Polymer compositions for extrusion coating

Details Polymer compositions for extrusion coating Polymer compositions for extrusion coating

C - Chemistry, Metallurgy

08

L

C08L 23/06 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) C08J 5/18 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2499517

Compositions suitable for use in extrusion coating are claimed. The compositions comprise a mixture of a homogeneous ethylene polymer and a heterogeneous ethylene polymer together with a high melt strength polyolefin. Film layers made from the compositions have improved "neck-in" and excellent heat seal initiation.

L'invention concerne des compositions utiles au revêtement par extrusion. Ces compositions contiennent un mélange de polymère éthylène homogène et un polymère d'éthylène hétérogène avec une polyoléfine présentant une résistance élevée à la fusion. Des couches de film issues de ces compositions présentent une meilleure striction et une excellente initiation d'étanchéité à la chaleur.

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