Abstract: Disclosed are a polyolefin resin composition and a production method using same. The polyolefin resin satisfies the following conditions: (1) melt index (MI2.16, 190° C., under a load of 2.16 kg) is 0.1 to 1.5 g/10 min; (2) density is 0.91 to 0.93 g/cc; (3) polydispersity Index (Mw (weight-average molecular weight)/Mn (number-average molecular weight)) is 3 to 7; (4) Mz (Z-average molecular weight)/Mw (weight-average molecular weight) is 2.3 to 4.5; and (5) COI(Comonomer Orthogonal Index) value calculated by Equation 1 in the specification is 5 to 12. In Equation 1, “SCB number at Mz” represents average number of branches derived from comonomers per 1000 carbon atoms at Z-average molecular weight (Mz), and “SCB number at Mn” represents average number of branches derived from comonomers per 1000 carbon atoms at number-average molecular weight (Mn) based on a molecular weight-comonomer distribution graph.

Abstract: A bimodal polymer composition comprising a lower molecular weight homopolymer and a higher molecular weight copolymer wherein the bimodal polymer composition has a density of from about 0.930 gram per cubic centimeter (g/cc) to about 0.970 g/cc, a ratio of high load melt index:melt index of from about 10 to about 150 and an Environmental Stress Crack Resistance (ESCR) of from about 25 hours to about 300 hours when measured in accordance with ASTM D1693 or ASTM D2561. A chromium-catalyzed polymer composition comprising (i) a lower molecular weight homopolymer and (ii) a higher molecular weight copolymer, wherein the bimodal polymer composition has an Environmental Stress Crack Resistance (ESCR) of from about 25 hours to about 300 hours when measured in accordance with ASTM D1693 or ASTM D2561.

Abstract: Bimodal high-density polyethylene polymer compositions with increased high melt strength and good processability. The compositions comprise a base resin having a density of about 945 kg/m3 to about 955 kg/m3, and an ethylene polymer (A) having a density of at least about 968 kg/m3, in an amount ranging from 45% to 55% by weight and an ethylene polymer (B) having a density lower than the density of polymer (A). The composition has a complex viscosity at a shear rate of 0.01 rad/s ranging from about 200 to 450 kPa·s and a complex viscosity at a shear rate of 100 rad/s ranging from about 1900 to 2500 Pa·s. Articles made from these compositions, such as pipes and fittings achieve long-term oxidative resistance and have a low wall thickness variability while maintaining high production output.

Abstract: Butadiene-isoprene diblock copolymer formed by a block of crystalline polybutadiene (hard block) and by a block of amorphous polyisoprene (soft block). Said butadiene-isoprene diblock copolymer can be advantageously used both in the footwear industry (for example, in the production of shoe soles), and in the production of tires for motor vehicles and/or trucks.

Abstract: Provided herein are polyethylene films made of the polyethylene blends having improved properties, particularly in Elmendorf tear and puncture resistance. The polyethylene blends include two primary polyethylene blends.

Abstract: Embodiments relate to polyolefin compositions containing one or more high-density polyethylenes (HDPEs) and linear low-density polyethylenes (LLDPEs) and methods for forming the same. The polyolefin composition contains about 40 wt % to about 60 wt % of HDPE and about 40 wt % to about 60 wt % of LLDPE, by weight of the polyolefin composition. The HDPE has a density of greater than 0.93 g/cm3 and a melt index of about 0.2 dg/min to about 10 dg/min. The LLDPE has a density of less than 0.915 g/cm3 and a melt index of about 0.2 dg/min to about 10 dg/min. The polyolefin composition has a density of about 0.91 g/cm3 or greater, a melt index of about 0.5 dg/min to about 6 dg/min, and a Tw1?Tw2 value of about ?25° C. or less.

Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a plastomer (PL) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).

Abstract: A breathable thermoplastic polymer film may be produced and adapted for use as a breathable diaper backsheet. The film may include a blend of LLDPE, mLLDPE and calcium carbonate, and may have improved tear strength and melt strength such that instances of tears or break offs during the machine direction orientation portion of the production process are significantly reduced or eliminated. In addition, the film may have sufficient tear strength to permit omission of CDI processing needed to strengthen weaker prior art films. In this regard, undesired streaking of colors or printed aspects of the film may be reduced or avoided completely.

Abstract: An encapsulant film is made from a composition comprising (A) a non-polar ethylene-based polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a compound of Structure I wherein R1-R6 each is independently selected from the group consisting of hydrogen, a C1-C8 hydrocarbyl group, a C1-C36 substituted hydrocarbyl group, and combinations thereof.

Abstract: Crosslinkable insulation materials, which are commonly halogen-free, for use in wire and cable applications are provided. The insulation include a crosslinkable thermoplastic polymer and flame retardant material. The flame retardant material may include a metal hydroxide flame retardant, such as a magnesium, calcium, zinc and/or aluminum hydroxide. The crosslinkable thermoplastic polymer includes silane-grafted polymer blend, which includes a polyolefin plastomer blended with one or more other thermoplastic polymers. The crosslinkable thermoplastic polymer may be curable by exposure to moisture and may include moisture curable silane functionality in the crosslinkable thermoplastic polymer.

Abstract: A thermoplastic elastomer composition contains component (A-2), component (B), and component (C). The content of component (A-2) is 5 parts by weight or more and 95 parts by weight or less with respect to 100 parts by weight of the total amounts of components (A-2) and (B), and the content of component (C) is 0.005% by weight or more and 3% by weight or less with respect to 100% by weight of the whole amount of the thermoplastic elastomer composition. Component (A-2) is a crosslinked product of component (A-1), which is an ethylene copolymer containing a monomer unit derived from propylene and/or ?-olefins having 4 to 10 carbon atoms, and a monomer unit derived from ethylene, and having a Mooney viscosity (ML1+4, 125° C.) of 50 or more. Component (B) is a propylene polymer and component (C) is an antifungal agent.

Abstract: Multi-layer films for making bags for containing flowable materials, in particular to large bags for dairy products. The multi-layer films have an outer and an inner sealant layer and a core layer and optionally, an interposed layer positioned between the outer sealant layer and the core layer and between the core layer and the inner sealant layer. The outer and inner sealant layers contain an ethylene/?-olefin interpolymer composition and the intermediate layer optionally contains this interpolymer composition.

Abstract: The present invention provides an adhesive composition including an ethylene/alpha-olefin copolymer; and a tackifier, wherein the ethylene/alpha-olefin copolymer has narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, uniform crystallinity, thereby showing excellent physical properties.

Abstract: Disclosed is a polypropylene with an MFR of at least 20 g/10 min comprising a homopolypropylene and within a range from 2 wt % to 20 wt % of a propylene-?-olefin copolymer by weight of the polypropylene, where the homopolypropylene has a MFR within a range from 30 g/10 min to 200 g/10 min, where the propylene-?-olefin copolymer comprises within a range from 30 wt % to 50 wt % ?-olefin derived units by weight of the propylene-?-olefin copolymer, and has an IV within a range from 4 to 9 dL/g. The polypropylene may be obtained by combining a Ziegler-Natta catalyst having two transition metals with propylene in reactors in series to produce the homopolypropylene followed by a gas phase reactor to produce a propylene-?-olefin copolymer blended with the homopolypropylene.

Abstract: The present disclosure relates to polymer resins, fibers, and yarns with permanent antimicrobial activity, and a method of producing the same. In one embodiment, the antimicrobial polymer resin comprises a polymer having less than 2500 ppm of zinc dispersed within the polymer, less than 1000 ppm of phosphorus, wherein the weight ratio of zinc to phosphorus is at least 1.3:1 or less than 0.64:1.

Abstract: The present invention can provide a fiber-reinforced expanded particle molded article having a reinforcing material fused and integrated with the surface of an expanded molded article, wherein the reinforcing material is a fabric or a braided product produced by weaving a linear composite material produced by melting and integrating a thermoplastic fiber comprising a low-melting component fiber and a high-melting component fiber, as two or more threads selected from the group consisting of a warp, a weft and a slant thread, the fiber-reinforced expanded particle molded article exhibiting an excellent reinforcing effect; and a method for economically producing the molded article by in-mold molding with a small number of steps.

Abstract: Catalyst compositions containing a metallocene compound, a solid activator, and a co-catalyst, in which the solid activator or the supported metallocene catalyst has a d50 average particle size of 15 to 50 ?m and a particle size distribution of 0.5 to 1.5, can be contacted with an olefin in a loop slurry reactor to produce an olefin polymer. A representative ethylene-based polymer produced using the catalyst composition has excellent dart impact strength and low gels, and can be characterized by a HLMI from 4 to 10 g/10 min, a density from 0.944 to 0.955 g/cm3, a higher molecular weight component with a Mn from 280,000 to 440,000 g/mol, and a lower molecular weight component with a Mw from 30,000 to 45,000 g/mol and a ratio of Mz/Mw ranging from 2.3 to 3.4.

Abstract: A composition that includes: (a) from 65 to 85% by weight of polypropylene homopolymer in powder form, the average particle size of which is micrometric, (b) from 14 to 30% by weight, preferably 14 to 25% by weight, of natural fibers less than or equal to 2 mm in length, and (c) from 1 to 3% by weight of compatibilizer, its uses for the preparation of a composite material by extrusion, wherein this composite material is useful for preparing a part by injection, in particular a vehicle part whose rigidity is improved.

Abstract: Provided is a heterophasic propylene polymer material having excellent low temperature impact resistance, tensile strength, and tensile elongation. A heterophasic propylene polymer material contains a propylene homopolymer component (A), and an ethylene-propylene copolymer component (B1) and an ethylene-propylene copolymer component (B2) having different formulations from each other, wherein a content of the propylene homopolymer component (A), a content of the ethylene-propylene copolymer component (B1), and a content of the ethylene-propylene copolymer component (B2) are 40 to 70 parts by mass, 15 to 54 parts by mass, and 6 to 15 parts by mass, respectively, with respect to 100 parts by mass of a total content of the propylene homopolymer component (A) and the ethylene-propylene copolymer components (B1) and (B2).

Abstract: A resin composition for injection forming containing a high-density polyethylene, an ethylene-vinyl alcohol copolymer and an acid-modified linear low-density polyethylene, characterized in that the ethylene-vinyl alcohol copolymer is contained in an amount of 35 to 90 parts by mass and the acid-modified linear low-density polyethylene is contained in an amount of 10 to 35 parts by mass per 100 parts by mass of the high-density polyethylene.

Abstract: A polypropylene composition made from or containing a polymer made from or containing: (i) component (1) made from or containing a propylene homopolymer having MFR of 100 to 300 (at a temperature of 230° C. under a load of 2.16 k(g) and containing more than 97.5% by weight of xylene insolubles (XI), wherein XI has a Mw/Mn of 4 to 10; (ii) component (2) made from or containing an ethylene/propylene copolymer containing 15 to 50% by weight of an ethylene-derived unit; wherein 1) relative proportions of component (1) and component (2) are, respectively, not less than 50 parts by weight but less than 70 pbw and more than 30 pbw but not more than 50 pbw, 2) intrinsic viscosity of xylene solubles (XSIV) of the polymer is in the range of 1.5 to 4.0 dl/g, 3) MFR of the polymer is in the range of 20 to 100 g/10 min.

Abstract: Methods for scale-up from a pilot plant to full production of a bimodal polymer product having a density, melt index, and a melt index ratio are provided herein. The methods provide for adjusting reactor conditions and catalyst ratio of a bimodal catalyst system to optimize the transition from single catalyst to bimodal polymer compositions on a full-scale process plant consistent with pilot plant development.

Abstract: Methods for scale-up from a pilot plant to a larger production facility of a bimodal polymer product having a density, a melt index and melt index ratio are provided herein.

Abstract: Disclosed are ethylene polymer compositions containing a homogeneously-branched first ethylene polymer component and 15-35 wt. % of a homogeneously-branched second ethylene polymer component of higher density than the first ethylene polymer component. The ethylene polymer composition can be characterized by a density from 0.912 to 0.925 g/cm3, a ratio of Mw/Mn from 2 to 5, a melt index less than 2 g/10 min, and a CY-a parameter at 190° C. from 0.35 to 0.7. These polymer compositions have the excellent dart impact strength and optical properties of a metallocene-catalyzed LLDPE, but with improved machine direction tear resistance, and can be used in blown film and other end-use applications. Further, methods for improving film Elmendorf tear strength also are described.

Abstract: An aqueous resin dispersion with which excellent adhesiveness to a polyolefin base material such as a polypropylene base material can be easily obtained, which can be baked at low temperature, and which is for producing an aqueous coating material; and an aqueous coating material and an adhesive which contain the aqueous resin dispersion, are provided. In an aqueous resin dispersion (C) of the present invention, an olefin polymer (A) and a polymer (B) containing a constitutional unit derived from a radically polymerizable monomer (b1) having a reactive functional group are dispersed in an aqueous medium, a median diameter of the aqueous resin dispersion (C) measured by a dynamic light scattering method is 300 nm or less, and a dry product of the aqueous resin dispersion (C) contains 1 mass % or more of an insoluble component (D) that is insoluble in tetrahydrofuran.

Abstract: The present disclosure relates to a polyethylene resin composition exhibiting excellent processability and bubble stability, which can provide a film or fiber having excellent physical properties through various processes. The polyethylene resin composition includes a first polyethylene resin having a density of 0.950 g/cm3 to 0.960 g/cm3, a weight average molecular weight of 80000 g/mol to 100000 g/mol and a molecular weight distribution of 3.3 to 4.0; and a second polyethylene resin having a density of 0.950 g/cm3 to 0.960 g/cm3, a weight average molecular weight of 500000 g/mol to 600000 g/mol and a molecular weight distribution of 1.3 to 2.0.

Abstract: The present invention deals with a new unimodal propylene-ethylene random copolymer providing improved resistance against gamma irradiation as well as compositions comprising the new unimodal propylene-ethylene random copolymer and final articles made therefrom.

Abstract: A multilayer film made from or containing a core layer made from or containing a polypropylene composition made from or containing: A) from 90 wt % to 50 wt %; of a propylene homopolymer; and B) from 10 wt % to 50 wt %; of a propylene ethylene copolymer having: i) xylene soluble fraction at 25° C. ranging from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 1.0 to 2.4 dl/g; iii) melt flow rate ranging from 1.0 g/10 min to 4.0 g/10 min; iv) an ethylene content ranging from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content on the fraction insoluble in xylene at 25° C. ranging from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content on the fraction soluble in xylene at 25° C. ranging from 15.2. wt % to 30.2 wt %, the sum of A) and B) being 100 wt %.

Abstract: The present disclosure provides a composition comprising: (A) a polypropylene polymer; (B) a polyolefin elastomer; (C) a polymer comprising an acetoacetyl functional group; and (D) a compatibilizer component. The present disclosure also provides an article made from the composition.

Abstract: Disclosed are ethylene polymer compositions containing a homogeneously-branched first ethylene polymer component and 15-35 wt. % of a homogeneously-branched second ethylene polymer component of higher density than the first ethylene polymer component. The ethylene polymer composition can be characterized by a density from 0.912 to 0.925 g/cm3, a ratio of Mw/Mn from 2 to 5, a melt index less than 2 g/10 min, and a CY-a parameter at 190° C. from 0.35 to 0.7. These polymer compositions have the excellent dart impact strength and optical properties of a metallocene-catalyzed LLDPE, but with improved machine direction tear resistance, and can be used in blown film and other end-use applications. Further, methods for improving film Elmendorf tear strength also are described.

Abstract: Provided is a stretchable film having excellent stretchability and excellent air permeability. Also provided is an article including such stretchable film. The stretchable film of the present invention includes an olefin-based resin and a filler.

Abstract: A polypropylene composition made from or containing (i) component (1) made from or containing a propylene/ethylene copolymer containing 2 to 4% by weight of an ethylene-derived unit, based upon the total weight of the propylene/ethylene copolymer; and (ii) component (2) made from or containing an ethylene/propylene copolymer containing 65 to 87% by weight of an ethylene-derived unit, based upon the total weight of the ethylene/propylene copolymer; wherein the polypropylene composition has 1) a weight ratio of component (1) to component (2) in the range of 65:35 to 77:23, 2) an intrinsic viscosity of xylene solubles (XSIV) in the range of 0.8 to 1.4 dl/g, 3) a MFR (at 230° C. under a load of 2.16 kg) in the range of 15 to 40 g/10 min., and 4) the absence of a crystal nucleating agent.

Abstract: A polyethylene blend comprising a uniform dispersion of constituents (A) and (B): (A) a Ziegler-Natta catalyst-made linear low density polyethylene and (B) a metallocene catalyst-made linear low density polyethylene, a composition comprising the polyethylene blend and at least one additive, methods of making and using same, and manufactured articles and films comprising or made from same.

Abstract: Rotomolded articles, especially flexible rotomolded articles are made from an ethylene interpolymer product having a melt index, I2 of from 2.5 to 8.0 g/10 min, a density of from 0.905 to 0.920 g/cm3; and a Dilution Index, Yd, greater than 0. The ethylene interpolymer product comprises: (I) a first ethylene interpolymer; (II) a second ethylene interpolymer, and; (III) optionally a third ethylene interpolymer.

Abstract: Disclosed herein is a film comprising a polymer blend, the polymer blend comprising a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C. Disclosed herein too is a method of manufacturing a film comprising blending a first polyolefin elastomer having a weight average molecular weight of 120,000 to 350,000 grams per mole; and a second polyolefin elastomer having a weight average molecular weight of 15,000 to 75,000 grams per mole to form a polymer blend; wherein the overall melt index of the polymer blend is less than 8 g/10 minutes when measured as per ASTM D1238 at 2.16 kilograms at 190° C.; and forming the polymer blend into a film.

Abstract: The present invention provides polyolefin resin composition exhibiting excellent long term durability as well as improved properties, and an article prepared using the same.

Abstract: A packaging is provided including: a base layer including at least one layer of a biaxially oriented resin film; and a sealant layer including at least a first thermoplastic resin layer and a second thermoplastic resin layer, in which the base layer, the first thermoplastic resin laser, and the second thermoplastic resin layer are laminated in this order, a density of a first resin forming the first thermoplastic resin layer is higher than a density of a second resin forming the second thermoplastic resin layer, the density of the first resin is 0.90 g/cm3 or higher, the density of the second resin is 0.92 g/cm3 or lower, and the second thermoplastic resin layer contains 200 to 2000 ppm of a lubricant including at least one of a fatly acid amide lubricant and a fatty acid ester lubricant.

Abstract: The present invention relates to a polyolefin composition, the use of the polyolefin composition in a compound with one or more virgin polymers for automotive articles or applications, pipes or profiles for construction applications, the use of a heterophasic polypropylene (HECO) as compatibilizer for polyolefin blends A) between a copolymer of ethylene and one or more C4 to C19 alpha olefin B) and a reinforcing mineral filler D) as well as a process for producing the polyolefin composition.

Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 98

Abstract: A polyolefin composition made from or containing: T1) 70-95 wt %, of a polyolefin component containing: a1) from 30 wt % to 70 wt % of a propylene based polymer; and a2) from 30 wt % to 70 wt % of an ethylene based polymer; and T2) 5-30 wt % of a polyolefin component containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing 0.1-20% by weight of C3-C8 alpha-olefin units; and C) 30-60% by weight of a copolymer of ethylene and propylene containing 25-75% by weight of ethylene units.

Abstract: A polymer composition of polypropylene copolymer and 1 to 50% by weight of hard resin. The polypropylene copolymer is either an impact copolymer or a random copolymer. The polymer composition can be used to make injection stretch blow molded articles having improved top load strength.

Abstract: A film including a resin component is provided. The resin density is 900 kg/m3 or more and 930 kg/m3 or less. The load length ratio (Tp(50)) at cutting level 50% of the surface roughness curve of at least one film surface is 0.01% or more and 29.0% or less.

Abstract: An ethylene/1-hexene copolymer has a density from 0.9541 to 0.9600 gram per cubic centimeter (g/cm3), a molecular mass dispersity (DM=Mw/Mn) from greater than 2.0 to 3.5; and a Z-average molecular weight (Mz) from 120,000 to 240,000 grams per mole (g/mol). Methods of making and using same. Articles containing same.

Abstract: Embodiments disclosed herein include multilayer films having a cling layer and a release layer, wherein the cling layer comprises (i) an ethylene/alpha-olefin elastomer, and (ii) a polyethylene polymer selected from ultra-low density polyethylene, a very low density polyethylene, or combinations thereof, and the release layer comprises a low density polyethylene (LDPE) having a density of from 0.915 to 0.930 g/cc, a melt index, I2, of from 1.0 to 30.0 g/10 min, and a molecular weight distribution, (Mw/Mn), as measured by the conventional calibration of triple detector gel permeation chromatography, of from 3.0 to less than 7.0.

Abstract: A resin molded body includes: a polyolefin element formed of polyolefin, including a crystalline region and an amorphous region; and a hydrophilic copolymer contained in at least part of a surface of the polyolefin element, the hydrophilic copolymer including a copolymer of 2-methacryloyloxyethyl phosphorylcholine (MPC) of 45% or greater on a mole fraction basis and at least one other monomer. In the resin molded body, the MPC polymer is immersed through the surface by applying heat treatment.

Abstract: The present invention relates to the use of a at least a part of a polymer layer comprising a composition (Co), the composition comprising a low density polyethylene (LDPE) produced in a tubular reactor which composition is free of additives as a thermoplastic surface of an extrusion coated structure comprising the polymer layer and a first substrate for preparing heat-sealed articles by heat-sealing of said thermoplastic surface with a second substrate; and The use of a at least a part of a polymer layer comprising a composition (Co), the composition comprising a low density polyethylene (LDPE) having a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) higher than 3.

Abstract: The present invention relates to a continuous vapor phase olefin polymerization process comprising polymerization of at least one olefin monomer in at least two serial polymerization reactors containing an agitated bed of forming polymer particles, wherein forming polymer particles are transferred from an upstream reactor to a downstream reactor, wherein the upstream reactor is a horizontal stirred reactor containing multiple reaction zones, each reaction zone having at least one inlet for a gaseous stream and optionally additionally an inlet for a liquid stream, wherein said process reduces the carry over of undesired reactive gases from the upstream reactor to the downstream reactor. The present invention further relates to a system suitable for the present continuous vapor phase olefin polymerization process. The present invention further relates to the use of the present process and system for producing heterophasic polypropylene.

Abstract: The present disclosure provides a composition comprising: (A) a polypropylene polymer; (B) a polyolefin elastomer; (C) a polyacetoacetate compound having the Formula (I); and (D) an additive component. The present disclosure also provides an article made from the composition.

Abstract: A process for producing ethylene polymer including compressing ethylene monomer in one or more compressors to a pressure from 1000 bar to 3000 bar; introducing the compressed ethylene monomer into one or more reactors; introducing a blend comprising an initiator and a modifier into the reactor where the ethylene monomer polymerizes forming a reaction mixture comprising unreacted ethylene monomer and ethylene polymer; and separating the ethylene polymer from the reaction mixture.

Abstract: Polymer compositions comprising at least two polyethylene polymers, for example, recycled polymer compositions, methods for the production thereof, the use of functional fillers in said compositions, and articles formed from the polymer compositions. Pipe having at least one wall, the pipe having a nominal inside diameter of at least about 400 mm and a SN of at least about 4, and wherein the at least one wall comprises at least about 25% by weight of recycled polymer, based on the total weight of the at least one wall.