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EnglishMulti-wall carbon nanotubes/poly(butylene terephthalate) nanocomposites have been prepared by in-situ polymerization. Benzimidazolium tetrafluoroborate salts improve the dispersion of carbon nanotubes in the polymer matrix due to the formation of “π-cation” interactions of the imidazolium salt with the surface of the carbon nanotubes. An improved dispersion of the nanotubes in butanediol was also observed using the benzimidazolium salt. The presence of the compatibilization agent gives rise to improved thermo-mechanical properties and electrical conductivity for the nanocomposite. The presence of the nanotubes also consistently increases the thermal stability and enhances the nucleation process on PBT crystallization.
| Titolo: | Improved dispersion of multi-wall carbon nanotubes in poly(butylene terephthalate)using bensimidazolium surfactants |
| Autore/i: | COLONNA, MARTINO; BERTI, CORRADO; E. Binassi; FIORINI, MAURIZIO; ACQUASANTA, FRANCESCO; CELLI, ANNAMARIA |
| Autore/i Unibo: | |
| Anno: | 2009 |
| Rivista: | |
| Abstract: | Multi-wall carbon nanotubes/poly(butylene terephthalate) nanocomposites have been prepared by in-situ polymerization. Benzimidazolium tetrafluoroborate salts improve the dispersion of carbon nanotubes in the polymer matrix due to the formation of “π-cation” interactions of the imidazolium salt with the surface of the carbon nanotubes. An improved dispersion of the nanotubes in butanediol was also observed using the benzimidazolium salt. The presence of the compatibilization agent gives rise to improved thermo-mechanical properties and electrical conductivity for the nanocomposite. The presence of the nanotubes also consistently increases the thermal stability and enhances the nucleation process on PBT crystallization. |
| Data prodotto definitivo in UGOV: | 2009-11-10 15:18:00 |
| Data stato definitivo: | 2016-11-30T14:14:58Z |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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