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

Table 4

Selected TEM images of cationic waterborne polyurethanes (CWPUs) with various internal emulsifier contents.

Formula
CWPU-1		Particle size:
CWPU-2		Particle size:
CWPU-3		Particle size: