Making Progress Towards « Green » Propellants – Part III

Rowan Dobson, Patrick Folly, Alexandre Sarbach, Romuald Van Riet, Bertrand Roduit, Jörgen Sandström, Erik Tunestål, Amy Carlström, Alain Dejeaifve

Research output: Contribution to journalArticlepeer-review

Abstract

Stabilisers are an integral part of a propellant composition. They are essential for ensuring the chemical stability of nitrate-ester based propellants, preventing oxidation, chain scission and uncontrolled heat generation. Progress is being made, especially in Europe, with REACh legislation (1907/2006) to use more environmentally-friendly compounds. New stabilisers with a greener environmental profile and producing less toxic daughter products have been investigated by several groups, and several compounds demonstrated even better performances – more chemical stability and therefore longer shelf lives than formulations with the currently-used stabilisers. Additionally, the good efficiencies and lower toxicities of the daughter products of the “green” stabilisers are also evaluated. This paper is a continuation of our previous work and demonstrates that for industrially-manufactured propellants, that the tests performed by four different entities validate the stability and compatibility of the propellants, investigated previously on a laboratory scale, providing the community with safer formulations for the environment and health.

Original languageEnglish
Article numbere202300303
JournalPropellants, Explosives, Pyrotechnics
Volume49
Issue number4
DOIs
Publication statusPublished - Apr 2024

Keywords

  • green
  • nitrocellulose
  • propellant
  • stabiliser
  • stability test

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