Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

Abstract: A composition comprising the following: A) an ethylene/alpha-olefin interpolymer having a density from 0.854 to 0.890 g/cc, and a melt index (I2) from 0.2 to 30 g/10 min; B) a silicone oil having a viscosity?5000 cSt, at 25° C.; and wherein component B is present in an amount from 1.0 wt % to 5.0 wt %, based on the weight of the sum weight of components A and B.

Abstract: A crosslinkable polyolefin composition comprising an ethylene/alpha-olefin copolymer elastomer having a melt index from 0.6 to 6.2 grams per 10 minutes, a crosslinking effective amount of an alkenyl-functional monocyclic organosiloxane, and from 0.29 to 0.44 wt % of an organic peroxide; products made therefrom; methods of making and using same; and articles containing same.

Abstract: Embodiments of a grafted polyethylene comprise a reaction product of a polyethylene having a melt index (at 190° C., 2.16 kg) of at least 0.75 g/10 min, from 0.5 wt. % to 10 wt. % of metal acrylate or metal methacrylate at least partially grafted on the polyethylene, and from 0.1 wt. % to 10 wt. % of one or more metal carboxylates, wherein the metal carboxylate does not have any terminal unsaturation.

Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

Abstract: The present disclosure provides a composition. In an embodiment, the composition includes (A) a nonfunctionalized propylene-based polymer, (B) a functionalized propylene-based polymer, and (C) a functionalized ethylene-based polymer. The functionalized propylene-based polymer (B) and the functionalized ethylene-based polymer (C) each have a different functional group, the functional group selected from the group consisting of an anhydride and an amine.

Abstract: Provided is a process to form a crosslinked composition. the process comprising applying heat. and optionally radiation. to a composition that comprises at least the following components a) and b): a) an olefin-based polymer that comprises a total unsaturation ? 0.20/1000 C: b) at least one peroxide selected from at least one of the following: i) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical I, ii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical II, iii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical III, iv) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical IV, or v) any combination of i) through iv); and wherein Radical I. Radical II. Radical III or Radical IV are each described herein.

Abstract: A process, and related composition, to form a crosslinked composition, the process comprising applying heat, and optionally radiation, to a composition that comprises at least the following components: a) elastomer, or an olefin-based polymer that has a density >0.920 g/cc, and wherein component a has a total unsaturation ?0.20/1000 C; b) a molecule comprising at least one Si—H group; c) at least one peroxide; and d) optionally, at least one crosslinking coagent different from component b. A process, and related composition, to form a crosslinked composition, the process comprising applying radiation, and optionally heat, to a composition that comprises the following components: a) elastomer, or an olefin-based polymer that has a density ?0.920 g/cc, and wherein component a has a total unsaturation ?0.20/1000 C; b) a molecule comprising at least one Si—H group.

Abstract: The present disclosure provides an article. In an embodiment, the article includes (A) a top layer composed of a composition composed of (i) from 51 wt % to 90 wt % of a propylene-based polymer, and (ii) from 10 wt % to 49 wt % of an ethylene/octene multi-block copolymer having hard segments and soft segments. The ethylene/octene multi-block copolymer has a soft segment melt temperature (SS-Tm) less than 2° C. The article also includes (B) a bottom layer composed of a textile.

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: A process to form a composition comprising an ethylene/vinylarene multiblock interpolymer, said process comprising polymerizing, in a single reactor, a mixture comprising ethylene, a vinylarene, and optionally an alpha-olefin, in the presence of at least the following a)-c): a) a first metal complex selected from the following Formula (A), as described herein: b) a second metal complex selected from the following Formula (B), as described herein, and c) a chain shuttling agent selected from the following: a dialkyl zinc, a trialkyl aluminum, or a combination thereof.

Abstract: The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and butene under polymerization conditions at a temperature greater than 125C with a catalyst system. The catalyst system includes (i) a first polymerization catalyst having the structure of Formula (III), (ii) a second polymerization catalyst having the structure of Formula (I), and (iii) a chain shuttling agent. The process includes forming an ethylene/butene multi-block copolymer having LCB/1000C greater than or equal to 0.06. The present disclosure provides the resultant composition produced by the process. In an embodiment, the composition includes an ethylene/butene multi-block copolymer having LCB/1000C greater than or equal to 0.06.

Abstract: The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and octene under polymerization conditions at a temperature greater than 125° C. with a catalyst system comprising (i) a first polymerization catalyst having the structure of Formula (III), a second polymerization catalyst having the structure of Formula (I), and (iii) a chain shuttling agent. The process includes forming an ethylene/octene multi-block copolymer having a normalized OOO triad content greater than 0.25. The present disclosure provides the resultant composition produced by the process. In an embodiment, the composition includes an ethylene/octene multi-block copolymer having a normalized OOO triad content greater than 0.25.

Abstract: Provided is a method of making a polymeric composition comprising (a) providing a dispersion of initial polyolefin particles in an aqueous medium, wherein the initial polyolefin particles comprise (i) one or more hydrocarbon polyolefin, (ii) one or more non-hydrocarbon polyolefin, and (iii) one or more crosslinking agent; (b) contacting the initial polyolefin particles with a peroxide initiator to form crosslinked polyolefin particles.

Abstract: A crosslinkable polyolefin composition comprising an ethylene/alpha-olefin copolymer elastomer having a melt index from 0.6 to 6.2 grams per 10 minutes, a crosslinking effective amount of an alkenyl-functional monocyclic organosiloxane, and from 0.29 to 0.44 wt % of an organic peroxide; products made therefrom; methods of making and using same; and articles containing same.

Abstract: A process to prepare an alpha composition comprising a first ethylene/alpha-olefin/interpolymer fraction and a second ethylene/alpha-olefin/interpolymer fraction; said process comprising polymerizing, in one reactor, a reaction mixture, comprising ethylene and an alpha-olefin, a biphenyl phenol metal complex selected from Structure 1, as described herein, and a biphenyl phenol metal complex selected from Structure 2, as described herein; and alpha compositions prepared therefrom.

Abstract: The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, (C) an activator, and (D) a chain shuttling agent.

Abstract: The present disclosure relates to unsaturated polyolefins and processes for preparing the same. The present disclosure further relates to curable formulations comprising the unsaturated polyolefins that show improved crosslinking.

Abstract: Semi-crystalline, thermoplastic polyolefin block copolymers comprising: (A) A first polyolefin A block comprising isotactic poly(1-butene) (iPB); (B) A polyolefin B block comprising an ethylene and/or alpha-olefin/1-butene copolymer or terpolymer; and (C) A second polyolefin A block comprising isotactic poly(1-butene) (iPB); the A and B blocks bonded to one another to form a block copolymer in which the first and second polyolefin A blocks are joined to and separated by the polyolefin B block. In one embodiment the polyolefin block copolymer is a BAB block copolymer.