Synthesis of Cationic Waterborne Polyurethanes from Waste Frying Oil as Antibacterial Film Coatings

<div><sup>1</sup>H-NMR spectra of cationic waterborne polyurethanes (CWPUs) with various internal emulsifier contents.</div>

International Journal of Polymer Science

Figure 4: Synthesis of Cationic Waterborne Polyurethanes from Waste Frying Oil as Antibacterial Film Coatings 