REINFORCED THIN FILM FOR FLEXIBLE PACKAGING

• Main Authors: KARANDINOS ANTHONY G, GATOS KONSTANTINOS G
• Format: Patent
• Language: English; Polish
• Published: 31.03.2017
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention provides a thermoplastic film comprising: a base film wherein the base film comprises a stretchable polyolefin material comprising one or more layers; and a plurality of extruded fibre elements; wherein the extruded fibre elements are located on at least one surface of the base film; wherein the extruded fibres form one or more protrusions relative to the plane of the base film; wherein at the location where the fibre elements are provided on the base film, a domain of a material mixture comprising the base film material and the fibre material is present between a domain of pure base film material and a domain of pure fibre material, and wherein the average thickness of the base film is less than the average thickness of the protrusion.