Polyester/polyamide blend having improved flavor retaining...

Details Polyester/polyamide blend having improved flavor retaining... Polyester/polyamide blend having improved flavor retaining...

C - Chemistry, Metallurgy

08

L

C08L 67/02 (2006.01) C08L 77/00 (2006.01)

Patent

CA 2133110

This invention relates to a polyester/polyamide blend having an excellent gas barrier property and an improved flavor retaining property and clarity. More particularly, the present invention relates to a polyethylene terephthalate/low molecular weight polyamide blend having an excellent gas barrier property, in which by reducing the concentration of acetaldehyde contained in the polyester; the storage property of a food or the like and the flavor- retaining property and fragrance retaining property are highly improved without producing haze.

Un mélange de polyester/polyamide a une excellente imperméabilité aux gaz et des propriétés de rétention de la saveur et une limpidité améliorées. Plus particulièrement, un mélange de polyamide de faible poids moléculaire et de téréphtalate de polyéthylène a une excellente imperméabilité aux gaz. En réduisant la concentration d'acétaldéhyde contenu dans le polyester, on améliore fortement les propriétés de stockage d'un produit alimentaire ou similaire et les propriétés de rétention de la saveur et de l'odeur sans produire de voile.

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