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Comparative impact of gamma radiation on reinforced nitrile rubber with graphite and agro waste activated carbons

  • E.S. Fathy EMAIL logo , Mona Y. Elnaggar and Enas Amdeha
Published/Copyright: August 16, 2021
Radiochimica Acta
From the journal Radiochimica Acta Volume 109 Issue 10

Abstract

In this article, graphite fine powder and two types of activated carbon (AC) namely based-on waste corn and sugarcane bagasse were implemented as reinforcers for the nitrile rubber (NBR). Both types of AC were prepared through a low-temperature chemical carbonization treatment. Each type of these fillers, at 5, 10, and 15 wt%, was mixed with NBR on a rubber mill and pressed under heat to develop sheets to be gamma irradiated at 100 kGy. Filler characterization using Fourier Transform Infrared spectrophotometer (FTIR) spectroscopy and scanning electron microscopy (SEM) were discussed. X-ray diffraction (XRD) proved that graphite has a crystalline structure but corn and bagasse ACs have amorphous nature. Furthermore, dynamic light scattering (DLS) analysis was used to determine the particle size of the studied fillers. In addition, mechanical properties, XRD, thermal stability, and SEM of the prepared unirradiated or irradiated NBR‒composites were investigated. The physicomechanical features of the NBR matrix could be enhanced by the presence of reinforcing fillers, even at relatively low filler loading. The composites filled with graphite showed superior mechanical parameters and also have the highest thermal stability as indicated by their high-temperature mass loss (Tm). Generally, irradiated samples expressed grander properties than unirradiated ones as a result of the radiation-induced crosslinking structures.

Keywords: activated carbon; agro wastes; gamma irradiation; NBR‒composites; thermo-mechanical properties
Corresponding author: E.S. Fathy, Polymer Chemistry Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Nasr City, Egypt, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2020-11-18
Accepted: 2021-07-29
Published Online: 2021-08-16
Published in Print: 2021-10-26

© 2021 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Original Papers
  3. Excitation functions of some deuteron-induced nuclear reactions on Al
  4. Radiochemical separation and purification of non-carrier-added silicon-32
  5. Highly efficient adsorption of uranyl ions using hydroxamic acid-functionalized graphene oxide
  6. Effect of Zr(IV) to phosphorus ratio on U(VI) adsorption by diethylenetriamine-pentamethylene phosphate Zr(IV) hybrids
  7. 125I–Amoxicillin preparation as a guide tracer for inflammation detection
  8. Comparative impact of gamma radiation on reinforced nitrile rubber with graphite and agro waste activated carbons
  9. Review
  10. Radon concentration in compressed natural gas and liquefied petroleum gas and its release range in residential houses
https://doi.org/10.1515/ract-2020-0117
Keywords for this article
activated carbon; agro wastes; gamma irradiation; NBR‒composites; thermo-mechanical properties

Articles in the same Issue

  1. Frontmatter
  2. Original Papers
  3. Excitation functions of some deuteron-induced nuclear reactions on Al
  4. Radiochemical separation and purification of non-carrier-added silicon-32
  5. Highly efficient adsorption of uranyl ions using hydroxamic acid-functionalized graphene oxide
  6. Effect of Zr(IV) to phosphorus ratio on U(VI) adsorption by diethylenetriamine-pentamethylene phosphate Zr(IV) hybrids
  7. 125I–Amoxicillin preparation as a guide tracer for inflammation detection
  8. Comparative impact of gamma radiation on reinforced nitrile rubber with graphite and agro waste activated carbons
  9. Review
  10. Radon concentration in compressed natural gas and liquefied petroleum gas and its release range in residential houses
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