Electron Beam Modification on Dielectric, Thermal, and Thermo-mechanical Properties of Styrene Butadiene Rubber/ Clay Nanocomposites
EL-BAYOUMI, A., madani, M., Atta, M., Nasr, G., Hamza, S. (2021). Electron Beam Modification on Dielectric, Thermal, and Thermo-mechanical Properties of Styrene Butadiene Rubber/ Clay Nanocomposites. EKB Journal Management System, 54(4), 30-38. doi: 10.21608/ajnsa.2021.33911.1374
AHMED SHAWKI EL-BAYOUMI; mohamed madani; mohamed mostafa Atta; GAMAL Madbouly Nasr; Samier Hamza. "Electron Beam Modification on Dielectric, Thermal, and Thermo-mechanical Properties of Styrene Butadiene Rubber/ Clay Nanocomposites". EKB Journal Management System, 54, 4, 2021, 30-38. doi: 10.21608/ajnsa.2021.33911.1374
EL-BAYOUMI, A., madani, M., Atta, M., Nasr, G., Hamza, S. (2021). 'Electron Beam Modification on Dielectric, Thermal, and Thermo-mechanical Properties of Styrene Butadiene Rubber/ Clay Nanocomposites', EKB Journal Management System, 54(4), pp. 30-38. doi: 10.21608/ajnsa.2021.33911.1374
EL-BAYOUMI, A., madani, M., Atta, M., Nasr, G., Hamza, S. Electron Beam Modification on Dielectric, Thermal, and Thermo-mechanical Properties of Styrene Butadiene Rubber/ Clay Nanocomposites. EKB Journal Management System, 2021; 54(4): 30-38. doi: 10.21608/ajnsa.2021.33911.1374

Electron Beam Modification on Dielectric, Thermal, and Thermo-mechanical Properties of Styrene Butadiene Rubber/ Clay Nanocomposites

Arab Journal of Nuclear Sciences and Applications
Article 4, Volume 54, Issue 4, October 2021, Page 30-38  XML PDF (1.03 MB)
Document Type: Original Article
DOI: 10.21608/ajnsa.2021.33911.1374
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Authors
AHMED SHAWKI EL-BAYOUMI email 1; mohamed madani2; mohamed mostafa Atta3; GAMAL Madbouly Nasr4; Samier Hamza5
1RADIATION PHYSICS DEPARTMENT, national CENTER FOR RADIATION RESEARCH AND TECHNOLOGY, ATOMIC ENERGY AUTHORITY, CAIRO, EGYPT.
2Physics department. College of Science and Humanities in Jubail, Imam Abdurrahman Bin Faisal University, POB 12020, Jubail, Saudi Arabia.
3Radiation physics department, National Center for Radiation Research and Technology (NCRRT), Atomic Energy Authority (AEA), Cairo, Egypt.
4Physics department. Faculty of Science, Cairo University, Cairo, Egypt.
5Physics department. Faculty of Science, Cairo University, Cairo, Egypt
Abstract
The effect of the surface treatment of clay nanoparticles on the Styrene -butadiene Rubber (SBR) /clay nanocomposite was studied. The treatment process was done by coating the clay by trimethylolpropane tiracrylate (TMPTA) then irradiated by 100 kGy of an electron beam accelerator. Two distinct groups from SBR/ Nano treated and non-treated clay composites were prepared to be compared with each other. The effect of clay nanoparticles loading and treatment process on the rubber was investigated by Dielectric properties, Thermal gravimetric analysis (TGA), thermomechanical analysis (TMA), and volume fraction dependence. It is found that by the addition of clay, there is a decrease in the amorphous contents of the samples owing to the detectable increase in the relaxation time as observed from the dielectric relaxation spectroscopy measurements. The depolarizing factor, calculated by Tasangaris equation indicates the change of the shape of clay particles from oblate ellipsoids to the shape of a sphere with the applied frequency. The activation energy was calculated for all samples and show that it decreases with the treatment process while increased with the increase of the clay. Furthermore, the weight loss has an undulatory behavior with the clay increasing and treatment process.
Keywords
SBR; Nanocomposites; Dielectric properties; AC Conductivity; Thermal analysis
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