MULTILAYER FILM Russian patent published in 2021 - IPC B32B27/18 

Abstract RU 2752589 C2

FIELD: packaging.

SUBSTANCE: invention relates to biaxially oriented polypropylene film (BOPP) having a thickness of 10 to 120 mcm suitable for producing containers, flexible packages, laminated products and labels. The film is produced by means of co-extrusion through flat-late extrusion head and sequential stretching in machine direction (MD) and transverse direction (T) respectively.

EFFECT: invention allows producing films having improved barrier properties against oxygen transmission and wettability.

16 cl, 6 dwg, 1 tbl

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RU 2 752 589 C2

Authors

Garzitto Valerio

Piasente Francesca

Dates

2021-07-29Published

2017-05-23Filed