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Temperature assisted in-situ small angle X-ray scattering analysis of Ph-POSS/PC polymer nanocomposite

Yadav, Ramdayal, Naebe, Minoo, Wang, Xungai and Kandasubramanian, Balasubramanian 2016, Temperature assisted in-situ small angle X-ray scattering analysis of Ph-POSS/PC polymer nanocomposite, Scientific reports, vol. 6, pp. 1-9, doi: 10.1038/srep29917.

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Title Temperature assisted in-situ small angle X-ray scattering analysis of Ph-POSS/PC polymer nanocomposite
Author(s) Yadav, Ramdayal
Naebe, Minoo
Wang, Xungai
Kandasubramanian, Balasubramanian
Journal name Scientific reports
Volume number 6
Article ID 29917
Start page 1
End page 9
Total pages 9
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2016
ISSN 2045-2322
Keyword(s) Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
Summary Inorganic/organic nanofillers have been extensively exploited to impart thermal stability to polymer nanocomposite via various strategies that can endure structural changes when exposed a wide range of thermal environment during their application. In this abstraction, we have utilized temperature assisted in-situ small angle X-ray scattering (SAXS) to examine the structural orientation distribution of inorganic/organic nanofiller octa phenyl substituted polyhedral oligomeric silsesquioxane (Ph-POSS) in Polycarbonate (PC) matrix from ambient temperature to 180 °C. A constant interval of 30 °C with the heating rate of 3 °C/min was utilized to guise the temperature below and above the glass transition temperature of PC followed by thermal gravimetric, HRTEM, FESEM and hydrophobic analysis at ambient temperature. The HRTEM images of Ph-POSS nano unit demonstrated hyperrectangular structure, while FESEM image of the developed nano composite rendered separated phase containing flocculated and overlapped stacking of POSS units in the PC matrix. The phase separation in polymer nanocomposite was further substantiated by thermodynamic interaction parameter (χ) and mixing energy (Emix) gleaned via Accelrys Materials studio. The SAXS spectra has demonstrated duplex peak at higher scattering vector region, postulated as a primary and secondary segregated POSS domain and followed by abundance of secondary peak with temperature augmentation.
Language eng
DOI 10.1038/srep29917
Field of Research 099999 Engineering not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30086040

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.