Thermal stability and electrical conductivity of multiwalled carbon nanotube (MWCNT)/polymethyl methacrylite (PMMA) nanocomposite prepared via the coagulation method.

Autor: Ismail, Noor Mazni, Aziz, Azizan, Jaafar, Mariatti
Předmět:
Zdroj: AIP Conference Proceedings; 6/29/2012, Vol. 1455 Issue 1, p212-215, 4p, 1 Black and White Photograph, 2 Graphs
Abstrakt: Multi-walled carbon nanotube (MWCNT) is well known as one of the best candidates for producing the next generation of high performance nanocomposites due to its excellent properties, this includes its thermal and electrical properties, respectively. In this study, multi-walled carbon nanotube (MWCNT) were dispersed in polymethyl methacrylite (PMMA) microsphere by coagulation method and then hot-pressed to create nanocomposite film consists of rich nanotubes paths. Samples were prepared in respect to various high filler loading (1%, 3%, 5%, 7% and 10% wt.). Thermal stability and electrical conductivity of the composites as a function of MWCNT concentration were measured. Results showed the electrical conductivity of MWCNT/PMMA nanocomposite improved with percolation threshold at 10wt.%. While, thermal stability was enhanced with thermal degradation temperature was observed to be shifted to the higher temperature by 50°C more than that obtained with the neat PMMA. These studies therefore demonstrate that MWCNT/PMMA prepared by coagulation method able to successfully improve thermal and electrical properties of PMMA. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index