Shrinkable copolyester film

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 63/199 (2006.01) B29C 55/00 (2006.01) C08J 5/18 (2006.01)

Patent

CA 2169300

A shrinkable copolyester film having shrinkage of not less than 30 % in either the machine direction or transverse direction after specific heat treatment. The shrinkable film of the present invention is excellent in shrinkage properties and is substantially free from wrinkles, and uneven shrinkage. The copolyester is useful as a shrinkage label for PET bottles.

L'invention porte sur un film de copolyester rétractable présentant, après un traitement thermique spécifique, un retrait d'au moins 30 % dans le sens de la machine ou dans le sens transversal. Le film rétractable de l'invention possède d'excellentes propriétés de retrait et est essentiellement libre de plis de froissement et ne se rétracte pas inégalement. Le copolyester est utile comme étiquette rétractable pour les bouteilles en PET.

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