| 摘要 |
<p>PROBLEM TO BE SOLVED: To make a sheet excellent in pliability, properties for execution of work, heat-sealing properties, etc. SOLUTION: Inner and outer layers are constituted of a copolymer of ethylene and alpha-olefin which is obtained by using a metallocene catalyst and of which the density is 0.88-0.92g/cm<3> , the melt index 0.5-5 and Mw/Mn 1.5-5. An intermediate layer is the copolymer of the ethylene and theα-olefin which is obtained by using the metallocene catalyst and of which the density is 0.86g/cm<3> or above and less than 0.88g/cm<3> , the melt index 0.5-5 and the Mw/Mn 1.5-5, or an ethylene-vinyl acetate copolymer of which the content of vinyl acetate is 8-25wt.%.</p> |
