A label for removable attachment to an article

Details A label for removable attachment to an article A label for removable attachment to an article

G - Physics

09

F

G09F 3/10 (2006.01) B32B 27/32 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2603882

A label for removable application to an article such as a beverage bottle includes a backing layer (2) comprising a laminate of a bi-axially oriented polyester such as PET (12) and a bi-axially oriented polypropylene (14). The polyester film (12) has a lower coefficient of thermal expansion than the polypropylene film (14). Consequently, when the label is heated, it will tend to curl and this effect can be used to assist in the removal of the label from the article in a hot washing bath during recycling of the article.

L'invention concerne une étiquette pour fixation amovible sur un article tel qu'une bouteille de boisson qui comprend une couche support (2) composée d'un stratifié de polyester à orientation biaxiale tel qu'un PET (12) et un polypropylène à orientation biaxiale (14). Le film de polyester (12) a un coefficient d'expansion thermique inférieur à celui du film de polypropylène (14). En conséquence, quand l'étiquette est chauffée, elle aura tendance à s'enrouler, ce qui permettra, lors d'un bain chaud de nettoyage pendant le recyclage de l'article, de retirer plus facilement l'étiquette de l'article.

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