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|style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Biomaterials Design Lab</span>
|style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Biomaterials Design Lab</span>
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==Objective==
==Objective==
Continued the synthesis of polymer and polymer-clay films. Begin the preparation of ionic liquid modified clays.
*Continued the synthesis of polymer and polymer-clay films.  
*Begin the preparation of ionic liquid modified clays.


==Description==
==Description==
# completing the synthesis
# Completing the Synthesis
## the procedure for completing the synthesis of films may be viewed [[User:Jacob_Esenther/Notebook/581/2014/08/29|here]].
## the procedure for completing the synthesis of films may be viewed [[User:Jacob_Esenther/Notebook/581/2014/08/29|here]].
# preparation of ionic liquid modified clays
# preparation of ionic liquid modified clays
## We are going to exchange the sodium in the sodium montmorillonite for an organic cation. The procedures are taken from these two sources ([http://www.scirp.org/journal/PaperInformation.aspx?PaperID=17245#.VA5V9Et5_zY 1], [http://www.clays.org/journal/archive/volume%2010/10-1-153.pdf 2] along with Karlena Brown's thesis. We are working from the starting point that there are 92 miliequivalents (meq) of Na+ per 100g of montmorillonite.  
## We are going to exchange the sodium in the sodium montmorillonite for an organic cation. The procedures are taken from these two sources ([http://www.scirp.org/journal/PaperInformation.aspx?PaperID=17245#.VA5V9Et5_zY 1], [http://www.clays.org/journal/archive/volume%2010/10-1-153.pdf 2] along with Karlena Brown's thesis. We are working from the starting point that there are 92 miliequivalents (meq) of Na+ per 100g of montmorillonite.  
 
## The original film preparation protocol was followed
## Add 1.1g of Sodium Montmorillonite (NaMT) to a scintillation vial containing 20mL of 50:50 HPLC grade water:ethanol.  
## Began organic cation exchange following [[User:Matt_Hartings/Notebook/AU_Biomaterials_Design_Lab/2014/09/10| Dr. Harting's procedure]]
## Determine the amount of cation to add if using either [http://www.sigmaaldrich.com/catalog/product/aldrich/276200?lang=en&region=US tributylhexadecylphosphonium bromide]] to exchange 100% of the Na from the clay.
### 1.1046 g of Sodium Montmorillonite was added to a vial
## Add this amount of phosphonium ion to the clay solution.
### Assuming 92 meq of Na per 100 g, the total eq was 10.16232E-04
## Cap the vial
### Added 0.5251 g tributylhexadecylphosphonium bromide (MW=507.65) to the vial
## Stir for 1 week.
### Added 10 mL of HPLC water and 10 mL ethanol
## Vacuum filter using 0.2uM nylon filter paper
### capped the vial and set to stir for one week
## Dry in oven at 90C overnight
## Finished compiling and sorting through data (UV-VIS, FTIR) from last week
## Grind with a mortar and pestle.  
## There was not enough time to retrieve the DSC data, so this will be completed on Friday
## Store in a dessicator
#Prepared Film Samples for Powder X-Ray Diffraction
#review graphing techniques and compare data
## Incised a PVA-clay film with the size of the scintillating vial lid.  
# Here's an excellent paper on [http://pubs.acs.org/doi/pdf/10.1021/jz500997e good graphing procedures].
## The film was suspended in 10 mL of 2ppm MG solution contained in a scintillating vial. The MG solution for this sample was prepared from the stock solution prepared on [[User:James C. Schwabacher/Notebook/CHEM-571/2014/08/29|August 29, 2014.]]
 
## The sample will be analyzed for the following lab meeting on September 12, 2014.
==Data==
* Add


==Notes==
==Notes==
This area is for any observations or conclusions that you would like to note.
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.


*review graphing techniques and compare data
** Here's an excellent paper on [http://pubs.acs.org/doi/pdf/10.1021/jz500997e good graphing procedures].
[[Category:Course]]
[[Category:Course]]
[[Category:Miscellaneous]]
[[Category:Miscellaneous]]

Latest revision as of 00:16, 27 September 2017

Biomaterials Design Lab Main project page
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Objective

  • Continued the synthesis of polymer and polymer-clay films.
  • Begin the preparation of ionic liquid modified clays.

Description

  1. Completing the Synthesis
    1. the procedure for completing the synthesis of films may be viewed here.
  2. preparation of ionic liquid modified clays
    1. We are going to exchange the sodium in the sodium montmorillonite for an organic cation. The procedures are taken from these two sources (1, 2 along with Karlena Brown's thesis. We are working from the starting point that there are 92 miliequivalents (meq) of Na+ per 100g of montmorillonite.
    2. The original film preparation protocol was followed
    3. Began organic cation exchange following Dr. Harting's procedure
      1. 1.1046 g of Sodium Montmorillonite was added to a vial
      2. Assuming 92 meq of Na per 100 g, the total eq was 10.16232E-04
      3. Added 0.5251 g tributylhexadecylphosphonium bromide (MW=507.65) to the vial
      4. Added 10 mL of HPLC water and 10 mL ethanol
      5. capped the vial and set to stir for one week
    4. Finished compiling and sorting through data (UV-VIS, FTIR) from last week
    5. There was not enough time to retrieve the DSC data, so this will be completed on Friday
  3. Prepared Film Samples for Powder X-Ray Diffraction
    1. Incised a PVA-clay film with the size of the scintillating vial lid.
    2. The film was suspended in 10 mL of 2ppm MG solution contained in a scintillating vial. The MG solution for this sample was prepared from the stock solution prepared on August 29, 2014.
    3. The sample will be analyzed for the following lab meeting on September 12, 2014.

Notes




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