抄録
In relation to the performance requirements for packaging materials, there are times when new performance requirements are seriously needed to reflect the present social background. For example, in recent years, these performance requirements for packaging materials have included "concerns for the global environment and human," in addition to the traditional requirements. Against this background, high-performance, high-value-added products are constantly being developed, including packaging films. In this case, a packaging film was recently described as part of an overview of barrier films and environmental films as well as cutting property of enhancement films.