TY - JOUR
T1 - High pressure polymerization of ethylene and rheological behavior of polyethylene product
AU - Kalyon, Dilhan M.
AU - Chiou, Yeong‐Ning ‐N
AU - Kovenklioglu, Suphan
AU - Bouaffar, Ali
PY - 1994/5
Y1 - 1994/5
N2 - A mathematical model of the high pressure polymerization of ethylene in tubular reactors was tested with experimental data obtained from an industrial size tubular reactor. Series of experiments involving changes in operating conditions were carried out, and process data and polyethylene samples were collected. The collected samples were characterized for their molecular weight distributions and various rheological material functions involving shear and extensional flows. The findings of the model were compared against the generated process data and the molecular weight distributions of the samples. The determined rheological behavior exhibited strong dependence on the primary characteristics of the resins. Overall, this study should introduce a better understanding of the interactions between high pressure reaction conditions and the primary properties of polyethylene, including moments of molecular weight distribution and extent of branching on one hand and the interrelationships between primary properties and the rheological behavior of the high pressure polyethylene product on the other hand.
AB - A mathematical model of the high pressure polymerization of ethylene in tubular reactors was tested with experimental data obtained from an industrial size tubular reactor. Series of experiments involving changes in operating conditions were carried out, and process data and polyethylene samples were collected. The collected samples were characterized for their molecular weight distributions and various rheological material functions involving shear and extensional flows. The findings of the model were compared against the generated process data and the molecular weight distributions of the samples. The determined rheological behavior exhibited strong dependence on the primary characteristics of the resins. Overall, this study should introduce a better understanding of the interactions between high pressure reaction conditions and the primary properties of polyethylene, including moments of molecular weight distribution and extent of branching on one hand and the interrelationships between primary properties and the rheological behavior of the high pressure polyethylene product on the other hand.
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U2 - 10.1002/pen.760341005
DO - 10.1002/pen.760341005
M3 - Article
AN - SCOPUS:0028436677
SN - 0032-3888
VL - 34
SP - 804
EP - 814
JO - Polymer Engineering and Science
JF - Polymer Engineering and Science
IS - 10
ER -