The Effect of Particle Size of Recovered Carbon Black (rCB) on the Properties of Epoxy Conductive Material

Abstract:

This research investigates the effect of different particle sizes of recovered carbon black (rCB) on the electrical conductivity, flexural and fractured toughness properties and morphology of epoxy/rCB conductive composites. The rCB powder was a product from the pyrolysis process of waste rubber tires. This research aims for the application of tray production in semiconductor packaging. In this study, the composite was prepared by using a simple mechanical stirring method. The testing and characterizations carried out included electrical conductivity test, flexural test, fracture toughness test, Scanning Electron Microscopy (SEM) and viscosity. The epoxy/rCB conductive composite shows significant differences in electrical conductivity and mechanical properties when incorporated with different particle sizes of rCB. The conductivity percolation threshold was found at 1000 mesh with enhanced mechanical and electrical conductivity properties simultaneously.

• Periodical: Key Engineering Materials (Volume 997)
• Pages: 45-52
• DOI: https://doi.org/10.4028/p-CCJH3l
• Online since: December 2024
• Authors: Sri Shalni Palaniandy, Pei Leng Teh*, Wern Ming Che, Yeoh Cheow Keat, Wee Chun Wong
• Keywords: Conductive Composite, Electrical Conductivity, Epoxy, Recovered Carbon Black, Waste Tyre

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