Block copolyimide membranes for pure- and mixed-gas separation
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DOI: 10.1016/j.seppur.2016.09.024
Abstract: Abstract A series of aromatic random and multiblock co-polyimides with varying block length was prepared from 2,2′-bis-(3,4-dicarboxyphenyl) hexafluoropropane dianhydride with m -phenylenediamine (6FDA-mPDA) and 2,3,5,6-tetramethyl-1,4-phenylenediamine (6FDA-durene). The permeability coefficients of pure gases (CO 2 ,… read more here.
Keywords: block; gas; permeability; mixed gas ... See more keywords