| 摘要 |
PURPOSE:To obtain a heat-shrinkable cylinder made of a film which covers a material to be packaged such as a bottle and is thermally shrunk to package it and good in heat sealing properties and free from generation of odor at a time of sealing and excellently adheres to the material to be packaged and is free from a strain in the printed pattern of the film and used for a packaged body having excellent appearance. CONSTITUTION:A film constituted of a terpolymer of propylene, ethylene and alpha-olefine (alpha-olefine has 4-10C, ethylene to the whole copolymerized component is 0.2-10wt.%, alpha-olefine is 1.5-25wt.% and melt index at 230 deg.C is 0.5-15) is used and formed into a cylindrical shape. In this film, the degree of thermal shrinkage (degree of dry heat shrinkage at 120 deg.C for 5min) in the lateral direction is regulated to two times or more for the degree of heat shrinkage in the longitudinal direction. The longitudinal direction is set in the axial direction of the cylinder. |
