FT-IR spectroscopic investigations and the thermal stability of thickness-sensitive spectrally selective paint coatings

Zorica Crnjak Orel; Boris Orel; A. Krainer

doi:10.1117/12.20456

1 August 1990 FT-IR spectroscopic investigations and the thermal stability of thickness-sensitive spectrally selective paint coatings

Zorica Crnjak Orel, Boris Orel, A. Krainer

Author Affiliations +

Proceedings Volume 1272, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX; (1990) https://doi.org/10.1117/12.20456
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

Various black paints suitable for coil coating application with different PVC ratios (27-39 %) were made from phenoxy resin and FeMnCuO pigment. The influence of the paint formulation on its spectral selectivity, surface properties and thermal responses were established. Optimization (a5 > 0.90, eT < 0.15) of the TSSS paint coating was obtained by addition of fumed silica and silane coupling agent at a PVC ratio of about 30 %. Thermal degradation of the paint coating was investigated by measuring the infrared spectra of coatings for the duration of a 60 hour heat treatment. Comparison of the corresponding FT-IR spectra revealed0 that oxidization of the phenoxy resin took place. The paint is stable up to 135 C, while at 220°C outgassing is already beginning.

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Zorica Crnjak Orel, Boris Orel, and A. Krainer "FT-IR spectroscopic investigations and the thermal stability of thickness-sensitive spectrally selective paint coatings", Proc. SPIE 1272, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion IX, (1 August 1990); https://doi.org/10.1117/12.20456

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