Abstract: The present invention provides a method for preparing iron oxide magnetic particles and iron oxide magnetic particles prepared thereby, wherein the method includes (a) synthesizing a complex by reacting iron and one or more compounds selected from the group consisting of an aliphatic hydrocarbonate having 4 to 25 carbon atoms and an amine compound, (b) synthesizing an iron oxide crystal nucleus by mixing the complex with a mixture of an unsaturated aliphatic hydrocarbon-based compound having 4 to 25 carbon atoms and an ether-based compound, and (c) forming a shell by mixing the iron oxide crystal nucleus and an MXn compound with a mixture of an unsaturated aliphatic hydrocarbon-based compound having 4 to 25 carbon atoms and an ether-based compound, wherein M is a heavy atom element, X is a halogen element, and n is an integer of 1 to 6.

Abstract: The present invention provides multilayer coated substrates, prepared using primer and/or sealer compositions comprising waterborne curable film-forming compositions, in turn comprising: a) an aqueous dispersion of a pigment and i) polymeric urethane-shell particles having a care-shell morphology and having hydroxyl functional groups, wherein the core is prepared from a monomer mixture comprising hydrophobic, ethylenically unsaturated monomers and the shell comprises a polyurethane or polyurethane-urea polymer; or ii) polymeric acrylic-shell particles having a core-shell morphology and having hydroxyl functional groups, wherein the core is prepared from a monomer mixture comprising hydrophobic, ethylenically unsaturated monomers and the shell is prepared from a monomer mixture comprising hydrophilic, ethylenically unsaturated monomers; b) a polyisocyanate crosslinking agent; and optionally c) a hydroxyl functional, water dispersible acrylic polymer.

Abstract: A quantum dot includes: a core including a first semiconductor nanocrystal, and a shell disposed on the core, the shell including a second semiconductor nanocrystal and a dopant, wherein the first semiconductor nanocrystal includes a Group III-V compound, the second semiconductor nanocrystal includes zinc (Zn), sulfur (S), and selenium, and the dopant includes lithium, a Group 2A metal having an effective ionic radius less than an effective ionic radius of Zn2+, a Group 3A element having an effective ionic radius less than an effective ionic radius of Zn2+, or a combination thereof. Also a method of producing the quantum dot, and a composite, and an electronic device including the quantum dot.

Abstract: A method, composition, and article of manufacture. The method can include depositing a layer, which includes a set of particles and a set of microcapsules encapsulating polymerizing agents. The method can also include fusing particles in selected areas of the layer with a laser, and rupturing at least a portion of microcapsules using at least one energy source selected from the laser, an ultraviolet (UV) radiation source, and a heat source. The composition can include a set of particles and a set of microcapsules, each containing a polymerizing agent encapsulated by a degradable shell. The article of manufacture can include fused layers that include fused particles and pores sealed in reactions with polymerizing agents released from degradable microcapsules.

Abstract: The invention relates to a security pigment, comprising core-shell particles having a core based on an organic addition polymer, a shell based on an organic condensation polymer and a feature substance present in the core in finely dispersed or dissolved form, wherein the addition polymer is a three-dimensionally cross-linked duromer.

Abstract: Described herein are improved composite anodes and lithium-ion batteries made therefrom. Further described are methods of making and using the improved anodes and batteries. In general, the anodes include a porous composite having a plurality of agglomerated nanocomposites. At least one of the plurality of agglomerated nanocomposites is formed from a dendritic particle, which is a three-dimensional, randomly-ordered assembly of nanoparticles of an electrically conducting material and a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the dendritic particle. At least one nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of its dendritic particle in electrical communication with at least a portion of a dendritic particle of an adjacent nanocomposite in the plurality of agglomerated nanocomposites.

Abstract: A process for reblending a first liquid detergent composition into a second liquid detergent composition.

Abstract: A dentifrice composition containing a polyethylene glycol having an average molecular weight of from about 3,000 to about 8,000, glycerin, precipitated silica, and a fluoride source. The polyethylene glycol forms a crystalline structure in the composition and the composition has a water activity from about 0.25 to about 0.46 measured at about 22° C.

Abstract: Heat-expandable microspheres composed of a thermoplastic resin shell and a thermally-vaporizable blowing agent encapsulated therein, and having an average particle size ranging from 1 to 100 ?m. The amount of DMF-insoluble matter (G1) and the amount of DMF-MEK-insoluble matter (G2) constituting the heat-expandable microspheres satisfy 1.05<G2/G1. The expansion of the heat-expandable microspheres satisfy Hmax/Tmax?13 (?m/° C.) where Hmax and Tmax are as defined herein. Also disclosed in a process for producing the heat-expandable microspheres which includes preparing an aqueous suspension comprising oily globules dispersed in an aqueous dispersion medium containing a hydrophilic cross-linking agent, wherein the oily globules are made of an oily mixture comprising the blowing agent and a monomer component; and polymerizing the monomer component.

Abstract: Methods for enhancing the release and/or absorption of poorly water soluble active agents are described herein. The method involves dissolving, melting, or suspending a poorly water soluble active agent in one or more molten fatty acids, conjugated fatty acids, (semi-) solid surfactants of high HLB value, and/or hydrophilic polymers. The molten active agent mixture is then suspended and homogenized in a hydrophilic or lipophilic carrier to form microparticles suspended in the hydrophilic or lipophilic carrier. The particles suspended in the hydrophilic or lipophilic carrier can be encapsulated in a hard or soft gelatin or non-gelatin capsule. It is believed that the microparticles produced by the method described above will exhibit enhanced dissolution profiles. In vitro release studies of formulations containing cilostazol and fenofibrate showed 100% dissolution of cilostazol in 15 minutes and over 90% dissolution of fenofibrate in 35 minutes.

Abstract: This disclosure is directed to functionalized carbon black material that may be particularly usable for as a filler material to a number of beneficial uses, particularly in image forming devices. The disclosed functionalized carbon black material compositions include hydrophobic carbon black particles surface passivated via the use of an NB-block copolymer where the NB block contains a pentafluorostyrene-maleimide alternating polymer and the B block contains pure pentafluorostyrene. The A/B portion allows for the polymer to adsorb onto the carbon black while the b-block acts as the stabilizer in fluorinated systems. Fine dispersions result from the addition of poly (pentafluorostyrene/Maleimide-b-pentafluorostyrene) or P(PFS/MI-b-PFS) passivated carbon black to fluorinated polymers, enhancing the physical and mechanical properties.

Abstract: Articles, compositions, kits, and methods relating to nanostructures, including those that can sequester molecules such as cholesterol, are provided. Certain embodiments described herein include structures having a core-shell type arrangement; for instance, a nanoparticle core may be surrounded by a shell including a material, such as a lipid bilayer, that can interact with cholesterol and/or other lipids. In some embodiments, the structures, when introduced into a subject, can sequester cholesterol and/or other lipids and remove them from circulation. Accordingly, the structures described herein may be used to diagnose, prevent, treat or manage certain diseases or bodily conditions, especially those associated with abnormal lipid levels.

Abstract: There is described a label comprising a self supporting sheet of a biopolymer, preferably cellulose (e.g. regenerated cellulose, cellulose acetate and/or PLA) said sheet being substantially transparent to visible light when uncoated characterized in that the sheet comprises: (a) a first coating on at least one surface thereof to aid printability thereon; (b) a second coating comprising an adhesive dispersible in an aqueous medium; and (c) optionally a third coating to modify water permeability through the sheet. The labels are to be applied to articles such as glass containers. Preferred labels are wet glue cellulose labels for example where the first coating also comprises a copolymer of vinyl chloride and vinyl acetate to aid water permeability and hence rapid drying of the label on an article.

Abstract: Prostacyclin compounds and compositions comprising the same are provided herein. Specifically, prostacyclin compounds comprising treprostinil covalently linked to a linear C5-C18 alkyl, branched C5-C18 alkyl, linear C2-C18 alkenyl, branched C3-C18 alkenyl, aryl, aryl-C1-C18 alkyl or an amino acid or a peptide (e.g., dipeptide, tripeptide, tetrapeptide) are described. The linkage, in one embodiment, is via a carbamate, amide or ester bond. Prostacyclin compounds provided herein can also include at least one hydrogen atom substituted with at least one deuterium atom. Methods for treating pulmonary hypertension (e.g., pulmonary arterial hypertension) and portopulmonary hypertension are also provided.

Abstract: An electrostatic latent image developing toner includes a plurality of toner particles. Each of the toner particles includes a toner mother particle and an external additive. The external additive includes cores and coating layers that are each disposed over a surface of a corresponding one of the cores. The cores contain silica. The coating layers contain a nitrogen-containing resin and a water-soluble positive charge control agent. The nitrogen-containing resin is a thermosetting resin.

Abstract: Suggested is a novel coated particle of active ingredients with controlled release properties at pH-values from 10 to 14, wherein the active ingredient is selected from one or more construction chemical additives for the control of inorganic binders, characterized in that the coating comprises shellac, a process for its manufacture and the use thereof as an additive for mortars, dry mortars, cement slurries and/or concretes.

Abstract: The present invention provides a porous material having micropores capable of storing and releasing heat by phase change, which comprises a phase change material inserted into the micropores of a porous material medium such as activated carbon or silica gel so as to be capable of storing and releasing energy, and a preparation method thereof. The method comprises the steps of: pre-treating a porous material medium to remove impurities from the micropores of the porous material medium, thereby opening the micropores; pre-treating a phase change material to make it possible to insert the phase change material into the micropores of the porous material medium; inserting the pretreated phase change material into the pretreated porous material medium; filtering the porous material medium filled with the phase change material to remove the phase change material remaining after the insertion step; and washing the filtered material.

Abstract: Inorganic photoluminescent nanoparticles comprising a solid assembly comprising a first plurality of atoms from group II crystallized with a second plurality of atoms from group VI; at least one dimension of the assembly less than about 3.0 nm; and one or more organocarboxylate agents coupled to a surface that bounds the assembly, wherein the nanocrystal exhibits nanocrystal photoluminescence quantum yield of at least about 10%. Coupling to such surface comprises coating at least a portion of the nanocrystal being coated with the organocarboxylate agent, wherein the organocarboxylate agent is a carboxylic acid or the conjugate base of a carboxylic acid. The carboxylic acid can be is selected from formic acid, acetic acid, hexanoic acid, octanoic acid, oleic acid, and benzoic acid. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: In one aspect, hollow nanoparticles are described herein. In some embodiments, a hollow nanoparticle comprises a metal shell and a cavity substantially defined by the shell, wherein the shell has a thickness greater than or equal to about 5 nm and the cavity has a curved surface. In another aspect, methods of making hollow nanoparticles are described herein. In some embodiments, a method of making hollow nanoparticles comprises forming a plurality of gas bubbles and forming a shell on the surface of at least one of the plurality of gas bubbles, wherein at least one of the gas bubbles is electrochemically generated. In another aspect, composite particles are described herein. In some embodiments, a composite particle comprises at least one nanoparticle and a polycrystalline metal shell substantially encapsulating at least one nanoparticle, wherein at least one surface of at least one nanoparticle is not in contact with the shell.

Abstract: A capsule having a solid core, a primary shell of liquid encapsulating the solid core and a secondary shell of particles encapsulating the primary shell. The primary and secondary shells are generally repulsive to each other. Also provided is a process for the manufacture of capsules and a process for the manufacture of a magnetic body.

Abstract: The present invention provides a silicone microparticle, wherein the silicone microparticle comprises 100 parts by mass of a silicone elastomer spherical microparticle having volume-average particle diameter of 0.1 to 100 ?m and 0.5 to 25 parts by mass of a polyorganosilsesquioxane to cover surface of the silicone elastomer spherical microparticle, wherein the polyorganosilsesquioxane has a shape of granule with the size thereof being 60 nm or less. There can be provided a silicone microparticle having low agglomerating tendency and excellent dispersibility even if rubber hardness of a silicone elastomer microparticle is low and a particle diameter thereof is small.

Abstract: Polymeric particles comprising a polymeric matrix that has been formed from a blend of monomers comprising a first monomer which is an ethylenically unsaturated ionic monomer and a second monomer which is an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C., wherein secondary particles are distributed throughout the matrix, in which the secondary particles comprise a hydrophobic polymer that has been formed from an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C. and optionally other monomers, which hydrophobic polymer is different from the polymeric matrix. Also claimed is a process for preparing particles. The particles have improved shatter resistance. Preferably the polymeric particles comprise an active ingredient, especially a colorant.

Abstract: Carbon microspheres are doped with boron to enhance the electrical and physical properties of the microspheres. The boron-doped carbon microspheres are formed by a CVD process in which a catalyst, carbon source and boron source are evaporated, heated and deposited onto an inert substrate.

Abstract: Embodiments of the present disclosure include organic polymeric particles, paper coating compositions, coated paper, and methods of forming coated paper with the paper coating compositions. The embodiments of the organic polymeric particle include an organic hydrophilic polymer with a unit for hydrogen bonding, and a hollow porous structure that comprises an organic polymer that at least partially surrounds the organic hydrophilic polymer, where the hollow porous structure has a pore surface area greater than 1 percent of a total theoretical exterior surface area of the hollow porous structure and the organic hydrophilic polymer and the hollow porous structure give the organic polymeric particle a void volume fraction of 40 percent to 85 percent.

Abstract: A method for preparing a crosslinked polymer coated controlled porosity glass (CPG) particle is provided. The method involves mixing CPG particles in a solution comprising polyvinylbenzylchloride and a first solvent at a temperature below 10° C. A second solvent is added and a crosslinking agent is added to the mixture. The first solvent is removed rapidly within 1½ hours of addition of the crosslinking agent. The crosslinking reaction is permitted to proceed and the mixture is then cooled and treated to remove any remaining solvent. The resulting coated CPG particles are washed and dried. Also provided a polymer coated CPG particles using for loading ligand thereon.

Abstract: A thermoplastic molding composition is provided, which comprises A) from 30 to 90% by weight of at least one thermoplastic polymer, B) from 10 to 70% by weight of microcapsules with a capsule core made of latent-heat-accumulator material and a polymer as capsule wall, where the latent-heat-accumulator material has its solid/liquid phase transition in the temperature range from ?20° C. to 120° C.

Abstract: A method of making capsules includes forming a mixture including a core liquid, a polyurethane precursor system, a first component of a two-component poly(urea-formaldehyde) precursor system, and a solvent. The method further includes emulsifying the mixture, adding a second component of the two-component poly(urea-formaldehyde) precursor system to the emulsified mixture, and maintaining the emulsified mixture at a temperature and for a time sufficient to form a plurality of capsules that encapsulate at least a portion of the core liquid. The capsules made by the method may include a polymerizer in the capsules, where the capsules have an inner capsule wall including a polyurethane, and an outer capsule wall including a poly(urea-formaldehyde). The capsules may include in the solid polymer matrix of a composite material.

Abstract: An extrusion process comprises extruding a material that is flowable when heated and passing the extrudate thus formed through a nozzle 10 to shape the extrudate into a plurality of substantially uniformly shaped elements such as minispheres or minicapsules.

Abstract: A core/shell polymer is provided and is optionally heat aged, wherein the core comprises one of (a) melt-fabricable tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer and (b) melt-processible polytetrafluoroethylene and the shell comprises the other of (a) and (b), wherein the amount of (b) in said core/shell polymer is 15 to 45 wt % based on the total weight of (a) and (b) whether (b) is the core or shell of the core/shell polymer.

Abstract: A method is provided for synthesizing a core-shell nanoparticle that includes the following steps: providing a polymeric seed (in a solvent) that includes mono-vinyl monomer cross-liniked with a cross-linking agent to form the core of the nanoparticle, the core has an average diameter of from about nanometers to about 10,000 nanometers, and the core has polymer chains with living ends; adding a stabilizer to stabilize the seed and prevent the seed from precipitating out of solution; and grafting a shell species onto the living ends of the core to form the shell of the nanoparticle. A core-first synthesized nanoparticle, along with a rubber composition and tire product are also provided.

Abstract: Stabilized lithium particles include a lithium-containing core and a coating of a complex lithium salt that surrounds and encapsulates the core. The coating, which is a barrier to oxygen and water, enables the particles to be handled in the open air and incorporated directly into electrochemical devices. The coating material is compatible, for example, with electrolytic materials that are used in electrochemical cells. The average coated particle size is less than 500 microns.

Abstract: Single-core and multi-core microcapsules are provided, having multiple shells, at least one of which is formed of a complex coacervate of two components of shell materials. The complex coacervate may be the same or different for each shell. Also provided are methods for making the microcapsules.

Abstract: Double core-shell fluorescent materials and preparation methods thereof are provided. The double core-shell fluorescent materials include inner core, inner shell coating the inner core and outer shell coating the said inner shell. The inner core is metal particle and the chemical constitution of the inner shell is silicon dioxide. The outer shell is fluorescent powder represented by the following chemical formula: (R1-x, Eux)2O3, wherein R is Y, Gd or combination thereof, 0.02?x?0.1. The double core-shell fluorescent materials with uniform and stable luminous effect not only increase luminous intensity, but also decrease usage amount of fluorescent powder by using metal particle as inner core.

Abstract: The present document describes a microcapsule having silica shells, processes for making the same, processes for functionalizing said microcapsules and processes for encapsulating active agent in said microcapsules.

Abstract: Disclosed is a method of synthesizing hollow silica having the size of micrometers from sodium silicate. The method includes fabricating a polystyrene organic template from polystyrene latex, (B) cleaning the polystyrene organic template, (C) exchanging media by using a water-base medium, introducing the cleaned polystyrene organic template and sodium silicate, and preparing a silica-coated organic template by performing an acidic hydrolysis reaction, and (D) cleaning the silica-coated organic template included in the water-base medium by using water. The size of the organic template is adjusted by controlling an amount of introduced AIBN included when the organic template is fabricated. The cleaning of the organic template is preferably performed by using water (H2O). The method further includes (B) removing the organic template by using THF and (F) cleaning the hollow silica having no organic template.

Abstract: The present invention relates to a method of preparing an aqueous dispersion of polymer encapsulated particulate material, the method comprising: providing a dispersion of the particulate material in a continuous aqueous phase, the dispersion comprising ethylenically unsaturated monomer and a stabiliser for the particulate material; and polymerising the ethylenically unsaturated monomer by non-living free radical polymerisation to form polymer that encapsulates the particulate material, thereby providing the aqueous dispersion of polymer encapsulated particulate material; wherein polymerisation of the ethylenically unsaturated monomer comprises: (a) polymerising a monomer composition that includes ionisable ethylenically unsaturated monomer so as to form a base responsive water swellable non-living polymer layer that encapsulates the particulate material; and (b) polymerising a monomer composition that includes non-ionisable ethylenically unsaturated monomer so as to form an extensible, water and base permeab

Abstract: Methods to produce pH-sensitive microparticles that have an active agent dispersed in a polymer matrix have certain advantages over microcapsules with an active agent encapsulated in an interior compartment/core inside of a polymer wall. The current invention relates to pH-sensitive microparticles that have a corrosion-detecting or corrosion-inhibiting active agent or active agents dispersed within a polymer matrix of the microparticles. The pH-sensitive microparticles can be used in various coating compositions on metal objects for corrosion detecting and/or inhibiting.

Abstract: Methods are generally disclosed for synthesis of porous particles from a solution formed from a leaving agent, a surfactant, and a soluble metal salt in a solvent. The surfactant congregates to form a nanoparticle core such that the metal salt forms about the nanoparticle core to form a plurality of nanoparticles. The solution is heated such that the leaving agent forms gas bubbles in the solution, and the plurality of nanoparticles congregate about the gas bubbles to form a porous particle. The porous particles are also generally disclosed and can include a particle shell formed about a core to define an average diameter from about 0.5 ?m to about 50 ?m. The particle shell can be formed from a plurality of nanoparticles having an average diameter of from about 1 nm to about 50 nm and defined by a metal salt formed about a surfactant core.

Abstract: Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C4-6 2,2-dialkoxy-ethanal. These compositions and microcapsules can be used as part of a perfuming composition or of a perfumed consumer product.

Abstract: A high density polymer particle includes a cross-linked organic polymer host matrix; and a high density metal provided within the interior of the cross-linked organic polymer host matrix.

Abstract: The present disclosure relates to a method of encapsulating microcapsules containing relatively high temperature phase change materials and the microcapsules so produced. The microcapsules are coated with an inorganic binder, film former and an inorganic filler. The microcapsules may include a sacrificial layer that is disposed between the particle and the coating. The microcapsules may also include an inner coating layer, sacrificial layer and outer coating layer. The microcapsules are particularly useful for thermal energy storage in connection with, e.g., heat collected from concentrating solar collectors.

Abstract: The present invention teaches microcapsule particles comprising an oil soluble or dispersible core material; and a wall material at least partially surrounding the core material, the microcapsule wall material consisting of the reaction product of a first composition in the presence of a second composition; the first composition comprising a water phase: the water phase comprising a water soluble or dispersible initiator having at least one —COOH or amine functional group and a nonionic emulsifier, the emulsifier comprising a water soluble or dispersible material at a pH from 4 to 12, the water soluble or dispersible initiator is selected from initiators having a C—N?N—C type structure and of formulas I, II or III (set forth in the specification) having amine or carboxyl functionality. The second composition comprises an oil phase.

Abstract: The present invention related to (micro-or nano-) capsules that have two different functional groups on the outer shell of the particles that allow deposition onto the textile surfaces (i.e. exhibit substantivity) and subsequent covalent bonding of the particles onto the textile (i.e. are reactive towards the fiber).

Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein a water-insoluble inorganic salt is suspended in the monomer solution and the polymer beads have a mean diameter of at least 150 ?m.

Abstract: The present specification discloses porogen compositions comprising a core material and shell material, methods of making such porogen compositions, methods of forming such porous materials using such porogen compositions, biocompatible implantable devices comprising such porous materials, and methods of making such biocompatible implantable devices.

Abstract: Stabilized lithium particles include a lithium-containing core and a coating of a complex lithium salt that surrounds and encapsulates the core. The coating, which is a barrier to oxygen and water, enables the particles to be handled in the open air and incorporated directly into electrochemical devices. The coating material is compatible, for example, with electrolytic materials that are used in electrochemical cells. The average coated particle size is less than 500 microns.

Abstract: Methods, structures, devices and systems are disclosed for fabricating and implementing nanoparticles with hollow core and sealable holes. In one aspect, a nanoparticle device can includes a shell structure including at least two layers including an internal layer and an external layer, the internal layer structured to enclose a hollow interior region and include one or more holes penetrating the internal layer, the external layer is of a porous material and formed around the internal layer and sealing the one or more holes, and a substance contained within the hollow interior region, the substance incapable of passing through the external layer.

Abstract: A polymer-encapsulated colorant nanoparticle includes a colorant nanoparticle core, and a polymer coating established on the colorant nanoparticle core. A negatively chargeable functional group is present on a surface of the polymer-encapsulated colorant nanoparticle.

Abstract: A method for encapsulating a material comprises the steps of choosing a material to encapsulate; placing the material into a material solvent to form a material solution; forming a primary emulsion of the material solution in an immiscible liquid medium that is immiscible with the material solvent, the material solution serving as the disperse phase and the immiscible liquid medium serving as the continuous phase of the primary emulsion, wherein the immiscible liquid medium contains an encapsulating agent dissolved therein, the encapsulating agent being capable of being crosslinked, polymerized, gelled or otherwise hardened or solidified; adding the primary emulsion as droplets into a crosslinking medium, and thereafter activating the crosslinking, polymerizing, gelling, hardening or solidifying of the encapsulating agent to envelope the material in a crosslinked, polymerized, gelled or otherwise hardened or solidified matrix forming the droplets into beads.

Abstract: The present disclosure relates to processes for preparing microparticles using a solvent extraction technique, including controlled addition and/or removal of the extraction phase.