Characterization of fluoroelastomers by various analytical techniques including pyrolysis gas chromatography/mass spectrometry

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Resumen

Fluorocarbon elastomers are specified for a number of applications where excellent high temperature and chemical resistance is required. To ensure that a fluoroelastomer with the required properties for a particular application is used, characterization techniques that allow the positive identification of the elastomer are required. In this paper the characterization of four fluoroelastomer formulations - a vinylidene fluoride/hexafluoropropene (VDF/HFP) dipolymer, a vinylidene fluoride/hexafluoropropene/tetrafluoroethylene terpolymer, and two vinylidene fluoride/perfluoro(methyl vinyl ether)/tetrafluoroethylene (VDF/PMVE/TFE) tetrarpolymers - is described. The characterization techniques included pyrolysis gas chromatography/mass spectrometry (py-GC/MS), Fourier transform infrared (FT-IR) spectrometry, differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). Py-GC/MS was the only characterization technique that could identify the four formulations unambiguously. The positive identification was based on differences in the pyrolytic degradation products of the flouroelastomer formulations.

Idioma originalEnglish
Páginas (desde-hasta)283-295
Número de páginas13
PublicaciónJournal of Analytical and Applied Pyrolysis
Volumen109
DOI
EstadoPublished - sep. 1 2014
Publicado de forma externa

Nota bibliográfica

Publisher Copyright:
© 2014 Published by Elsevier B.V. All rights reserved.

ASJC Scopus Subject Areas

  • Analytical Chemistry
  • Fuel Technology

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