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AssigneePPG Industries Ohio, Inc.
InventorsDaniela White, James B. O'Dwyer, Michael A. Mayo, Laura E. Poindexter, John R. Schneider, Michael L. White, Richard J. Sadvary, Shiryn Tyebjee, Joseph M. Carney, Lawrence G. Anderson, Dennis A. Simpson, Thomas R. Hockswender
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Liquid coating compositions having improved mar and scratch resistance are disclosed. The coatings generally comprise one or more particles that have been modified to render the particles more surface active. The improved resistance is achieved without affecting the appearance or mechanical performance of the coatings. Methods for using the coatings, and the substrates coated therewith, are also disclosed.
A liquid coating comprising:
A coating composition comprising:
A method for lowering the surface tension of a cured coating comprising adding to the uncured liquid coating composition a particle having a lower surface tension that the cured coating has without the addition of the particle.
A cured coating having a gloss retention after mar and/or scratch testing of 38 percent or greater and a flexibility of 6 or greater at a temperature of 70° F.
Dependencies are inferred from the claim text.