Contrast-based evaluation of mar resistance of thermoplastic olefins
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The physical aspect of mar behavior is studied by applying a standardized progressive sliding load methodology to smooth and textured automotive-grade thermoplastic olefins. It is shown that surface texture has a strong effect on light scattering and, hence, the propensity for mar visibility. It is also shown that digital imaging via a desktop scanner can be used to quantitatively and objectively assess mar resistance using contrast as a basis. Incorporation of slip agent definitively improves the mar resistance for both types of surfaces. Relationships between contrast, gloss and surface roughness in relation to mar visibility are discussed. 2011 Elsevier Ltd. All rights reserved.
author list (cited authors)
Browning, R., Hossain, M. M., Li, J., Jones, S., & Sue, H.
complete list of authors
Browning, Robert||Hossain, Mohammad Motaher||Li, Jiang||Jones, Scooter||Sue, Hung-Jue