C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 297/08 (2006.01) C08F 10/02 (2006.01) C08J 5/18 (2006.01)
Patent
CA 2603531
The present invention relates to a film comprising at least one layer comprising an ethylene homo- or copolymer which has a complex viscosity at 5 kPa shear stress eta5 of 200,000 or less and a shear thinning index SHI(5/300) measured at 190 0C as the ratio between the complex viscosity at 5 kPa shear stress and the complex viscosity at 300 kPa shear stress of 120 or more.
La présente invention concerne un film comprenant au moins une couche renfermant un homopolymère ou un copolymère éthylénique qui présente d'une part une viscosité complexe inférieure ou égale à 200000 à une contrainte de cisaillement eta5 de 5 kPa et d'autre part un indice de fluidisation par cisaillement SHI(5/300) mesuré à 190 °C, défini comme le rapport entre la viscosité complexe à une contrainte de cisaillement de 5 kPa et la viscosité complexe à une contrainte de cisaillement de 300 kPa, d'au moins 120.
Eggen Svein Staal
Helland Irene
Van Marion Remko
Borealis Technology Oy
Riches Mckenzie & Herbert Llp
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