Abstract
Vinyl imidazole (VI) was copolymerized with four silane coupling agents, allyl trimethoxysilane (ATS), γ-methacryloxypropyl trimethoxysilane (MPS), 3(N-styrylmethoxyl-2-amino-ethylamino)propyltrimethoxysilane hydrochloride (STS), and vinyl trimethoxysilane (VTS), in benzene at 68°C using azobisisobutyronitrile (AIBN) as an initiator. Fourier transform infrared reflection and absorption spectroscopy (FTIR-RAS) and scanning electron microscopy (SEM) were applied to the study of the corrosion protection on copper by various silane-modified poly(vinyl imidazole)(1)s [PVI(1)]s. Four silane-modified PVI(1)s proved to be good corrosion inhibitors in humid conditions. However, the corrosion protection capability at an elevated temperature of silane-modified PVI(1)s depended on their thermal stability. Poly(VI-co-VTS) showed the best corrosion protection capability at elevated temperature due to its highest thermal stability. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 64: 2585–2595, 1997
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