PERMEABLE POLYMER FILMS Russian patent published in 2020 - IPC C08L23/12 

Abstract RU 2723167 C1

FIELD: packaging and storage; chemistry.

SUBSTANCE: invention relates to a polymer film which is suitable for packaging fresh food products. Multilayer film contains at least one main layer containing polypropylene composition, including: A) from 95 to 60 wt% of propylene homopolymer, having xylene-insoluble fraction at 25 °C, higher than 90 wt%; and B) from 5 to 40 wt% heterophase ethylene-propylene copolymer; where the sum of the amounts A) and B) is 100.

EFFECT: invention enables to obtain a film with high permeability of oxygen and water.

10 cl, 3 tbl

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RU 2 723 167 C1

Authors

Massari, Paola

Felisati, Andrea

Izzi, Marco

Bassi, Paolo

Cathelin, Caroline

Grazzi, Michele

Cavalieri, Claudio

Dates

2020-06-09Published

2018-08-30Filed