Effect of Aluminum Flake Orientation on Coating Appearance

Published

January 1, 2001

Author(s)

L Sung, Maria Nadal, M E. McKnight, Egon Marx, R Dutruc, B Laurenti

Abstract

The orientation of platelet-like pigments in coatings is affected by the processing conditions resulting in appearance variations of the final product. A set of aluminum-flake pigmented coatings having different flake orientations was pre-pared using various spray conditions. The orientations of individual flakes were determined using laser scanning confocal microscopy. The orientation distribution was then used as input to a ray scattering model to calculate the optical reflectance of these coatings. The pigment orientation distributions and the measured optical reflectance as a function of scattering angle will be presented and the latter will be compared to the calculated reflectance.

Proceedings Title

Proceedings of the 79th Annual Meeting Technical Program of the Federation of Societies for Coatings Technology (FSCT ICE), Georgia World Congress Center

Conference Dates

November 5-7, 2001

Conference Location

Atlanta, GA, USA

Pub Type

Conferences

Keywords

appearance, confocal microscopy, flake orientation, optical reflectance, pigmented coatings, ray scattering model

Citation

Sung, L. , Nadal, M. , McKnight, M. , Marx, E. , Dutruc, R. and Laurenti, B. (2001), Effect of Aluminum Flake Orientation on Coating Appearance, Proceedings of the 79th Annual Meeting Technical Program of the Federation of Societies for Coatings Technology (FSCT ICE), Georgia World Congress Center, Atlanta, GA, USA (Accessed October 13, 2025)