Mechanical Properties of Organic-Inorganic Hybrid Black Coating of Silica and Polyurethane

Abstract:

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The mechanical properties of black thin film on glass substrates and metallic, obtained from the synthesis of organic-inorganic silica hybrids via sol-gel are described. Hybrid silica-based coatings with tetraethoxysilane (TEOS), methyltrietoxysilane (MTES), polyurethane (PU) and commercial silica colloidal solution (Ludox HS30) as precursors, were used. The procedure is divided in the following three steps: 1) obtaining homogenous and stable solutions of different organic silica-polymer composition, 2) aggregation of the black pigment with the formulate FeMnOx, 3) Coating substrates by both dip-coating and aerograph airbrush, at room temperature. The films obtained were characterized by SEM, AFM and nano-indentation. The coatings of the Ludox-MTES-PU/FeMnOx system showed the better characteristics concerning the morphology and the adhesion to the glass and metallic copper substrates

Info:

Periodical:

Edited by:

Nicolás de la Rosa Fox

Pages:

161-165

DOI:

10.4028/www.scientific.net/KEM.423.161

Citation:

A. Rebati et al., "Mechanical Properties of Organic-Inorganic Hybrid Black Coating of Silica and Polyurethane", Key Engineering Materials, Vol. 423, pp. 161-165, 2010

Online since:

December 2009

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Price:

$35.00

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