C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/10 (2006.01) C08K 3/22 (2006.01) C08L 23/16 (2006.01)
Patent
CA 2579006
A thermoplastic polyolefm composition comprising: (1) 30-70 wt.% of an heterophasic propylene polymer; (2) 20-60 wt.% of a copolymer of ethylene with a comonomer selected from the group consisting of C3-6 .alpha.,~ -unsaturated carboxylic acids, C1-8 alkyl esters of a C3-6 .alpha.,~ - unsaturated carboxylic acid and mixtures thereof; and (3) 2-20 wt.% of a metal compound selected from the group consisting of: acetates, stearates, hydroxides and oxides of zinc, magnesium, calcium, sodium and mixture thereof.
L'invention concerne une composition de polyoléfines thermoplastiques contenant: (1) 30-70 % en poids d'un polymère de propylène hétérophasique; (2) 20-60 % en poids d'un copolymère d'éthylène avec un comonomère choisi dans le groupe contenant des acides carboxyliques C3-6 .alpha.,.beta.-insaturés, des esters alkyliques C1-8 d'un acide carboxylique C3-6 .alpha.,.beta.-insaturés ainsi que des mélanges de ceux-ci; et (3) 2-20 % en poids d'un composé métallique choisi dans le groupe contenant: des acétates, des stéarates, des hydroxydes et des oxydes de zinc, magnésium, calcium, sodium ainsi que leur mélange.
Vianello Monica
Zucchelli Ugo
Basell Poliolefine Italia S.r.l.
Mccarthy Tetrault Llp
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