User:Mary Mendoza/Notebook/CHEM 581: Experimental Chemistry I/2014/08/27: Difference between revisions
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* Two vials of polyvinyl alcohol (PVA) weighing 1.0010 and 1.0024 g were given. The clay, 0.11g of sodium montmorillonite, was added to 1.0010 g of PVA. | * Two vials of polyvinyl alcohol (PVA) weighing 1.0010 and 1.0024 g were given. The clay, 0.11g of sodium montmorillonite, was added to 1.0010 g of PVA. | ||
* Both polymer mixtures took longer than expected to dissolve after the 15 minute period at 75°C. The temperature of the hot plate was increased to 120°C. | * Both polymer mixtures took longer than expected to dissolve after the 15 minute period at 75°C. The temperature of the hot plate was increased to 120°C. | ||
* Upon finishing the protocol, the teflon dishes containing the polymer mixtures were left to dry under the hood in preparation for the addition of acid. | * Upon finishing the protocol, the teflon dishes containing the polymer mixtures were left to dry under the hood in preparation for the addition of acid on Friday. | ||
* Addition of acid will | * Addition of acid will cross-link the clay to the polymer. | ||
===Reaction=== | ===Reaction=== |
Revision as of 09:38, 27 August 2014
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Comparison of Polymer and Polymer + Clay Films: Effect of Sodium MontmorilloniteObjective
Procedure
Reaction |