Web-shaped or tubular packaging film, in particular a sausage ca

Details Web-shaped or tubular packaging film, in particular a sausage ca Web-shaped or tubular packaging film, in particular a sausage ca

1986-10-29

1988-05-03

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428510, 1381181, 426105, 426140, 427394, 4274122, F16L 1100, B05D 302, A22C 1300

Patent

active

047419385

ABSTRACT:
A web-shaped or tubular packaging film for use in food packaging applications, particularly as a sausage casing, is comprised of a carrier layer based on fiber-reinforced celulose and a closed thermoplastic, sealable resin coating based on copolymers containing vinylidene chloride (VDC) units. To improve the kink resistance, this resin coating is built up from at least two superposed layers, the first resin coating layer adjacent to the carrier layer being composed of a VDC copolymer forming flexible films and the outer, second resin coating layer being composed of a VDC copolymer forming rigid films. The web-shaped film is suitable for the production of tubular packaging casings, in particular sausage casings, with a longitudinal seam.

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