Importance

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Abstract

A cross-linked composition, obtained by cross-linking polyolefin composition comprising, all percentages being by weight:

A) from 5 to 38% of a polypropylene component;B) from 35 to 85% of a copolymer of ethylene with propylene, containing from 42 to 70% of ethylene and having solubility in xylene at room temperature greater than 50%;C) from 5 to 45% of a polymer composition comprising a blend of: i) from 20 to 80% of an ethylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 45% of at least one α-olefin comonomer, provided that, when propylene is present as comonomer, such copolymer i) has a composition which is different from B);ii) from 20 to 80% of a propylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 40% of at least one α-olefin comonomer; wherein the amounts of A), B) and C) are referred to the total weight of A)+B)+C) and the amounts of i) and ii) are referred to the weight of C).

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First Claim