High moisture barrier oriented polypropylene film

Details High moisture barrier oriented polypropylene film High moisture barrier oriented polypropylene film

C - Chemistry, Metallurgy

08

L

C08L 23/12 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) C08J 5/18 (2006.01)

Patent

CA 2223547

A polymeric film structure having improved moisture barrier characteristics and enhanced mechanical properties. The film structure includes a base layer formed of high crystallinity polypropylene having a isotactic stereoregularity greater than 93 % and up to 8 % by weight of a resin modifier.

Structure de film polymère présentant des caractéristiques d'imperméabilité à l'humidité améliorées et des propriétés mécaniques accrues. Ladite structure de film comporte une couche de base constituée d'un polypropylène à haute cristallinité présentant une stéréorégularité isotactique supérieure à 93 % et de jusqu'à 8 %, en poids, d'un modificateur de résine.

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