User:Karlena L. Brown/Notebook/PVOH Research/2013/03/01: Difference between revisions

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(Autocreate 2013/03/01 Entry for User:Karlena_L._Brown/Notebook/PVOH_Research)
 
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==PVOH Film Preparations==
==Hydrogel Pressure Samples Tested 3==
'''Prepared PVOH films in water:'''
'''RECALL HYDROGEL PRESSURE TESTING PROTOCOL ON 2/20/13 & FLUORESCENCE ANALYSIS PROCEDURES ON 2/13/13'''  
* In 10mL beaker, weigh out ~ 0.5 grams PVOH (MW 130,000)
'''(Actual Mass = 0.4934g)'''
* Then, using a graduated cylinder add ~ 3 mL H<sub>2</sub>O to the beaker
* In another 10mL beaker, weigh out ~ 1.0 gram PVOH (MW 130,000)
'''(Actual Mass = 0.9965g)'''
* Then, using a graduated cylinder add ~ 5 mL H<sub>2</sub>O to the beaker


'''Standard PVOH Film Protocol:'''
{| {{table}}
* After adding and combining PVOH (MW 130,000) in small beakers with H<sub>2</sub>O, add stir bars and prepare to stir solution.
| align="center" style="background:#f0f0f0;"|'''Sample Order'''
* On hot plate, stir and heat both beaker solutions at 70-80°C for ~ 12 min or until PVOH dissolves.
| align="center" style="background:#f0f0f0;"|'''PVOH vs. Clay Ratio'''
* Once PVOH solids thoroughly dissolve in solution, pour each solution in a Teflon dish to sit, cool, and dry in a fume hood for ~ 1 day.  
| align="center" style="background:#f0f0f0;"|'''PVOH Type'''
 
| align="center" style="background:#f0f0f0;"|'''Clay Selection'''
'''Notes:'''
| align="center" style="background:#f0f0f0;"|'''Amount of Hydrogel Used (g)'''
* An additional 2-3 mL H<sub>2</sub>O was added to each solution to aid the dissolving of the PVOH
|-
* Heat was reduced when solutions began to boil too rapidly
| 1||50:50||130K||110% CEC NaMT w/ DMHXLBR||0.1006
* While transferring solutions to Teflon dishes, loss of sample within the small beakers (sample loss = incomplete sample transfer)
|-
| 2||50:50||130K||110% CEC NaMT w/ DMHXLBR||0.1022
|-
| 3||90:10||130K||Laponite||0.1031
|-
| 4||50:50||146K||110% CEC Laponite w/ DMHXLBR||0.1066
|-
| 5||90:10||130K||110% CEC Laponite w/ DMHXLBR||0.1083
|-
| 6||90:10||130K||110% CEC NaMT w/ DMHXLBR||0.1003
|-
| 7||50:50||130K||110% CEC Laponite w/ DMHXLBR||0.1036
|-
| 8||50:50||146K||Laponite||0.1016
|-
| 9||90:10||130K||110% CEC NaMT w/ DMHXLBR||0.1011
|-
| 10||90:10||146K||110% CEC NaMT w/ DMHXLBR||0.1020
|-
| 11||50:50||130K||NaMT||0.1024
|-
| 12||50:50||130K||50% CEC NaMT w/ Bu<sub>3</sub>HdP<sup>+</sup>||0.1015
|-
| 13||50:50||146K||110% CEC NaMT w/ DMHXLBR||0.0998
|-
| 14||90:10||130K||50% CEC NaMT w/ Bu<sub>3</sub>HdP<sup>+</sup>||0.1026
|}




Revision as of 21:18, 4 March 2013

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Hydrogel Pressure Samples Tested 3

RECALL HYDROGEL PRESSURE TESTING PROTOCOL ON 2/20/13 & FLUORESCENCE ANALYSIS PROCEDURES ON 2/13/13

Sample Order PVOH vs. Clay Ratio PVOH Type Clay Selection Amount of Hydrogel Used (g)
1 50:50 130K 110% CEC NaMT w/ DMHXLBR 0.1006
2 50:50 130K 110% CEC NaMT w/ DMHXLBR 0.1022
3 90:10 130K Laponite 0.1031
4 50:50 146K 110% CEC Laponite w/ DMHXLBR 0.1066
5 90:10 130K 110% CEC Laponite w/ DMHXLBR 0.1083
6 90:10 130K 110% CEC NaMT w/ DMHXLBR 0.1003
7 50:50 130K 110% CEC Laponite w/ DMHXLBR 0.1036
8 50:50 146K Laponite 0.1016
9 90:10 130K 110% CEC NaMT w/ DMHXLBR 0.1011
10 90:10 146K 110% CEC NaMT w/ DMHXLBR 0.1020
11 50:50 130K NaMT 0.1024
12 50:50 130K 50% CEC NaMT w/ Bu3HdP+ 0.1015
13 50:50 146K 110% CEC NaMT w/ DMHXLBR 0.0998
14 90:10 130K 50% CEC NaMT w/ Bu3HdP+ 0.1026



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