Table 1 Elemental composition and results of BET analysis of imidazolium functionalised membranes together with pristine nanofibers and PVBC grafted substrates.

From: Highly conductive anion exchange membranes based on polymer networks containing imidazolium functionalised side chains

Sample

Formula

 

Elemental composition (%)a

BET analysis results

C

H

N

Specific surface area (m2 g−1)

Average pore diameter (nm)

Pore volume (cm3 g−1)

PA-66

(C12H22N2O2)n

C

63.68

9.80

12.38

36.64 ± 3.2

140 ± 15.2

0.086 ± 0.0075

F

62.95

9.94

12.36

syn-PP

(C3H6)n

C

85.63

14.37

–

2.00 ± 0.16

45 ± 4.1

0.022 ± 0.0023

F

85.52

14.42

0.01

PA-66-g-PVBC

(C12H22N2O2)0.53n

(C9H9Cl)0.47n

C

67.04

7.99

6.50

8.25 ± 0.85

38 ± 4.0

0.017 ± 0.0020

F

66.33

8.04

6.50

syn-PP-g-PVBC

(C3H6)0.86n

(C9H9Cl)0.14n

C

83.56

13.19

–

1.42 ± 0.15

25 ± 2.2

0.010 ± 0.0011

F

83.41

13.22

0.02

PA-66-g-PVBIm (NFPA-Im-1)

–

F

68.14

7.12

7.32

2.01 ± 0.18

22 ± 1.9

0.011 ± 0.0010

syn-PP-g-PVBIm (NFPP-Im-1)

–

F

84.26

14.73

0.12

1.00 ± 0.09

16 ± 1.8

0.006 ± 0.0005

  1. a“C” refers to calculated values and “F” refers to found values based on elemental analysis.
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