Improved Thermomechanical and Viscoelasticity Properties of Bio-Epoxy/date Palm Fiber Composite by Addition of Eggshell Particles

Siti Noorbaini Sarmin, Mohammad Jawaid, Ahmad Safwan Ismail, Hassan Fouad, Hom Nath Dhakal, Nurjannah Salim, Balbir Singh, Mohamed Hashem

Research output: Contribution to journalArticlepeer-review

Abstract

In this research, a novel eco-friendly green composite is fabricated by combining a biomatrix composed of a biopolymer, date palm fiber, and a filler obtained from discarded eggshell (ES) waste material. This research aims to check the influent of ES filler on thermal and viscoelasticity properties of bio-epoxy composite with incorporation of 40 wt.% date palm (DP) fiber. Various ES filler ratios, specifically 5 wt.%, 10 wt.%, 15 wt.%, and 20 wt.%, are dispersed into the composite. Thermogravimetric analysis (TGA) and dynamic mechanical analysis (DMA) approach were employed to investigate the properties of fabricated composites as a function of temperature in terms of storage modulus (E′), loss modulus (E′′), Tan delta (Tan δ), glass transition temperature (Tg), and Cole-Cole plot. Overall, incorporating ES filler into the bio-epoxy/DP fiber composites increased E′, E′′, and Tg significantly. ES-filled composites containing 5 and 10 wt.% exhibited properties comparable to 15 wt.% but less than 20 wt.% ES filler. Thermal tests result show that 20 wt.% ES-filled materials outperform their counterparts in terms of heat resistance or thermal stability. The evidence suggests that the embodiment of ES filler in bio-epoxy/DP fiber composites yields enhancements in both thermal and dynamic mechanical properties. This indicates the potential for utilizing ES filler loading in advanced composite applications that prioritize thermal stability and sustainability.

Original languageEnglish
Article number2282045
JournalJournal of Natural Fibers
Volume20
Issue number2
DOIs
Publication statusPublished - 2023

All Science Journal Classification (ASJC) codes

  • Materials Science (miscellaneous)

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