PVOH Films
- Heated films to 120°C for 90 min
|
Catalyst
|
Preheat Mass
|
Dehydrated Mass
|
|
H2SO4
|
0.42818 g
|
0.32884 g
|
|
HCl
|
0.38868 g
|
0.33176 g
|
|
H2SO4
|
0.44926 g
|
0.40110 g
|
- Prepared maleic acid (MA) cross-linked films using same 3 acid catalysts
- 0.50 g PVOH, 0.05 g MA, 2 drops acid, 3 mL water
- air dry 3 days in fume hood
|