Synthesis and Reactivity of Nano-Aluminum/Zonyl (registered trademark) TM Fluoropolymer Composites
Abstract
Fluorinated polymers have gained increasing attention as reactive oxidizing materials for energetic formulations over the past two decades. Specifically, reactions between aluminum, silicon, and/or magnesium with poly(tetrafluoroethlyene) (PTFE or Teflon) and Viton, a copolymer of poly(vinylidene fluoride) and poly(hexafluoropropylene), have been well documented in the literature.1,2 Though the highly fluorinated nature of these polymers yields a chemically inert material with low friction resistance and non-adhesive properties the fluorinated byproducts produced during the decomposition of these polymers are highly reactive with the previously mentioned metals. For example, the reaction of Al with PTFE to yield AlF3 (Equation 1) liberates nearly twice the energy per gram (-13.5 kcal/g) than combustion of Al with oxygen to yield Al2O3 (-7.4 kcal/g).3
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 2014
- Accession Number
- ADA619597
Entities
People
- Christian J. Pierce
- Christopher A. Crouse
- Jonathan E. Spowart
Organizations
- Air Force Research Laboratory