Simulation analysis of drying of ternary polymeric solution coatings |
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| Affiliation: | 1. Department of Chemical Engineering, Thapar University Patiala, Bhadson Road, Patiala 147004, Punjab, India;2. Department of Chemical Engineering, Jaypee University of Engineering & Technology, Guna, A.B. Road, Raghogarh, Guna 473226, MP, India;1. Politecnico di Torino, Dipartimento di Scienza Applicata e Tecnologia, Via Teresa Michel 5, 15121 Alessandria, Italy;2. School of Materials Science and Engineering, Harbin University of Science and Technology, Linyuan Road 4, Dongli District, 150040 Harbin, China;1. Université de Lyon, CNRS, UMR 5223, INSA-Lyon, IMP@INSA, F-69621 Villeurbanne, France;2. Arkema, Centre de Recherche de l’Oise, Parc Technologique Alata, rue Jacques Taffanel, F-60550 Verneuil en Halatte, France;1. U.R. Electrochimie et Environnement, E.N.I.S – BPW, Université de Sfax, 3038 Sfax, Tunisia;2. Laboratoire des Sciences des Matériaux et d’Environnement, F.S.S, Université de Sfax, 3018 Sfax, Tunisia;1. Organic Polymer Chemistry Research Laboratory, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran;2. Nanotechnology and Advanced Materials Institute, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran;3. Center of Excellence in Sensors and Green Chemistry, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran |
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| Abstract: | A simulation study on multicomponent polymeric solvent casting process was carried out using known different models and their relative performance of the model assessed in terms of residual parameters and solvent concentration profiles in the coating film. While all the models were found to predict nearly identical concentration profile for highly volatile solvents, significant variation in the profiles was observed in case of the less volatile solvents. Estimated values of the preexponential factors (D01 and D02) exhibited marginal differences implying perhaps a material balance deviation of the predictive models. The effect of air flow rate used for the drying process has been realized through its influence on the skinning behavior, low flow rate being the preferred while for maintaining the appropriate level of skinning. |
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| Keywords: | Multicomponent diffusion Thin film Free-volume theory Skinning |
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