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Reinforcement of rubber using radial single-walled carbon nanotube soot and its shock dampening properties |
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| Authors: | Yoshinori Sato Kenji Hasegawa Kenichi Motomiya Nobuyuki Ito Kazuyuki Tohji |
| Affiliation: | a Graduate School of Environmental Studies, Tohoku University, Aoba 6-6-20, Aramaki, Aoba-ku, Sendai 980-8579, Japan b JSR Corporation, 100, Kawajiri, Yokkaichi 510-8552, Japan c Graduate School of Dental Medicine, Hokkaido University, Nishi 7, Kita 13, Kita-ku, Sapporo 060-8586, Japan |
| Abstract: | A soot composed of radial single-walled carbon nanotubes (r-SWCNTs), in which 70 nm length nanotubes are grown radially around the core metal particles, and nanohorn-like carbons (NHCs) was used as reinforcement for a styrene-butadiene rubber (SBR). The fracture stress of r-SWCNT soot (38 phr)/SBR was 6.3 MPa at 60% strain. Furthermore, the hardness value of r-SWCNT soot (38 phr)/SBR was 94, which is 1.38 times larger, and larger than carbon black/SBR. Additionally, the resilience of r-SWCNT soot/SBR with 38 phr filler content was markedly lower than 20% in comparison with standard carbon black filler. These results indicate that r-SWCNT soot/SBR possesses excellent kinetic energy absorbing properties. |
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