A solvent free process for the generation of strong, conducting carbon spheres by the thermal degradation of waste polyethylene terephthalate

Swati V. Pol; Vilas G. Pol; Dov Sherman; Aharon Gedanken

doi:10.1039/b819494g

A solvent free process for the generation of strong, conducting carbon spheres by the thermal degradation of waste polyethylene terephthalate

Swati V. Pol, Vilas G. Pol, Dov Sherman, Aharon Gedanken

Department of Chemistry

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Abstract

An efficient, solvent-free, catalyst-free approach is reported for the synthesis of strong, paramagnetic, conducting carbon microspheres from used polyethylene terephthalate (PET). The thermal decomposition of used PET polymer at 700 °C for 3 h in a closed reactor under autogenic [self generating] pressure yielded exceptionally hard spherical (2 to 10 μm diameters) solid carbon bodies, with the average tensile strength for a single [6 μm diameter] carbon sphere calculated to be 8.30 ± 0.69 GPa.

Original language	English
Pages (from-to)	448-445
Number of pages	4
Journal	Green Chemistry
Volume	11
Issue number	4
DOIs	https://doi.org/10.1039/b819494g
State	Published - 8 Apr 2009

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AB - An efficient, solvent-free, catalyst-free approach is reported for the synthesis of strong, paramagnetic, conducting carbon microspheres from used polyethylene terephthalate (PET). The thermal decomposition of used PET polymer at 700 °C for 3 h in a closed reactor under autogenic [self generating] pressure yielded exceptionally hard spherical (2 to 10 μm diameters) solid carbon bodies, with the average tensile strength for a single [6 μm diameter] carbon sphere calculated to be 8.30 ± 0.69 GPa.

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A solvent free process for the generation of strong, conducting carbon spheres by the thermal degradation of waste polyethylene terephthalate

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