Abstract: A catalyst for producing a carbon nanofiber is obtained by dissolving or dispersing [I] a compound containing Fe element; [II] a compound containing Co element; [III] a compound containing at least one element selected from the group consisting of Ti, V, Cr, and Mn; and [IV] a compound containing at least one element selected from the group consisting of W and Mo in a solvent to obtain a solution or the fluid dispersion, and then impregnating a particulate carrier with the solution or the fluid dispersion. A carbon nanofiber is obtained by bringing a carbon element-containing compound into contact with the catalyst in a vapor phase at a temperature of 300 degrees C. to 500 degrees C.

Abstract: The invention provides a connecting material comprising metallic particles with an oxygen state ratio of less than 15% as measured by X-ray photoelectron spectroscopy, and especially a connecting material comprising metallic particles that have been subjected to treatment for removal of the surface oxide film and to surface treatment with a surface protective material, for the purpose of providing a connecting material having a high coefficient of thermal conductivity even when joined at a curing temperature of up to 200° C. without application of a load, and that has sufficient bonding strength even when the cured product has been heated at 260° C., as well as a semiconductor device employing it.

Abstract: The present invention relates to antifreeze/anticorrosion concentrates comprising from 10 to 50% by weight, based on the total amount of the concentrate, of glycerol, to processes for preparing such concentrates from superconcentrates, to aqueous coolant compositions from these concentrates, and to their use, for example in internal combustion engines.

Abstract: A low-melting point, heat transfer fluid comprising a mixture of LiNO3, NaNO3, KNO3, NaNO2 and KNO2 salts where the Li, Na and K cations are present in amounts of about 20-33.5 mol % Li, about 18.6-40 mol % Na, and about 40-50.3 mol % K and where the nitrate and nitrite anions are present in amounts of about 36-50 mol % NO3, and about 50-62.5 mol % NO2. These compositions can have liquidus temperatures between 70° C. and 80° C. for some compositions.

Abstract: A thermally conductive polymer composition, comprising a polymer, conductive charges in an amount of about 35% by weight or less, and a compatibilizer, the composition having a transverse thermal conductivity of about 0.5 W/m/K or more and a deformation at break of about 850% or less The composition is fabricated by i) feeding a polymer and a compatibilizer in a feed zone of an extruder to obtain a melted resin; ii) introducing directly into the extruder downstream of the feed zone, conductive charges in an amount of about 35% by weight or less into the melted resin; and iii) providing a degassing zone before the output of the thermally conductive polymer composition produced.

Abstract: A high thermal conductivity and low dissipation factor adhesive varnish for (build-up) combining additional insulation layers is disclosed to be used for high-density interconnected printed circuit boards or IC-package substrates and to be formed by well mixing an epoxy resin precursor, a bi-hardener mixture, a catalyst, a flow modifier, an inorganic filler with high thermal conductivity, and a solvent. The epoxy resin precursor is formed by mixing at least two epoxy resins with a certain ratio, where the at least two epoxy resins are selected from a group including a tri-functional epoxy resin, a rubber-modified or Dimmer-acid-modified epoxy resin, a bromide-contained epoxy resin, a halogen-free/phosphorus-contained epoxy resin, a halogen-free/phosphorus-free epoxy resin, a long-chain/halogen-free epoxy resin, and a bisphenol A (BPA) epoxy resin.

Abstract: Provided are a method for preparing zinc oxide (ZnO) nanoparticles and a method for preparing ZnO nanofluid using the same. The method for preparing ZnO nanoparticles includes: a) heating deionized water; b) dissolving zinc (Zn) salt in the deionized water to prepare a precursor solution; c) adding solid alkali salt to the precursor solution to prepare a dispersion of ZnO nanoparticles; and d) separating the ZnO nanoparticles by solid-liquid separation and washing them with deionized water. Highly pure, crystalline ZnO nanoparticles with spherical shape and very narrow particle size distribution of 10 to 50 nm can be prepared quickly and at large scale and low cost using inexpensive materials via a stable low-temperature process, without using a dispersant. The associated low-temperature, normal-pressure process produces few harmful materials and may be easily employed for production of ZnO nanoparticles.

Abstract: A curable thermal interface material composition includes an epoxy polymeric adhesive matrix; a high conductivity filler; a low melting temperature solder material; and a matrix material modification agent.

Abstract: The disclosed embodiments include coolant compositions, packages of such compositions, and articles of manufacture derived from coolant compositions. According to one embodiment disclosed a liquid coolant composition is disclosed that comprises: (a) glycerol, (b) an aqueous solution of menthol, (c) calcium hydroxide, (d) barium hydroxide, and (e) water. According to another embodiment, a gel coolant composition is disclosed that comprises: (a) glycerol, (b) an aqueous solution of menthol, (c) calcium hydroxide, (d) barium hydroxide, (e) water, and (f) sodium polyacrylate. Such gel coolant composition can be converted to solid form by adding paraffin.

Abstract: The present invention relates to compositions of a nanofluid, which comprises a thermal transfer fluid and carbon nanoparticles. The nanofluid may be hydrophilic nanofluids, such as a coolant, or hydrophobic nanofluids, such as nanolubricants or nanogreases. In particular, the present invention provides a homogenous hydrophilic nanofluid, which contains soluble carbon nanotubes in the hydrophilic thermal transfer fluid. The present invention also provides a nanogrease, which is a sustainable dispersion of solid carbon nanotubes in a hydrophobic thermal transfer fluid. The solid carbon nanotubes function as both as a thickener to modulate viscosity and as a solid heat transfer medium to enhance thermal conductivity and high temperature resistance.

Abstract: An antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze concentrate composition comprises from 50 to 99.8 wt. % of a glycol-based freezing point depressant selected from the group of: alkylene glycols, glycol monoethers, glycerins, and mixtures thereof; 0.01 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.01 to 5 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water. In one embodiment no more than one dicarboxylic acid is used as an additive. In another embodiment no dicarboxylic acid is present.

Abstract: A method to use a heat transfer oil, comprising: a. selecting a heat transfer oil having an auto ignition temperature greater than 329° C. (625° F.) and a viscosity index greater than 28×Ln(Kinematic Viscosity at 100° C., in cSt)+80; wherein the heat transfer oil comprises a base oil, made from a waxy feed, with the base oil having: i. greater than 10 weight percent and less than 70 weight percent total molecules with cycloparaffinic functionality, wherein the one or more fractions have at least 31.2 wt % 1-unsaturations by FIMS; b. providing the heat transfer oil to a mechanical system; and c. transferring heat in the mechanical system from a heat source to a heat sink.

Abstract: A solvent composition includes a substance that is subject to oxidative alteration by an oxygen radical, and a compound that has a superoxide dismutase-mimetic activity that includes oxygen radical-removing capability. In the solvent composition of the invention, oxygen radicals can be removed by the compound having an superoxide dismutase-mimetic activity that includes oxygen radical-removing capability, and therefore the substance that is subject to oxidative alteration can be prevented from oxidizing.

Abstract: A molybdate-free antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze concentrate composition comprises from 50 to 99 wt. % of a glycol-based freezing point depressant selected from the group of: alkylene glycols, glycol monoethers, glycerins, and mixtures thereof; 0.01 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.01 to 5 wt. % of at least one of heptanoic acid, octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water.

Abstract: The present invention provides a novel structure in which a filling material that is a filler is dispersed in an incompatible resin selected from a thermoplastic resin or a thermosetting resin and/or an incompatible elastomer; and use of the novel structure. In a cocontinuous structure formed from a binary system that is selected from an incompatible resin selected from a thermoplastic resin or a thermosetting resin and/or an incompatible elastomer, a filling material that is a filler is dispersed selectively and uniformly in one of the incompatible resin selected from the thermoplastic resin or the thermosetting resin and/or the incompatible elastomer.

Abstract: The present invention relates to a heat-processable thermally conductive polymer composition comprising (a) 30 to 95% by weight of a thermoplastic polymer (b) 5 to 40% by weight of a graphite powder; and (c) 0 to 65% by weight of optional further component(s), wherein the particles of the graphite powder are in the form of platelets having a thickness of less than 500 nm, and a process for the preparation heat-processable thermally conductive polymer composition.

Abstract: A low-melting point, heat transfer fluid made of a mixture of five inorganic salts including about 29.1-33.5 mol % LiNO3, 0-3.9 mol % NaNO3, 2.4-8.2 mol % KNO3, 18.6-19.9 mol % NaNO2, and 40-45.6 mol % KNO2. These compositions can have liquidus temperatures below 80° C. for some compositions.

Abstract: A method relating to making a metal coated filler includes mixing a solution of an organic diol with a plurality of porous filler particles to obtain a support mixture; contacting a metal salt solution with the support mixture forming a reaction mixture; and heating the reaction mixture to a temperature within a temperature range from about 50 degrees Celsius to about 200 degrees Celsius. The metal cations in the metal salt solution are reduced to metal particles by the organic diol and are disposed on the porous filler particles and on filler particle pore surfaces. The metal coated filler may then be optionally isolated. Electrically and/or thermally conductive articles including the metal coated fillers and methods for their manufacture are also disclosed.

Abstract: Process for producing nitrogen-doped carbon nanotubes (NCNTs) in a fluidized bed.

Abstract: Disclosed are copolymers of carbon nanotubes, as well as processes and applications of carbon nanotube dispersions. Carbon nanotube emulsions and related technology are also disclosed. The controlled deposition of carbon nanotubes on substrates is also provided. Methods of purifying single-walled carbon nanotubes are also provided. Devices made according to the disclosed methods are further described herein.

Abstract: An antifreeze composition having improved thermal stability is provided. In one embodiment, the antifreeze concentrate composition comprises from 50 to 99 wt. % of a glycol-based freezing point depressant selected from the group of: alkylene glycols, glycol monoethers, glycerins, and mixtures thereof; 0.01 to 10 wt. % of at least one of a 2-ethylhexanoic acid, isononanoic acid and 3,5,5-trimethylhexanoic acid; and 0.01 to 5 wt. % of at least one of octanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, neodecanoic acid, benzoic acid, 2-hydroxybenzoic acid, p-terbutylbenzoic acid, and mixtures thereof. In one embodiment, the composition is employed as a concentrate in admixture with 10 to 90 wt. % water.

Abstract: A composition of a thermal interface material is provided. The deficiencies of low thermal conductivity and high thermal resistance in the conventional thermal interface materials are resolved. By using carbon fibers with high thermal conductivity, the thermal conductivity of the thermal interface material can be about 7˜10 times higher than the traditional thermal interface materials. The added amount of carbon fibers is less than the added amount of metal or ceramic powders. The dispersion process is thereby improved. Further, the thermal interface material has a phase change temperature at about 40˜65° C. Holes, gaps and dents on the surface of device are filled at the normal operation temperature of device to reduce the thermal resistance of the entire device and to increase the interfacial bonding strength.

Abstract: It is an object of the present invention to provide a thermally conductive thermoplastic pressure sensitive adhesive composition excellent in thermal conductivity, which can be used for lamination of a glass panel of a plasma display or a radiator plate of electronic devices etc., and can disassemble easily in product repair or after ending of life cycle. The present invention is a thermally conductive thermoplastic pressure sensitive adhesive composition characterized by having, as essential components: (A) liquid rubber; (B) at least either of styrene-based rubber and an amorphous olefin-based resin; (C) a tackifier resin; and (D) graphite, where formulation amount of graphite of the (D) component is in a range of from 30 to 75% by mass relative to total mass of the composition.

Abstract: A thermal interface material includes a thermally conductive metal matrix and coarse polymeric particles dispersed therein. The composite can be used for both TIM1 and TIM2 applications in electronic devices.

Abstract: A composition for use as a thermally conductive composition in a heat-generating electronic device is provided. The composition comprises physically treated fillers modified with a surface area modifying agent and one or more resins.

Abstract: The present invention relates generally to thermally-conductive pastes for use with integrated circuits, and particularly, but not by way of limitation, to self-orienting microplates of graphite.

Abstract: A thermal interface material is constructed from a base matrix comprising a polymer and 5 to 90 wt. % of boron nitride filler having a platelet structure, wherein the platelet structure of the boron nitride particles are substantially aligned for the thermal interface material to have a bulk thermal conductivity of at least 1 W/mK.

Abstract: Embodiments of the invention relate to a composite hydrogen storage material comprising active material particles and a binder, wherein the binder immobilizes the active material particles sufficient to maintain relative spatial relationships between the active material particles.

Abstract: Disclosed is a method of simultaneously stabilizing an engine coolant concentrate and preventing hard water salt formation upon dilution of the coolant concentrate with hard water. The method comprises making a stabilized concentrate by adding to a coolant concentrate at least one stabilizer selected from the group consisting of polyacrylate polymers of the formula: where Rl is H; R4 is a terminating group; X is and R2 and R3 are each independently hydrogen, an alkali metal or an alkaline earth metal, and the sum of m and n provide a number average equivalent weight of less than 6500, and a number average molecular weight of less than 6500, the concentrate comprising 90 or more wt % freezing point depressant and then diluting the stabilized coolant concentrate with hard water to provide a final coolant composition.

Abstract: In one embodiment, a corrosion inhibiting composition is formed by combining: (a) an inorganic phosphate; (b) a water soluble polyelectrolyte polymer dispersant; (c) a tri or tetracarboxylic acid; and (d) at least one additional component comprising at least one of a C4-C22 aliphatic or aromatic mono- or dicarboxylic acid, a silicate and at least one of a silicone or a silicate stabilizing siloxane compound, and mixtures thereof. Also disclosed are heat transfer fluids that include about 5% to about 99% by weight of freezing point-depressing agent; about 1% to about 95% by weight of water; and the disclosed corrosion inhibitor composition. A method of reducing corrosion in a heat transfer system containing one or more components that contain magnesium or a magnesium alloy requires that the system and the magnesium containing components be in contact with the disclosed heat transfer fluid.

Abstract: A formate salt based heat transfer fluid having a pH containing a phosphate for a secondary refrigeration loop is disclosed. The formate based heat transfer fluid generally is a more effective heat transfer medium than a glycol based fluid designed to operate in the same temperature range. The formate based fluid also has lower toxicity and environmental risks than the glycol fluid.

Abstract: This disclosure concerns a procedure for bulk scale preparation of high aspect ratio, 2-dimensional nano platelets comprised of a few graphene layers, Gn. n may, for example, vary between about 2 to 10. Use of these nano platelets in applications such as thermal interface materials, advanced composites, and thin film coatings provide material systems with superior mechanical, electrical, optical, thermal, and antifriction characteristics.

Abstract: Disclosed is a composite formed by physical and chemical bonding of (a) a carbon nanotube (CNT); and (b) a metal complex with at least one kind of ligand coordinated to a central metal, the CNT being connected to the metal within the metal complex by a direct bond to the metal. Also, provided is a dispersant for a CNT containing a metal complex comprising (i) a complex ion with at least one kind of ligand (Ln) chemically bonded to a central metal; and (ii) a counter ion. By using a metal complex as a dispersant for a CNT, various characteristics possessed by the metal complex can be provided to the CNT, and the dispersibility of the CNT can be meaningfully increased by introducing a ligand and/or a counter ion having dispersion medium-affinitive properties.

Abstract: A one step method and system for producing nanofluids by a particle-source evaporation and deposition of the evaporant into a base fluid. The base fluid such (i.e. ethylene glycol) is placed in a rotating cylindrical drum having an adjustable heater-boat-evaporator and heat exchanger-cooler apparatus. As the drum rotates, a thin liquid layer is formed on the inside surface of the drum. A heater-boat-evaporator having an evaporant material (particle-source) placed within its boat evaporator is adjustably positioned near a portion of the rotating thin liquid layer, the evaporant material being heated thereby evaporating a portion of the evaporant material, the evaporated material absorbed by the liquid film to form nanofluid.

Abstract: Carboxylate salts of amines are used as components of heat exchange fluids. The amines may have a ratio of N to C of 1:0 to 1:12 and the carboxylate anion may be derived from an acid of the formula H(CH2)0-3COOH. A preferred monoamine heat exchange fluid utilizes triethanolamine formate. Lower carboxylate salts of diamines and triamines having the formula R2[N[(CH2)mNR]1-2]R where each R is independently selected from moieties of the formula —CnH2n+1 and moieties of the formula H[O(CH2)1-4]—, each m is independently a number from 1 to 6, and each n is a number from 1 to 4, are disclosed as compounds.

Abstract: The present invention relates to an aqueous antifreeze composition comprising 10 to 50% by weight of one or more dicarboxylic acids, preferably aliphatic dicarboxylic acids having 4 to 12 carbon atoms in the form of the alkali metal, ammonium or alkaline earth metal salt. Preferably, these salts are used in combination with at least one further substance. This gives antifreeze compositions with a good frost protective action, good heat conductivity and good protection against corrosion.

Abstract: Compositions comprising CF3CClFCH2OH, CF3CClFCH2OZnCl, and CF3CClFCH2OC(?O)CH3 are useful in processes to make HFO-1234yf.

Abstract: Herein disclosed is alumina powder incorporated into a composition which should have excellent heat conduction and used as a heat-radiating member and for sealing a semiconductor. The spherical ?-alumina powder has an average sphericity of not less than 0.93 and a content of ?-crystalline form is not less than 95% and the spherical ?-alumina powder is prepared according to the method, which comprises the steps of: (1) softening metallic aluminum powder or alumina powder through the treatment with a flame; (2) solidifying the softened powder by passing the same through a zone maintained at a temperature ranging from 800 to 500° C.; (3) increasing the content of ?-phase by passing the solidified powder through a zone maintained at a temperature ranging from 950 to 1,500° C.; and (4) collecting the resulting powdery product while cooling the same.

Abstract: In one embodiment, a corrosion inhibiting composition is formed by combining: (a) an inorganic phosphate; (b) a water soluble polyelectrolyte polymer dispersant; (c) a tri or tetracarboxylic acid; and (d) at least one additional component comprising at least one of a C4-C22 aliphatic or aromatic mono- or dicarboxylic acid, a silicate and at least one of a silicone or a silicate stabilizing siloxane compound, and mixtures thereof. Also disclosed are heat transfer fluids that include about 5% to about 99% by weight of freezing point-depressing agent; about 1% to about 95% by weight of water; and the disclosed corrosion inhibitor composition. A method of reducing corrosion in a heat transfer system containing one or more components that contain magnesium or a magnesium alloy requires that the system and the magnesium containing components be in contact with the disclosed heat transfer fluid.

Abstract: The antifreeze of the present invention is including propylene glycol, first material, and second material. The first material is normal aliphatic dicarboxylic acid in which number of carbon atoms is from 10 to 12, salt of the normal aliphatic dicarboxylic acid, or mixture thereof. The second material is benzimidazole compound which has a benzimidazole skeleton, salt of the benzimidazole compound, triazine compound which has a triazine skeleton and has a mercapto group, salt of the triazine compound, or mixture thereof. Such antifreeze has less environment load than antifreeze including ethylene glycol. Furthermore, such antifreeze does not cause metal to corrode more than the antifreeze including ethylene glycol.

Abstract: Disclosed is an antifreeze composition comprising a) a water soluble liquid alcohol freezing point depressant, b) a triazine based compound of formula I, c) a mixture of tolutriazole compounds of formulae II and III, d) 2-ethylhexanoic acid or alkali metal salts thereof, e) heptanoic acid or alkali metal salts thereof and f) water, where the compounds of formula I are where Z is a C1-C11 alkylene group, X is hydrogen or an alkali metal, R1 and R2, independently are hydrogen or methyl, R3 is a group —NR4R5 where R4 is C1-C12 alkyl or -Z-COOX and R5 is hydrogen or C1-C12 alkyl; and where the compounds of formulae II and III are

Abstract: Carbon nanotubes, which carry surface functional groups on side walls thereof relative to lengths thereof, and a dispersant are added to a base liquid to provide a heat transport medium capable of achieving high heat conductivity while suppressing an increase in kinetic viscosity.

Abstract: The thermally conductive resin material of the present invention has an excellent thermal conductive property without impairing the intrinsic practical properties such as the forming processability, lightness in weight and mechanical strength possessed by resins and has an anisotropic thermal conductive property capable of controlling the directionality and the transfer amount of the thermal conduction. The thermally conductive resin material of the present invention is a thermally conductive resin material including a base material of a thermoplastic resin (A) and a fibrous filler (C), wherein an organic compound (B) incompatible with the resin component is present as dispersed particles in the resin component, and two or more elements of the fibrous filler (C) are in contact with the surface of each of the dispersed particles or are located in each of the dispersed particles.

Abstract: The present invention relates generally to heat transfer compositions. More particularly, the present invention relates to heat transfer compositions with high electrical resistance for use in power-generating equipment or in engines. Such compositions are particularly useful in fuel cell assemblies.

Abstract: The invention provides a heat-conductive adhesive with high heat spread properties and excellent handleability. A pitch-based carbon fiber filler with high thermal conductivity and a smooth surface is combined with an adhesive resin to produce a heat-conductive adhesive with controlled viscosity and excellent handleability.

Abstract: A low-melting point, heat transfer fluid made of a mixture of four inorganic nitrate salts: 9-18 wt % NaNO3, 40-52 wt % KNO3, 13-21 wt % LiNO3, and 20-27 wt % Ca(NO3)2. These compositions can have liquidus temperatures less than 100 C; thermal stability limits greater than 500 C; and viscosity in the range of 5-6 cP at 300 C; and 2-3 cP at 400 C.

Abstract: Ready-to-use aqueous coolant compositions having alkylene glycols, glycerol and/or 1,3-propanediol and a) from 0.05 to 10% by weight, based on the total amount of the composition, of one or more polyethylene glycols and/or polypropylene glycols and b) from 0.01 to 10% by weight, based on the total amount of the composition, of one more carboxamides and/or sulfonamides are useful for inhibiting corrosion in the case of magnesium and magnesium alloys.

Abstract: Thermally conductive polymer resin compositions comprising polymer, spherical or granular shape thermally conductive filler, and platy thermally conductive filler, and optionally a polymeric toughening agent. The compositions are particularly useful for metal/polymer hybrid parts.

Abstract: An antifreeze/coolant composition, comprising a) a base material such as water, alcohol, glycol and glycol ether; b) a fluorine compound and c) an inorganic acid.

Abstract: Thermally conductive polymer resin compositions comprising polymer, calcium fluoride, glass flake and optionally, polymeric toughening agent are particularly useful for metal/polymer hybrid parts and as encapsulants.