Abstract: According to one or more embodiments, a polyethylene composition that is suitable for packaging applications may include a first polyethylene fraction and a second polyethylene fraction. The first polyethylene fraction may have a single peak in a temperature range of 45° C. to 87° C. in an elution profile via the improved comonomer composition distribution (iCCD) analysis method. The second polyethylene fraction may have a single peak in a temperature range of 95° C. to 120° C. in the elution profile via iCCD analysis. Additional embodiments disclosed herein include articles and films comprising the polyethylene compositions described herein.

Abstract: A catalyst comprising a noble metal disposed on a support. The noble metal is present in an amount ranging from 0.1 wt % to 10 wt % relative to the total weight of the catalyst. The support comprises at least 50 wt % silicon carbide relative to the total weight of the support. The silicon carbide has a surface area of at least 5 m2/g. A method for preparing methyl methacrylate from methacrolein and methanol using the catalyst is also disclosed.

Abstract: Multilayer films are disclosed. The multilayer film may include a core layer and a heat seal layer where the heat seal lay comprises a polypropylene copolymer and a polyethylene copolymer. The polypropylene copolymer of the heat seal layer has specific properties such as ethylene content and iCCD elution profile to contribute to the desirable properties of the film. The multilayer film can form effective heat seals, even when in contact with heated contents. The multilayer film can be formed into a bag where the bag is suitable for carrying hot or heated contents.

Abstract: According to embodiments, a process for preparing a formed hybrid catalyst may comprise mixing a metal oxide catalyst component and a microporous catalyst component, adding a binder to the metal oxide catalyst component and the microporous catalyst component to form a paste, wherein the binder is a colloidal solution, suspension, or gel of a binder precursor comprising oxides or hydroxides of aluminum, oxides or hydroxides of zirconium, or mixtures thereof, and extruding the paste to produce the formed hybrid catalyst. The metal oxide catalyst component may comprise gallium oxide and zirconia, wherein the zirconia has a macroporosity fraction that is less than 0.3 and the microporous catalyst component may comprise a molecular sieve having 8-MR (Member Ring) pore openings. The formed hybrid catalyst may be used in a process to convert a feed stream into a product stream comprising C2 to C4 hydrocarbons.

Abstract: Embodiments of the present invention relate to multilayer films, laminates, and articles. In one aspect, a multilayer film includes at least three layers: (a) a first layer. (b) a second layer, and (c) a third layer. Among other features, the second layer includes from 0.05 weight percent to 5.0 weight percent of at least one polydimethylsiloxane, based on the total weight of the second layer, wherein at least one of the poly dimethylsiloxane has a weight average molecular weight, Mw, of from 20,000 g/mol to 700,000 g/mol.

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: Rigid polyurethane foams are made using a mixture of polyols that includes 4 to 33% by weight of triisopropanolamine. The mixture of polyols is reacted with an aromatic polyisocyanate in the presence of a blowing agent, a foam-stabilizing surfactant and a urethane catalyst to produce the foam. The foams are useful as thermal insulation layers in multilayer thermal insulation assemblies such as appliance cabinets and walls for industrial and commercial freezers and refrigerators.

Abstract: The present invention relates to a composition comprising an aqueous dispersion of a) polyisobutylene particles; and b) polyolefin particles, which are polyethylene or polypropylene particles, wherein the weight-to-weight ratio of the polyisobutylene particles to the polyolefin particles is in the range of from 20:80 to 80:20. The composition of the present invention is useful for making coatings on paper or paperboard substrates with excellent moisture barrier and tack properties.

Abstract: Provided are liners suitable for use in a bulk container. The liners can hold high temperature materials (e.g., materials reaching temperatures greater than 120° C.) and can comprise at least one ply including polyethylene. The liners can exhibit high dart impact and can provide a balance of stiffness, toughness, and seal strength. The at least one ply of the liner according to embodiments disclosed herein comprises a first layer, a tie layer, and a second layer, wherein the tie layer is disposed between the first layer and the second layer. In further embodiments, the at least one ply of the liner can include a second tie layer and a third layer, wherein the second tie layer is disposed between the first layer and the third layer.

Abstract: An internally emulsified polyurethane dispersion, which is prepared by using a combined chain extender system of a hydrophilic amino siloxane compound and a polyetheramine compound, is provided. The internally emulsified polyurethane dispersion can be used to prepare a synthetic leather product having good anti-stickiness, wrinkle resistance, color fastness and superior mechanical properties. A laminated synthetic leather article prepared with said internally emulsified polyurethane dispersion as well a method for preparing the synthetic leather article are also provided.

Abstract: The invention relates in a first aspect to a process for the preparation of propylene oxide, comprising: (i) providing a reaction mixture comprising propylene, water, organic solvent, and hydrogen peroxide; (ii) contacting the reaction mixture provided in (i) in an epoxidation zone with an epoxidation catalyst comprising a zeolitic material having a framework structure comprising Si, O, and Ti, and subjecting the reaction mixture to epoxidation reaction conditions in the epoxidation zone, obtaining, in the epoxidation zone, a mixture comprising propylene oxide, water, and organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, and organic solvent; wherein the reaction mixture provided in (i) and subjected to (ii) contains in an amount of at most 500 mg per kg hydrogen peroxide comprised in said reaction mixture at least one aliphatic oxygen containing compound having 8 to 10 carbon atoms.

Abstract: Embodiments are directed to a metal-ligand complex of formula (I). In addition, a polymerization process includes polymerizing at least one olefin in the presence of a catalyst system comprising the metal-ligand complex and at least one activator to produce an olefinic polymer.

Abstract: Catalyst systems comprising one or more metal-ligand complexes according to formula (I). M is a metal chosen from titanium, zirconium, or hafnium, the metal having a formal oxidation state of +2, +3, or +4; each X is a monodentate or bidentate ligand independently chosen from unsaturated (C2-C50)hydrocarbon, unsaturated (C2-C50)heterohydrocarbon, (C1-C50)hydrocarbyl, cyclopentadienyl, substituted cyclopentadienyl, (C4-C12)diene, halogen, and —CH2SiRC3; wherein each Rc is selected from the group consisting (C1-C30)hydrocarbyl or —H. In formula (I), subscript n of (X)n is 2. The metal-ligand complex of formula (I) has 6 or fewer metal-ligand bonds.

Abstract: Polyethers are prepared by polymerizing an alkylene oxide in the presence of a starter, an aluminum compound that has at least one hydrocarbyl substituent, and a cyclic amidine. The phosphorus-nitrogen base is present in only a small molar ratio relative to the amount of starter. The presence of such small amounts of cyclic amidine greatly increases the catalytic activity of the system, compared to the case in which the aluminum compound is used by itself. The product polyethers have low amounts of unsaturated polyether impurities and little or no unwanted high molecular weight fraction. Polymers of propylene oxide have very low proportions of primary hydroxyl groups.

Abstract: A heating apparatus includes a pair of electrically conductive tubes, a feed channel having a fluid entrance and a grounded connection, a product channel having a fluid exit and a grounded connection, and a DC current voltage source. The feed channel is fluidly connected to inlets of the pair of electrically conductive tubes and the product channel is fluidly connected to outlets of the pair of electrically conductive tubes. The pair of electrically conductive tubes include a first electrically conductive tube and a second electrically conductive tube connected in series and the DC current voltage source is electrically connected to the first electrically conductive tube and the second electrically conductive tube.

Abstract: A process for upgrading a hydrocarbon fluid including introducing a first portion of the hydrocarbon fluid to a first electrically conductive tube, and introducing a second portion of the hydrocarbon fluid to a second electrically conductive tube. A DC current is applied to the first electrically conductive tube to heat the first portion of the hydrocarbon fluid within the first tube to a first reaction temperature to form a first product stream, and a DC current is applied to the second electrically conductive tube to heat the second portion of the hydrocarbon fluid within the second tube to a second reaction temperature to form a second product stream. The first product stream is introduced into a product channel through an outlet of the first electrically conductive tube, and the second product stream is introduced into the product channel through an outlet of the second electrically conductive tube.

Abstract: A bimodal copolymer comprises on average at least 90 weight-percent units derived from ethylene and at least 0.05 weight percent units derived from an ?-olefin comonomer having from 4 to 10 carbon atoms, wherein the copolymer has the properties described herein.

Abstract: The present disclosure provides a composition. In embodiment, the composition is a crosslinkable composition and includes an ethylene-based polymer, a polyaminosiloxane (PAS), and optionally a peroxide. The polyaminosiloxane (PAS) has the Formula (I) [RSi(OZ)2O1/2]q [RSi(OZ)O2/2]m [RSiO3/2]n wherein R is a C6-C20 aminoalkyl group with a phenyl moiety, Si is a silicon atom, O is an oxygen atom, Z is a hydrogen atom or a C1-C10 hydrocarbonyl group, q, m, and n each individually is Rr an integer from 2 to 1,000,000; and 1/2 denotes an end block structure of Formula (II), 2/2 denotes a linear structure of Formula (III), and 3/2 denotes a branched structure of Formula (IV). Also disclosed is a crosslinked composition formed from the crosslinkable composition.

Abstract: Ziegler-Natta (pro)catalyst systems made with an external electron donor compound, methods of synthesis of same, methods of olefin polymerization using same, and polyolefin polymers made thereby. The external electron donor compound is a (multi-alkoxy)silane.

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.