Membrane

Composition of casting solution (mixture of CA, solvent and additives)

CA (wt%)

DMSO:DMF

Additive

Additive (wt%)

1

10

10:0

PEG600

8.7

2

10

0:10

PEG2000

6

3

15

10:0

LiCl

2

4

15

0:10

PEG4000

1

5

18

9:1

PEG1000

10

6

18

8:2

PvP

6

7

20

9:1

PEG2000

4

8

20

8:2

LiCl

1

9

23

7:3

PEG600

10

10

23

6:4

PEG1000

8.7

11

13

7:3

PvP

4

12

13

6:4

PEG4000

2