September 3, 2014
Procedures
Completing Film Synthesis
Continued from Friday, 8/29/2014<br.>
Procedure detailed by Dr Hartings
- Stir in Sodium Sulfate, 1% HCl, and Sodium Bicarbonate solutions
Beginning New Film Synthesis
Procedure detailed by Dr Hartings
- Polymer-10% Clay Film
- 1.0012 g PVA and 0.1120 g sodium montmorillonite (~1g PVA and ~.1g NaM)
- Polymer Film
Differential Scanning Calorimetry Measurements
- Polymer-10% Clay Film in 2 ppm MG
- Pan and lid mass: 0.05289 g
- Film mass: 0.00406 g
- Polymer-10% Clay Film in 8 ppm MG
- Pan and lid mass: 0.05226 g
- Film mass: 0.00549 g
- Polymer-10% Clay Film in 80 ppm MG
- Pan and lid mass: 0.05297 g
- Film mass: 0.00338 g
- Polymer-10% Clay Film in 200 ppm MG
- Pan and lid mass: 0.05253 g
- Film mass: 0.00346 g
- Polymer Film in 2 ppm MG
- Pan and lid mass: 0.05299 g
- Film mass: 0.00388 g
- Polymer Film in 8 ppm MG
- Pan and lid mass: 0.05225 g
- Film mass: 0.00349 g
- Polymer Film in 80 ppm MG
- Pan and lid mass: 0.04741 g
- Film mass: 0.00393 g
- Polymer Film in 200 ppm MG
- Pan and lid mass: 0.05242 g
- Film mass: 0.00349 g
- Polymer-10% Clay Film
- Pan and lid mass: 0.05261 g
- Film mass: 0.00442 g
- Polymer Film
- Pan and lid mass: 0.05213 g
- Film mass: 0.00471 g
<br.>
Differential Scanning Calorimetry Data
| PVA film in 2 ppm MG
|
|
| Onset of H2O evaporation |
99.59 °C
|
| Heat of hydrate decomposition |
830.4 J/g
|
| Major peaks in H2O (minima) |
101, 103, 134 °C
|
| Glass transition (avg) |
68.99 °C
|
<br.>
| PVA film in 8 ppm MG
|
|
| Onset of H2O evaporation |
100.91 °C
|
| Heat of hydrate decomposition |
1130 J/g
|
| Major peaks in H2O (minima) |
103.58, 107, 117, 120 °C
|
| Glass transition (avg, top) |
68.11 °C
|
| Glass transition (avg, first bottom) |
68.94 °C
|
| Glass transition (avg, second bottom) |
87.66 °C
|
<br.>
| PVA film in 80 ppm MG
|
|
| Onset of H2O evaporation |
99.82 °C
|
| Heat of hydrate decomposition |
1458 J/g
|
| Major peaks in H2O (minima) |
110, 117, 130 °C
|
| Glass transition (avg, top) |
68.17 °C
|
| Glass transition (avg, bottom) |
68.56 °C
|
<br.>
| PVA film in 200 ppm MG
|
|
| Onset of H2O evaporation |
99.77 °C
|
| Heat of hydrate decomposition |
938.2 J/g
|
| Major peaks in H2O (minima) |
125.54, 135, 106, 101 °C
|
| Glass transition (avg, top) |
68.36 °C
|
| Glass transition (avg, bottom) |
69.15 °C
|
<br.>
| PVA-Clay film in 2 ppm MG
|
|
| Onset of H2O evaporation |
100.51 °C
|
| Heat of hydrate decomposition |
1276 J/g
|
| Major peaks in H2O (minima) |
107, 109, 11, 125 °C
|
| Glass transition (avg, top) |
68.16 °C
|
| Glass transition (avg, bottom) |
68.70 °C
|
<br.>
| PVA-Clay film in 8 ppm MG
|
|
| Onset of H2O evaporation |
98.55 °C
|
| Heat of hydrate decomposition |
865.9 J/g
|
| Major peaks in H2O (minima) |
°C
|
| Glass transition (avg, top) |
°C
|
| Glass transition (avg, bottom) |
°C
|
FTIR: Total Attenuated Reflectance Measurements
|
CHEM 581: Experimental Chemistry
