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- W3201620014 endingPage "100558" @default.
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- W3201620014 abstract "Conjugate polymers provide the possibility of exploiting both the chemical and physical attributes of the polymers for membrane-based gas separation. The presence of delocalized π electrons provides high chain stiffness with low packing density, thus making the membrane a rigid structure that favors facilitated transport. Historically, the polymeric membranes were constrained by the tradeoff relationship between gas permeability and gas selectivity. So, different methods were investigated to prepare the membranes that can overcome the limitation. In recent years, electroconductive polymeric membranes have gained attention with their enhanced transportation properties combining the separation behavior depending on both molecular size discrimination as well as the facilitated transport. They offer better selectivity toward polar gases such as CO 2 because of the increased solubility. This review is aimed to provide a literature survey on gas separation using conjugate polymers such as polyaniline, polypyrrole, and some derivatives of polythiophenes. It contains various methods used by different researchers to enhance the gas separation properties of the membranes with improved mechanical and thermal stability such as changing the morphology and membrane preparation methods. In addition, it provides the pros and cons of various factors affecting the conjugate polymer membrane performance. The major challenges and future work that can be done in improving the transportation properties through the membrane to achieve viable membranes are also discussed so that they can be used for commercial and practical applications in the future. • Conjugate polymers provide the possibility for membrane-based gas separation. • The weak and unstable adhesion of these polymers with substrate hampers the reliability of the results obtained. • To achieve high permeation rates, nanostructured composite conjugate polymers membranes may be useful. • The conjugated microporous polymer membranes can eliminate the problem of low permeability." @default.
- W3201620014 created "2021-09-27" @default.
- W3201620014 creator A5046141336 @default.
- W3201620014 creator A5060472273 @default.
- W3201620014 creator A5090023517 @default.
- W3201620014 date "2021-12-01" @default.
- W3201620014 modified "2023-09-30" @default.
- W3201620014 title "Conjugate polymer-based membranes for gas separation applications: current status and future prospects" @default.
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