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Fourier Transform Infrared Spectroscopic Study of Silane/Stone Interface

Published online by Cambridge University Press:  26 February 2011

Rakesh Kumar
Rakesh Kumar*
Affiliation:
Currently at the Getty Conservation Institute, 4503 Glencoe Ave., Marina del Rey, CA 90292 Institute of Archaeology, University College London, 31-34 Gordon Square, London, WC1H OPY, UK
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Abstract

FT-IR spectroscopy was used to study the nature of the interface between silanes and stone. Methyltrimethoxysilane (MTMOS), 3-aminopropyltriethoxysilane (APS), and vinyltrimethoxysilane (VTS) were applied to three kinds of stone: limestone, sandstone and khondalite (a metamorphosed sandstone). Infrared spectra of silanes on the stone surfaces were obtained throughout the spectral region studied (4000–450 cm-1) by a digital subtraction technique and were compared with spectra of pure polymerized silanes. APS, VTS have been shown to interact with all three types of stone, however, interaction of MTMOS was observed only with sandstone and khondalite stone.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 352: Symposium – Materials Issues in Art and Archaeology IV , 1995 , 341
Copyright
Copyright © Materials Research Society 1995

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References

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