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Barrier Properties of Inorganic-Organic Polymers

Published online by Cambridge University Press:  10 February 2011

M. Hoffmann
Affiliation:
Fraunhofer-Institute for Silicate Research, Neunerplatz 2, D-97074 Warzburg, GERMANY
S. Amberg-Schwab
Affiliation:
Fraunhofer-Institute for Silicate Research, Neunerplatz 2, D-97074 Warzburg, GERMANY
B. Claflin
Affiliation:
Fraunhofer-Institute for Silicate Research, Neunerplatz 2, D-97074 Warzburg, GERMANY
G. Lucovsky
Affiliation:
Fraunhofer-Institute for Silicate Research, Neunerplatz 2, D-97074 Warzburg, GERMANY
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Abstract

The oxygen barrier properties of sol-gel derived inorganic-organic polymer coatings were investigated. By systematic variation of the ratios of the starting compounds and of the curing conditions, materials with different inorganic and organic network densities were obtained. The network densities were characterized using 29Si solid-state NMR and FT-Raman spectroscopy. It was found that the oxygen transmission rates decrease with increasing inorganic as well as organic network density.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

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References

1 Bader, H., Gessler, M., Langowski, H.-C., Amberg-Schwab, S., Hoffmann, M., Moosheimer, U., TAPPI Proceedings 499–502 (1997).Google Scholar
2 Amberg-Schwab, S., Hoffmann, M., Bader, H., Kunststoffe plast europe 86, 1517 (1996).Google Scholar
3 Brinker, C.J., Scherer, G.W., Sol-Gel-Science, The Physics and Chemistry of Soi-Gel-Processing (Academic Press inc., New York, 1990).Google Scholar
4 Kron, J., Amberg-Schwab, S., Schottner, G., J Sol-Gel Sci. 2, 189192 (1994).10.1007/BF00486239CrossRefGoogle Scholar

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