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The influence of surface chemistry of nano-silica on microstructure,optical and mechanical properties of the nano-silica containing clear-coats
Authors:Zahra Ranjbar  Saeed Rastegar
Affiliation:1. Department of Surface Coatings and Corrosion, Institute for Colorants, Paint and Coatings, No. 59, Vafamanesh St., Hosainabad Sq., Lavizan, Tehran, Iran;2. Farayand Rang Khodro Co. Ltd., Automotive Coatings Department, Tehran, Iran
Abstract:Different nano-silicas were incorporated in an automotive OEM clear-coat based on acrylic-melamine chemistry. The morphological characteristics of the heat-cured films were investigated using scanning electron microscopy. It was found that there is a close relationship between the interfacial interactions of binder-silica nano-particles and mechanical and optical properties of the baked films.
Keywords:Nano-silica  Clear-coat  Morphology  SEM
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