User:Klare Lazor/Notebook/Chem-496-001/2013/02/11: Difference between revisions
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* concluded to high of a molecular late the crystals were most likely pvoh recrystalizing | * concluded to high of a molecular late the crystals were most likely pvoh recrystalizing | ||
* will still attempt to crosslink and dsc on the flat areas of the films | * will still attempt to crosslink and dsc on the flat areas of the films | ||
* bubbles from the high molecular weight may have also lead to less mixing and crystal formation | |||
''' | '''Cross-linking PVOH (MW:146,000-186,000) Films With 0.7M HCl and neutralizing .6 Molar sodium bicarbonate''' | ||
*To high of a molecular weight will remake with with a lower molecular weight | *To high of a molecular weight will remake with with a lower molecular weight | ||
*MW: 22,000 will be used instead for this....higher molecular weight is to thick for this type of reaction with crosslinking with glutaraldehyde | *MW: 22,000 will be used instead for this....higher molecular weight is to thick for this type of reaction with crosslinking with glutaraldehyde | ||
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**.01%= 0.01 ml of stock | **.01%= 0.01 ml of stock | ||
** 10%= whatever ml left over will end up close to 10% will calculate after measuring how much stock is left over | ** 10%= whatever ml left over will end up close to 10% will calculate after measuring how much stock is left over | ||
==Data== | ==Data== |
Revision as of 12:16, 11 February 2013
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ObjectiveDescriptionFilm description from 7/8 Friday
Switching to lower molecular weight: PVOH (MW: 22,000) + phenol + glutaraldehyde + 30 ml of water
Data
NotesThis area is for any observations or conclusions that you would like to note.
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