User:Moira M. Esson/Notebook/CHEM-581/2012/09/14: Difference between revisions
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** Pan mass: 49.01 mg | ** Pan mass: 49.01 mg | ||
** Sample mass: 2.86 mg | ** Sample mass: 2.86 mg | ||
'''General Observations''': | |||
*The crosslinked PVOH MW22,000+[HCl]+10% maleic acid and PVOH MW 22,000+[HCl}+10% succinic acid after crosslinking turned very rigid, shiny and black | |||
==FTIR on PVOH(MW 22,000) Thin Film== | ==FTIR on PVOH(MW 22,000) Thin Film== | ||
[[Image:FTIR PVOH(22K).JPG]] | [[Image:FTIR PVOH(22K).JPG]] | ||
*'''Note''': It is necessary to redo this analysis. The scan losses resolution around 3700 to 3000 cm<sup>-1</sup>, indicating that the film is too thick for FTIR. A thinner film of the same MW will be prepared and analyzed | *'''Note''': It is necessary to redo this analysis. The scan losses resolution around 3700 to 3000 cm<sup>-1</sup>, indicating that the film is too thick for FTIR. A thinner film of the same MW will be prepared and analyzed | ||
==DSC run today== | |||
* Using the standard protocol of DSC described on 9/12/2012, the following films were analyzed using DSC: | |||
# PVOH (MW 22000) | |||
# Crosslinked PVOH (MW 22000) | |||
# PVOH (MW 22000), 10% succinic acid, HCl | |||
# PVOH (MW 22000), 10% maleic acid, HCl | |||
# Crosslinked PVOH (MW 22000), 10% maleic acid, HCl | |||
# Crosslinked PVOH (MW 22000), 15% succinic acid, H<sub>3</sub>PO<sub>4</sub> | |||
# Crosslinked PVOH (MW 22000), 15% maleic acid, H<sub>3</sub>PO<sub>4</sub> | |||
# Crosslinked PVOH (MW 22000), 10% succinic acid, HCl | |||
Revision as of 21:08, 14 October 2012
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Objectives
Crosslinking of Glutaraldehyde filmGeneral Protocol:
DSC on Crosslinked PVOH MW(22,000) filmsFilms were put in the DSC following the standard protocol
General Observations:
FTIR on PVOH(MW 22,000) Thin Film
DSC run today
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