User:Douglas M. Fox/Notebook/AU CHEM-581 F2012 Lab Support/2012/08/21

Project 1: Film Preparations	Main project page Previous entry      Next entry
Crosslinking PVOH Preparation of crosslinking solution 50 mL water, 10 g Na2SO4, 1 mL H2SO4 (~40 drops) Stirred in 150 mL tall form beaker over medium heat to 70°C Crosslinlinking Protocol Place films in 70°C solution for 90 min; however Films still partially liquid Placed on warm hot plate (turned off) overnight