Multi-layer stretch film

Details Multi-layer stretch film Multi-layer stretch film

B - Operations, Transporting

32

B

B32B 25/00 (2006.01) B65D 75/00 (2006.01)

Patent

CA 2313472

A stretch film heat-sealable to polystyrene-based material comprising a first outer heat-sealing layer, a second outer layer and at least an intermediate layer, comprising in the first outer heat sealing layer a TPFE-S such as a styrene-butadiene-styrene block terpolymer (SBS) or a hydrogenated derivative thereof. Also described are packages made with the new stretch film.

L'invention concerne un film étirable, pouvant être scellé à chaud à un matériau à base de polystyrène. Ce film comprend une première couche extérieure scellable à chaud, une seconde couche extérieure, et au moins une couche intermédiaire, la première couche extérieure scellable à chaud renfermant un élastomère thermoplastique tel qu'un terpolymère bloc de styrène-butadiène-styrène (SBS), ou un dérivé hydrogéné de celui-ci. L'invention concerne également des emballages fabriqués à l'aide de ce nouveau film étirable.

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