Effect of graphene on mechanical and flowability properties of low-density polyethylene composites

Sabet, M. and Soleimani, H. (2019) Effect of graphene on mechanical and flowability properties of low-density polyethylene composites. Materials Performance and Characterization, 8 (3). ISSN 21653992

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Abstract

The logical outline and assembly of structural-functional materials are progressive tendencies of materials knowledge. In this study, it was found that the homogenous graphene (Gr) spread in low-density polyethylene (LDPE) considerably increases the mechanical properties of LDPE/ Gr composites. The high specific surface areas and superior properties of Gr improved thermal strength, conductivity, storage modulus, and mechanical properties of composites. Results display that the inclusion of Gr (0-3 wt.) and frequency growth enhanced the viscosity, loss modulus, and storage modulus of LDPE/Gr composites significantly. The addition of Gr also augmented the Young's modulus, Young's strength, tensile modulus, and elongation modulus, but the tensile strength values of LDPE/Gr composites have not changed significantly. The elongation test displayed reduction values with further addition of Gr in LDPE/Gr composites. The effect of temperature rise caused the decrease in the storage modulus with Gr addition; however, further inclusion of Gr mitigated the trend of storage modulus reduction of the composites considerably. This study also presents that Gr inclusion leads to limit polymer chain mobility, which reduces maximum strain and increases the melt flow indexes during material processing. © 2019 by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959

Item Type: Article
Additional Information: cited By 1
Uncontrolled Keywords: Composite materials; Compressive strength; Density (specific gravity); Functional materials; Graphene; Low density polyethylenes; Polyethylenes; Storage (materials); Tensile strength, Effect of temperature; Flowability; High specific surface area; Low density polyethylene(LDPE); Material processing; Progressive tendency; Properties of composites; Structural-functional, Elastic moduli
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 10 Nov 2023 03:26
Last Modified: 10 Nov 2023 03:26
URI: https://khub.utp.edu.my/scholars/id/eprint/11591

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