B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 51/00 (2006.01) B65D 75/36 (2006.01) C08J 5/18 (2006.01) B29C 35/04 (2006.01) B29C 35/08 (2006.01) B29C 47/00 (2006.01) B29C 51/08 (2006.01) B29C 51/10 (2006.01) B29C 51/14 (2006.01) B29C 51/16 (2006.01) B29C 55/12 (2006.01)
Patent
CA 2443161
The invention relates to a method for the plastic shaping of a biaxially-drawn film, comprising at least one base layer, containing at least one polymer (I), made from at least one hydroxycarboxylic acid and >= 0.2 wt. %, based on the weight of the layer, of a thermoplastic polymer (II), different from polymer (I). Said film is plastically moulded by application of pneumatic and/or mechanical forces.
La présente invention concerne un procédé pour réaliser la déformation plastique d'un film à étirement biaxial, qui comprend au moins une couche de base renfermant au moins un polymère I, constitué d'au moins un acide hydroxycarboxylique et >= 0,2 % en poids, par rapport au poids de la couche, d'un polymère thermoplastique II, différent du polymère I. Selon ce procédé, ledit film subit une déformation plastique par action de forces pneumatiques et/ou mécaniques.
Busch Detlef D.
Rosenbaum Sonja
Fetherstonhaugh & Co.
Trespaphan Gmbh
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