Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 49, Issue 24, Pages 12605-12612Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ie1014958
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Funding
- National Natural Science Foundation of China [20736002, 20776045]
- National High Technology Research and Development Program of China [2008AA062302]
- University of China [IRT0721]
- 111 Project of China [B08021]
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Metal-organic framework (MOF) crystals of Cu-3(BTC)(2) with a high surface area (1396 m(2).g(-1)) were synthesized and mixed with polyimide (PI) to prepare mixed-matrix membranes (MMMs) for gas separations The PI-Cu-3(BTC)(2) blend was successfully spun into MMM hollow fiber by the dry/wet-spinning method SEM images of the fiber cross sections revealed significant plastic deformation of the polymer matrix owing to the strong affinity between Cu-3(BTC)(2) and PI The H-2 permcance and the selectivity of H-2 with respect to other gases such as N-2, CO2, O-2, and CH4 both Increased markedly with increased Cu-3(BTC)(2) loading At a loading of 6 wt % Cu-3(BTC)(2), the permeance of H-2 increased by 45%, and the ideal selectivity increased by a factor of 2-3 compared to the corresponding values for pure PI
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