Abstract: Propylene polymer compositions comprising: A) from 70 wt % to 95 wt %, of a random copolymer of propylene with ethylene, containing from 3.5 wt % to 8.5 wt %, of ethylene derived units, having a content of fraction soluble in xylene at 25° C. comprised between 7.1 wt % and 15.2 wt % and having a melting point higher than 142.0° C.; B) from 5 wt % to 35 wt %, of a copolymer of propylene with ethylene, containing from 8.5 wt % to 17.0 wt % of ethylene derived units; the sum A+B being 100; the melt flow rate, MFR (ISO 1133 (230° C., 2.16 kg).) from 0.6 g/10 min to 20.2 g/10 min.

Abstract: A container comprising a propylene, ethylene, 1-hexene terpolymer wherein: (i) the content of ethylene derived units ranges from 0.2 wt % to 1.0 wt %; (ii) the content of 1-hexene derived units ranges from 3.5 wt % to 5.5 wt %; (iii) the content of ethylene derived units fulfills the following equation (I); C2<C6*0.16??(I); wherein C2 is the content of ethylene derived units wt % and C6 is the content of 1-hexene derived units wt %; and (iv) the melt flow rate MFR measured according to ISO 1133, 230° C., 2.16 kg ranges from 15 to 80 g/10 min.

Abstract: Propylene terpolymers are prepared by polymerizing propylene, ethylene and an alpha-olefin selected from the group of C4-C8 alpha-olefins in the presence of a catalyst system obtained by contacting a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other selected from 1,3 diethers, an aluminum hydrocarbyl compound, and optionally an external electron donor compound.

Abstract: A container comprising a propylene, ethylene, 1-hexene terpolymer wherein: (i) the content of ethylene derived units ranges from 0.2 wt % to 1.0 wt %; (ii) the content of 1-hexene derived units ranges from 3.5 wt % to 5.5 wt %; (iii) the content of ethylene derived units fulfills the following equation (I); C2<C6*0.16??(I); wherein C2 is the content of ethylene derived units wt % and C6 is the content of 1-hexene derived units wt %; and (iv) the melt flow rate MFR measured according to ISO 1133, 230° C., 2.16 kg ranges from 15 to 80 g/10 min.

Abstract: Propylene terpolymers are prepared by polymerizing propylene, ethylene and an alpha-olefin selected from the group of C4-C8 alpha-olefins in the presence of a catalyst system obtained by contacting a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other selected from 1,3 diethers, an aluminum hydrocarbyl compound, and optionally an external electron donor compound.

Abstract: A terpolymer obtainable by the step of copolymerizing propylene, ethylene and 1-hexene in the presence of a catalyst system comprising the product obtained by contacting the following components: (a) a solid catalyst component comprising a magnesium halide, a titanium and at least two electron donor compounds one selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound. wherein in the terpolymer (i) the content of 1-hexene derived units ranges from 0.5 to 5.0 wt %; (ii) the content of ethylene derived units is higher than 1.4 t % and fulfils the following relation (1): C2<C6?0.2??(1) wherein C2 is the content of ethylene derived units wt % and C6 is the content of 1-hexene derived units wt %; (iii) the melting temperature ranging from 130° C. to 138° C.

Abstract: A process for the preparation of random copolymer of propylene containing up to 6.0% by weight of ethylene units, suitable for the manufacture of pipes, by copolymerizing propylene and ethylene in the presence of a catalyst system comprising the product obtained by contacting the following components: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound.

Abstract: Propylene polymer compositions comprising: A) from 70 wt % to 95 wt %, of a random copolymer of propylene with ethylene, containing from 3.5 wt % to 6.5 wt % of ethylene derived units, having a content of fraction insoluble in xylene at 25° C. of not less than 93 wt %; B) from 5 wt % to 35 wt %, of a copolymer of propylene with ethylene, containing from 8.5 Wt % to 17.0 wt % of ethylene derived units; the sum A+B being 100; the melt flow rate ,MFR (ISO 1133 (230° C., 2.16 kg) ranges from 0.6 g/10 min to 20.2 g/10 min.

Abstract: Propylene polymer compositions comprising: A) from 70 wt % to 95 wt %, of a random copolymer of propylene with ethylene, containing from 3.5 wt % to 8.5 wt %, of ethylene derived units, having a content of fraction soluble in xylene at 25° C. comprised between 7.1 wt % and 15.2 wt % and having a melting point higher than 142.0° C.; B) from 5 wt % to 35 wt %, of a copolymer of propylene with ethylene, containing from 8.5 wt % to 17.0 wt % of ethylene derived units; the sum A+B being 100; the melt flow rate, MFR (ISO 1133 (230° C., 2.16 kg).) from 0.6 g/10 min to 20.2 g/10 min.