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Table 5 Thickness of the final membranes after tape casting thickness of 300 μm

From: Preparation of polyetherimide membrane from non-toxic solvents for the separation of hydrogen from methane

Sample PEI wt% Total thickness (μm) Dense layer thickness (μm)
NMP-23 23 150 6.5
NMP-27 27 130 8.7
GBL-23 23 85 9.6
GBL-27 27 75 12.5