User:Douglas M. Fox/Notebook/AU CHEM-581 F2012 Lab Support/2012/08/20

Project 1: Film Preparations

Main project page Previous entry      Next entry

PVOH Films Heated MA crosslinked films to 120°C for 90 min       Catalyst      Preheat Mass Dehydrated Mass       H2SO4      0.57274 g 0.45863 g       HCl      0.50695 g 0.41160 g       H2SO4      0.58886 g 0.53301 g Prepared dialdehyde crosslinked PVOH films Caution: Dialdehyde solutions and their vapors are highly toxic 0.500 g PVOH + 5 mL water (duplicate solutions) heated to 80°C for 30 min cooled after PVOH completely dissolved added 0.25 mL 8% glutaraldehyde (aq) to first solution (glutaraldehyde only needed about 20 min to thaw) added 0.05 mL 40% glyoxal (aq) to second solution air dried overnight