Abstract: A process to form a rheology modified composition, the process comprising applying radiation, and optionally heat, to a composition that comprises at least the following component: a) an olefin-based polymer comprising a total unsaturation ?0.20 /1000 C; and wherein the radiation is applied using an electron beam (e-beam) at a dosage selected from 0.1 MRad to 1.5 MRad; and wherein component a is selected from a telechelic polyolefin of the formula A1L1L2A2, an unsaturated polyolefin of the formula A1L1, or an ethylene/alpha-olefin interpolymer. A process to form a rheology modified composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) an olefin-based polymer, as described above, comprising a total unsaturation ?0.20/1000 C; b) from 1.0 to 100 ppm of a peroxide, based on the weight of the composition.

Abstract: Irradiation of low-density polyethylene resins with an electron beam produces modified polyethylene resins that have significantly improved melt strength and retain useful melt-index and have few cross-linked gels, if the starting LDPE resin and the level of irradiation are properly selected.

Abstract: A low-density polyethylene having a melt strength measured at 190 C that is greater than or equal to 5.5 cN, a density that is greater than or equal to 0.9210 g/cm3 and less than or equal to 0.9275 g/cm3, and, and a melt index I2 measured at 190° C. that is greater than or equal to 4.5 g/10 min.

Abstract: Provided are films made from polymer blends including post-consumer resin (PCR). The films are formed from a polymer blend that includes a PCR, a low density polyethylene and/or ethylene/carbon monoxide copolymer (ECO copolymer), and a modification agent. The films, which include a PCR, contribute to improved sustainability and in aspects maintain or minimize the reduction of desirable properties, such as elastic recovery.

Abstract: Embodiments disclosed herein include multilayer films having a cling layer, a core layer, and a release layer, wherein the cling layer comprises a propylene interpolymer and the core layer comprises a core layer polyethylene composition.

Abstract: A composition comprising an ethylene/CO interpolymer, formed from a high pressure, free-radical polymerization, and wherein the ethylene/CO interpolymer has the following properties: a) a CO content from “greater than 0” weight percent to less than, or equal to, 10 weight percent CO (carbon monoxide), based on the weight of the interpolymer; and b) a melting point, Tm, in ° C. that meets the following relationship: Tm (° C.)?601.4*(Density in g/cc)?452.5(° C.).

Abstract: The heterogeneous procatalyst of this disclosure includes a titanium species; a hydrocarbon soluble transition metal compound having a structure M(OR1)z; a chlorinating agent having a structure A(Cl)x(R2)3-x, and a magnesium chloride component. M of M(OR1)z is a non-reducing transition metal other than titanium, the non-reducing transition metal being in an oxidation state of +2 or +3. Each R1 is independently (C1-C30)hydrocarbyl or —C(O)R11, where R11 is (C1-C30)hydrocarbyl. Subscript z of M(OR1)z is 2 or 3. Each R1 and R11 may be optionally substituted with one or more than one halogen atoms, or one or more than one —Si(RS)3, where each RS is (C1-C30)hydrocarbyl. A of A(Cl)x(R2)3-x is aluminum or boron; R2 is (C1-C30)hydrocarbyl; and x is 1, 2, or 3; and a magnesium chloride component.

Abstract: Embodiments of the present invention relate to multilayer films and articles. In one aspect, a multilayer film comprises at least one outer layer comprising at least 50 wt % of a polyethylene composition comprising the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a. a melt index, I2, of from 0.3 to 3.0 g/10 min; b. a density of from 0.950 to 0.965 g/cm3; c. a melt flow ratio, I10/I2, of from 6.3 to 7.5; and d. a molecular weight distribution (MWD) of from 2.2 to 3.5, wherein the multilayer film has a thickness of at least 2 mils, wherein the multilayer film comprises at least 50% by weight polyethylene, wherein the multilayer film exhibits a surface haze of 13.5% or less when measured according to ASTM 1003-07, and wherein the multilayer film exhibit a water vapor transmission rate of 0.7 g-mil/100 in2/day or less when measured according to ASTM F1249-06 at a temperature of 38° C.

Abstract: Polymer blends, films, and coated substrates that include the polymer blends. The polymer blends include at least 90% by weight low density polyethylene polymer and from 1 to 10% by weight ionomer. The LDPE polymer has a melt index (I2)from 2 g/10 mins to 6 g/10 mins, and a molecular weight distribution from 5 to 11 as determined by a conventional gel permeation chromatography method. The ionomer includes an ethylene acid copolymer, in which from 15% to 70% of acid groups are neutralized by sodium cation based on the total number of acid groups in the acid copolymer. The ethylene acid copolymer is the polymerized reaction product of: at least 50% by wt. ethylene, from 2 wt. % to 40 wt. % of monocarboxylic acid monomer, and from 0 to 20 wt. % of alkyl acrylate, based on the total wt. % of the monomers present in the ethylene acid copolymer.

Abstract: The polymer blend includes at least 90% by weight low density polyethylene (LDPE) polymer and from 1% to 10% by weight acid copolymer based on the total weight of the polymer blend. In the polymer blend, the LDPE polymer has a melt index (I? 2#191) from 2 g/10 min to 8 g/10 min as determined in accordance with ASTM D1238, and a molecular weight distribution from 5 to 10.5. In the polymer blend, the acid copolymer is a polymerized reaction product of: at least 60% by weight ethylene, based on the total weight of the monomers present in the ethylene acid copolymer; from 1% to 20% by weight monocarboxylic acid monomer, based on the total weight of the monomers present in the ethylene acid copolymer; and from 0 to 20% by weight alkyl acrylate monomer, based on the total weight of the monomers present in the ethylene acid copolymer.

Abstract: Embodiments disclosed herein include multilayer cast films having a cling layer and a release layer, wherein the cling layer comprises (i) a first polyethylene composition, and (ii) ultra-low density polyethylene, very low density polyethylene, ethylene/alpha-olefin elastomer, propylene-based elastomer, or combinations thereof; and the release layer comprises a second polyethylene composition.

Abstract: A low density polyethylene (LDPE) having a z-average molecular weight Mz (cony) from 425,000 g/mol to 800,000 g/mol, a melt index I2 less than or equal to 0.20 g/10 min, and a conventional GPC Mw/Mn from 8.0 to 10.6. A LDPE having a GPC-light scattering parameter (LSP) less than 2.00, a ratio of viscosity measured at 0.1 radians/second and 190° C. to a viscosity measured at 100 radians/second and 190° C. that is greater than 50, and a z-average molecular weight Mz (cony) from 425,000 g/mol to 800,000 g/mol.

Abstract: The present disclosure provides a multi-layer blown film, comprising: a first skin layer and a second skin layer, where at least one of the first skin layer and the second skin layer comprises from 80 to 100 wt. % of a LLDPE, where the LLDPE has a density from 0.910 to 0.935 g/cm3; a core layer between the first skin layer and the second skin layer, where the core layer comprises from 70 to 100 wt. % of a second LLDPE having density from 0.910 to 0.935 g/cm3; and a first inner layer and a second inner layer, where at least one of the first inner layer and the second inner layer comprises from 80 to 100 wt. % of a HDPE, where the HDPE has a density from 0.940 to 0.970 g/cm3; where the multi-layer blown film has a density from 0.925 to 0.940 g/cm3 and a total thickness of 15 to 150 ?m.

Abstract: Embodiments of the present disclosure are specifically related to LLDPE compositions produced from heterogeneous procatalyst compositions and blown and cast films incorporating these LLDPE compositions.

Abstract: Disclosed herein is a film comprising a layer that comprises a polyethylene composition comprising the reaction product of ethylene and optionally one or more alpha-olefin comonomers, wherein said polyethylene composition is characterized by the following properties: a melt index, I2, measured according to ASTM D1238 (2.16 kg, 190 C), of from 0.5 to 10 g/10 min; a density (measured according to ASTM D792) of less than 0.935 g/cm3; a melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg, 190 C) of from 6.0 to 7.5; a molecular weight distribution (Mw/Mn) of from 2.8 to 3.9; and a vinyl unsaturation of greater than 0.12 vinyls per one thousand carbon atoms, and a low density polyethylene.

Abstract: Embodiments disclosed herein include multilayer films having a cling layer, a core layer, and a release layer, wherein the cling layer comprises a propylene interpolymer and the core layer comprises a core layer polyethylene composition.

Abstract: The present invention discloses a process for forming a biaxially oriented film. The process includes first selecting a polyolefin resin wherein said polyolefin resin comprises a linear low density polyethylene resin characterized by having from 9 to 35 weight percent of the total weight of linear low density polyethylene resin eluting from a CEF at a temperature greater than 97.0° C.; and further characterized by having a CDR of from 33 to 80 and a Mw Ratio of from 0.15 to 0.45. Next a film is formed from the polyolefin resin selected in the first step. Finally the film formed in the second step is oriented in a sequential manner. The films produced by this process are characterized by having an ultimate elongation at least 1.5 times greater in the MD as compared to the CD and the 2% secant modulus is a least 1.25 times greater in the CD as compared to the MD.

Abstract: The heterogeneous procatalyst of this disclosure includes a titanium species; a hydrocarbon soluble transition metal compound having a structure M(OR1)z; a chlorinating agent having a structure A(Cl)x(R2)3-x, and a magnesium chloride component. M of M(OR1)z is a non-reducing transition metal other than titanium, the non-reducing transition metal being in an oxidation state of +2 or +3. Each R1 is independently (C1-C30)hydrocarbyl or —C(O)R11, where R11 is (C1-C30)hydrocarbyl. Subscript z of M(OR1)z is 2 or 3. Each R1 and R11 may be optionally substituted with one or more than one halogen atoms, or one or more than one —Si(RS)3, where each RS is (C1-C30)hydrocarbyl. A of A(Cl)x(R2)3-x is aluminum or boron; R2 is (C1-C30)hydrocarbyl; and x is 1, 2, or 3; and a magnesium chloride component.

Abstract: Provided is a method for increasing the melt strength and/or low shear viscosity of a polyethylene resin. The method includes: a) providing a polyethylene composition including the reaction product of ethylene and optionally, one or more alpha-olefin comonomers, wherein the polyethylene composition is characterized by the following properties: a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) ranging from 2.6 to 3.5, and from 0.10 to 0.27 vinyl groups per 1,000 total carbon atoms; b) providing a masterbatch composition including a free radical generator and a polyethylene resin, wherein the free radical generator has a half-life at 220° C. of less than 200 seconds, and a decomposition energy higher than ?250 kJ/mol, and wherein the polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.

Abstract: A high pressure, free radical polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene, using a polymerization system comprising the following: (A) a reactor configuration comprising at least one reactor that comprises at least two reaction zones, a first reaction zone (reaction zone 1) and an ith reaction zone (where i?2); wherein the ith reaction zone is the last reaction zone, and wherein i is the total number of reaction zones; (B) at least two ethylene-based feed streams, a first ethylene-based feed stream and an nth ethylene-based feed stream, wherein the first ethylene-based feed stream is sent to the first reaction zone, and the nth ethylene-based feed stream is the last ethylene based feed stream sent to the reactor configuration; wherein n?i; and RZn/RZ1 does not equal 1.