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Title: Effect of polyhedral oligomeric silsesquioxane nanoparticles on thermal decomposition of cyanate ester resin
Authors: Lin, Yue
Song, Mo
Keywords: Nanocomposite
Polyhedral oligomeric silsesquioxane
Cyanate ester resin
Thermal decomposition
Issue Date: 2017
Publisher: © The Authors. Published by Elsevier
Citation: LIN, Y. and SONG, M., 2017. Effect of polyhedral oligomeric silsesquioxane nanoparticles on thermal decomposition of cyanate ester resin. Reactive and Functional Polymers, 129, pp. 58-63.
Abstract: A series of cyanate ester resin (CY)/polyhedral oligomeric silsesquioxane (POSS) nanocomposites were prepared successfully. Morphology and thermal stability of the CY and its nanocomposites with POSS were studied by means of scanning electron microscopy (SEM) and Thermogravimetric Analysis (TGA). With the addition of POSS, the thermal stability of CY is dramatically improved. Under air atmosphere, the full decomposition temperature increased by 146 °C, with incorporation of only 1 wt% POSS. The heat generated by the thermal degradation of the CY/POSS nanocomposites is around 4 times less than that of the neat CY. Under nitrogen atmosphere, the char yield of the CY increased up to 15 wt% with addition of the POSS. Besides, the heat required for the degradation of the CY/POSS nanocomposites was much higher than that of the neat CY. These results reveal that the incorporation of the POSS resulted in change of the degradation mechanism of CY. The breakdown of POSS/CY network retarded the breakdown of the triazine rings of CY hence the thermal stability of POSS/CY nanocomposites were improved comparing to that of pristine CY. Furthermore, the formation of char retarded the degradation of benzene rings as well.
Description: This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 Unported Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: This research was supported by EPSRC (UK) (EP/P505011)
Version: Published
DOI: 10.1016/j.reactfunctpolym.2017.07.007
URI: https://dspace.lboro.ac.uk/2134/26015
Publisher Link: https://doi.org/10.1016/j.reactfunctpolym.2017.07.007
ISSN: 1381-5148
Appears in Collections:Published Articles (Materials)

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