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Journal of Materials Science

, Volume 46, Issue 13, pp 4471–4478 | Cite as

Study on the flash pyrolysis of polyacrylamide: accelerator of Al–H2O-based propellants

  • Yunlan Sun
  • Baozhong Zhu
  • Hongchang Dang
  • Huajian Sun
Article

Abstract

The flash pyrolysis of polyacrylamide (PAM) in Ar atmosphere was carried out in a tube-type pyrolyzer at 700 °C for 5 min. The volatile products were detected and identified by gas chromatography combined with mass spectrometry (GC/MS). Twenty four kinds of pyrolysis products were identified. In particular, some products, such as acetaldazine and 4-hydroxy-4-methyl-2-pentanone, were the first reported existing in the PAM pyrolysis products, which should play an important role in improving the igniting and combustion performance of Al–H2O-based propellants. Moreover, the flash pyrolysis residues were analyzed by FTIR. The experimental results show that the pyrolysis products of PAM can be roughly divided into five types. The products of five types promote the igniting and combustion performance of Al–H2O-based propellants, and the mechanisms of formation of every type are discussed.

Keywords

Pyrolysis Pyrolysis Product Combustion Performance Aliphatic Ketone Propellant Combustion 

Notes

Acknowledgements

The authors would like to acknowledge the financial support provided by the National Natural Science Foundation of China (No. 50806001.), and the Education Department Foundation of Anhui Province (KJ2008B184).

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Yunlan Sun
    • 1
  • Baozhong Zhu
    • 1
  • Hongchang Dang
    • 1
  • Huajian Sun
    • 2
  1. 1.School of Metallurgy & ResourcesAnhui University of TechnologyMaanshanChina
  2. 2.Jigang Group Heavy Machinery CO., LTDJinanChina

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