Correlation of hardness with MFFT and CPVC of latex/ceramic coatings. From: The Journal of Coatings Technology | Date: October 1, 2003| Author: Lei, Ming; Francis, Lorraine F.; Scriven, L.E. | COPYRIGHT 2003 Federation of Societies for Coatings Technology. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Abstract

Hardness, porosity, and microstructure of film-forming in polyvinyl acetate/alumina coatings from aqueous suspensions were investigated with a minimum film formation temperature (MFFT) bar, Vickers hardness tester, and scanning electron microscopy (SEM). The hardness of opaque composite coatings (alumina:latex = 1:2 by volume) increased abruptly at the MFFT of the latex, suggesting that the alumina particles did not change the latex film formation behavior and t...

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