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Diffusion in Multicomponent Polymeric Coatings
Drying of Polymeric Coatings: Theories, Experiments and Optimization
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Artikel-Nr:
9783838381565
Veröffentl:
2010
Einband:
Paperback
Erscheinungsdatum:
27.07.2010
Seiten:
196
Autor:
Raj Arya
Gewicht:
310 g
Format:
220x150x12 mm
Sprache:
Englisch
Beschreibung:
Raj Kumar Arya, B. Tech. ( HBTI Kanpur), M. Tech. (IIT Delhi), Ph.D.(IIT Bombay), India.
Several models have been developed to describe the diffusion transport in multicomponent polymeric coatings using Bearman's friction factor theory. In this work, all the available models have been tested against measured concentrations at several depths and time in given coating using confocal laser Raman spectroscopy. Experimental results shows that none of the model is able to predict complete drying behavior of multicomponent polymeric coatings. A new method has been developed to find near optimum drying condition for binary coating. Method has been tested for multizone dryers. It needs only a drying code and obviates the need of optimization subroutine. Non-Fickian trasnport has been observed experimentaly and it is first work which shows experimental proof of non-Fickian drying in polymeric coatings which turns glassy at drying conditions.