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The effects of recycling on the physical and mechanical properties of wood plastitc composite made with high density polyethylene | ||
| تحقیقات علوم چوب و کاغذ ایران | ||
| Article 9, Volume 32, Issue 3 - Serial Number 60, September 2017, Pages 402-410 PDF (374.62 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijwpr.2017.107141.1356 | ||
| Authors | ||
| Mohammad Zafari sarmori1; saeid reza Farokhpayam* 2; Ehsan Sanei3; mohammad shamsian4 | ||
| 1Graduate student, paper and wood science and technology department, University of zabol, zabol, Iran | ||
| 2Assistant professor, paper and wood science and technology department, University of Zabol, zabol, Iran | ||
| 3Faculty member, M.Sc, paper and wood science and technology department, University of zabol, zabol, Iran | ||
| 4Associate professor, paper and wood science and technology department, University of zabol, zabol, Iran | ||
| Abstract | ||
| Although many studies have been done about the application of waste materials such as used plastics but returning of wood plastic products (Regrind) to the production cycle was rarely reported. In this work, the effect of once and twice regrind on the functional properties of WPC made from high density polyethylene (HDPE) has been studied. The specimens were fabricated with powder raw materials and by the flat press under laboratory conditions. HDEP and poplar wood flour were mixed with a weight ratio of 50-50 percent. The estimation of regrind process, physical and mechanical properties of boards were measured after each regrinding and also to evaluate of regrinding on filler particle size and the interface between the polymer and wood flour some Scanning Electron Microscopy (SEM) were prepared. 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 and on the other hand regrinding process leads to improved physical properties including water absorption and thickness swelling after hours. SEM photographs showed that during the process of regrinding, filler particle size is reduced while matrix surrounding the filler particles better. | ||
| Keywords | ||
| Regrind; wood plastitc composite; PHYSICAL AND MECHANICAL PROPERTIES; matrix; filler | ||
| References | ||
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