MULTI-LAYERED FILM AND RESIN COMPOSITION FOR MULTI-LAYERED FILM

摘要

PURPOSE: Provided are a multi-layered film which has properties required for a medical injection container, such as thermal resistance, transparency, softness and formability and a resin composition for multi-layered film. CONSTITUTION: The multi-layered film has an outer layer, a middle layer and an inner layer. The outer layer comprises 50 to 100 weight parts of propylene homopolymer or an alpha-olefin copolymer of propylene and a blend thereof, and 1 to 50 weight parts of terpolymer of styrene-ethylene-butylene-styrene. The middle layer comprises 30 to 80 weight parts of alpha-olefin copolymer of propylene and 20 to 70 weight parts of terpolymer of styrene-ethylene-butylene-styrene. The inner layer comprises 50 to 100 weight parts of alpha-olefin copolymer of propylene and 50 to 100 weight parts of terpolymer of styrene-ethylene-butylene-styrene.