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- W4386156900 abstract "<p>Functionalities and structural properties of multiphase polymeric materials can be modified by imposing external forces to the mixture undergoing phase separation resulting in non-uniform anisotropic microstructures. Anisotropic heterogeneous polymeric materials have practical engineering applications such as anisotropic porous polymer membranes and switchable holographic polymer-dispersed liquid crystal films. Anisotropy can be generated by applying singly or in combination, an external force like shear flow, electric or magnetic field, surface effect, controlled chemical reaction, concentration gradient, or temperature gradient to a polymer solution undergoing phase separation. In this study, the self-condensation polymerization of a monomer in a monomer-solvent mixture and phase separation of the system were simultaneously modeled and simulated. The numerical Galerkin finite-element method was applied to develop the mathematical model. Short-range surface potential, long-range surface potential, and linear temperature and concentration gradients were applied singly and also simultaneously to the system undergoing the polymerization-induced phase separation (PIPS). The expected non- uniform structures were achieved. A comprehensive parametric study was carried out by investigating the effects of diffusivity, temperature gradient, concentration gradient, and surface potential parameter on the lag time, process time, morphology development, thickness of the wetting layer, and the extent of anisotropy of the system. The size analysis and structural characterization of the phase-separated system were also carried out using ImageJ 1.51j8 which is an image processing and analysis software. The numerical results are in good agreement with published experimental data.</p>" @default.
- W4386156900 created "2023-08-26" @default.
- W4386156900 creator A5092264968 @default.
- W4386156900 date "2023-08-29" @default.
- W4386156900 modified "2023-09-27" @default.
- W4386156900 title "Fabrication of Anisotropic Polymer Materials by Polymerization-Induced Phase Separation (PIPS) Under External Fields: Computational Analysis" @default.
- W4386156900 doi "https://doi.org/10.32920/24033939.v1" @default.
- W4386156900 hasPublicationYear "2023" @default.
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