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

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(Autocreate 2013/03/01 Entry for User:Karlena_L._Brown/Notebook/PVOH_Research)
(PVOH Film Preparations)
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==PVOH Film Preparations==
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==Hydrogel Pressure Samples Tested 3==
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'''Prepared PVOH films in water:'''
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'''RECALL HYDROGEL PRESSURE TESTING PROTOCOL ON 2/20/13 & FLUORESCENCE ANALYSIS PROCEDURES ON 2/13/13'''  
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* In 10mL beaker, weigh out ~ 0.5 grams PVOH (MW 130,000)
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'''(Actual Mass = 0.4934g)'''
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* Then, using a graduated cylinder add ~ 3 mL H<sub>2</sub>O to the beaker
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* In another 10mL beaker, weigh out ~ 1.0 gram PVOH (MW 130,000)
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'''(Actual Mass = 0.9965g)'''
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* Then, using a graduated cylinder add ~ 5 mL H<sub>2</sub>O to the beaker
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'''Standard PVOH Film Protocol:'''
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{| {{table}}
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* 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.
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| align="center" style="background:#f0f0f0;"|'''Sample Order'''
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* On hot plate, stir and heat both beaker solutions at 70-80°C for ~ 12 min or until PVOH dissolves.
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| align="center" style="background:#f0f0f0;"|'''PVOH vs. Clay Ratio'''
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* 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.  
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| align="center" style="background:#f0f0f0;"|'''PVOH Type'''
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| align="center" style="background:#f0f0f0;"|'''Clay Selection'''
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'''Notes:'''
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| align="center" style="background:#f0f0f0;"|'''Amount of Hydrogel Used (g)'''
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* An additional 2-3 mL H<sub>2</sub>O was added to each solution to aid the dissolving of the PVOH
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|-
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* Heat was reduced when solutions began to boil too rapidly
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| 1||50:50||130K||110% CEC NaMT w/ DMHXLBR||0.1006
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* While transferring solutions to Teflon dishes, loss of sample within the small beakers (sample loss = incomplete sample transfer)
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|-
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| 2||50:50||130K||110% CEC NaMT w/ DMHXLBR||0.1022
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|-
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| 3||90:10||130K||Laponite||0.1031
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|-
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| 4||50:50||146K||110% CEC Laponite w/ DMHXLBR||0.1066
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|-
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| 5||90:10||130K||110% CEC Laponite w/ DMHXLBR||0.1083
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|-
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| 6||90:10||130K||110% CEC NaMT w/ DMHXLBR||0.1003
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|-
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| 7||50:50||130K||110% CEC Laponite w/ DMHXLBR||0.1036
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|-
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| 8||50:50||146K||Laponite||0.1016
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|-
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| 9||90:10||130K||110% CEC NaMT w/ DMHXLBR||0.1011
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|-
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| 10||90:10||146K||110% CEC NaMT w/ DMHXLBR||0.1020
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|-
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| 11||50:50||130K||NaMT||0.1024
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|-
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| 12||50:50||130K||50% CEC NaMT w/ Bu<sub>3</sub>HdP<sup>+</sup>||0.1015
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|-
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| 13||50:50||146K||110% CEC NaMT w/ DMHXLBR||0.0998
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|-
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| 14||90:10||130K||50% CEC NaMT w/ Bu<sub>3</sub>HdP<sup>+</sup>||0.1026
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|}

Revision as of 00:18, 5 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)
150:50130K110% CEC NaMT w/ DMHXLBR0.1006
250:50130K110% CEC NaMT w/ DMHXLBR0.1022
390:10130KLaponite0.1031
450:50146K110% CEC Laponite w/ DMHXLBR0.1066
590:10130K110% CEC Laponite w/ DMHXLBR0.1083
690:10130K110% CEC NaMT w/ DMHXLBR0.1003
750:50130K110% CEC Laponite w/ DMHXLBR0.1036
850:50146KLaponite0.1016
990:10130K110% CEC NaMT w/ DMHXLBR0.1011
1090:10146K110% CEC NaMT w/ DMHXLBR0.1020
1150:50130KNaMT0.1024
1250:50130K50% CEC NaMT w/ Bu3HdP+0.1015
1350:50146K110% CEC NaMT w/ DMHXLBR0.0998
1490:10130K50% CEC NaMT w/ Bu3HdP+0.1026



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