Abstract: A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises titanium, (ii) said catalyst comprises from 0.1 to 5 wt % of gold, (iii) at least 90 wt % of the gold is in the outer 60% of catalyst volume, and (iv) particles of the catalyst have an average diameter from 200 microns to 30 mm; wherein weight percentages are based on weight of the catalyst.

Abstract: An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed.

Abstract: Provided is a dispersion of composite particles in an aqueous medium, wherein the composite particles comprise (I) a crosslinked polyolefin core, and (II) a full or partial shell comprising polymerized units of one of more vinyl monomers.

Abstract: The present invention relates to an aqueous composition comprising a rheology modifier and 1-bromo-3-chloro-5,5-dimethylhydantoin. The composition is useful for controlling viscosity in a paint formulation and contains a biocide that is efficacious and safe.

Abstract: A solvent-based polyurethane retort adhesive composition for producing laminates including: (A) at least one isocyanate compound, Component A; and (B) at least one isocyanate (NCO)-reactive component, Component B, comprising (i) at least one phosphate ester compound and (ii) at least one polyester polyol having an average molecular weight of greater than 3,000 g/mol; a process for producing the above adhesive; a multi-layer laminate product including the above adhesive; and a process for producing a laminate product using the above adhesive.

Abstract: Described herein are UV reflective particles, and methods of forming UV reflective particles, comprising extruding a film having a plurality of alternating layers of polycarbonate (PC) and poly(methyl methacrylate) (PMMA), wherein each layer is less than 150 nm thick, and grinding the film into particles having a median particle size less than 200 microns.

Abstract: A method for inhibiting scale comprises adding to a fluid that causes scale formation a polycarboxylic acid or a salt thereof which has a star structure and at least 5 arms. A star polymer comprising a core based on 2,2?-[Oxybis(methylene)]bis[2-(hydroxymethyl)-1,3-propanediol] and 6 arms comprising linear polycarboxylic acids of degree of polymerization (DP) of the arm of at least 2 and in some embodiments up to 15 or more is useful in inhibiting scale formation.

Abstract: The instant invention is an aqueous based blend composition and method of producing the same. The aqueous based blend composition comprises (a) an aqueous polyolefin dispersion comprising the melt blending product of one or more base polymers and one or more stabilizing agents in the presence of water and optionally one or more neutralizing agents, wherein the polyolefin dispersion has an average volume particle size diameter in the range of from 400 to 1500 nm; and a pH range from 8 to 11; and (b) an acrylic emulsion acrylic solids having an average weight particle size diameter in the range of from 75 to 450 nm; an acid level in the range of from 0.25 to 5 percent by weight of acid monomers based on the weight of the acrylic monomer, and a weight average molecular weight in the range of from 200,000 to 5,000,000 g/mole, and a glass transition temperature (Tg) in the range of from 7 to 100° C.

Abstract: A film: (a) 50 to 85 wt % polymer comprising: (i) 30 to 70 wt % hard polymer with Tg from 40 to 70° C. and 40 to 80 wt % (C1-C10)alkyl (meth)acrylate; 10 to 40 wt % C3-C8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; and (ii) 30 to 70 wt % soft polymer with Tg from ?20 to 20 ° C. and 50 to 90 wt % (C1-C10)alkyl (meth)acrylate; 5 to 30 wt % C3-C8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; hard Tg minus soft Tg is at least 30° C.; (iii) 0 to 10 wt %, of (C12-C24)alkyl (meth)acrylate polymer containing crystallizable portion with Tm from 0° C. to 37° C.; (b) 10 to 40 wt % of polyethylene oxide having Mw from 250,000 to 4,000,000; and (c) 0 to 10 wt % of poly(vinylpyrrolidone) having Mw from 25,000 to 2,000,000.

Abstract: A method for forming chrome-free retanned leather including: (a) contacting wet white (chrome-free tanned hide) with a retanning mixture comprising from 2% to 15%, by solids weight, based on the wet weight of the wet white, of an amphoteric polymer composition comprising amine functional units and acid functional units; and (b) applying a polymeric overcoat containing an acrylic copolymer with one or more metal transition elements, with a thickness of no greater than 100 microns, to the retanned wet white, is provided. The present invention also provides a chrome-free retanned leather formed by the method.

Abstract: The present invention relates to a compound comprising a hydrophobically modified poly(oxyalkylene-urethane) having a hydrophobic fragment represented by Structure I: where Ar1, Ar2; R1, m, and n are defined herein. The compound of the present invention provides viscosity stability upon tinting for paints containing a hydrophobically modified poly(oxyalkylene-urethane) rheology modifier, more particularly a HEUR rheology modifier.

Abstract: Described herein are sun care compositions, comprising UV reflective particles ground from an extruded film having a plurality of alternating layers of polycarbonate (PC) and poly(methyl methacrylate) (PMMA), wherein each layer is less than 150 nm thick; and at least one of a cosmetically acceptable emollient, humectant, vitamin, moisturizer, conditioner, oil, silicone, suspending agent, surfactant, emulsifier, preservative, rheology modifier, pH adjustor, reducing agent, anti-oxidant, and/or foaming or de-foaming agent, and methods of making and using the sun care compositions.

Abstract: Embodiments of the present disclosure are directed to printing systems and methods that may include an ink composition including electrically charged ink particles dispersed in a hydrocarbon liquid and a multilayer film. The multilayer film may include a polymeric core layer; and one or more printing layers adjacent to the polymeric core layer. The one or more printing layers may include at least 50 wt. % of an ethylene vinyl acetate copolymer having acid and acrylate functional groups. The ethylene vinyl acetate copolymer having acid and acrylate functional groups may include from 0.5 wt. % to 4 wt. % methacrylic or acrylic acid; from 0.5 wt. % to 4 wt. % acrylate, from 7 wt. % to 40 wt. % vinyl acetate; and the balance ethylene, based on the total weight of the ethylene vinyl acetate copolymer having acid and acrylate functional groups.

Abstract: A free standing dispersant film is provided, including: a partially hydrolyzed polyvinyl acetate; a poly(ethylene oxide); a polyalkylene glycol; a plasticizer; a dispersant polymer; optionally, a poly(isobutylene-co-maleic anhydride) copolymer, wherein the poly(isobutylene-co-maleic anhydride) copolymer is at least partially neutralized; and optionally, an optional additive.

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; a dart testing system configured to test a physical characteristic of the film sample; and a moving system configured to move the held film sample to be analyzed or tested between stations. The moving system is configured to move the held film sample in the material holder system to the dart testing system.

Abstract: Provided is polymer particle comprising (a) 40% to 85% by weight, based on the dry weight of the polymer particle, a core polymer having Tg of ?35° C. or lower; (b) 15% to 50% by weight, based on the dry weight of the polymer particle, an intermediate polymer having Tg that is 20° C. or lower and that is higher than the Tg of the core polymer by 10° C. or more; (c) 5% to 30% by weight, based on the dry weight of the polymer particle, a shell polymer having Tg of 50° C. or higher; wherein the shell polymer comprises polymerized units of all vinyl aromatic monomers in an amount of 1% or less, by weight based on the weight of the shell polymer.

Abstract: A process of stripping aqueous dispersion of polymeric beads with volatile organic compounds and an aqueous polymer composition obtained by the process.

Abstract: The present disclosure includes a composition that includes an ethylene/?-olefin random copolymer having density of 0.890 g/cm3 or less, a melting point of 100° C. or less, and a melt index from 0.2 g/10 min to 8.0 g/10 min, a styrenic block copolymer comprising from 1 wt % to less than 50 wt % units of styrene, a tackifier, and an oil. The composition may exhibit an overall melt index of the composition of from 2 g/10 min to 15 g/10 min. The composition can be used as an adhesive in some embodiments. The present disclosure also includes multilayer films that include the composition, which may provide reclose functionality to the multilayer film. The multilayer films that include the composition may provide low initial opening force and improved reclose adhesion through multiple reclose cycles. The present disclosure also includes various types of reclosable packaging articles that include the multilayer films and adhesive compositions.

Abstract: The present invention relates to a composition comprising an aqueous dispersion of first polymer particles functionalized with structural units of t-butyl methacrylate or t-butyl acrylate, and imbibed with a catalyst of Structure (I), where R, R1, R2 and R3 are as defined herein, and a process for making the composition. The present invention also relates to an aqueous dispersion of core-shell polymer particles, wherein the first polymer particles are encapsulated in a shell having a high Tg. The imbibed first polymer particles and the core-shell polymer particles can be expanded in the dry state at significantly lower temperatures than reported in the prior art.

Abstract: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 7.5 to 75 wt. %. The composition also comprises (B) a polyvinyl chloride polymer in an amount of from 20 to 92 wt. %. Further, the composition comprises (C) a polydiorganosiloxane in an amount of from greater than 0 to 5 wt. %; the (C) polydiorganosiloxane being a compound of unit formula: (R2R?SiO1/2)a(R3SiO1/2)b(R2SiO2/2)c(RR?SiO2/2)d, where each R is an independently selected monovalent hydrocarbon group of 1 to 18 carbon atoms that is free of aliphatic unsaturation, each R? is an independently selected alkenyl group of 2 to 18 carbon atoms, subscript a is 0 to 2, subscript b is 0 to 2, a quantity (a+b)=2, subscript c?0, subscript d?0, a quantity (a+d)?1, and a quantity (a+b+c+d) is sufficient to give the polydiorganosiloxane a viscosity of 2,000 mPa·s to 60,000 mPa·s at 25° C. measured at 0.