Abstract: Breathable films formed from polyethylene are provided that can have desirable properties. In one aspect, a breathable film comprises a layer formed from a composition comprising a first composition, wherein the first composition comprises at least one ethylene-based polymer and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log(I2).

Abstract: An ethylene/?-olefin copolymer comprising units derived from ethylene; and units derived from at least one ?-olefin; wherein the ethylene/?-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/?-olefin copolymer is provided. Also provided is a process for producing an ethylene/?-olefin copolymer comprising: (1) polymerizing ethylene and one or more ?-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/?-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.

Abstract: An ethylene/?-olefin copolymer comprising units derived from ethylene; and units derived from at least one ?-olefin; wherein the ethylene/?-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/?-olefin copolymer is provided. Also provided is a process for producing an ethylene/?-olefin copolymer comprising: (1) polymerizing ethylene and one or more ?-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/?-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.

Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants.

Abstract: The present disclosure is directed to processes for producing ultrasonic sealable film structures and flexible containers with ultrasonic seals. The film structure includes a first multilayer film and a second multilayer film Each multilayer film includes a backing layer and a seal layer. Each seal layer includes an ultrasonic sealable olefin-based polymer (USOP) having the following properties: (a) a heat of melting, ?Hm, less than 130 J/g, (b) a peak melting temperature, Tm, less than 125° C., (c) a storage modulus in shear (G?) from 50 MPa to 500 MPa, and (d) a loss modulus in shear (G?) greater than 10 MPa. The multilayer films are arranged such that the seal layer of the first multilayer film is in contact with the seal layer of the second multilayer film The seal layers form an ultrasonic seal having a seal strength from 30 N/15 mm to 80 N/15 mm when ultrasonically sealed at 4 N/mm seal force.

Abstract: The present disclosure is directed to a fiber that is composed of a polymeric blend including (i) 95 wt % to 99 wt % of a high density ethylene-based polymer having a Mw/Mn from 2.0 to 3.0 and (ii) from 5 wt % to 1 wt % of a low density ethylene-based polymer having a melt index from 5 g/10 min to 15 g/10 min. The fiber has a density from 1 denier to 2 denier and a 3% secant modulus from 8.5 g/denier to 20 g/denier.

Abstract: A polymeric, mono- or multilayer stretch hood packaging film with an overall density that does not exceed 0.920 g/cc includes: A. At least one core layer containing: 1. At least 50 wt % ULDPE with a density of 0.900 to 0.920 g/cc; and 2. Optionally at least one of: a. LDPE with a density of 0.915 to 0.925 g/cc, and b. EVA with a VA content of 4 to 20 wt %; and B. Optionally, two skin layers, each skin layer independently comprising: 1. At least 50 wt % ULDPE with a density of 0.900 to 0.920 g/cc; and 2. Optionally an LDPE with a density of 0.915 to 0.925 g/cc.

Abstract: The instant invention provides a linear low density polyethylene composition suitable for cast film, films made therefrom, and packaging devices comprising one or more such film layers. The linear low density polyethylene composition suitable for cast film according to the present invention comprises an ethylene/?-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 40 to 200, for example from 40 to 150, a vinyl unsaturation of less than 0.12 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1.2 to 5, for example from 1.5 to 4; a density in the range of from 0.910 to 0.935, for example from 0.915 to 0.925, g/cm3, a melt index (I2) in a range of from 1 to 10, for example from 2 to 6 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.5.

Abstract: The instant invention provides bi-component fibers and fabrics made therefrom. The bi-component fiber according to the present invention comprises: (a) from 5 to 95 percent by weight of a first component comprising at least one or more first polymers, based on the total weight of the bi-component fiber; (b) from 5 to 95 percent by weight of a second component comprising at least an ethylene-based polymer composition, based on the total weight of the bicomponent fiber, wherein said ethylene-based polymer composition comprises; (i) less than or equal to 100 percent by weight of the units derived from ethylene; and (ii) less than 30 percent by weight of units derived from one or more ?-olefin comonomers; wherein said ethylene-based polymer composition is characterized by having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.

Abstract: The instant invention provides nonwoven fabrics and staple or binder fibres prepared from an ethylene-based polymer having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1 to less than 2; a density in the range of 0.930 to 0. 970 g/cm3, a melt index (12) in the range of from 15 to 30 or from 10 to 50 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.5, and a molecular weight distribution (Mz/Mw) in the range of from less than 2.

Abstract: An artificial turf comprising a turf yarn prepared from an ethylene-based polymer composition comprising less than or equal to 100 percent by weight of the units derived from ethylene; and less than 30 percent by weight of units derived from one or more ?-olefin comonomers; wherein said ethylene-based polymer composition is characterized by having a Comonomer Distribution Constant of equal to or greater than 40, a vinyl unsaturation of less than 100 vinyls per one million carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) equal to or greater than 1.75; a density in the range of 0.915 to 0.930 g/cm3, a melt index (12) in the range of from 0.8 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.6, and a molecular weight distribution (Mz/Mw) equal to or less than 3; and wherein the turf yarn exhibits one or more of the following properties (a) shrink of less than 4.8%, and (b) curl of less than 0.5 is provided.

Abstract: The instant invention provides a polyethylene blend composition suitable for blown film, method of producing the same, and films made therefrom. The polyethylene blend composition suitable for blown film according to the present invention comprises the melt blending product of: (a) less than or equal to 4 percent by weight of a low density polyethylene (LDPE) having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of a heterogenous linear low density polyethylene (hLLDPE) having a density in the range of from 0.917 to 0.950 g/cm3, and a melt index (I2) in the range of from 0.1 to less than or equal to 5 g/10 minutes; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; and (e) optionally one or more antioxidants.

Abstract: An ethylene/?-olefin copolymer comprising units derived from ethylene; and units derived from at least one ?-olefin; wherein the ethylene/?-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/?-olefin copolymer is provided. Also provided is a process for producing an ethylene/?-olefin copolymer comprising: (1) polymerizing ethylene and one or more ?-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/?-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.

Abstract: The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm3, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

Abstract: The present invention provides a film suitable for applications requiring high water vapor transmission rates. The film comprises a polyolefin polymer together with from 1 to 30 percent by weight of the film of a hydrophilic polymer and from 30 to 75 percent by weight of the film of a filler having a hydrophilic surface functionality.

Abstract: Polymeric, mono- or multilayer stretch hood packaging film with an overall density that does not exceed 0.920 g/cc comprises: A. At least one core layer comprising: 1. At least 50 wt % ULDPE with a density of 0.900 to 0.920 g/cc; and 2. Optionally at least one of: a. LDPE with a density of 0.915 to 0.925 g/cc, and b. EVA with a VA content of 4 to 20 wt %; and B. Optionally, two skin layers, each skin layer independently comprising: 1. At least 50 wt % ULDPE with a density of 0.900 to 0.920 g/cc; and 2. Optionally an LDPE with a density of 0.915 to 0.925 g/cc.

Abstract: The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm3, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

Abstract: The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm3, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

Abstract: A multi-layer film structure is made from a specific polyethylene copolymer comprising the inner layer and is useful as a stretch hood film structure. The polyethylene copolymer can be characterized by a Comonomer Distribution Constant greater than about 45.

Abstract: A reversible, heat-set covered fiber is described, the covered fiber comprising: A. A core comprising an elastic fiber comprising a substantially crosslinked, temperature-stable, olefin polymer, and B. A cover comprising an inelastic fiber. The fiber is heat-set by a method comprising: (a) Stretching the covered fiber by applying a stretching force to the covered fiber; (b) Heating the stretched covered fiber of (a) to a temperature in excess of the crystalline melting point of the olefin polymer for a period of time sufficient to at least partially melt the olefin polymer; (c) Cooling the stretched and heated covered fiber of (b) to a temperature below the crystalline melting point of the olefin polymer for a period of time sufficient to solidify the polymer; and (d) Removing the stretching force from the covered fiber.