POLYAMIDE-BASED MULTILAYER SEAMLESS CASING FOR THERMAL TREATMENT IN MOULD Russian patent published in 2012 - IPC B32B27/32

Abstract RU 2454329 C2

FIELD: process engineering.

SUBSTANCE: invention relates to hollow biaxially-stretched film and its application as casing for pasty or fluid products, e.g. sausages. Proposed film comprises layers A, B, C and D arranged from outer side to inner side. Polyolefin-based layer A features thickness of 1-15 mcm. Layer B, multilayer if required, comprises aliphatic and/or partially aromatic polyamides, and/or copolyamides or mixes thereof, and features thickness of 3-30 mcm. Polyolefin-based layer C features thickness of 1-15 mcm. Layer D comprises aliphatic and/or partially aromatic polyamides, and/or copolyamides or mixes thereof, or polyolefin-based layer, and features thickness of 3-20 mcm.

EFFECT: improved properties.

25 cl, 3 tbl, 5 ex

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RU 2 454 329 C2

Authors

Oblotski Jerg

Khentse-Vetkamp Genrikh

Tamke Khejko

Dates

2012-06-27—Published

2007-09-24—Filed