1093 results about "Iodide" patented technology

A series of noble metal organometallic complexes of the general formula (I): ML_aX_b(FBC)_c, wherein M is a noble metal such as iridium, ruthenium or osmium, and L is a neutral ligand such as carbonyl, alkene or diene; X is an anionic ligand such as chloride, bromide, iodide and trifluoroacetate group; and FBC is a fluorinated bidentate chelate ligand such as beta diketonate, beta-ketoiminate, amino-alcoholate and amino-alcoholate ligand, wherein a is an integer of from zero (0) to three (3), b is an integer of from zero (0) to one (1) and c is an 10 integer of from one (1) to three (3). The resulting noble metal complexes possess enhanced volatility and thermal stability characteristics, and are suitable for chemical vapor deposition(CVD) applications. The corresponding noble metal complex is formed by treatment of the FBC ligand with a less volatile metal halide. Also disclosed are CVD methods for using the noble metal complexes as source reagents for deposition of noble metal-containing films such as Ir, Ru and Os, or even metal oxide film materials IrO₂, OsO₂ and RuO₂.

Scintillator materials based on certain types of halide-lanthanide matrix materials are described. In one embodiment, the matrix material contains a mixture of lanthanide halides, i.e., a solid solution of at least two of the halides, such as lanthanum chloride and lanthanum bromide. In another embodiment, the matrix material is based on lanthanum iodide alone, which must be substantially free of lanthanum oxyiodide. The scintillator materials, which can be in monocrystalline or polycrystalline form, also include an activator for the matrix material, e.g., cerium. Radiation detectors that use the scintillators are also described, as are related methods for detecting high-energy radiation.

Advantageous aqueous mixed salt systems viscosified with water-soluble or water-dispersable polymers which are superior to corresponding single salt systems of similar densities are provided. The mixed salt systems comprise water; a water-soluble or water-dispersable polymer capable of viscosifying an aqueous medium; one or more cations including a member selected from the group consisting of lithium, sodium, potassium, cesium, magnesium, calcium, zinc, or mixtures thereof; and one or more anions including a member selected from the group consisting of chloride, bromide, iodide, formate, nitrate, acetate, cyanate, thiocyanate, a zinc complex anion or mixtures thereof; there being present either at least two cations or at least two anions. Inventive viscosified mixed salt systems display-under such stressing factors as aging, heat, mechanical agitation, and shear-greater stability compared to the single salt systems of similar densities. Also provided are methods for making viscosified mixed salt systems and methods for advantageously using the same as drilling, drill-in, completion, hydraulic fracturing, work-over, packer, well treating, testing, spacer, or hole abandonment fluids.

Lithium ion battery positive electrode material are described that comprise an active composition comprising lithium metal oxide coated with an inorganic coating composition wherein the coating composition comprises a metal chloride, metal bromide, metal iodide, or combinations thereof. Desirable performance is observed for these coated materials. In particular, the non-fluoride metal halide coatings are useful for stabilizing lithium rich metal oxides.

A sorting system (110) conveys articles, such as peaches (114) on a conveyor belt (112) past an inspection zone (126) that is lighted by an illumination source (90) radiating a number of emission peaks over visible and infrared portions of the spectrum. The illumination source generates the radiation from an Indium Iodide lamp (92) that is reflected off a parabolic reflector (94) and through a "soda straw" collimator (100) to illuminated the peaches. A detector system (118) employs line scanning visible and infrared cameras (142, 140) to sense visible and IR wavelength reflectance values for the peach meat (124) and peach pit or pit fragments (126). Various image processing and analysis methologies, such as subtraction, ratio, logarithmic, regression, combination, angle, distance, and shape may be employed to enhance the image contrast and classify the resulting data for sorting the peaches. Employing subtraction also cancels "glint" caused by specular reflections of the illumination source off the peaches and into the cameras.

A process and apparatus for synthesizing a nanopowder is presented. In particular, a process for the synthesis of nanopowders of various materials such as metals, alloys, ceramics and composites by induction plasma technology, using organometallic compounds, chlorides, bromides, fluorides, iodides, nitrites, nitrates, oxalates and carbonates as precursors is disclosed. The process comprises feeding a reactant material into a plasma torch in which is generated a plasma flow having a temperature sufficiently high to yield a superheated vapour of the material; transporting said vapour by means of the plasma flow into a quenching zone; injecting a cold quench gas into the plasma flow in the quenching zone to form a renewable gaseous cold front; and forming a nanopowder at the interface between the renewable gaseous cold front and the plasma flow.

Acetic acid is produced while inhibiting an increased concentration or production of hydrogen iodide in a carbonylation reactor or corrosion of the carbonylation reactor.

A production process of acetic acid comprises a reaction step for continuously allowing methanol to react with carbon monoxide in the presence of a catalyst system comprising a metal catalyst (e.g., a rhodium catalyst), an ionic iodide (e.g., lithium iodide), and methyl iodide in a carbonylation reactor; and in the process, (i) the concentration of the metal catalyst is maintained at not less than 860 ppm on the basis of weight, the concentration of water is maintained at 0.8 to 15% by weight, the concentration of methyl iodide is maintained at not more than 13.9% by weight, and the concentration of methyl acetate is maintained at not less than 0.1% by weight, in a whole liquid phase in the reactor, and/or (ii) the concentration of the metal catalyst is maintained at not less than 660 ppm on the basis of weight, the concentration of water is maintained at 0.8 to 3.9% by weight, the concentration of the ionic iodide is maintained at not more than 13% by weight, the concentration of methyl iodide is maintained at not more than 13.9% by weight, and the concentration of methyl acetate is maintained at not less than 0.1% by weight, in a whole liquid phase in the reactor.

A ceramic capacitor comprising at least a dielectric ceramic layer and at least a graphene electrode layer deposited on the ceramic layer, wherein the graphene electrode layer has a thickness no less than 2 nm and consists of a graphene material or a graphene composite material containing at least 0.1% by weight of a graphene material dispersed in a matrix material or bonded by a binder material, wherein the graphene material is selected from (a) a plurality of single-layer or multi-layer pristine graphene sheets having less than 0.01% by weight of non-carbon elements, or (b) one or a plurality of a non-pristine graphene material having at least 0.01% by weight of non-carbon elements, wherein the non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof.

This invention provides methods for producing a polymer particle which contains unusually high negative charges on the surface of the particle. Preferably, the polymer is pharmaceutically acceptable. The negative charges can be conferred by chemical groups such as carboxyl, sulfonate, nitrate, fluorate, chloride, iodide, persulfate, and many others, with carboxyl group being preferred. The invention also provides polymer particle produced by the methods of the invention.

The present invention concerns very fast scintillator materials comprising lutetium iodide doped with Cerium (Lu_1-xI₃:Ce_x; LuI₃:Ce). The LuI₃ scintillator material has surprisingly good characteristics including high light output, high gamma ray stopping efficiency, fast response, low cost, good proportionality, and minimal afterglow that the material is useful for gamma ray spectroscopy, medical imaging, nuclear and high energy physics research, diffraction, non-destructive testing, nuclear treaty verification and safeguards, and geological exploration. The timing resolution of the scintillators of the present invention provide compositions capable of resolving the position of an annihilation event within a portion of a human body cross-section.

The invention relates to a simple method for synthesizing cyproconazole through cyclopropyl methyl ketone. P-chlorobenzyl choride VI is taken as a starting raw material to prepare into a Grignard reagent which performs nucleophile substitution reaction with the cyclopropyl methyl ketone to generate alcohol VII; the alcohol VII is dehydrated in the presence of ortho-position benzene ring and oxygen phosphorus chloride to form conjugated alkene VIII; hydroxyl is introduced at benzyl position through hydroboration oxidation reaction to obtain alcohol IX; Dess-Martin oxidation is carried out on the obtained alcohol to obtain ketone IV; Darzens condensation is performed on the ketone IV and sulfonium iodide at alkalescence condition to further obtain cyproconazole through ring opening of triazole. The invention is a cyproconazole synthesizing method with simple operation, good safety, environmentally friendliness and high yield, can realize industrialized production, and satisfy heavy demands of agricultural production to cyproconazole.

A process for the preparation of trifluoromethyl iodide is provided. The process includes the step of contacting in a reactor a compound represented by the formula:

CF₃—W

• • and a compound represented by the formula:

IF_n

wherein W can be H, Br, Cl, COOH, COCl, COOCH₃, COOC₂H₅, COCH₃, COPh, CF₃, Si(CH₃)₃, SPh, SCH₃, SSCF₃, SSPh, SSCH₃, or SO₂Cl, wherein n is 1, 3, 5, or 7, and wherein the step of contacting is carried out, at a temperature, pressure and for a length of time sufficient to produce trifluoromethyl iodide. The contacting step can be carried out in the presence or absence of a catalyst and the contacting step can be carried out in the presence or absence of air.

Provided is a lithium or sodium metal battery having an anode, a cathode, and a porous separator and/or an electrolyte, wherein the anode contains an integral 3D graphene-carbon hybrid foam composed of multiple pores, pore walls, and a lithium-attracting metal residing in the pores; wherein the metal is selected from Au, Ag, Mg, Zn, Ti, Na, K, Al, Fe, Mn, Co, Ni, Sn, V, Cr, or an alloy thereof and is in an amount of 0.1% to 50% of the total hybrid foam weight or volume, and the pore walls contain single-layer or few-layer graphene sheets chemically bonded by a carbon material having a carbon material-to-graphene weight ratio from 1/200 to 1/2, wherein graphene sheets contain a pristine graphene or non-pristine graphene selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof.

The invention provides a method for leaching gold from a deserted printed circuit board. The method comprises the specified steps: Step 1: the deserted printed circuit board is crushed and smashed to separate metals and plastics; Step 2: the metals obtained from the Step 1 are mixed with nitric acid solution, stirring and reaction are carried out for 1h to 6h at the constant temperature of 10 DEG C to 80 DEG C, products are filtered, copper is leached from the filtrate, and the filter residue is washed and dried; Step 3: the filter residue obtained from the Step 2 is added into the blended solution of first iodine solution and a pro-oxidant, a reaction pH value is controlled at 3 to 9 by an inorganic acid and alkaline solution, reaction is carried out for 2h to 5h in a constant temperature oscillator at the temperature of 10 DEG C to 60 DEG C; and Step 4: products obtained from the Step 3 are filtered, with the filtrate fed into the cathode region of an electrobath, second iodine solution composed of iodine, water-soluble iodide and water is used as the electrolyte and fed into the anode region of the electrobath, electrolysis is carried out, the solution at the cathode region is filtered, then the filter residue obtained is gold mud, and the second iodine solution at the anode region is recovered. The method has high gold leaching ratio, low cost and less environmental pollution.

The invention discloses a phenyl bistriazole compound, and a preparation method and application thereof, and particularly relates to a 1-[4-(1H-1,2,4-triazole-1-yl)phenyl]-1H-1,2,4-triazole single crystal and a preparation method of 1-[4-(1H-1,2,4-triazole-1-yl)phenyl]-1H-1,2,4-triazole. The organic compound is prepared by heating ethylenediamine, 1H-1,2,4-triazole, potassium carbonate, 1,4-diiodobenzene and cuprous iodide through a one-pot method. The preparation method disclosed by the invention has the characteristics simple process operation, low production cost and less environmental pollution, and is suitable for large-scale industrial production. The 1-[4-(1H-1,2,4-triazole-1-yl)phenyl]-1H-1,2,4-triazole single crystal prepared by the invention can be used in the aspect of photoelectric materials, especially dye and luminescent agents.

The present invention relates to a polarizing film obtained by stretching a polyvinyl alcohol resin film containing iodine, an iodide a cross-linking agent and/or waterproofing agent and then treating the film with a solution containing 0.0001 to 5.0 wt % of inorganic acid except for boric acid or a salt thereof and/or organic acid and having a pH of preferably 2≦pH≦5, more preferably 2.2≦pH≦5. Said polarizing film is excellent in wet heat durability and shows less decrease in polarization characteristics in wet heat test and said polarizing film obtained in a further preferable embodiment is also excellent in dry heat durability.

The invention discloses a method for synthesizing fluorine-containing antiform alkyl cyclohexyl biphenyl single liquid crystal; in the method, bromobenzene and magnesium are selected to carry out Grignard reaction; then the reactants are coupled and hydrolyzed with alkyl cyclohexanone; dehydration, hydrogenation, transformation and iodization are carried out to synthesize alkyl cyclohexyl iodide; the Grignard reaction is carried out on fluorobromobenzene and magnesium, then low temperature coupling is carried out to synthesize p-fluoropheyl boric acid; finally, coupling reaction is carried out to synthesize the target compound; the method of the invention has the characteristics of use of highly active load catalyst, high yield, low production cost, little discharge of three wastes, reduction of generation of isomers and improvement of selectivity and yield of the target compound.

The present invention relates to a preparation method of pinoxaden, the steps are as follows: 2,6-diethyl-4-methylaniline is reacted with sandmeyer to obtain 2,6-diethyl-4-methylbromobenzene, and then mixed with Malononitrile is coupled under the catalysis of cuprous iodide to obtain 2,6-di-ethyl-4-methylphenylmalononitrile, and finally hydrolyzed in hydrogen peroxide solution to obtain 2,6-diethyl-4 ‑Methylphenylmalonamide; subsequent reaction with [1,4,5]‑oxadiazepine dihydrobromide in the presence of triethylamine to give 8‑(2,6‑diethyl‑ 4-methylbenzene)tetrahydropyrazol[1,2d][1,4,5]-oxadiazepine-7,9-dione, preferably reacted with pivaloyl chloride to obtain pinoxaden. The invention adopts a low-priced catalyst to reduce the production cost, and in addition, hydrogen peroxide-alkali is used as the hydrolysis system in the preparation process, which greatly reduces environmental pollution.

A polarizing film obtained by stretching a polyvinyl alcohol resin film containing iodine, an iodide, and a crosslinking agent and/or water resistance imparter and then treating the film with a solution which contains either an inorganic acid other than boric acid or a salt thereof and/or an organic acid in an amount of 0.0001-5.0 wt.% and which has a pH of desirably 2-5, preferably 2.2-5. The polarizing film is excellent in wet heat durability and is less apt to decrease in polarizing properties in a wet heat durability test. The polarizing film obtained according to the preferred embodiment is excellent also in dry heat durability.

A bentonite based organoclay, when mixed with a biocidal quaternary amine containing a benzyl molecule within its structure, acts as a reasonably effective biocide. When this organoclay is further treated with iodine and iodide compounds, its efficiency is greatly enhanced.

The present invention concerns very fast scintillator materials comprising lutetium iodide doped with Cerium (Lu_1-xI₃:Ce_x; LuI₃:Ce). The LuI₃ scintillator material has surprisingly good characteristics including high light output, high gamma-ray stopping efficiency, fast response, low cost, good proportionality, and minimal afterglow that the material is useful for gamma-ray spectroscopy, medical imaging, nuclear and high energy physics research, diffraction, non-destructive testing, nuclear treaty verification and safeguards, and geological exploration. The timing resolution of the scintillators of the present invention provide compositions capable of resolving the position of an annihilation event within a portion of a human body cross-section.

A halide scintillator material is disclosed where the halide may comprise chloride, bromide or iodide. The material is single-crystalline and has a composition of the general formula ABX₃ where A is an alkali, B is an alkali earth and X is a halide which general composition was investigated. In particular, crystals of the formula ACa_1-yEu_yI₃ where A=K, Rb and Cs were formed as well as crystals of the formula CsA_1-yEu_yX₃ (where A=Ca, Sr, Ba, or a combination thereof and X═Cl, Br or I or a combination thereof) with divalent Europium doping where 0≦y≦1, and more particularly Eu doping has been studied at one to ten mol %. The disclosed scintillator materials are suitable for making scintillation detectors used in applications such as medical imaging and homeland security.

An organic electroluminescent device having: a pair of an anode and cathode, a single-layered or multi-layered film therebetween containing an organic luminescent material and an insulating film of a chloride, a bromide or an iodide between the cathode and the single-layered or multi-layered film, the device being adapted to emit light by application of voltage or current across the pair of electrodes.

Metal halide lamp includes a discharge vessel having a ceramic wall with an internal diameter Di and enclosing two electrodes whose tips are a distance EA apart, wherein EA/Di>5. The vessel has a filling comprising Hg, CeI, and LiI.

A peach sorting system (110) conveys peaches (114) on a conveyor belt (112) past an inspection zone (126) that is lighted by an illumination source (90) radiating a number of emission peaks over visible and infrared portions of the spectrum. The illumination source generates the radiation from an Indium Iodide lamp (92) that is reflected off a parabolic reflector (94) and through a "soda straw" collimator (100) to illuminated the peaches. A detector system (118) employs line scanning visible and infrared cameras (142, 140) to sense visible and IR wavelength reflectance value differences existing between peach meat (124) and peach pit or pit fragments (126). Because there is a reversal in the reflectance values between the visible and infrared wavelengths, a data subtraction technique (150) is employed to enhance the detection contrast ratio. The data subtraction technique also cancels "glint" caused by specular reflections of the illumination source off the peaches and into the cameras.

The invention relates to an intermediate iodide in the synthesis of Tazobactam, and a preparation method and the application thereof in preparing Tazobactam, and discloses the structural formula (I) of 2Beta-iodomethyl penicillanic acid ester. The invention has unique technique, stable product quality, mild technique condition and high yield, is easy to be controlled, requires relatively low production cost, reduces environmental pollution, needs no special equipment and is suitable for industrialized mass production.

The present invention provides a method of reducing the concentration of an iodide compound using an ion exchange resin. The ion exchange resin is a macroporous resin having sulfur functional groups exchanged with silver, a dry weight capacity of at least 5.0 eq/kg, a mean pore diameter (D₅₀) of about 400-800 Å, a pore volume of about 0.4-0.6 ml/g, and a surface area of about 20-40 m²/g.

A corrosion inhibitor composition comprising one or more organic solvents, one or more corrosion inhibitor intermediates and about 0.1 to about 20 weight percent of one or more iodide salts dissolved in said composition and methods of using the corrosion inhibitor composition in acid fracturing and matrix acid stimulation of subterranean formations.

The invention provides a method for preparing canthaxanthin. The method comprises that: in water and organic solvent immiscible with the water, under the action of hydrogen peroxide catalyst, alkali metal chlorate or bromate and beta-carotene are subjected to oxidation reaction, wherein the oxidation reaction is carried out by adding hydrogen peroxide into a mixture containing the beta-carotene, the water, metal iodide, the organic solvent immiscible with the water and the alkali metal chlorate or the alkali metal bromate to obtain reaction mixed solution. The method can efficiently produce the canthaxanthin in an industrialized mode in short time.

A composition of the positive electrode comprises at least one electroactive metal, at least one iodide of at least one transition metal, a first alkali metal halide, and an electrolyte salt having a melting point of less than about 300° C. The at least one electroactive metal is selected from the group consisting of titanium, vanadium, niobium, nickel, cobalt, chromium, manganese, silver, antimony, cadmium, tin, lead, iron, and zinc. An electrochemical cell and a method for making an electrochemical cell are also presented.