Abstract: A thermoplastic composition includes particular amounts of a poly(arylene ether), a hydrogenated block copolymer, a copolymer of ethylene and an alpha-olefin, a plasticizer, a white pigment, and an ultraviolet radiation stabilizer. The composition exhibits excellent light stability, and it is particularly useful for forming white or off-white cable insulation.

Abstract: A thermoplastic composition includes particular amounts of a poly(arylene ether), a hydrogenated block copolymer, a plasticizer, a white pigment, and an ultraviolet radiation stabilizer. The composition exhibits excellent light stability, and it is particularly useful for forming white or off-white cable insulation.

Abstract: A flame retardant additive composition comprising a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate. The flame retardant additive is useful in a wide range of thermoplastic compositions.

Abstract: A composition for the manufacture of a circuit material comprises a solvent composition having a boiling point below 160° C.; an epoxy compound having an average epoxy functionality of greater than one, an epoxy equivalent weight of less than about 6,000 Daltons, a softening point of less than about 160° C., and solubility in the solvent composition; an aromatic polymer co-curable with the epoxy compound, and soluble in the solvent composition; and, optionally, a catalyst for the polymerization of epoxy groups. The composition for the manufacture of a circuit material can further comprise a filler additive and/or a flame retardant additive.

Abstract: An aqueous epoxy resin system ABC comprising an aqueously dispersed epoxy resin A having, on the average, at least one epoxy group per molecule, a water-soluble or water-dispersible curing agent B which comprises the reaction product of an amine B1 having at least one primary and at least one secondary amino group, and an adduct B2 of a polyalkylene ether polyol B21 and an opexide component B22, and aminoplast compound C having a mass fraction of at least 0.1% of sulphonate or sulphonic acid groups, a coating composition ABCD for thick layer applications comprising the aqueous epoxy resin system ABC and at least one particulate filler D selected from the group consisting of talc, mica, quartz, titanium dioxide, aluminium dioxide, calcium carbonate, and dolomite, and a process for coating mineral or concrete based substrates or floors with such coating compositions.

Abstract: The present invention relates to filled polyamide molding materials, in particular polyamide molding materials with medium filler content, which are producible from a polyamide blend and for example by compounding with chopped or endless fibers on two-screw extruders, and have a combination of reduced water absorption and good mechanical properties, which results in very good dimensional stability and reduced variation of the electrical properties of the produced molded part, such as an antenna housings of stationary or mobile communication devices. The thermoplastic polyamide molding materials according to the present invention are suitable for manufacturing molded parts and other semi-finished or finished parts, for example by extrusion, injection molding, pressing, direct process or direct compounding, respectively, wherein the compounded polyamide molding material is directly processed by injection molding or other shaping methods.

Abstract: A process for removing metal species from a composition comprising contacting: a. an oligomer mixture stream comprising the monomers of a partially aromatic polyester polymer and at least one metal species, or b. a molten polyester polymer stream comprising partially aromatic polyester polymers and at least one metal species, with a non-catalytic porous material in the presence of hydrogen to produce a treated stream containing a reduced amount of at least one metal species. There is also provided a composition comprising a partially aromatic polyester polymer having an It.V. of at least 0.50 produced in a direct esterification melt phase process, from greater than 0 to less than 50 ppm antimony, and less than 40 ppm cobalt. There is also provided a composition comprising partially aromatic polyester polymers having an It.V. of at least 0.50 produced in an ester exchange melt phase process, from greater than zero to less than 5 ppm titanium, and less than 10 ppm manganese.

Abstract: Disclosed is the preparation of organic/inorganic hybrid particles comprising magnesium hydroxide cores and tethered copolymer chains whose composition can be selected to allow dispersion in targeted plastic materials, thereby providing improved mechanical, electrical and flame retardant properties. Processes for preparing the same are also disclosed.

Abstract: A chlorine-containing resin composition for covering an electric wire of the present invention, has a heat stability of not less than 240 minutes and a volume resistivity of 5.0×1013 to 1.0×1016 ?·cm when measured according to JIS K6723, and comprises: 100 parts by weight of a chlorine-containing resin, and 1.5 to 10 parts by weight of Mg—Al-based hydrotalcite-type particles having a composition represented by the formula: [MgxCay].Alz.(OH)2.An?p.mH2O ?wherein 0.2?z/(x+z)?0.6; 0.01?y/(x+z)?0.20; x+y+z=1; p=(2(x+y?1)+3z)/n; A is a n-valent anion; and m is more than 0 and not more than 0.75, having a plate surface diameter of 0.1 to 1.0 ?m and a thickness of 0.02 to 0.08 ?m, and containing calcium at a molar ratio of Ca to a sum of Mg and Al of 0.01:1 to 0.20:1, and having a heat-resisting time of not less than 4 hours upon a chlorine-containing resin composition containing the Mg—Al-based hydrotalcite-type particles.

Abstract: Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon.

Abstract: The present invention relates to a curable precursor of a fire-retardant, low-density and essentially halogen-free epoxy composition comprising (i) 10 to 70 weight percent of at least one organic epoxide compound with an epoxide functionality of at least one, (ii) 1 to 55 weight percent of at least one epoxide hardener, (iii) 5 to 50 weight percent of an essentially halogen-free fire-retardant system that includes a mixture of: (1) at least one compound selected from the group comprising alkaline earth metal hydroxides and aluminium group hydroxides, and (2) at least one phosphorous-containing material, (iv) 10 to 60 weight percent of a filler system capable of reducing the density of the precursor that includes a mixture of (1) at least one low-density inorganic filler having a density of between 0.1 to 0.5 g cm?3?, (2) at least one low-density organic filler having a density of between 0.01 to 0.30 g/cm?3? and being compressible.

Abstract: A polyester composition comprising (a) a polyester derived from a diol and a diacid, (b) a fluoropolymer and (c) a carboxy reactive compound, where the polyester composition has a highly useful combination of (i) mechanical properties and (ii) melt strength is disclosed. Also disclosed is a process to prepare these compositions and articles therefrom.

Abstract: A flame-retardant compound is disclosed, comprising a polyolefin alloy and a combination of frame-retardant agents. The polyolefin alloy comprises at least one polyolefin and a metallocene-catalyzed olefin copolymer. The flame-retardant agents comprise a nanoclay and at least one inorganic flame-retardant. An essentially halogen-free flame-retardant compound is preferred. Surface coverings for mammalian-occupied spaces benefit from the properties of the flame-retardant compound.

Abstract: A phosphorus-containing coated magnesium oxide powdered material comprising a coated magnesium oxide powdered material having a surface coating layer comprised of a double oxide, wherein the phosphorus-containing coated magnesium oxide powdered material has a coating layer comprised of a magnesium phosphate compound in at least part of a surface of the coated magnesium oxide powdered material, wherein the content of the magnesium phosphate compound in the coated magnesium oxide powdered material is 0.1 to 10% by mass, in terms of phosphorus; a method for producing a phosphorus-containing coated magnesium oxide powdered material, wherein the method comprises treating a coated magnesium oxide powdered material having a surface coating layer comprised of a double oxide with a phosphorus compound, and then calcining the resultant powdered material at 300° C.

Abstract: Disclosed is a composition comprising, consisting essentially of, consisting of, or produced from polyvinyl chloride, filler, and an impact strength-retaining amount of a modifier wherein the modifier includes is or an ethylene copolymer, an acid anhydride- or acid monoester-modified polyolefin, or combinations thereof. Also disclosed is a process comprising combining an impact strength-retaining amount of a modifier to a blend that comprises or is produced by combining a rigid PVC and one or more fillers. The combining is carried out under a condition sufficient to prevent or minimize the reduction of impact strength of the blend, to reduce the molten viscosity of the blend, or to minimize the loss in stiffness (flexural modulus) of the blend, in comparison to the unmodified blend.

Abstract: The present disclosure relates a method of making a dispersion. Microparticles, nanoparticles and a fluid polymer component are mixed to form a dispersion. A sufficient amount of nanoparticles provides for an increase in material throughput relative to a comparable dispersion that is free of nanoparticles.

Abstract: A sealing element is formed from a desirably shaped body of a sealant material formulated from a first polymer, ethylene vinyl acetate (EVA), in a concentration of about 25 percent to about 30 percent, a calcium carbonate inert filler material in a concentration of about 25 percent to about 30 percent, a second ethylene polymer other than EVA in a concentration of about 20 to about 35 percent, and a hydrocarbon resin in a concentration of about 10 percent to about 15 percent. The sealant further comprising an epoxy resin in a concentration of about 2 to about 5 percent and an activator in a concentration of about less than one percent of the sealant. The sealant material, when positioned about a first component is overmolded with a material forming a second component. The sealant material, which is heat activated, forms a seal between the first and second components.

Abstract: The present invention relates to the use of calcium salts for reducing the formaldehyde emission of microcapsule dispersions based on melamine-formaldehyde resins. The invention also relates to a process for the preparation of a dispersion of microcapsules by condensation of partly methylated melamine-formaldehyde resin in water, in which the substantially water-insoluble material forming the capsule core is dispersed, in the presence of an anionic protective colloid, and to the dispersions of microcapsules which are obtained by this process and to the use thereof for the preparation of printing inks and paper coating materials.

Abstract: Embodiments of the present invention relate to a method of making a biopolymeric material comprising contacting a biopolymer and a binder sufficient to form a mixture, heating the mixture and profile extruding the mixture sufficient to create a biopolymeric material. Embodiments also relate to a method of making a biopolymeric material comprising contacting a biopolymer and a reactive composite sufficient to form a mixture, heating the mixture and profile extruding the mixture sufficient to create a biopolymeric material.

Abstract: A flame retardant synthetic solid surface material is disclosed which in one aspect meets stringent requirements for flammability, heat release, smoke density and toxic gas release making it suitable for commercial aircraft and similar high safety applications. The solid surface material comprises an organic resin component and a filler system comprised of at least one flame retardant substance. Also disclosed herein are methods for the manufacture of said solid surface materials and exemplary uses thereof.

Abstract: A wiper blade made of a compound having a methyl vinyl silicone polymer, a filler, and a friction-reducing additive is provided. The friction-reducing additive is present in an amount from between about 5 and 42 weight percent, preferably 11 percent. The average particle size of the friction-reducing additive is preferably less than about 25 microns, thereby permitting extrusion of the compound into the shape of a wiper blade. Polytetrafluoroethylene is preferred as a friction-reducing additive, but other substances, such as boron nitride or graphite could be used.

Abstract: An antistatic composition that is excellent in thermo stability, is free from the problem of bleeding-out, exhibits its effect independently of humidity, has immediate effectiveness, and also exhibits excellent and persistent antistatic properties, and a method for producing the composition are provided. The antistatic composition comprises a predetermined alkali metal salt or alkaline earth metal salt, and resin.

Abstract: The invention discloses a flame-retardant thermoplastic resin composition without containing any halogen compounds as a flame-retardant agent but still exhibiting excellent flame retardancy. The resin composition comprises: (a) a thermoplastic resin kneadable or moldable at a temperature lower than 250° C. such as polyethylene; (b) magnesium hydroxide as the principal flame retardant agent; (c) an organopolysiloxane compound of a specified viscosity; and (d) a reactive catalytic compound which is a radical-generating compound having an incipient thermal decomposition temperature higher than 250° C. such as 2,3-dimethyl-2,3-diphenylbutane. Alternatively, the catalytic compound as the component (d) can be a combination of a noble metal, e.g., platinum, compound and a vinyl group-containing organosiloxane compound.

Abstract: The present invention provides a rubber composition for a tire capable of improving gripping performance of a tire and a tire using the rubber composition. More specifically, the present invention relates to a rubber composition for a tire tread comprising 1 to 150 parts by weight of a piezoelectric material, based on 100 parts by weight of a natural rubber and/or a diene synthetic rubber and a tire using the rubber composition for a tire tread. The average particle size of the piezoelectric material is preferably 0.01 to 50 ?m.

Abstract: Polymer compositions comprising a) a polymer substrate selected from the group consisting of the polyolefins, polyesters, polyamides and polylactic acids and b) a combination of i) at least one permanent antistatic additive selected from the group consisting of the polyetheresteramides and ii) at least one migratory antistatic additive selected from the group consisting of the alkylsulfonic acid salts, the alkyl diethanolamines and the alkyl diethanolamides, are effectively antistatic.

Abstract: A flame-retardant molding composition that includes an epoxy resin, melamine cyanurate, and one or more hydrated metal salts capable of liberating water when heated. The hydrated metal salt may include one or more compounds selected from metal borate salts, Group IIB oxides, and polyhydroxides of one or more elements selected from Group IIA elements and Group IIIB elements. The molding composition may be used to coat an electrical or electronic device by heating the molding composition to a temperature sufficient to cure the molding composition and form a polymer on the surface of the device. Electrical and electronic devices formed by the method are also disclosed.

Abstract: A resin composition includes: a plant-derived polymer compound; and a polyimide resin.

Abstract: A curable silicone composition is provided that includes a carboxylic acid scavenging reactant with an amount sufficient to reduce an odor associated with silicone curing. The carboxylic acid scavenging reactant illustratively includes a carbodiimide in the form of a monocarbodiimide or a polycarbodiimide; an aziridine; and a combination thereof. The composition optionally includes adjuvant provided to modify the physical or cure properties of the cured silicone. In particular, the composition is readily compatible with the inclusion of calcium carbonate, the use of which would otherwise cause gassing and/or curing upon storage. The composition optionally includes a condensation catalyst in the form of an organometallic compound with the metal ions of titanium, aluminum, tin, calcium, and zinc being particularly well suited for the function of catalyzing condensation reactions.

Abstract: The invention provides a golf ball material comprising components (A), (B) and (C): (A) a mixture of different masterbatches prepared by separately masterbatching two or more different metal ions (A1) or a masterbatch prepared by simultaneously masterbatching two or more different metal ions in itself (A2), (B) one or more polymer selected from the group consisting of diene polymers, thermoplastic polymers and thermoset polymers, and (C) one or more polymer having an acid content of from about 0.5 to about 30 wt % and selected from the group consisting of olefin-unsaturated carboxylic acid copolymers, olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester terpolymers, unsaturated carboxylic anhydride-containing polymers, unsaturated dicarboxylic acid-containing polymers and unsaturated dicarboxylic acid half ester-containing polymers. The invention also provides a method for preparing such a golf ball material, and a golf ball made of the material.

Abstract: A sheet molding compound used for the preparation of enclosures comprising a base resin in a range from 20.0 to 28.0% by weight; a thermoplastic resin in a range from 3.0 to 7.0% by weight; a styrene monomer in a range from 0.01 to 2.5% by weight; a first catalyst in a range from 0.1 to 0.7% by weight; a second catalyst in a range from 0.01 to 0.3 % by weight; a catalyst modifier in a range from 0.01 to 0.25% by weight; an inhibitor in a range from 0.01 to 0.25% by weight; a UV absorber in a range from 0.01 to 0.25% by weight; a wetting agent in a range from 0.1 to 1.00% by weight; a zinc stearate in a range from 1.0 to 2.0% by weight; optionally, at least one pigment in a range from 1.0 to 8.0% by weight; a flame retardant in a range from 30.0 to 73.0% by weight; a thickener in a range from 0.1 to 1.0% by weight; a glass fiber in a range from 10.0 to 30.0% by weight; and a thermoplastic powder in a range of 0.1 to 2.5% by weight.

Abstract: The present invention is directed to a thin film material for encapsulation of organic or polymeric light-emitting electric device having light-emitting layer between cathode and anode, for elongation of lifetime of said device and for providing said device with flexibility, more specifically, to a thin film material for encapsulation of organic or polymeric light-emitting electric device comprising polymer having, as repeating unit of backbone, homo-, 2-component co-, ter-, or tetra-polymer of one to four pentaerythritol acrylate monomer, or physically mixed polymer blend of said polymer and polymers other than poly(pentaerythrithol acrylate). Moreover, the present invention is directed to a method for encapsulation of organic or polymeric light-emitting device using said thin film material consisting of wet and dry process. The light-emitting device encapsulated according to the present invention can be bended and can be used in the manufacturing of large surface area display.

Abstract: The present invention relates to a one-part polymer grout composition tintable to any desired color upon request, as well as to a method of tinting the grout composition. Advantageously, the present one-part polymer grout compositions may be tinted using any of the multiplicity of commercially available universal colorants, according to fandecks of color based upon the same, or by visual or computerized color matching. Similarly, since conventional universal colorants may be employed, the equipment utilized to tint and agitate paint in order to provide any desired color may be utilized to tint the present grout compositions. A kit is also provided, comprising the tintable grout composition and instructions for tinting the grout composition according to the method.

Abstract: A coating composition comprising (a) 10 to 60 wt. % of one or more hydroxy-, carboxy- and/or amino-functionalized solid resins selected from the group of methacrylic resins, acrylic resins, polyester resins, polyurethane resins, epoxy modified resins with linear, branched or star structure, (b) 5 to 40 wt. % of one or more crosslinking agents for component (a), (c) 5 to 70 wt. % of a filler, such as, aluminum hydroxide, (d) 0 to 40 wt. % of a ground polymer material, (e) 0 to 35 wt. % of organic solvents, (f) 0.01 to 15 wt. % % of additives and pigments and (g) 0 to 30 wt. % reactive thinners.

Abstract: A two-part self-curing endodontic sealing system comprises a thiourea derivative, such as acetyl thiourea, and a hydroperoxide, such as cumene hydroperoxide. The thiourea derivative is used as a reducing agent and the hydroperoxide is used as an oxidizing agent.

Abstract: The present invention provides a resin composition containing a polyolefin resin (A), a metal soap (B), a saponified product (C), and a hydrotalcite compound and/or a hydrotalcite solid solution (D). The resin composition shows superior long-run formability (surface smoothness, suppression of fish eye, pigment dispersibility), suppressive effect on die build-up and superior transparency and gas barrier property when added to a regrind layer during formation of a laminate having the regrind layer. Therefore, the composition is highly useful as an additive for collected materials (regrind) for forming various laminates.

Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, one reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer. The inorganic filler comprises a synthetic aluminosilicate of the formula: MxSiAlyOa(OH)b, (H2O)c??(I) in which: M is a cation selected from of K+, Na+, Ca++ and mixtures of these cations; x>0; y>0; a?0; b?0, c?0 and a+b>0, and having the following characteristics: (a) a BET specific surface area of between 20 and 300 m2/g; (b) an average particle size by mass (dw) of between 20 and 400 nm; and (c) an ultrasound disagglomeration rate (?) greater than 5×10?4 ?m?1/min.

Abstract: Polyolefin-based pallets capable of passing standard pallet flammability tests are prepared by molding the pallet or one or more subassemblies thereof, of a polyolefin molding resin containing a flame retardant package containing magnesium hydroxide, and optionally alumina trihydrate, and zinc borate. The flame retardants may be supplied as a master batch at a concentration higher than that desired in the pallet or subassembly, in a polyolefin-compatible polymer, and result in pallets having a significantly lower heat release rate.

Abstract: A liquid composition which is a precursor to a solid surface material comprises a liquid polymerizable component and two different solid particle distributions with an added polycarboxylic acid or salt retarding or preventing particle settling.

Abstract: Methods for preparing optical filter nanocomposites from nanopowders. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite filter layers may be prepared on substrates. Gradient nanocomposites for filters are discussed.

Abstract: A flame-retardant compound is disclosed, comprising a polyolefin alloy and a combination of flame-retardant agents. The polyolefin alloy comprises at least one polyolefin and a metallocene-catalyzed olefin copolymer. The flame-retardant agents comprise a nanoclay and at least one inorganic flame-retardant. An essentially halogen-free flame-retardant compound is preferred. Surface coverings for mammalian-occupied spaces benefit from the properties of the flame-retardant compound.

Abstract: Flame retardant crosslinkable polyolefin compositions useful for the production of films, sheets and membranes are provided. The compositions are comprised of ethylene-silane copolymer, plastomer, flame retardant filler and, optionally, silanol condensation catalyst.

Abstract: A high dielectric composite material obtained by subjecting submicron particles of an inorganic filler containing a metal as its essential component to an insulating treatment such as a chemical treatment, further subjecting to a surface treatment for improving their compatibility with organic resins, and then dispersing in an organic resin, has a dielectric constant of 15 or above, with its dielectric loss tangent in the frequency region of from 100 MHz to 80 GHz being 0.1 or less, and can therefore be used effectively for multilayer wiring boards and module substrates.

Abstract: A hot melt adhesive composition that includes thermoplastic polymer, a source of zinc, at least one of aluminum trihydrate and magnesium hydroxide, and no greater than 70% by weight of a source of halogen. Articles that include a porous substrate and the hot melt adhesive composition.

Abstract: An aqueous resin composition is provided which does not use a high boiling point solvent, and yet displays favorable long term stability and excellent film formation, and does not suffer from problems such as skin generation. The aqueous resin composition comprises a water soluble magnesium salt (A) and an aqueous polyurethane (B).

Abstract: A thermoplastic resin composition (Y) characterized by comprising (A) 20 to 64.9 wt % one or more ethylene copolymers comprising an ethylene/?-olefin copolymer, (B) 35 to 70 wt % metal hydroxide, and (C) 0.1 to 30 wt % grafted ethylene polymer. The resin composition has excellent flame retardancy and has satisfactory pliability/flexibility and excellent tensile properties. It is suitable for use as an insulating material or sheath for electric wires. Also provided are: a polymer composition (Z) having high flame retardancy, characterized by comprising relative to (AA) 100 parts by weight of a polymer such as a thermoplastic polymer or thermosetting polymer, in the ratio of (BB) 50 to 250 parts by weight of a metal hydroxide, (E) 0.1 to 40 parts by weight of a triazine ring containing compound, and (F) 0.1 to 40 parts by weight of a polyhydric alcohol; and a molded object obtained from the polymer composition. These are suitable for use as an insulating material or sheath for electric wires.

Abstract: A liquid concentrate of mineral fillers including an aqueous or organic solvent, mineral fillers useful for making paints, with a dry extract of mineral fillers not less than 65%, and a grafted copolymer of: 1) 5 to 40 wt. %, preferably 15 to 35 wt. %, more preferably 20 to 30 wt. % of anchoring sequences of a linear copolymer formed from at least two different monomer units including: a first ethylene monomer unit of at least a basic nitrogenous group, and a second unsaturated ethylene monomer unit of an aromatic group, preferably a phenyl, with the weight content of the first monomer units relative to th second monomer units is from 40 to 60 wt. %, preferably about 50 wt. %; 2) 25 to 90 wt. %, preferably 40 to 80 wt. %, more preferably 50 to 70 wt. % of organo-soluble hydrophobic sequences to disperse the particles in a polar medium; and 3) 5 to 70 wt. %, preferably 15 to 30 wt. %, more preferably 10 to 20 wt. % of hydrophilic sequences of a water-soluble polymer.

Abstract: About 0.001 to 1 part by weight of a phenol component (B1) and/or about 0.001 to 10 parts by weight of an amino acid (B2) are added relative to 100 parts by weight of a polyacetal resin (A) to prepare a polyacetal resin composition. The phenol component (B1) may be a novolak phenol-series resin, a phenol aralkyl-series resin, a polyvinyl phenol-series resin, a polyhydric phenol, a polyphenol, a catechin compound, or a lignin. The amino acid (B2) may be an ?-amino acid, a ?-amino acid, a ?-amino acid, a ?-amino acid, or a derivative of an amino acid. The polyacetal resin composition may further contain an antioxidant, a heat stabilizer, a processing stabilizer, a weather (light)-resistant stabilizer, or a coloring agent. The polyacetal resin composition ensures marked inhibition of formaldehyde emission.

Abstract: A polyolfin composition having high resistance to degradation is formed of at least one polyolefin component, bis(2,4dicumylphenyl)pentaerythritol diphosphite, triisopropanolamine, a hydrotalcite component, and at least one phenol component.

Abstract: The present invention relates to antimicrobial compositions, methods for the production of these compositions, and use of these compositions with medical devices, such as catheters, and implants. The compositions of the present invention advantageously provide varying release kinetics for the active ions in the compositions due to the different water solubilities of the ions, allowing antimicrobial release profiles to be tailored for a given application and providing for sustained antimicrobial activity over time. More particularly, the invention relates to polymer compositions containing colloids comprised of salts of one or more oligodynamic metal, such as silver. The process of the invention includes mixing a solution of one or more oligodynamic metal salts with a polymer solution or dispersion and precipitating a colloid of the salts by addition of other salts to the solution which react with some or all of the first metal salts.

Abstract: A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) two different compounds selected from the group consisting of an organic salt of Zn, an inorganic salt of Zn, an organic salt of Mg and an inorganic salt of Mg; the weight ratio of the two different compounds being 1:10 to 10:1; with the provisos that (1) the stabilizer mixture is essentially free of perchloric acid, and (2) the two compounds in component (B) are different from the combination ZnO and Zn stearate and the combination ZnO and hydrotalcite; is useful for stabilizing an organic material, in particular a polyolefin, against degradation induced by light, heat or oxidation.