STRUCTURE AND PROPERTIES OF THE DISPERSIONS OF MULTI-WALLED CARBON NANOTUBES IN N,N-DIMETHYLACETAMIDE
Abstract
The structure and properties of the dispersions of multi-walled carbon nanotubes in N,N dimethylacetamide with different polymer dispersive agents: polyvinylpyrrolidone, poly(ethylene glycol), triblock copolymers poly(ethylene glycol)–poly(propylene glycol)–poly(ethylene glycol), ethylenediamine tetrakis(ethoxylate–block–propoxylate) tetrol of different molecular weights were studied. Polyvinylpyrrolidone was found to have the best dispersive capacity. It was shown that the dispersion degree and the particle size of the multi-walled carbon nanotubes in N,N–dimethylacetamide depend on the chemical nature and molecular weight of the dispersive agent and the thermodynamic solvent quality in relation to the dispersive agent.
About the Authors
T. V. PLISKOBelarus
A. V. BILDYUKEVICH
Belarus
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