Metallizable bopp film with an outer polyketone layer

Details Metallizable bopp film with an outer polyketone layer Metallizable bopp film with an outer polyketone layer

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) B29D 7/01 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) C08J 7/04 (2006.01) C09J 123/08 (2006.01)

Patent

CA 2287898

The invention relates to a heat-sealable composite film comprising A) a base layer of preferably biaxially stretched polypropylene; B) an adhesion- promoting layer of modified polyolefin on at least one side of base layer (A); C) an outer layer of a copolymer consisting of one or several olefins and carbon monoxide (polyketone) located on the adhesion-promoting layer(s) (B).

L'invention concerne un film composite thermosoudable comprenant: A) une couche de base en polypropylène étirée de préférence biaxialement; B) une couche d'accrochage en polyoléfine modifiée, située sur au moins une face de la couche de base A; C) une couche extérieure consistant en un copolymère comprenant une ou plusieurs oléfines et du monoxyde de carbone (polycétone), qui est située sur la(les) couche(s) d'accrochage B.

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