Abstract: A method of forming a composite material includes disposing dried plant material, nanoparticles, and a supercritical fluid in a vessel. A cellular structure of the dried plant material expands when disposed in the supercritical fluid and the nanoparticles migrate into and are embedded within the expanded cellular structure of the disposed dried plant material. The disposed dried plant fibers with embedded nanoparticles are removed from the vessel and mixed with a polymer to form a polymer-nanoparticle mixture. A chemical additive can be added to the supercritical fluid and the chemical additive can remove at least one of hemicellulose, lignin and pectins from the dried plant material.

Abstract: Embodiments of the present invention relate to methods for preparing high optical density solutions of nanoparticle, such as nanoplates, silver nanoplates or silver platelet nanoparticles, and to the solutions and substrates prepared by the methods. The process can include the addition of stabilizing agents (e.g., chemical or biological agents bound or otherwise linked to the nanoparticle surface) that stabilize the nanoparticle before, during, and/or after concentration, thereby allowing for the production of a stable, high optical density solution of silver nanoplates. The process can also include increasing the concentration of silver nanoplates within the solution, and thus increasing the solution optical density.

Abstract: A coating composition includes: (i) a film-forming resin; (ii) an infrared reflective pigment; and (iii) an infrared fluorescent pigment or dye different from the infrared reflective pigment. A multi-layer coating including the coating composition, and a substrate at least partially coated with the coating composition is also disclosed. A method of detecting an article at least partially coated with the coating composition is also disclosed.

Abstract: Provided is a polyamide resin composition capable of providing a molded article having an excellent wear resistance while maintaining a high mechanical strength; a molded article; and a method for manufacturing a polyamide resin pellet. The polyamide resin composition includes a polyamide resin and an inorganic filler, wherein the polyamide resin includes diamine-derived constituent units and dicarboxylic acid derived constituent units; 70 mol % or more of the diamine-derived constituent units are derived from 1,4-bis(aminomethyl)cyclohexane; a molar ratio of cis:trans of the 1,4-bis(aminomethyl)cyclohexane is from 35:65 to 0:100; 70 mol % or more of the dicarboxylic acid-derived constituent units are derived from an ?,?-linear aliphatic dicarboxylic acid having from 8 to 12 carbons; and the polyamide resin includes phosphorus atoms in a ratio of from 20 to 100 mass ppm and comprises calcium atoms so as to be phosphorus atoms:calcium atoms of 1:0.3 to 0.7 in a molar ratio.

Abstract: A process for the preparation of a mineral filler product is disclosed, the process comprising a step of dry grinding a calcium carbonate-comprising material in a mixture obtained by contacting the calcium carbonate-comprising material with at least one polydimethylsiloxane as grinding agent.

Abstract: A compact camera module that contains a generally planar base on which is mounted a lens barrel is provided. The base, barrel, or both are molded from a polymer composition that includes a thermotropic liquid crystalline polymer and a plurality of mineral fibers (also known as “whisker”). The mineral fibers have a median width of from about 1 to about 35 micrometers and constitute from about 5 wt. % to about 60 wt. % of the polymer composition.

Abstract: Embodiments of the present invention relate to methods for preparing high optical density solutions of nanoparticle, such as nanoplates, silver nanoplates or silver platelet nanoparticles, and to the solutions and substrates prepared by the methods. The process can include the addition of stabilizing agents (e.g., chemical or biological agents bound or otherwise linked to the nanoparticle surface) that stabilize the nanoparticle before, during, and/or after concentration, thereby allowing for the production of a stable, high optical density solution of silver nanoplates. The process can also include increasing the concentration of silver nanoplates within the solution, and thus increasing the solution optical density.

Abstract: Methods and materials are described for preparing organic-inorganic hybrid gel compositions where a sulfur-containing cross-linking agent covalently links the organic and inorganic components. The gel compositions are further dried to provide porous gel compositions and aerogels. The mechanical and thermal properties of the dried gel compositions are also disclosed.

Abstract: A refractory formulation containing an anhydrous solvent, an oleophilic rheology modifier and a refractory aggregate exhibits non-thermoplastic behavior, and remains plastic and formable at temperatures in the range of 10 degrees Celsius to 180 degrees Celsius. The oleophilic rheology modifier may effectively bind with the solvent to create a gel-like structure with organic solvents with moderate to high polarity. A phyllosilicate clay that has been treated with a quaternary fatty acid amine may be used as the oleophilic rheology modifier.

Abstract: An elastomer nanocomposite comprises an elastomer comprising a non-functionalized first elastomer and a functionalized second elastomer and a functionalized filler crosslinked with the elastomer, wherein the non-functionalized first elastomer and the functionalized second elastomer are independently an ethylene-propylene-diene monomer rubber; a nitrile butadiene rubber; a hydrogenated nitrile butadiene rubber; a butadiene rubber; a styrene-butadiene rubber; an acrylonitrile butadiene rubber; an acrylate-butadiene rubber; a natural rubber; a polyisoprene rubber; a polychloroprene rubber; an ethylene-vinyl acetate rubber; a polypropylene oxide rubber; a polypropylene sulfide rubber; a fluoroelastomer; a perfluoroelastomer; a polyurethane rubber, or a functionalized derivative thereof.

Abstract: The present disclosure provides an example where a white ink can include an aqueous ink vehicle and from 5 wt % to 60 wt % of a white flocculated colorant mass. The white flocculated colorant mass can include white metal oxide pigment, an alumina coating, and polymeric dispersant associated with a surface of the alumina-coated pigment. The white metal oxide pigment can have an average particulate size from 100 nm to 2,000 nm. The alumina coating on the white metal oxide pigment can form an alumina-coated pigment where the alumina coating is predominantly alumina, and the white metal oxide pigment content to alumina content can be from 99:1 to 9:1 by weight.

Abstract: Thermal barrier mixtures and method of making the thermal barrier mixtures are described herein. The thermal barrier mixtures may be used to make thermal barrier coatings. Thermal barrier mixture may include halloysite and one or more silicon compounds.

Abstract: A coating composition and coating products made therefrom, containing modified inorganic nanoplatelets that form mesomorphic structure in a resin phase. The coating products exhibit low permeation/penetration properties, and can be used as anti-corrosion or barrier coatings.

Abstract: A refractory formulation containing an anhydrous solvent, an oleophilic rheology modifier and a refractory aggregate exhibits non-thermoplastic behavior, and remains plastic and formable at temperatures in the range of 10 degrees Celsius to 180 degrees Celsius. The oleophilic rheology modifier may effectively bind with the solvent to create a gel-like structure with organic solvents with moderate to high polarity. A phyllosilicate clay that has been treated with a quaternary fatty acid amine may be used as the oleophilic rheology modifier.

Abstract: The invention concerns the combined use, in an elastomer composition preferably comprising an isoprene elastomer, a precipitated silica containing titanium and a specific conjugated diene compound, such as a conjugated diene phosphonate or phosphinate compound. It also concerns the elastomer compositions obtained and the items produced from said compositions.

Abstract: The present invention generally relates to polyurethanes and polyurethane prepolymers having improved mechanical properties over ordinarily produced polyurethanes or polyurethane prepolymers. Such polyurethanes and prepolymers include very small amounts of organically-modified layered clays, and more specifically, less than 1 weight percent, based upon the total polymer composition, of a layered clay exfoliated with organic quaternary ammonium salts having alkyl substituents, wherein at least one of the alkyl substituents carries an —NH2 group.

Abstract: Powder compositions and articles and methods of forming articles from powder compositions are provided. The powder compositions include at least one polymer powder and an amount of reinforcing particles having an aspect ratio of preferably at least about 5:1. In a preferred embodiment, the powder composition is capable of being formed, via a laser sintering process, into a three-dimensional article that exhibits one or more desirable mechanical properties in an elevated temperature environment.

Abstract: This disclosure concerns the production of ZnO (zinc oxide) coated particles for use in rubber as a substitute for bulk ZnO particles. Compared to bulk oxide, oxide coated particles offer the advantage of a higher specific surface per mass unit of ZnO. This implies both ecological and economical benefits. An enhanced process is presented for the synthesis of aggregate particles, comprising a core of CaCO3, which is at least partially coated with ZnO, comprising the steps of: heating a metallic Zn bath, thereby evaporating Zn and forming a Zn-vapor atmosphere; injecting CaCO3 particles as core compound in the Zn-vapor atmosphere; injecting air in the Zn-vapor atmosphere in an amount in excess of the stoechiometric need for the oxidation of the Zn vapor to ZnO. This process is clean and sustainable, producing no unnecessary phases.

Abstract: A method of making a high density organic polymeric particle, suitable for use in milling, includes the steps of: providing an oil phase including a high density metal, a metal modifying agent, a cross-linkable organic monomer mixture, and an oil soluble polymerization initiator; admixing the oil phase under high shear conditions in an aqueous medium to produce droplets of the oil phase in the aqueous medium; and adding a hydrocolloid to the aqueous medium containing the droplets of the oil phase. The method further includes polymerizing the droplets of the oil phase to produce high density organic polymeric particles comprising a cross-linked polymer host matrix and a high density metal wherein the high density metal is within the interior of the cross-linked polymer host matrix.

Abstract: The invention relates to a method for preparing silica modified by a silane coupling agent. The method comprises the following steps: preparing a kind of coupling agent sol solution by mixing the solvent, water, catalyst and coupling agent; uniformly dispersing silica into the sol solution by means of ultrasonic dispersion or shear dispersion to achieve a turbid solution with uniform dispersion and ideal particle size; and then stirring the turbid solution at a constant speed to make the coupling agent sol reacting with silica to prepare highly hydrophobic silica modified by the coupling agent through controlling the temperature and reaction time. The coupling agent sol solution is obtained by a sol-gel process and silica is uniformly dispersed in the coupling agent sol solution through combined action of various dynamic means to ensure the sufficient reaction between silica and coupling agent, thus to obtain silica modified by the coupling agent.

Abstract: The present invention provides a method for producing a rubber composition containing a rubber component (A) of at least one selected from natural rubbers and synthetic dienic rubbers, a filler containing an inorganic filler (B), a silane coupling agent (C) and at least one vulcanization promoter (D) selected from thiurams, dithiocarbamate salts, thioureas and xanthate salts, wherein the rubber composition is kneaded in multiple stages, and in the first stage of kneading, the rubber component (A), all or a part of the inorganic filler (B), all or apart of the silane coupling agent (C) and the vulcanization promoter (D) are kneaded. The production method enables production of a rubber composition having a low-heat-generation property while successfully enhancing the coupling function activity of the silane coupling agent.

Abstract: This invention relates to ink compositions useful for preparing films of CTS and CZTS and their selenium analogues on a substrate. Such films are useful in the preparation of photovoltaic devices.

Abstract: The present invention provides a dental mill blank having excellent mechanical strength and having gloss retention high enough to maintain the gloss similar to that of natural teeth in an oral cavity for a long period of time. The present invention is a dental mill blank made of a cured product of a curable composition containing: a polymerizable monomer (A); and a spherical inorganic filler (B) having an average primary particle size of not less than 0.1 ?m and less than 1 ?m.

Abstract: The present invention relates to a molded article exhibiting a low linear expansion coefficient and a method of producing the molded article. The molded article is molded from a resin composition containing at least a thermoplastic cyclic olefin resin and silica particles surface-modified with amino functional groups and having a number average particle diameter of primary particles of 10 nm or more and 50 nm or less. The resin composition contains the silica particles in an amount of 34% by mass or more and 85% by mass or less.

Abstract: The invention relates to a process for preparing a dispersion-based or hotmelt pressure-sensitive adhesive based on at least one polymer, which involves crosslinking the at least one polymer, the polymer having functional groups Y, the polymer additionally being admixed with at least one kind of functionalized particles which have at least one polymeric base unit, characterized in that the particles have a monomer as base unit, the monomer having at least one kind of functional groups Z which are not able to enter into any reaction with the functional group Y and which, by thermal energy, electromagnetic radiation, particulate radiation and/or sound energy, are converted into the group X, the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and of the functional groups Y of the polymer, and additionally to pressure-sensitive adhesives based on at least one crosslinked polymer component, wherein the crosslinking of the polymer component

Abstract: Methods using solid-state shear pulverization and melt mixing and related polymer-carbon nanotube composites, as can be used to affect various mechanical and/or physical material properties.

Abstract: The present invention relates to polymers comprising absorption pigments, which are distinguished by the fact that they have high absorption in the near IR region, and to the use thereof, in particular in thermoforming and in IR light welding.

Abstract: A dispersion, comprising 0.1 to 25% by weight hydrophobized silica, 8 to 90 wt % of at least one alcohol selected from the group consisting of ethanol, 1-propanol and 2-propanol, 7 to 89 wt % of water, 0 to 30% by weight solvent immiscible with water, and 0.04 to 5 wt % of at least one carboxyvinyl polymer present in neutralized form, can be applied to a surface using a non-drip application method and, by modifying the surface with hydrophobized silica, imparts water-repelling and self-cleaning properties to the surface.

Abstract: Crosslinkable or crosslinked silicone compositions, forming water-repellent and release coating for a flexible heat sensitive support of paper or polymer, and comprising crosslinking polyorganosiloxanes (POSs) bearing ?Si—H units and unsaturated, preferably ?Si-Vi, vinyl-containing POSs, capable of reacting with the crosslinker by polyaddition, in the presence of platinum in order to form the crosslinked release coating on the flexible support. The object is enabling the coating composition to crosslink instantaneously to produce, on various flexible supports (paper, e.g. glassine, or polymer, e.g. polyester such as polyethylene terephthalate PET), a crosslinked silicone coating leaving the coating machine, with excellent attachment (adhesion) and mechanical strength or cohesion—“Rub-off”—properties.

Abstract: Provided is a vinylidene fluoride resin film that has good adhesiveness to a base material, achieves good dispersivity even when a pigment is contained in large amounts, and has excellent thermal stability during a forming process. To a resin component composed of a vinylidene fluoride resin and a methacrylic acid ester resin, a predetermined amount of a titanium oxide surface treated with alumina and silica and a predetermined amount of a fatty acid ester of polyethylene glycol and/or its derivative are added to prepare a vinylidene fluoride resin film. Alternatively, at least a front side layer and a back side layer have such a composition, the front side layer has a combination amount of the vinylidene fluoride resin and the methacrylic acid ester resin of 70:30 to 95:5 in terms of mass ratio, and the back side layer has a combination amount of the vinylidene fluoride resin and the methacrylic acid ester resin of 5:95 to 45:55 in terms of mass ratio.

Abstract: A method of forming a solid-state polymer can include grafting a graft polymer to nanoparticles to provide grafted nanoparticles, and dispersing the grafted nanoparticles in a polymer matrix to provide a specified loading of the grafted nanoparticles within the polymer matrix to form a solid-state polymer. A solid-state polymer can include grafted nanoparticles comprising a polymer graft grafted to nanoparticles, and a polymer matrix, in which the grafted nanoparticles are dispersed to form a solid-state polymer, the dispersion configured to provide a specified loading of the grafted nanoparticles within the solid-state polymer.

Abstract: Composite material comprising—one or more heat-activatable free-radical initiators selected from the group consisting of organic peroxides and/or initiators having labile carbon-carbon bonds and particles which have a core-shell structure and the core of which comprises one or more magnetic materials, while the shell comprises silicon dioxide.

Abstract: A molded plastic body is produced from a cured reaction mixture. The reaction mixture is pourable in a non-cured state and includes 50 to 90% by weight, based on the reaction mixture, of an inorganic particulate filler, a crosslinking agent, and 10 to 50% by weight, based on the reaction mixture, of a binder solution. The binder solution includes a monomer and a polymer dissolved in it. The molded plastic body is characterized in that the percentage of the crosslinking agent admixed with the binder solution is more than 10% by weight based on the percentage of the monomer in the binder solution. The invention also relates to a method for producing the molded plastic body.

Abstract: A fiber wadding for filling bone defects having a flocculent three-dimensional structure is disclosed. The fiber wadding includes a plurality of fibers that contain a biodegradable resin as a principal component and a siloxane. Outside diameter of the plurality of fibers of the wadding is from about 0.05 ?m to about 30 ?m. Bulk density of the fiber wadding is about 0.005-0.3 g/cm3.

Abstract: There are provided curable resin sols comprising an essentially volatile-free, colloidal dispersion of substantially spherical nanosilica particles in a curable bisimide resin, said particles having surface-bonded organic groups which render said particles compatible with said curable bisimide resin. There are also provided compositions comprising such curable resin sol and reinforcing fibers, a process for preparing such compositions, and various articles made using such curable resin sols and compositions.

Abstract: Method for preparing a silica/natural rubber masterbatch, including: doping the silica with magnesium; preparing at least one dispersion of the resulting doped silica in water; bringing a natural rubber field latex into contact with the aqueous doped-silica dispersion and mixing them together so as to obtain a coagulum; recovering the coagulum; and drying the recovered coagulum so as to obtain the masterbatch.

Abstract: A light diffusing thermoplastic resin composition comprising: (A) a transparent thermoplastic resin; and (B) organic modified functional silica particles having 5 ??? to 15 ??? of the average particle size and 600 m2/g to 800 m2/g of the BET specific surface area, wherein the amount of component (B) is 0.05 to 20% by weight of total amount of components (A) and (B), has an excellent light diffusing property and a high total light transmittance, inhibits discoloration, when melt-processed or used.

Abstract: The invention relates to a ceramic particulate and polymer composite having enhanced viscoelastic and rheological properties.

Abstract: Disclosed are a new composite material and a process for synthesizing highly charged, highly monodisperse, core-shell particles with high refractive index cores, as well as stable, long lasting crystalline colloidal arrays (CCAs) formed thereof. A preferred embodiment of the core particle can be highly monodisperse zinc sulfide (ZnS) particles and a preferred embodiment of the shell can be highly charged polyelectrolytes. The CCAs formed thereof are charge stabilized photonic crystals that shows distinctive first and second order Bragg diffraction peaks whose locations vary over a wide spectral region from UV through visible to IR, with unusually strong intensity and broad band width due to the high index of refraction. These high refractive index particles are useful in applications such as optical filters, optical coatings, cosmetics and photonic crystals sensors and devices.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising: at least one diene based elastomer; and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a particulate composite comprising ultra high molecular weight polyethylene, an inorganic filler, and a network of interconnecting pores communicating throughout the particulate composite, the pores constituting at least 35 percent by volume of the particulate composite.

Abstract: The invention provides a modified perovskite type composite oxide in which the particle surface of a perovskite type composite oxide is coated with a first component of at least one selected from TiO2 and SiO2 and a second component of at least one selected from a group consisting of Al, Zr, Nd, La, Ce, Pr, and Sm, wherein the coating is formed by hydrolyzing at least one selected from a hydrolyzable TiO2 precursor and a hydrolyzable SiO2 precursor as a source of the first component and a salt of at least one selected from a group consisting of Al, Zr, Nd, La, Ce, Pr, and Sm as a source of the second component, and then calcining them.

Abstract: Polymer-graphite compositions and related methods of using solid-state shear pulverization as can be used to affect one or more physical properties thereof.

Abstract: The instant disclosure relates to a method of making a dispersion of polymer binder-encapsulated silica pigments for coating an ink-jet recording substrate. The method includes mixing first components of the dispersion to form a mixture, the first components including binder polymer, treating agents and a vehicle selected from the group consisting of water, a water-miscible organic solvent, and combinations thereof; shear mixing silica pigment into the mixture; and after the silica pigment is added to the mixture, shear mixing the mixture at a higher temperature and an increased grinding rate compared to a temperature and grinding rate of the shear mixing of the silica pigment into the mixture.

Abstract: A vibration-proof rubber composition excellent in both characteristics of durability and compression set characteristic is provided. A vibration-proof rubber composition includes components (A) to (C) below, wherein an amount of reacted silane coupling agent in the component (B) is 6.5% by weight or more, and an amount of unreacted silane coupling agent is in a range of 0.5 to 2.5% by weight: (A) diene rubber; (B) pre-treated silica prepared by surface-treating, with a silane coupling agent, silica having a BET specific surface area in a range of 180 to 230 m2/g; and (C) sulfur.

Abstract: Compositions include an aqueous continuous liquid phase and core-shell particles dispersed in the aqueous continuous liquid phase. Each core-shell particle includes a polymer core surrounded by a shell consisting essentially of nonporous spherical silica particles disposed on the polymer core, wherein the nonporous spherical silica particles have a volume average particle diameter of 60 nanometers or less. Methods of making and using the compositions to coat a substrate are also disclosed.

Abstract: The present invention relates to polymer composites prepared from a host polymer and particles. Specifically, this invention is concerned with the organic modification of the particles. More specifically, the particles are organically modified with at least two organic modifiers that are different and have specific chemical and physical properties.

Abstract: The purpose of the present invention is to provide an additive for a solvent-based coating material which has high coating material product stability when added to a solvent-based coating material and whereby the resulting coating film has excellent abrasion resistance. Specifically, the present invention provides a silica composition containing silica coated with a cationic surfactant represented by a specific structure, and also provides a solvent-based coating material composition comprising the silica composition.

Abstract: The present invention relates to a heat-meltable fluoropolymer composite composition having excellent thermal conductivity, gas and chemical liquid barrier properties and dynamic properties such as storage modulus which comprises a heat-meltable fluoropolymer fine powder and a layered-compound organized by treatment with tetraphenyl phosphonium ions. The present invention also relates to a heat-meltable fluoropolymer composite composition having similar properties to those mentioned above which is obtained by a process (I) in which a heat-meltable fluoropolymer composite composition is obtained by grinding and mixing a heat-meltable fluoropolymer fine powder and a layered-compound and a process (II) in which such heat-meltable fluoropolymer composite composition thus obtained is melted and mixed under shear stress by means of a melt-mixing extruder.

Abstract: Methods using solid-state shear pulverization and melt mixing and related polymer-carbon nanotube composites, as can be used to affect various mechanical and/or physical material properties.

Abstract: Chain-extended nanonylon is made from the reaction of in-situ polymerized nanonylon and chain-extending agents. Knowing the viscosity/shear rate curve for a thermoplastic polymer to be replaced, such as nylon, the method of the present invention allows via adjustment of organoclay concentration and chain extension of the nylon polymer and other reaction factors to achieve a chain-extended, in-situ polymerized nanonylon to have a viscosity/shear rate curve that essentially matches the viscosity/shear rate curve for that neat nylon within a commercially operable shear rate.