Abstract: A propylene polymer composition comprising: A) from 81 wt % to 91 wt % of a propylene ethylene copolymer containing from 1.0 wt % to 3.5 wt % of ethylene derived units having a fraction soluble in xylene at 25° C. comprised between 10 wt % and 3 wt %; and a melt flow rate ranging from 5 to 50 g/10 min; B) from 9 wt % to 19 wt %, of a copolymer of propylene and ethylene with from 21.0 wt % to 31.0 wt % of ethylene derived units; the sum A)+B) being 100; the composition having an melt flow rate ranging from 20 to 35 g/10 min; the xylene soluble fraction to 25° C. ranging from 13.0 wt % to 25.0 wt % and the intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 0.7 dl/g to 1.9 dl/g.

Abstract: A heterophasic polypropylene composition comprising (percent by weight referred to the sum of components A) and B)): A) from 80% to 97% of a random copolymer of propylene containing from 0.1 to 4% of 1-hexene derived units; B) from 3-20% of a copolymer of propylene and ethylene having a content of ethylene derived units ranging from 50% to 55% extremes excluded; wherein the heterophasic polypropylene composition is endowed with a Melt Flow Rate: measured according to ISO 1133 (230° C., 5 Kg) ranging from 0.5 to 5 g/10 min; and an intrinsic viscosity (IV) of the fraction soluble in xylene at room temperature ranging from 2.5 to 5.5.

Abstract: A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125° C. to 140° C. and Melt Flow Rate (ASTM D1238, 230° C./2.16 Kg) from 0.1 to 3 g/10 min., is used to produce blown films having valuable mechanical and optical properties.

Abstract: A thermoplastic polyolefin composition comprising: (1) 30-70 wt. % of an heterophasic propylene polymer; (2) 20-60 wt. % of a copolymer of ethylene with a comonomer selected from the group consisting of C3-6 ?,?-unsaturated carboxylic acids, C1-8 alkyl esters of a C3-6 ?,?-unsaturated carboxylic acid and mixtures thereof; and (3) 2-20 wt. % of a metal compound selected from the group consisting of: acetates, stearates, hydroxides and oxides of zinc, magnesium, calcium, sodium and mixture thereof.

Abstract: A solution process for polymerizing one or more ?-olefins of the formula CH2?CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: continuously polymerizing in a liquid phase the ?-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30° C. higher than 50 cP (centiPoise).

Abstract: A propylene polymer composition comprising the following components: a) from 50% to 90% by weight of a propylene homopolymer or a propylene copolymer containing up to 5% by mol of derived units of C2-C20 alpha-olefins, having the following features: (i) a polydispersity index PI>3; (ii) melt flow rate (MFR), as measured at 230° C. under a load of 2.16 kg, MFR>1 dg/min; and (iii) fraction soluble in xylene at 25° C. (XSRT)>1% b) from 5% to 25% by weight a copolymer of ethylene and one or more derived units of C4-C20 alpha-olefins having the following features: (i) content of ethylene derived units higher than 50% by mol and lower than 92% by mol; (ii) intrinsic viscosity (IV) higher than 1.2 dLq and lower than 6 dL/g; (iii) density ranging from 0.850 to 0.