User:Karlena L. Brown/Notebook/PVOH Research/2013/04/12

From OpenWetWare

(Difference between revisions)
Jump to: navigation, search
(Autocreate 2013/04/12 Entry for User:Karlena_L._Brown/Notebook/PVOH_Research)
(PVOH Film Preparations)
Line 6: Line 6:
| colspan="2"|
| colspan="2"|
<!-- ##### DO NOT edit above this line unless you know what you are doing. ##### -->
<!-- ##### DO NOT edit above this line unless you know what you are doing. ##### -->
-
==PVOH Film Preparations==
+
==PVOH Film Preparations 2==
-
'''Prepared PVOH films in water:'''
+
'''RECALL FILM MAKING PROTOCOL ON 9/02/12'''
-
* 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;"|'''PVOH vs. Clay Ratio'''
-
* 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;"|'''Clay Selection'''
-
* 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 146K Mass (g)'''
-
 
+
| align="center" style="background:#f0f0f0;"|'''Actual Clay Mass (g)'''
-
'''Notes:'''
+
| align="center" style="background:#f0f0f0;"|'''H<sub>2</sub>O Added (mL)'''
-
* 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
+
| 50:50||NaMT||0.26260||0.24770||8.0
-
* While transferring solutions to Teflon dishes, loss of sample within the small beakers (sample loss = incomplete sample transfer)
+
|-
 +
| 90:10||NaMT||0.40100||0.12140||8.0
 +
|-
 +
| 50:50||Laponite||0.24750||0.24580||8.0
 +
|-
 +
| 90:10||Laponite||0.40580||0.10910||8.0
 +
|-
 +
| 90:10||110% CEC Laponite w/ DMHXLBR||0.25080||0.24850||8.0
 +
|-
 +
| 50:50||110% CEC Laponite w/ DMHXLBR||0.39820||0.10840||8.0
 +
|}
 +
==Notes==
<!-- ##### DO NOT edit below this line unless you know what you are doing. ##### -->
<!-- ##### DO NOT edit below this line unless you know what you are doing. ##### -->

Revision as of 00:33, 15 April 2013

PVOH Research Main project page
Previous entry      Next entry

PVOH Film Preparations 2

RECALL FILM MAKING PROTOCOL ON 9/02/12

PVOH vs. Clay Ratio Clay Selection PVOH 146K Mass (g) Actual Clay Mass (g) H2O Added (mL)
50:50NaMT0.262600.247708.0
90:10NaMT0.401000.121408.0
50:50Laponite0.247500.245808.0
90:10Laponite0.405800.109108.0
90:10110% CEC Laponite w/ DMHXLBR0.250800.248508.0
50:50110% CEC Laponite w/ DMHXLBR0.398200.108408.0

Notes


Personal tools