| 摘要 |
A laminated film for wrapping use prepared by laminating one or both sides of a base layer composed of isotactic polybutene-1 homopolymer or copolymer with a film of propylene homopolymer or copolymer, with the base layer having a thickness of 50 % of that of the whole film, having excellent flexibility and punch hole strength and, in some cases, being oriented uniaxially. |
