Research Article
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 |
(bar) | 1-Butene fraction (mmol) | Poly. temp. (°C) |
(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 |
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