Abstract: The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject premixed compositions need only maintain inventory of four compositions. The particular compositions which are the subject of the invention exhibit stable characteristics during storage in their respective reservoirs. The compositions include a pigment composition, a dispersant thickening agent, a high resin content binder, and a low resin content binder. The compositions are combined in differing amounts to produce paint compositions being suitable for either interior or exterior use and having differing sheens, quality levels, and color bases.

Abstract: A particle of TiO2 or ZnO which has been doped with one or more other elements such that the concentration of dopant in the surface of the particle is greater than that at the core of the particle, and compositions containing such particles for use as sunscreens or in veterinary, agricultural or horticultural compositions or as coatings for plastics and other materials.

Abstract: Disclosed are natural products composites protected against the deleterious effects of microorganisms comprising at least one natural product, at least one thermoplastic resin, and an effective amount of an antifungal agent. The composites are further advantageously protected against weathering and color formation by the incorporation therein of at least one light stabilizer and at least one compound selected from the group consisting of the oxides, hydroxides or silicates of Ca, Mg, Al and Zn. The light stabilizers are selected from the group consisting of the ultraviolet light absorbers and the sterically hindered amines. The metal oxide is for example CaO. The natural products are for example wood flour, flax, hemp, jute, kenaf, or rice husk. The thermoplastic resin is for example polyethylene or polypropylene. The antifungal agent and potential coadditives are incorporated via melt processing such as extrusion, co-kneading, pultrusion and injection molding.

Abstract: This invention relates to the preparation of silica-rich rubber compositions which contain silica reinforcement and silica coupler together with a specified combination of zinc oxide and long chain (fatty) carboxylic acid such as stearic acid. The silica, silica coupling agent, zinc oxide and stearic acid are combined in a manner to form a complex network. The silica is a precipitated silica in a form of silica aggregates which contain hydroxyl groups on its surface. A preferred silica coupling agent is a bis (3-trialkoxysilylalkyl) polysulfide which contains an average of from 2 to about 4, preferably from 2 to about 2.6, connecting sulfur atoms in its polysulfidic bridge. The invention further relates to tires having a component thereof such as, for example, a tread.

Abstract: A coating composition is provided comprising: (i) a fluorinated polymer comprising (a) structural units having the formula (I): —CR1R2—CFX— ??(I) wherein R1 and R2 are each independently an alkyl group, a fluorine atom, a chlorine atom, a hydrogen atom or a trifluoromethyl group, and X is a fluorine atom, a chlorine atom, a hydrogen atom or a trifluoromethyl group, and (b) structural units comprising at least one type of crosslinkable functional group; (ii) a crosslinking agent; and (iii) a plurality of particles functionalized with a functional group, wherein the functional group on the particles is essentially non-reactive with the fluorinated polymer and with the crosslinking agent. Articles comprising a coating composition described in embodiments of the invention are also provided.

Abstract: According to one aspect of the invention, a structure and method for providing improved thermal conductivity of a thermal interface material (TIM) made of phase changed polymer matrix and a fusible filler material is disclosed. The TIM may also have a non-fusible filler material and a percentage of a non-phase change polymer added to the phase change polymer matrix. The TIM, used to mate and conduct heat between two or more components, can be highly filled systems in a polymeric matrix where the fillers are thermally more conductive than the polymer matrix.

Abstract: The present invention relates to silica filled multi-viscoelastic response rubber which is thermomechanically mixed with an organosilicon compound during the non-productive mix stage and zinc oxide is added during the productive stage of mixing.

Abstract: An adhesive composition containing an aqueous butadiene polymer latex, and an acid scavenging compound, wherein the adhesive comprises essentially no phenolic resin or methylene donor compounds. The aqueous covercoat adhesive is particularly well suited for rubber to metal bonding applications. The adhesive have shown excellent adhesion to a number of compounds but perform best on natural rubber compounds and prefer higher cure temperatures to lower cure temperatures. Further, the formulation has been developed without the need for a methylene donor such as 2-polyoxymethylene dimethylether (gamma POM).

Abstract: The present invention relates to compositions and preparative process of partially or fully neutralized mixtures of carboxylate functionalized ethylene high copolymers or terpolymers (Mw between 80,000 and 500,000) with carboxylate functionalized ethylene low copolymers (Mw between 2,000 and 30,000) and organic acid salts and injection or compression molded applications such as golf ball components thereof.

Abstract: A thermal interface material composition including a blend of a polymer matrix and a thermally conductive filler having particles having a maximum particle diameter no greater than about 25 microns, wherein the polymer matrix includes an organopolysiloxane having at least two silicon-bonded alkenyl groups per molecule, an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms per molecule and a hydrosilyation catalyst comprising a transition metal, wherein the transition metal is present in an amount of from about 10 to about 20 ppm by weight based on the weight of the non-filler components and the molar ratio of the silicon-bonded hydrogen atoms to the silicon-bonded alkenyl groups ranges from about 1 to about 2. A method is also provided.

Abstract: Polyoxymethylene with improved resistance to acids, comprising A from 84 to 99.79% by weight of at least one polyoxymethylene homo- or copolymer, B from 0.1 to 5% by weight of at least one polyalkylene glycol, C from 0.1 to 10% by weight of zinc oxide, and D from 0.01 to 1% by weight of one or more nitrogen-containing costabilizers, where the total of the percentages by weight of components A to D is 100%. This polyoxymethylene is particularly advantageous when used for producing moldings for use in contact with aggressive acids or with aggressive acid-containing cleaning agents, in particular for applications in the sanitary sector or the white goods sector.

Abstract: The invention relates to grout compositions that are suitable for packaging in pressurized containers. The compositions comprise a mineral filler that has average particle size greater than about 160 micrometers in which the mineral particles exhibit a Mohs hardness less than about 6.5.

Abstract: Polymer-inorganic particle blends are incorporated into structures generally involving interfaces with additional materials that can be used advantageously for forming desirable devices. In some embodiments, the structures are optical structures, and the interfaces are optical interfaces. The different materials at the interface can have differences in index-of-refraction to yield desired optical properties at the interface. In some embodiments, structures are formed with periodic variations in index-of-refraction. In particular, photonic crystals can be formed. Suitable methods can be used to form the desired structures.

Abstract: A composition suitable for use in a powder coating process comprising a powdered polymer composition and a metal oxide based fluidization enhancer, or a metal oxide based flatting agent.

Abstract: A molding composition exhibiting bleach resistance includes a polyoxymethylene matrix polymer, from about 0.5 to about 10 weight percent of a bleach stabilizer selected from alkali metal or alkaline earth element carbonates or phosphates and mixtures thereof dispersed in the matrix resin. A bleach co-stabilizer is selected from the group consisting of: (a) a poly(alkoxy) stabilizer; (b) a zinc oxide stabilizer; (c) a color stabilizer consisting of a mixture of calcium citrate and calcium propionate, wherein the calcium citrate is the predominant component of the color stabilizer mixture; or (d) mixtures of two or more of (a), (b) and (c). The compositions exhibit a bleach resistance index of at least 2.0.

Abstract: A curable film-forming composition is provided comprising (i) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight of a polymer containing a plurality of functional groups reactive with the crosslinking agent; and (iii) 5 to 85 percent by volume of particles having a mean particle size less than 100 nm. The particles comprise 1 to 99 percent by weight of at least one metal oxide wherein the metal is selected from zinc, titanium, cerium, manganese, bismuth, copper, zirconium and iron. A multi-component composite coating composition is also provided, comprising a pigmented basecoat and a clear coat. The basecoat and/or clearcoat may be derived from the curable film-forming composition described above. Also provided are coated substrates in which the curable coating compositions or the multi-component composite coating compositions described above are applied to a substrate and cured to form a cured coating.

Abstract: Composites which include a polymer matrix having natural free volume therein and an inorganic or organic material disposed in the natural free volume of the polymer matrix are disclosed. In addition, methods for making a composite are described. A polymer matrix having free volume therein is provided. The free volume is evacuated, and inorganic or organic molecules are infused into the evacuated free volume of the polymer matrix. The inorganic or organic molecules can then be polymerized under conditions effective to cause the polymerized inorganic or organic molecules to assemble into nanoparticles or other types of macromolecular networks. Alternatively, where the polymer matrix contains a functionality, the inorganic or organic molecules can be treated under conditions effective to cause the inorganic or organic molecules to interact with the polymer matrix's functionality.

Abstract: The invention concerns an insulating nozzle for a gas blast circuit breaker. In accordance with the invention, the material constituting the nozzle comprises (A) 90% to 99.9% by weight of a fluorinated polymer, and (B) 0.1% to 10% by weight of a filler based on at least one oxide selected from (B1) SiO2 and other oxidized forms of metals from column IVA of the periodic table, and (B2) ZnO, CdO and other oxidized forms of metals from column IIB of the periodic table.

Abstract: PHA pellet compositions are provided which are processible into blown and cast free-standing films. The Mw of the PHA in the pellets used to produce the films is at least 470,000, at least 435,000 if PHA thermal stabilizers of the invention are used. In order to achieve a stable, unsupported film having desirable elongational and tensile properties, the Mw of PHA in the film is greater than about 420,000.

Abstract: A tire for vehicles includes a tread having a vulcanized polymeric base including at least one reinforcing filler dispersed in the polymeric base; an amount of extractable residue of at least one vulcanization accelerator, containing at least one carbon atom bound to at least two sulfur atoms, from 0.5% to 1.8% by weight based on a total weight of the tread; an amount of at least one activator, expressed as equivalents of zinc oxide, not higher than 2% by weight based on the total weight of the tread; and an amount of combined sulfur lower than 2.5% by weight based on the total weight of the tread. A tread for vehicle tires, a vulcanizable rubber composition for the manufacture of such a tread, and a vulcanizing system, all related to the tire for vehicles, are also disclosed.

Abstract: The present invention relates to a dip molding, a composition for dip molding, and a method for producing a dip molding. The dip molding is molded from a conjugated diene based rubber latex, crosslinked by a water-soluble multivalent metal salt, and contains substantially none of any of a sulfur-containing vulcanizing agent, a vulcanization accelerator for the vulcanizing agent, and zinc oxide. The dip molding has very few pinholes, has good feel, and has sufficient strength.

Abstract: The invention concerns the use as anti-UV agent, in an elastomer rubber composition, of titanium dioxide particles of not more than 20 mn in size, said particles being coated with a silica, silico-aluminate or alumina layer. The invention also concerns rubber compositions comprising such an anti-UV agent and finished products based on said composition.

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: The invention is the manipulation of the zinc oxide content and sulfur content of nitrile butadiene rubbers and selected vulcanization conditions that can be achieved economically with common production facilities. The manipulation of these components affects the relaxation property of gloves formed by this material. Produced are gloves that have a relaxation property, higher than 50%, and a low modulus (approximately 3 Mpa). The glove maintains decent ultimate tensile strength (>20 Mpa) and elongation (>500%). The glove is produced by a vulcanization process, which lasts from 5 to 60 minutes at temperatures ranging from 300° F. to 400° F. The tensile strength and elongation are well above the ASTM requirements for medical gloves. The current ASTM requirements are ASTM D412-92. Thanks to sufficient vulcanization, the films produced provide satisfactory protection from viral penetration. The tearing strength is also better because of the lower modulus.

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.

Abstract: A composition containing transparent thermoplastic polymers and a surface modified oxide particles is disclosed. The size of the particles is less than 200 nm and the composition is suitable for the preparation of products wherever diathermancy is undesirable.

Abstract: Methods to decrease aldehyde content of a polymer are provided. An effective amount of an additive that contains a P—H functionality is incorporated into the polymer in the presence of an acidic of basic catalyst compositions are also provided.

Abstract: In a multi-piece solid golf ball comprising a solid core consisting of a center core and an outer core, an inner cover layer and an outer cover layer, the solid core is molded from a rubber composition comprising a base rubber composed of (a) a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content and a viscosity ? of up to 600 mPa·s at 25° C.

Abstract: Composition comprising a fluorescent material comprising the mixture of one or more metal salts selected from the group consisting of metal oxides and metal hydroxides; one or more carbohydrate(s) selected from the group consisting of sugar and starch; and one or more organic acid(s), method of preparation comprising mixing the components in the presence of water and then drying, and use of the fluorescent material in paper, plastic, polymer, resin, and paint. The resultant papers, plastics, polymers, resins, and paint have whiteness and brightness due to the fluorescence.

Abstract: A method of preparing an electrically conductive polymer blend, and an electrically conductive polymer blend includes steps of selecting at least two polymeric materials that are substantially immiscible together, mixing the polymeric materials into a blend so that at least one of the polymeric materials forms a continuous three-dimensional phase through the entire blend, and mixing an electrically conductive filler into the blend. The difference in surface tension between the polymeric material forming the continuous three-dimensional phase and the other polymeric materials forming the blend is at least 2 mN/m.

Abstract: A rubber compound comprising any raw rubber, from about 5% to about 75% by weight, and a zinc oxide dispersion, from about 25% to about 95% by weight. The specific gravity of the compound is within the range from about 1.4 gm/cc to about 3.4 gm/cc. The resulting material is a soft, pliable and flexible rubber with a relatively high specific gravity. Further, the compound is non-toxic, containing no known hazardous ingredients. The compound is a good alternative to metallic weights or metallic-filled rubbers currently used in the fields of sporting goods, exercise equipment, rehabilitation equipment, and any other manufacturing arenas.

Abstract: The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject premixed compositions need only maintain inventory of four compositions. The particular compositions which are the subject of the invention exhibit stable characteristics during storage in their respective reservoirs. The compositions include a pigment composition, a dispersant thickening agent, a high resin content binder, and a low resin content binder. The compositions are combined in differing amounts to produce paint compositions being suitable for either interior or exterior use and having differing sheens, quality levels, and color bases.

Abstract: An organic-inorganic hybrid composite which comprises an inorganic component and an organic conducting component. The inorganic component inhibits deprotonation of the organic conducting component when the composite is exposed to a medium having a pH which would deprotonate the organic conducting component but for the presence of the inorganic component.

Abstract: Process for the preparation of organosilylated carboxylate monomers comprising the step of reacting an acyloxysilane with an unsaturated carboxylic acid, the monomers and their use as comonomer unit in the binder of antifouling coating compositions.

Abstract: A coating containing seed oil comprising the following: a seed oil used as a film forming component for the coating with at least one film forming component for the coating; at least one component to provide opacity and solar reflectivity to the coating; at least one component to provide protection to the coating from ultra-violet degradation; at least one filler component to increase the viscosity of the coating; and at least one film component that provides elongation and flexibility to the coating.

Abstract: A formulation for controlling the thickening profile for sheet molding compositions to a lower viscosity for use in low pressure molding conditions is provided. The B side addition of a modified alkaline earth oxide thickening system using a combination of oxides results in a sheet molding compound that is tack free at lowered viscosities. These sheet molding compounds exhibit extended shelf lives, good flowability, and excellent handling characteristics.

Abstract: A phase change composition comprises: a matrix comprising an organofunctional silicone wax, and a thermally conductive filler. The composition can be used as a thermal interface material in electronic devices. The composition is formulated to have any desired phase change temperature.

Abstract: A curable material useful as thermal material comprises at least one vinyl-terminated silicone oil, at least one conductive filler, and at least one hydrogen terminated silicone oil. The hydrogen terminated silicone oil is used to reduce a shear modulus G? of the cured thermal interface material.

Abstract: A rubber compound comprising any raw rubber, from about 5% to about 75% by weight, and a zinc oxide dispersion, from about 25% to about 95% by weight. The specific gravity of the compound is within the range from about 1.4 gm/cc to about 3.4 gm/cc. The resulting material is a soft, pliable and flexible rubber with a relatively high specific gravity. Further, the compound is non-toxic, containing no known hazardous ingredients. The compound is a good alternative to metallic weights or metallic-filled rubbers currently used in the fields of sporting goods, exercise equipment, rehabilitation equipment, and any other manufacturing arenas.

Abstract: A hardcoat composition comprising (A) a hydrolytic condensate of a hydrolyzable silicon compound of formula: R1aSiX(4-a) with at least 1 mole of water per mole of hydrolyzable group X, (B) a metal oxide, (C) a siloxane resin of formula: R2bSi(OR3)c(OH)dO(4-b-c-d)/2 and having a Mw of at least 2,000, which is solid at a temperature of not higher than 40° C., and (D) a curing catalyst forms a hardcoat film having satisfactory hardness, transparency and adhesion as well as improved weather resistance and presenting a surface that is repellent to marker ink.

Abstract: The present invention relates to compositions and preparative process of partially or fully neutralized mixtures of carboxylate functionalized ethylene high copolymers or terpolymers (Mw between 80,000 and 500,000) with carboxylate functionalized ethylene low copolymers (Mw between 2,000 and 30,000) and organic acid salts and injection or compression molded applications such as golf ball components thereof.

Abstract: This invention relates to a rubber mixture containing a carboxylated nitrile rubber, a metal salt of an acrylate, a liquid acrylate, a silane, optionally together with further additives, to a process for the production thereof and to use for moldings of all kinds, in particular roll coverings.

Abstract: The present invention relates to thermally conductive, elastomeric pads and methods for manufacturing such pads. The methods involve injection-molding a thermally conductive composition comprising about 30 to 60% by volume of an elastomer polymer matrix and about 25 to 60% by volume of a thermally conductive filler material. The resultant pads have heat transfer properties and can be used as a thermal interface to protect heat-generating electronic devices.

Abstract: A composition and a process for producing the composition are disclosed. The composition comprises (1) repeat units derived from a carbonyl compound and a glycol and (2) one or more ultrafine metal oxides. The process can comprise (1) contacting, in the presence of a catalyst and optionally one or more ultrafine metal oxides, a carbonyl compound such as dicarboxylic acid with a glycol under a condition sufficient to produce polyester wherein the glycol can be pretreated with a metal oxide or (2) incorporating an ultrafine metal oxide into or onto polyester. Also disclosed is a process for substantially removing, or reducing the content of, an aldehyde in a glycol which comprises contacting the glycol with at least one metal oxide.

Abstract: A stabilizer mixture containing A) either (A1) at least one compound of the formula in which R1 is for example hydrogen or C1–C8alkyl; R2, R3, R5 and R6 are for example hydrogen, C1–C30alkyl or phenyl; R4 is for example C1–C30alkyl or 2,2,6,6-tetramethyl-4-piperidyl; and n1 is a number from 1 to 50; or (A2) at least one compound of the formulae wherein n2 and n2* are a number from 2 to 50; B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment; with the proviso that, when component A) is at least one compound of the formulae (IIIa) and (IIIb), component B) is magnesium oxide, magnesium hydroxide or an organic salt of zinc or magnesium. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: Polyamide resin compositions suitable for molded articles comprising polyamide, thermoplastic polyphenol, and of carbon fiber are disclosed. These may optionally include aramid fiber and zinc oxide whisker. Such compositions show remarkable shielding performance when subjected to electromagnetic fields, and with outstanding control of warpage and toughness.

Abstract: A stabilizer mixture containing A) for example at least one compound of the formula (I) wherein the radicals R1, independently of one another, are hydrogen, C1–C8alkyl, —O?, —CH2CN, C3–C6alkenyl, C7–C9phenylalkyl, C7–C9phenylalkyl which is substituted on the phenyl radical by C1–C4alkyl; or C1–C8acyl; and B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium, or a hydrotalcite; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment. Such a stabilizer mixture is particularly useful for stabilizing a polyolefin against light-induced degradation.

Abstract: The present invention relates to a denture adhesive composition comprising mixed salts of an alkyl vinyl ether-maleic acid or anhydride copolymer and/or terpolymer with isobutylene wherein the mixed salt contains a cationic salt function comprising at least about 1% strontium cations, from about 1% to about 40% of zinc cations, from 0% to about 2.5% of a cation selected from the group consisting of iron, boron, aluminum, vanadium, chromium, manganese, nickel, copper, yttrium, titanium, and mixtures thereof; from about 36% to about 60% free acid component; and from 0% to about 65% of a cation selected from the group consisting of magnesium, calcium, and mixtures thereof. In addition, the present invention relates to denture adhesive compositions comprising the above composition and at least one non-adhesive self-supporting layer.

Abstract: An abrasion resistant, laser-markable, tape comprising milled virgin polyphenylene sulfide resin, polytetrafluoroethylene and titanium dioxide, and optionally poly-p-oxybenzoate.

Abstract: The present invention relates to a multi-component system for making impressions which contains (a) at least one compound having at least two alkenyl groups; (b) at least one organohydrogenpolysiloxane; (c) at least one hydrosilylation catalyst; characterized by containing (d1) at least one polymeric compound having at least one alkynyl group and/or (d2) at least one compound having at least one Si—OR structural unit, wherein R=H, alkyl, alkoxyalkyl or acyl; and when a compound (d2) having at least one Si—OR structural unit is contained, (e) at least one condensation catalyst and/or condensation cross-linking agent. After the mixing of the components, the materials according to the invention cure in two steps.