Multiple layer film with amorphous polyamide layer

A multilayer film comprising:

• a) a core layer comprising an amorphous polyamide adhesive;
• b) two intermediate layers, disposed on opposite surfaces of the core layer, consisting essentially of an amorphous polyamide;
• c) two adhesive layers, each disposed on a surface of the respective intermediate layer, comprising a polymeric adhesive;
• and
• d) two outer layers, each disposed on a surface of the respective adhesive layer, comprising a material selected from the group consisting of amorphous polyamide, semicrystalline polyamide, ethylene/alpha olefin copolymer, propylene homopolymer, and propylene/alpha olefin copolymer.

A method of packaging a food product comprising:

• a) providing a rollstock film, the film comprising
• i) a core layer consisting essentially of an amorphous polyamide;
• ii) two intermediate layers, disposed on opposite surfaces of the core layer, comprising a semicrystalline polyamide;
• iii) two adhesive layers, each disposed on a surface of the respective intermediate layer, comprising a polymeric adhesive;
• and
• iv) two outer layers, each disposed on a surface of a respective adhesive layer, comprising a material selected from the group consisting of amorphous polyamide, semicrystalline polyamide, ethylene/alpha olefin copolymer, propylene homopolymer, and propylene/alpha olefin copolymer;
• b) forming the film into a tube in a vertical/form/fill/seal process;
• c) filling the tube with a food product;
• and
• d) closing the tube to form a sealed pouch containing the food product.

A package comprises:

• a) a flowable food product;
• and
• b) a pouch containing the food product, the pouch made from a film comprising
• i) a core layer consisting essentially of an amorphous polyamide;
• ii) two intermediate layers, disposed on opposite surfaces of the core layer, comprising a semicrystalline polyamide;
• iii) two adhesive layers, each disposed on a surface of the respective intermediate layer, comprising a polymeric adhesive;
• and
• iv) two outer layers, each disposed on a surface of a respective adhesive layer, comprising a material selected from the group consisting of amorphous polyamide, semicrystalline polyamide, ethylene/alpha olefin copolymer, propylene homopolymer, and propylene/alpha olefin copolymer.

A method of packaging a food product comprising:

• a) providing a rollstock film, the film comprising
• i) a core layer comprising a polymeric adhesive;
• ii) two intermediate layers, disposed on opposite surfaces of the core layer, consisting essentially of an amorphous polyamide;
• iii) two adhesive layers, each disposed on a surface of the respective intermediate layer, comprising a polymeric adhesive;
• and
• iv) two outer layers, each disposed on a surface of the respective adhesive layer, comprising a material selected from the group consisting of amorphous polyamide, semicrystalline polyamide, ethylene/alpha olefin copolymer, propylene homopolymer, and propylene/alpha olefin copolymer;
• b) forming the film into a tube in a vertical/form/fill/seal process;
• c) filling the tube with a food product;
• and
• d) closing the tube to form a sealed pouch containing the food product.

A package comprises:

• a) a flowable food product;
• and
• b) a pouch containing the food product, the pouch made from a film comprising
• i) a core layer comprising a polymeric adhesive;
• ii) two intermediate layers, disposed on opposite surfaces of the core layer, consisting essentially of an amorphous polyamide;
• iii) two adhesive layers, each disposed on a surface of the respective intermediate layer, comprising a polymeric adhesive;
• and
• iv) two outer layers, each disposed on a surface of the respective adhesive layer, comprising a material selected from the group consisting of amorphous polyamide, semicrystalline polyamide, ethylene/alpha olefin copolymer, propylene homopolymer, and propylene/alpha olefin copolymer.