Optical characterization of a commercial paint

Luis Efraín Regalado; Jorge A. Gaspar-Armenta; Jesus Nieto-Nieves

doi:10.1117/12.524137

19 November 2003 Optical characterization of a commercial paint

Luis Efraín Regalado, Jorge A. Gaspar-Armenta, Jesus Nieto-Nieves

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524137
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

Optical characterization in commercial paints helps to improve and optimize the fabrication process and to minimize the cost of the final product. The paint under study is elaborated with a polymer matrix and some amount of particulate inclusions, its main characteistics are good quality, homogeneity of white appearance and brightness. When dried it is transparent. We prepare echelled layers with different paint thickness deposited onto transparent and metallic substrates and measure its reflection and transmission for both colorimetric and angular variation of the incident light. The experimental results allow the determination of the refractive index and thickness. Correlation with the granular structure is treated with different models, the size and filling factor of the inclusions playing an important role.

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Luis Efraín Regalado, Jorge A. Gaspar-Armenta, and Jesus Nieto-Nieves "Optical characterization of a commercial paint", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.524137

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KEYWORDS

Refractive index

Reflection

Statistical modeling

Glasses

Polymers

Silver

Reflectivity

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