Abstract:
A thermoplastic vulcanizate composition includes (a) a crystalline thermoplastic polyolefin comprising alpha-olefin monomers having from 2 to 5 carbon atoms, (b) a rubber block interpolymer comprising a first block and a second block having differing chemical or physical properties from the first block, the first block is derived from ethylene, a first alpha-olefin monomer having from 3 to 10 carbon atoms, and a first diene monomer having from 2 to 25 carbon atoms, the second block is derived from ethylene, a second alpha-olefin monomer having from 3 to 10 carbon atoms, and optionally a second diene monomer having from 2 to 25 carbon atoms, and an amount of the block interpolymer in the composition being greater than an amount of the thermoplastic polyolefin in the composition, and (c) a curative system.
Abstract:
A dicarbamate telechelic unsaturated polyolefin pre-polymer comprising a reaction product of reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions is provided.
Abstract:
Embodiments of multilayer film structures comprise at least one elastic layer comprising thermoplastic elastomer, at least one barrier layer comprising ethylene vinyl alcohol, polyamides, polyvinylidene chloride, or combinations thereof, and at least Cone tie layer disposed between and adhering the at least one elastic layer to the at least one barrier layer, wherein the at least one tie layer comprises thermoplastic elastomer and functionalized olefin-based polymer.
Abstract:
Embodiments of the invention provide a reinforced polypropylene comprising a multi-modal molecular weight distribution elastomer and a block composite.
Abstract:
A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-cis-cyclooctene and optionally cis-cyclooctene, in the presence of a difunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer is provided. Further provided are unsaturated and hydrogenated reactive pre-polymers, crosslinked elastomers and high molecular weight elastomers.
Abstract:
Disclosed herein is a foam composition comprising an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an ionomer that comprises copolymer of ethylene and a carboxylic acid; where the ionomer is neutralized with a metal ion; a crosslinking agent; and a blowing agent. Disclosed herein is a method of manufacturing a foam composition comprising blending together an olefin copolymer that comprises ethylene and an α-olefin or propylene and an α-olefin; an ionomer that comprises copolymer of ethylene and a carboxylic acid; where the ionomer is neutralized with a metal ion; a crosslinking agent; and a blowing agent to form the foam composition; heating the composition to activate the blowing agent; and crosslinking the composition.
Abstract:
A composition comprising from 10 wt % to 86 wt % of an ethylene component including at least one ethylene based polymer having an ethylene content of at least 50.0 wt %, a melt index from 0.1 g/10 min to 100.0 g/10 min, and a density from 0.935 g/cm3 to 0.965 g/cm3; from 10 wt % to 86 wt % of a propylene component including at least one propylene based polymer having a propylene content of at least 50.0 wt % and a melt flow rate from 0.5 g/10 min to 200.0 g/10 min; from 2 wt % to 22 wt % of an octene component including at least one octene based polymer having an octene content of at least 80 wt %; and from 2 wt % to 20 wt % of a composite component including at least one selected from the group of a crystalline block composite and a specified block composite, derived from at least ethylene and an alpha-olefin.
Abstract:
A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.90 g/cc or less, and (iv) a Brookfield viscosity of less than 50,000 centipoise, (B) 1-60 wt % of a crystalline block composite comprising: (1) a crystalline ethylene based polymer; (2) a crystalline alpha-olefin based polymer derived from at least one of a C3-10 a-olefin; and (3) a block copolymer comprising 10-90 wt % of a crystalline ethylene block comprising greater than 90 mol % units derived from ethylene and comprising 10-90 wt % of a crystalline alpha-olefin block comprising greater than 90 mol % units derived from at least one of a C3-10 a-olefin, (C) Optionally, from greater than zero to 70 wt % tackifier, and (D) Optionally, from greater than zero to 40 wt % of at least one selected from the group of a wax and an oil.
Abstract:
A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-c/5-cyclooctene and optionally czs-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions to form a dicarbamate telechelic unsaturated polyolefm pre-polymer is provided.
Abstract:
A comprising includes one or more polyethylene, one or more polypropylene, one or more polyolefin elastomer, and a crystalline block composite having the following three components: (i) a crystalline ethylene based polymer, (ii) a crystalline propylene based polymer, and (iii) a block copolymer having a crystalline ethylene based block and a crystalline propylene block. The composition of component (i) is the same as the crystalline ethylene based block of the block copolymer and the composition of component (ii) is the same as the crystalline propylene block of the block copolymer. The composition is useful for forming rotomolded articles.