The effect of elastomer on the mechanical properties of electrically conductive polymer

Kuichalan, Hesaraaj (2024) The effect of elastomer on the mechanical properties of electrically conductive polymer. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The research project aims to investigate the impact of adding elastomers to electrically conductive polymers (ECP) to enhance their mechanical properties and suitability for various applications. The need for flexible electronic devices and the potential of ECP in this domain, focusing on their mechanical flexibility and electrical conductivity. It emphasizes the limitations of pure ECPs and the benefits of incorporating elastomers to improve mechanical performance and electrical conductivity, broadening the range of applications for these materials. the preparation of the ECP with varying concentrations of elastomers, cyclic bending tests, electrical characterization, and morphology characterization using ImageJ analysis and light microscopic images. The results of the study demonstrate the relationship between the concentration of added silicone (elastomer) and the mechanical and electrical properties of the conductive polymer. The resistivity of the samples was measured at different cycle intervals, revealing a consistent trend of increasing resistance as the number of cycles increases. The data also showed the development of cracks and voids in the conductive polymer after cyclic bending tests, indicating a decrease in mechanical properties. The microscopic images depict the evolution of cracks and voids in the samples, further supporting the findings. Based on the results, the study concludes that varying concentrations of elastomers in ECP affect its mechanical and electrical properties, especially under cyclic loading conditions.

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