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Type: Journal article
Title: Novel thiol-ene hybrid coating for metal protection
Author: Taghavikish, M.
Subianto, S.
Dutta, N.
Roy Choudhury, N.
Citation: Coatings, 2016; 6(2):17-1-17-14
Publisher: MDPI AG
Issue Date: 2016
ISSN: 2079-6412
Statement of
Mona Taghaviksih, Surya Subianto, Naba Kumar Dutta and Namita Roy Choudhury
Abstract: A novel hybrid anticorrosion coating with dual network of inorganic (Si–O–Si) and organic bonds (C–S–C) was prepared on metal through an in situ sol-gel and thiol-ene click reaction. This novel interfacial thin film coating incorporates (3-mercaptopropyl) trimethoxysilane (MPTS) and 1,4-di(vinylimidazolium) butane bisbromide based polymerizable ionic liquid (PIL) to form a thiol-ene based photo-polymerized film, which on subsequent sol-gel reaction forms a thin hybrid interfacial layer on metal surface. On top of this PIL hybrid film, a self-assembled nanophase particle (SNAP) coating was employed to prepare a multilayer thin film coating for better corrosion protection and barrier performance. The novel PIL hybrid film was characterised for structure and properties using Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). The corrosion protection performance of the multilayer coating was examined using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The results reveal that this novel double layer coating on metal offers excellent protection against corrosion and has remarkably improved the barrier effect of the coating.
Keywords: Hybrid film; (3-mercaptopropyl)trimethoxysilane (MPTS); polymerizable ionic liquid (PIL); thiol-ene reaction
Description: Published: 7 April 2016
Rights: © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons by Attribution (CC-BY) license (
DOI: 10.3390/coatings6020017
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