Multilayer films including cycloolefin copolymer and...

Details Multilayer films including cycloolefin copolymer and... Multilayer films including cycloolefin copolymer and...

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B32B 27/30 (2006.01) B32B 27/32 (2006.01) B65D 75/34 (2006.01) B65D 75/36 (2006.01)

Patent

CA 2598665

A packaging film or sheet having a styrene-butadiene block copolymer directly melt-bonded to at least one layer of a cyclo-olefin copolymer is disclosed. The films may be made by means of co-extrusion. The packaging film is amenable to thermoforming processes and is particularly suitable for forming blister packaging used in pharmaceutical applications.

La présente invention décrit un film ou une feuille d~emballage avec un copolymère séquencé de styrène-butadiène directement lié par fusion à au moins une couche d~un copolymère de cyclooléfine. Les films peuvent être fabriqués par coextrusion. Le film d~emballage peut être soumis à des procédés de thermoformage et est particulièrement approprié pour former un emballage coque utilisé dans des applications pharmaceutiques.

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