Confinement of C60 nanoparticles on the dynamics of polystyrene studied by anelastic spectroscopy and rheometrics
Paper
Paper/Presentation Title | Confinement of C60 nanoparticles on the dynamics of polystyrene studied by anelastic spectroscopy and rheometrics |
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Presentation Type | Paper |
Authors | Fang, Zhengping (Author), Shang, Shuying (Author) and Wang, Hao (Author) |
Editors | Epaarachchi, Jayantha A. , Lau, Alan Kin-tak and Leng, Jinsong |
Journal or Proceedings Title | Proceedings of SPIE (International Society for Optical Engineering) |
ERA Conference ID | 60496 |
Journal Citation | 8793, pp. 1-10 |
Number of Pages | 10 |
Year | 2013 |
Publisher | SPIE |
Place of Publication | Bellingham, WA. United States |
ISSN | 0277-786X |
ISBN | 9780819496300 |
Digital Object Identifier (DOI) | https://doi.org/10.1117/12.2028373 |
Conference/Event | 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013) |
International Conference on Smart Materials and Nanotechnology in Engineering | |
Event Details | 4th International Conference on Smart Materials and Nanotechnology in Engineering (SMN 2013) Event Date 10 to end of 12 Jul 2013 Event Location Gold Coast, Australia |
Event Details | International Conference on Smart Materials and Nanotechnology in Engineering |
Abstract | Anelastic spectroscopy and rheometrics were used to study the viscoelastic properties of polystyrene/C60 nanocomposites. 0.1 wt%, 0.5 wt%, 1 wt% and 2 wt% C60 were added to pure polystyrene via melt compounding. Both storage modulus and viscosity decreased obviously when 0.1 wt% C60 was added and it was ascribed to the increase of free volume around C60 nanoparticles. Both glass transition and liquid-liquid transition moved to high temperature, which was associated with the confinement effect of the nanoparticles. The addition of C60 influenced chain packing of polymer melts. The increase of free volume loosened the interaction between chain segments and nanoparticles on small size scale. So, the change of segment dynamics was not very obvious. On the contrary, the change of whole chain dynamics was very obvious. This can be explained by the fact that the influence coming from the increase of free volume was neglectable and the filler confinement of nanoparticles played an important role. The C60 nanoparticles were looked as attractors of the polymer chains, which divided the long chains into several segments leading to decrease the fragility of the nanocomposites. |
Keywords | chain dynamics; confinement; fullerene; nanocomposites; polystyrene |
ANZSRC Field of Research 2020 | 401606. Glass |
401212. Non-Newtonian fluid flows (incl. rheology) | |
401807. Nanomaterials | |
Public Notes | © (2013) Society of Photo-Optical Instrumentation Engineers (SPIE) |
Byline Affiliations | Zhejiang University, China |
Centre of Excellence in Engineered Fibre Composites | |
Harbin Institute of Technology, China | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q216v/confinement-of-c60-nanoparticles-on-the-dynamics-of-polystyrene-studied-by-anelastic-spectroscopy-and-rheometrics
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