Multilayer, biaxially oriented polypropylene film having...

Details Multilayer, biaxially oriented polypropylene film having... Multilayer, biaxially oriented polypropylene film having...

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) B32B 27/18 (2006.01) B65D 65/40 (2006.01)

Patent

CA 2340239

The invention relates to a multi-layer, sealable, biaxially oriented polypropylene film having improved barrier properties which is constructed of a base layer, of at least one sealable covering layer and of at least one intermediate layer. The intermediate layer contains a wax with an average molecular weight Mn ranging from 200 to 1200. The invention also relates to a method for producing the film and to the use thereof.

L'invention concerne une feuille de polypropylène multicouche à orientation biaxiale, pouvant être scellée, présentant des propriétés barrière améliorées et constituée d'une couche de base, d'au moins une couche de recouvrement pouvant être scellée et d'au moins une couche intermédiaire. Cette dernière contient de la cire présentant un poids moléculaire moyen Mn compris entre 200 et 1200. L'invention concerne également un procédé de production de ladite feuille et l'utilisation de cette dernière.

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