Journal
RSC ADVANCES
Volume 7, Issue 56, Pages 35265-35273Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra06205b
Keywords
-
Categories
Funding
- EPSRC [EP/N034627/1]
- EPSRC [EP/N034627/1, EP/M507295/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N034627/1, EP/M507295/1] Funding Source: researchfish
Ask authors/readers for more resources
Unique high performance thermoplastic PEEK ternary nanocomposites reinforced by nano graphitic carbon coated IF-WS2 (inorganic fullerene-like tungsten disulphide) have been prepared and their structures have been characterised by electron microscopy imaging, electron dispersive spectrum elemental and X-ray diffraction scanning. The IF-WS2@C-PEEK composites exhibit impressive improvements in both their mechanical and thermal properties, with an extraordinary 54% enhancement in the ultimate tensile strength at 2 wt% and a nearly 235% increase in thermal conductivity at 8 wt%. In addition, they also show an increase in decomposition temperature (over 50 degrees C) with higher IF-WS2@C contents. Further investigation reveals the activation energies estimated by the Kissinger method to be 61 and 97 kJ mol(-1) for neat PEEK and IF-WS2@C-PEEK, respectively. This is ascribed to the enhanced dispersion ability and better interface bonding between the PEEK matrix and IF-WS2@C nanoparticles, which for the first time has been investigated by FTIR and XPS analysis. These significantly improved properties will no doubt expand the applications of the PEEK-based nanocomposites.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available