Barrier films and methods for making and using the same

• Main Authors: Nieto, Jesus, Domenech, Angels, Manrique, Antonio
• Format: Patent
• Language: English; French; German
• Published: 27.05.2020
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; UNPACKING

The present invention relates to a multilayer film comprising: an inner layer located between a first outer layer and a second outer layer, the inner layer comprising a component selected from the group consisting of high density polyethylene, propylene homopolymer, propylene/±-olefin interpolymer, and combinations thereof; the first outer layer and the second outer layer being the same or different, each outer layer comprising a component selected from the group consisting of a linear low density polyethylene, a high density polyethylene, a propylene/±-olefin interpolymer, and combinations thereof, wherein a thickness of at least one outer layer is greater than the thickness of the inner layer, the multilayer film having a thickness from about 1 micron to about 100 microns, the multilayer film having an oxygen transmission rate less than about 10,800 cc/m 2 /24hr as measured in accordance with ASTM D 3985-05.