Patent ID: 8785584

Claim:
A propylene/ethylene/1-hexene terpolymer containing from 1.0 wt % to 2.5 wt %, of ethylene derived units and from 2.0 wt % to 4.0 wt % of 1-hexene derived units, the sum of the amounts of propylene, ethylene and 1-hexene derived units being 100, having the following features: a) the amount (wt %) of 1-hexene (C6) and the amount (wt %) of ethylene (C2) fulfill the following relation: C 2<−0.18 C 6+2.86; b) Polydispersity index (PI) ranging from 2 to 10; c) melting temperature ranging from 125° C., to 139° C.; d) solubility in xylene at 25° C. below 10 wt %; e) melt index (MFR) of from 4 to 6 g/10 min, according to ISO method 1133; and f) crystallization temperature ranging from 85° C. to 100° C.