Abstract: The present invention relates to a process of producing an ethylene polymer composition in multiple stages, of which the first stage is preferably a slurry polymerization stage, in the presence of a catalyst system, comprising: a) a solid catalyst precursor, comprising a transition metal selected from titanium and vanadium; magnesium; a halide, optionally an electron donor; and a solid particulate material comprising an inorganic oxide, and wherein the median particle diameter, D50, of the solid catalyst precursor, based upon the total volume of solid catalyst precursor, is from 1 to 13 micrometers; and b) an organoaluminium compound.

Abstract: Epoxy resin compositions utilizing phosphazene blocked azole compounds as curing catalyst are provided. Also provided are epoxy resins cured with phosphazene blocked azole compounds and methods of making cured epoxy resins using curing catalysts of phosphazene blocked azole compounds.

Abstract: The present invention is directed to a unique composition and method for promoting adhesion of substrates to adhesives. The solution comprises a water based primer composition comprising: a) a hydrosylate of one or more alkoxysilyl amine; b) a surfactant; c) an organotitanate, organozirconate, or combinations thereof; d) optionally a fluorescing compound; and e) water. Preferably the organotitanate or organozirconate correspond to formula (I): wherein M is titanium or zirconium and R8 comprises hydrocarbyl ligands, which may optionally contain one or more heteroatoms comprising oxygen, nitrogen, sulfur or phosphorus, optionally two or more of R8 may combine to form a cyclic ring structure. Preferably the composition and method of the invention can be used to bond glass or plastic coated with an abrasion resistant coating, in particular a window for a vehicle, to other substrates such as metal or plastics.

Abstract: The present disclosure provides a pouch for holding a fresh produce item and a method. The pouch includes (A) a body composed of at least one flexible multilayer film having a haze value less than 20%. The body further includes a front wall, a rear wall, and a gusset panel that form a closed chamber. (B) The gusset panel includes a rim. (C) A fresh produce item is located in the closed chamber. (D) The pouch has a chamber-to-rim ratio (mm) from 6:1 to 200:1. At least a portion of at least one wall is transparent permitting a person to see the fresh produce item in the pouch. The method includes displaying the fresh produce item through at least one of the front wall or the rear wall at a chamber-to-rim ratio from 6:1 to 200:1.

Abstract: The present invention discloses low viscosity aromatic polyester polyols suitable for blending with other polyols or other materials mutually compatible with the polyester polyols to achieve polyurethane and polyisocyanurate products. In particular the present invention discloses polyester polyols comprising the reaction of: A) an aromatic component comprising at 80 mole percent or greater of terephthalic acid; B) polyethylene glycol having a molecular weight from 150 to 1000; and C) a glycol different from the glycol of B); wherein A, B, and C are present in the reaction on a percent weight bases of 20 to 60 weight percent A); 40 to 75 weight percent of B); and 0 to 40 weight percent of C).

Abstract: The present invention is an improved method for preparing a heterogeneous, supported hydrogenation catalyst that comprises a Group VIII A metal and a catalyst support (for example, SiO2, with either a hydrophilic or a hydrophobic surface) via aqueous deposition precipitation as well as the catalyst prepared by said method.

Abstract: The present disclosure relates, according to some embodiments, to compositions, apparatus, methods, and systems that may be used to produce polyols, for example, polyether polyols with a narrow range of molecular weights, with little if any unsaturated byproducts, in a sustained and/or continuous reaction, with efficient heat transfer, and/or at high production rates. For example, in some embodiments, teachings of the disclosure may be used to produce polyether polyols in a continuous loop flow process. A continuous loop flow process may be practiced such that heat is effectively transferred and/or product properties (e.g., range of molecular weights) are controllable. For example, a continuous loop flow process may use one or more continuous flow loops comprising a heat exchanger, a means to move material around each loop, inlets for catalyst, monomer, initiator or starter, and an outlet for polyol product.

Abstract: The invention includes a spiral wound module comprising at least one membrane sheet wrapped about a permeate collection tube wherein the membrane sheet (14) comprises a plurality of capillary channels in parallel arrangement with each other and which are in fluid communication with the permeate collection tube (12). Many additional embodiments are disclosed along with methods for making and using the module and corresponding components.

Abstract: A phosphine ligand suitable for use in telomerizing butadiene comprises two phenyl groups and a xanthene moiety.

Abstract: The present disclosure provides a process for producing low density polyethylene with a dissipation factor less than or equal to 1.48×10?4 radian at 2.47 GHz. The process includes free radical high pressure polymerization of ethylene and separation of the unreacted species from the resultant polyethylene to form a recycle stream. The process further includes purging dissipative components from the recycle stream. The purged recycle stream is then introduced into the polymerization reactor.

Abstract: The present invention relates to filled thermoplastic polyolefin compositions useful e.g., as sound-deadening sheeting for formed automotive applications comprising a propylene polymer having a density equal to or greater than 0.885 g/cm3, one or more linear ethylene polymer and/or substantially linear polymer, a plasticizer, and a filler, preferably calcium carbonate. Said composition demonstrates a good balance of heat properties and stiffness such that it is particularly suitable for sheet extrusion and thermoforming articles therefrom.

Abstract: The present invention is premised upon an improved photovoltaic device (“PV device”), more particularly to an improved photovoltaic device with a multilayered photovoltaic cell assembly and a body portion joined at an interface region.

Abstract: Polymer blends comprise at least one ethylene/?-olefin interpolymer and one or more oil. The oil can be an aromatic oil, napththenic oil, paraffinic oil or a combination thereof. The ethylene/?-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The resulting blends can be used to make flexible molded articles.

Abstract: Embodiments include oxazolidone ring containing adducts obtainable by combining an aliphatic epoxy compound, an aromatic epoxy compound, and a diisocyanate. Embodiments further include a curable powder coating composition including a resin component and a hardener component, where the resin component includes the oxazolidone ring containing adduct.

Abstract: A polyolefin-based composition showing improved weldability using high frequency (HF) includes (1) a base polymer selected from (a) a homogeneously branched, linear or substantially linear ethylene/?-olefin copolymer; (b) a homogeneously branched propylene/?-olefin copolymer; or (c) a combination thereof; and (2) at least one secondary component selected from (a) an ethylene vinyl acetate copolymer having from 5 to 40 wt % vinyl acetate; (b) an ethylene-ethyl acrylate having from 5 to 25 wt % ethyl acrylate; and (c) a combination thereof. The combination of the specified polyolefin with the specified secondary component, which is a polar polymer, makes these formulations HF weldable, with a cohesive welding failure, a weld strength for 10 mil thick film greater than 7 lb/in (1.23 N/mm) at a weld time of less than or equal to 6 seconds. The formulations may also exhibit good calendering processability and mechanical properties.

Abstract: Disclosed herein is a block copolymer comprising a first block derived from a cyclo-alkyl vinyl monomer, a hydrogenated vinyl aromatic polymer or a hydrogenated vinyl pyridine polymers; and a second block derived from an acrylate monomer. Disclosed herein too is a method comprising reacting a first block derived from a cyclo-alkyl vinyl monomer, a hydrogenated vinyl aromatic polymer or a hydrogenated vinyl pyridine polymers with an initiator to form a macroinitiator; and polymerizing a second block onto the first block to form a block copolymer; where the second block is derived by polymerizing an acrylate monomer; and where the block copolymer has a chi parameter of greater than or equal to about 0.05, when measured at a temperature of 200° C. to 210° C.; where the chi parameter is a measure of interactions between the first block and the second block of the copolymer.

Abstract: Disclosed herein are polyisocyanurate and/or polyurethane foams containing non-porous silica particles derived from mesoporous cellular foams, wherein the polyisocyanurate and/or polyurethane foams have enhanced heat and/or fire resistance. Processes for making such foams and methods of using them are also disclosed.

Abstract: The invention provides a composition comprising an ethylene-based polymer comprising at least the following properties: a) a weight average molecular weight (Mw(abs)) greater than, or equal to, 60,000 g/mole; and b) a molecular weight distribution (Mw(abs)/Mn(abs)) greater than, or equal to, 2.3.

Abstract: Provided is a method for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst comprises an oxide of yttrium.