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MWNTs Coated with CuO Particles: A Novel Nano-catalyst for Solid Propellants

  • Sherif ElbasuneyEmail author
  • M. Yehia
  • M. Gaber Zaky
  • Mostafa Radwan
Article

Abstract

MWNTs can expose surface area (> 700 m2 g−1) as well as high catalyzing ability; additionally they can act as carrier for energetic components. This study reports on coating MWNTs with copper particles throughout electroless plating. Hybrid Cu-MWNTs was annealed at 250 °C to develop CuO-MWNTs. TEM micrographs demonstrated MWNTs regularly coated with CuO nanoparticles. XRD diffractograms revealed high crystalline structure. Ammonium perchlorates (APC) is common oxidizer for solid propellants; however its decomposition is an endothermic process. Synthesized CuO-MWNTs were encapsulated into APC oxidizer via solvent–antisolvent technique. Differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA) were employed to investigate catalytic performance of CuO-MWNTs. At 1 wt%, CuO-MWNTs decreased APC endothermic decomposition by 16.3%. The two subsequent exothermic decomposition stages were fused into one stage with surge in total heat release by 100%. These novel features can inherit CuO-MWNTs exclusive catalyzing ability.

Keywords

MWNTs Catalyst Oxidizer Ammonium perchlorate Thermal behavior 

Notes

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Sherif Elbasuney
    • 1
    • 2
    Email author
  • M. Yehia
    • 2
  • M. Gaber Zaky
    • 2
  • Mostafa Radwan
    • 3
  1. 1.Head of Nanotechnology Research CenterMilitary Technical CollegeCairoEgypt
  2. 2.School of Chemical EngineeringMilitary Technical CollegeCairoEgypt
  3. 3.British University in EgyptEl-Shorouk CityEgypt

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