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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