Multi-layer films having uniform content

Details Multi-layer films having uniform content Multi-layer films having uniform content

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) B32B 23/08 (2006.01)

Patent

CA 2581851

The present invention relates to edible multi-layer films (10) that dissolve in water. In particular, the edible multi-layer films (10) have a first water- soluble film layer (100) and one or more additional water-soluble film layers (200) in at least partial face-to-face engagement with the first film layer (100). The film layers (100,200) include a polymer composition which contains polyethylene oxide alone or in combination with at least one water-soluble polymer. The edible multi-layer films (10) may include pockets defined between the layers (100,200) that house an active component. Upon addition of water, the multi-layer film (10) dissolves, thereby releasing the active component into the water.

L'invention concerne des films multicouches comestibles (10) se dissolvant dans l'eau. Elle concerne en particulier des films multicouches comestibles (10) présentant une première couche de film hydrosoluble (100) et une ou plusieurs couches de film supplémentaires hydrosolubles (200) en liaison face à face, au moins partiellement, avec la première couche de film (100). Les couches de films (100, 200) comprennent une composition polymère contenant un oxyde de polyéthylène seul ou en combinaison avec au moins un polymère hydrosoluble. Les films multicouches comestibles (10) peuvent comprendre des poches définies entre les couches (100, 200) servant à loger un composant actif. Par addition d'eau, le film multicouche (10) se dissout, libérant ainsi le composant actif dans l'eau.

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