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RESEARCH |
Membrane Science and Technology for Gas/Liquid Separation and Purification
The objectives of this project are 1) to fundamentally understand the science of permeation, diffusion, sorption, aging, and plasticization of various gases and hydrocarbons in polymeric, carbon and mixed matrix materials, and 2) to investigate the key parameters of asymmetric and dual-layer membrane formation, especially the effects of solution rheology, spinneret design and spinning conditions on membrane morphology and separation performance. |
Membranes for Biopharmaceutical Syntheses and Separation
Pharmaceutical syntheses are often taken place in organic solvents through multiple steps of synthesis, multi-step separations and purifications have to be conducted in order to facilitate the reactions as well as to concentrate or separate small molecular weight (Mw) pharmaceutics and intermediates. The purpose of this project is to conduct fundamental research on using membrane technologies to facilitate biopharmaceutical syntheses and to separate and purify biopharmaceutical products in organic solvents. Two approaches are examined; one is using nano-filtration membranes to separate low Mw pharmaceutics and intermediates; the other is employing pervaporation technology to recycle waste organic solvents in biopharmaceutical syntheses.
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Fundamental Understanding of Polymerization and Crystallization Kinetics, Thermal Stability and Surface Energy Evolution for Liquid-Crystalline Polymers (LCPs)
This project is directed at developing the science and technology for high-performance LCPs. It is envisaged that this technology will help establish Singapore as a significant player in the area of high performance electronic devices. There are four focuses in this basic research and development, namely, thin-film polymerization of LCPs, crystallization kinetics, surface energy evolution and thermal stability.
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