Influence of Temperature and Time Parameters on Solution Mixing and Drying for Membrane Synthesis of Copolymer (Polyether-Block-Amide)
Journal: Chemical Methodologies (Vol.6, No. 10)Publication Date: 2022-10-01
Authors : Seyed Mohammad Faghih; Mahmoud Salimi; Hossein Mazaheri;
Page : 762-772
Keywords : Pebax1657; Membrane; Polymer; polyether-block-amide;
Abstract
Recently, researchers have suggested the use of membranes to separate gases. They found that using Pebax polymer was very suitable for gas separation. This polymer has good properties and good solubility for carbon dioxide absorption. One of the challenges for researchers is how to turn this polymer into a thin layer for usage as a membrane. Therefore, several methods and solvents have been used to make this membrane. Researchers have calculated the carbon dioxide permeability of this polymer and obtained different results. One of the reasons for the non-uniform permeability results for this gas could be the difference in the method of making the thin film. The use of different methods and solvents affects the physical and chemical properties of this polymer. Perhaps the most important parameters during membrane construction are temperature and drying time. In this research, we want to investigate the effect of these two parameters on the final performance. Thus, the membranes were evaluated by XRD, FT-IR, FESEM, and mechanical strength analyses. Finally, the effect of the parameters on the permeability of carbon dioxide and methane was calculated and compared by the Taguchi method.
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