Propylene random copolymer

摘要

A propylene random copolymer prepared by copolymerisation of propylene with a comonomer, the comonomer being ethylene or an α-olefin comprising at least four carbon atoms, wherein the random copolymer is a unimodal polymer and the elution interval determined by the TREF method is given by the equation

        Y ≤ 4.5 · m +16

wherein Y is the elution interval in °C and m is the percentage of ethylene in the copolymer in wt.-%.