30 results about "Antimony pentaoxide" patented technology

Modified zirconia fine particles which are stable in an acidic region as well as in an alkaline region, and which may be readily adjusted in refractive index in a predetermined range are disclosed. Also disclosed is a substrate with a hard coat film excellent in adhesiveness with the substrate, abrasion resistance, scratch strength, pencil hardness and the like without interference fringes and a coating solution which may form the hard coat film. The substrate with a hard coat film is composed of composite oxide particles formed on at least one surface of the substrate and a matrix component, wherein the composite oxide particles are composite oxide particles having a core-shell structure composed of a core formed from zirconium oxide and a shell formed from antimony pentoxide and / or silica.

Thermoplastic polyurethane (TPU) formulations are disclosed which comprise a halogenated flame retardant together with an antimony oxide and talc. The formulations exhibit a high LOI (at least 30) and are V-0 rated on the UL-94 test. The halogenated flame retardant can be a chlorinated or brominated compound. The antimony oxide compound is selected from the group consisting of antimony trioxide and antimony pentaoxide. When brominated flame retardants are used, talc is not required, but is preferred to meet the high LOI and V-0 rating. The TPU formulations are useful for wire and cable jacketing applications and for jacketing for fiber optic cables.

The invention discloses a nano-material in-situ modified halogen-free efficient flame-retardant cationic emulsion. The nano-material in-situ modified halogen-free efficient flame-retardant cationic emulsion is obtained through subjecting raw materials to cationic in-situ polymerization, wherein based on 100 parts by weight, the raw materials comprises 40-60 parts of water, 25-35 parts of acrylatemonomer, 3-15 parts of antimony pentoxide nano-hydrosol, 0.5-5 parts of hindered amine free radical capturing agent, 0.1-1.5 parts of azo diisobutyl amidine hydrochloride, 0.1-3 parts of emulsifier, 4-7 parts of cationic starch dispersion solution and 0-0.5 parts of silane coupling agent. The invention further discloses a preparation method for the halogen-free efficient flame-retardant cationic emulsion. According to the halogen-free efficient flame-retardant cationic emulsion disclosed by the invention, a flame-retardant system, prepared from antimony pentoxide nano-sol and the hindered amine free radical capturing agent through cooperation, is effectively distributed on the surfaces of or in the acrylic polymer emulsion particles in a nano scale; and the flame-retardant effect is very efficient, and the emulsion is halogen-free and environmentally friendly.

The invention discloses a lead accumulator for overcoming early capacity attenuation of lead-calcium alloy batteries and a preparation method thereof, belonging to the technical field of accumulators. The preparation method comprises: (1) dry mixing antimony trioxide or antimony pentoxide, fiber and lead powder, adding water for wet mixing, adding sulfuric acid solution to form a paste with a specific gravity of 3-3.8; (2) Immersing the lead-calcium alloy grid in the paste, wrapping the paste on its surface to form a transition layer; (3) coating the lead paste on the grid with the transition layer to obtain a green electrode plate; (4 ) curing under the condition of no more than 55° C. to obtain the positive plate; (5) assembling the battery, adding electrolyte, and internalizing to obtain the lead storage battery. In the present invention, a transition layer with high content of antimony is formed on the surface of the lead-calcium alloy grid in advance, and the antimony-containing corrosion layer is more difficult to discharge than the active material, so that the grid-active material interface cannot form a passivation layer, effectively overcoming the early stage of the battery. capacity decay.

The application belongs to the technical field of refining aids, and in particular relates to a method for preparing a catalytic cracking bimetal passivator, comprising the following steps: mixing water, organic acid, and antimony trioxide in a certain proportion, adding hydrogen peroxide dropwise to the mixed solution In, antimony pentoxide hydrosol was obtained. Add organic amine to antimony pentoxide hydrosol, and then add system stabilizer to the system to obtain antimony-based passivation agent; add lanthanum carbonate, organic acid, and water to antimony-based passivator to obtain stable bimetallic passivation agent agent. The passivating agent prepared according to the invention has stable properties, strong universality, long shelf life and safe production process. The reagents used in the invention are all industrial-grade products, the production cost is reduced, energy is saved, and the invention is suitable for industrial production.

The invention provides a preparation method of a low-viscosity antimony pentoxide hydrosol. The method comprises the following steps: (1) after water is heated, adding antimony trioxide for mixing, continuing heating and stirring, and adding hydrogen peroxide for reaction; and (2) concentrating, adding a stabilizer stepwise in the concentration process, immediately cooling after the concentrationis completed, and then adjusting the pH value to obtain the low-viscosity cerium pentoxide hydrosol. The method has the advantages that less stabilizer is used, and the prepared low-viscosity antimonypentoxide hydrosol is clearly milk white, yellowish and lustrous and has good fluidity, wherein the content of antimony pentoxide is 48-54%, the pH value is 6.1-6.8, the viscosity (25 DEG C) is lessthan 15mPa.s, the specific gravity (at room temperature) is 1.751-1.849, good stability is realized, and the direct yield of bismuth pentoxide from hydrosol to organosol is greater than or equal to 98.5%. The preparation method provided by the invention is simple, convenient to operate, low in cost, and environment-friendly.

The invention relates to a preparation method of an antimony pentoxide / polyacrylic acid / carbon cloth flexible sodium ion battery negative electrode material with a reticulate porous structure. The method comprises the following steps: 1, putting carbon cloth into acetone for soaking, cleaning and drying the carbon cloth, putting the dried carbon cloth into a polyacrylic acid aqueous solution for coating, and cleaning and drying the carbon cloth; 2, adding antimony trichloride into absolute ethanol to form an antimony trichloride solution, adding a sodium hydroxide aqueous solution into the antimony trichloride solution to adjust the pH value to obtain a mixed solution, and putting the coated carbon cloth into the mixed solution for soaking; and 3, transferring the carbon cloth and the mixed solution obtained in the step 2 into a reaction kettle for a hydrothermal reaction, cooling to the room temperature, and carrying out cleaning and drying to obtain the antimony pentoxide / polyacrylic acid / carbon cloth flexible sodium ion battery negative electrode material with the reticulate porous structure. The method is simple to operate and good in repeatability; a flexible electrode combines the characteristics of good mechanical property of the carbon cloth and high specific capacity of the antimony pentoxide; and the electrochemical cycling performance of the flexible electrode as the sodium ion battery negative electrode material is improved.

The invention relates to a radiation-resistant crosslinked ethylene-tetrafluoroethylene copolymer insulating material, which comprises the following components in parts by mass: 100 parts of ethylene-tetrafluoroethylene copolymer, 3-8 parts of crosslinking agent, N, N' ‑Bis[β‑(3,5‑di-tert-butyl‑4‑hydroxyphenyl)propionyl]hydrazine0.1~1 part, 1,3,5‑tris(3,5‑di-tertbutyl‑4‑hydroxy 0.3-3 parts of benzyl)isocyanuric acid, 1-3 parts of antimony pentoxide, 0.1-2 parts of N,N'-ethylene bisstearamide, 0.1-0.5 parts of pentaerythritol stearate, radiation-resistant group 2 to 10 parts, 0.1 to 3 parts of white oil. The invention can more stably and efficiently improve the radiation resistance performance of the crosslinked ethylene-tetrafluoroethylene copolymer insulating material.

The invention discloses compound antimonous oxide preparation and application thereof in high-fire-resistance EVA foaming material. Antimony oxide and carbon monoxide are utilized to be prepared into an antimonous oxide crude product under alkaline condition through assistance of carbon dioxide supercritical reaction, and the antimonous oxide crude product is mixed with aluminum hydroxide to be prepared into the compound antimonous oxide through an ultrasonic precipitation method. Fire resistance of the antimonous oxide is effectively enhanced under the premises of avoiding halogen flame retardant and reducing use of aluminum hydroxide flame retardant; the prepared foaming material not only has varieties of excellent performance of an ordinary foaming material, but also has excellent fire resistance when the antimonous oxide is applied to preparation of the EVA foaming material; an application range of the foaming material in varieties of inflammable building package materials is widened.

The invention discloses the preparation of a flexible antimony pentoxide / silicon dioxide / carbon cloth material and its application as a negative electrode of a sodium ion battery. After grinding silicon dioxide, it is added to deionized water and dissolved to obtain solution A; Antimony trichloride was added into the ethanol solution and dissolved to obtain antimony trichloride solution, adding sodium hydroxide aqueous solution to the antimony trichloride solution to adjust its pH to obtain solution B; adding solution A to solution B and stirring to obtain Solution C: place activated carbon in solution C for impregnation, transfer solution C and carbon cloth to a reaction kettle for hydrothermal reaction, cool to room temperature, take out carbon cloth, wash and dry to obtain antimony pentoxide / silicon dioxide / Carbon cloth flexible anode material for sodium-ion batteries. Its operation is simple, the cost is low and silicon material can be applied to the negative electrode material of sodium ion battery.