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Improving heat ageing and thermal properties of silicone rubber using montmorillonite clay

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journal contribution
posted on 18.01.2017, 16:45 by Ali Ansarifar, Nik I. Nik Ismail, Mo Song
Heat ageing and thermal stability of a silicone rubber (SR) filled with montmorillonite clay (MMT) was investigated. Three types of rubber nanocomposites were prepared with hig hly exfoliated Cloisite 30B (SR/C30B), intercalated/exfoliated Cloisite Na 1 (SR/Na 1 MMT), and highly intercalated Cloisite 20A (SR/C20A). This study showed that the SR/C30B nanocomposite exhibited excellent heat resistance in comparison to the other two nanocomposites and neat SR as revealed by higher retention strength. The thermal stability of the rubber in air was strongly dependent on the clay morphology and increased in the following order: highly intercalated/exfoliated SR/Na 1 MMT < highly intercalated SR/C20A < highly exfoliated SR/C30B. The thermogravimetric analyses of the SR/C30B nanocomposite showed a substantial increase in the final residue in comparison with the neat SR. This indicated a major improvement in the thermal stability of the rubber containing the exfoliated clay, which was also supported by the higher activation energy of decomposition measured for the nanocomposite.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Published in

Journal of Applied Polymer Science

Volume

131

Issue

22

Pages

1 - 13 (13)

Citation

NIK ISMAIL, N.I., ANSARIFAR, A. and SONG, M., 2014. Improving heat ageing and thermal properties of silicone rubber using montmorillonite clay. Journal of Applied Polymer Science, 131 (22), pp.1-13

Publisher

© Wiley Periodicals Inc.

Version

AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

25/05/2014

Publication date

2014

Notes

This is the peer reviewed version of the article, which has been published in final form at . This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.

ISSN

1097-4628

Language

en