| 摘要 |
An ethylene-alpha-olefin copolymer containing monomer units derived from ethylene and monomer units derived from an alpha-olefin having 4 to 20 carbon atoms, and having a density of 890 to 970 kg/m<SUP>3</SUP>, an activation energy of flow of 50 kJ/mol or more, a molecular weight distribution of 3 or more determined by a gel permeation chromatography, and the number of inflection points of 3 or less on a melting curve obtained by a differential scanning calorimetry within a temperatures range of from 25° C. to an end point of melting.
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