Abstract: A hot melt adhesive (HMA) composition comprises: a) an ethylene/alpha-olefin multi-block interpolymer that has a melt viscosity (177° C.)?50,000 mPa·s; b) an anhydride and/or carboxylic acid functionalized propylene-based polymer that has a melt viscosity (190° C.)?50,000 mPa·s; c) a tackifier; and d) a wax. Such composition delivers both a high temperature heat resistance and a fast set time.

Abstract: The present disclosure provides an article. The article includes a crosslinked foam composition, an adhesive layer, and a substrate composed of an olefin-based polymer. The crosslinked foam composition includes an ethylene/?-olefin multi-block copolymer, an ethylene/propylene/diene terpolymer (EPDM), optional silicone rubber, optional blend component selected from ethylene/?-olefin random copolymer, ethylene-vinyl acetate copolymer (EVA), styrene-butadiene block copolymer, hydrogenated styrene-butadiene block copolymer, and combinations thereof, optional plasticizer, optional filler, and optional additive.

Abstract: A composition contains (A) an ethylene/a-olefin copolymer having a density from 0.855 g/cc to 0.895 g/cc and a melt viscosity, at 177° C., from 5,000 mPa-s to 50,000 mPa-s; (B) a functionalized propylene-based polymer containing from 1 wt % to 10 wt % functional groups, the functionalized propylene-based polymer having a melt viscosity, at 190° C., from greater than 10,000 mPa-s to 50,000 mPa-s and a weight average molecular weight, Mw, greater than 30,000 g/mol; (C) a tackifier; and (D) a wax.

Abstract: The present disclosure provides an electrochemical cell. In an embodiment, the electrochemical cell includes a separator disposed between an optional anode and an optional cathode. The separator includes (A) a porous substrate and (B) a porous coating layer on the substrate. The porous substrate (A) is composed of an olefin-based polymer having a melting point, Tm, greater than 130° C. The porous coating layer (B) has a melting temperature from 80° C. to 110° C. The porous coating layer (B) is composed of a plurality of microparticles, and an optional binding agent. The microparticles have an average particle size from 0.3 microns to 1.5 microns. The microparticles are composed of (i) an ethylene-based polymer, having (a) a density from 0.90 g/cc to less than 0.94 g/cc, (b) a Tm from 90° C. to 120° C., (c) a melt index from 30 g/10 min to 600 g/10 min. The microparticles also include (ii) a dispersant composed of a C14-C40 aliphatic fatty acid.

Abstract: The present disclosure provides a composition. The composition contains (A) an ethylene/?-olefin copolymer containing (i) ethylene and (ii) from 20 wt % to 35 wt % C6-C8 ?-olefin comonomer, the ethylene/?-olefin copolymer having a density from 0.880 g/cc to 0.895 g/cc, a melt viscosity, at 177° C., from 4,000 mPa·s to 20,000 mPa·s, and a glass transition temperature from ?55° C. to ?20° C.; (B) a tackifier, and (C) a wax.

Abstract: A composition comprising at least the following components: a) at least one olefin-based interpolymer that comprises the following properties: i) a melt index (I2)?30 dg/min or a melt flow rate (MFR)?30 dg/min, b) a tackifier; and wherein the composition has a melt index (I2)?10 g/10 min.

Abstract: It provides embodiments of a reactive hot melt adhesive. In embodiments, the reactive hot melt adhesive may comprise at least one isocyanate compound, at least one polyester polyol, at least one polyether polyol, and at least one thermoplastic polymer. The at least one thermoplastic polymer may have a viscosity less than 75,000 cP at 177° C. The thermoplastic polymer may comprise ethylene-acrylic-carbon monoxide terpolymer, ethylene-(C3-C12) alkylene-acrylic-carbon monoxide tetrapolymer, or both.

Abstract: A process to form a composition, said process comprising at least the following steps A) and B): A) mixing together at least the following components a and b to form a first composition: a) the “anhydride-functionalized olefin-based polymer”, and b) at least one multifunctional epoxy compound comprising at least two epoxy groups, or at least one oxetane compound comprising at least one oxetane group; B) exposing the first composition to moisture to form the crosslinked olefin-based polymer. Also, related is first compositions and crosslinked compositions.

Abstract: A process to form a composition comprising a crosslinked olefin-based polymer derived from an anhydride-functionalized olefin-based polymer, said process comprising at least the following steps A) and B): A) mixing together at least the following components a and b to form a first composition: a) the anhydride-functionalized olefin-based polymer, and b) at least one epoxy-silane compound; B) exposing the first composition to moisture to form the crosslinked olefin-based polymer. The first compositions and crosslinked compositions are also disclosed.

Abstract: A composition comprising the following components: a) a first ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.855 to 0.885 g/cc; b) a second ethylene/alpha-olefin interpolymer that comprises the following properties: i) a melt viscosity (177° C.) from 2,000 to 50,000 mPa·s, ii) a density from 0.900 to 0.960 g/cc; and wherein the weight ratio of component a to component b is from 1.0 to 100.

Abstract: A composition comprising at least the following: A) an olefin multi-block copolymer; B) a silicone rubber; C) a tackifier.

Abstract: A process of adhering a foam structure to a rubber substrate is provided. The foam structure is composed of a first composition comprising a first ethylene-based polymer having a peak melting temperature TE1. A film composed of a second composition comprising a second ethylene-based polymer having a melt index?10 g/10 min and a peak melting temperature TE2 is applied to the surface of the rubber substrate to form a rubber substrate/film configuration. A compression force is applied at a temperature Tv (38° C.?TE2<Tv) to form a vulcanized rubber/film laminate. The foam structure is applied to a surface of the film of the vulcanized rubber/film laminate to form a vulcanized rubber-film laminate/foam configuration. A compression force is applied at a temperature TL, wherein TE2<TL<TE1, 15° C.?(TE1?TL)?40° C., and 10° C.?(TL?TE2)?70° C., to form a vulcanized rubber-film/foam laminate.

Abstract: A hot melt adhesive (HMA) composition comprises: a) an ethylene/alpha-olefin multi-block interpolymer that has a melt viscosity (177° C.)?50,000 mPa·s; b) an anhydride and/or carboxylic acid functionalized propylene-based polymer that has a melt viscosity (190° C.)?50,000 mPa·s; c) a tackifier; and d) a wax. Such composition delivers both a high temperature heat resistance and a fast set time.

Abstract: The present disclosure provides an article. The article includes a crosslinked foam composition, an adhesive layer, and a substrate composed of an olefin-based polymer. The crosslinked foam composition includes an ethylene/a-olefin multi-block copolymer, an ethylene/propylene/diene terpolymer (EPDM), optional silicone rubber, optional blend component selected from ethylene/aolefin random copolymer, ethylene-vinyl acetate copolymer (EVA), styrene-butadiene block copolymer, hydrogenated styrene-butadiene block copolymer, and combinations thereof, optional plasticizer, optional filler, and optional additive.

Abstract: The present disclosure provides an electrochemical cell. In an embodiment, the electrochemical cell includes a separator disposed between an optional anode and an optional cathode. The separator includes (A) a porous substrate and (B) a porous coating layer on the substrate. The porous substrate (A) is composed of an olefin-based polymer having a melting point, Tm, greater than 130° C. The porous coating layer (B) has a melting temperature from 80° C. to 110° C. The porous coating layer (B) is composed of a plurality of microparticles, and an optional binding agent. The microparticles have an average particle size from 0.3 microns to 1.5 microns. The microparticles are composed of (i) an ethylene-based polymer, having (a) a density from 0.90 g/cc to less than 0.94 g/cc, (b) a Tm from 90° C. to 120° C., (c) a melt index from 30 g/10 min to 600 g/10 min. The microparticles also include (ii) a dispersant composed of a C14-C40 aliphatic fatty acid.

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 present disclosure provides a composition. In an embodiment a composition is provided and includes: (A) an ethylene-based interpolymer having the following: (i) a density from 0.860 g/cc to 0.900 g/cc; and (ii) a melt viscosity, at 177° C., less than, or equal to, 50,000 mPa·s; and (B) a rosin ester containing the following: (i) greater than, or equal to, 75 mol % aliphatic carbon, based on total moles of carbon in the rosin ester; and (ii) less than, or equal to, 3.0 mol % ester group carbon, based on total moles of carbon in the rosin ester.

Abstract: The present disclosure provides a composition. The composition contains (A) an ethylene/?-olefin copolymer containing (i) ethylene and (ii) from 20 wt % to 35 wt % C6-C8 ?-olefin comonomer, the ethylene/?-olefin copolymer having a density from 0.880 g/cc to 0.895 g/cc, a melt viscosity, at 177° C., from 4,000 mPa·s to 20,000 mPa·s, and a glass transition temperature from ?55° C. to ?20° C.; (B) a tackifier, and (C) a wax.

Abstract: A composition contains (A) an ethylene/?-olefin copolymer having a density from 0.855 g/cc to 0.895 g/cc and a melt viscosity, at 177° C., from 5,000 mPa-s to 50,000 mPa-s; (B) a functionalized propylene-based polymer containing from 1 wt % to 10 wt % functional groups, the functionalized propylene-based polymer having a melt viscosity, at 190° C., from greater than 10,000 mPa-s to 50,000 mPa-s and a weight average molecular weight, Mw, greater than 30,000 g/mol; (C) a tackifier; and (D) a wax.

Abstract: The present disclosure provides a composition. In an embodiment a composition is provided and includes: (A) a propylene-based interpolymer having the following: (i) a density from 0.850 g/cc to 0.900 g/cc; and (ii) a melt viscosity, at 177° C., less than, or equal to, 10, 000 mPa·s.; and (B) a rosin ester containing the following: (i) greater than, or equal to, 75 mol % aliphatic carbon, based on total moles of carbon in the rosin ester; and (ii) less than, or equal to, 3.0 mol % ester group carbon, based on total moles of carbon in the rosin ester.