Abstract:The decrease of optical thickness of drying latex coatings is measured interferometrically. Through data processing film thickness and polymer volume fraction are obtained, which are a measure of particle spacing and deformation. The applied criterion for film formation is the attainment of a dense polymeric material. In this sense the method can be used to check film formation under a variety of conditions. The kinetics of film formation is monitored as well. Since the method is sensitive to changes in optica… Show more
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