER
Farsi, M. Effect of Nanoclay and Foaming Agent Contents on Cell Structure and Mechanical Properties of Wheat Straw/HDPE Composites. Journal of Wood and Forest Science and Technology, 2014; 21(3): 71-92.
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