Correlation of Polymerization Conditions with Thermal and Mechanical Properties of Polyethylenes Made with Ziegler-Natta Catalysts

Table 1

Ethylene polymerization using Ziegler-Natta catalyst.

S/no.	Polymerization					Results
	Catalyst			Temp.	Time	Yield	Activity	Mn	Mw	PDI
	(mg)	(atm)	(atm)	(°C)	(hour)	(g)	(kg PE/G cat·h)	(kg/mol)	(kg/mol)	Mw/Mn
1	3.0	5	0	60	0.5	9.0	8.3	88	325	3.69
2	3.1	5	0	60	1	20.1	6.5	83	340	4.10
3	3.4	5	0	80	0.5	8.3	4.9	78	310	3.97
4	3.4	5	0	80	1	9.6	2.8	80	317	3.96
5	2.9	5	2	60	0.5	8.1	6.6	30	111	3.70
6	3.0	5	2	60	1	17.4	5.8	25	112	4.48
7	3.0	5	2	80	0.5	4.8	3.2	19	89	4.68
8	3.0	5	2	80	1	7.8	2.6	23	102	4.43
9	3.0	5	5	60	0.5	4.9	3.3	19	103	5.42
10	3.0	5	5	60	1	7.7	2.6	14	92	6.57
11	3.3	5	5	80	0.5	3.1	1.9	10	57	5.70
12	3.0	5	5	80	1	3.5	1.0	12	66	5.50
13	3.4	10	0	60	0.5	38.5	22.6	167	662	3.96
14	3.5	10	0	60	1	45.8	13.1	158	655	4.15
15	3.3	10	0	80	0.5	26.5	16.1	162	617	3.81
16	3.1	10	0	80	1	28.5	9.2	154	625	4.06
17	3.3	10	2	60	0.5	23.9	14.5	35	176	5.03
18	3.3	10	2	60	1	43.6	13.2	30	161	5.37
19	3.1	10	2	80	0.5	22.9	14.8	25	127	5.08
20	3.2	10	2	80	1	39.1	12.2	68	267	3.93
21	3.0	10	5	60	0.5	20.2	13.5	40	226	5.65
22	3.2	10	5	60	1	32.1	10.3	49	239	4.88
23	3.0	10	5	80	0.5	15.4	10.3	39	169	4.33
24	3.2	10	5	80	1	25.1	7.8	41	178	4.34