Research Article

Bio-Based Polyols from Seed Oils for Water-Blown Rigid Polyurethane Foam Preparation

Figure 2

The positive ion ESI-MS spectra of synthesized seed oil-based polyols scanned at 70–1000 m/z: (a) sesame seed oil-based polyol and (b) pumpkin seed oil-based polyol, respectively.
(a)
(b)