Preparation and characterization of polyurethane–carbon nanotube composites
- 10 October 2005
- journal article
- Published by Royal Society of Chemistry (RSC) in Soft Matter
- Vol. 1 (5), 386-394
- https://doi.org/10.1039/b509038e
Abstract
Well-dispersed and long-term stable carbon nanotubes/polyol dispersions were prepared by a mechanochemical approach with the aid of dispersing agent. Polyurethane (PU)–carbon nanotube nanocomposites were prepared by further in situ polymerization. Multi-walled carbon nanotubes (MWNT) can be dispersed individually. Fourier transform infrared (FTIR) spectra suggested that the addition of carbon nanotubes improved the degree of phase separation of polyurethane. Dynamic mechanical analysis (DMA) suggested that glass transition temperature (Tg) of polyurethane decreased with increasing carbon nanotube content slightly. Tensile test suggested that MWNT is more helpful to improve the modulus than single-walled carbon nanotube (SWNT), which is more favourable to improve the elongation of polyurethane. The different reinforcing effects of MWNT and SWNT on PU were correlated to the shearing thinning exponent and the shape factor of carbon nanotubes in polyol dispersion. Raman shift of SWNTs can reflect the dispersion state of SWNT in polyol or in PU, and the interaction between polymer and SWNT. Both SWNT and MWNT can improve the thermal stability of polyurethane and thermal conductivity.This publication has 54 references indexed in Scilit:
- Polymer Brushes on Single-Walled Carbon Nanotubes by Atom Transfer Radical Polymerization of n-Butyl MethacrylateJournal of the American Chemical Society, 2003
- Polymer-Encapsulated Carbon Nanotubes Prepared through Ultrasonically Initiated In Situ Emulsion PolymerizationChemistry of Materials, 2003
- Influence of C60Fullerene on the Oxidative Degradation of a Free Radical Poly(Methyl Methacrylate)Journal of Macromolecular Science, Part B, 2003
- Thermal Degradation and Flammability Properties of Poly(propylene)/Carbon Nanotube CompositesMacromolecular Rapid Communications, 2002
- Fabrication of Carbon Multiwall Nanotube/Polymer Composites by Shear MixingMacromolecular Materials and Engineering, 2002
- Dynamic mechanical behavior of melt-processed multi-walled carbon nanotube/poly(methyl methacrylate) compositesChemical Physics Letters, 2001
- Study on poly(methyl methacrylate)/carbon nanotube compositesMaterials Science and Engineering: A, 1999
- Fabrication and Characterization of Carbon Nanotube/Poly(vinyl alcohol) CompositesAdvanced Materials, 1999
- A recipe for strengthNature, 1999
- Aligned Carbon Nanotube Arrays Formed by Cutting a Polymer Resin—Nanotube CompositeScience, 1994