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Pompe, G. ; Häußler, L. ; Pötschke, P. ; Voigt, D. ; Janke, A. ; Geißler, U. ; Hupfer, B. ; Reinhardt, G. ; Lehmann, D.
Reactive Polytetrafluoroethylene/Polyamide Compounds. I. Characterisation of the Compound Morphology with Respect to the Functionality of the Polytetrafluoroethylen Component by Microscopic and Differential Scanning Calorimetry Studies

Compounds of electron-beam-irradiated polytetrafluoroethylene (PTFE) and polyamide (PA) were produced by reactive extrusion. During extrusion, both a breakdown process of the PTFE agglomerates and a chemical reaction between PTFE and PA took place. The morphology of the compounds was characterized with differential scanning calorimetry using fractionated crystallization, with atomic force microscopy and scanning electron microscopy, and with dynamic light scattering. The particle size of the dispersed PTFE phase decreased as the irradiation dose increased. A simple theoretical model of the breakdown process of PTFE agglomerates was made for the discussion of the development of the observed degree of dispersion. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 98: 1308-1316, 2005

Source
Journal of Applied Polymer Science 98

Pages
1308-1316

DOI
http://dx.doi.org/10.1002/app.22273

Published
August 2005
 
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Departments

Nanostructured Materials