Abstract: A polypropylene resin comprising a propylene polymer endowed with the following characteristics: a) distribution of molecular weight Mw/Mn lower than 4; b) the melt-viscosity measured at a temperature of 250° C. in the shear rate range between 1000 1/s and 40000 1/s meet the following relationship: c) h 9*e(?0.00006*sr)+2 a. wherein h represents the melt-viscosity in Pas and sr the shear rate in 1/s d) the isotactic pentads (mmmm) measured with by 13C-NMR are higher than 90%; d) preferably higher than 92%; more preferably higher than 95% and most preferred higher than 96%; e) the hexane extractables according FDA regulations are preferably below 2.6 wt. %; and f) the xylene solubles are below 2 wt. %; with the proviso that the propylene polymer was not visbroken.

Abstract: A polypropylene resin comprising a propylene polymer endowed with the following characteristics: a) distribution of molecular weight Mw/Mn lower than 4; b) the melt-viscosity measured at a temperature of 250° C. in the shear rate range between 1000 1/s and 40000 1/s meet the following relationship: c) h 9*e(?0.00006*sr)+2 a. wherein h represents the melt-viscosity in Pas and sr the shear rate in 1/s d) the isotactic pentads (mmmm) measured with by 13C-NMR are higher than 90%; d) preferably higher than 92%; more preferably higher than 95% and most preferred higher than 96%; e) the hexane extractables according FDA regulations are preferably below 2.6 wt. %; and f) the xylene solubles are below 2 wt. %; with the proviso that the propylene polymer was not visbroken.

Abstract: A polypropylene homopolymer melt blown resin comprising a melt flow rate of about 300 to about 2500 g/10 min. at 230° C., a polydispersion index of about 1.3 to about 2.9, and a melting point of at least 160° C.

Abstract: A propylene copolymer composition comprising A) from 50% to 80% by weight of a propylene copolymer containing from 0.05 to 0.99% by weight of an alpha olefins having from 2 to 10 carbon atoms other than propylene; and B) from 20% to 50% by weight of one propylene copolymer containing from 7.01 to 20.0 % by weight of an alpha olefins having from 2 to 10 carbon atoms other than propylene; said propylene copolymer composition having the following characteristics: (i) MFR (230° C./2,16 kg) [g/10 min] comprised between 1 and 20; (ii) tensile E modulus comprised between 400 and 800 MPa (ISO 527-2:1993) and films produced therefrom.

Abstract: An irradiated butene-1 polymer material characterized by high melt strength and softness, and composiiton of this high melt strength butene-1 polymer with non-irradiated butene-1 polymer materials having enhanced crystallization properties.