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Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   FALL 2017 , Volume 32 , Number 3 (60) #p00537; Page(s) 402 To 410.

The effects of wood plastic composite made with high density polyethylene recycling on the physical and mechanical properties of new prod

Author(s):  Zafarisarmowri M., FAROKHPAYAM S.R.*, Sanei E., SHAMSIAN M.
* paper and wood science and technology department, University of Zabol, zabol, Iran
Although many studies have been done on the application of waste materials such as used plastics, but recycling of wood plastic products (Regrinding) for the production of the new product is rarely reported. In this work, the effect of once and twice regrinding on the functional properties of WPC made from high density polyethylene (HDPE) has been studied. The specimens were fabricated with powdered raw materials and the flat press under laboratory conditions. HDEP and poplar wood flour were mixed with a weight ratio of 50-50 percent. The physical and mechanical properties of boards were measured after each regrinding and also the effect of regrinding on filler particle size and the interface between the polymer and wood flour some was evaluated by Scanning Electron Microscopy (SEM). The results of this research showed that regrinding of WPC leads to a decrease in mechanical properties including bending strength, flexural modulus, tensile strength and tensile modulus. On the other hand, regrinding process leads to improved physical properties including water absorption and thickness swelling after 24 hours water soaking. SEM photographs showed that during the process of regrinding, filler particle size is reduced while matrix surrounding the filler particles is better.
Keyword(s): Regrind,wood plastic composite,Physical and mechanical properties,matrix,filler
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