Optimization of single-zone drying of polymer solution coatings using mathematical modeling

被引：0
|
作者：
机构：
[1] Price Jr., Peter E.
[2] Cairncross, Richard A.
来源：
Price, Peter E. | 2000年 / John Wiley & Sons Inc, New York, NY, United States卷 / 78期
关键词：
Boiling liquids - Defects - Drying - Heat transfer - Mathematical models - Optimization - Organic polymers - Organic solvents - Substrates - Temperature;
D O I：
10.1002/1097-4628(20001003)78:13.0.CO;2-Y
中图分类号：
学科分类号：
摘要：
Optimal conditions for drying polymer-solvent coatings result from a trade-off between minimizing the residual solvent level and creating defects. This article describes an application of automated constrained optimization with a detailed mathematical drying model to find the optimal drying conditions for a prototypical coating in a single-zone oven. The optimization process seeks oven conditions that minimize the residual solvent level for a fixed oven residence time without boiling the solvent within the coating. The optimal oven conditions include the air temperature and coating-side and substrate-side heat-transfer coefficients. The conditions are constrained to physically reasonable values. According to our results, the optimal coating-side heat-transfer coefficient is always equal to or greater than the optimal substrate-side heat-transfer coefficient.
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