User:Alicia Rasines Mazo/Notebook/CHEM-582 Experimental Chemistry II/2015/02/06

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Tasks for February 6

  • To synthesize new epoxy/TiO2 and epoxy films (2 of each)
  • To test for the swelling of epoxy/TiO2 film

Test for the swelling of epoxy/TiO2 films

  • The film made on January 30th was cut into pieces, weighed and measured for thickness, then placed in water for approx. 4.5 days.
  • Measurements were taken again on Feb. 11 for weight and thickness.
  • The values obtained are:
Section Initial thickness (mm) Initial weight (g) Final thickness (mm) Final weight (g) % difference in thickness % difference in weights
12,191,892982,441,9104011,415525110,920242158
21,921,742061,971,761542,6041666671,118216365
31,711,644071,771,663533,508771931,183647898



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