| Issue |
MATEC Web Conf.
Volume 69, 2016
2016 5th International Conference on Chemical and Process Engineering (ICCPE 2016)
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 5 | |
| Section | Material Chemistry | |
| DOI | https://doi.org/10.1051/matecconf/20166904003 | |
| Published online | 02 August 2016 | |
A comparison between the effects of sepiolite and silica on mechanical properties and thermal stability of NR/EPDM blend
1 Defence Technology Institute (Public Organization) Ministry of Defence, Nonthaburi Thailand
2 Department of Chemical Engineering, Kasetsart University, Bangkok, Thailand
This study focused on improving the ablation properties and mechanical properties of natural rubber (NR)/ethylene propylene diene monomer (EPDM) blends by using two different commercial fillers: sepiolite and silica. The results showed that sepiolite and silica similarly improved both properties in the loading range of interest (0–12.5 phr). However, sepiolite was superior than silica as using less loading to acheive comparable mechanical and thermal properties. The optimum loading of sepiolite was 5 phr, while that of silica was 10 phr. For both filler systems, the minimum ablation rate found was approximately 0.17 mm/s, and the tensile strength and the hardness of corresponding NR/EPDM composite were improved after modification with sepiolite or silica.Thus, the composite reinforced with sepiolite or silica is suitable for many applications, such as internal insulations of rocket motor.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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