Physical and mechanical properties of hybridized elastomeric foam based on ethylene-propylene-diene-monomer,multiwall carbon nanotube,and barium titanate
Restricted accessResearch articleFirst published online July, 2022
Physical and mechanical properties of hybridized elastomeric foam based on ethylene-propylene-diene-monomer,multiwall carbon nanotube,and barium titanate
The use of hybrid fillers in rubbers can provide additional benefits to rubber foams compared to individual micro- or nano-scale particles due to an optimum packaging and synergic effects. The present work reports the development of vulcanized ethylene-propylene-diene-monomer nanocomposite hybrid foams filled with barium titanate and multiwall carbon nanotube (BT/MWCNT), prepared via a scalable protocol. The developed foams presented a high shear-thinning behavior, suggesting the formation of a 3D interconnected physical network of MWCNT within the polymer matrix. This network resulted in a notable improvement of the mechanical properties under tension and compression with increasing of MWCNT content. Also, the incorporation of MWCNT and BT enhanced thermal stability and thermal conductivity. Meanwhile, BT did not show any influence on the measured physical properties, due to the lack of interaction between BT and the EPDM matrix.
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