Compositions comprising a stabilized metallocene - polyolefins, as well as a method for stabilizing of the metallocene - polyolefins

摘要

A composition comprisingI) a metallocene catalyst prepared by polymerization by means of a polyolefin, andIi) a stabilizer mixture comprising the components a) and b) or the components b) and c);wherein component a) at least one compound of the formula (i - 1), (i - 2), (i - 3) or (i - 4) represents;wherein a₆ Hydrogen or c₁-C.₄-Alkyl and n represents₁ a number from 2 to 25 is;Component b) a compound of formula (iii - 1) , in which n₂ a number from 2 to 25; andComponent c) at least one compound of the formula (iv - 1) represents whereinA₁₅ Hydrogen or c₁-C.₄-Alkyl represents.