Table 2. Particle Size and Viscosity of the WPUDs Synthesized at Various NCO Index Conditions

Formulation No.	PC-1.17-E	PC-1.25-E	PC-1.33-E	PC-1.50-E	PC-1.70-E
d ¯ n [nm]	201.8	N/A	137.5	44.3	29.0
FWHM [nm]	208.7	N/A	140.1	45.9	29.8
FWHM − d ¯ n d ¯ n	0.034	N/A	0.189	0.358	0.303
Viscosity [cP]	9,088	5,496	3,257	10	17
Solid content %	25.3	25.9	28.2	29.7	30.7

반치전폭 (FWHM, Full width at half maximum)