Rapid carbon nanotubes suspension in organic solvents using organosilicon polymers

A strategy for a simple dispersion of commercial multi-walled carbon nanotubes (MWCNTs) using two organosilicones, polycarbosilane SMP10 and polysilazane Ceraset PSZ20, in organic solvents such as cyclohexane, tetrahydrofuran (THF), m-xylene and chloroform is presented. In just a few minutes the combined action of sonication and the presence of Pt(0) catalyst is sufficient to obtain a homogeneous suspension, thanks to the rapid hydrosilylation reaction between Sisingle bondH groups of the polymer and the CNT sidewall. The as-produced suspensions have a particle size distribution <1 μm and remain unchanged after several months. A maximum of 0.47 and 0.50 mg/ml was achieved, respectively, for Ceraset in THF and SMP10 in chloroform. Possible applications as polymeric and ceramic thin films or aerogels are presented.


Published in:
Journal of Colloid and Interface Science, 470, 15, 123-131
Year:
2016
Publisher:
San Diego, Elsevier
ISSN:
0021-9797
Keywords:
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 Record created 2016-03-07, last modified 2018-09-13

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