Thermal Decomposition Behavior of Poly(ethylene 2,6-naphthalate)/Silica Nanocomposites
- Authors
- Kim, Jun Young; Kim, Duk Ki; Kim, Seong Hun
- Issue Date
- Dec-2009
- Publisher
- WILEY
- Citation
- POLYMER COMPOSITES, v.30, no.12, pp.1779 - 1787
- Indexed
- SCIE
SCOPUS
- Journal Title
- POLYMER COMPOSITES
- Volume
- 30
- Number
- 12
- Start Page
- 1779
- End Page
- 1787
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175725
- DOI
- 10.1002/pc.20749
- ISSN
- 0272-8397
- Abstract
- Poly(ethylene 2,6-naphthalate) (PEN) nanocomposites reinforced with silica nanoparticles were prepared by direct melt compounding. Dynamic thermogravimetric analysis was conducted on the PEN/silica nanocomposites to clarify the effect of silica nanoparticle on the thermal decomposition behavior of the resultant nanocomposites. There is a significant dependence of thermal decomposition behavior for PEN/silica nanocomposites on the content of silica nanoparticles and heating rate. The variation of the activation energy for thermal decomposition reflected the improvement of the thermal stability of the PEN/silica nanocomposites. The unique characteristics of silica nanoparticles resulted in physical barrier effect against the thermal decomposition, leading to the enhancement of the thermal stability of the PEN/silica nanocomposites. The incorporation of silica nanoparticles into the PEN matrix increased the storage modulus of the PEN/silica nanocomposites and made it possible for them to sustain higher modulus at higher temperature relative to pure PEN. POLYM. COMPOS., 30:1779-1787, 2009.
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