Effects of Prepolymerization, Temperature, and Hydrogen Concentration on Kinetics of Propylene Bulk Polymerization Using a Commercial Ziegler-Natta Catalyst

Table 3

PSD for polymer produced at varied prepolymerization time.

Fraction (w%)	Particle size (μm)
	Bulk density (g/cm^3)	2000	1000	500	355	250	180	71	<71
Run 13	0.36	41.05	54.6	3.46	0.18	0.06	0	0.63	0.02
Run 4	0.45	44.95	51.36	3.69	0	0	0	0	0
Run 14	0.45	39.33	54.14	5.25	0.54	0.22	0.04	0.38	0.1
Run 15	0.45	62.52	34.81	2.28	0.14	0.04	0.04	0.17	0