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Journal of Coatings Technology and Research

Published in:

01-03-2010

The influence of nanoadditives on surface, permeability and mechanical properties of self-organized organic–inorganic nanocomposite coatings

Authors: Milena Špírková, Adam Strachota, Libuše Brožová, Jiří Brus, Martina Urbanová, Josef Baldrian, Miroslav Šlouf, Olga Bláhová, Petr Duchek

Published in: Journal of Coatings Technology and Research | Issue 2/2010

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Abstract

Transparent and colorless nanocomposite coatings were prepared from a hybrid organic–inorganic matrix and several inorganic nanofillers. The products are characterized by a high degree of self-assembling of the matrix which was prepared from an epoxy-functional organosilicon precursor and an oligomeric diamine. Unmodified and chemically modified montmorillonite, bentonite, laponite, and colloidal silica were used as nanofillers, differing in shape, size, and origin. The nanoadditive concentration in coatings was always 0.5 wt%. Solid-state NMR (¹³C and ²⁹Si CP/MAS) spectroscopy was used for estimation of polyaddition and polycondensation degree in the polymer matrix in order to evaluate its structure changes caused by interaction with the nanoadditives. The influence of the kind of additive on the dynamic mechanical properties, gas permeability, and surface properties (topography, roughness) is discussed.

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Title: The influence of nanoadditives on surface, permeability and mechanical properties of self-organized organic–inorganic nanocomposite coatings
Authors: Milena Špírková
Adam Strachota
Libuše Brožová
Jiří Brus
Martina Urbanová
Josef Baldrian
Miroslav Šlouf
Olga Bláhová
Petr Duchek
Publication date: 01-03-2010
Publisher: Springer US
Published in: Journal of Coatings Technology and Research / Issue 2/2010
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI: https://doi.org/10.1007/s11998-009-9175-3

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