Abstract: An aqueous dispersion of a silicone pressure sensitive adhesive base can be combined with a curing agent and cured to form a silicone pressure sensitive adhesive. The aqueous dispersion of the silicone pressure sensitive adhesive base includes a bis-hydroxyl-terminated polydiorganosiloxane; a polyorganosilicate resin; cumene; a surfactant; and water. A curing agent such as a peroxide compound or an aminosilane may be combined with the aqueous disperison of the silicone pressure sensitive adhesive base to form a silicone pressure sensitive adhesive composition. A pressure sensitive adhesive article may be formed by a method including coating a surface of a substrate with the silicone pressure sensitive adhesive composition, removing water, and curing the silicon pressure sensitive adhesive composition to form a silicone pressure sensitive adhesive on the surface of the substrate.

Abstract: Polyethylene compositions are disclosed that may have a density of 0.910 g/cm3 to 0.924 g/cm3 and a melt index (I2) In of 0.1 g/10 minutes to 0.5 g/10 minutes and include a first polyethylene fraction area in the temperature range from 45° C. to 80° C. of an elution profile via improved comonomer composition distribution (iCCD) analysis method; a second polyethylene fraction area in the temperature range from 80° C. to 95° C. of the elution profile, and a third polyethylene fraction area in the temperature range from 95° C. to 110° C. of the elution profile. The second polyethylene fraction area may include at least 5% of the total area of the elution profile. The third polyethylene fraction area may include at least 25% of the total area of the elution profile. A ratio of the first polyethylene fraction area to the second polyethylene fraction area may be from 6 to 15.

Abstract: Embodiments are directed towards a process for producing a (poly)alkylene glycol monoalkyl ether. The process includes providing an admixture of a crystalline metallosilicate molecular sieve catalyst and an oxide of a metal and reacting in a liquid phase process an olefin and a (poly)alkylene glycol in the presence of the admixture to yield the (poly)alkylene glycol monoalkyl ether. Reacting the olefin and the (poly)alkylene glycol in the presence of the admixture is at a temperature of 80° C. to 200° C.

Abstract: Solvent-based adhesive composition are disclosed, the compositions comprising (A) a polyester-urethane resin, (B) a phosphate ester compound, and (C) an aliphatic isocyanate curing agent. Methods for preparing a solvent-based adhesive composition, the methods comprising providing a polyester-urethane resin, providing a phosphate ester compound, mixing the polyester-urethane resin and phosphate ester compound to form a resin mixture, diluting the resin mixture in a solvent to form a diluted resin mixture having an application solid content of from 25 to 55 weight percent, based on the total weight of the diluted resin mixture, and curing the diluted resin mixture with an aliphatic isocyanate curing agent at a mix ratio (parts by weight resin mixture before dilution:parts by weight aliphatic isocyanate curing agent) of from 100:1 to 100:12. Laminates prepared comprising the solvent-based adhesives and according to the disclosed methods are also disclosed.

Abstract: Adhesive compositions are disclosed comprising acrylic copolymers formed from a monomer mixture comprising, based on the total weight of monomers in the monomer mixture, from 59 to 97.9 weight percent 2-ethylhexyl acrylate, from 0.1 to 10 weight percent styrene, from 0 to 25 weight percent methyl methacrylate, and from 2 to 30 weight percent ethyl acrylate, wherein the ratio of ethyl acrylate to styrene (by weight) is greater than 4.5 to 1. Methods for preparing adhesive compositions are disclosed comprising feeding an aqueous initial charge to a reactor, heating the aqueous initial charge to from about 30 to 110° C., gradually feeding a monomer mixture into the reactor over a period of time (less than 3 hours), in the presence of a free-radical polymerization initiator, thereby forming the acrylic adhesive composition, wherein the amount of free monomer in the reactor does not exceed 17 percent by weight, based on the total weight of the reactor contents, during gradual feeding.

Abstract: A carbon molecular sieve (CMS) membrane having improved separation characteristics for separating olefins from their corresponding paraffins is comprised of carbon with at most trace amounts of sulfur and a group 13 metal. The CMS membrane may be made by pyrolyzing a precursor polymer devoid of sulfur in which the precursor polymer has had a group 13 metal incorporated into it, wherein the metal is in a reduced state. The pyrolyzing for the precursor having the group 13 metal incorporated into it is performed in a nonoxidizing atmosphere and at a heating rate and temperature such that the metal in a reduced state (e.g., covalently bonded to carbon or nitrogen or in the metal state).

Abstract: In various embodiments, a bimodal polyethylene may include a high molecular weight component and a low molecular weight component. The bimodal polyethylene may have a density of from 0.933 grams per centimeter (g/cm3) to 0.960 g/cm3, a melt index (I2) of from 0.3 decigrams per minute (dg/min) to 1.2 dg/min, a melt flow ratio (MFR21) greater than 80.0, a molecular weight distribution (Mw/Mn) greater than 10, a reverse comonomer distribution, and a shear thinning index of from 5.0 to 20.0. Methods for producing the bimodal polyethylene, articles manufactured from the bimodal polyethylene are also provided.

Abstract: A melt blended composition comprising, in weight percent (wt %) based upon the weight of the composition: (A) 55 to 94.99 wt % of a thermoplastic polymer, (B) 5 to 44.99 wt % of a moisture curable polymer, and (C) 0.01 to 5 wt % of a moisture condensation catalyst exhibits enhanced rheological and mechanical properties as compared to a composition alike in all aspects save for the presence of a moisture curable polymer.

Abstract: A silicone-polycarbonate copolymer has the formula Xg[ZjYo]c, where each X is an independently selected silicone moiety having a particular structure, each Y is an independently selected polycarbonate moiety, each Z is an independently selected siloxane moiety, subscript c is from 1 to 150, subscript g is >1, 0?j<2, and 0<o<2, with the proviso that j+o=2 in each moiety indicated by subscript c. Methods of preparing the silicone-polycarbonate copolymer are also disclosed. Further, a sealant is disclosed, the sealant comprising the silicone-polycarbonate copolymer and a condensation-reaction catalyst.

Abstract: Methods for the removal of ionic contaminants from a hydrophilic organic solvent by a mixed bed of ion exchange resins are described. A mixed bed of ion exchange resins with gel-type strong-acid cationic ion exchange resin with a specific moisture holding capacity and gel-type anionic ion exchange resin is used in some embodiments of such methods.

Abstract: The present disclosure provides a fabric laminate. In an embodiment, the fabric laminate includes a fabric sheet, a coating layer, and a tie layer. The fabric sheet is composed of propylene-based polymer fibers. The coating layer is composed of one or more ethylene-based polymers. The tie layer is located between the fabric sheet and the coating layer. The tie layer is composed of at least 50 wt % of a crystalline block composite (CBC) and an optional blend component. The CBC includes (i) an isotactic crystalline propylene homopolymer (iPP); (ii) an ethylene/propylene copolymer; and (iii) a diblock with the formula (EP)-(iPP). The CBC has a block composite index (CBCI) from 0.1 to 1.0. The fabric laminate has a peel force from 20 N/15 mm to 40 N/15 mm.

Abstract: The present invention relates to a compound which is a benzophenone substituted with a hydroxyl-terminated alkylene oxide group (R) of formula 1: where R is a combination of from 1 to 13 propylene oxide groups and from 5 to 20 ethylene oxide groups, with the proviso that the sum of the propylene oxide groups and the ethylene oxide groups is not greater than 25. The compound of the present invention provides a non-volatile, non-toxic photoinitiator that provides excellent gloss retention in exterior architectural coatings.

Abstract: Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (Ia):

Abstract: Processes of polymerizing olefin monomers.

Abstract: A composition comprising at least the following components: A) one or more ethylene/alpha-olefin interpolymers, which comprise ?3.5 wt % of a non-conjugated diene, based on the weight of the one or more ethylene/alpha-olefin interpolymers; B) an acid acceptor selected from the following: MgO, ZnO, or combination thereof.

Abstract: A method and a system for analyzing a physical characteristic of a film sample are described herein. The system includes a material holder system configured to hold the film sample; and a tear analysis device configured to tear the film sample and measure a characteristic of the tear. The movable system is configured to move the film sample in the material holder system to the tear analysis device.

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 method of forming a carbon molecular sieve membrane includes dissolving a halogenated precursor polymer in a solvent, thereby forming a dissolved halogenated precursor polymer. Homogeneously dehydrohalogenating the dissolved halogenated precursor polymer with an organic amine base to form a partially dehydrohalogenated polymer. Forming a thin film from the partially dehydrohalogenated polymer. Pyrolyzing the thin film to form the carbon molecular sieve membrane.

Abstract: A process to form a crosslinked composition comprising thermally treating a composition at a temperature ? 25° C., in the presence of moisture, and wherein the composition comprises the following components: a) an olefin/silane interpolymer, b) a cure catalyst selected from the following: i) a metal alkoxide, ii) a metal carboxylate, iii) a metal sulfonate, iv) an aryl sulfonic acid, v) a tris-aryl borane, vi) any combination of two or more from i)-v). Also, a composition comprising the following components a and b, as described above. A process to form an olefin/alkoxysilane interpolymer, and the corresponding composition, said process comprising thermally treating a composition comprising the following components: a) an olefin/silane interpolymer, b) an alcohol, and c) a Lewis acid.

Abstract: External thermal insulation composite systems described herein include a concrete or masonry wall and a multilayer thermal insulation board disposed on the concrete or masonry wall. The multilayer thermal insulation board includes at least one closed cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of less than 20% by volume according to ASTM D 6226 and at least one open cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of greater than 80% by volume according to ASTM D 6226.