Transparent biaxially oriented polyolefin film with improved...

Details Transparent biaxially oriented polyolefin film with improved... Transparent biaxially oriented polyolefin film with improved...

B - Operations, Transporting

32

B

B32B 27/32 (2006.01) C08J 5/18 (2006.01) C09J 123/10 (2006.01) C08L 51/06 (2006.01)

Patent

CA 2454395

The invention relates to the use of a pololyfin film for sealing purposes. The film consists of a base layer which is made of polyolefin polymers and at least one outer covering layer. The covering layer contains at least 50 wt. % of a polyolefin modified by maleic acid anhydride, in relation to the weight of the covering layer, and undergoes flame surface treatment on the surface of said covering layer.

L'invention concerne l'utilisation d'un film polyoléfine pour le scellage. Ce film comprend une couche de base constituée de polymères polyoléfiniques, ainsi qu'au moins une couche de recouvrement extérieure. La couche de recouvrement contient au moins 50 % en poids, par rapport au poids de la couche de recouvrement, d'une polyoléfine modifiée par un anhydride de l'acide maléique et sa surface est soumise à un traitement à la flamme.

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