Dymanic mechanical analysis of polyvinylalcohol/silica nanocomposite

Peng, Zheng, Kong, Lingxue and Li, Si Dong 2005, Dymanic mechanical analysis of polyvinylalcohol/silica nanocomposite, Synthetic metals, vol. 152, no. 1-3, pp. 25-28.

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Title Dymanic mechanical analysis of polyvinylalcohol/silica nanocomposite
Author(s) Peng, Zheng
Kong, Lingxue
Li, Si Dong
Journal name Synthetic metals
Volume number 152
Issue number 1-3
Start page 25
End page 28
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2005-09-20
ISSN 0379-6779
Keyword(s) polyvinylalcohol
silica
nanocomposites
Dynamic mechanical analysis (DMA)
Summary Polyvinylalcohol/Silica (PVA/SiO2) nanocomposites with different SiO2 contents are synthesized by employing a novel self-assembly monolayer (SAM) technique. The influence of the silica on dynamic mechanical properties of the nanocomposites is investigated by conducting dynamic mechanical analysis (DMA) and quasi-thermal mechanical analysis (Q-TMA). It is found that the storage modulus (E′), loss factor (tga), glass transition temperature (Tg), and activation energy (Ea) of prepared nanocomposites all show a strong dependence on the SiO2 content. The Q-TMA results indicate that under a constant force, the elasticity of nanocomposites decreases with SiO2 content, and the softening temperature moves to a higher temperature when more SiO2 is added.
Language eng
Field of Research 091202 Composite and Hybrid Materials
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2005 Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30006637

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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