Abstract: A plate for use in an extrusion-based additive manufacturing system made from or containing a top layer made from or containing a sheet or film made from or containing 1-butene based copolymer made from or containing from 0 to 70 wt % of ethylene, propylene or alpha olefins of formula CH2?CHR, wherein R is a C3-C20 alkyl radical, based upon the weight of the 1-butene polymer.

Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; B) from 10 wt % to 50 wt %; of a copolymer of propylene having from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the total weight of the copolymer; the sum of the amount of component A) and B) being 100; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the total weight of the polypropylene composition; wherein the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.

Abstract: The disclosure provides a multilayer blown film for stretch hood made from or containing a layer made from or containing a first polyolefin composition made from or containing from 20 wt % to 80 wt %, based upon the total weight of the first polyolefin composition, of Component A) and from 20 wt % to 80 wt %, based upon the total weight of the first polyolefin composition, of Component B); wherein Component A) is an ethylene copolymer and Component B) is a polyolefin composition made from or containing: (i) 5-35% by weight, based upon the total weight of Component B, of a propylene homopolymer or a propylene ethylene copolymer (ii) 20-50% by weight, based upon the total weight of Component B, of a copolymer of ethylene and a C3-C8 alpha-olefin; and (iii) 30-60% by weight, based upon the total weight of Component B, of a copolymer of ethylene and propylene.

Abstract: The present disclosure provides a filament for use in an extrusion-based additive manufacturing system made from or containing a propylene terpolymer containing (a) ethylene and 1-butene or (b) ethylene and 1-hexene, as comonomers having MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from about 1 to about 20 g/10 min; and xylene solubles measured at 25° C. from about 3 wt % to about 30 wt %, based upon the weight of the propylene terpolymer.

Abstract: The present disclosure provides a filament for use in an extrusion-based additive manufacturing system made from or containing a propylene ethylene copolymer having: ethylene derived units content ranging from about 3.0 wt % to about 12.0 wt %, based upon the weight of the propylene ethylene copolymer; MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from about 4 to about 20 g/10 min; and xylene solubles measured at 25° C. from about 3 wt % to about 30 wt %, based upon the weight of the propylene ethylene copolymer. The disclosure further provides an extrusion-based additive manufacturing system made from or containing the filament as well as 3D printed articles prepared from the system.

Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; B) from 10 wt % to 50 wt %; of a copolymer of propylene having from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the total weight of the copolymer; the sum of the amount of component A) and B) being 100; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the total weight of the polypropylene composition; wherein the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.

Abstract: A blown film made from or containing a polyolefin composition (I) made from or containing: A) from about 40 to about 75 wt. %, based upon the total weight of the polyolefin composition, of a polyethylene having a density of about 0.920 to about 0.940 g/cm3 and a fraction soluble in xylene (XSA) of less than about 10% wt. %; and B) from about 25 to about 60 wt. %, based upon the total weight of the polyolefin composition, of a copolymer of ethylene with one or more comonomers selected from ?-olefins having formula HC2?CHRI, where RI is an alkyl radical, linear or branched, having from 1 to 8 carbon atoms, made from or containing from about 50 to about 70 wt. % of ethylene and having a fraction soluble in xylene (XSB) of at least 50 wt. %.

Abstract: A polyolefin composition made from or containing: A) from 55 to 75 wt % of a polyethylene having a density of 0.920 to 0.940 g/cm3 and a fraction soluble in xylene (XSA) of less than 10%, based upon the weight of the polyethylene; B) from 25 to 45 wt. % of a copolymer of ethylene with one or more comonomers selected from ?-olefins having formula HC2?CHRI, where RI is an alkyl radical, linear or branched, having from 1 to 8 carbon atoms, made from or containing from 50 to 70 wt. %, based upon the weight of the copolymer of ethylene, of ethylene and having a fraction soluble in xylene (XSB) of at least about 50 wt. %, based upon the weight of the copolymer of ethylene; the polyolefin composition having a flexural modulus of less than 260 MPa as measured according to ISO 178. The polyolefin composition is useful for producing geomembranes.

Abstract: The present disclosure relates to a polyolefin composition comprising, in some embodiments: A) 90.0-99.0 wt % of a propylene homopolymer; B) f1.0-10.0 wt % of a propylene/ethylene copolymer composition comprising: b1) 14-52 wt % of a propylene homopolymer or a propylene/ethylene copolymer; b2) 48-86 wt % of a propylene ethylene copolymer comprising an ethylene derived units content of 20.0-55.0 wt %; wherein the resulting polyolefin composition has a melt flow rate (MFR; ISO 1133, 230° C., 5 kg) of 0.2-4.0 g/10 min; the sum of A+B equals 100% by weight and the sum of b1+b2 equals 100% by weight.

Abstract: A propylene 1-hexene copolymer containing from about 5.5 to about 9.0% by weight, based upon the total weight of the copolymer, of 1-hexene derived units having: a) two melting temperature peaks in the DSC plot having a difference in height ranging from 0 to 5 mW; b) the higher melting temperature, measured by DSC, ranging from about 141.0° C. to about 151.0° C.; and c) Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from about 3.5 to about 8.0 g/10 min.

Abstract: The present disclosure relates to a polyolefin composition comprising, in some embodiments: A) 90.0-99.0 wt % of a propylene homopolymer; B) f1.0-10.0 wt % of a propylene/ethylene copolymer composition comprising: b1) 14-52 wt % of a propylene homopolymer or a propylene/ethylene copolymer; b2) 48-86 wt % of a propylene ethylene copolymer comprising an ethylene derived units content of 20.0-55.0 wt %; wherein the resulting polyolefin composition has a melt flow rate (MFR; ISO 1133, 230° C., 5 kg) of 0.2-4.0 g/10 min; the sum of A+B equals 100% by weight and the sum of b1+b2 equals 100% by weight.

Abstract: A propylene polymer composition made from or containing: a) from about 40 wt % to about 80 wt % of a propylene 1-hexene copolymer containing from about 5.5 to about 9.0% by weight, based upon the total weight of the propylene 1-hexene copolymer, of 1-hexene derived units and having a Melt Flow Rate (MFR, measured according to ASTM D 1238 at 230° C., with a load of 2.16 kg) from about 3.5 to about 12.0 g/10 min; and b) from about 20 wt % to about 60 wt % of a propylene ethylene copolymer containing from about 1.5 wt % to about 6.5 wt % based upon the total weight of the propylene ethylene copolymer, of ethylene derived units, and having a Melt Flow Rate (MFR, measured according to ASTM D 1238, at 230° C., with a load of 2.16 kg) from about 3.5 to about 12.0 g/10 min; the sum of a) and b) being 100.

Abstract: The present disclosure relates to a propylene ethylene copolymer comprising: an ethylene content of between 1.8 and 10.0% by weight; a molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; a content of xylene soluble fraction (XS) and ethylene content (C2) that fulfills the following relationship: XS<(C2×2.1)?2.4 where: XS=% by weight of the fraction soluble in xylene at 25° C.; and C2=% by weight of ethylene units in the copolymer as determined via NMR.

Abstract: The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total content of comonomer units not less than 8% wt and a value of the ratio of ethylene to the C4-C8 alpha-olefins ranging from 0.1 to 0.8, said process being carried out in a gas-phase reactor comprising two interconnected polymerization zones. The present invention further relates to the propylene terpolymer obtained by said process particularly suitable to be used as films such as cast films, bi- or mono-oriented films and heat-sealable films having good optical properties and excellent sealing properties combined with good shrinkage properties and softness.

Abstract: A polyolefin composition made from or containing: A) from 55 to 75 wt % of a polyethylene having a density of 0.920 to 0.940 g/cm3 and a fraction soluble in xylene (XSA) of less than 10%, based upon the weight of the polyethylene; B) from 25 to 45 wt. % of a copolymer of ethylene with one or more comonomers selected from ?-olefins having formula HC2?CHRI, where RI is an alkyl radical, linear or branched, having from 1 to 8 carbon atoms, made from or containing from 50 to 70 wt. %, based upon the weight of the copolymer of ethylene, of ethylene and having a fraction soluble in xylene (XSB) of at least about 50 wt. %, based upon the weight of the copolymer of ethylene; the polyolefin composition having a flexural modulus of less than 260 MPa as measured according to ISO 178. The polyolefin composition is useful for producing geomembranes.

Abstract: Ethylene polymer composition comprising, all percent amounts being by weight: A) 30-60% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 40-70% of a copolymer of ethylene with at least one olefin of formula HC2?CHR, where R is a alkyl radical, linear or branched, having from 2 to 8 carbon atoms, containing 65-90% of ethylene and 55-15% of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B), the intrinsic viscosity [?] of the XSB fraction ranging from 0.8 to 3.2 dl/g; wherein the amounts of A) and B) are referred to the total weight of A)+B).

Abstract: Ethylene polymer composition having a fusion enthalpy ?Hfus, measured by Differential Scanning Calorimetry with a heating rate of 20° C. per minute, of 60 J/g or more, comprising, all percent amounts being by weight: A) 25-55% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 45-75% of a copolymer of ethylene and propylene containing from 45% to 70%, of ethylene and 60% or more of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B); wherein the amounts of A) and B) are referred to the total weight of A)+B).

Abstract: A polyolefin composition made from or containing: A) from about 19 wt % to about 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt % B) from about 50 wt % to about 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt % and 1-butene derived units content between about 4.8 wt % and about 12.4 wt %; the sum of the amount of component A) and B) being 100; the polyolefin composition being characterized by the following features: molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than about 4.0; the creep and recovery curve measured on the polymer fuse at 200° C. shows a maximum value between 600 and 1200 seconds, lower than about 53×10?4 l/Pa.

Abstract: A polyolefin composition made from or containing: A) from 19 wt % to 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt; B) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from 1.5 wt % and 6.0 wt % and 1-butene derived units content of between 4.8 wt % and 12.4 wt %; wherein the ratio C2 wt %/C4 wt % is between 0.22 and 3.0, where C2 wt % is the weight percent of ethylene derived units and C4 wt % is the weight percent of 1-butene derived units; the content of xylene soluble fraction at 25° C. is between 2 and 15 wt %; molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; recoverable compliance at 200° C. having a maximum value between 800 and 1200 seconds, lower than 65×10?5 Pa?1.

Abstract: A multilayer film made from or containing a skin layer made from or containing a polyolefin composition made from or containing: A) from 19 wt % to 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt % and B) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt % and 1-butene derived units content of between 4.8 wt % to 12.4 wt %; the sum of the amount of component A) and B) being 100; the composition being characterized by the following features: molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; the creep and recovery curve measured on the polymer fuse at 200° C. shows a maximum value between 600 and 1200 seconds, lower than 53×10?5 1/Pa.