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.

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: Disclosed relates to unsaturated polyolefins and processes for preparing the same. Disclosed 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 relates to novel telechelic poly-olefins of the formula (I) and processes for preparing the same. The present disclosure further relates to curable formulations comprising the telechelic polyolefin of the formula (I).

Abstract: Foam compositions comprise at least an ethylene/?-olefin interpolymer. The ethylene/?-olefin interpolymers of the present disclosure are multi-block copolymers comprising at least one soft block and at least one hard block. The foam compositions can further comprise a blowing agent and a cross-linking agent. Methods of making the foam compositions and foamed articles made from the foam compositions are also described.

Abstract: A composition comprising the following: A) coated polymer particles, and wherein the polymer particles are formed from a first composition comprising an ethylene-based polymer that comprises the following properties: a density from 0.854 to 0.860 g/cc, and a melt index (I2) from 4.0 to 15.0 g/10 min; and wherein the polymer particles comprise a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate and/or a polymer powder, and wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0; B) optionally, a propylene-based polymer.

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: Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.

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.