EASY TEARING FILM AND PRODUCTION THEREOF

摘要

PURPOSE:To obtain an easy tearing film excellent in easy tearing properties and linear cutting properties and also having sufficient impact strength. CONSTITUTION:A first layer consisting of 40-85 pts.wt. of nylon 6 (Ny 6) and 15-60 pts.wt. of m-xylyleneadipamide (MXD 6) (Ny 6 + MXD 6 = 100 pts.wt.) and a second layer composed of a saponified ethylene/vinyl acetate copolymer (EVOH) are extruded from a multilayered die in a ratio of 2:1-1:2 in a molten state to form a raw film 11 and, after cooling, the raw film 11 is stretched by 2.8 times or more in both of the moving direction (MD direction) and traverse direction (TD direction) thereof to obtain an easy tearing film 18.