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Carbon nanotubes as reinforcement of styrene-butadiene rubber |
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| Authors: | Alejandro De Falco Gerardo H Rubiolo Iñaki Mondragon |
| Institution: | a Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Física, LPMPyMC, Pabellón 1, Buenos Aires 1428, Argentina b Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina c Departamento de Materiales, CNEA, Av. del Libertador 8250, Buenos Aires 1424, Argentina d Materials and Technologies Group, Escuela Univ. Politécnica, Dpto. Ingeniería Química y M. Ambiente, Universidad País Vasco, Pza. Europa 1, 20018 Donostia-San Sebastián, Spain |
| Abstract: | This study reports an easy technique to produce cured styrene-butadiene rubber (SBR)/multi-walled carbon nanotubes (MWCNT) composites with a sulphur/accelerator system at 150 °C. Significant improvement in Young's modulus and tensile strength were achieved by incorporating 0.66 wt% of filler without sacrificing SBR elastomer high elongation at break. A comparison with carbon black filled SBR was also made. Field emission scanning electron microscopy was used to investigate dispersion and fracture surfaces. Results indicated that the homogeneous dispersion of MWCNT throughout SBR matrix and strong interfacial adhesion between oxidized MWCNT and the matrix are responsible for the considerable enhancement of mechanical properties of the composite. |
| Keywords: | 81 07 &minus b 81 05 Qk |
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