Journal
POLYMER DEGRADATION AND STABILITY
Volume 93, Issue 12, Pages 2133-2137Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2008.08.006
Keywords
TGA; Filler effect; Thermal stability; Filler subtraction; Fumed silica; Epoxy
Categories
Funding
- Spanish Ministerio de Educacion y Ciencia [MTM2005-00429, MTM2008-00166]
- Ferroatlantica
- Gairesa-Spain
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Composites of a fumed silica industrial residue and an epoxy resin were prepared and their thermal stability and thermal degradation behaviour were studied by TGA in air. Classical thermal stability parameters, based on the initial decomposition temperature (IDT), temperature of maximum rate of mass loss (T-max) and integral procedure decomposition temperature (IPDT) were calculated before and after subtraction of the filler mass from the TGA curves. Without filler mass subtraction, the thermal stability of the epoxy resin seems to be improved and the mass loss rate was reduced by the addition of fumed silica. Nevertheless, after subtraction of the Her mass, the thermal degradation behaviour of the resin was only slightly affected by the silica content. A possible negative effect of the silica content on the cure was also found. (C) 2008 Elsevier Ltd. All rights reserved.
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