Chandran, Sivasurender ; Basu, J. K. ; Mukhopadhyay, M. K. (2013) Variation in glass transition temperature of polymer nanocomposite films driven by morphological transitions The Journal of Chemical Physics, 138 (1). 014902. ISSN 0021-9606
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Official URL: http://doi.org/10.1063/1.4773442
Related URL: http://dx.doi.org/10.1063/1.4773442
Abstract
We report the variation of glass transition temperature in supported thin films of polymer nanocomposites, consisting of polymer grafted nanoparticles embedded in a homopolymer matrix. We observe a systematic variation of the estimated glass transition temperature Tg, with the volume fraction of added polymer grafted nanoparticles. We have correlated the observed Tg variation with the underlying morphological transitions of the nanoparticle dispersion in the films. Our data also suggest the possibility of formation of a low-mobility glass or gel-like layer of nanoparticles at the interface, which could play a significant role in determining Tg of the films provided.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to AIP Publishing LLC. |
| ID Code: | 116103 |
| Deposited On: | 22 Mar 2021 07:11 |
| Last Modified: | 22 Mar 2021 07:11 |
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