Use of polypropylene films for in-mould labelling

Details Use of polypropylene films for in-mould labelling Use of polypropylene films for in-mould labelling

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) B29C 49/24 (2006.01) G09F 3/02 (2006.01) B29C 49/04 (2006.01) B29C 51/16 (2006.01)

Patent

CA 2483344

The invention relates to the use of a biaxially oriented microporous film, which contains a propylene polymer and at least one .beta.-nucleating agent and whose microporosity is produced by converting .beta.-crystalline polypropylene when drawing the film, in order to label containers during blow molding.

L'invention concerne l'utilisation d'un film microporeux à orientation biaxiale, contenant un polymère de propylène et au moins un agent de nucléation bêta. La microporosité de ce film est obtenue par la conversion du polypropylène bêta- cristallin lors de l'étirage du film. Ledit film sert à l'étiquetage de contenants lors du soufflage sur matrice.

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