Multilayer packaging for greasy products

Details Multilayer packaging for greasy products Multilayer packaging for greasy products

B - Operations, Transporting

32

B

B32B 29/06 (2006.01) B32B 9/04 (2006.01) B65D 65/42 (2006.01) C09D 103/08 (2006.01) D21H 19/14 (2006.01) D21H 19/54 (2006.01)

Patent

CA 2414874

The invention relates to a multilayered packaging for greasy products or part of said packaging, comprising a carrier layer made of a polymer material as main component and at least one layer placed on said carrier layer that does not form the outer side of the packaging, said layer containing a starch derivative as main component. The invention is characterized in the starch derivative is a starch derivative modified with a C2-C6-alkylene oxide. The invention also relates to the use of a C2-C6-alkylene oxide derivatized starch as main component of a layer of a multilayered packaging, which is placed on a carrier layer made of a polymer material in said packaging with the aim of rendering said multilayered packaging grease-tight.

Emballage à plusieurs couches pour denrées alimentaires grasses, ou partie dudit emballage, qui comprend une couche de support constituée d'une matière polymère en tant que constituant principal et au moins une couche déposée sur la couche de support et ne formant pas la face externe de l'emballage, qui contient un dérivé d'amidon en tant que constituant principal. La présente invention est caractérisée en ce que le dérivé d'amidon est un dérivé d'amidon modifié à l'aide d'un oxyde d'alkylène C¿2?-C¿6?. Elle porte en outre sur l'utilisation d'un amidon dérivé par modification à l'aide d'un oxyde d'alkylène C¿2?-C¿6? en tant que constituant principal d'une couche pour un emballage à plusieurs couches qui est déposée sur une matière polymère pour obtenir l'étanchéité aux graisses dudit emballage à plusieurs couches.

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