Efficient utilization of corn stalk and poplar planer shavings in manufacturing particleboard

Aree Adel Abdulqader

doi:10.4067/s0718-221x2021000100449

Abstract

In this study, particleboards were manufactured using a mixture of corn stalks and poplar wood particles at different ratios utilizing 10 % urea-formaldehyde adhesive. Panels with a density of 0,70 g/cm3 were manufactured using various amount of corn stalks and poplar wood from 100 to 25 %. Manufactured panels were tested the mechanical properties including modulus of rupture, modulus of elasticity and internal bond and the water absorption and thickness swelling. In addition, the chemical properties and fiber dimensions of poplar wood and corn stalks were also evaluated. Some properties of the manufactured panels increased with the content of poplar particles. The addition of wood poplar particles resulted in a significant increase of some properties of particleboards. From this study, it can be concluded that the combination of poplar particles and corn stalks resulted in particleboards acceptable for interior applications due to low water absorption and thickness swelling. The internal bond strength, the most serious deficiency of stalks, was upgraded sufficiently by increasing the content of wood poplar particles. This study demonstrate that corn stalks may be considered as a charger for wood poplar particleboards manufacturer in region where wood is not abundant. unusual to wood material in the production of particleboards

Highlights

Particleboard is an important product of the composite industry and is manufactured from the wood particles
The highest value of modulus of rupture MOR of 46,69 MPa was obtained with boards made of wood poplar particles made with 10 % UF
The lowest MOR value of 29,67 MPa was achieved with the produced particleboards with corn stalks

Summary

Introduction

Particleboard is an important product of the composite industry and is manufactured from the wood particles. The world demand for wood composite production is increased with the growing of the world population and the expansion uses of applications that have major impact on resources of standing forest and the supply of wood for production of particleboards has been reduced due to the deforestation of natural forests (Nath and Mwchahary 2012). Agricultural residues are renewable annually and abundant became an excellent alternative source that can be used to replace wood and wood fibers if performance is acceptable (Rowell 1995, Nemli et al 2009). The use of renewable biomass as a raw material can gain the environment and socioeconomic development as these residue materials are grown in the soil and often disposed through combustion with generation of undesirable volatile organic carbon-based products (Rowell 1995, Suleiman et al 2013). Fibrous materials including straws were used for paper manufacturing about two centuries ago

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