Polyvinyl alcohol(PVOH) film preparation
- General Procedure:
- Place 0.5g PVOH in a 10mL beaker with a small stir bar
- Add 3mL of water
- For each additional 0.5g, add an additional ~2mL of water
- Place on hot plate and heat to 70°C-80°C
- Stir and heat until dissolved(~15 min)
- Remove stir bar and any remaining gel
- Quickly pour solution into a Teflon dish. If excess gel is present remove with tweezers
- Allow film to air dry overnight in fume hood
- Prepared PVOH films using general procedure
- 0.5g PVOH (MW 130,000) in 3mL water
- 1.0g PVOH (MW 130,000) in 5mL water
- Notes
- An additional 2mL-3mL of water was added to fully dissolve the PVOH
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