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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2021.31.2.153

Study of Miscibility of Natural Silk by Molecular Dynamics Calculation of Solubility Parameter  

Im, Keunan (Department of Energy Engineering, Future Convergence Technology Research Institute, Gyeongsang National University)
Choi, Kang-min (BJ Silk)
Leem, Jung Woo (Weldon School of Biomedical Engineering, Purdue University)
Kim, Young L. (Weldon School of Biomedical Engineering, Purdue University)
Park, Chi Hoon (Department of Energy Engineering, Future Convergence Technology Research Institute, Gyeongsang National University)
Jang, Hae Nam (Department of Energy Engineering, Future Convergence Technology Research Institute, Gyeongsang National University)
Publication Information
Membrane Journal / v.31, no.2, 2021 , pp. 153-159 More about this Journal
Abstract
In recent years, polymer membranes, which are actively used in various industrial fields, have the advantage of being able to impart unique properties through the control of chemical structures and physical properties in the film-fabrication process, as well as through fabricating blend membranes mixed with various materials. In this study, the solubility parameter, which can be used as an index of miscibility with other materials, was calculated using molecular dynamics using a silkworm (Bombyx mori) silk polymer which has a wide potential to be used as an eco-friendly natural material. When the solubility parameter of polyvinylalcohol (PVA), which is also environmentally friendly and biocompatible, was calculated by molecular dynamics and compared with each other, it was confirmed that the two polymer materials had similar solubility parameter values. In conclusion, it was theoretically proved that the two polymers could blend well with each other, which was confirmed through experiments.
Keywords
molecular dynamics; solubility parameter; silk; blend membrane; electrospinning;
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