Effect of Alkaline Treatment on some Properties of Egyptian Banana Fibers for Use as Strength Reinforcement in Composite Materials

Abu Zaid, Hana Abu Zaid Khalil; ABO ELNGA, Heba ALLAH ELSAYED AHMED

doi:10.21608/maut.2021.194099

Effect of Alkaline Treatment on some Properties of Egyptian Banana Fibers for Use as Strength Reinforcement in Composite Materials

Authors

Instructor at the Department of Spinning and Weaving Faculty of Applied Arts - Damietta University

10.21608/maut.2021.194099

Abstract

Banana fibers can be used as a strength reinforcement in Composite material manufacturing due to their high specific strength compared to glass fibers and are considered sustainable alternatives, but the important factor in finding good reinforcement for natural fibers in the composite is the strength of adhesion between matrix and fibers. Due to the presence of hydroxide and other polar groups in natural fibers Components (such as banana fibers), we find that they have a high-water absorption capacity, and this leads to poor bonding between fibers and non-hydrophilic matrices. Hence, to develop compounds with suitable mechanical properties, these fibers must be given hydrophobic nature through appropriate chemical treatments. Therefore, the research aims to study the effect of alkaline treatment with different concentrations of (NaOH) on some properties of Egyptian banana fibers for use as strength reinforcement in composite materials. fibers were treated with NaOH at different concentrations (5,10,15,20%) at 90 °C for 2.5 hours and the ratio (lignin, cellulose, moisture content, density, tensile strength, diameter) of fibers was measured. The morphology of fibers was studied using Scanning Electron Microscope (SEM). The results showed that the lignin content and the fiber diameter decreased with an increase in the concentration of NaOH to (20%)., While the moisture content decreases and the cellulose content, fiber density and tensile strength increases to a concentration of (10%) compared to untreated fibers. The results were confirmed using (SEM).

Keywords

Main Subjects

Researches of Arts

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