Skip to main content
. Author manuscript; available in PMC: 2014 Aug 1.
Published in final edited form as: Dent Mater. 2013 Jun 14;29(8):10.1016/j.dental.2013.05.005. doi: 10.1016/j.dental.2013.05.005

Figure 2.

Figure 2

FTIR spectra of reactants and products for: (A) DMAHM, and (B) DMADDM. The characterization using FTIR indicated that the Menschutkin reaction was successful. The infrared spectroscopy showed the disappearance of C-Br and tertiary amine groups, and the appearance of quaternary ammonium group that resulted from the reaction. In each plot, the appearance of the NR4+ peak in the last curve corresponded to the formation of the quaternary ammonium group.