C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/10 (2006.01) C08L 23/04 (2006.01) C08L 23/08 (2006.01) C08L 23/16 (2006.01) C08L 23/30 (2006.01) C08L 25/10 (2006.01) C08L 53/02 (2006.01) C08L 91/06 (2006.01)
Patent
CA 2467090
A composition comprising: (I) 55 to 95% by weight of an heterophasic polyolefin composition comprising 8 to 50% by weight of a crystalline propylene polymer fraction and 50 to 92% by weight of an elastomeric propylene fraction; (II) 2 to 20% by weight of an oxidized polyethylene wax having an acid number of 5 to 35 mg KOHIg, a molecular weight Mn of 1,000 to 100,000, and a melting point comprised between 92~C and 140~C; and (III) 3 to 25% by weight of a styrene block copolymer.
La présente invention se rapporte à une composition qui comprend: (I) de 55 à 95 % en poids d'une composition de polyoléfine hétérophasique renfermant de 8 à 50 % en poids d'une fraction polymère de propylène cristallin et de 50 à 92 % en poids d'une fraction de propylène élastomère; (II) de 2 à 20 % en poids d'une cire de polyéthylène oxydé ayant un indice d'acide compris entre 5 et 35 mg KOH/g, un poids moléculaire compris entre 1 000 et 100 000 et un point de fusion compris entre 92 ·C et 140 ·C; et (III) de 3 à 25 % en poids d'un copolymère séquencé de styrène.
Basell Poliolefine Italia S.p.a.
Fetherstonhaugh & Co.
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