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Production and evaluation of lightweight particle board using expanded polyurethane foam | ||
| تحقیقات علوم چوب و کاغذ ایران | ||
| Article 2, Volume 38, Issue 2 - Serial Number 83, June 2023, Pages 87-99 PDF (956.25 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijwpr.2022.359412.1722 | ||
| Authors | ||
| Mohammad Hamed1; Babak Nosrati* 2; Ali Shalbafan3; Mohammad Dahmardeh Ghaleno4; Saeid Reza Farrokhpayam5 | ||
| 1Ph.D. Student in Lignocellulosic Composites, Zabol University, Iran | ||
| 2Associate Professor, Department of Wood and Paper Science and Technology Engineering, Faculty of Natural Resources, Zabol University, Iran | ||
| 3Associate Professor, Department of Wood and Paper Science and Technology Engineering, Faculty of Natural Resources, Noor County, Tarbiat Modares University, Tehran, Iran | ||
| 4Assistant Professor, Department of Wood and Paper Science and Technology Engineering, Faculty of Natural Resources, Zabol University, Iran | ||
| 5Associate Professor, Department of Wood and Paper Science and Technology Engineering, Faculty of Natural Resources, Zabol University, Iran | ||
| Abstract | ||
| In recent years, the most important challenge for wood-based compact producers has been an increasing demand for a variety of wood materials, raw material prices, and rising transportation costs. On the other hand, the use of lightweight elements in the manufacture of decoration and furniture has received much attention. The present study aimed at evaluating the effect of different levels of two variables on the size and amount of expanded polyurethane chips in the production of lightweight composite particle boards. To this end, the size of polyurethane particles at three levels (10, 5, and 15 mm) and their amount at four levels (10, 5, 0, and 15%) were chosen as research variables, and the amount of adhesive consumption, press pressure, board thickness, and final density were considered as fixed factors. The results showed that flexural strength, the flexural modulus of elasticity, internal adhesion, and thickness elongation increased significantly with increasing the size of polyurethane particles in the middle layer of the board, but the effect of size was not significant on the water absorption of the samples. Also, increasing the percentage of polyurethane in the middle layer increased the mechanical properties and improved the physical properties compared to the control sample, and it had the largest effect on the internal adhesion of the samples. | ||
| Keywords | ||
| Lightweight composite; Expanded polyurethane foam; Light weighting; Particle size | ||
| References | ||
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