Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/35566
Title: Tailoring the properties of glassy polymeric membranes for energy development
Authors: LI FUYUN
Keywords: Membrane technology, gas separation, hybrid nanocomposite membrane, polymer of intrinsic microporosity membrane, dual-layer hollow fiber, CO2 capture
Issue Date: 5-Apr-2012
Source: LI FUYUN (2012-04-05). Tailoring the properties of glassy polymeric membranes for energy development. ScholarBank@NUS Repository.
Abstract: Membrane gas separation technology has attracted great interest in the recent years due to the simplicity, ease of scale-up and environmental friendliness of membrane processes. However, traditional polymeric materials suffer from an upper-bound relationship for its permeability and selectivity. This greatly constrains the application of polymeric materials for industrial use. In this PhD work, the main focus is to explicitly tailor the properties of glassy polymeric membranes for gas separation application. In detail, four aspects have been thoroughly investigated. Firstly, the hybrid nanocomposite membranes were fabricated by incorporation of nano-sized POSS particles into commercially available Matrimid for the separation of natural gas. After that, two studies were focused on post-modifying the properties of polymer of intrinsic microporosity (PIM-1) membranes for CO2 capture and H2 separation. Considering the importance of hollow fiber for industry use, the formation of defect-free dual-layer hollow fiber membrane with an ultra-thin dense selectivity layer has also been studied.
URI: http://scholarbank.nus.edu.sg/handle/10635/35566
Appears in Collections:Ph.D Theses (Open)

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