523 results about "Stannate" patented technology

A coated article is provided which may be heat treated (e.g., thermally tempered) and / or heat bent in certain example instances. In certain example embodiments, a zinc stannate based layer is provided between a tin oxide based layer and a silicon nitride based layer, and this has been found to significantly reduce undesirable mottling damage upon heat treatment / bending. This results in significantly improved bendability of the coated article in applications such as vehicle windshields and the like.

The invention discloses a tin-carbon nano-composite and a preparation method which are used for a cathode of a li-ion battery. The steps of the preparation method are as follows: 1) dissoluble stannate or dissoluble tin salt is mixed uniformly with starch in order to obtain admixture; the mass ratio of starch and tin in the dissoluble stannate or tin in the dissoluble tin salt is 1:0.01 to 0.5; 2) the obtained admixture is arranged in inertia gas environment, heated to the temperature of 300 DEG C to 400 DEG C which is kept for 0-10 hours, and then heated to the temperature of 500 DEG C to 1000 DEG C which is kept for 0-10 hours and then cooled to obtain the tin-carbon nano-composite used for the cathode of the li-ion battery. The preparation method of the invention has simple process, low cost, high specific capacity and excellent circulation performance of obtained tin-carbon nano-composite.

The present invention relates to the oxide sintered body substantially containing zinc, tin and oxygen, useful as a target, which can be sputtered under charging of high DC power, without generation of arcing or crack, and a manufacturing method for an oxide transparent conductive film formable in high-speed, and the oxide transparent conductive film excellent in chemical resistance. The oxide sintered body substantially containing zinc, tin and oxygen; containing tin at an atomic number ratio, Sn / (Zn+Sn), of 0.23 to 0.50, and being composed mainly of a zinc oxide phase and at least one kind of zinc stannate compound phase, or being composed of at least one kind of zinc stannate compound phase; provided by a method for manufacturing the oxide sintered body by formulating an aqueous solvent to raw material powder containing powder of a zinc stannate compound, or mixed powder of tin oxide powder and zinc oxide powder, and after mixing the resulting slurry for equal to longer than 15 hours, by subjecting the slurry to solid-liquid separation, drying and granulation, and subsequently compacting by charging the granule into a mold, followed by sintering the resultant compact under sintering atmosphere at 1300 to 1500° C. for equal to or longer than 15 hours.

A coated article is provided which may be heat treated (e.g., thermally tempered) in certain example instances. In certain example embodiments, the coated article includes a low-emissivity (low-E) coating having a zinc stannate based layer provided over a silver-based infrared (IR) reflecting layer, where the zinc stannate based layer is preferably located between first and second silver based IR reflecting layers. The zinc stannate based layer may be provided between and contacting (i) an upper contact layer of or including Ni and / or Cr (or Ti, or TiOx), and (ii) a layer of or including silicon nitride.

Stabilized thickened hydrogen peroxide containing compositions are disclosed. The compositions contain a stabilizer system made up of a stannate stabilizer, a phosphorus containing stabilizer or a mixture of phosphorus containing stabilizers; and an aromatic chelating agent or a mixture of aromatic chelating agents. The compositions are suitable for use as disinfectants, as cleaning agents, and in various personal care applications such as hair care and tooth whitening.

The invention discloses a making method of nanometer stannic oxide hollow ball, which comprises the following steps: allocating 1-40% stannic salt or stannate solution; adding alkaline to adjust pH value to 9-14; adding natural polymer powder into reacting tank to blend evenly; immersing for 1-10d; adding 1-20% natural polymer powder; filtering the natural polymer powder to dry; placing dried powder into high-temperature heater; processing for 3-25h under 300-800 deg.c; cooling to indoor temperature.

The invention provides a preparation method for nanometer zinc hydroxystannate and nanometer zinc stannate. Said method uses tin compounds as raw materials to prepare zinc hydroxystannate with particle size of 2-100 nm. Nanometer zinc stannate can be obtained by sintering the zinc hydroxystannate at high temperature. Zinc hydroxystannate (xZnO*ySnO*zH2O) has a molar ratio of x : y : z at 1 : 0.8-1.4 : 1-5. They can be used alone or mixed for polymer materials, and has a good effect on flame retardancy and smoke suppression. Nanometer zinc hydroxystannate can merely be used in the material operating less than 180DEG C, while nanometer zinc stannate can be used for various polymer materials. In addition, both can be also used for gas-sensitive materials and lubricant additives.

The invention discloses a general purpose synthesized method of lanthanide series rare earth stannate nanometer power, which comprises the following steps: dissolving lanthanide series rare earth nitrate (Ln(NO3)3, Ln=La-Lu) into deionized water; adding sodium stannate or potassium stannate with the same mole number; stirring; putting the final solution into autoclave; setting filling degree at 80-90%; water- annealing 4-100 h during the range of 180-250 deg.c; centrifuging and drying the treated solution at last; getting the product.

Provided is a novel aqueous slurry composition for polishing / planarization of a substrate. The composition includes silicon dioxide abrasive particles wherein the abrasive particles are anionically modified / doped with metallate anions selected from the group consisting of aluminate, stannate, zincate and plumbate, thereby providing a high negative surface charge to the abrasive particles and enhances the stability of the slurry composition.

The invention discloses a preparation method of a tin-dioxide-coated carbon fiber material, and a product and application thereof. The preparation method comprises the following steps: depositing a tin dioxide film on the surface of natural cellulose by a sol-gel process by using tetraisopropyl stannate as a precursor and the natural cellulose as a template and carbon source, and calcining in an inert gas protective atmosphere to obtain the tin-dioxide-coated carbon fiber material. The raw material natural cellulose used as the template and carbon source has the advantages of wide sources and low price; the preparation method is simple and easy to implement, and has the advantages of low cost and no pollution; and when being used as a lithium ion battery negative pole material, the prepared tin-dioxide-coated carbon fiber material has the advantages of high specific capacity, high loop stability, long cycle life and the like.

A stabilized basic aqueous hydrogen peroxide composition is disclosed. The composition contains about 0.3 wt % to about 15 wt % of hydrogen peroxide; water; and a stabilizer system that contains about 10 ppm to about 1% of a stannate stabilizer; 10 ppm to about 1% of a phosphonic acid chelating agent or a mixture of phosphonic acid chelating agents; and 10 ppm to about 1% of an aromatic chelating agent or a mixture of aromatic chelating agents. The composition comprises less than about 10 ppm pyrophosphate, preferably no pyrophosphate; and has a pH greater than 7.0, preferably about 8.0 to about 10.5.

The invention belongs to the technical field of lithium-ion batteries, and particularly relates to a preparation method of a negative electrode material for the lithium-ion battery, namely a preparation method of a tin dioxide / titanium dioxide spherical particle and graphene nanoribbon composite material. The method comprises the steps of employing potassium stannate and urea as raw materials, synthesizing tin dioxide hollow spheres through a hydrothermal process, and then mixing the tin dioxide hollow spheres with tetrabutyl titanate; preparing tin dioxide / titanium dioxide spherical particles through a sol-gel method; and finally mixing the tin dioxide / titanium dioxide spherical particles with a graphene nanoribbon dispersion liquid to obtain a tin dioxide / titanium dioxide-graphene nanoribbon composite material product. The operation is simple; the cost is low; the method is friendly to environment; and the prepared product has relatively high capacity and excellent cycle performance and can be widely applied to negative electrode materials for high-power lithium-ion batteries and super capacitors.

The invention discloses a synthesizing method of lanthanum stannate, europium stannate and composite stannate nanometer powder, which comprises the following steps: dissolving lanthanum stannate and europium stannate with different molar rates or lanthanum stannate or europium stannate in the deionized water; stirring; adding sodium stannate or potassium stannate with the molar weight as the sum of lanthanum stannate and europium stannate in the solution; stirring; putting terminal solution into high-pressure autoclave; setting the filling density at 80-90%; disposing for 4-30h within 180-250 deg.c through hot water; centrifuging the disposed solution; cleaning; drying the product; obtaining the product with diameter at 15-35nm. The molecular formula of the product is La2-xEuxSn2O7 (x=02), which produces single and one-phase product.

Zinc stannate material has excellent performances such as photocatalysis, flame redardation, smoke inhibition and the like, and the invention provides a preparation method for nanometer zinc stannate. According to the method, a cheap stannum compound is taken as the raw material for preparation of zinc stannate with a particle size of 5-100 nm. The obtained zinc stannate is controllable in size and morphology, is widely applicable to polymer materials, and has extremely good effect of retarding flame and inhibiting smoke; the zinc stannate is applicable to exploitation of aldehyde-removing flame-retardant materials; and also zinc stannate is applicable to lubricating oil additives and gas-sensitive materials.

The invention discloses a preparation method of porous nickel oxide / tin dioxide micro / nano spheres, which comprises the following steps: stirring tin tetrachloride pentahydrate, nickel sulfate hexahydrate, sodium hydroxide and ammonia water which are used as raw materials, heating, separating, washing, drying and the like to obtain micro / nano spherical hydroxy nickel stannate; and roasting a micro / nano spherical NiSn(OH)6 precursor at high temperature, and cooling to respectively obtain porous micro / nano spherical NiO / SnO2 powder. The micro / nano spherical NiO / SnO2 product prepared by the method disclosed by the invention is light green powder, and has the advantages of large specific area and good product quality. The impedance gas sensing element prepared from the micro / nano spherical NiO / SnO2 powder has high sensitivity, and the sensitivity S value for 100ppm methylbenzene and formaldehyde gases is respectively up to 19.8 and 27.6.

The invention provides a low self-discharge ferrous electrode material. The ferrous electrode material is characterized by consisting of an active substance and an additive, wherein the composition ofthe active substance is ferrum or ferrous compounds including one or more of Fe3O4, Fe(OH)2, Fe(OH)3, Fe2O3, reduced ferrous powder and carbonyl ferrous powder; and the additive comprises: 1) 0.02 to0.15 percent of indium or indium compounds including one or more of In, In2O3, In2(SO4)3, In(OH)3, InCl3 and the like; 2) 2 to 8 percent of stannum or stannum compounds including one or more of Sn, SnO, SnO2, SnCl2, SnCl4 and stannate; 3) 1 to 7 percent of bismuth or bismuth compounds including one or more Bi, Bi2O3, Bi(NO3)3 and the like; and 4) 5 to 10 percent of graphite powder. The ferrous electrode material has the advantages that: 1) no toxic heavy metals (such as Hg, Cd, Pb and the like) are added, so the electrode material is an environment-friendly electrode material 2) the cost foran electrode is quite low; and 3) the self-discharge rate of the electrode is less than 20 percent at a temperature of 20 DEG C after 28 days. The material is used for manufacturing environment-friendly ferrum-nickel storage batteries.

The invention discloses a preparation method of a yolk-eggshell structured nitrogen-doped carbon-coated Fe3O4@SnO2 magnetic nanometer box, and belongs to the technical field of production of a nanometer material. The preparation method comprises the following steps of firstly, wrapping the surface of a Fe2O3 nanometer cube with a layer of silicon dioxide; secondly, forming a yolk-eggshell structured Fe2O3@SnO2 nanometer box under the effect of potassium stannate trihydrate and urea; and finally, coating dopamine, introducing a carbon source and a nitrogen source, carrying out calcination in an inertia atmosphere to form a conductive carbon layer, and simultaneously converting Fe2O3 to Fe3O4. The instrument equipment adopted by the invention is simple, the preparation cost is low, the operation process is simple and convenient, the required material during the reaction process is low toxic and is not harmful, the stoichiometric ratio of a multi-constituent material can be effectively controlled, and the high-quality yolk-eggshell structured magnetic nanometer material which is uniform in size, uniform in distribution and favorable in morphology control and can be used for industrial production at a large scale is obtained.

A resist composition for permanent protective coating of a printed wiring board, which resist composition is excellent in flame resistance and is obtained by incorporating as essential components a flame retardant containing 100 to 140 parts by weight of (a) aluminum hydroxide, 0.1 to 15 parts by weight of (b) a molybdenum compound and 0.1 to 10 parts by weight of (c) a zinc stannate type compound into 100 parts by weight of a resin.

A hydrogen peroxide composition comprises hydrogen peroxide, a stabilizer system comprising a colloidal stannate, at least one acidifying agent or a salt thereof selected from the group consisting of sulfur-containing acidifying agents, nitric acid, and mixtures and salts thereof. Optionally, the hydrogen peroxide composition comprises an organic phosphonic acid or a salt thereof, such as amino-phosphonate, and / or a free radical scavenger, such as salicylic acid. A cleaning formulation comprises the hydrogen peroxide composition, a pH adjusting agent, and optionally other additives, such as surfactants. The cleaning formulation may be made by mixing the hydrogen peroxide or a precursor thereof, water, colloidal stannate, and at least one acidifying agent, and optionally, adjusting the pH to achieve an alkaline pH.

The invention discloses an intercalated layered double hydroxide smoke inhibitor and a preparation method thereof. The smoke inhibitor is a layered structural material formed by assembling a laminated sheet consisting of metal cations and interlayer anions, wherein a specific composition general formula of the smoke inhibitor is M<2+>1-xM<3+>x(OH)2(A<n->)n / 2.mH2O. According to the preparation method disclosed by the invention, the intercalated layered double hydroxide smoke inhibitor is prepared by adopting a one-step coprecipitation method or a clean hydrothermal reaction at one step; the preparation method is simple and practical; according to the obtained intercalated layered double hydroxide smoke inhibitor, smoke inhibiting groups such as molybdate anions, an octamolybdate radical, a cuprate radical and a stannate radical are arranged at an interlayer, and smoke inhibiting elements such as iron and copper are introduced into the laminated sheet, so that a good carbon forming effect is realized, the smoke generating amount can be reduced, and the smoke inhibiting effect is synergically enhanced; meanwhile, a layered double hydroxide laminated sheet forms an alkaline porous substance at high temperature; the alkaline porous substance has greater specific surface area and can effectively adsorb smog; the prepared intercalated layered double hydroxide smoke inhibitor is applied to an ordinary rubber-plastic product and a high-temperature rubber-plastic product; the maximum density (Ds, max) at low additive amount (1phr) can be reduced by 87.3 percent; the intercalated layered double hydroxide smoke inhibitor is remarkable in smoke inhibiting effect and is a smoke inhibitor material with excellent performance.

The invention relates to a heat-resistant flame-retardant polyvinyl chloride cable material and a manufacturing method thereof. According to a formula, the material comprises the following components: polyvinyl chloride resin, a flame-retardant filler, a dispersing agent, a plasticizer, lead sulfate tribasic, dibasic lead phosphate, lead stearate, isopropyl triphenyl phosphate, chlorinated paraffin, calcium carbonate, zinc stannate, water and zinc borate, an antioxidant and stearic acid. The material has the advantages that: a large amount of graphite serving as a flame-retardant and high-temperature-resistant filler is added; and the graphite and a proper amount of chlorinated paraffin and zinc stannate together assist in enhancing the flame retardant property of a cable. The filler has high compatibility with other materials and high dispersion and is matched with other stabilizers; and the product has high heat-resistant stability and flame retardant property. Meanwhile, the lubricating performance of the product is improved to a great extent; the PVC mixed material has high uniform plasticity and high-speed melt fluidity; and the product has a smooth surface, soft handfeel and superior performance.

The invention discloses a low-cost high-flame-retardant reinforced polyamide and a preparation method for the same. Components of the low-cost high-flame-retardant reinforced polyamide comprise, in weight percentage (%), 40-60% of nylon resin, 10-25% of main flame retardant, 1-15% of stannate composite flame retardant and superfine silicon-magnesium acid salt synergistic flame retardant, 10-40% of glass fibers, 0-4% of toughening solubilizer, 0.2-0.4% of antioxidant, 0.4-0.8% of lubricant and 0.2-0.4% of nucleating agent. The preparation method includes the steps: premixing according to the proportion of the formula, then extruding the mixture by a double-screw extruder according to designated process, granulating, cooling and drying so that the flame-retardant reinforced polyamide is prepared. The flame-retardant polyamide is high in strength, capable of achieving UL94V0 flame retardance, high in glow wire and particularly low in cost and high in transparency, and the surface of the polyamide is good to be easy in forming processing.

A process for synthesizing the superfine (2-5 nm) spinel-type Zn2SnO4 nanorods features that hydrothermal reaction between zinc chloride as Zn source, tin chloride as Sn source and hydrazine hydrate as mineralizing agent.

The invention relates to La-doped lead zirconate stannate titanate anti-ferroelectric ceramics with high energy storage efficiency and a preparation method thereof. The constitutional chemical formula of the anti-ferroelectric ceramics is (Pb1-1.5xLax)(ZrySn0.9-yTi0.1)O3, wherein x is greater than or equal to 0.02 and smaller than or equal to 0.04, and y is greater than or equal to 0.1 and smaller than or equal to 0.5. According to the preparation method, the anti-ferroelectric ceramics are prepared with a tradional preparation method of electronic ceramics, have the energy storage characteristics of small electric hysteresis and high energy storage efficiency, and have very important significance in developing a high-pressure impulse power capacitor with high energy storage density and high energy storage efficiency.

The invention belongs to the technical field of lithium ion battery materials and discloses a water washing and tin coating combined modified lithium ion battery high-nickel anode material and a preparation method thereof. The preparation method includes following steps: (1), adding a high-nickel anode material into water, quickly stirring and washing for 1-20min at a rotating speed of 500-2000r / min, filtering, and drying to obtain a water-washed high-nickel anode material; (2), mixing the water-washed high-nickel anode material with a tin source well, heating to 300-700 DEG C in an oxygen-containing atmosphere at a heating rate of 1-3 DEG C / min, sintering at constant temperature for 3-10h, discharging, and breaking to obtain the modified lithium ion battery high-nickel anode material. According to the method, the high-nickel anode material is quickly washed in the water, the tin source is utilized to absorb residual lithium, and a composite coating layer of lithium stannate and tin oxide is formed on the surface of the material, so that discharging capacity and first effect of a battery are improved, and circulating performance and safety performance are improved.

The invention relates to a polymer material comprising a halogen-free flame-proofing agent incorporated into the polymer matrix, the flame-proofing agent comprising at least ammonium polyphosphate(s) and / or derivatives thereof and an oligomer or polymer 1,3,5-triazine derivative or mixtures of a plurality thereof and at least one compound selected from phosphates, pyrophosphates, polyphosphates, organic and inorganic phosphonates, organic and inorganic phosphinates, stannates, molybdates or borates of the elements of the main groups II, III, IV or of the sub-group elements Fe, Zn, Ti, Mn, Zr, Mo, pre-condensed melamine derivatives, melamine salts and addition compounds, ethylene diamine phosphate, piperazine phosphate, piperazine polyphosphate, 1,3,5-trihydroxyethyl isocyanurate, 1,3,5-triglycidyl isocyanurate and triallyl isocyanurate. The weight ratio of constituents A to constituents B is 10:1 to 1:1, constituents A and B together amounting to between 60 and 99 wt. % and constituents C and D to between 1 and 40 wt. % of the total weight of constituents A, B, C and D. The polymer material is a thermoplastic elastomer (TPE).