Sunflower SeedHusk AsGreen Agro-waste Filler For EPDM Rubber
- 26 May 2021
- journal article
- research article
- Published by Egypts Presidential Specialized Council for Education and Scientific Research in Egyptian Journal of Chemistry
- Vol. 64 (10), 5853-5861
- https://doi.org/10.21608/ejchem.2021.71142.3562
Abstract
Sunflower seed Husk (SSH) was used as green agro waste filler for EPDM matrix. Two particle sizes of SSH were used (91.8 µm and 7.5 µm). Chemical composition of SSH was investigated. The permittivity and dielectric loss were measured over a frequency range 10-1 up to 106 Hz for EPDM/WPS with two different particle sizes. Both values were found to increase by increasing SSH content. The curves relating dielectric loss and the applied frequency were analyzed into three relaxation processes and the obtained relaxations were interpreted. The dc conductivity was found to be in the order 10-15 S cm-1 which recommend such composites to be used in insulatation purposes.Mechanical properties including tensile strength at break (σR) and elongation at break (εR) were found to decrease by increasing filler content.Keywords
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