| 摘要 |
PURPOSE:To obtain a stretched film and a wrapping film proper for packaging food. CONSTITUTION:A laminated film composed of at least three layers is stretched two to four and a half times in the take-up direction. An external layer and an internal layer consist of a composition layer composed of (A) 100 pts.wt. polypropylene (B) 3-30 pts.wt. polybutene and (C) 0.2-5 pts.wt. monolauryl glycerin. An intermediate layer is made up of nylon. The film has excellent cutting properties, transparency, heat resistance, tackiness, steam barrier properties and non-heat shrinkability. |
