Abstract: There is provided novel curable ink compositions comprising polymer-coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least the coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, a gellant. The inks may also include optional colorants and one or more optional additives. These curable gel UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: Solvent-based ink compositions which can be used for ink jet printing in a variety of applications. In particular, the present embodiments are directed to magnetic inks having desirable ink properties. The ink of the present embodiments comprises magnetic nanoparticles that are coated with various materials to prevent the exposure of the nanoparticles to oxygen, and provides robust prints.

Abstract: According to one embodiment, a magnetic material coated resin includes an aggregate obtainable by aggregation of primary particles includes magnetic particles of which surfaces are coated with a polymer. The primary particles have an average diameter D1 which is 0.5 to 20 ?m. The aggregate has an average aggregate diameter D2 which satisfies D1<D2?20 ?m. The polymer has an average surface coating thickness t which satisfies 0.01<t?0.25 ?m.

Abstract: There is provided novel curable ink compositions comprising surfactant-coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least a coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, and optionally a gellant. The inks may also include optional colorants and one or more optional additives. These curable UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: There is provided novel curable ink compositions comprising coated magnetic metal nanoparticles. In particular, there is provided ultraviolet (UV) curable gel inks comprising at least the coated magnetic metal nanoparticles, one curable monomer, a radiation activated initiator that initiates polymerization of curable components of the ink, a gellant. The inks may also include optional colorants and one or more optional additives. These curable gel UV ink compositions can be used for ink jet printing in a variety of applications.

Abstract: A phase change magnetic ink including a phase change ink carrier; an optional colorant; an optional dispersant; an optional synergist; an optional antioxidant; and an inorganic oxide coated magnetic nanoparticle comprising a magnetic core and an inorganic oxide shell disposed thereover.

Abstract: Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

Abstract: Provided is a soft magnetic powder used for obtaining a dust core having a low hysteresis loss, in particular, in a high temperature range. A soft magnetic powder includes an aggregate of composite magnetic particles, each including a soft magnetic particle containing Fe, Si, and Al, and an insulating coating film disposed on the surface thereof, and satisfies the expressions (1) and (2) below: Expression (1) . . . 27?2.5a+b?29 and Expression (2) . . . 6?b?9, where a represents the Si content (mass %) and b represents the Al content (mass %). The soft magnetic powder is capable of reducing the hysteresis loss, in a high-temperature environment, of a dust core obtained using the soft magnetic powder.

Abstract: Provided is a functional fiber and a fiber aggregate for realizing various functions, an adhesive for easily bonding electronic components, and a method for manufacturing the same. Particularly, a fiber extended in a length direction includes a carrier polymer and a plurality of functional particles, wherein the plurality of functional particles are embedded in the carrier polymer and physically fixed to the carrier polymer to be integrated.

Abstract: Disclosed is a resin composition containing a hexagonal ferrite and a resin, which is characterized in that the hexagonal ferrite is contained in an amount of 50-98 parts by weight per 100 parts by weight of the total of the resin composition.

Abstract: Coordination complexes of at least one metal element with at least one aromatic monomer are provided. The at least one aromatic monomer may comprise at least one aromatic ring, which ring comprising at least one ethylenic group, at least one hydroxide group —OH, at least one oxime group and salts thereof. The metal element may be in the form of a metal alkoxide.

Abstract: A high-frequency magnetic material includes magnetic particles dispersed in a resin material. The magnetic particles have an approximately spherical shape, and the resin material contains 1 to 60 vol % of the magnetic particles. The magnetic particles have a saturated flux density of 1 T or more. A magnetic anisotropy constant of the magnetic particles is K1<±800·103 (J/m3) for a cubic crystal material or Ku<±400·103 (J/m) for a uniaxial anisotropic material.

Abstract: There is provided a magnetic marker particle. The magnetic marker particle comprises a magnetic particle and a polymer deposited on the surface of the magnetic particle, wherein the deposited polymer comprises a combination of a carboxyl group and a polyethylene glycol chain or a combination of a carboxyl group and a sulfo group.

Abstract: A soft magnetic material includes a plurality of composite magnetic particles including a metal magnetic particle and an insulating film surrounding a surface of the metal magnetic particle. The insulating film also contains a phosphate. The soft magnetic material further includes an aromatic polyetherketone resin and a metallic soap and/or an inorganic lubricant having a hexagonal crystal structure. The metallic soap and the inorganic lubricant are particles with an average particle size of not more than 2.0 ?m.

Abstract: Magnetorheological materials having a supramolecular polymer gel as a component of the carrier are disclosed. Useful supramolecular polymers for gels include those having bipyridine or terpyridine ligands which can participate in metal coordination bonding. The magnetizable particles of magnetorheological materials can have supramolecular surfactant-polymer coatings.

Abstract: Disclosed are compositions-of-matter composed of a continuous elastomeric matrix and a liquid; the matrix entrapping the liquid therein in the form of closed-cell droplets dispersed throughout the matrix. The disclosed compositions-of-matter are characterized by a low tensile/compressive modulus and are capable of retaining the liquid for exceedingly long periods of time. Further disclosed are processes for forming the compositions-of-matter and uses thereof.

Abstract: An ink including stabilized magnetic single-crystal nanoparticles, wherein the value of the magnetic anisotropy of the magnetic nanoparticles is greater than or equal to 2×104 J/m3. The magnetic nanoparticle may be a ferromagnetic nanoparticle, such as FePt. The ink includes a magnetic material that minimizes the size of the particle, resulting in excellent magnetic pigment dispersion stability, particularly in non-aqueous inkjet inks. The smaller sized magnetic particles of the ink also maintains excellent magnetic properties, thereby reducing the amount of magnetic particle loading required in the ink.

Abstract: A method for preparing a rare earth permanent magnet material comprising the steps of: disposing a powder comprising one or more members selected from an oxide of R2, a fluoride of R3, and an oxyfluoride of R4 wherein R2, R3 and R4 each are one or more elements selected from among rare earth elements inclusive of Y and Sc on a sintered magnet form of a R1—Fe—B composition wherein R1 is one or more elements selected from among rare earth elements inclusive of Y and Sc, and heat treating the magnet form and the powder at a temperature equal to or below the sintering temperature of the magnet in vacuum or in an inert gas. The invention offers a high performance, compact or thin permanent magnet having a high remanence and coercivity at a high productivity.

Abstract: The invention relates to a polymer composition containing at least one polyarylene ether ketone, optionally filled with fibers or other elements increasing the modulus, and with ferrimagnetic or ferromagnetic conductive particles that can be used in the manufacture of articles that can be welded by induction in an alternating electromagnetic field, together with objects manufactured with the composition of the invention. It also relates to the induction welding of these objects using an alternating electromagnetic field.

Abstract: An in situ process for preparing a phase change magnetic ink including combining a phase change ink composition with a reducing agent; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant, and wherein the reducing agent has at least one alcohol functionality; heating the combined phase ink composition and reducing agent to a first temperature sufficient to provide a melt composition; adding a metal salt to the melt composition under an inert atmosphere to provide a metal salt-melt composition; heating the metal salt-melt composition to a second temperature sufficient to effect a metal reduction reaction to reduce the metal salt to metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; cooling the phase change magnetic ink to a solid state.

Abstract: An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.

Abstract: A curable composition comprising magnetically active elastic microspheres that are filled with a curing agent. The elastomeric microspheres are predispersed throughout the curable resin and are magnetostrictive. Cure of the adhesive is initiated when an external magnetic field is applied that physically distorts or ruptures the magnetic microspheres due to a magnetostrictive effect from the magnetic field.

Abstract: An oxide magnetic material includes a ferrite with a hexagonal structure as its main phase. Metallic elements included in the oxide magnetic material are represented by the formula: Ca1-x-x?LaxSrx?Fe2n-yCoy, where atomic ratios x, x? and y and a molar ratio n satisfy 0.4?x?0.6, 0.01?x??0.3, 0.2?y?0.45 and 5.2?n?5.8, respectively.

Abstract: The present invention relates to a system comprising magnetic nanoparticles of a metal oxide and a polymer, which in turn contains monomers with different functional groups. This system can be solid (nanocomposite) or liquid (ferrofluid). The present invention also relates to a process for obtaining the system, as well as its use, mainly in biotechnological, veterinary and medical applications, such as, for example, for the diagnosis and treatment of human diseases.

Abstract: The invention provides core-shell magnetic particles comprising a magnetic core and a functional shell, methods for making same, methods of separation using same, methods for using same, and devices comprising same. The particles and methods of the invention are useful for targeting and removing substances of interest that may be found in complex mixtures.

Abstract: Techniques for dyeing material are disclosed, including providing a magnetorheological fluid containing a coloring agent onto a contacting surface, applying a magnetic field to the magnetorheological fluid to increase viscosity of the magnetorheological fluid, and contacting the material with the magnetorheological fluid on the contacting surface to dye the material with the coloring agent.

Abstract: An adhesive composition for detachable adhesive bonds is based on adhesive matrices and expansion material, the particles of the expansion material being at least partially encapsulated.

Abstract: A magnetic reinforcing composition as a material for forming a reinforcing sheet, the magnetic reinforcing composition comprising a ferromagnetic filler and an epoxy resin mixture comprising a low molecular weight epoxy resin and a high molecular weight epoxy resin; a method of making the magnetic reinforcing composition; a reinforcing sheet comprising the magnetic reinforcing composition; a method of making the reinforcing sheet; a reinforced substrate comprising the reinforcing sheet on a side of a substrate; and a method of reinforcing a substrate, including providing the reinforcing sheet on a side of the substrate. A substrate reinforced by the reinforcing sheet comprising the magnetic reinforcing composition exhibits improved properties, such as, for example, having few or no sink marks and high bending or flexural strength.

Abstract: A composition of matter comprising a plurality of nanoparticles in a non-conductive binder, wherein, the type of nanoparticles form isolated parallel electrically and thermally conductive columns when cured in the presence of the magnetic field. Also wherein the plurality of nanoparticles are Paramagnetic or Ferromagnetic magnetic. Wherein the nano particles are coated, and of a particular shape. Wherein the particles are selected from the group consisting of; Al, Pt, Cr, Mn, crown glass, Fe, Ni, and Co, Ni—Fe/SiO2, Co/SiO2, Fe—Co/SiO2, Fe/nickel-ferrite, Ni—Zn-ferrite/SiO2, Fe—Ni/polymer, Co/polymer, ferrites, iron oxide and any combination and alloy thereof, and the Binder selected from the group consisting of; epoxies, polyurethanes, polyimides, polymeric materials, silicones, adhesives, acrylates, the UV curable modifier and any combination thereof.

Abstract: The invention discloses a reversibly piezochromic security element for the forgery-protection of value documents, the security element being characterized in that it comprises a collection of optically contrasting pigment particles in a film or a coating layer of an elastic polymer. In a particular embodiment, the particles are optically variable pigment flakes, oriented in a position which is substantially different from an alignment in the plane of the film or coating layer.

Abstract: The invention discloses an ink for the engraved steel die printing process, having a viscosity at 40° C. between 3 Pa.s to 15 Pa.s, preferably 5 to 10 Pa.s, and comprising a polymeric organic binder and magnetic pigment particle, characterized in that said magnetic pigment particles comprises a magnetic core material which is surrounded by at least one layer of another material. The surrounding layers, single or in combination, confer the pigment particle particular optical properties in the visible and/or in the near IR, chosen from high specular or diffuse reflectance, spectrally selective absorption or reflection, and angle-dependent absorption or reflection, and allow for the formulation of inks having a large gamut of color and other optical functionalities.

Abstract: Microfabricated particles are dispersed throughout a matrix to create a composite. The microfabricated particles are engineered to a specific structure and composition to enhance the physical attributes of a composite material.

Abstract: Composite material which is in pellet form and which comprises particles with a core-shell structure, where the core of the particles comprises one or more magnetic materials, and the shell comprises silicon dioxide, and which comprises a polyethylene crosslinkable in the presence of a heat-activatable free-radical initiator and/or polyethylene-containing copolymers. Process for the crosslinking of polyethylenes, by mixing the composite material, one or more heat-activatable free-radical initiator(s) and at least one polyethylene, and heating the mixture inductively.

Abstract: A magnetic nanosilicon material comprising silicon nanoparticles impregnated with magnetic atoms. This magnetic nanosilicon material has both luminescent and magnetic properties. In certain embodiments of the invention, magnetic nanosilicon material is encapsulated in a polymer or silica sphere to provide a supermolecule. Supermolecules can be used in applications such as but not limited to detection and imaging.

Abstract: A magnetisable ink suitable for a packing material for forming food packages is disclosed. The ink comprises magnetisable particles; a solvent; and a binder.

Abstract: An ink composition includes an aqueous dispersion of particles of a first material and separate particles of a second material. The first material contains an oxide, sulfide, or selenide of a magnetic metal. The ink is formulated to exhibit, after application to a solid substrate, a degree of metallic luster enhanced by the presence of the second material.

Abstract: Provided is a method of printing a structural color. The method includes providing a first substrate, forming a layer of a composition for generating a structural color including magnetic nanoparticles and a curable material on the first substrate, applying a magnetic field to the layer of the composition for generating a structural color and exhibiting a structural color using a change in lattice spacing of a photonic crystal composed of magnetic nanoparticles depending on the magnetic field strength, and curing the layer of the composition for generating a structural color to fix the lattice spacing of the photonic crystal and to form a structural color printed layer.

Abstract: The present invention relates to magnetic composite particles comprising at least magnetic fine particles and a bio-based polymer, wherein the magnetic composite particles have an average particle diameter of 10 to 100 ?m, and a content of the magnetic fine particles in the magnetic composite particles is 50 to 99.9% by weight; a magnetic carrier; and a developer. The magnetic composite particles, magnetic carrier and developer according to the present invention are effective for reduction of environmental burden such as saving of underground sources and prevention of global warming, have a high safety for human bodies and a high durability, and are capable of forming developed images with a high quality.

Abstract: There is provided a magnetic particle to which a large amount of target substance can bind upon separation, analysis and the like of the target substance, the particle exhibiting a higher rate of the magnetic separation. The magnetic particle to which a target substance can bind, comprising a core particle having magnetism and a polymer coat layer comprising a polymer shell portion in which a rough coating of polymer is provided on a surface of the core particle. This magnetic particle has a roughness due to a surface roughness of the polymer shell portion wherein a specific surface area (m2/g) of the magnetic particle is 1.5 to 500 times a specific surface area (m2/g) of the core particle when the core particle is regarded as a smooth perfect sphere.

Abstract: The present disclosure relates a polymer composite comprising a polystyrene or a polystyrene derivative comprising styrene or styrene derivative monomer units in which at least about 1% (mole fraction) of a phosphonium ion salt ionic liquid is incorporated into the structure of the polystyrene or polystyrene derivative, and processes for the production thereof.

Abstract: Composites, designed “MNPC” materials, are formed by methods of which an exemplary method includes preparing a liquid suspension of magnetic nanoparticles in a carrier liquid in which the nanoparticles are not soluble. The carrier liquid can form a rigid polymer matrix for the nanoparticles whenever the carrier liquid is exposed to a rigidification condition. A first rigidification condition is applied to the suspension to rigidify the carrier liquid into the polymer matrix and thus form a rigid MNPC material. A fluidizing condition is applied to the rigid MNPC material to fluidize the matrix and allow movement of the nanoparticles in the matrix. While the matrix is fluid, the MNPC material is magnetically poled by exposure to an external magnetic field. Poling aligns at least some of the nanoparticles with the field and allows at least some particles to self-assemble with each other.

Abstract: A metal-containing particle aggregate of an embodiment of the present invention includes a plurality of core-shell particles. Each of the core-shell particles includes: a core portion that contains at least one magnetic metal element selected from the first group consisting of Fe, Co, and Ni, and at least one metal element selected from the second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare-earth elements, Ba, and Sr; and a shell layer that includes a carbon-containing material layer and an oxide layer that covers at least part of the core portion and includes at least one metal element that belongs to the second group and is contained in the core portion.

Abstract: Disclosed are an expanded polystyrene particle having a skin layer with superior moldability, a method for preparing the same, and an expanded polystyrene molded article using the same. Provided is an expanded polystyrene particle provided on the surface thereof with a skin layer with superior moldability wherein the skin layer contains a binder selected from the group consisting of a thermoplastic resin-based adhesive, a thermosetting resin-based adhesive, an inorganic adhesive, a protein-based adhesive and a mixture thereof, wherein the skin layer further contains methylene diphenyl diisocyanate.

Abstract: The present invention is to impart, to a sheet-like soft magnetic material, a configuration in which sheet thickness change is suppressed and in which fluctuation in magnetic permeability is small even under a high-temperature or a high-temperature, high-humidity environment, even when a plurality of thin curable soft magnetic sheets produced by a coating method are laminated. The sheet-like soft magnetic material is formed from a soft magnetic composition which is formed by mixing at least a flat soft magnetic powder, an acrylic rubber, an epoxy resin, a curing agent for the epoxy resin, and a solvent. The flat soft magnetic powder is arranged in an in-plane direction of the sheet-like soft magnetic material. An acrylic rubber having a glycidyl group is used for the acrylic rubber. The weight ratio of the flat soft magnetic powder with respect to the total amount of the acrylic rubber, the epoxy resin, and the curing agent for the epoxy resin is 3.7 to 5.8.

Abstract: The invention relates to composites made of an elastic carrier medium comprising polynorbornene (PNR) and magnetisable particles which are polarized reversibly in a magnetic field. Thus the mechanical properties, such as e.g. storage modulus G? (describes the elastic behavior or the energy storage) and loss modulus G? (describes the viscous behavior or the energy dissipation), of such elastomer composites can be increased rapidly and reversibly within wide limits (up to approx. two orders of magnitude) as a function of an external magnetic field. Wide-ranging application possibilities are produced herefrom, e.g. for adaptive damping systems, in which the damping force can be adjusted via the strength of the magnetic field.

Abstract: The present invention relates to porous, magnetic silica-gel mouldings having novel properties, by means of which separations of substances from reaction solutions and solid-phase reactions are simplified. In addition, a process for the preparation of these separation materials and possible applications thereof are described.

Abstract: Methods are disclosed for synthesizing nanocomposite materials including ferromagnetic nanoparticles with polymer shells formed by controlled surface polymerization. The polymer shells prevent the nanoparticles from forming agglomerates and preserve the size dispersion of the nanoparticles. The nanocomposite particles can be further networked in suitable polymer hosts to tune mechanical, optical, and thermal properties of the final composite polymer system. An exemplary method includes forming a polymer shell on a nanoparticle surface by adding molecules of at least one monomer and optionally of at least one tethering agent to the nanoparticles, and then exposing to electromagnetic radiation at a wavelength selected to induce bonding between the nanoparticle and the molecules, to form a polymer shell bonded to the particle and optionally to a polymer host matrix. The nanocomposite materials can be used in various magneto-optic applications.

Abstract: A core-shell magnetic material having an excellent characteristic in a high-frequency band, in particular a GHz-band and a high environment resistance is provided. The core-shell magnetic material includes: a magnetic member in which plural core-shell magnetic particles are bound by a binder made of a first resin; and a coating layer that is made of a second resin different from the first resin, a surface of the magnetic member being covered with the coating layer. The core-shell magnetic material is characterized in that the core-shell magnetic particle includes a magnetic metallic particle and a covering layer that covers at least part of a surface of the magnetic metallic particle, the magnetic metallic particle contains at least one magnetic metal selected from a group consisting of Fe, Co, and Ni, and the covering layer is made of an oxide, a nitride, or a carbide that contains at least one magnetic metal.

Abstract: The present invention is an aqueous dispersible magnetic nanoparticle formulation with a high drug loading capacity used for sustained drug delivery. The formulated magnetic nanoparticles are composed of an iron oxide core coated with a long chain polymer, which provides aqueous dispersibility without the use of surfactant. A method is developed for the functionalization of magnetic nanoparticles for use in biomedical field.

Abstract: Magnetorheological materials having a supramolecular polymer gel as a component of the carrier are disclosed. Useful supramolecular polymers for gels include those having bipyridine or terpyridine ligands which can participate in metal coordination bonding. The magnetizable particles of magnetorheological materials can have supramolecular surfactant-polymer coatings.