Electrochemical coating of stainless steel with multi-walled carbon nanotubes/polyaniline composite layer
by Abou-Elhagag A. Hermas, Mohamed Abdel Salam, Salih S. Al-Juaid, S.A. Al-Thabaiti
International Journal of Nanomanufacturing (IJNM), Vol. 4, No. 1/2/3/4, 2009

Abstract: Doped polyaniline (PANI) in its emeraldine salt form with different quantities of oxidised multi-walled carbon nanotubes (OxMWCNTs) via in situ electro-polymerisation on the stainless steel (SS) has been performed. Presence of OxMWNTs in the composite was confirmed by thermal gravimetric analysis (TGA) and scanning electron microscope (SEM). The OxMWNTs increased significantly the electro-deposition rate on the steel surface. The reinforcing of OxMWNTs in the PANI decreased the porosity of the PANI and forming a network held the polymer. The influences of composite layer on the passivation and corrosion of the SS were studied and compared with pure PANI layer.

Online publication date: Mon, 07-Sep-2009

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