Effect of Polymerization Conditions on Thermal and Mechanical Properties of Ethylene/1-Butene Copolymer Made with Ziegler-Natta Catalysts

Table 1

Ethylene/1-butene copolymerization data (polymerization time: 30 min).

s/number	𝑃C2H4 (bar)	1-Butene fraction (mmol)	Poly.; temp. (°C)	𝑃H2 (bar)	MW (g/mol)	Mn (g/mol)	PDI (MWD)
1	5	71.3	60	1	162534	55472	2.93
2	5	71.3	60	2	149653	45765	3.27
3	5	71.3	60	3	123342	31871	3.87
4	5	71.3	80	1	132669	42117	3.15
5	5	71.3	80	2	119172	34442	3.46
6	5	71.3	80	3	107637	26775	4.02
7	5	142.6	60	1	144653	42978	3.53
8	5	142.6	60	2	130350	33337	3.91
9	5	142.6	60	3	121622	26967	4.51
10	5	142.6	80	1	129823	34163	3.80
11	5	142.6	80	2	101153	23800	4.25
12	5	142.6	80	3	91842	19335	4.75
13	10	71.3	60	1	176583	61254	2.88
14	10	71.3	60	2	159136	51734	3.08
15	10	71.3	60	3	131776	36043	3.66
16	10	71.3	80	1	141970	46828	3.03
17	10	71.3	80	2	123435	37772	3.27
18	10	71.3	80	3	112062	29464	3.80
19	10	142.6	60	1	156754	45182	3.47
20	10	142.6	60	2	142238	36729	3.87
21	10	142.6	60	3	126835	29251	4.34
22	10	142.6	80	1	135454	37635	3.60
23	10	142.6	80	2	116068	28714	4.04
24	10	142.6	80	3	96752	21543	4.49