The Manufacture of Particleboards using Sunflower Stalks (helianthus annuus l.) And Poplar Wood (populus alba L.)

Abstract

In this study, three-layer particleboards are produced from a mixture of sunflower stalks (Helianthus annuus L.) and poplar wood (Populus alba L.) at certain ratios utilizing urea-formaldehyde (UF) adhesives. Panels with a density of 0.7 g/cm 3are manufactured with the ratios of 25, 50, and 75 percent particles from sunflower stalks or poplar. For comparison, panels are solely manufactured with sunflower stalks and poplar wood. All panels are tested for physical properties (thickness swelling (TS) and water absorption (WA)) and mechanical properties (internal bond (IB), modulus of elasticity (MOE), modulus of rupture (MOR), and screw holding capacity (SHC)). Results show that all the panels provide properties required by the Turkish standards for general purpose-use particleboards. Furthermore, properties of the panels have improved with the rising percentage of poplar particles in the panels. The combination of sunflower stalks and poplar particles can be used at different ratios and the resulting panels can be utilized in indoor applications for general purposes such as furniture manufacturing. This result may prove that sunflower stalks can be an alternative raw material for the manufacture of particleboards.

Chemical and Physical Parameters of Different Modifications of Rape Straw (Brassica napus L.)

“…This trend is largely explained by population growth, which contributes directly to a limited supply of natural resources, as well as wood shortage in all wood processing industries (Galor and Weil 2000;Bektas et al 2005;Seintsch 2011;Lauri et al 2012). One alternative source of raw materials is post-harvest rapeseed crop residue (Mohanty et al 2002;Dziurka et al 2015).…”

Particle boards produced from cassava stalks: Evaluation of physical and mechanical properties

“…1 In Nigeria and throughout the world, the panel/board industry has experienced continuous growth in recent years, using wood mainly obtained from forest resources. 2,3 The use of wood and wood-based panels/boards was estimated to be 2.866 million m 3 and 0.121 million m 3 , respectively, in the early 1990s.…”

“…4,5 The increased demand for wood and wood-based panel products in Nigeria has placed a significant pressure on current forest resources, which has consequently led to an increase in the price of wood. 1,6 This demand has led to the need to find alternative raw materials for the production of boards and panels. One solution to this problem, as identified by researchers, is the use as an alternative of agricultural residues such as the stalks of most cereal crops, rice husks, coconut fibres (coir), bagasse, maize cobs, peanut shells, cassava stalks, etc.…”

“…Most of these studies were focused on determining the suitability of these wastes for the manufacture of composites. 1,11 Some of the agro-wastes studied so far include rice husk 10 , rattan 15 , pine 11 , wood wastes 16 , wheat straw 17 , cotton straw 18 , sunflower stalks 1 , and date palm leaves 19 .…”

Selected Properties of Corrugated Particleboards Made from Bamboo Waste (Phyllostachys edulis) Laminated with Medium-Density Fiberboard Panels

“…The increased demands of raw materials in wood panel, pulp and paper manufacturing have led to worldwide shortages of forest resources. Over the past decades, many non-wood lignocellulosic biomasses, including bamboo, wheat straw, cotton stalks, bagasse, rice straw, sunflower stalk, and kenaf stalk, have been conducted to produce particleboard or other end-products (Papadopoulos et al 2004;Biswas et al 2011;Wang and Sun 2002;Heslop 1997;Mohammad et al 2011;Bektas et al 2005;Guler and Ozen 2004;Kalaycioglu and Nemli 2006).…”