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Title: A study of polyimide thin films - Physical aging and plasticization behaviors
Authors: ZHOU CHUN
Keywords: 6FDA-Durene, dense film, thickness, physical aging, plasticization, cross-linking modification
Issue Date: 11-Nov-2003
Citation: ZHOU CHUN (2003-11-11). A study of polyimide thin films - Physical aging and plasticization behaviors. ScholarBank@NUS Repository.
Abstract: A systematic research, which covers the characterization of the intrinsic gas permeation properties, the physical aging process monitoring, the CO2 plasticization behavior evaluation of the dense 6FDA-Durene polyimide films of different thickness, and finally the chemical cross-linking modification to withstand the plasticization of CO2 for CO2 separation and retard the physical aging process, has been presented in this thesis. Specifically, this work investigated (i) the aging profile of 6FDA-Durene polyimide dense films with different thickness, thus to correlate the aging of hollow fiber containing a thin and dense selective layer with the aging of dense films of comparable thickness; (ii) the CO2 plasticization behaviors of 6FDA-Durene films with different thickness; (iii) the effects of chemical cross-linking modification of 6FDA-Durene on the aging and CO2 plasticization behaviors.
Appears in Collections:Master's Theses (Open)

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