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: Embodiments of polymer blends may include a first polymer composition and a second polymer composition. The first polymer composition may include a polyolefin having a thermal transition temperature of at least 100° C. and a graftable monomer having at least one acid or anhydride functional group grafted onto the polyolefin. The second polymer composition may include an E/X/Y ethylene interpolymer, wherein E is an ethylene monomer and comprises greater than 50 wt. % of the interpolymer, X is an ?,?-unsaturated C3-C8 carboxylic acid and comprises greater than 0 to 25 wt. % of the interpolymer, and Y is an optional comonomer comprising C1-C8 alkyl acrylate.

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: The present disclosure provides a process and resultant composition. In an embodiment, the process includes providing an ethylene/propylene/non-conjugated polyene terpolymer (EPDM) having at least 3.5 wt % non-conjugated polyene. The process includes reacting the EPDM with a metal-Lewis acid, and forming a rheology-modified EPDM. The rheology-modified EPDM has (i) a z average molecular weight (Mz) from greater than 500,000 g/mole to 10,000,000 g/mole, (ii) a Mz/Mw from 3 to 10, (iii) a g value from 0.4 to 1.0, (iv) a z value from 1.0 to 3.5, (v) a Mooney viscosity from 50 to 150, and (vi) a tan delta value from 0.1 to less than 1.0.

Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.

Abstract: A polymeric composition includes 10 wt % to 80 wt % of a silane-grafted ethylene polymer based on a total weight of the polymeric composition. The silane-grafted ethylene polymer has a silane content of 0.40 mol % to 1.50 mol % based on a total moles of the silane-grafted ethylene polymer and the ethylene polymer used to make the silane-grafted ethylene polymer has a polar comonomer content of less than 15 wt % based on a total weight of the ethylene polymer. The polymeric composition also includes 10 wt % to 80 wt % of a flame-retardant filler based on a total weight of the polymeric composition.

Abstract: The present disclosure provides a process. In an embodiment, the process includes providing a neat ethylene/ propy-lene/non-conjugated polyene terpolymer (n-terpolymer) having a Mooney viscosity (ML (1+4) at 125C) less than 100 Mooney units (MU). The process includes exposing the n-terpolymer to electron beam radiation at a dosage from 0.2 megaRad (MRad) to 1.3 MRad. The process includes forming a branched ethylene/propylene/non-conjugated polyene terpolymer (b-terpolymer) having a Mooney viscosity ML (1+4) at 125C from 25 MU to 135 MU.

Abstract: The present disclosure provides a packaging process and the resultant package produced from the process. The process includes introducing, into a mixing device, pellets composed of ethylene/propylene/diene polymer (EPDM). The EPDM comprises greater than 60 wt % units derived from ethylene. The pellets have a residual moisture content from 500 ppm to 2500 ppm. The process includes adding a silica-based powder to the mixing device and coating at least a portion of the pellets with the silica-based powder. The process includes sealing a bulk amount of the coated pellets in a bag made of a flexible polymeric film. The process includes absorbing, with the silica-based powder, the residual moisture from the pellets, and preventing moisture condensation in the bag interior for a period from 7 days after the sealing step to 1000 days after the sealing step.

Abstract: The present disclosure provides a composition. In an embodiment, the composition includes a non-irradiated ethylene/propylene/non-conjugated polyene terpolymer (nr-terpolymer) and a branched ethylene/propylene/non-conjugated polyene terpolymer (b-terpolymer). The b-terpolymer has: (A) a Mooney viscosity (ML 1+4 @ 125° C.) from 35 MU to 120 MU; (B) a rheology ratio from 55 to 110; and (C) a phase angle ? from 20° to 39°.

Abstract: Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt % of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt % of a silanol condensation catalyst; and (C) 0 to 70 wt % of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.

Abstract: An apparatus to batch or continuously form solid polymer particles, the apparatus comprising the following components: A) at least one pastillation unit comprising a pastillation head, said unit used to form discrete molten polymer particles from a polymer melt; B) a moving belt to receive and transfer the discrete molten polymer particles from the pastillation head; C) a means to transfer water onto the moving belt, such that the water comes into contact with the discrete molten polymer particles on the moving belt to form the solid polymer particles; and wherein the water of component C is sprayed onto the discrete molten polymer particles, such that the ratio of “the rate of water spray” to “the discharge rate” is ?3.0; and wherein the belt residence time is ?50 seconds.

Abstract: A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a portion of the reaction product to at least one devolatilization to form a polymer-rich melt, wherein step b) occurs downstream from and in-line with step a); and c) reacting at least a portion of the polymer-rich melt with at least one functionalization agent and, optionally, at least one free-radical initiator to form the first composition, wherein step c) occurs downstream from and in-line with step b), wherein “the viscosity of the functionalized olefin-based polymer (177° C./350° F.)” to “the viscosity of the olefin-based polymer (177° C./350° F.)” is from 0.1 to 5.0.

Abstract: Embodiments are directed to a tie layer composition comprising functionalized polyethylene, styrene block copolymer, base polyethylene, and antioxidant co-stabilizers, wherein the antioxidant co-stabilizers comprise at least one oxygen scavenger, at least one peroxy free radical scavenger, and at least one alkyl free radical scavenger. Further embodiments are directed to multilayer films or sheets which include the tie layer composition.

Abstract: A process to form an olefin-based polymer, said process comprising at least the following steps: a) polymerizing a reaction mixture comprising an olefin, in at least one reactor, in a solution polymerization, to form a polymer solution; b) feeding at least a portion of the polymer solution through at least one devolatilizer, to form the olefin-based polymer, in melt form; c) feeding at least a portion of the olefin-based polymer, in melt, form through a heat exchanger, and then into a pastillation apparatus to form polymer particles.

Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.

Abstract: The disclosure relates to a tie resin formulation for use as a tie layer in a multilayer structure. The resin includes a first polyolefin grafted with an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated acid derivative or a combination thereof, and having a density of 0.857 to 0.885 g/cm3, and 0.001 to 0.20 weight percent (wt. %) of a catalyst comprising at least one Lewis acid, where the resin includes the catalyst and up to 99.999 wt. % of the first polyolefin, where the wt. % is based on a total weight of the resin.

Abstract: The present invention provides resins that can be used as a tie layer in a multilayer structure and to multilayer structures including one or more tie layers formed from such resins. In one aspect, a resin for use as a tie layer in a multilayer structure that includes a high density polyethylene having a density greater than 0.960 g/cm3, wherein the high density polyethylene includes 1 to 99 weight percent of the resin, a maleic anhydride grafted high density polyethylene, wherein the maleic anhydride grafted high density polyethylene includes 1 to 99 weight percent of the resin, and a catalyst including at least one Lewis acid.

Abstract: A process to form a functionalized ethylene-based polymer composition comprises reacting an ethylene-based polymer composition in at least one extruder with at least one functionalization agent and at least one free radical initiator at a melt temperature of greater than or equal to 200° C. The functionalized ethylene-based polymer composition has a yellowness index (YI) value of less than or equal to 45 and a functionalization content of greater than or equal to 2.0 wt %, based on the weight of the functionalized ethylene-based polymer composition.

Abstract: A process to form a functionalized ethylene-based polymer composition comprises reacting an ethylene-based polymer composition in at least one extruder with at least one functionalization agent and at least one free radical initiator at a melt temperature of greater than or equal to 200° C. The functionalized ethylene-based polymer composition has a yellowness index (YI) value of less than or equal to 45 and a functionalization content of greater than or equal to 2.0 wt %, based on the weight of the functionalized ethylene-based polymer composition.

Abstract: Articles made from a moisture-crosslinkable, polymeric composition comprising in weight percent based on the weight of the composition: (A) 10 to 99.99 wt % of a nonpolar ethylenic polymer grafted with silane functionality (Si-g-npPE), the npPE having the following properties before grafting: (1) a vinyl content of 0.2 to 0.7 per 1,000 carbon atoms, (2) a melt index of 1.5 to 7.0 dg/min, (3) a density of 0.913 to 0.965 g/cc, and (4) a molecular weight distribution (Mw/Mn) of equal to or less than 8; (B) 0.01 to 20 wt % of a silanol condensation catalyst; and (C) 0 to 70 wt % of a flame retardant additive; exhibit one or more of desirable (a) silane grafting efficiency; (b) hot creep performance as a cable jacket/insulation after moisture crosslinking; (c) retained dielectric strength after glancing impact as a moisture crosslinked cable construction; and (d) crush resistance as a moisture crosslinked cable construction.