Development of Flexible Polyurethane Nanostructured Biocomposite Foams Derived from Palm Olein-Based Polyol

Figure 6

FTIR spectra of (a) neat petroleum PU foam and PU nanocomposite foams with (b) 3 wt% OMMT, (c) 5 wt% OMMT, and (d) 7 wt% OMMT.