C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/06 (2006.01) B29C 47/06 (2006.01) C08K 5/134 (2006.01) C08K 5/52 (2006.01) C08K 5/524 (2006.01) C09J 123/04 (2006.01)
Patent
CA 2181739
The invention relates to a process for extruding an ethylene based polymer into a film or layer which comprises (1) extruding an ethylene derived polymer, having a density of less than 0.94 and containing (A) at least 25, preferably less than 5000 ppm of phosphorus containing anti-oxidant and (B) from 0 to 150 ppm of a phosphorus-free, phenolic anti-oxidant; and (2) applying and adhering the film or layer onto a substrate.
L'invention décrit un procédé d'extrusion d'un polymère à base d'éthylène dans un film ou une couche, ce procédé comprenant les étapes consistant: (1) à extruder un polymère dérivé d'éthylène, possédant une densité inférieure à 0,94 et contenant (A) au minimum 25 et, de préférence, une quantité inférieure à 5000 ppm d'un antioxydant contenant du phosphore, et (B) de 0 à 150 ppm d'un antioxydant phénolique dépourvu de phosphore; et (2) à appliquer et faire adhérer le film ou la couche sur un substrat.
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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