517 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.

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.

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.

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 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 composite Ag-tin oxide material used as contact is proportionally prepared from tin oxide, bismuth stannate, the oxides of one or two metals chosen from Ni, Ti, Mn, Co, Fe, Cu and Zn, and Ag through proportional smelting, atomizing to become powder, oxidizing, calcining, shaping, sintering and extruding to obtain contact.

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 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.