| 摘要 |
<p>A microporous polyethylene film which comprises a mixture comprising a high-density ethylene copolymer which has a melt index (MI) of 0.1 to 100 and in which the content of C3 or higher alpha-olefin units is 0.1 to 1 mol% and high-density polyethylene at least having a viscosity- average molecular weight (Mv) of 500,000 to 5,000,000, wherein the mixture has an Mv of 300,000 to 4,000,000 and a content of C3 or higher alpha-olefin units of 0.01 to 1 mol%.</p> |
