C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/12 (2006.01) B32B 27/32 (2006.01) C08F 8/00 (2006.01) C08J 3/22 (2006.01) C08J 5/18 (2006.01) C08K 5/1515 (2006.01) C08L 23/02 (2006.01)
Patent
CA 2476639
The present invention relates to a masterbatch composition which contains a polyolefin base resin, polymethylmethacrylate (PMMA) pearls and a further polymeric compound obtained at least from olefinic monomers, olefinic monomers containing an ester functionality and olefinic monomers containing an ether functionality, as well as to the masterbatches obtained from this composition. The present invention is further directed to monolayer as well as multilayer films which are made using the inventive masterbatches, their methods of production and the use of said films for packaging purposes.
La présente invention concerne un mélange maître renfermant une résine polyoléfinique de base, des billes de polyméthylmethacrylate (PMMA) ainsi qu'un autre composé polymérique obtenu au moins à partir de monomères oléfiniques, de monomères oléfiniques possédant un groupement ester et de monomères oléfiniques possédant un groupement éther; elle se rapporte également aux mélanges maîtres obtenus à partir de cette composition. L'invention a également trait aux pellicules monocouche ou multicouches fabriquées à partir des mélanges maîtres en question, aux méthodes de production de ces pellicules et à leur utilisation pour l'emballage.
Daponte Tony
Janssens Marcel
A. Schulman Plastics
Ridout & Maybee Llp
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