User:Allison K. Alix/Notebook/CHEM-581/2012/09/14: Difference between revisions
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==Description== | ==Description== | ||
0.1g of polyvinyl alochol film (0.5 g in 6mL H2O) treated with gluteraldehyde was placed in a solution containing 100mL water, 2mL HCl, and 20g Na2SO4 @ 70 degrees celsius. The sodium sulfate is added to decrease solubility of the polymer during the acetalization reaction. The polymer film was immersed in solution with stirring for 1 hour. | 0.1g of polyvinyl alochol film (0.5 g in 6mL H2O) treated with gluteraldehyde was placed in a solution containing 100mL water, 2mL HCl, and 20g Na2SO4 @ 70 degrees celsius. The sodium sulfate is added to decrease solubility of the polymer during the acetalization reaction. The polymer film was immersed in solution with stirring for 1 hour. The film was then rinsed with water and immersed in a 1% HCl solution @ 70 degrees celsius for 1/2 hour. | ||
==Data== | ==Data== | ||
Revision as of 11:39, 14 September 2012
 Experimental Chemistry
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ObjectiveIn Situ cross-linking of polyvinyl alcohol films Description0.1g of polyvinyl alochol film (0.5 g in 6mL H2O) treated with gluteraldehyde was placed in a solution containing 100mL water, 2mL HCl, and 20g Na2SO4 @ 70 degrees celsius. The sodium sulfate is added to decrease solubility of the polymer during the acetalization reaction. The polymer film was immersed in solution with stirring for 1 hour. The film was then rinsed with water and immersed in a 1% HCl solution @ 70 degrees celsius for 1/2 hour. Data
NotesSee NASA Technical Paper 1407
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