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: A process for making a composite material and the composite materials having thermoelectric properties

Abstract: A method for forming the crosslinkable thermal interface materials disclosed herein comprises a) providing at least one saturated rubber compound, b) providing at least one amine resin, c) crosslinking the at least one saturated rubber compound and the at least one amine resin to form a crosslinked rubber-resin mixture, d) adding at least one thermally conductive filler to the crosslinked rubber-resin mixture, and e) adding a wetting agent to the crosslinked rubber-resin mixture. This method can also further comprise adding at least one phase change material to the crosslinked rubber-resin mixture. The contemplated thermal interface material can be provided as a dispensable liquid paste, a gel, a tape, or a film. Applications of the contemplated thermal interface materials described herein comprise incorporating the materials into a layered material, an electronic component or a finished electronic product.

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: A nanofluid of a base heat transfer fluid and a plurality of ceramic nanoparticles suspended throughout the base heat transfer fluid applicable to commercial and industrial heat transfer applications. The nanofluid is stable, non-reactive and exhibits enhanced heat transfer properties relative to the base heat transfer fluid, with only minimal increases in pumping power required relative to the base heat transfer fluid. In a particular embodiment, the plurality of ceramic nanoparticles comprise silicon carbide and the base heat transfer fluid comprises water and water and ethylene glycol mixtures.

Abstract: An apparatus for production of a clathrate hydrate with enhanced latent heat storing capability includes a gas supplier for supplying a gas to an aqueous solution containing a quaternary ammonium compound, and a cooler for cooling the aqueous solution, the apparatus producing the clathrate hydrate with enhanced latent heat storing capability including both the quaternary ammonium compound and the gas as guests by supplying the gas to the aqueous solution with the gas supplier in the stage of cooling with the cooler.

Abstract: A powder composition comprising viscoelastic surfactant forms, in aqueous solution, a viscoelastic wellbore treatment fluid.

Abstract: There are disclosed a highly packed, mixed conductive powder with a relative packing density of at least 68%, a process for producing the same, a conductive paste using the mixed conductive powder and a process for producing the same, as well as a sheet and a sheet with attached film using the mixed conductive powder. This mixed conductive powder comprises substantially monodispersed conductive scale-like particles (A1) and conductive substantially spherical particles (B1). Or, this mixed conductive powder comprises substantially monodispersed, conductive, substantially spherical particles (A2) and conductive substantially spherical particles (B2) with a smaller particle diameter than that of the substantially spherical particles (A2).

Abstract: Disclosed is a corrosion inhibitor for use in heat transfer fluids having a conductivity of less than 200 ?S/cm, the corrosion inhibitor having an azole compound, and at least one of a siloxane based surfactant, colloidal silica, or a mixture thereof. Also disclosed is a corrosion inhibiting heat transfer fluid, the heat transfer fluid having a conductivity of no more than or equal to 200 ?S/cm and comprising the disclosed corrosion inhibitor. Also provided is an assembly comprising an alternative power source and a heat transfer system in thermal communication with the alternative power source, the heat transfer system comprising the disclosed corrosion inhibiting heat transfer fluid. In addition, a method of making a corrosion inhibiting heat transfer fluid is disclosed wherein the disclosed corrosion inhibitor is added to heat transfer fluid having a conductivity of less than 200 ?S/cm.

Abstract: The invention provides systems and devices for producing two-phase coolants such as an ice slurry. Also provided are methods for producing two-phase coolants, and methods for using the two-phase coolants to lower the temperature or maintain a low temperature in any subject, system, object, device, or application where particular low temperatures are desired. Also provided are systems for determining the cooling capacity of two-phase coolants.

Abstract: The invention provides a boron suboxide composite material comprising boron suboxide and a secondary phase, wherein the secondary phase contains a rare earth metal oxide. The rare earth metal oxide may be selected from the oxides of scandium, yttrium, which is preferred, and elements of the lanthanide series, and may be a mixture of rare earth metal oxides. The secondary phase may also include, in addition to the rare earth metal oxide(s), a further oxide or mixture of oxides of an element of the Groups IA, MA, MIA, and IVA of the periodic table. Moreover, the secondary phase may also contain a boride, and particularly a boride selected from the borides of transition metals of the fourth to eighth groups of the periodic table.

Abstract: A method for making a thermal interface material includes following steps. A substrate having a plurality of CNT arrays arranged thereon and a number of first interspaces defined between the CNT arrays is provided. A container is provided and the substrate with the CNT arrays is disposed into the container. A number of low melting point metallic nanoparticles is provided and filled in the first interspaces. The low melting point metallic nanoparticles in the container is heated into a liquid state, and the low melting point metal nanoparticles in liquid state is combined with the CNT arrays to form a composite material on the substrate. The composite material is peeled off from the substrate, and a thermal interface material is obtained.

Abstract: During the investigation of the mechanism that cellular water in woody plants growing in cold districts keeps liquid state at low temperature, the inventors have studied to identify the causative substances. As the results, the present inventors identified supercooling promoting agents in woody plants. The supercooling ability of identified flavonoid glycoside and synthesized flavonoid glycoside with similar structure was tested. It was found that the supercooling promoting agent comprising these flavonoid glycosides enables to stably supercool bulk water at low temperature for long-term. The aqueous solution containing the supercooling promoting agent of the present invention is useful to store biological materials at low temperature.

Abstract: The present invention provides an indium-doped Co4Sb12 skutterudite composition in which some Co on the cubic lattice structure may be replaced with one or more members of the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; some Sb on the planar rings may be replaced by one or more members of the group consisting of Si, Ga, Ge and Sn; and a second dopant atom is selected from a member of the group consisting of Ca, Sc, Zn, Sr, Y, Pd, Ag, Cd, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. The composition is useful as a thermoelectric material. In preferred embodiments, the composition has a figure of merit greater than 1.0. The present invention also provides a process for the production of the composition, and thermoelectric devices using the composition.

Abstract: A nanofluid is generally provided for use in a heat transfer system. The nanofluid can include nanoparticles suspended in a base liquid at a nanoparticle concentration in the nanofluid of about 0.01% to about 5% by volume. The nanoparticles can include zinc-oxide nanoparticles. The nanofluid for use in a heat transfer system can, in one embodiment, further include a surfactant. Thermal management systems configured to cool a computer having integrated circuits that generate heat during use are also provided. The thermal management system can include a zinc-oxide nanofluid circulated through a series of tubes via a pump such that heat produced by electronic components of the computer can be captured by the circulating nanofluid and then removed from the nanofluid by a radiator.

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: The present invention provides a pH stabilizing heat transfer medium composition comprising a main component of water, glycol, alcohol or glycol ether, and a pH buffer agent. The pH buffer agent is comprised of an alicyclic compound where a single ring-constituting carbon atom is bonded to two identical members or two different members selected from the group consisting of carboxymethyl and its salts, or where at least two ring-constituting neighboring carbon atoms are each bonded to a single member selected from the group consisting of carboxymethyl and its salts.

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

Abstract: A fluid composition includes a coolant and a plurality of nanoparticles dispersed within the coolant. The plurality of nanoparticles includes glass, silica, pumices, metal compounds adapted to react with chloride in the coolant, and/or mixtures thereof. The plurality of nanoparticles substantially increases heat capacity of the coolant and enhances heat transfer efficiency of the fluid composition.

Abstract: A thermal storage device is provided which comprises at least one storage medium which is a multicomponent mixture having a melting range between the solid phase of the mixture and the liquid phase of the mixture extending over at least 10 K.

Abstract: An anisotropically elongated thermoelectric nanocomposite includes a thermoelectric material.

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 subterranean ground heat exchange system, a method of installation, and a grout composition therefor. The grout composition is a pumpable slurry formed of from about 70 to about 85 parts by weight natural flake graphite and from about 30 to about 15 parts by weight bentonite. The solids content of the pumpable grout slurry is preferably at least 35% by weight and is more preferably at least 40% by weight. The ground exchange apparatus preferably utilizes an improved supply and return header comprised of supply and return ports which are provided through the vertically extending outer wall of a header housing. The header also includes an interior supply conduit which extends from the supply port into the interior of the header housing and includes a bend positioned in the interior of the housing for directing the heat transfer fluid downwardly.

Abstract: Disclosed is a highly functional low-cost metal complex oxide having low resistivity and excellent high-temperature stability, which places only little burden on the environment. Specifically, a metal complex oxide is produced by a method which is characterized by comprising a calcination step for obtaining a calcine containing a metal complex oxide, a cleaning step for cleaning the calcine with purified water, and a firing step for firing the cleaned calcine. Preferably, the calcine is cleaned with purified water a plurality of times for obtaining a sintered body having less structural defects. Since a perovskite oxide produced by this method has a low resistivity and a high output factor, it can be used as a thermoelectric material.

Abstract: The present invention provides a metal-graphite composite material favorable to two-dimensional diffusion of heat and having a high thermal conductivity in two axial directions, and a production method therefor. The metal-graphite composite material of the present invention includes: 20 to 80% by volume of a scaly graphite powder; and a matrix selected from the group consisting of copper, aluminium and alloys thereof, wherein the scaly graphite powder in which a normal vector to a scaly surface thereof is tilted at 20° or higher with respect to a normal vector to a readily heat-conducting surface of the metal-graphite composite material is 15% or less relative to a whole amount of the scaly graphite powder, and the metal-graphite composite material has a relative density of 95% or higher.

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: The present invention relates to a catalyst composition for the synthesis of thin multi-walled carbon nanotube (MWCNT) and a method for manufacturing a catalyst composition. More particularly, this invention relates to a multi-component metal catalyst composition comprising i) main catalyst of Fe and Al, ii) inactive support of Mg and iii) optional co-catalyst at least one selected from Co, Ni, Cr, Mn, Mo, W, V, Sn, or Cu. Further, the present invention affords thin multi-walled carbon nanotube having 5˜20 nm of diameter and 100˜10,000 of aspect ratio in a high yield.

Abstract: An object of the invention is to provide an alumina fiber aggregate which, when used as a filler in various materials such as, e.g., resins, coating materials, metals, and ceramics, enables the mixtures to have reduced viscosity and thereby heightens the productivity of products containing alumina fibers, and which enables cured thermosetting resins to have a sufficiently heightened thermal conductivity. This alumina fiber aggregate, when examined by the electron microscope method, gives a frequency distribution regarding number of fibers, wherein the number of fibers having a fiber length of 50-200 ?m is 70% or more (including 100%), the number of fibers having a fiber length smaller than 50 ?m is 30% or less (including 0), the number of fibers of 50-100 ?m is 30-50%, the number of fibers longer than 100 ?m but not longer than 200 ?m is 30-50%, and the number of fibers longer than 200 ?m is 20% or less (including 0). The fibrous mass comprises 70-100% by mass of Al2O3 and 0-30% by mass of SiO2.

Abstract: A method of engineering of enhanced transparent conducting oxides by incorporating discrete metallic particles and structures, nonmetallic, organic and inorganic metamaterials or nanostructures in order to manipulate optical, thermal, electronic or electrical energy, properties or effects. A method of using transparent conducting oxides (TCO) incorporating discrete metallic particles and structures, nonmetallic, organic or inorganic metamaterials or nanostructures for any purpose including to manipulate optical, thermal, electronic or electrical energy, properties or effects in or on any material, substrate, or device.

Abstract: Fibers containing nano-sized diamond and platinum nanocolloid, and bedding formed thereby.

Abstract: A heat-storage agent which can store a large quantity of cold heat in the temperature range of 3-5° C., is highly effective in preventing supercooling, and can retain the supercooling-preventing effect even when hydrate solidification/melting is frequently repeated. Also provided are an aqueous solution which enables the formation of a clathrate hydrate serving as a major component of the heat-storage agent, and a process for producing the clathrate hydrate. The aqueous solution contains at least one of tetra-n-butylammonium bromide and tri-n-butyl-n-pentylammonium bromide as a solute and contains tetraisopentylammonium bromide as a supercooling inhibitor, the weight proportion of the tetraisopentylammonium bromide to the tetra-n-butylammonium bromide and/or tri-n-butyl-n-pentylammonium bromide being in a given range. This aqueous solution is cooled to or below a hydrate formation temperature to thereby produce a clathrate hydrate. The heat-storage agent contains this clathrate hydrate as a major component.

Abstract: The present invention provides a polymer composition including a first base polymer (A) containing at least a thermoplastic polymer, a second base polymer (B) containing at least a thermoplastic polymer and not having compatibility with the first base polymer (A), and an additive (C) containing at least a substance not having compatibility with any of the first base polymer (A) and the second base polymer (B), the additive (C) being in the form of liquid or slurry at the lower of a pyrolysis temperature of the first base polymer (A) and a pyrolysis temperature of the second base polymer (B). (A), (B) and (C) are phase-separated from each other, and interfaces each located between two of phases of (A), (B) and (C) contacting each other form three-dimensional continuous parallel interfaces.

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: A liquefied-gas aerosol dusting composition is disclosed for preventing inhalation abuse incidents. The composition comprises at least one liquefied gas and denatonium benzoate, wherein the concentration of said denatonium benzoate in said aerosol dusting composition ranges from about 5 ppm to about 50 ppm.

Abstract: A one step method and system for producing nanofluids by a nanoparticle-source evaporation and deposition of the evaporant into a base fluid. The base fluid such oil or 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. An insulated heater-boat-evaporator having an evaporant material (nanoparticle-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 and forming nanoparticles, the nanoparticles absorbed by the liquid film to form nanofluid.

Abstract: Disclosed herein is a winter precipitation barrier composition, comprising: a retaining agent, a solvent, and optionally, an auxiliary component, such as a rheology/viscosity modifier, surfactant, detergent, foaming/defoaming additive, humectant, dye, colorant, fragrance, or a combinations thereof. In one embodiment, the retaining agent comprises a primarily hydrophobic monomer or a hydrophilic monomer.

Abstract: Self-steaming benefit compositions for treating fabrics are described. The present invention relates to compositions which are both self-steaming and include one or more benefit agents to provide benefits to fabrics. The present invention also relates to a method for treating fabrics utilizing the self-steaming benefit compositions of the present invention.

Abstract: A flameless portable heater comprising a reducing agent, a promoter and a binding agent formed into a flexible substrate having a desired shape. The reaction is oxygen-based; an alkaline electrolyte. A method of making an oxygen-based flameless portable heater apparatus.

Abstract: A carbon-containing metal-based composite material and a manufacturing method thereof are provided. The carbon-containing metal-based composite material includes a plurality of graphites, a plurality of heat-conducting reinforcements and a metal matrix. The graphites occupy 35%˜90% in volume. The heat-conducting reinforcements are distributed between the graphites. The heat-conducting reinforcements and the graphites are self-bonded. The heat-conducting reinforcements occupy 5%˜30% in volume and have a thermal conductivity larger than 200 W/mK. The metal matrix is filled between the heat-conducting reinforcements and the graphites, and the metal matrix occupies 5%˜35% in volume.

Abstract: The invention provides a frost-preventive composition which strongly defrosts and melts ice and which prevents frosting for a long period of time and which does not run or sag when applied to a wall surface or the like.

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: A gallium nitride-based material prepared by a vertical Hydride Vapor Phase Epitaxial Growth method which has thermal conductivity of at least 2.8×102 W/m·K at 25° C. is provided.

Abstract: A heat transfer fluid with carbon nanocapsules. The heat transfer fluid comprises a fluid and a plurality of carbon nanocapsules, uniformly dispersed in the fluid, in an amount of 0.05 to 10 parts by weight, based on 100 parts by weight of the heat transfer fluid. Particularly, the carbon nanocapsules are modified to bond with at least one kind of functional group, improving dispersiblity in the fluid. Thus, since the carbon nanocapsules are apt to disperse in fluid and have superior thermal conductivity, the heat conduction capability of the heat transfer fluid therewith is enhanced.

Abstract: A method for reducing the interaction between carbon monoxide present in a heat exchange medium and metals on the shell side of heat exchange reformer apparatus used for reforming of hydrocarbons by treatment of the shell-side of said apparatus with an effective amount of at least one passivation compound containing at least one element selected from phosphorus, tin, antimony, arsenic, lead, bismuth, copper, germanium, silver or gold is described. Where volatile compounds are formed by the passivation compound, the method further comprises compound recovery to prevent contamination and deactivation of subsequent process steps. The method reduces side reactions, provides improved reformer tube lifetime and allows tubes to be treated in-situ without the need for process shutdown.

Abstract: A thermal management system includes graphene paper disposed between a heat source and a heat sink to transfer heat therebetween. The graphene paper is oriented such that the individual layers are substantially perpendicular to the plane of the heat source and the plane of the heat sink to maximize heat transfer. The heat source and the heat sink can be any physical structure that emits and absorbs thermal energy, respectively. The graphene paper may be bonded to the heat source and the heat sink using a bonding agent, such as a thermally conductive material, and the like. The graphene paper may be formed in several different configurations, such as a spring structure, and the like.

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: A heat transfer fluid with carbon nanocapsules. The heat transfer fluid comprises a fluid and a plurality of carbon nanocapsules, uniformly dispersed in the fluid, in an amount of 0.05 to 10 parts by weight, based on 100 parts by weight of the heat transfer fluid. Particularly, the carbon nanocapsules are modified to bond with at least one kind of functional group, improving dispersiblity in the fluid. Thus, since the carbon nanocapsules are apt to disperse in fluid and have superior thermal conductivity, the heat conduction capability of the heat transfer fluid therewith is enhanced.

Abstract: A mixture for heat storage devices has a phase change material and particulate expanded graphite. The material mixtures are produced by mixing phase change material and expanded graphite as powders or in molten form, and shaping the mixtures into shaped bodies.

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.