MULTILAYER FILMS SUITABLE FOR HOT SHAPING Russian patent published in 2010 - IPC B32B27/06 B32B27/08 B32B27/32 B32B27/34 

Abstract RU 2401201 C2

FIELD: chemistry.

SUBSTANCE: multilayer film consists of a bearing layer (T), an intermediate layer (Z), a joining layer (V) made from thermoplastic polyolefin, thermoplastic copolymer of olefin or their mixture. An adhesion layer (HV-1) then follows, made from an identical or different composition based on polyolefins and/or olefin copolymer and/or a polyamide layer (PA-1); a gas- and/or aromatic-impermeable barrier layer (B) made from at least one polymer selected from a group containing a copolymer of ethylene with vinyl alcohol, polyvinylidene chloride, vinylidene chloride copolymer, polyester and polyamide; a polyamide layer (PA-2) and/or an adhesion layer (HV-2) made from identical or different composition based on polyolefins and/or olefin copolymer and a heat-sealable layer (S) made from at least one polymer selected from a group which includes polyolefins and olefin copolymers and their mixture. Thickness of the barrier layer (B) is less than 2.0% of the total thickness of the film.

EFFECT: obtaining a film which is suitable for hot shaping and is used in packing food products.

16 cl, 8 ex, 5 tbl

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RU 2 401 201 C2

Authors

Fakler Tobias

Shvajttser Kristof

Bernig Val'Ter

Djuzharden Bernar

Dates

2010-10-10Published

2005-11-16Filed