Enhancement in Corrosion Barrier Properties of Polyurethane Films on Steel by Embedding MgO Nanoparticles

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Abstract:

The effect of nanosized MgO loading on the corrosion barrier characteristics of polyurethane (PU) films on mild steel has been investigated. It was found that small amount of MgO loading even as low as 0.03 vol% significantly improved the corrosion retardation ability of PU films. Both the enhanced adhesion strength and the formation of chemically strong –NCO radicals between nano-MgO and PU matrix seem to be responsible for the enhancement.

Keywords: ADHESION STRENGTH; CORROSION; MAGNESIUM OXIDE; NANOCOMPOSITE; POLYURETHANE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.3346

Publication date: February 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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