Abstract
In recent years, the application of cellulose derivative materials as reinforcement in wood adhesives has attracted considerable attention. This study aimed to explore the characteristics of cellulose microfibers (CMF) and phosphorylated cellulose microfibers (P-CMF) successfully extracted from giant reed plant, and their potential effect as binders in the formulation of particleboard panels-based urea-formaldehyde (UF) adhesive. The influence of fiber content (5%, 7.5%, and 10%) on the mechanical and physical properties of the prepared composites were assessed. Moreover, the fire-retardant behaviour of panels containing the optimal amount of phosphate was evaluated to study phosphate groups' efficiency in improving the resistance character of the panels towards the fire. Results showed that the mechanical properties were improved by the addition of 7.5% of CMF and P-CMF. The physical and fire-retardant properties were found to be significantly enhanced for panels containing 7.5% of P-CMF as a result of the chemical phosphorylation.
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