Gas Barrier Film, Packaging Film, And Packaging Bag

Abstract: A gas barrier film comprising, in order: a substrate layer that includes a polypropylene resin; a vapor deposition layer that includes an inorganic oxide; and a gas barrier coating layer. The substrate layer comprises a first skin layer and a core layer. The vapor deposition layer is formed on the first skin layer side. As measured according to a nano-indentation method, the hardness of the first skin layer is 0.02-0.15 Gpa, the hardness of the core layer is 0.07 Gpa or greater, and the hardness of the core layer is greater than the hardness of the first skin layer.

Patent Information

Applicants

Inventors

Specification

Documents

Application Documents