B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/30 (2006.01) B32B 27/32 (2006.01) G09F 3/00 (2006.01)
Patent
CA 2628427
The present invention relates to a multi-layer oriented shrink film comprising at least one skin layer comprising a polystyrene material and at least one core layer comprising a polyolefin layer. The films are preferably primarily oriented in either the machine or the cross direction. These films are ideally suited for use as a shrink label which can be applied either as a CD shrink sleeve or applied using a continuous roll process. The films ideally have an overall density of less than 1.0 g/cm3, to facilitate recycling efforts.
La présente invention concerne un film rétractable orienté multicouche comprenant au moins une couche active formée de polystyrène et au moins une couche intérieure formée de polyoléfine. Le film est de préférence essentiellement orienté dans le sens machine ou le sens travers. Le film constitue un support idéal pour une étiquette rétractable pouvant être apposée en tant que manchon rétractable de CD ou apposée à l~aide d~un procédé de rouleau continu. Le film présente théoriquement une densité totale inférieure à 1,0 g/cm3 pour faciliter son recyclage.
Amon Moris
Chu Chia-Hsi
Chum Pak-Wing S.
Niemann Debra H.
Patel Rajen M.
Dow Global Technologies Inc.
Dow Global Technologies Llc
Smart & Biggar
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