User:Allison K. Alix/Notebook/CHEM-581/2012/09/07: Difference between revisions

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|style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Experimental Chemistry</span>
|style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Experimental Chemistry</span>
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==Objective==
==Objective==
Prepare thin films suitable for IR Spectroscopy Analysis, test solubility of PVOH thin films, perform cross-linking experiment on thin films


==Description==
==Description==
0.1g of PVOH (MW=22000 AND MW=100000) was dissolved in ~5-6mL of water and dried to be used in IR analysis.


==Data==
In addition to this, the solubility of previously synthesized thin films were tested. 0.2g of the following films (MW=22000) were placed in water with stirring to observe if completely soluble:
* Add data and results here...
 
A. 0.5g PVOH
 
B. 0.5gPVOH/H<sub>3</sub>PO<sub>4</sub>


==Notes==
C. 0.5g PVOH/H<sub>3</sub>PO<sub>4</sub>/Maleic Acid
This area is for any observations or conclusions that you would like to note.


0.2g of A-C polymers were cross linked by placing in the oven for ~90 minutes allowing for dehydration to occur. The solubility of these films were also tested and results were compared to that of the non-cross linked polymer samples.


Use categories like tags. Change the "Course" category to the one corresponding to your course. The "Miscellaneous" tag can be used for particular experiments, as instructed by your professor. Please be sure to change or delete this tag as required so that the categories remain well organized.
==Data==
Each of the non-cross linked samples were completely soluble in water. After cross linkage, however, there were differences in solubility. Both A and B completely dissolved, C did not dissolve.


[[Category:Course]]
==Notes==
[[Category:Miscellaneous]]
N/A




Latest revision as of 21:59, 26 September 2017

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Objective

Prepare thin films suitable for IR Spectroscopy Analysis, test solubility of PVOH thin films, perform cross-linking experiment on thin films

Description

0.1g of PVOH (MW=22000 AND MW=100000) was dissolved in ~5-6mL of water and dried to be used in IR analysis.

In addition to this, the solubility of previously synthesized thin films were tested. 0.2g of the following films (MW=22000) were placed in water with stirring to observe if completely soluble:

A. 0.5g PVOH

B. 0.5gPVOH/H3PO4

C. 0.5g PVOH/H3PO4/Maleic Acid

0.2g of A-C polymers were cross linked by placing in the oven for ~90 minutes allowing for dehydration to occur. The solubility of these films were also tested and results were compared to that of the non-cross linked polymer samples.

Data

Each of the non-cross linked samples were completely soluble in water. After cross linkage, however, there were differences in solubility. Both A and B completely dissolved, C did not dissolve.

Notes

N/A



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