AU Biomaterials Design Lab:Protocols/PVOH Crosslinking alcohols acids

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Revision as of 20:19, 23 August 2012 by Douglas M. Fox (talk | contribs) (New page: ==Description== ==Protocol== #Transfer PVOH and solid acid or alcohol based crosslinker to a 10 mL beaker #Add a small amount of water (~6 mL / g PVOH) #Heat to 70°C-80°C and stir unti...)
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Description

Protocol

  1. Transfer PVOH and solid acid or alcohol based crosslinker to a 10 mL beaker
  2. Add a small amount of water (~6 mL / g PVOH)
  3. Heat to 70°C-80°C and stir until dissolved
  4. Add 2 drops concentrated mineral acid catalyst
  5. Stir 10 min
  6. Pour into a teflon evaporating dish
  7. Air dry 2 days
  8. Record mass of formed film
  9. Heat in oven at 100°C-150°C for 20-120min
  10. Cool to room temperature and record mass

Notes

References

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