Label film with improved adhesion

Details Label film with improved adhesion Label film with improved adhesion

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B29C 55/02 (2006.01) G09F 3/04 (2006.01)

Patent

CA 2436695

The invention relates to the use of a biaxially oriented polyolefin film as a label film. The inventive film consists of a base layer and at least one cover layer. Said cover layer contains as the main component a copolymer or terpolymer consisting of one alkene and unsaturated carboxylic acids or the esters thereof and low amounts of an additive. The cover layer is characterized by excellent and diverse adhesion to various polymer materials from which containers are formed. It is no longer necessary to apply adhesives, primers, coatings etc. in a separate step after production of the film.

L'invention concerne l'utilisation d'une feuille de polyoléfine à orientation biaxiale, comprenant une couche de base et au moins une couche de recouvrement, cette dernière renfermant, comme composants principaux, un copolymère ou un terpolymère formé d'un alcène et d'acides carboxyliques insaturés ou de leurs esters, et de faibles quantités d'un additif. La couche de revêtement présente une force d'adhérence excellente et diversifiée vis-à-vis de différents matériaux polymères dont sont formés des récipients, sans qu'il soit nécessaire d'appliquer des agents adhésifs, promoteurs d'adhérence, enduits, etc. lors d'une étape distincte après fabrication de la feuille.

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