154 results about "Antimonate" patented technology

A light emitting device can include a substrate, electrodes provided on the substrate, a light emitting diode configured to emit light, the light emitting diode being provided on one of the electrodes, phosphors configured to change a wavelength of the light, and an electrically conductive device configured to connect the light emitting diode with another of the plurality of electrodes. The phosphors can substantially cove at least a portion of the light emitting diode. The phosphor may include aluminate type compounds, lead and/or copper doped silicates, lead and/or copper doped antimonates, lead and/or copper doped germanates, lead and/or copper doped germanate-silicates, lead and/or copper doped phosphates, or any combination thereof.

This invention relates to luminescent materials for ultraviolet light or visible light excitation containing lead and/or copper doped chemical compounds. The luminescent material is composed of one or more than one compounds of aluminate type, silicate type, antimonate type, germanate/or germanate-silicate type, and/or phosphate type. Accordingly, the present invention is a good possibility to substitute earth alkaline ions by lead and copper for a shifting of the emission bands to longer or shorter wave length, respectively. Luminescent compounds containing copper and/or lead with improved luminescent properties and also with improved stability against water, humidity as well as other polar solvents are provided. The present invention is to provide lead and/or copper doped luminescent compounds, which has high color temperature range about 2,000K to 8,000K or 10,000K and CRI over 90.

A phosphor for converting ultraviolet light or blue light emitted from a light emitting element into a visible white radiation having a high level of color rendering properties, containing a light emitting component prepared from a solid system of an alkaline earth metal antimonate and a system derived from the solid system and exhibiting intrinsic photoemission, such as a fluoroantimonate, a light emitting component prepared from a manganese(IV)-activated antimonate, a titanate, silicate-germanate, and an aluminate, a light emitting component prepared from a europium-activated silicate-germanate or from a system containing a sensitizer selected from a group consisting of europium (II) and manganese (II) as a secondary activator and having an orange color or a dark red color in the spectrum range over 600 nm, or a light emitting component composed of a mixture of eight or less light emitting components having different emission bands and brought to a state of continuous emission of about 380 to 780 nm exhibiting a color temperature of about 10,000 to 6,500 K and a color temperature of about 3,000 to 2,000 K by virtue of the superposition of the light emitting bands.

A nano Sb doped water SnO2 slurry for antistatic or antiradiation coated layer is prepared through dispersing the nano ATO powder in water, adding disperser and pH regulator, and blal grinding. It has long storage period (more than 5 months).

A catalyst composition is disclosed. The composition comprises a titanium compound, a solubility promoter, a phosphorus source, a solvent, and optionally a sulfonic acid, a cocatalyst, or both. The cocatalyst can be a cobalt/aluminum catalyst, an antimony compound, or combinations thereof. Also disclosed is a process for producing the composition. The process comprises combining a titanium compound, a solubility promoter, a phosphorus source, a solvent, and optionally a sulfonic acid, a cocatalyst, or both. Further disclosed is a process for using the composition which comprises contacting a carbonyl compound, in the presence of the composition, with an alcohol under a condition suitable for esterification, transesterification, polymerization, or combinations thereof.

A resin composition includes a binder component having at least one of a monomer and an oligomer of one or more of a fluorine system and a silicone system having a polymerizable functional group in a molecule. The resin composition also includes fine metal oxide particles, and a polymerization initiator. The fine metal oxide particles include particles selected from the group of zinc oxide, indium oxide, tin oxide, antimony oxide, tin-doped indium oxide (ITO), antimony-doped tin oxide (ATO), zinc-doped indium oxide (IZO), aluminum-doped zinc oxide (AZO), and fluorine-doped tin oxide (FTO).

The invention relates to various antimonate luminescent materials which can convert ultraviolet light, near ultraviolet light or blue light of a luminescent element into high-strength visible light and can be used in a white light LED, and a method for preparing the same. The series of the luminescent materials comprise an undoped quaternionic antimonate material, a transition metal doped antimonate material, and a T1 like ion doped antimonate material with an S2 configuration, wherein a rare earth element doped antimonate material and the T1 like ion are similar to a rare earth ion codoped antimonate material. The luminescent materials can be used in the white light LED and relevant display and illuminating devices. The luminescent material has the advantages of unique design, cheap and easily obtained raw materials, simple preparation process, and stable chemical properties of the raw materials and excellent luminescent performance, thus the antimonate luminescent materials are ideal fluorescent powder candidate materials for the white light LED.

Provided is an interlayer film for laminated glass which is excellent in transparency, heat-shielding property, durability and electromagnetic wave permeability, and which has good adhesiveness with glass. Provided is an interlayer film for laminated glass made of a resin composition containing polyvinyl acetal (A), anhydrous zinc antimonate (B) and a plasticizer (C), wherein the anhydrous zinc antimonate (B) having a ZnO/Sb₂O₅ molar ratio of from 0.8 to 1.2 is dispersed with an average particle diameter of 60 nm or less in the resin composition. A laminated glass is produced using such an interlayer film.

The invention discloses antimonate-based red phosphor powder. The antimonate-based red phosphor powder is characterized in that the chemical formula of the antimonate-based red phosphor powder is LiLa[2-2x]Eu2xSbO6, wherein x is a molar ratio coefficient by doping of Eu<3+> substituting for La<3+>, and the data range of x is greater than or equal to 0.001 and less than or equal to 0.6. The red phosphor powder is a fluorescent synthetic material with high luminous efficiency, has relatively high crystallinity and visible light permeability, can emit pure red light with main wavelength of 614 nanometer under the excitation of ultraviolet, near ultraviolet and blue light; being cooperated with green phosphor powder, the red phosphor powder can be coated on a blue light LED (light emitting diode) chip for preparing a novel white light LED. The invention also provides a preparation method for the antimonate-based red phosphor powder. According to the preparation method, the source of raw materials is abundant, the cost of the raw materials is low, and the preparation method is simple and is easy to operate; in the preparing process, the materials do not need to be protected by inert gases or reducing atmosphere, so that energy consumption and product cost are obviously lowered. Compared with other sulfides and halides, the antimonate-based red phosphor powder product is easy to collect, no waste water and no waste gas are discharged, and the antimonate-based red phosphor powder is environment-friendly.

An electrochromic device including: (a) a first substantially transparent substrate having an electrically conductive material associated therewith; (b) a second substrate having an electrically conductive material associated therewith; (c) an electrochromic medium contained within a chamber positioned between the first and second substrates which includes: (1) a solvent; (2) an anodic material; and (3) a cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic; (d) wherein a seal member, the first substrate, the second substrate, and/or the chamber includes a plug associated with a fill port; and (e) wherein the plug is at least partially cured with an antimonate photo initiator and/or is one- or two-part plug which comprises a resin or mixture of resins that are substantially insoluble and/or substantially immiscible with an associated electrochromic medium while in the uncured state.

A chain antimony oxide fine particle group comprising antimony oxide fine particles which have an average particle diameter of 5 to 50 nm, are connected in the form of a chain and have an average connection number of 2 to 30 and preferably used for forming a hard coating film. The fine particle group can be prepared by a process comprising treating an alkali antimonate aqueous solution with a cation exchange resin to prepare an antimonic acid (gel) dispersion and then treating the dispersion with an anion exchange resin and/or adding a base to the dispersion. Also provided is a substrate with a film comprising a substrate and a hard coating film. The hard coating film includes a chain inorganic oxide fine particle group, in which inorganic oxide fine particles of 2 to 30 on the average are connected in the form of a chain, and a matrix. The inorganic oxide particles may be silica particles, silica-alumina particles being preferable, and porous particles and/or hollow particles having a cavity inside being more preferable.

For the production of acrylonitrile by ammoxidation of propylene, there is provided a catalyst capable of giving a high yield for a long period of time. In producing acrylonitrile by ammoxidation of propylene, there is used a metal oxide as a catalyst, which metal oxide contains iron, antimony, molybdenum, bismuth, potassium, an F element, a G element, an H element and silica as essential components in a specific composition ratio, and in which metal oxide iron antimonate exists as a crystal phase, provided that the F element is at least one element selected from the group consisting of magnesium, calcium, strontium, barium, manganese, cobalt, nickel, copper, silver, zinc and cadmium, the G element is at least one element selected from the group consisting of chromium, aluminum, gallium and indium, and the H element is at least one element selected from the group consisting of yttrium, lanthanum, cerium, praseodymium, neodymium and samarium.

The invention discloses a normal-pressure densification method of sodium potassium niobate-based leadless piezoelectric ceramic, and belongs to the technical field of the preparation of functional ceramic materials. Sodium carbonate, potassium carbonate and niobium pentaoxide are taken as main raw materials; the leadless piezoelectric ceramic with high density is prepared by sintering the raw materials under normal pressure by the conventional solid reaction method by adding second components such as calcium titanate, lithium antimonate, lithium tantalate and the like without sintering processes such as vacuumization, hot pressing/hot isostatic pressing and the like; and the prepared ceramic which consists of a morphotropic phase boundary has high piezoelectric and ferroelectric properties. By the method, the defects of over-high equipment requirements, rigorous production processes and higher production cost of the sintering processes such as the hot pressing and the like are overcome; and the leadless piezoelectric ceramic with the high density and high piezoelectricity is prepared by a normal pressure sintering process by adding the second components and optimizing process parameters.

The invention provides a chemical method for trapping, chemically fixing and purifying greenhouse gases such as carbon dioxide, sulfur dioxide, sulfur trioxide, nitrogen oxides and the like, which is characterized by adopting an organic metal compound and a solvent as trapping and chemical fixing agents, wherein the organic metal compound is a coordination compound of nitrogenous organic bismuth and organic antimony; and the solvent is an organic solvent. By means of the method, the trapping and chemical fixing of all the greenhouse gases can be realized to form corresponding metal salts; and at different temperatures, selective gradient analysis can be realized so that the trapping and purification of single gas is further realized. The trapping and fixing agents have high fixing capacity, high analytic speed, low regeneration energy consumption and low price, are easy and simple to prepare, have high stability and can be used repeatedly. The chemical method can be widely used for carrying out trapping and chemical fixing on the greenhouse gases in flue gas, synthesis ammonia, natural gas, kiln gas and the like and can realize enrichment purification of the single gas in one step.

The invention relates to a novel chiral iron complex, in particular to a novel axial chiral iron complex of a nitrogen ligand. The novel chiral iron complex has the following structural formula: wherein m+n is between 2 and 3; m is an integer from 0 to 3; n is an integer from 0 to 3; X and Y are halogens, C1-C8 carboxylate radials, sulfate radicals, perchlorate radicals, 4-(3,5-bi-trifluoromethylphenyl) borate radials, 4-(pentafluoro phenyl) borate radials, 4(perfluoro tert-butoxy ) aluminum ions, 4(hexafluoro isopropoxy) aluminum ions, hexafluoro phosphate radicals, hexafluoro antimonate radials, tetrafluoro borate radials or trifluoro methanesulfonic acid radials; and X and Y are the same or different. The invention also provides a method for preparing the novel chiral iron complex. The novel axial chiral iron complex of the nitrogen ligand can catalyze the insertion reaction of dissymmetrical O-H bonds of alpha-diazotate and show high activity and enantioselectivity.

A process and equipment for preparing nano-Sb2O3 features that the oxide of antiomony or antimony oxide ore powder is used as raw material, the air plasma is used as heat source, and the horizontal reactor and two-pass gasifying are used to prepare cubic-crystalline high-activity nano-Sb2O3.

The present invention relates to a catalyst system for preparing carboxylic acids and/or carboxylic anhydrides, which system comprises a plurality of superposed catalyst layers arranged in a reaction tube, where vanadium antimonate is introduced into the active material in at least one of the catalyst layers. The present invention further relates to a process for gas-phase oxidation, in which a gaseous stream comprising at least one hydrocarbon and molecular oxygen is passed through a plurality of catalyst layers and the maximum hot spot temperature is below 425° C.

A coating that can be adhered to a polyethylene gasoline container to substantially reduce its gas permeability, and a gasoline container treated with such a coating. A single-component cationic curing composition with increased impermeability to gasoline vapor uses a bis “F” epoxy in combination with a catalyst and oxetane. The invention takes advantage of a narrower ultraviolet absorption spectrum of the bis “F” epoxy, whereby ultraviolet radiation outside the UV absorption spectrum of the bis “F” will activate the catalyst, the highly active superacid from the antimonate anion, without any significant reduction of the cationic curing reaction. In the preferred embodiment the bis “F” and oxetane combination is used along with various additives included for flow and cosmetic purposes.

The invention discloses a lead manganate antimonate (PMS) doped niobium nickel-lead zirconate titanate piezoelectric ceramic (PNN-PZT) having the raw material formula: (1-x)Pb(Ni[1/3]Nb[2/3])[0.5]Zr[y]Ti[0.5-y]O[3]-xPb(Mn[1/3]Sb[2/3])O[3], wherein in the formula, x and y represent the molar content and have numerical values respectively being x=0.0-0.06 and y=0.10-0.20. A traditional solid phase synthesis process is adopted, a pre-sintering temperature is 800-900 DEG C, a sintering temperature is 1000-1300 DEG C, and a novel piezoelectric ceramic material is obtained, wherein the material has high piezoelectric coefficient (d33<*>=1000 pm/V) and excellent mechanical properties (E=120 GPa, and K1C=1.44 Mpa.m<1/2>). The piezoelectric ceramic based on lead zirconate titanate has high piezoelectric coefficient and excellent mechanical properties. The novel piezoelectric ceramic is mainly used in the fields of micrometric displacement actuators, piezoelectric sensors, transducers and the like, and has great market values.