Bound Fractions of Methacrylate Polymers Adsorbed on Silica
Using FTIR
Piyawan Krisanangkura, Alyssa M. Packard, Jacqueline Burgher and Frank D. Blum*
Supporting Information
Fits for all samples were made. This Supporting Information shows the spectra for the other
polymers used as a function of the adsorbed amount of polymer and also an example of a fit of
one of the spectra to a free and bound fraction in the carbonyl region.
PMMA
Figure A1. Carbonyl stretching region of the FTIR spectra for PMMA in bulk and on Cab-O-Sil
silica (left) as a function of the adsorbed amount of polymer and (right) an example of
one of the fits to free bound carbonyl resonances.
PEMA
Figure A2. Carbonyl stretching region of the FTIR spectra for PEMA in bulk and on Cab-O-Sil
silica (left) as a function of the adsorbed amount of polymer and (right) an example of
one of the fits to free bound carbonyl resonances. .
PnBMA
Figure A3. Carbonyl stretching region of the FTIR spectra for PnBMA in bulk and on Cab-OSil silica (left) as a function of the adsorbed amount of polymer and (right) an example of
one of the fits to free bound carbonyl resonances. .
PBenzylMA
Figure A4. Carbonyl stretching region of the FTIR spectra for PBenzylMA in bulk and on CabO-Sil silica (left) as a function of the adsorbed amount of polymer and (right) an example
of one of the fits to free bound carbonyl resonances. .