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Erschienen in:
16.06.2016
Effect of in-situ oxidative preparation on electrical properties of Epoxy/PANi/MWCNTs nanocomposites
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 10/2016
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Abstract
Conductive adhesives based on Epoxy/Polyaniline/MWCNT (EPM) system doped with Paratoluensulfonic acid (p-TSA) have been successfully synthesis via different methods and characterized. The composites were prepared by in situ synthesis of aniline/MWCNTs within epoxy matrix and direct physical mixing. X-ray diffraction (XRD) spectrum established the existence of MWCNT in the structure and showed that the morphology of samples was amorphous. FT-IR results confirmed that the composites were successfully synthesis and there is strong coupling between the PANi and MWCNT. The microstructure of the conductive adhesives was considered by field emission scanning electron microscopy. The in situ technique contributes for the development of a conducting path with lower amount of PANi/p-TSA. Electrical properties as a function of PANi and MWCNTs contents have also indicated a great interaction between polyaniline, MWCNT and epoxy matrix by in situ polymerization procedure.